:root {
  --red: #a72b2a;
  --gray: #746965;
  --dark: #302c2b;
  --line: #ddd8d5;
  --soft: #f6f4f3;
  --green: #198754;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--gray);
  background: #fff;
}
header {
  min-height: 226px;
  height: auto;
  padding: 18px 28px 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  overflow: visible;
  border-bottom: 4px solid var(--red);
  background: linear-gradient(180deg, #fff 0%, #fbfaf9 100%);
}
header > img {
  width: 650px;
  height: 176px;
  max-width: calc(100% - 330px);
  object-fit: contain;
  object-position: left top;
  flex: 1 1 auto;
}
.language-switch {
  display:flex; justify-content:flex-end; gap:4px; margin:0 0 8px auto;
}
.language-switch button {
  border:1px solid var(--line); background:#fff; color:var(--gray);
  border-radius:14px; padding:4px 10px; font-size:11px; font-weight:800; cursor:pointer;
}
.language-switch button.active { background:var(--red); color:#fff; border-color:var(--red); }
.landscape-language-switch { display:none; }
.version {
  width: 300px;
  min-width: 300px;
  padding-top: 0;
  text-align: right;
  color: var(--gray);
  font-size: 13px;
  line-height: 1.4;
  overflow: visible;
}
.version .pantos-mini {
  display: block;
  width: 270px;
  height: 52px;
  max-width: 100%;
  object-fit: contain;
  object-position: right top;
  margin: 0 0 8px auto;
}
.version strong {
  display: block;
  color: var(--red);
  font-size: 19px;
}
.version-author {
  display: block;
  margin-top: 8px;
  color: var(--gray);
  font-size: 19px;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: .25px;
}
.version-contact {
  display: block;
  margin-top: 5px;
  color: var(--gray);
  font-size: 10px;
  line-height: 1.45;
  font-weight: 600;
  white-space: nowrap;
}
.version-copyright {
  display:block;
  margin-top:7px;
  color:var(--gray);
  font-size:10px;
  line-height:1.35;
  font-weight:800;
}
.landscape-brand-strip { display:none; }
.copyright-line { color:#fff; font-weight:800; }
.about-author { color:var(--gray); font-size:16px; font-weight:900; }
.about-copyright { color:var(--gray); font-weight:900; letter-spacing:.1px; }
.about-copyright-bottom { margin-top:16px; padding-top:12px; border-top:1px solid var(--line); }

main { padding: 22px 28px 132px; }
.section-title {
  margin: 3px 0 12px;
  font-size: 17px;
  font-weight: 750;
  color: var(--gray);
  letter-spacing: .3px;
}
.source-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(320px, 1fr));
  gap: 11px;
  margin-bottom: 22px;
}
.source-slot {
  background: var(--soft);
  padding: 12px;
}
.source-slot-note {
  margin-top: 7px;
  font-size: 11px;
  line-height: 1.35;
  color: var(--gray);
  min-height: 30px;
}
.container-grid {
  display: grid;
  gap: 11px;
}
.container-primary-grid {
  grid-template-columns: minmax(210px, 1.05fr) minmax(205px, 1fr) minmax(470px, 2.25fr);
  align-items: end;
  margin-bottom: 11px;
}
.container-secondary-grid {
  grid-template-columns: repeat(5, minmax(145px, 1fr));
  margin-bottom: 22px;
}
.unloading-grid {
  grid-template-columns: minmax(250px, 1fr) minmax(240px, 1fr) minmax(360px, 1.8fr);
  align-items: end;
  margin: -11px 0 22px;
}
.unloading-note {
  min-height: 36px;
  display: flex;
  align-items: center;
  padding: 8px 11px;
  border-radius: 7px;
  background: var(--soft);
  color: var(--gray);
  font-size: 11px;
  line-height: 1.35;
}
.field.is-disabled { opacity: .52; }
.container-size-group {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--soft);
  padding: 9px 10px 10px;
}
.container-size-title {
  font-size: 11px;
  color: var(--gray);
  font-weight: 700;
  margin: 0 0 6px;
}
.container-size-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.axis-field {
  position: relative;
}
.axis-field label {
  margin-bottom: 4px;
}
.axis-field input {
  padding-left: 32px;
  font-weight: 600;
}
.axis-badge {
  position: absolute;
  left: 9px;
  bottom: 10px;
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
  pointer-events: none;
}
.field label {
  display: block;
  font-size: 11px;
  color: var(--gray);
  font-weight: 700;
  margin: 0 0 5px;
}
input, select {
  width: 100%;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  padding: 0 10px;
  color: var(--gray);
  font-size: 13px;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 2px rgba(167,43,42,.10);
}
.layers {
  display: grid;
  grid-template-columns: repeat(2, minmax(320px, 1fr));
  gap: 14px;
}
.layer {
  border: 1px solid var(--line);
  border-radius: 11px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 8px rgba(50,40,36,.05);
}
.layer-head {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--soft);
  border-bottom: 1px solid var(--line);
  padding: 10px 13px;
  font-weight: 800;
  color: var(--gray);
}
.layer-head .bars { color: var(--red); letter-spacing: -1px; font-weight: 900; }
.layer-body {
  padding: 12px;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 9px 11px;
}
.layer-body .wide { grid-column: 1 / -1; }
.appearance-row {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 11px;
}
.color-control {
  display: flex;
  align-items: center;
  gap: 8px;
}
.color-control input[type="color"] {
  width: 52px;
  min-width: 52px;
  padding: 3px;
  cursor: pointer;
}
.color-code {
  flex: 1;
  font-family: Consolas, monospace;
  font-size: 12px;
  color: var(--gray);
}
.mini-note {
  grid-column: 1 / -1;
  min-height: 29px;
  padding: 7px 9px;
  border-radius: 6px;
  background: #f8f6f5;
  color: var(--gray);
  font-size: 11px;
  line-height: 1.35;
}
.advanced {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  padding-top: 7px;
  border-top: 1px dashed var(--line);
}
footer {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  min-height: 116px;
  padding: 14px 28px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,.98);
}
.signature {
  font-size: 11px;
  color: var(--gray);
  line-height: 1.5;
  padding-bottom: 1px;
}
.signature strong { color: #5f5652; }
.actions { display: flex; gap: 9px; }
button {
  height: 40px;
  border: 0;
  border-radius: 7px;
  padding: 0 18px;
  font-weight: 750;
  cursor: pointer;
}
.secondary { color: var(--gray); background: #eeeae8; }
.primary { color: #fff; background: var(--red); min-width: 170px; }
.primary:hover { filter: brightness(.94); }
.disabled { opacity: 1; }
.disabled .layer-body { opacity: .48; }
.disabled .layer-head { color: var(--gray); }
.disabled .layer-head .bars { color: var(--red); opacity: .62; }
@media (max-width: 900px) {
  header {
    min-height: 248px;
    padding: 16px 18px 18px;
    gap: 16px;
  }
  header > img {
    max-width: calc(100% - 292px);
    height: 160px;
  }
  .language-switch {
  display:flex; justify-content:flex-end; gap:4px; margin:0 0 8px auto;
}
.language-switch button {
  border:1px solid var(--line); background:#fff; color:var(--gray);
  border-radius:14px; padding:4px 10px; font-size:11px; font-weight:800; cursor:pointer;
}
.language-switch button.active { background:var(--red); color:#fff; border-color:var(--red); }
.version {
    width: 276px;
    min-width: 276px;
  }
  .version .pantos-mini {
    width: 250px;
  }
  .version-contact {
    font-size: 9px;
  }
  .container-primary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .container-size-group {
    grid-column: 1 / -1;
  }
  .container-secondary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .unloading-grid {
    grid-template-columns: 1fr;
    margin-top: -11px;
  }
  .source-grid { grid-template-columns: 1fr; }
  .layers { grid-template-columns: 1fr; }
}


html,body{min-height:100%;background:#f3f2f1}
body{padding-bottom:92px}
.app-tabs{position:sticky;top:0;z-index:50;display:flex;gap:4px;padding:8px 12px;background:#151515;overflow-x:auto;box-shadow:0 2px 10px rgba(0,0,0,.25)}
.app-tabs button{flex:0 0 auto;border:1px solid #555;background:#272727;color:#ddd;border-radius:5px;padding:10px 14px;min-height:44px;font-weight:700}
.app-tabs button.active{background:var(--red);border-color:var(--red);color:#fff}
.screen{display:none}.screen.active{display:block}
#screen-config main,#screen-results main,#screen-history main,#screen-about main{max-width:1440px;margin:0 auto;background:#fff;min-height:60vh}
.android-note{margin:0 28px 16px;padding:11px 14px;border-left:5px solid var(--red);background:#f7efef;color:#4b4442;font-size:12px;line-height:1.55}
.source-slot-actions{display:grid;grid-template-columns:1fr;gap:8px;margin-top:8px}
.custom-fields{display:none;grid-template-columns:2fr repeat(3,1fr);gap:7px;margin-top:8px}.custom-fields.active{display:grid}
.custom-fields input{width:100%;min-height:42px;border:1px solid var(--line);border-radius:4px;padding:8px}
.source-card{background:#fff;border:1px solid var(--line);border-radius:7px;padding:13px;box-shadow:0 2px 7px rgba(0,0,0,.05)}
.source-card h3{margin:0 0 8px;color:var(--dark);font-size:14px}
.layer .advanced{grid-template-columns:repeat(2,minmax(0,1fr))}
.mobile-actions{position:fixed;z-index:40;bottom:0;left:0;right:0;display:flex;justify-content:flex-end;gap:8px;padding:10px max(12px,env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));background:rgba(255,255,255,.97);border-top:1px solid #ccc;box-shadow:0 -3px 15px rgba(0,0,0,.12)}
.mobile-actions button{min-height:48px;border-radius:5px;border:1px solid var(--red);padding:0 16px;font-weight:800}.mobile-actions .primary{background:var(--red);color:#fff}.mobile-actions .secondary{background:#fff;color:var(--red)}
.viewer-wrap{height:calc(100vh - 165px);min-height:430px;position:relative;background:#e7e5e4}
#viewer-canvas{display:block;width:100%;height:100%;touch-action:none}
.viewer-toolbar{position:absolute;z-index:5;right:12px;top:12px;display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px;max-width:420px}
.viewer-toolbar button,.viewer-toolbar select{min-height:42px;border:1px solid #bbb;background:rgba(255,255,255,.94);border-radius:5px;padding:7px 11px;font-weight:700;color:#333}
.viewer-info{position:absolute;left:12px;bottom:12px;max-width:min(520px,calc(100% - 24px));background:rgba(255,255,255,.93);padding:10px 12px;border-radius:5px;border-left:5px solid var(--red);font-size:12px;line-height:1.45}
.result-head{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;padding:22px 28px 8px}.metric{border:1px solid var(--line);background:#fff;border-radius:7px;padding:13px;box-shadow:0 2px 6px rgba(0,0,0,.04)}.metric span{display:block;font-size:10px;color:#777}.metric strong{display:block;margin-top:5px;font-size:20px;color:var(--dark)}
.result-section{margin:18px 28px;border:1px solid var(--line);border-radius:7px;overflow:hidden;background:#fff}.result-section h2{margin:0;background:#302c2b;color:#fff;font-size:13px;padding:11px 14px}.result-section .body{padding:13px;overflow:auto}
table{border-collapse:collapse;width:100%;font-size:11px}th,td{border:1px solid #dedbd9;padding:7px 8px;text-align:left;white-space:nowrap}th{background:#f0eeed;color:#383332}.status-good{color:#137d3c;font-weight:800}.status-warning{color:#aa6500;font-weight:800}.status-collision{color:#b00020;font-weight:900}
.export-bar{display:flex;gap:8px;flex-wrap:wrap;padding:12px 28px}.export-bar button{min-height:44px;border:1px solid var(--red);border-radius:5px;background:#fff;color:var(--red);padding:0 14px;font-weight:800}.export-bar button:first-child{background:var(--red);color:#fff}
.alert-box{padding:10px 12px;margin:6px 0;border-left:5px solid #b00020;background:#fff1f1;color:#6f1010;font-size:12px;white-space:pre-wrap}.warning-box{border-left-color:#d08400;background:#fff8e8;color:#704500}
.history-toolbar{display:flex;gap:8px;flex-wrap:wrap;padding:18px 28px 8px}.history-toolbar input,.history-toolbar select{min-height:44px;border:1px solid var(--line);border-radius:5px;padding:8px 10px;flex:1 1 220px}.history-row{cursor:pointer}.history-row:hover{background:#fff5f5}
.about-card{margin:24px 28px;padding:24px;border:1px solid var(--line);border-radius:8px;background:#fff}.about-card img.logo{max-width:min(620px,100%);display:block}.about-card img.pantos{max-width:300px;margin:20px 0}.about-card h1{color:var(--dark)}.about-card p,.about-card li{line-height:1.7}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.about-panel{background:#f7f5f4;padding:15px;border-radius:6px}
.empty-result{padding:80px 28px;text-align:center;color:#777}.busy-overlay{display:none;position:fixed;z-index:99;inset:0;background:rgba(0,0,0,.72);align-items:center;justify-content:center;color:#fff;font-weight:800}.busy-overlay.active{display:flex}.spinner{width:34px;height:34px;border:4px solid #aaa;border-top-color:#fff;border-radius:50%;animation:spin .9s linear infinite;margin-right:13px}@keyframes spin{to{transform:rotate(360deg)}}
.footer-signature{padding:18px 28px 22px;background:#222;color:#ddd;font-size:11px;line-height:1.55}.footer-signature strong{color:#fff}
@media(max-width:900px){header{min-height:180px;padding:14px 16px}header>img{max-width:52%}.version{min-width:220px}.version .pantos-mini{width:190px}.result-head{grid-template-columns:repeat(2,minmax(0,1fr));padding:16px}.result-section{margin:14px 16px}.export-bar{padding:10px 16px}.about-grid{grid-template-columns:1fr}.android-note{margin:0 16px 14px}.custom-fields{grid-template-columns:1fr 1fr}.custom-fields input:first-child{grid-column:1/-1}}
@media(max-width:560px){header{display:block;min-height:0}header>img{max-width:70%;margin-bottom:12px}.version{text-align:left;min-width:0}.version .pantos-mini{margin-left:0;width:190px}.container-primary-grid,.container-secondary-grid{grid-template-columns:1fr}.container-size-fields{grid-template-columns:1fr}.result-head{grid-template-columns:1fr 1fr}.metric strong{font-size:17px}.mobile-actions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));justify-content:stretch}.mobile-actions button{width:100%;min-width:0;padding:0 5px;font-size:10.5px}.viewer-wrap{height:calc(100vh - 145px)}.app-tabs button{padding:9px 11px}.source-grid,.layers{padding-left:16px;padding-right:16px}.section-title{margin-left:16px;margin-right:16px}.about-card{margin:16px;padding:17px}}
@media(orientation:landscape) and (max-height:600px){
  header{
    display:block;
    min-height:48px;
    padding:4px 10px;
    border-bottom:2px solid var(--red);
    background:#fff;
  }
  header>img,.version{display:none}
  .landscape-brand-strip{
    display:flex;
    align-items:center;
    gap:10px;
    width:100%;
    height:38px;
    overflow:hidden;
  }
  .landscape-tetris-icon{
    width:34px;
    height:34px;
    object-fit:contain;
    flex:0 0 34px;
  }
  .landscape-pantos-logo{
    width:112px;
    height:30px;
    object-fit:contain;
    object-position:left center;
    flex:0 0 112px;
  }
  .landscape-language-switch{
    display:flex;
    flex:0 0 auto;
    align-items:center;
    justify-content:center;
    gap:5px;
    margin:0 8px 0 auto;
  }
  .landscape-language-switch button{
    min-width:44px;
    height:32px;
    padding:0 9px;
    border-radius:7px;
    font-size:12px;
    line-height:30px;
  }
  .landscape-brand-copy{
    min-width:0;
    margin-left:0;
    text-align:right;
    color:var(--gray);
    line-height:1.12;
  }
  .landscape-brand-copy strong{
    display:block;
    font-size:12px;
    font-weight:900;
    white-space:nowrap;
  }
  .landscape-brand-copy span{
    display:block;
    margin-top:2px;
    font-size:8px;
    font-weight:800;
    white-space:nowrap;
  }
  .viewer-wrap{height:calc(100vh - 109px)}
  .app-tabs{padding:5px 9px}
  .app-tabs button{min-height:38px}
  .mobile-actions{padding-top:6px;padding-bottom:6px}
  .mobile-actions button{min-height:42px}
}
@media(orientation:landscape) and (max-height:600px) and (max-width:860px){
  .landscape-brand-strip{gap:6px}
  .landscape-pantos-logo{width:92px;flex-basis:92px}
  .landscape-language-switch{gap:3px;margin-left:auto;margin-right:5px}
  .landscape-language-switch button{min-width:38px;height:30px;padding:0 6px;font-size:11px}
  .landscape-brand-copy strong{font-size:10px}
  .landscape-brand-copy span{font-size:7px}
}



