:root{
  --bg:#FDFAF6; --panel:#F5F0E8; --raised:#EDE6D8; --inset:#F0EBE1;
  --border:#D8D0C4; --border-soft:#E5DDD2;
  --ink-1:#1A1714; --ink-2:#4A4540; --ink-3:#7A7268; --ink-4:#A09888;
  --amber:#C17D2E; --amber-dim:#8A5820; --amber-bg:#FDF3E3;
  --pass:#3D7A52; --pass-bg:#EAF5EE;
  --fail:#A03A34; --fail-bg:#FAE9E8;
  --warn:#9B6B1A; --warn-bg:#FDF3E3;
  --info:#1A4B7A; --info-bg:#E8EFF7;
  --r:4px;
  --font-display:'Bebas Neue',sans-serif;
  --font-body:'Archivo',sans-serif;
  --font-mono:'IBM Plex Mono',monospace;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink-1);font-family:var(--font-body);line-height:1.5;-webkit-font-smoothing:antialiased;}
::selection{background:var(--amber);color:#fff;}
a{color:var(--info);}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}

/* ── header ── */
.studio-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;border-bottom:1px solid var(--border);background:var(--panel);}
.studio-wordmark{font-family:var(--font-display);font-size:22px;letter-spacing:.04em;color:var(--ink-1);}
.studio-wordmark span{color:var(--amber);}
.studio-nav{display:flex;gap:2px;background:var(--raised);border-radius:var(--r);padding:3px;}
.studio-nav-btn{font-family:var(--font-mono);font-size:11px;letter-spacing:.05em;background:none;border:none;color:var(--ink-3);padding:5px 16px;border-radius:calc(var(--r) - 2px);cursor:pointer;transition:background .15s,color .15s;}
.studio-nav-btn:hover{color:var(--ink-1);}
.studio-nav-btn.active{background:var(--amber);color:#fff;}
#mainView{display:none;}
.config-inline{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;color:var(--ink-3);}
.config-inline input{background:var(--bg);border:1px solid var(--border);color:var(--ink-1);font-family:var(--font-mono);font-size:12px;padding:5px 9px;border-radius:var(--r);width:240px;}
.config-inline input:focus{outline:none;border-color:var(--amber);}

/* ── hero ── */
header.hero{padding:48px 0 36px;border-bottom:1px solid var(--border);}
.eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--info);text-transform:uppercase;margin:0 0 12px;}
h1.title{font-family:var(--font-display);font-size:clamp(40px,6vw,80px);letter-spacing:.01em;margin:0 0 10px;line-height:.92;color:var(--ink-1);}
h1.title span{color:var(--amber);}
.sub{font-size:15px;color:var(--ink-3);max-width:600px;margin:0 0 6px;}
.limit-line{font-family:var(--font-mono);font-size:12px;color:var(--ink-4);}
.limit-line b{color:var(--amber-dim);font-weight:600;}

/* ── sections ── */
section{padding:36px 0;border-bottom:1px solid var(--border);}
.panel-label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;color:var(--ink-4);text-transform:uppercase;margin:0 0 14px;display:flex;align-items:center;gap:10px;}
.panel-label::after{content:"";flex:1;height:1px;background:var(--border);}

/* ── buttons ── */
.btn{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em;border:1px solid var(--amber);background:var(--amber);color:#fff;padding:10px 20px;border-radius:var(--r);cursor:pointer;font-weight:600;transition:opacity .15s,transform .1s;}
.btn:hover:not(:disabled){opacity:.88;transform:translateY(-1px);}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}
.btn.secondary{background:transparent;color:var(--amber);border-color:var(--amber);}
.btn.ghost{background:transparent;color:var(--ink-3);border-color:var(--border);}
.btn-row{display:flex;gap:10px;align-items:center;margin-top:18px;flex-wrap:wrap;}
.status-line{font-family:var(--font-mono);font-size:12px;color:var(--ink-3);min-height:16px;}
.status-line.error{color:var(--fail);}