/* Android v0.1.1 — language controls fixed at the upper-right edge */
header { position: relative; }
.portrait-language-switch {
  position: absolute;
  top: max(10px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  z-index: 60;
  margin: 0;
  width: auto;
}
@media (max-width: 560px) {
  header { padding-top: 52px; }
  .portrait-language-switch {
    top: max(10px, env(safe-area-inset-top));
    right: max(12px, env(safe-area-inset-right));
  }
}
@media (orientation:landscape) and (max-height:600px) {
  .landscape-brand-copy {
    order: 3;
    flex: 1 1 auto;
  }
  .landscape-language-switch {
    order: 4;
    margin-left: 8px;
    margin-right: 0;
  }
}


/* Android v0.1.1 — tablet-safe header: reserve a dedicated top-right language band */
.version {
  padding-top: 46px;
}
.portrait-language-switch {
  top: max(10px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  max-width: calc(100% - 24px);
  white-space: nowrap;
}
@media (max-width: 900px) and (min-width: 561px) {
  header {
    min-height: 224px;
  }
  .version {
    padding-top: 46px;
  }
}
@media (max-width: 560px) {
  header {
    padding-top: 52px;
  }
  .version {
    padding-top: 0;
  }
}

/* Android v0.3.4 — 1–20 layer configuration, unit conversion and persistent custom model library */
.unit-toolbar{margin:0 28px 16px;padding:12px 14px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--red);border-radius:7px;display:flex;align-items:center;justify-content:space-between;gap:14px;box-shadow:0 2px 7px rgba(0,0,0,.05)}
.unit-copy{display:flex;flex-direction:column;gap:3px}.unit-copy strong{font-size:13px;color:var(--dark)}.unit-copy span{font-size:11px;color:#666;line-height:1.35}
.unit-switch{display:grid;grid-template-columns:1fr 1fr;min-width:150px;border:1px solid var(--dark);border-radius:6px;overflow:hidden}.unit-switch button{border:0;border-radius:0;background:#fff;color:var(--dark);font-weight:800;min-height:40px;padding:0 15px}.unit-switch button+button{border-left:1px solid var(--dark)}.unit-switch button.active{background:var(--dark);color:#fff}
.custom-model-panel{margin:0 28px 18px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.06);overflow:hidden}
.custom-model-form{display:grid;grid-template-columns:minmax(180px,2fr) repeat(3,minmax(90px,1fr)) auto auto;gap:10px;align-items:end;padding:14px;background:#f8f8f8;border-bottom:1px solid var(--line)}
.custom-model-form .field{margin:0}.custom-model-form input{min-height:42px}.custom-model-form button{min-height:42px;padding:0 14px;border-radius:5px;font-weight:800;white-space:nowrap}.custom-save{background:var(--red);color:#fff;border:1px solid var(--red)}.custom-clear{background:#fff;color:var(--dark);border:1px solid var(--dark)}
.custom-model-volume{padding:10px 14px;font-size:12px;color:#555;border-bottom:1px solid var(--line);background:#fff}.custom-model-volume strong{color:var(--dark)}
.custom-model-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:12px}.custom-model-empty{grid-column:1/-1;padding:18px;text-align:center;color:#777;border:1px dashed var(--line);border-radius:6px}
.custom-model-item{border:1px solid var(--line);border-radius:7px;padding:12px;display:grid;grid-template-columns:1fr auto;gap:9px;background:#fff}.custom-model-item h4{margin:0 0 4px;font-size:14px;color:var(--dark);word-break:break-word}.custom-model-meta{font-size:12px;line-height:1.5;color:#555}.custom-model-actions{display:grid;grid-template-columns:repeat(2,auto);gap:6px;align-content:start}.custom-model-actions button{min-height:34px;padding:0 9px;border-radius:4px;border:1px solid var(--line);background:#fff;font-size:11px;font-weight:700}.custom-model-actions .use-model{background:var(--dark);color:#fff;border-color:var(--dark)}.custom-model-actions .delete-model{color:var(--red);border-color:var(--red)}
.quick-custom-save{grid-column:1/-1;min-height:36px;border:1px solid var(--dark);background:#fff;color:var(--dark);border-radius:4px;font-weight:800}.source-type-badge{display:inline-block;margin-top:3px;font-size:10px;font-weight:800;color:var(--red)}
.dimension-unit-mark{font-weight:800;color:var(--red);text-transform:none}
@media(max-width:1050px){.custom-model-form{grid-template-columns:2fr repeat(3,1fr)}.custom-model-form button{grid-column:span 2}.custom-model-list{grid-template-columns:1fr}}
@media(max-width:700px){.unit-toolbar{margin-left:16px;margin-right:16px;align-items:stretch;flex-direction:column}.unit-switch{width:100%}.custom-model-panel{margin-left:16px;margin-right:16px}.custom-model-form{grid-template-columns:1fr 1fr}.custom-model-name{grid-column:1/-1}.custom-model-form button{grid-column:span 1}.custom-model-item{grid-template-columns:1fr}.custom-model-actions{grid-template-columns:repeat(2,1fr)}.custom-model-actions button{width:100%}}

/* Android v0.3.4 — configurable 1–20 layer workflow */
.layer-count-toolbar{margin:0 28px 14px;padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:18px;border:1px solid var(--line);border-left:5px solid var(--red);border-radius:8px;background:#faf8f7}
.layer-count-copy{display:flex;flex-direction:column;gap:4px;min-width:0;color:var(--gray)}
.layer-count-copy strong{font-size:12px;color:var(--dark)}
.layer-count-copy span{font-size:11px;line-height:1.45;color:#6b625f}
.layer-count-field{flex:0 0 180px;margin:0}
.layer.hidden-by-count{display:none!important}
@media(max-width:560px){.layer-count-toolbar{margin-left:16px;margin-right:16px;align-items:stretch;flex-direction:column;gap:10px}.layer-count-field{flex:1 1 auto;width:100%}}

/* v0.3.4 configurable cargo source count */
.source-count-toolbar{margin:0 28px 14px;padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:18px;border:1px solid var(--line);border-left:5px solid var(--red);border-radius:8px;background:#faf8f7}
.source-count-copy{display:flex;flex-direction:column;gap:3px}.source-count-copy strong{font-size:12px;color:var(--dark)}.source-count-copy span{font-size:11px;color:var(--gray);line-height:1.35}.source-count-field{flex:0 0 170px}.source-count-field label{white-space:nowrap}.custom-model-actions .use-source-select{grid-column:1/-1;height:34px;font-size:11px}.custom-model-actions .use-model{grid-column:1/-1}
@media(max-width:560px){.source-count-toolbar{margin-left:16px;margin-right:16px;align-items:stretch;flex-direction:column;gap:10px}.source-count-field{flex:1 1 auto;width:100%}}


/* Android v0.3.4 — screen-aware branding and workspace compaction */
.version-author{
  display:block;
  margin-top:8px;
  color:var(--gray);
  font-weight:900;
  line-height:1.12;
  letter-spacing:.2px;
}
.version-author-name{
  display:block;
  font-size:18px;
  white-space:nowrap;
}
.version-author-role{
  display:block;
  margin-top:1px;
  font-size:19px;
  white-space:nowrap;
}

/* Large brand header remains exclusive to Configuration and About. */
body.screen-config .landscape-brand-strip,
body.screen-about .landscape-brand-strip{display:none!important}
body.screen-config header>img,
body.screen-about header>img{display:block!important}
body.screen-config header .version,
body.screen-about header .version{display:block!important}

/* Compact operational header: 3D View, Results and Historical Data. */
body.screen-viewer,
body.screen-results,
body.screen-history{padding-bottom:0}
body.screen-viewer header,
body.screen-results header,
body.screen-history header{
  display:block!important;
  min-height:50px!important;
  height:50px!important;
  padding:5px 12px!important;
  border-bottom:2px solid var(--red)!important;
  overflow:hidden!important;
  background:#fff!important;
}
body.screen-viewer header>img,
body.screen-results header>img,
body.screen-history header>img,
body.screen-viewer header .version,
body.screen-results header .version,
body.screen-history header .version{display:none!important}
body.screen-viewer .landscape-brand-strip,
body.screen-results .landscape-brand-strip,
body.screen-history .landscape-brand-strip{
  display:flex!important;
  width:100%;
  height:38px;
  min-height:38px;
  align-items:center;
  gap:9px;
  overflow:hidden;
}
body.screen-viewer .landscape-tetris-icon,
body.screen-results .landscape-tetris-icon,
body.screen-history .landscape-tetris-icon{
  width:34px;
  height:34px;
  flex:0 0 34px;
  object-fit:contain;
}
body.screen-viewer .landscape-pantos-logo,
body.screen-results .landscape-pantos-logo,
body.screen-history .landscape-pantos-logo{
  width:112px;
  height:30px;
  flex:0 0 112px;
  object-fit:contain;
  object-position:left center;
}
.compact-version{
  flex:0 0 auto;
  color:var(--red);
  font-size:12px;
  line-height:1;
  white-space:nowrap;
}
body.screen-viewer .landscape-brand-copy,
body.screen-results .landscape-brand-copy,
body.screen-history .landscape-brand-copy{
  display:block;
  flex:1 1 auto;
  min-width:0;
  margin:0;
  text-align:right;
  color:var(--gray);
  line-height:1.08;
}
body.screen-viewer .landscape-brand-copy strong,
body.screen-results .landscape-brand-copy strong,
body.screen-history .landscape-brand-copy strong{
  display:block;
  font-size:11px;
  font-weight:900;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
body.screen-viewer .landscape-brand-copy span,
body.screen-results .landscape-brand-copy span,
body.screen-history .landscape-brand-copy span{
  display:block;
  margin-top:2px;
  font-size:8px;
  font-weight:800;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
body.screen-viewer .landscape-language-switch,
body.screen-results .landscape-language-switch,
body.screen-history .landscape-language-switch{
  display:flex!important;
  flex:0 0 auto;
  align-items:center;
  justify-content:center;
  gap:4px;
  margin:0!important;
}
body.screen-viewer .landscape-language-switch button,
body.screen-results .landscape-language-switch button,
body.screen-history .landscape-language-switch button{
  min-width:42px;
  height:32px;
  padding:0 8px;
  border-radius:7px;
  font-size:11px;
  line-height:30px;
}
body.screen-viewer .portrait-language-switch,
body.screen-results .portrait-language-switch,
body.screen-history .portrait-language-switch{display:none!important}

/* Give the released header height back to the 3D workspace. */
body.screen-viewer .viewer-wrap{
  height:calc(100vh - 110px)!important;
  height:calc(100dvh - 110px)!important;
  min-height:360px;
}
body.screen-viewer .viewer-toolbar{top:8px;right:8px;gap:5px}
body.screen-viewer .viewer-toolbar button,
body.screen-viewer .viewer-toolbar select{min-height:38px;padding:5px 9px}
body.screen-viewer .viewer-info{left:8px;bottom:8px;padding:8px 10px}

/* About already has the full header; remove the duplicate internal brand billboard. */
.about-card-content-only{margin-top:18px;padding-top:18px}

@media(max-width:700px){
  body.screen-viewer .landscape-brand-strip,
  body.screen-results .landscape-brand-strip,
  body.screen-history .landscape-brand-strip{gap:6px}
  body.screen-viewer .landscape-pantos-logo,
  body.screen-results .landscape-pantos-logo,
  body.screen-history .landscape-pantos-logo{width:88px;flex-basis:88px}
  .compact-version{font-size:10px}
  body.screen-viewer .landscape-brand-copy strong,
  body.screen-results .landscape-brand-copy strong,
  body.screen-history .landscape-brand-copy strong{font-size:9px}
  body.screen-viewer .landscape-brand-copy span,
  body.screen-results .landscape-brand-copy span,
  body.screen-history .landscape-brand-copy span{font-size:7px}
  body.screen-viewer .landscape-language-switch button,
  body.screen-results .landscape-language-switch button,
  body.screen-history .landscape-language-switch button{min-width:37px;padding:0 5px}
}
@media(max-width:430px){
  body.screen-viewer .landscape-brand-copy span,
  body.screen-results .landscape-brand-copy span,
  body.screen-history .landscape-brand-copy span{display:none}
  body.screen-viewer .landscape-pantos-logo,
  body.screen-results .landscape-pantos-logo,
  body.screen-history .landscape-pantos-logo{width:78px;flex-basis:78px}
  .compact-version{font-size:9px}
}

/* Legacy landscape rule must not compact Configuration or About. */
@media(orientation:landscape) and (max-height:600px){
  body.screen-config header,
  body.screen-about header{
    display:flex!important;
    min-height:180px!important;
    height:auto!important;
    padding:14px 16px 16px!important;
    gap:16px!important;
    overflow:visible!important;
    border-bottom:4px solid var(--red)!important;
    background:linear-gradient(180deg,#fff 0%,#fbfaf9 100%)!important;
  }
  body.screen-config header>img,
  body.screen-about header>img{
    display:block!important;
    max-width:calc(100% - 292px)!important;
    height:150px!important;
  }
  body.screen-config header .version,
  body.screen-about header .version{
    display:block!important;
    width:276px!important;
    min-width:276px!important;
    padding-top:46px!important;
  }
  body.screen-config .landscape-brand-strip,
  body.screen-about .landscape-brand-strip{display:none!important}
}


/* Android v0.3.4 — phone header corrections */
/* Portrait phone: keep the full Configuration/About identity header, but remove
   the artificial top band and fixed logo height. The language controls share
   the same visual row as the TETRIS logo. */
@media (orientation:portrait) and (max-width:700px){
  body.screen-config header,
  body.screen-about header{
    display:block!important;
    min-height:0!important;
    height:auto!important;
    padding:14px 16px 16px!important;
    gap:0!important;
    overflow:visible!important;
    border-bottom:4px solid var(--red)!important;
    background:linear-gradient(180deg,#fff 0%,#fbfaf9 100%)!important;
  }
  body.screen-config header>img,
  body.screen-about header>img{
    display:block!important;
    width:calc(100% - 122px)!important;
    max-width:calc(100% - 122px)!important;
    height:auto!important;
    max-height:none!important;
    margin:0 0 8px!important;
    object-fit:contain!important;
    object-position:left top!important;
  }
  body.screen-config header .version,
  body.screen-about header .version{
    display:block!important;
    width:100%!important;
    min-width:0!important;
    margin:0!important;
    padding:0!important;
    text-align:left!important;
  }
  body.screen-config .portrait-language-switch,
  body.screen-about .portrait-language-switch{
    display:flex!important;
    position:absolute!important;
    top:max(14px,env(safe-area-inset-top))!important;
    right:max(16px,env(safe-area-inset-right))!important;
    margin:0!important;
    gap:6px!important;
    white-space:nowrap!important;
  }
  body.screen-config .portrait-language-switch button,
  body.screen-about .portrait-language-switch button{
    min-width:52px!important;
    height:44px!important;
    padding:0 10px!important;
    border-radius:14px!important;
    font-size:13px!important;
  }
  body.screen-config .version .pantos-mini,
  body.screen-about .version .pantos-mini{
    width:190px!important;
    height:auto!important;
    margin:2px 0 8px!important;
    object-position:left center!important;
  }
}

/* Landscape phone: Configuration uses the same compact operational strip as
   3D View, Results and Historical Data. About keeps the full identity header. */
@media (orientation:landscape) and (max-height:600px) and (max-width:900px){
  body.screen-config{padding-bottom:0}
  body.screen-config header{
    display:block!important;
    min-height:50px!important;
    height:50px!important;
    padding:5px 10px!important;
    gap:0!important;
    overflow:hidden!important;
    border-bottom:2px solid var(--red)!important;
    background:#fff!important;
  }
  body.screen-config header>img,
  body.screen-config header .version{display:none!important}
  body.screen-config .landscape-brand-strip{
    display:flex!important;
    width:100%!important;
    height:38px!important;
    min-height:38px!important;
    align-items:center!important;
    gap:6px!important;
    overflow:hidden!important;
  }
  body.screen-config .landscape-tetris-icon{
    width:34px!important;
    height:34px!important;
    flex:0 0 34px!important;
    object-fit:contain!important;
  }
  body.screen-config .landscape-pantos-logo{
    width:92px!important;
    height:30px!important;
    flex:0 0 92px!important;
    object-fit:contain!important;
    object-position:left center!important;
  }
  body.screen-config .compact-version{
    flex:0 0 auto!important;
    font-size:10px!important;
    line-height:1!important;
    white-space:nowrap!important;
  }
  body.screen-config .landscape-brand-copy{
    display:block!important;
    order:3!important;
    flex:1 1 auto!important;
    min-width:0!important;
    margin:0!important;
    text-align:right!important;
    line-height:1.08!important;
  }
  body.screen-config .landscape-brand-copy strong{
    display:block!important;
    font-size:10px!important;
    white-space:nowrap!important;
    overflow:hidden!important;
    text-overflow:ellipsis!important;
  }
  body.screen-config .landscape-brand-copy span{
    display:block!important;
    margin-top:2px!important;
    font-size:7px!important;
    white-space:nowrap!important;
    overflow:hidden!important;
    text-overflow:ellipsis!important;
  }
  body.screen-config .landscape-language-switch{
    display:flex!important;
    order:4!important;
    flex:0 0 auto!important;
    align-items:center!important;
    gap:3px!important;
    margin:0!important;
  }
  body.screen-config .landscape-language-switch button{
    min-width:38px!important;
    height:30px!important;
    padding:0 6px!important;
    border-radius:7px!important;
    font-size:11px!important;
    line-height:28px!important;
  }
  body.screen-config .portrait-language-switch{display:none!important}
}


/* Android v0.4.1 — one-time portrait Configuration guidance, 2-second auto-dismiss */
.orientation-hint{
  position:fixed;
  left:50%;
  bottom:max(82px,calc(env(safe-area-inset-bottom) + 72px));
  z-index:10020;
  width:min(520px,calc(100% - 28px));
  transform:translate(-50%,18px);
  padding:11px 16px 12px;
  border:1px solid rgba(167,43,42,.32);
  border-radius:14px;
  background:rgba(48,44,43,.94);
  color:#fff;
  box-shadow:0 8px 22px rgba(0,0,0,.2);
  text-align:center;
  line-height:1.3;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .22s ease,transform .22s ease,visibility 0s linear .22s;
}
.orientation-hint strong,
.orientation-hint span{display:block}
.orientation-hint strong{font-size:13px;font-weight:700}
.orientation-hint span{margin-top:3px;font-size:12px;color:#f1e9e7}
.orientation-hint.show{
  opacity:1;
  visibility:visible;
  transform:translate(-50%,0);
  transition:opacity .22s ease,transform .22s ease;
}
@media (orientation:landscape){.orientation-hint{display:none!important}}
@media (max-width:430px){
  .orientation-hint{width:calc(100% - 22px);padding:10px 12px 11px}
  .orientation-hint strong{font-size:12px}
  .orientation-hint span{font-size:11px}
}

/* Android v0.3.5 — portrait-phone form row alignment */
@media (orientation:portrait) and (max-width:560px){
  /* Android WebView may enlarge labels independently. Reserve the same label
     line box within every two-column pair so controls always begin together. */
  body.screen-config .layer-body > .field:not(.wide),
  body.screen-config .appearance-row > .field,
  body.screen-config .advanced > .field{
    display:flex;
    flex-direction:column;
    min-width:0;
    align-self:stretch;
  }
  body.screen-config .layer-body > .field:not(.wide) > label,
  body.screen-config .appearance-row > .field > label{
    display:flex;
    align-items:flex-end;
    min-height:2.4em;
    line-height:1.2;
  }
  body.screen-config .advanced{
    align-items:stretch;
    grid-auto-rows:auto;
  }
  body.screen-config .advanced > .field > label{
    display:flex;
    align-items:flex-end;
    min-height:3.75em;
    margin-bottom:6px;
    line-height:1.2;
    overflow-wrap:anywhere;
  }
  body.screen-config .layer-body > .field:not(.wide) > select,
  body.screen-config .appearance-row > .field > select,
  body.screen-config .appearance-row > .field > .color-control,
  body.screen-config .advanced > .field > select{
    margin-top:auto;
  }
  body.screen-config .layer-body select,
  body.screen-config .advanced select{
    min-height:44px;
    height:44px;
  }
  body.screen-config .appearance-row .color-control{
    min-height:44px;
  }
  body.screen-config .appearance-row .color-control input[type="color"]{
    height:44px;
  }
  /* Keep all mobile form controls on a common left/right edge. */
  body.screen-config .layer-body,
  body.screen-config .appearance-row,
  body.screen-config .advanced{
    width:100%;
  }
  body.screen-config .field,
  body.screen-config input,
  body.screen-config select{
    min-width:0;
  }
}


/* v0.4.1 — 267 historical preset selector */
.historical-preset-panel{margin:0 22px 22px;padding:18px;border:1px solid #d8d8d8;border-radius:12px;background:#fff}
.preset-pattern-grid{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(300px,1.6fr);gap:14px;align-items:end}
.preset-pattern-grid .field{margin:0}
.preset-pattern-grid input,.preset-pattern-grid select{width:100%}
.preset-summary{margin-top:12px;padding:12px 14px;border-left:5px solid #a72b2a;background:#f7f7f7;line-height:1.45;min-height:46px}
.preset-summary strong{color:#a72b2a}
.preset-summary .preset-meta{display:block;margin-top:3px;color:#555;font-size:.9em}
@media(max-width:700px){
 .historical-preset-panel{margin:0 12px 16px;padding:14px}
 .preset-pattern-grid{grid-template-columns:1fr;gap:10px}
 .preset-summary{margin-top:10px}
}
@media(orientation:landscape) and (max-height:600px){
 .historical-preset-panel{margin:0 12px 12px;padding:10px 12px}
 .preset-pattern-grid{grid-template-columns:minmax(180px,.7fr) minmax(280px,1.5fr);gap:10px}
 .preset-summary{padding:8px 10px;min-height:0;font-size:.9em}
}


/* Android v0.4.2 — portrait 3D controls must never overlap the canvas HUD. */
@media (orientation:portrait) and (max-width:700px){
  body.screen-viewer .viewer-toolbar{
    top:8px!important;
    left:8px!important;
    right:8px!important;
    max-width:none!important;
    display:grid!important;
    grid-template-columns:minmax(0,1fr) minmax(0,1fr)!important;
    gap:6px!important;
    justify-content:stretch!important;
  }
  body.screen-viewer .viewer-toolbar button,
  body.screen-viewer .viewer-toolbar select{
    width:100%!important;
    min-width:0!important;
    min-height:40px!important;
    height:40px!important;
    margin:0!important;
  }
  body.screen-viewer .viewer-toolbar select{
    grid-column:1 / -1!important;
  }
}

/* v0.7.11 full SketchUp polygon container overlay */
.viewer-model-overlay{position:absolute;inset:0;z-index:4;pointer-events:none;overflow:hidden}




.viewer-hud-webgl{position:absolute;left:10px;top:10px;min-width:330px;max-width:calc(100% - 20px);padding:9px 11px;background:rgba(17,17,17,.80);color:#fff;border-radius:4px;font-size:12px;line-height:1.45;box-sizing:border-box}
.viewer-hud-webgl strong,.viewer-hud-webgl span{display:block}.viewer-hud-webgl strong{font-weight:800}
.viewer-mesh-status{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);max-width:80%;padding:12px 16px;border-radius:6px;background:rgba(20,20,20,.82);color:#fff;text-align:center;font-size:12px;font-weight:800;line-height:1.5}.viewer-mesh-status.error{background:rgba(120,0,10,.88)}
@media(max-width:700px) and (orientation:portrait){.viewer-hud-webgl{top:102px;min-width:0;width:calc(100% - 20px);font-size:11px}}

/* v0.7.11 cargo selection and three-line HUD */
.viewer-hud-webgl .viewer-selection-line{margin:2px 0;color:#fff;font-weight:750;white-space:normal;word-break:break-word}
@media(max-width:700px) and (orientation:portrait){.viewer-hud-webgl{line-height:1.38;padding:8px 10px}.viewer-hud-webgl .viewer-selection-line{font-size:10.5px}}


/* v0.7.11 3D container/layer visibility controls */
#viewer_visibility.active{background:#252525;color:#fff;border-color:#252525}
.viewer-visibility-panel{position:absolute;z-index:8;right:12px;top:60px;width:min(330px,calc(100% - 24px));max-height:calc(100% - 76px);overflow:auto;box-sizing:border-box;padding:10px;background:rgba(255,255,255,.98);border:1px solid rgba(0,0,0,.22);border-radius:7px;box-shadow:0 5px 18px rgba(0,0,0,.22);color:#222}
.viewer-visibility-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:1px 2px 8px;border-bottom:1px solid #ddd}
.viewer-visibility-head strong{font-size:13px;letter-spacing:.02em}
.viewer-visibility-head button{width:32px;height:32px;border:0;border-radius:4px;background:#eee;color:#222;font-size:21px;line-height:1}
.viewer-visibility-row{display:grid;grid-template-columns:22px 18px minmax(0,1fr);align-items:center;gap:8px;min-height:46px;padding:6px 4px;border-bottom:1px solid #ececec;cursor:pointer}
.viewer-visibility-row input{width:18px;height:18px;margin:0;accent-color:#a72b2a}
.viewer-layer-color{display:block;width:14px;height:14px;border:1px solid rgba(0,0,0,.28);border-radius:2px}
.viewer-container-symbol{display:block;width:18px;text-align:center;font-size:16px;color:#555}
.viewer-visibility-copy{min-width:0}
.viewer-visibility-copy strong,.viewer-visibility-copy small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.viewer-visibility-copy strong{font-size:12px}.viewer-visibility-copy small{margin-top:2px;color:#666;font-size:10.5px}
.viewer-visibility-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;padding:9px 0;border-bottom:1px solid #ddd}
.viewer-visibility-actions button{min-height:36px;border:1px solid #bbb;border-radius:4px;background:#f5f5f5;color:#222;padding:5px 7px;font-size:10.5px;font-weight:800}
.viewer-visibility-empty{padding:18px 6px;color:#777;text-align:center;font-size:11px}
@media (orientation:portrait) and (max-width:700px){
  body.screen-viewer .viewer-toolbar select{grid-column:auto!important}
  .viewer-visibility-panel{left:8px;right:8px;top:174px;width:auto;max-height:calc(100% - 184px)}
}
@media (orientation:landscape) and (max-height:600px){
  .viewer-visibility-panel{right:8px;top:54px;max-height:calc(100% - 62px);width:min(310px,42vw)}
  .viewer-visibility-row{min-height:40px;padding:4px}
}


/* Android v0.7.11 — 3D measuring tape */
#viewer_measure.active{background:#252525;color:#fff;border-color:#252525}
#viewer_measure_clear:disabled{opacity:.45;cursor:default}
.viewer-measure-label{position:absolute;z-index:8;right:18px;left:auto;transform:none;min-width:86px;padding:7px 11px;border:1px solid rgba(255,255,255,.2);border-radius:5px;background:rgba(43,43,43,.88);color:#fff;text-align:center;font-size:13px;font-weight:850;white-space:nowrap;box-sizing:border-box;pointer-events:none;box-shadow:0 2px 8px rgba(0,0,0,.18)}
@media (orientation:portrait) and (max-width:700px){
  body.screen-viewer .viewer-hud-webgl{top:150px!important}
  .viewer-visibility-panel{top:216px!important;max-height:calc(100% - 226px)!important}
}
@media (orientation:landscape) and (max-height:600px){
  body.screen-viewer .viewer-toolbar button,body.screen-viewer .viewer-toolbar select{min-height:34px;padding:4px 7px;font-size:10.5px}
}


/* Android v0.7.11 — independent rotate, pan and zoom sensitivity */
#viewer_controls.active{background:#252525;color:#fff;border-color:#252525}
.viewer-controls-panel{position:absolute;z-index:9;right:12px;top:60px;width:min(340px,calc(100% - 24px));box-sizing:border-box;padding:10px;background:rgba(255,255,255,.985);border:1px solid rgba(0,0,0,.22);border-radius:7px;box-shadow:0 5px 18px rgba(0,0,0,.22);color:#222}
.viewer-controls-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:1px 2px 8px;border-bottom:1px solid #ddd}
.viewer-controls-head strong{font-size:13px;letter-spacing:.02em}
.viewer-controls-head button{width:32px;height:32px;border:0;border-radius:4px;background:#eee;color:#222;font-size:21px;line-height:1}
.viewer-controls-body{padding-top:7px}
.viewer-control-row{display:block;padding:8px 3px;border-bottom:1px solid #ececec}
.viewer-control-row>span{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:7px}
.viewer-control-row strong{font-size:11.5px}.viewer-control-row output{font-size:11.5px;font-weight:850;color:#a72b2a}
.viewer-control-row input[type=range]{display:block;width:100%;margin:0;accent-color:#a72b2a}
.viewer-controls-body p{margin:9px 3px 7px;color:#666;font-size:10.5px;line-height:1.45}
.viewer-controls-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;padding-top:3px}
.viewer-controls-actions button{min-height:36px;border:1px solid #bbb;border-radius:4px;background:#f5f5f5;color:#222;padding:5px 7px;font-size:10.5px;font-weight:800}
.viewer-controls-actions button:last-child{grid-column:1/-1}
@media (orientation:portrait) and (max-width:700px){
  .viewer-controls-panel{left:8px;right:8px;top:258px;width:auto;max-height:calc(100% - 268px);overflow:auto}
  body.screen-viewer .viewer-hud-webgl{top:198px!important}
  .viewer-visibility-panel{top:264px!important;max-height:calc(100% - 274px)!important}
}
@media (orientation:landscape) and (max-height:600px){
  .viewer-controls-panel{right:8px;top:54px;width:min(320px,44vw);max-height:calc(100% - 62px);overflow:auto}
}