/* ── upload ── */
.upload-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;}
@media(max-width:820px){.upload-grid{grid-template-columns:1fr;}}
.dropzone{border:1.5px dashed var(--border);border-radius:var(--r);background:var(--panel);min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;cursor:pointer;transition:border-color .15s,background .15s;position:relative;overflow:hidden;}
.dropzone:hover,.dropzone.drag{border-color:var(--amber);background:var(--raised);}
.dropzone img{max-width:100%;max-height:260px;object-fit:contain;border-radius:2px;}
.dz-icon{font-family:var(--font-display);font-size:48px;color:var(--ink-4);letter-spacing:.05em;}
.dz-text{color:var(--ink-3);font-size:14px;margin-top:6px;}
.dz-text b{color:var(--amber);}
.dropzone input[type=file]{display:none;}
.query-col label{display:block;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-4);margin-bottom:7px;}
textarea#userQuery{width:100%;min-height:110px;resize:vertical;background:var(--inset);border:1px solid var(--border);color:var(--ink-1);border-radius:var(--r);padding:10px 12px;font-family:var(--font-body);font-size:13.5px;}
textarea#userQuery:focus,textarea#matchUserPrompt:focus{outline:none;border-color:var(--amber);}
.rules-box{margin-top:16px;background:var(--panel);border:1px solid var(--border-soft);border-radius:var(--r);padding:12px 14px;}
.rules-title{font-family:var(--font-mono);font-size:10px;color:var(--amber-dim);letter-spacing:.08em;margin-bottom:7px;}
.rules-box ol{margin:0;padding-left:16px;color:var(--ink-3);font-size:12px;}
.rules-box li{margin-bottom:4px;}

/* ── analysis card ── */
.analysis-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--r);padding:18px 22px;margin-bottom:24px;}
.a-row{display:flex;gap:8px;margin-bottom:8px;font-size:13.5px;}
.a-label{font-family:var(--font-mono);font-size:10.5px;color:var(--info);letter-spacing:.06em;min-width:150px;flex-shrink:0;padding-top:2px;}
.a-val{color:var(--ink-1);}
.a-val.muted{color:var(--ink-3);}

/* ── compass ── */
.compass-wrap{display:flex;justify-content:center;margin-bottom:28px;}
#compassSvg text{font-family:var(--font-mono);}
.compass-cat-label{cursor:pointer;}

/* ── azimuth ring ── */
.angle-studio{display:grid;grid-template-columns:260px 1fr;gap:24px;margin-bottom:28px;background:var(--panel);border:1px solid var(--border);border-radius:var(--r);padding:20px 22px;}
@media(max-width:700px){.angle-studio{grid-template-columns:1fr;}}
.angle-studio-title{font-family:var(--font-mono);font-size:10.5px;color:var(--ink-4);text-transform:uppercase;letter-spacing:.1em;margin:0 0 10px;}
.angle-ring-wrap{display:flex;flex-direction:column;align-items:center;}
.coverage-info{font-family:var(--font-mono);font-size:11px;color:var(--ink-3);margin-top:8px;text-align:center;}
.coverage-matrix-wrap{overflow-x:auto;}
.coverage-matrix table{border-collapse:collapse;font-family:var(--font-mono);font-size:10px;}
.coverage-matrix th{color:var(--ink-4);padding:4px 8px;text-align:center;border-bottom:1px solid var(--border);}
.coverage-matrix td{width:52px;height:36px;text-align:center;border:1px solid var(--border-soft);border-radius:2px;cursor:default;transition:background .15s;color:var(--ink-3);}
.coverage-matrix td.selected{background:var(--pass-bg);color:var(--pass);font-weight:600;}
.coverage-matrix td.empty{background:var(--inset);color:var(--ink-4);}

/* ── auto-select ── */
.auto-select-panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--r);padding:18px 20px;margin-bottom:20px;}
.auto-select-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;}
#autoSelectQuery:focus{outline:none;border-color:var(--amber);}
.ai-pick-badge{display:inline-block;font-family:var(--font-mono);font-size:8.5px;padding:1px 6px;border-radius:2px;background:var(--info-bg);color:var(--info);border:1px solid #c6d8f0;margin-left:6px;vertical-align:middle;letter-spacing:.04em;}
.ai-reason{font-family:var(--font-mono);font-size:10px;color:var(--info);margin:3px 0 6px;font-style:italic;}

/* ── angle picker ── */
.picker-section{margin-bottom:12px;}
.picker-label{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-4);margin-bottom:5px;}
.picker-pills{display:flex;gap:5px;flex-wrap:wrap;}
.pill{font-family:var(--font-mono);font-size:10px;padding:5px 11px;border:1px solid var(--border);border-radius:20px;background:var(--inset);color:var(--ink-3);cursor:pointer;display:flex;flex-direction:column;align-items:center;line-height:1.2;transition:border-color .12s,background .12s,color .12s;}
.pill:hover{border-color:var(--amber);color:var(--amber-dim);}
.pill.active{background:var(--amber);border-color:var(--amber-dim);color:#fff;}
.pill-sub{font-size:8px;opacity:.75;}
.picker-select{background:var(--inset);border:1px solid var(--border);color:var(--ink-1);font-family:var(--font-mono);font-size:10.5px;padding:5px 7px;border-radius:var(--r);width:100%;margin-bottom:6px;}
.picker-select:focus{outline:none;border-color:var(--amber);}
.picker-hr{border:none;border-top:1px solid var(--border-soft);margin:10px 0;}