/* Android v0.7.11 — project origin section */
.about-origin-grid{grid-template-columns:1fr}
.about-origin-panel{grid-column:1/-1}
.about-origin-panel p{margin-top:8px;margin-bottom:8px}

/* Android v0.7.2 — phone-landscape 3D layout */
@media (orientation:landscape) and (max-height:600px){
  body.screen-viewer .viewer-toolbar{
    top:8px!important;
    left:8px!important;
    right:8px!important;
    max-width:none!important;
    display:grid!important;
    grid-template-columns:repeat(7,minmax(0,1fr))!important;
    gap:5px!important;
    justify-content:stretch!important;
  }
  body.screen-viewer .viewer-toolbar button,
  body.screen-viewer .viewer-toolbar select{
    width:100%!important;
    min-width:0!important;
    height:34px!important;
    min-height:34px!important;
    padding:3px 4px!important;
    margin:0!important;
    font-size:9.5px!important;
    line-height:1.1!important;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }
  body.screen-viewer .viewer-hud-webgl{
    top:49px!important;
    left:8px!important;
    right:8px!important;
    width:auto!important;
    min-width:0!important;
    max-width:none!important;
    padding:7px 9px!important;
    font-size:10px!important;
    line-height:1.32!important;
  }
  body.screen-viewer .viewer-controls-panel,
  body.screen-viewer .viewer-visibility-panel{
    top:49px!important;
    right:8px!important;
    max-height:calc(100% - 57px)!important;
  }
}

@media (orientation:landscape) and (max-height:600px) and (max-width:680px){
  body.screen-viewer .viewer-toolbar{
    grid-template-columns:repeat(4,minmax(0,1fr))!important;
  }
  body.screen-viewer .viewer-hud-webgl{
    top:88px!important;
  }
  body.screen-viewer .viewer-controls-panel,
  body.screen-viewer .viewer-visibility-panel{
    top:88px!important;
    max-height:calc(100% - 96px)!important;
  }
}



/* Android v0.7.2 — phone portrait result exports: fixed single row */
@media (orientation:portrait) and (max-width:700px){
  .screen-results .export-bar{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:6px;
    padding:10px 12px;
  }
  .screen-results .export-bar button{
    box-sizing:border-box;
    width:100%;
    min-width:0;
    min-height:44px;
    padding:0 3px;
    font-size:clamp(9px,2.8vw,11px);
    line-height:1.05;
    letter-spacing:-0.1px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:clip;
  }
  html[lang="en"] .screen-results .export-bar button{
    font-size:clamp(8px,2.35vw,9.5px);
    letter-spacing:-0.25px;
  }
}


/* Android v0.7.11 — delete one selected cargo from the live result */
.viewer-hud-webgl{padding-right:80px}
.viewer-hud-actions{position:absolute;right:8px;top:8px;display:flex;flex-direction:column;align-items:stretch;gap:5px;pointer-events:auto}
.viewer-container-cycle{min-width:72px;min-height:30px;border:1px solid rgba(255,255,255,.86);border-radius:5px;background:#a72b2a;color:#fff;padding:4px 7px;font-size:9.5px;font-weight:900;line-height:1.1;white-space:nowrap;box-shadow:0 2px 5px rgba(0,0,0,.22)}
.viewer-container-cycle:active{background:#7e1e1e;transform:translateY(1px)}
.viewer-delete-selected,.viewer-undo-delete{min-width:64px;min-height:30px;padding:5px 8px;border:1px solid rgba(255,255,255,.78);border-radius:4px;color:#fff;font-size:10.5px;font-weight:850;line-height:1;pointer-events:auto;touch-action:manipulation}
.viewer-delete-selected{background:#b12b2c}.viewer-undo-delete{background:rgba(43,43,43,.9)}
.viewer-delete-selected:active,.viewer-undo-delete:active{transform:translateY(1px)}
@media(max-width:700px) and (orientation:portrait){.viewer-hud-webgl{padding-right:76px!important}.viewer-hud-actions{right:7px;top:7px}.viewer-delete-selected,.viewer-undo-delete{min-width:60px;min-height:28px;font-size:9.5px;padding:4px 6px}.viewer-measure-label{right:18px}}
@media(orientation:landscape) and (max-height:600px){.viewer-hud-webgl{padding-right:72px!important}.viewer-hud-actions{right:6px;top:6px;gap:4px}.viewer-delete-selected,.viewer-undo-delete{min-width:56px;min-height:25px;padding:3px 5px;font-size:9px}.viewer-measure-label{right:12px}}

.manual-delete-note{display:block;margin-top:5px;color:#b12b2c;font-weight:850}

/* Android v0.7.11 — tablet portrait 3D HUD / toolbar collision guard */
@media (orientation:portrait) and (min-width:821px){
  body.screen-viewer .viewer-hud-webgl{
    left:10px!important;
    right:450px!important;
    width:auto!important;
    min-width:0!important;
    max-width:none!important;
  }
}
@media (orientation:portrait) and (min-width:701px) and (max-width:820px){
  body.screen-viewer .viewer-toolbar{
    left:8px!important;
    right:8px!important;
    max-width:none!important;
    display:grid!important;
    grid-template-columns:repeat(4,minmax(0,1fr))!important;
    gap:5px!important;
  }
  body.screen-viewer .viewer-toolbar button,
  body.screen-viewer .viewer-toolbar select{
    width:100%!important;
    min-width:0!important;
    margin:0!important;
  }
  body.screen-viewer .viewer-toolbar select{
    grid-column:1 / -1!important;
  }
  body.screen-viewer .viewer-hud-webgl{
    top:98px!important;
    left:8px!important;
    right:8px!important;
    width:auto!important;
    min-width:0!important;
    max-width:none!important;
  }
}
@media (orientation:portrait) and (min-width:821px){
  body.screen-viewer .viewer-toolbar{
    width:420px!important;
    max-width:calc(100% - 16px)!important;
  }
  body.screen-viewer .viewer-toolbar select{
    flex:1 0 100%!important;
    width:100%!important;
    min-width:0!important;
    max-width:100%!important;
    box-sizing:border-box!important;
  }
}


/* v0.7.11 — shared Android/H5 install surface and 3D full-screen mode */
.install-banner{position:sticky;top:0;z-index:70;display:flex;align-items:center;justify-content:center;gap:8px;padding:7px max(10px,env(safe-area-inset-right)) 7px max(10px,env(safe-area-inset-left));background:#a72b2a;color:#fff;border-bottom:1px solid rgba(0,0,0,.2)}
.install-banner[hidden]{display:none!important}.install-banner button{min-height:36px;border:1px solid rgba(255,255,255,.75);border-radius:5px;background:#fff;color:#8f2323;padding:5px 12px;font-weight:850}.install-banner .install-banner-close{min-width:36px;padding:0;background:transparent;color:#fff;font-size:23px;line-height:1}
.install-modal{position:fixed;z-index:120;inset:0;display:flex;align-items:center;justify-content:center;padding:18px;background:rgba(0,0,0,.7)}.install-modal[hidden]{display:none!important}.install-modal-card{width:min(520px,100%);max-height:min(680px,90dvh);overflow:auto;border-radius:8px;background:#fff;color:#222;box-shadow:0 12px 34px rgba(0,0,0,.34)}.install-modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 15px;border-bottom:1px solid #ddd}.install-modal-head strong{font-size:14px}.install-modal-head button{width:36px;height:36px;border:0;border-radius:4px;background:#eee;color:#222;font-size:23px}.install-modal-body{padding:15px;font-size:13px;line-height:1.65}.install-modal-body ol{margin:8px 0 0;padding-left:22px}.install-modal-body .install-emphasis{margin:0 0 10px;padding:9px 11px;border-left:5px solid #a72b2a;background:#f7eeee;font-weight:750}
#viewer_fullscreen[aria-pressed="true"]{background:#252525;color:#fff;border-color:#252525}
body.viewer-fullscreen{overflow:hidden!important;overscroll-behavior:none;background:#e7e5e4}
body.viewer-fullscreen>.app-tabs,body.viewer-fullscreen>header,body.viewer-fullscreen>#install_banner,body.viewer-fullscreen>.mobile-actions{display:none!important}
body.viewer-fullscreen #screen-viewer{display:block!important;position:fixed!important;z-index:100!important;inset:0!important;width:100vw!important;height:100dvh!important;margin:0!important;padding:0!important;background:#e7e5e4}
body.viewer-fullscreen #screen-viewer .viewer-wrap,.viewer-wrap:fullscreen,.viewer-wrap:-webkit-full-screen{position:absolute!important;inset:0!important;width:100%!important;height:100%!important;min-height:0!important;margin:0!important;background:#e7e5e4}
.viewer-wrap:fullscreen #viewer-canvas,.viewer-wrap:-webkit-full-screen #viewer-canvas{width:100%!important;height:100%!important}
@media (orientation:landscape) and (max-height:600px){body.screen-viewer .viewer-toolbar{grid-template-columns:repeat(8,minmax(0,1fr))!important}}
@media (orientation:landscape) and (max-height:600px) and (max-width:680px){body.screen-viewer .viewer-toolbar{grid-template-columns:repeat(4,minmax(0,1fr))!important}}
@media (orientation:portrait) and (min-width:701px) and (max-width:820px){body.screen-viewer .viewer-toolbar select{grid-column:auto!important}}
@media (orientation:portrait) and (min-width:821px){body.screen-viewer .viewer-toolbar{width:420px!important}body.screen-viewer .viewer-hud-webgl{right:450px!important}}
@media (orientation:portrait) and (max-width:700px){body.screen-viewer .viewer-hud-webgl{top:198px!important}.viewer-controls-panel,.viewer-visibility-panel{top:264px!important;max-height:calc(100% - 274px)!important}}
@supports not (height:100dvh){body.viewer-fullscreen #screen-viewer{height:100vh!important}}

/* v0.7.11 — compact four-column 3D toolbar and centered display-mode selector */
body.screen-viewer .viewer-toolbar select{
  text-align:center!important;
  text-align-last:center!important;
  padding-left:22px!important;
  padding-right:22px!important;
}
body.screen-viewer .viewer-toolbar select option{text-align:center}
@media (orientation:portrait){
  body.screen-viewer .viewer-toolbar{
    display:grid!important;
    grid-template-columns:repeat(4,minmax(0,1fr))!important;
    gap:5px!important;
    justify-content:stretch!important;
  }
  body.screen-viewer .viewer-toolbar button,
  body.screen-viewer .viewer-toolbar select{
    width:100%!important;
    min-width:0!important;
    max-width:none!important;
    min-height:40px!important;
    height:40px!important;
    margin:0!important;
    padding-top:4px!important;
    padding-bottom:4px!important;
    font-size:clamp(10px,2.7vw,13px)!important;
    line-height:1.15!important;
    box-sizing:border-box!important;
  }
  body.screen-viewer .viewer-toolbar select{
    grid-column:auto!important;
    font-weight:800!important;
  }
}
@media (orientation:portrait) and (max-width:700px){
  body.screen-viewer .viewer-hud-webgl{top:102px!important}
  .viewer-controls-panel,.viewer-visibility-panel{top:168px!important;max-height:calc(100% - 178px)!important}
}
@media (orientation:portrait) and (min-width:701px) and (max-width:820px){
  body.screen-viewer .viewer-hud-webgl{top:102px!important}
  .viewer-controls-panel,.viewer-visibility-panel{top:168px!important;max-height:calc(100% - 178px)!important}
}
@media (orientation:portrait) and (min-width:821px){
  body.screen-viewer .viewer-toolbar{width:420px!important}
  body.screen-viewer .viewer-toolbar select{flex:none!important}
}




@media (orientation:portrait){
  }
@media (orientation:landscape) and (max-height:600px){
  }

/* v0.7.11 — multi-step undo for manual cargo deletion and fixed measurement readout */

/* v0.7.11 — stable XYZ/free ruler toggle inside the existing HUD action column. */
.viewer-measure-axis-inline{min-width:64px;min-height:30px;padding:5px 8px;border:1px solid rgba(255,255,255,.78);border-radius:4px;background:rgba(43,43,43,.9);color:#fff;font-size:10.5px;font-weight:850;line-height:1;pointer-events:auto;touch-action:manipulation}
.viewer-measure-axis-inline.active{background:#a72b2a;border-color:#fff}
.viewer-measure-axis-inline:active{transform:translateY(1px)}


/* v1.0.1 — full-width mobile workspace and spreadsheet-matched historical pattern map */
#screen-config main,
#screen-results main,
#screen-history main,
#screen-about main{
  width:calc(100% - 16px);
  max-width:1800px;
}

.active-preset-panel{
  margin:0 0 14px;
  padding:10px 12px;
  border:1px solid var(--line);
  border-left:5px solid var(--red);
  border-radius:7px;
  background:#faf9f8;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.active-preset-panel[hidden]{display:none!important}
.active-preset-summary{min-width:0;line-height:1.42;font-size:12px;color:#514946}
.active-preset-summary strong{color:var(--red);font-size:13px}
.active-preset-summary .preset-meta{display:block;color:#6f6662;margin-top:2px}
.open-pattern-map{
  flex:0 0 auto;
  min-height:38px;
  border:1px solid var(--red);
  border-radius:5px;
  background:#fff;
  color:var(--red);
  padding:0 12px;
  font-weight:800;
  white-space:nowrap;
}

.pattern-main{
  width:100%!important;
  max-width:none!important;
  min-height:calc(100vh - 105px)!important;
  padding:10px 8px 18px!important;
  background:#fff;
}
.pattern-page-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
  padding:0 2px 8px;
}
.pattern-title{margin:0 0 3px}
.pattern-map-note{font-size:11px;line-height:1.4;color:#6f6662;max-width:950px}
.pattern-sheet-tabs{
  display:grid;
  grid-template-columns:1fr 1fr;
  min-width:220px;
  border:1px solid var(--dark);
  border-radius:6px;
  overflow:hidden;
  background:#fff;
}
.pattern-sheet-tabs button{
  min-height:38px;
  border:0;
  background:#fff;
  color:var(--dark);
  font-weight:900;
  padding:0 14px;
}
.pattern-sheet-tabs button+button{border-left:1px solid var(--dark)}
.pattern-sheet-tabs button.active{background:var(--red);color:#fff}
.pattern-status-bar{
  min-height:34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:7px 10px;
  background:#4f4947;
  color:#fff;
  font-size:11px;
  font-weight:700;
  border-radius:5px 5px 0 0;
}
.pattern-matrix-root{
  width:100%;
  border:1px solid #9c9693;
  border-top:0;
  background:#fff;
}
.pattern-grid-scroll{
  width:100%;
  max-height:calc(100vh - 180px);
  overflow:auto;
  overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
  scrollbar-gutter:stable both-edges;
}
.pattern-matrix{
  width:max-content;
  min-width:100%;
  border-collapse:separate;
  border-spacing:0;
  table-layout:fixed;
  font-size:10px;
  color:#302c2b;
}
.pattern-matrix th,
.pattern-matrix td{
  border-right:1px solid #cfcac7;
  border-bottom:1px solid #cfcac7;
  padding:0;
  text-align:center;
  vertical-align:middle;
  white-space:normal;
}
.pattern-matrix thead th{
  position:sticky;
  top:0;
  z-index:6;
  min-width:112px;
  width:112px;
  height:86px;
  padding:6px 5px;
  background:#756b67;
  color:#fff;
  font-weight:800;
  line-height:1.25;
}
.pattern-matrix thead th .header-cell-code{
  display:block;
  margin-bottom:3px;
  font-size:9px;
  color:#e7dfdc;
  letter-spacing:.4px;
}
.pattern-matrix thead th .header-variant{
  display:inline-block;
  margin-top:4px;
  padding:2px 5px;
  border-radius:10px;
  background:rgba(255,255,255,.16);
  font-size:9px;
}
.pattern-matrix .pattern-corner{
  position:sticky;
  left:0;
  z-index:9;
  min-width:178px;
  width:178px;
  background:#302c2b;
  color:#fff;
}
.pattern-matrix .pattern-row-head{
  position:sticky;
  left:0;
  z-index:5;
  width:178px;
  min-width:178px;
  padding:7px 8px;
  background:#eeeae8;
  color:#302c2b;
  text-align:left;
  font-weight:800;
  line-height:1.3;
}
.pattern-row-code{display:block;color:var(--red);font-size:9px;margin-bottom:2px}
.pattern-row-meta{display:block;color:#746965;font-size:9px;font-weight:600;margin-top:3px}
.pattern-matrix td{
  width:112px;
  min-width:112px;
  height:64px;
  background:#fff;
}
.pattern-matrix td.pattern-empty{background:#f3f1f0}
.pattern-matrix td.pattern-selected-cell{box-shadow:inset 0 0 0 3px rgba(167,43,42,.35)}
.pattern-number-btn{
  display:flex;
  width:100%;
  min-height:63px;
  border:0;
  background:#fff;
  color:#302c2b;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:2px;
  padding:5px 3px;
  cursor:pointer;
}
.pattern-number-btn:hover,
.pattern-number-btn:focus-visible{background:#fff1f1;outline:2px solid var(--red);outline-offset:-2px}
.pattern-number-btn.selected{background:var(--red);color:#fff}
.pattern-number{
  display:inline-flex;
  min-width:32px;
  height:24px;
  padding:0 6px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:var(--red);
  color:#fff;
  font-size:12px;
  font-weight:900;
  line-height:1;
}
.pattern-number-btn.selected .pattern-number{background:#fff;color:var(--red)}
.pattern-qty{font-size:9px;font-weight:800}
.pattern-dir{font-size:9px;color:#746965}
.pattern-number-btn.selected .pattern-dir{color:#fff}

.common-sheet{
  width:100%;
  min-width:780px;
  border-collapse:separate;
  border-spacing:0;
  table-layout:fixed;
  font-size:10px;
  color:#302c2b;
}
.common-sheet th,
.common-sheet td{border-right:1px solid #cfcac7;border-bottom:1px solid #cfcac7;padding:7px 8px}
.common-sheet thead th{position:sticky;top:0;z-index:5;background:#756b67;color:#fff;text-align:center}
.common-sheet tbody th{position:sticky;left:0;z-index:4;background:#eeeae8;text-align:center;width:52px}
.common-sheet .common-model{text-align:left;min-width:240px;font-weight:800}
.common-sheet .common-dims{min-width:130px;text-align:center}
.common-sheet .common-qty{width:70px;text-align:center}
.common-sheet .common-patterns{min-width:240px}
.common-pattern-buttons{display:flex;flex-wrap:wrap;gap:5px}
.common-pattern-btn{
  min-height:32px;
  border:1px solid var(--red);
  border-radius:4px;
  background:#fff;
  color:var(--red);
  font-weight:900;
  padding:3px 8px;
}
.common-pattern-btn.selected{background:var(--red);color:#fff}

@media(max-width:900px){
  #screen-config main,
  #screen-results main,
  #screen-history main,
  #screen-about main{width:calc(100% - 8px)}
  main{padding-left:8px;padding-right:8px}
  .android-note,
  .unit-toolbar,
  .custom-model-panel,
  .source-count-toolbar,
  .layer-count-toolbar{margin-left:0!important;margin-right:0!important}
  .source-grid,
  .layers{padding-left:0!important;padding-right:0!important}
  .section-title{margin-left:0!important;margin-right:0!important}
  .result-section{margin-left:0!important;margin-right:0!important}
  .result-head,.export-bar{padding-left:0!important;padding-right:0!important}
  .about-card{margin-left:0!important;margin-right:0!important}
}

@media(max-width:560px){
  #screen-config main,
  #screen-results main,
  #screen-history main,
  #screen-about main{width:100%}
  main{padding:10px 4px 128px}
  .active-preset-panel{margin:0 0 10px;padding:8px;align-items:stretch;flex-direction:column}
  .open-pattern-map{width:100%}
  .container-grid{gap:7px}
  .source-grid{gap:7px}
  .source-slot,.source-card{padding:9px}
  .layer-card{margin-left:0!important;margin-right:0!important}
  .pattern-main{padding:6px 2px 10px!important}
  .pattern-page-head{align-items:stretch;flex-direction:column;gap:7px;padding:0 2px 6px}
  .pattern-sheet-tabs{width:100%;min-width:0}
  .pattern-map-note{font-size:10px}
  .pattern-grid-scroll{max-height:calc(100vh - 178px)}
  .pattern-matrix thead th{min-width:100px;width:100px;height:78px;padding:5px 3px}
  .pattern-matrix .pattern-corner,
  .pattern-matrix .pattern-row-head{min-width:150px;width:150px}
  .pattern-matrix td{min-width:100px;width:100px;height:58px}
  .pattern-number-btn{min-height:57px}
}


/* v1.0.1 correction r2 — stable full-height matrix scrolling, compact COMMON sheet, exact menu workspace. */
body.screen-history{height:100vh;height:100dvh;overflow:hidden!important}
body.screen-history #screen-history{height:calc(100vh - 110px);height:calc(100dvh - 110px);min-height:0;overflow:hidden}
body.screen-history .pattern-main{height:100%;min-height:0!important;display:flex;flex-direction:column;overflow:hidden}
body.screen-history .pattern-page-head{flex:0 0 auto}
body.screen-history .pattern-status-bar{flex:0 0 auto}
body.screen-history .pattern-matrix-root{flex:1 1 auto;min-height:0;overflow:hidden}
body.screen-history .pattern-grid-scroll{height:100%;max-height:none!important;overflow:auto!important;overscroll-behavior:auto!important;touch-action:pan-x pan-y;-webkit-overflow-scrolling:touch}

.common-sheet{width:100%;min-width:900px;border-collapse:separate;border-spacing:0;table-layout:fixed;font-size:10px;color:#302c2b}
.common-sheet th,.common-sheet td{border-right:1px solid #cfcac7;border-bottom:1px solid #cfcac7;padding:0}
.common-sheet thead th{position:sticky;top:0;z-index:8;height:42px;padding:7px 10px;background:#756b67;color:#fff;font-weight:900;text-align:center}
.common-sheet .common-model-header{left:0;z-index:10;width:330px;min-width:330px}
.common-sheet .common-pattern-header{text-align:left;padding-left:16px;letter-spacing:.2px}
.common-sheet .common-row-head{position:sticky;left:0;z-index:5;width:330px;min-width:330px;padding:9px 11px;background:#eeeae8;text-align:left;color:#302c2b;line-height:1.25}
.common-row-index{display:block;margin-bottom:3px;color:var(--red);font-size:9px;font-weight:900;letter-spacing:.25px}
.common-row-model{display:block;font-size:12px;font-weight:900;color:#302c2b}
.common-row-dims{display:block;margin-top:3px;font-size:10px;font-weight:700;color:#665e5a}
.common-row-qty{display:block;margin-top:5px;font-size:9px;font-weight:800;color:#665e5a;white-space:normal}
.common-pattern-lane-cell{height:76px;padding:7px 10px!important;background:#fff}
.common-pattern-lane{width:100%;height:100%;display:flex;flex-direction:row;align-items:stretch;justify-content:flex-start;gap:7px}
.common-pattern-btn{flex:0 0 112px;min-width:112px;min-height:60px;padding:4px 7px;border:1px solid #c99b99;border-radius:5px;background:#fff;color:#302c2b;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-weight:900;cursor:pointer}
.common-pattern-btn:hover,.common-pattern-btn:focus-visible{background:#fff1f1;outline:2px solid var(--red);outline-offset:-2px}
.common-pattern-btn.selected{background:var(--red);border-color:var(--red);color:#fff}
.common-pattern-number{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:26px;padding:0 8px;border-radius:14px;background:var(--red);color:#fff;font-size:13px;font-weight:950;line-height:1}
.common-pattern-btn.selected .common-pattern-number{background:#fff;color:var(--red)}
.common-pattern-units{font-size:9px;font-weight:900;white-space:nowrap}
.common-pattern-direction{font-size:11px;font-weight:900;color:#746965}
.common-pattern-btn.selected .common-pattern-direction{color:#fff}
.common-remark-row td{padding:5px 10px!important;background:#faf9f8;text-align:left;line-height:1.35;color:#5f5753}
.common-remark-row strong{display:inline-block;margin-right:8px;color:var(--red);font-size:9px;letter-spacing:.3px}
.common-remark-row span{font-size:9px;font-weight:650;overflow-wrap:anywhere}

@media(max-width:560px){
 body.screen-history #screen-history{height:calc(100vh - 108px);height:calc(100dvh - 108px)}
 .common-sheet{min-width:760px}
 .common-sheet .common-model-header,.common-sheet .common-row-head{width:270px;min-width:270px}
 .common-pattern-btn{flex-basis:100px;min-width:100px}
}
/* v1.0.1 COMMON 40HQ deduplicated row layout */
.common-pattern-lane-cell{height:64px;padding:6px 10px!important}
.common-pattern-lane{align-items:center}
.common-pattern-btn{flex:1 1 auto;width:100%;min-width:0;min-height:50px;padding:7px 14px;flex-direction:row;justify-content:flex-start;gap:14px}
.common-pattern-number{flex:0 0 auto}
.common-pattern-units{font-size:10px}
.common-pattern-direction{margin-left:auto;font-size:13px}
@media(max-width:760px){
 .common-pattern-btn{padding:7px 10px;gap:10px}
 .common-pattern-direction{margin-left:auto}
}


/* v1.0.1 — spreadsheet-coordinate COMMON matrix (O/P cells). */
.common-sheet{width:100%;min-width:780px;table-layout:fixed;border-collapse:separate;border-spacing:0}
.common-sheet .common-model-header,.common-sheet .common-row-head{width:34%;min-width:260px}
.common-sheet .common-pattern-col-header{width:33%;text-align:center!important;padding-left:8px!important}
.common-pattern-slot{height:74px;padding:7px!important;background:#fff;vertical-align:middle}
.common-pattern-empty{width:100%;height:58px;background:#f5f3f2;border:1px solid #e2ddda;border-radius:5px}
.common-pattern-slot .common-pattern-btn{width:100%;min-width:0;min-height:58px;height:58px;padding:7px 12px;display:grid;grid-template-columns:auto auto 1fr;align-items:center;justify-items:start;gap:12px;border:1px solid #c99b99;border-radius:5px;background:#fff;color:#302c2b}
.common-pattern-slot .common-pattern-btn:hover,.common-pattern-slot .common-pattern-btn:focus-visible{background:#fff1f1;outline:2px solid var(--red);outline-offset:-2px}
.common-pattern-slot .common-pattern-btn.selected{background:var(--red);border-color:var(--red);color:#fff}
.common-pattern-slot .common-pattern-direction{justify-self:end;margin-left:0;font-size:10px;font-weight:900;color:#746965;white-space:nowrap}
.common-pattern-slot .common-pattern-btn.selected .common-pattern-direction{color:#fff}
.common-remark-row td{padding:5px 10px!important}
@media(max-width:700px){
 .common-sheet{min-width:700px}
 .common-sheet .common-model-header,.common-sheet .common-row-head{width:250px;min-width:250px}
 .common-pattern-slot .common-pattern-btn{grid-template-columns:auto auto;grid-template-rows:auto auto;gap:3px 9px}
 .common-pattern-slot .common-pattern-direction{grid-column:1/3;justify-self:start;font-size:9px}
}

/* v1.0.2 image-backed historical matrix: explicit non-executable H15 hold cell. */
.pattern-hold-cell{background:#f2efed;text-align:center;vertical-align:middle;border:1px solid #c9c4c1;}
.pattern-hold-label{display:inline-flex;align-items:center;justify-content:center;min-width:54px;min-height:32px;padding:4px 8px;border:1px dashed #a72b2a;border-radius:6px;color:#a72b2a;font-weight:800;background:#fff;}

/* v1.0.9: direction labels are localized EN/ZH only; no Korean UI strings. */

/* v1.0.9 — BlueStacks / desktop mouse navigation baseline */
.viewer-desktop-nav{position:absolute;z-index:8;right:14px;bottom:14px;width:154px;padding:8px;border:1px solid rgba(255,255,255,.22);border-radius:7px;background:rgba(25,25,25,.84);color:#fff;box-sizing:border-box;box-shadow:0 4px 14px rgba(0,0,0,.24);pointer-events:auto;user-select:none;-webkit-user-select:none;touch-action:none}
.viewer-desktop-nav[hidden]{display:none!important}
.viewer-desktop-nav-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}.viewer-desktop-nav-head strong{font-size:10.5px;letter-spacing:.05em}.viewer-desktop-nav-head button{width:24px;height:24px;padding:0;border:0;border-radius:3px;background:rgba(255,255,255,.14);color:#fff;font-size:18px;line-height:1}
.viewer-nav-mode{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-bottom:6px}.viewer-nav-mode button,.viewer-nav-zoom button,.viewer-nav-pad button{border:1px solid rgba(255,255,255,.42);border-radius:4px;background:rgba(255,255,255,.11);color:#fff;font-weight:800;touch-action:none}.viewer-nav-mode button{min-height:28px;padding:3px 4px;font-size:9.5px}.viewer-nav-mode button.active{background:#a72b2a;border-color:#fff}
.viewer-nav-pad{display:grid;grid-template-columns:repeat(3,32px);grid-template-rows:repeat(3,28px);justify-content:center;gap:3px}.viewer-nav-pad button{min-width:0;padding:0;font-size:12px}.viewer-nav-pad button:active,.viewer-nav-zoom button:active{background:#a72b2a}
.viewer-nav-zoom{display:grid;grid-template-columns:34px 1fr 34px;gap:4px;margin-top:6px}.viewer-nav-zoom button{min-height:29px;padding:2px 4px;font-size:11px}.viewer-nav-zoom button:first-child,.viewer-nav-zoom button:last-child{font-size:18px}
.viewer-control-mode-title{padding:4px 3px 5px;color:#555;font-size:10.5px;font-weight:800}.viewer-control-mode{display:grid;grid-template-columns:1fr 1fr;gap:7px;padding:0 3px 7px;border-bottom:1px solid #ececec}.viewer-control-mode button{min-height:34px;border:1px solid #aaa;border-radius:4px;background:#f5f5f5;color:#222;padding:4px 7px;font-size:10.5px;font-weight:850}.viewer-control-mode button.active{background:#252525;color:#fff;border-color:#252525}
.viewer-controls-actions{grid-template-columns:1fr 1fr}.viewer-controls-actions button:last-child{grid-column:auto}
@media(max-width:700px) and (orientation:portrait){.viewer-desktop-nav{right:8px;bottom:8px;width:142px;opacity:.94}.viewer-nav-pad{grid-template-columns:repeat(3,29px);grid-template-rows:repeat(3,26px)}}
@media(orientation:landscape) and (max-height:600px){.viewer-desktop-nav{right:8px;bottom:8px;width:142px;padding:6px}.viewer-desktop-nav-head{margin-bottom:4px}.viewer-nav-mode{margin-bottom:4px}.viewer-nav-pad{grid-template-columns:repeat(3,28px);grid-template-rows:repeat(3,24px)}.viewer-nav-zoom{margin-top:4px}.viewer-nav-mode button,.viewer-nav-zoom button{min-height:25px}}