/* ── category grid ── */
.selection-summary{position:sticky;top:0;z-index:5;background:rgba(253,250,246,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--border);padding:10px 0;margin-bottom:20px;}
.selection-summary .inner{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.counter{font-family:var(--font-mono);font-size:12.5px;color:var(--ink-3);}
.counter b{color:var(--amber);font-size:15px;}
.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:16px;}
.cat-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--r);padding:16px 18px;}
.cat-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:5px;}
.cat-id{font-family:var(--font-mono);font-size:10.5px;color:var(--info);}
.cat-name{font-family:var(--font-display);font-size:20px;letter-spacing:.01em;margin:2px 0 3px;}
.cat-purpose{font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-4);}
.cat-az{font-family:var(--font-mono);font-size:10.5px;color:var(--ink-4);white-space:nowrap;}
.cat-desc{font-size:12.5px;color:var(--ink-3);margin:7px 0 12px;}
.cat-select-all{font-family:var(--font-mono);font-size:10.5px;color:var(--amber);cursor:pointer;background:none;border:none;padding:0;margin-bottom:8px;text-decoration:underline;}
.variation-row{border-top:1px solid var(--border-soft);padding:9px 0;transition:background .12s;}
.variation-row.is-selected{background:var(--amber-bg);border-radius:var(--r);}
.v-top{display:flex;align-items:flex-start;gap:9px;}
.variation-row input[type=checkbox]{margin-top:3px;accent-color:var(--amber);width:14px;height:14px;flex-shrink:0;}
.v-label{font-size:13px;font-weight:600;color:var(--ink-1);}
.v-tags{font-family:var(--font-mono);font-size:10px;color:var(--ink-4);margin:2px 0 5px;}
.v-desc{font-size:12px;color:var(--ink-3);margin-bottom:7px;}
.v-controls{display:flex;gap:7px;flex-wrap:wrap;}
.v-controls select{background:var(--inset);border:1px solid var(--border);color:var(--ink-1);font-family:var(--font-mono);font-size:11px;padding:4px 7px;border-radius:var(--r);}

/* ── progress ── */
.shot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;}
.shot-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;position:relative;}
.shot-thumb{aspect-ratio:16/10;background:var(--raised);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;}
.shot-thumb img{width:100%;height:100%;object-fit:cover;display:block;cursor:zoom-in;}
.dl-btn{position:absolute;bottom:6px;right:6px;width:26px;height:26px;border-radius:50%;background:rgba(26,23,20,.72);color:#fff;border:none;cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s;z-index:2;}
.shot-card:hover .dl-btn{opacity:1;}
.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--amber);border-radius:50%;animation:spin .9s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}
.shot-meta{padding:9px 11px;}
.shot-cat{font-family:var(--font-mono);font-size:9.5px;color:var(--info);text-transform:uppercase;letter-spacing:.05em;}
.shot-label{font-size:12px;font-weight:600;margin:2px 0 3px;}
.shot-tech{font-family:var(--font-mono);font-size:10px;color:var(--ink-4);}
.badge{position:absolute;top:7px;right:7px;font-family:var(--font-mono);font-size:9px;padding:2px 6px;border-radius:2px;text-transform:uppercase;letter-spacing:.05em;font-weight:600;}
.badge.pending{background:var(--raised);color:var(--ink-3);}
.badge.generating,.badge.validating{background:var(--info-bg);color:var(--info);}
.badge.passed{background:var(--pass-bg);color:var(--pass);}
.badge.warn{background:var(--warn-bg);color:var(--warn);}
.badge.error{background:var(--fail-bg);color:var(--fail);}
.badge.cancelled{background:var(--raised);color:var(--ink-4);}
.stop-btn{position:absolute;top:6px;left:6px;width:22px;height:22px;border-radius:50%;background:rgba(160,58,52,.85);border:none;color:#fff;font-size:11px;line-height:22px;text-align:center;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:opacity .12s;}
.stop-btn:hover{opacity:.8;}
.stop-btn.hidden{display:none!important;}