/* v1.0.9 — exact navigation revision from the installable baseline. */
.viewer-nav-pad{
  grid-template-columns:repeat(3,40px)!important;
  grid-template-rows:repeat(3,36px)!important;
  gap:7px!important;
}
.viewer-nav-pad button[data-nav-action="up"],
.viewer-nav-pad button[data-nav-action="down"],
.viewer-nav-pad button[data-nav-action="left"],
.viewer-nav-pad button[data-nav-action="right"]{
  width:40px!important;
  height:36px!important;
  min-height:36px!important;
  padding:0!important;
  font-size:19px!important;
  line-height:1!important;
}
.viewer-nav-pad button[data-nav-action="center"]{
  width:32px!important;
  height:28px!important;
  min-height:28px!important;
  justify-self:center;
  align-self:center;
  padding:0!important;
  font-size:12px!important;
}
.viewer-nav-pad button[data-nav-action="down"]{transform:translateY(-4px)}
.viewer-nav-zoom{
  grid-template-columns:34px 1fr 34px!important;
  gap:4px!important;
  margin-top:6px!important;
}
.viewer-nav-zoom button{
  min-height:29px!important;
  padding:2px 4px!important;
}
.viewer-nav-zoom button:first-child,
.viewer-nav-zoom button:last-child{font-size:18px!important}
.viewer-nav-zoom-spacer{display:block;min-width:0;pointer-events:none}

/* Two-finger zoom for Configuration, Historical Patterns and Results. */
#screen-config,#screen-results,#pattern_matrix_root{
  touch-action:pan-x pan-y;
  overscroll-behavior:contain;
}
.workspace-pinch-active{cursor:zoom-in}
#screen-config main[data-workspace-zoom],
#screen-results main[data-workspace-zoom],
#pattern_matrix_root table[data-workspace-zoom]{
  transform-origin:top left;
}

@media(max-width:700px) and (orientation:portrait){
  .viewer-nav-pad{grid-template-columns:repeat(3,36px)!important;grid-template-rows:repeat(3,34px)!important;gap:5px!important}
  .viewer-nav-pad button[data-nav-action="up"],
  .viewer-nav-pad button[data-nav-action="down"],
  .viewer-nav-pad button[data-nav-action="left"],
  .viewer-nav-pad button[data-nav-action="right"]{width:36px!important;height:34px!important;min-height:34px!important;font-size:18px!important}
  .viewer-nav-pad button[data-nav-action="center"]{width:29px!important;height:26px!important;min-height:26px!important}
}
@media(orientation:landscape) and (max-height:600px){
  .viewer-nav-pad{grid-template-columns:repeat(3,36px)!important;grid-template-rows:repeat(3,32px)!important;gap:5px!important}
  .viewer-nav-pad button[data-nav-action="up"],
  .viewer-nav-pad button[data-nav-action="down"],
  .viewer-nav-pad button[data-nav-action="left"],
  .viewer-nav-pad button[data-nav-action="right"]{width:36px!important;height:32px!important;min-height:32px!important;font-size:17px!important}
  .viewer-nav-pad button[data-nav-action="center"]{width:28px!important;height:24px!important;min-height:24px!important}
  .viewer-nav-zoom{margin-top:4px!important}
  .viewer-nav-zoom button{min-height:25px!important}
}

/* Legacy — TETRIS STUFFING manual dunnage editor */
.viewer-reinforcement-panel{position:absolute;z-index:28;top:112px;right:14px;width:min(430px,calc(100% - 28px));max-height:calc(100% - 132px);overflow:auto;background:rgba(27,27,27,.97);color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:12px;box-shadow:0 12px 34px rgba(0,0,0,.34);padding:0}
.viewer-reinforcement-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:#252525;border-bottom:1px solid rgba(255,255,255,.15)}
.viewer-reinforcement-head button{width:34px;height:34px;border:0;border-radius:8px;background:#444;color:#fff;font-size:23px}
.viewer-reinforcement-body{padding:12px 14px 16px;display:grid;gap:12px}
.viewer-reinforcement-section{display:grid;gap:8px;padding:11px;border:1px solid rgba(255,255,255,.15);border-radius:10px;background:rgba(255,255,255,.045)}
.viewer-reinforcement-section h4{margin:0;font-size:14px;letter-spacing:.02em}
.viewer-reinforcement-field{display:grid;gap:4px;font-size:12px;color:#ddd}
.viewer-reinforcement-field input,.viewer-reinforcement-field select{min-width:0;width:100%;height:38px;border:1px solid #777;border-radius:7px;background:#fff;color:#222;padding:0 8px;font-size:14px}
.viewer-reinforcement-actions{display:flex;flex-wrap:wrap;gap:8px}
.viewer-reinforcement-actions button{flex:1 1 120px;min-height:40px;border:1px solid #b93231;border-radius:8px;background:#fff;color:#a72b2a;font-weight:700;padding:7px 8px}
.viewer-reinforcement-actions button.primary{background:#b62c2c;color:#fff}
.viewer-reinforcement-actions button.danger{background:#5c2020;color:#fff;border-color:#8c3939}
.viewer-reinforcement-actions button:disabled{opacity:.42}
.viewer-reinforcement-note{font-size:12px;line-height:1.45;color:#ddd;margin:0}
.viewer-reinforcement-status{padding:9px 10px;border-radius:8px;background:#163b27;color:#d9ffe6;font-size:13px;line-height:1.4}
.viewer-reinforcement-status.invalid{background:#552323;color:#ffe0e0}
.viewer-reinforcement-status.waiting{background:#4d4017;color:#fff2b8}
.viewer-toolbar #viewer_reinforcement.active{background:#a72b2a;color:#fff;border-color:#a72b2a}
.viewer-hud-webgl .reinforcement-kind{display:inline-flex;align-items:center;padding:2px 7px;border-radius:999px;background:rgba(255,255,255,.16);font-size:12px}
.result-reinforcement-table td,.result-reinforcement-table th{white-space:nowrap}
.result-reinforcement-empty{padding:18px;color:#666;text-align:center}
@media(max-width:700px){.viewer-reinforcement-panel{top:104px;right:8px;width:calc(100% - 16px);max-height:calc(100% - 116px)}.viewer-reinforcement-field input,.viewer-reinforcement-field select{height:42px}.viewer-reinforcement-actions button{min-height:44px}.viewer-toolbar{flex-wrap:wrap}}

/* Legacy hotfix — dedicated container selector must remain visible */
.viewer-hud-webgl{padding-right:104px!important}
.viewer-hud-actions{display:flex!important;visibility:visible!important;opacity:1!important;z-index:12!important}
.viewer-container-cycle{display:block!important;visibility:visible!important;opacity:1!important;min-width:92px!important;min-height:34px!important;background:#b52b2d!important;color:#fff!important;border:2px solid #fff!important;font-size:10.5px!important;touch-action:manipulation!important}
@media(max-width:700px) and (orientation:portrait){.viewer-hud-webgl{padding-right:100px!important}.viewer-container-cycle{min-width:88px!important;min-height:32px!important;font-size:10px!important}}



/* Legacy — original navigator footprint retained; draggable header and selected-object rotation. */
.viewer-desktop-nav{will-change:left,top}
.viewer-desktop-nav-head{cursor:grab;touch-action:none}
.viewer-desktop-nav.dragging .viewer-desktop-nav-head{cursor:grabbing}
.viewer-nav-pad button.holding,.viewer-nav-zoom button.holding{background:#a72b2a!important;border-color:#fff!important}
.viewer-nav-head-snap{display:flex;align-items:center;gap:3px;margin-left:auto;margin-right:2px;font-size:9px;font-weight:850;white-space:nowrap}
.viewer-nav-head-snap input{width:13px;height:13px;margin:0;accent-color:#a72b2a}
.viewer-nav-head-snap:has(input:disabled){opacity:.38}
.viewer-reinforcement-actions button.primary.active{box-shadow:inset 0 0 0 2px #fff;background:#7f1717}
.viewer-reinforcement-selected-compact p{margin:5px 0 8px;padding:5px 7px;border-radius:4px;background:#f2efed;color:#333;font-size:10px;font-weight:800;line-height:1.3}

.viewer-size-panel{position:absolute;z-index:31;left:14px;top:112px;width:236px;border:1px solid rgba(255,255,255,.22);border-radius:9px;background:rgba(27,27,27,.96);color:#fff;box-shadow:0 10px 28px rgba(0,0,0,.34);user-select:none}
.viewer-size-panel[hidden]{display:none!important}
.viewer-size-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px;border-bottom:1px solid rgba(255,255,255,.15);cursor:grab;touch-action:none}
.viewer-size-head strong{font-size:11px;letter-spacing:.04em}
.viewer-size-head button{width:27px;height:27px;padding:0;border:0;border-radius:5px;background:#444;color:#fff;font-size:19px}
.viewer-size-body{display:grid;gap:8px;padding:10px}
.viewer-size-body label{display:grid;gap:4px;font-size:10px;font-weight:800;color:#ddd}
.viewer-size-body label>div{display:grid;grid-template-columns:34px 1fr 34px;gap:5px}
.viewer-size-body input,.viewer-size-body button{height:34px;border:1px solid #777;border-radius:5px}
.viewer-size-body input{min-width:0;width:100%;box-sizing:border-box;padding:0 7px;background:#fff;color:#222;text-align:center;font-size:13px}
.viewer-size-body button{padding:0;background:#fff;color:#a72b2a;font-size:18px;font-weight:900}
@media(max-width:700px){.viewer-size-panel{width:220px;left:8px;top:104px}.viewer-nav-head-snap{font-size:8.5px}}

/* Legacy — visible undo glyph without enlarging the existing button */
.viewer-undo-delete{font-size:24px!important;font-weight:950!important;line-height:.72!important;text-align:center!important;padding-top:3px!important;padding-bottom:3px!important}
@media(max-width:700px) and (orientation:portrait){.viewer-undo-delete{font-size:22px!important}}
@media(orientation:landscape) and (max-height:600px){.viewer-undo-delete{font-size:21px!important}}


/* Legacy — phone-first unified dual-analog gamepad; one panel for all view/object controls. */
.viewer-controls-panel{display:none!important}
.viewer-gamepad{position:absolute;z-index:34;width:min(360px,calc(100% - 12px));box-sizing:border-box;padding:5px 7px 7px;border:1px solid rgba(255,255,255,.24);border-radius:14px;background:rgba(24,24,24,.92);color:#fff;box-shadow:0 7px 24px rgba(0,0,0,.32);pointer-events:auto;user-select:none;-webkit-user-select:none;touch-action:none;-webkit-touch-callout:none;overscroll-behavior:contain;will-change:left,top}
.viewer-gamepad[hidden]{display:none!important}
.viewer-gamepad.dragging{opacity:.94}
.viewer-gamepad-handle{height:13px;display:flex;align-items:center;justify-content:center;cursor:grab;touch-action:none}
.viewer-gamepad.dragging .viewer-gamepad-handle{cursor:grabbing}
.viewer-gamepad-handle span{display:block;width:38px;height:4px;border-radius:999px;background:rgba(255,255,255,.34)}
.viewer-gamepad-body{display:grid;grid-template-columns:30px minmax(72px,1fr) 42px minmax(72px,1fr) 30px;align-items:center;gap:5px}
.viewer-gamepad-side{display:grid;gap:5px}
.viewer-gamepad-side button,.viewer-gamepad-roll button,.viewer-gamepad-undo,.viewer-gamepad-close{border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.09);color:#fff;font-weight:900;touch-action:none}
.viewer-gamepad-side button{width:30px;height:31px;padding:0;border-radius:8px;font-size:17px;line-height:1}
.viewer-gamepad-side button.active,.viewer-gamepad-roll button.active,.viewer-gamepad-undo:active{background:#a72b2a;border-color:#fff}
.viewer-gamepad-stick-block{position:relative;display:grid;justify-items:center;gap:2px;min-width:0}
.viewer-gamepad-stick-block small{font-size:8px;font-weight:850;line-height:1;letter-spacing:.035em;color:#ddd;white-space:nowrap}
.viewer-gamepad-stick{position:relative;width:76px;height:76px;border:1px solid rgba(255,255,255,.31);border-radius:50%;background:radial-gradient(circle at center,rgba(255,255,255,.09) 0 22%,rgba(255,255,255,.035) 23% 58%,rgba(0,0,0,.18) 59% 100%);box-shadow:inset 0 0 0 7px rgba(0,0,0,.14);touch-action:none;-webkit-touch-callout:none;cursor:grab}
.viewer-gamepad-stick:before,.viewer-gamepad-stick:after{content:"";position:absolute;background:rgba(255,255,255,.16);pointer-events:none}
.viewer-gamepad-stick:before{left:50%;top:7px;bottom:7px;width:1px}
.viewer-gamepad-stick:after{top:50%;left:7px;right:7px;height:1px}
.viewer-gamepad-stick.active{border-color:#fff;cursor:grabbing}
.viewer-gamepad-knob{position:absolute;z-index:2;left:50%;top:50%;width:27px;height:27px;margin:-13.5px 0 0 -13.5px;border-radius:50%;background:#2d2d2d;border:2px solid rgba(255,255,255,.62);box-shadow:0 2px 6px rgba(0,0,0,.42);transform:translate(0,0);pointer-events:none}
.viewer-gamepad-knob:after{content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;margin:-3px;border-radius:50%;background:#b72b2d}
.viewer-gamepad-center{display:grid;align-content:center;justify-items:center;gap:5px}
.viewer-gamepad-undo{width:38px;height:42px;padding:0;border-radius:8px;font-size:29px;line-height:.8}
.viewer-gamepad-snap{display:flex;align-items:center;justify-content:center;gap:3px;width:40px;height:22px;border:1px solid rgba(255,255,255,.25);border-radius:7px;background:rgba(255,255,255,.06);font-size:9px;font-weight:900;white-space:nowrap}
.viewer-gamepad-snap input{width:12px;height:12px;margin:0;accent-color:#a72b2a}
.viewer-gamepad-snap:has(input:disabled){opacity:.38}
.viewer-gamepad-roll{position:absolute;z-index:4;top:-1px;left:50%;display:flex;justify-content:space-between;width:94px;transform:translateX(-50%);pointer-events:none}
.viewer-gamepad-roll button{width:25px;height:23px;padding:0;border-radius:7px;font-size:15px;line-height:1;pointer-events:auto}
.viewer-gamepad-footer{display:grid;grid-template-columns:minmax(0,1fr) 30px;gap:6px;align-items:center;margin-top:5px}
.viewer-gamepad-speed{display:grid;grid-template-columns:38px minmax(70px,1fr) 35px;gap:5px;align-items:center;min-width:0;font-size:8px;font-weight:850;color:#ddd}
.viewer-gamepad-speed input{width:100%;min-width:0;height:18px;margin:0;accent-color:#a72b2a}
.viewer-gamepad-speed output{text-align:right;font-size:8px;color:#fff}
.viewer-gamepad-close{width:30px;height:27px;padding:0;border-radius:8px;font-size:20px;line-height:1}
.viewer-gamepad.has-object{border-color:rgba(183,43,45,.74)}

/* HUD controls are a real layout column, never absolutely overlaid on its text. */
.viewer-hud-webgl{display:grid!important;grid-template-columns:minmax(0,1fr) auto!important;align-items:start!important;gap:8px!important;padding:8px 9px!important;padding-right:9px!important;min-width:0!important;max-width:calc(100% - 20px)!important}
.viewer-hud-main{min-width:0}
.viewer-hud-main strong,.viewer-hud-main span{display:block}
.viewer-hud-actions{position:static!important;right:auto!important;top:auto!important;display:grid!important;grid-template-columns:1fr!important;align-items:stretch!important;gap:4px!important;min-width:88px!important;z-index:auto!important}
.viewer-container-cycle{min-width:88px!important;min-height:31px!important}
.viewer-delete-selected,.viewer-measure-axis-inline{min-width:88px!important}

@media(max-width:700px) and (orientation:portrait){
  .viewer-gamepad{width:min(348px,calc(100% - 10px));padding:4px 6px 6px;border-radius:13px}
  .viewer-gamepad-body{grid-template-columns:28px minmax(68px,1fr) 39px minmax(68px,1fr) 28px;gap:4px}
  .viewer-gamepad-stick{width:72px;height:72px}
  .viewer-gamepad-side button{width:28px;height:29px;font-size:16px}
  .viewer-gamepad-undo{width:36px;height:40px;font-size:28px}
  .viewer-gamepad-snap{width:38px;font-size:8.5px}
  .viewer-gamepad-roll{width:88px}
  .viewer-gamepad-footer{margin-top:4px}
  .viewer-hud-webgl{width:calc(100% - 16px)!important;max-width:none!important;left:8px!important;grid-template-columns:minmax(0,1fr) 84px!important;gap:6px!important}
  .viewer-hud-actions{min-width:84px!important}
  .viewer-container-cycle,.viewer-delete-selected,.viewer-measure-axis-inline{min-width:84px!important}
}
@media(orientation:landscape) and (max-height:600px){
  .viewer-gamepad{width:min(390px,calc(100% - 12px));padding:3px 6px 5px;border-radius:11px}
  .viewer-gamepad-handle{height:10px}
  .viewer-gamepad-body{grid-template-columns:27px 70px 39px 70px 27px;justify-content:center;gap:5px}
  .viewer-gamepad-stick{width:66px;height:66px}
  .viewer-gamepad-side button{width:27px;height:27px;font-size:15px}
  .viewer-gamepad-undo{width:36px;height:36px;font-size:26px}
  .viewer-gamepad-snap{width:37px;height:20px;font-size:8px}
  .viewer-gamepad-roll{width:82px}
  .viewer-gamepad-roll button{width:23px;height:21px;font-size:14px}
  .viewer-gamepad-footer{margin-top:3px}
  .viewer-gamepad-speed{grid-template-columns:34px minmax(80px,1fr) 31px}
  .viewer-hud-webgl{grid-template-columns:minmax(0,1fr) 82px!important;padding:6px 7px!important;gap:5px!important}
  .viewer-hud-actions{min-width:82px!important}
  .viewer-container-cycle,.viewer-delete-selected,.viewer-measure-axis-inline{min-width:82px!important;min-height:26px!important}
}

/* Legacy final phone-landscape visibility and full container label guard. */
.viewer-hud-actions{min-width:96px!important}
.viewer-container-cycle,.viewer-delete-selected,.viewer-measure-axis-inline{min-width:96px!important;font-size:9px!important}
@media(max-width:700px) and (orientation:portrait){.viewer-hud-webgl{grid-template-columns:minmax(0,1fr) 92px!important}.viewer-hud-actions{min-width:92px!important}.viewer-container-cycle,.viewer-delete-selected,.viewer-measure-axis-inline{min-width:92px!important;font-size:8.6px!important}}
@media(orientation:landscape) and (max-height:600px){body.screen-viewer .viewer-wrap{height:calc(100vh - 110px)!important;height:calc(100dvh - 110px)!important;min-height:0!important}.viewer-hud-webgl{grid-template-columns:minmax(0,1fr) 90px!important}.viewer-hud-actions{min-width:90px!important}.viewer-container-cycle,.viewer-delete-selected,.viewer-measure-axis-inline{min-width:90px!important;font-size:8px!important}}


/* Pre-BETA — finalized dual-stick interaction, explicit dunnage size, tablet split layout. */
.viewer-info{display:none!important}
body.screen-viewer .viewer-toolbar{display:grid!important;grid-template-columns:repeat(5,minmax(0,1fr))!important;grid-template-rows:repeat(2,auto)!important;grid-auto-flow:row!important;width:min(620px,calc(100% - 16px))!important;max-width:none!important;left:auto!important;right:8px!important;gap:5px!important}
body.screen-viewer .viewer-toolbar button,body.screen-viewer .viewer-toolbar select{width:100%!important;min-width:0!important;overflow:hidden!important;text-overflow:ellipsis!important;white-space:nowrap!important}
#viewer_size:disabled{opacity:.42}
#viewer_help{font-size:18px!important;font-weight:950!important}
.viewer-help-panel{position:absolute;z-index:36;top:96px;right:10px;width:min(360px,calc(100% - 20px));box-sizing:border-box;border:1px solid rgba(255,255,255,.22);border-radius:10px;background:rgba(26,26,26,.97);color:#fff;box-shadow:0 12px 32px rgba(0,0,0,.34)}
.viewer-help-panel[hidden]{display:none!important}.viewer-help-head{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.16)}.viewer-help-head button{width:30px;height:30px;border:0;border-radius:6px;background:#444;color:#fff;font-size:20px}.viewer-help-body{padding:10px 12px}.viewer-help-body p{margin:0;padding:7px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:11px;line-height:1.42}.viewer-help-body p:last-child{border-bottom:0}
.viewer-reinforcement-panel{width:min(330px,calc(100% - 20px));max-height:none;padding:0}.viewer-reinforcement-choice{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:14px}.viewer-reinforcement-choice button{min-height:48px;border:1px solid #b93231;border-radius:9px;background:#b62c2c;color:#fff;font-weight:850;padding:8px}
.viewer-gamepad{width:min(332px,calc(100% - 12px));padding:5px 7px 7px}
.viewer-gamepad-body{display:grid;grid-template-columns:1fr 1fr;gap:7px;align-items:stretch}
.viewer-gamepad-half{display:grid;grid-template-columns:minmax(72px,1fr) 42px;align-items:center;gap:5px;min-width:0}
.viewer-gamepad-right{grid-template-columns:minmax(72px,1fr) 38px}
.viewer-gamepad-left-tools,.viewer-gamepad-right-tools{display:grid;align-content:center;justify-items:center;gap:5px}
.viewer-gamepad-speed{grid-template-columns:1fr!important;gap:1px!important;width:38px;text-align:center}.viewer-gamepad-speed input{width:38px;transform:rotate(-90deg);margin:12px 0}.viewer-gamepad-speed output{display:none}.viewer-gamepad-speed span{font-size:7px}
.viewer-gamepad-zoom{display:grid;gap:4px}.viewer-gamepad-zoom button,.viewer-gamepad-undo,.viewer-gamepad-close{border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.09);color:#fff;font-weight:900;touch-action:none}.viewer-gamepad-zoom button{width:32px;height:29px;padding:0;border-radius:8px;font-size:17px}.viewer-gamepad-zoom button.active{background:#a72b2a;border-color:#fff}
.viewer-gamepad-snap{width:34px}.viewer-gamepad-close{width:32px;height:27px}.viewer-gamepad-undo{width:36px;height:40px}
.viewer-gamepad-height,.viewer-gamepad-roll{display:none!important}
.viewer-gamepad.split-layout{left:0!important;right:0!important;bottom:8px!important;top:auto!important;width:100%!important;max-width:none!important;padding:0 14px!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;pointer-events:none!important}
.viewer-gamepad.split-layout .viewer-gamepad-handle{display:none!important}
.viewer-gamepad.split-layout .viewer-gamepad-body{display:flex!important;justify-content:space-between!important;align-items:flex-end!important;gap:24px!important;width:100%!important}
.viewer-gamepad.split-layout .viewer-gamepad-half{width:190px;max-width:28vw;padding:8px;border:1px solid rgba(255,255,255,.24);border-radius:14px;background:rgba(24,24,24,.92);box-shadow:0 7px 24px rgba(0,0,0,.32);pointer-events:auto!important}
.viewer-gamepad.split-layout .viewer-gamepad-stick{width:86px;height:86px}.viewer-gamepad.split-layout .viewer-gamepad-knob{width:30px;height:30px;margin:-15px 0 0 -15px}
@media(max-width:759px),(max-height:429px){.viewer-gamepad.split-layout{display:none!important}}
@media(max-width:560px){body.screen-viewer .viewer-toolbar{grid-template-columns:repeat(5,minmax(0,1fr))!important;width:calc(100% - 16px)!important;left:8px!important;right:8px!important}.viewer-help-panel{top:92px}.viewer-gamepad-stick{width:70px;height:70px}.viewer-gamepad-half{grid-template-columns:minmax(66px,1fr) 38px}.viewer-gamepad-right{grid-template-columns:minmax(66px,1fr) 35px}}
@media(orientation:landscape) and (max-height:600px){body.screen-viewer .viewer-toolbar{grid-template-columns:repeat(5,minmax(0,1fr))!important;grid-template-rows:repeat(2,30px)!important}.viewer-help-panel,.viewer-reinforcement-panel{top:72px!important}.viewer-gamepad{width:min(310px,calc(100% - 10px))}.viewer-gamepad-stick{width:62px;height:62px}}

/* Pre-BETA top safe-zone guard for phone and portrait tablets. */
@media(max-width:900px){
 body.screen-viewer .viewer-toolbar{left:8px!important;right:8px!important;width:calc(100% - 16px)!important}
 body.screen-viewer .viewer-hud-webgl{top:102px!important;left:8px!important;right:8px!important;width:auto!important;max-width:none!important}
 .viewer-reinforcement-panel,.viewer-help-panel{top:174px!important;max-height:calc(100% - 184px)!important;overflow:auto}
}
@media(max-width:900px) and (orientation:landscape) and (max-height:600px){
 body.screen-viewer .viewer-hud-webgl{top:72px!important}
 .viewer-reinforcement-panel,.viewer-help-panel{top:132px!important;max-height:calc(100% - 140px)!important}
}

/* TETRIS BETA 1.0.1 - staged workspace, release snap preview, automatic dunnage and manual. */
.viewer-reinforcement-choice{grid-template-columns:repeat(2,minmax(0,1fr))!important}.viewer-reinforcement-choice .auto{grid-column:1/-1;background:#0d6b56!important}.viewer-reinforcement-note{margin:8px 0 0;font-size:10px;line-height:1.35;color:#ddd}.viewer-reinforcement-status{margin-top:8px;padding:7px 8px;border-radius:6px;background:#25313a;font-size:10px;font-weight:800}.viewer-reinforcement-status.good{background:#164c3d}.viewer-reinforcement-status.warning{background:#6b4e12}.viewer-manual-panel{width:min(620px,calc(100% - 20px));max-height:calc(100% - 112px);overflow:auto}.viewer-manual-body section{padding:2px 0 8px;border-bottom:1px solid rgba(255,255,255,.12)}.viewer-manual-body section:last-child{border-bottom:0}.viewer-manual-body h3{margin:8px 0 2px;font-size:12px}.viewer-manual-body p{font-size:10.5px!important}.viewer-hud-main .staged-outside{color:#a55b00}
/* BETA 1.0.1 dunnage panel readability */
.viewer-reinforcement-panel .viewer-reinforcement-note{padding:0 14px 12px;margin:0;white-space:normal;overflow-wrap:anywhere}
.viewer-reinforcement-panel .viewer-reinforcement-status{margin:0 14px 14px}

/* STAGE 6.1 — control-pad bottom default, aligned internal rows, red top-right close. */
.viewer-gamepad{
  --gamepad-tool-column:42px;
  --gamepad-close-size:30px;
}
.viewer-gamepad-body{
  align-items:stretch!important;
}
.viewer-gamepad-half{
  grid-template-columns:minmax(0,1fr) var(--gamepad-tool-column)!important;
  align-items:center!important;
  min-height:96px;
}
.viewer-gamepad-left-tools,
.viewer-gamepad-right-tools{
  width:var(--gamepad-tool-column);
  height:95px;
  min-height:95px;
  box-sizing:border-box;
  align-content:center!important;
  justify-content:center!important;
  justify-items:center!important;
  row-gap:5px!important;
}
.viewer-gamepad-stick-block{
  align-self:center;
}
.viewer-gamepad-left{position:relative}
.viewer-gamepad-right{position:static;padding-right:3px}
.viewer-gamepad-close{
  position:absolute!important;
  z-index:8;
  top:3px;
  right:5px;
  width:var(--gamepad-close-size)!important;
  height:var(--gamepad-close-size)!important;
  padding:0!important;
  margin:0!important;
  border:1px solid #ffaaa8!important;
  border-radius:8px!important;
  background:#c62828!important;
  color:#fff!important;
  font-size:21px!important;
  font-weight:950!important;
  line-height:1!important;
  box-shadow:0 2px 7px rgba(0,0,0,.34)!important;
}
.viewer-gamepad-close:hover,
.viewer-gamepad-close:focus-visible{
  background:#e53935!important;
  border-color:#fff!important;
  outline:2px solid rgba(255,255,255,.72);
  outline-offset:1px;
}
.viewer-gamepad-close:active{
  background:#9f1f1f!important;
  transform:translateY(1px);
}
.viewer-gamepad.split-layout{
  bottom:4px!important;
}
.viewer-gamepad-handle{height:28px!important;padding-right:34px;box-sizing:border-box}
.viewer-gamepad.split-layout .viewer-gamepad-right{position:relative!important}
.viewer-gamepad.split-layout .viewer-gamepad-close{top:-36px;right:0}
@media(max-width:700px) and (orientation:portrait){
  .viewer-gamepad{--gamepad-tool-column:40px;--gamepad-close-size:29px}
  .viewer-gamepad-half{min-height:92px}
  .viewer-gamepad-left-tools,.viewer-gamepad-right-tools{height:95px;min-height:95px}
}
@media(orientation:landscape) and (max-height:600px){
  .viewer-gamepad{--gamepad-tool-column:38px;--gamepad-close-size:27px}
  .viewer-gamepad-half{min-height:78px}
  .viewer-gamepad-left-tools,.viewer-gamepad-right-tools{height:93px;min-height:93px;row-gap:3px!important}
  .viewer-gamepad-handle{height:26px!important}
  .viewer-gamepad-close{font-size:19px!important;top:3px;right:5px}
}


/* TETRIS BETA 1.0.5 — reliable horizontal controller speed and unclipped 3D toolbar. */
.viewer-gamepad-speed{
  display:grid!important;
  grid-template-columns:42px minmax(0,1fr) 42px!important;
  align-items:center!important;
  gap:6px!important;
  width:100%!important;
  min-width:0!important;
  box-sizing:border-box!important;
  margin:5px 0 0!important;
  padding:0 2px!important;
  color:#ddd!important;
  font-size:8px!important;
  font-weight:850!important;
  text-align:left!important;
}
.viewer-gamepad-speed span{font-size:8px!important;line-height:1!important;text-align:left!important}
.viewer-gamepad-speed input{
  display:block!important;
  width:100%!important;
  min-width:0!important;
  height:24px!important;
  margin:0!important;
  padding:0!important;
  transform:none!important;
  touch-action:none!important;
  accent-color:#a72b2a!important;
  cursor:pointer!important;
}
.viewer-gamepad-speed output{
  display:block!important;
  width:42px!important;
  font-size:9px!important;
  line-height:1!important;
  font-weight:900!important;
  text-align:right!important;
  color:#fff!important;
}
.viewer-gamepad-left-tools{height:95px!important;min-height:95px!important}
.viewer-gamepad.split-layout .viewer-gamepad-speed{
  position:absolute!important;
  left:50%!important;
  bottom:4px!important;
  width:min(300px,38vw)!important;
  transform:translateX(-50%)!important;
  padding:5px 8px!important;
  margin:0!important;
  border:1px solid rgba(255,255,255,.24)!important;
  border-radius:10px!important;
  background:rgba(24,24,24,.92)!important;
  box-shadow:0 5px 18px rgba(0,0,0,.28)!important;
  pointer-events:auto!important;
}
@media(max-width:759px),(max-height:429px){
  .viewer-gamepad.split-layout .viewer-gamepad-speed{position:static!important;width:100%!important;transform:none!important;padding:0 2px!important;border:0!important;background:transparent!important;box-shadow:none!important}
}
body.screen-viewer .viewer-toolbar button,
body.screen-viewer .viewer-toolbar select{
  padding:3px 2px!important;
  font-size:clamp(7px,2vw,10px)!important;
  line-height:1.05!important;
  letter-spacing:-.12px!important;
  white-space:nowrap!important;
  overflow:visible!important;
  text-overflow:clip!important;
  word-break:keep-all!important;
}
#viewer_help{font-size:16px!important;letter-spacing:0!important}
@media(max-width:420px){
  body.screen-viewer .viewer-toolbar button,
  body.screen-viewer .viewer-toolbar select{font-size:clamp(6.8px,1.95vw,8.4px)!important;padding-left:1px!important;padding-right:1px!important}
}
@media(orientation:landscape) and (max-height:600px){
  body.screen-viewer .viewer-toolbar button,
  body.screen-viewer .viewer-toolbar select{font-size:clamp(6.6px,1.15vw,8px)!important;line-height:1!important;padding:2px 1px!important}
}