/* ── lightbox ── */
#lightbox{position:fixed;inset:0;background:rgba(26,23,20,.88);display:none;align-items:center;justify-content:center;z-index:50;padding:40px;flex-direction:column;}
#lightbox.open{display:flex;}
#lightbox img{max-width:100%;max-height:72vh;border-radius:var(--r);}
.lb-info{font-family:var(--font-mono);font-size:11.5px;color:rgba(253,250,246,.7);margin-top:10px;max-width:680px;text-align:center;}
.lb-close{position:absolute;top:20px;right:28px;color:rgba(253,250,246,.6);font-family:var(--font-mono);cursor:pointer;font-size:12px;}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(26,23,20,.55);color:#fff;border:none;width:44px;height:44px;border-radius:50%;cursor:pointer;font-size:20px;display:flex;align-items:center;justify-content:center;transition:background .15s;z-index:10;}
.lb-nav:hover:not(:disabled){background:rgba(26,23,20,.9);}
.lb-nav:disabled{opacity:.25;cursor:default;}
.lb-nav-prev{left:24px;}
.lb-nav-next{right:24px;}
.lb-footer{display:flex;align-items:center;gap:14px;margin-top:10px;}
.lb-counter{font-family:var(--font-mono);font-size:11px;color:rgba(253,250,246,.5);}
.lb-dl{background:rgba(193,125,46,.18);border:1px solid rgba(193,125,46,.4);color:var(--amber);font-family:var(--font-mono);font-size:11px;padding:5px 12px;border-radius:var(--r);cursor:pointer;transition:background .15s;}
.lb-dl:hover{background:rgba(193,125,46,.32);}

/* ── 3D Angle Match — standalone tool band ── */
.match-tool-band{
  background:var(--panel);
  margin-top:0;
  padding-bottom:60px;
}
.match-tool-band .wrap{padding-top:0;}
.match-hero{
  padding:44px 0 32px;
  border-bottom:1px solid var(--border);
  margin-bottom:0;
}
h2.match-title{
  font-family:var(--font-display);
  font-size:clamp(32px,5vw,64px);
  letter-spacing:.01em;
  margin:0 0 10px;
  line-height:.92;
  color:var(--ink-1);
}
h2.match-title span{color:var(--amber);}
.match-input-label{
  font-family:var(--font-mono);
  font-size:10px;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--ink-4);
  margin-bottom:6px;
}
/* override default section border for the match section inside the band */
.match-tool-band section{border-bottom:none;}
/* per-variation card action buttons */
.match-card-btns{display:flex;gap:5px;margin-top:7px;}
.match-card-btns .btn{flex:1;padding:5px 0;font-size:10px;}

/* ── Comparison slider modal ── */
#compareModal{
  position:fixed;inset:0;
  background:rgba(20,18,16,.95);
  display:none;flex-direction:column;
  align-items:center;justify-content:center;
  z-index:60;padding:20px;gap:14px;
}
#compareModal.open{display:flex;}
.cs-topbar{
  width:100%;max-width:1280px;
  display:flex;align-items:center;justify-content:space-between;
}
.cs-title{
  font-family:var(--font-mono);font-size:13px;
  color:rgba(253,250,246,.75);letter-spacing:.08em;text-transform:uppercase;
}
.cs-close-btn{
  font-family:var(--font-mono);font-size:12px;
  color:rgba(253,250,246,.6);background:none;border:none;cursor:pointer;
  letter-spacing:.05em;padding:4px 8px;
}
.cs-close-btn:hover{color:#fff;}

/* Slider container */
.cs-wrap{
  position:relative;
  width:min(90vw,1280px);
  max-height:72vh;
  overflow:hidden;
  border-radius:var(--r);
  background:#000;
  user-select:none;
  cursor:ew-resize;
}
/* Base image (3D render) fills the container */
.cs-base{
  display:block;width:100%;height:auto;
  max-height:72vh;object-fit:contain;
}
/* Overlay clip: generated plate revealed on the left of the handle */
.cs-overlay-clip{
  position:absolute;top:0;left:0;bottom:0;
  width:50%;overflow:hidden;
}
.cs-overlay-img{
  position:absolute;top:0;left:0;
  height:100%;
  /* width is set by JS to match .cs-wrap pixel width */
}
/* Drag handle — line is pointer-events:none so clicks fall through to wrap */
.cs-handle{
  position:absolute;top:0;bottom:0;left:50%;
  width:3px;background:#fff;
  transform:translateX(-50%);
  z-index:4;pointer-events:none;
}
.cs-knob{
  position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);
  width:42px;height:42px;border-radius:50%;
  background:#fff;color:#222;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-family:var(--font-body);
  box-shadow:0 2px 10px rgba(0,0,0,.45);
  pointer-events:all;cursor:ew-resize;
  touch-action:none;
}
/* Side labels */
.cs-side-label{
  position:absolute;bottom:12px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;
  color:rgba(255,255,255,.8);
  background:rgba(20,18,16,.55);padding:3px 8px;border-radius:2px;
  z-index:3;pointer-events:none;
}
.cs-side-left{left:12px;}
.cs-side-right{right:12px;}
/* 4-column result grid: render + 3 variations */
.match-result-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:12px;}
@media(max-width:900px){.match-result-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:540px){.match-result-grid{grid-template-columns:1fr;}}

.hidden{display:none !important;}
footer{padding:28px 0 50px;text-align:center;color:var(--ink-4);font-family:var(--font-mono);font-size:11px;}