/* TETRIS BETA 1.0.5 — complete dunnage coverage and viewport-contained mobile UI. */
html,body{width:100%;max-width:100%;overflow-x:hidden!important}
body>.app-tabs,body>header,.screen,.viewer-wrap,#screen-viewer{min-width:0!important;max-width:100vw!important}
body.screen-viewer #screen-viewer,body.screen-viewer .viewer-wrap{width:100%!important;overflow:hidden!important}
body.screen-viewer #viewer-canvas{width:100%!important;max-width:100%!important}
.app-tabs{width:100%;max-width:100vw;scrollbar-width:thin}
.app-tabs button{max-width:calc(100vw - 24px)}
body.screen-viewer header,body.screen-results header,body.screen-history header{width:100%;max-width:100vw}
body.screen-viewer .landscape-brand-strip,body.screen-results .landscape-brand-strip,body.screen-history .landscape-brand-strip{min-width:0;max-width:100%;overflow:hidden}
body.screen-viewer .landscape-brand-copy,body.screen-results .landscape-brand-copy,body.screen-history .landscape-brand-copy{min-width:0;overflow:hidden}
body.screen-viewer .viewer-toolbar{left:8px!important;right:8px!important;width:auto!important;max-width:calc(100% - 16px)!important}
.viewer-hud-webgl,.viewer-controls-panel,.viewer-visibility-panel,.viewer-reinforcement-panel,.viewer-help-panel,.viewer-size-panel{max-width:calc(100% - 16px)!important;box-sizing:border-box!important}
.viewer-reinforcement-panel{left:8px!important;right:8px!important;width:auto!important}
.viewer-reinforcement-choice{min-width:0!important}
.viewer-reinforcement-choice button{min-width:0!important;width:100%!important;padding-left:5px!important;padding-right:5px!important;white-space:normal!important;overflow-wrap:anywhere!important;line-height:1.12!important}
.viewer-gamepad{left:auto;right:auto;width:min(620px,calc(100% - 16px))!important;max-width:calc(100% - 16px)!important;overflow:hidden!important}
.viewer-gamepad-body,.viewer-gamepad-half,.viewer-gamepad-stick-block,.viewer-gamepad-left-tools,.viewer-gamepad-right-tools{min-width:0!important}
.viewer-gamepad-speed{max-width:100%!important}
@media(max-width:420px){
  body.screen-viewer .landscape-pantos-logo,body.screen-results .landscape-pantos-logo,body.screen-history .landscape-pantos-logo{width:70px!important;flex-basis:70px!important}
  .compact-version{font-size:8.3px!important;flex:0 1 auto!important;min-width:0!important;overflow:hidden!important;text-overflow:ellipsis!important}
  body.screen-viewer .landscape-language-switch button,body.screen-results .landscape-language-switch button,body.screen-history .landscape-language-switch button{min-width:34px!important;padding:0 4px!important}
  .viewer-gamepad{width:calc(100% - 12px)!important;max-width:calc(100% - 12px)!important;padding-left:5px!important;padding-right:5px!important}
  .viewer-gamepad-body{gap:4px!important}
  .viewer-gamepad-half{grid-template-columns:minmax(58px,1fr) 36px!important;gap:3px!important}
  .viewer-gamepad-stick{width:66px!important;height:66px!important}
  .viewer-gamepad-left-tools,.viewer-gamepad-right-tools{width:36px!important}
  .viewer-reinforcement-choice{gap:7px!important;padding:10px!important}
  .viewer-reinforcement-choice button{font-size:10px!important}
}
/* BETA 1.0.5 final narrow-screen navigation and centred tablet control-pad shell. */
.app-tabs{display:grid!important;grid-template-columns:repeat(5,minmax(0,1fr))!important;overflow:hidden!important;gap:3px!important;padding:6px 5px!important}
.app-tabs button{width:100%!important;min-width:0!important;max-width:none!important;padding:6px 2px!important;font-size:clamp(6.6px,1.85vw,10px)!important;line-height:1.05!important;white-space:normal!important;overflow-wrap:anywhere!important}
.viewer-gamepad.split-layout{left:50%!important;right:auto!important;transform:translateX(-50%)!important;width:min(720px,calc(100% - 16px))!important;max-width:calc(100% - 16px)!important}

/* BETA 1.0.5 REV2 — compact top navigation on phone, tablet and desktop. */
.app-tabs{
  grid-template-columns:repeat(5,minmax(0,1fr))!important;
  gap:4px!important;
  padding:7px 6px!important;
  overflow:hidden!important;
}
.app-tabs button{
  width:100%!important;
  min-width:0!important;
  min-height:52px!important;
  max-width:none!important;
  padding:0 4px!important;
  font-size:clamp(14px,1.45vw,18px)!important;
  line-height:1!important;
  font-weight:800!important;
  letter-spacing:-.02em!important;
  white-space:nowrap!important;
  overflow:hidden!important;
  overflow-wrap:normal!important;
  word-break:normal!important;
  text-overflow:clip!important;
}
@media (max-width:700px), (orientation:landscape) and (max-height:600px){
  .app-tabs button{
    min-height:48px!important;
    padding:0 2px!important;
    font-size:clamp(13.5px,3.7vw,16px)!important;
  }
}


/* TETRIS BETA 1.0.10 — compact 3D toolbar and bottom-centred controller reset. */
body.screen-viewer .viewer-toolbar{
  grid-template-rows:repeat(2,22px)!important;
  row-gap:4px!important;
}
body.screen-viewer .viewer-toolbar button,
body.screen-viewer .viewer-toolbar select{
  height:22px!important;
  min-height:22px!important;
  max-height:22px!important;
  padding-top:0!important;
  padding-bottom:0!important;
}
/* Keep the established label font sizes; only the vertical shell is reduced. */


/* TETRIS BETA 1.0.19 — ergonomic tablet thumb controls and separate SPEED control. */
#viewer_speed.active{background:#252525!important;color:#fff!important;border-color:#252525!important}
.viewer-speed-panel{position:absolute;z-index:40;box-sizing:border-box;padding:9px 11px;border:1px solid rgba(255,255,255,.25);border-radius:10px;background:rgba(24,24,24,.94);color:#fff;box-shadow:0 7px 22px rgba(0,0,0,.32);pointer-events:auto}
.viewer-speed-panel[hidden]{display:none!important}
.viewer-speed-control{display:grid;grid-template-columns:45px minmax(110px,1fr) 44px;align-items:center;gap:8px;width:100%;font-size:10px;font-weight:900;line-height:1}
.viewer-speed-control input{display:block;width:100%;min-width:0;height:28px;margin:0;padding:0;accent-color:#b52d2e;touch-action:none}
.viewer-speed-control output{text-align:right;font-size:10px;font-weight:900}

/* SPEED is never embedded in the movable control pad. */
.viewer-gamepad>.viewer-gamepad-speed,.viewer-gamepad .viewer-gamepad-speed{display:none!important}

/* Tablet: two independent thumb-side shells, centred on ergonomic reach lines. JS sets the vertical line. */
.viewer-gamepad.split-layout{left:0!important;right:auto!important;bottom:auto!important;transform:none!important;width:100%!important;max-width:none!important;padding:0 18px!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;overflow:visible!important;pointer-events:none!important}
.viewer-gamepad.split-layout .viewer-gamepad-handle{display:none!important}
.viewer-gamepad.split-layout .viewer-gamepad-body{display:flex!important;justify-content:space-between!important;align-items:center!important;width:100%!important;gap:48px!important}
.viewer-gamepad.split-layout .viewer-gamepad-half{flex:0 0 204px!important;width:204px!important;max-width:30vw!important;min-height:112px!important;padding:9px!important;border:1px solid rgba(255,255,255,.25)!important;border-radius:15px!important;background:rgba(24,24,24,.93)!important;box-shadow:0 7px 24px rgba(0,0,0,.32)!important;pointer-events:auto!important}
.viewer-gamepad.split-layout .viewer-gamepad-stick{width:88px!important;height:88px!important}
.viewer-gamepad.split-layout .viewer-gamepad-left-tools,.viewer-gamepad.split-layout .viewer-gamepad-right-tools{height:98px!important;min-height:98px!important}
.viewer-gamepad.split-layout .viewer-gamepad-close{top:5px!important;right:5px!important}
@media(orientation:portrait) and (min-width:600px){
  .viewer-gamepad.split-layout{padding:0 13px!important}
  .viewer-gamepad.split-layout .viewer-gamepad-body{gap:22px!important}
  .viewer-gamepad.split-layout .viewer-gamepad-half{flex-basis:184px!important;width:184px!important;max-width:43vw!important;min-height:104px!important;padding:8px!important}
  .viewer-gamepad.split-layout .viewer-gamepad-stick{width:82px!important;height:82px!important}
}
@media(max-width:599px){.viewer-gamepad.split-layout{display:none!important}}

@media(min-width:600px){.viewer-gamepad.split-layout{display:block!important}}

/* BETA 1.0.19 — discrete cargo orientation control (12 states) */
.viewer-cargo-rotation{display:grid;gap:3px;min-width:112px}
.viewer-cargo-auto{min-height:28px;padding:4px 5px;border:1px solid rgba(255,255,255,.78);border-radius:5px;background:#5a5a5a;color:#fff;font-size:8.8px;font-weight:900;line-height:1.05;white-space:normal;touch-action:manipulation}
.viewer-cargo-auto.active{background:#0d6b56;border-color:#fff}
.viewer-cargo-angles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px}
.viewer-cargo-angles button{min-width:0;min-height:25px;padding:3px 2px;border:1px solid rgba(255,255,255,.58);border-radius:4px;background:rgba(255,255,255,.10);color:#fff;font-size:9px;font-weight:900;touch-action:manipulation}
.viewer-cargo-angles button.active{background:#a72b2a;border-color:#fff}
.viewer-cargo-angles button:disabled{opacity:.34}
.viewer-hud-actions:has(.viewer-cargo-rotation){min-width:112px!important}
.viewer-gamepad.cargo-selected .viewer-gamepad-rotate-block{opacity:.35}
@media(max-width:700px) and (orientation:portrait){.viewer-hud-webgl:has(.viewer-cargo-rotation){grid-template-columns:minmax(0,1fr) 108px!important}.viewer-hud-actions:has(.viewer-cargo-rotation){min-width:108px!important}.viewer-cargo-rotation{min-width:108px}.viewer-cargo-auto{font-size:8px}.viewer-cargo-angles button{font-size:8.5px;min-height:23px}}
@media(orientation:landscape) and (max-height:600px){.viewer-hud-webgl:has(.viewer-cargo-rotation){grid-template-columns:minmax(0,1fr) 106px!important}.viewer-hud-actions:has(.viewer-cargo-rotation){min-width:106px!important}.viewer-cargo-rotation{min-width:106px}.viewer-cargo-auto{min-height:24px;font-size:7.8px}.viewer-cargo-angles button{min-height:21px;font-size:8px}}


/* BETA 1.0.19 — authoritative layer-level cargo rotation controls */
.layer-rotation-row{grid-column:1/-1;display:grid;grid-template-columns:1.35fr 1fr;gap:9px 11px;padding:10px;border:1px solid #d8c7c4;border-left:5px solid var(--red);border-radius:8px;background:#fff8f7}
.layer-rotation-row .field{margin:0;min-width:0}
.layer-rotation-note{grid-column:1/-1;font-size:11px;line-height:1.4;color:#7b2524;font-weight:700}
.layer-rotation-note.auto{color:#665f5c;font-weight:600}
.layer-rotation-row select:disabled{background:#eee9e7;color:#8a817d;opacity:.8}
@media(max-width:560px){.layer-rotation-row{grid-template-columns:1fr 1fr;padding:9px}.layer-rotation-row .field>label{min-height:2.4em;display:flex;align-items:flex-end;line-height:1.2}.layer-rotation-row select{min-height:44px;height:44px}}

.two-across-row{grid-column:1/-1;display:grid;grid-template-columns:1fr;gap:8px;padding:10px 12px;border:1px solid #e1d4d2;border-left:4px solid var(--red,#b52b2e);border-radius:8px;background:#fffaf9}
.two-across-note{margin-top:6px;line-height:1.35}
.field.is-disabled{opacity:.58}
@media(max-width:720px){.two-across-row{padding:8px 9px}}


/* TETRIS BETA 1.0.19 — WALK, viewer-only HIDE/SHOW ALL, precision measurement magnifier. */
#viewer_walk.active{background:#163f72!important;color:#fff!important;border-color:#163f72!important}
#viewer_show_all:disabled{opacity:.42;cursor:default}
.viewer-hide-selected{background:#40566f!important;color:#fff!important;border-color:#6f8296!important}
.viewer-measure-magnifier{position:absolute;z-index:30;width:190px;height:190px;border:3px solid #fff;border-radius:50%;overflow:hidden;background:#222;box-shadow:0 5px 24px rgba(0,0,0,.55);pointer-events:none}
.viewer-measure-magnifier canvas{display:block;width:100%;height:100%;image-rendering:auto}
.viewer-measure-crosshair{position:absolute;inset:0;display:block}
.viewer-measure-crosshair:before,.viewer-measure-crosshair:after{content:"";position:absolute;background:#ffdf28;box-shadow:0 0 0 1px rgba(0,0,0,.75)}
.viewer-measure-crosshair:before{left:50%;top:18%;bottom:18%;width:1px;transform:translateX(-.5px)}
.viewer-measure-crosshair:after{top:50%;left:18%;right:18%;height:1px;transform:translateY(-.5px)}
.viewer-gamepad.walk-active{display:block!important;pointer-events:none!important}
.viewer-gamepad.walk-active .viewer-gamepad-body{pointer-events:none!important}
.viewer-gamepad.walk-active .viewer-gamepad-half{pointer-events:auto!important}
.viewer-gamepad.walk-active .viewer-gamepad-left-tools,.viewer-gamepad.walk-active .viewer-gamepad-right-tools{display:none!important}
.viewer-gamepad.walk-active .viewer-gamepad-half{grid-template-columns:1fr!important;justify-items:center!important}
.viewer-gamepad.walk-active .viewer-gamepad-stick-block{justify-items:center!important}
.viewer-gamepad.walk-active .viewer-gamepad-handle{display:none!important}
.viewer-gamepad.walk-active{bottom:14px!important}
@media(max-width:700px){.viewer-measure-magnifier{width:154px;height:154px}.viewer-gamepad.walk-active{width:calc(100% - 12px)!important}}
.viewer-measure-dot{position:absolute;z-index:22;width:9px;height:9px;border:2px solid #fff;border-radius:50%;background:#ffb400;box-shadow:0 0 0 2px rgba(0,0,0,.58);transform:translate(-50%,-50%);pointer-events:none}