/* ===== Design tokens (navy / teal / off-white — matches brand family) ===== */
:root{
  --navy-900:#0b1e33;
  --navy-800:#102a44;
  --navy-700:#163a5c;
  --navy-600:#3a6d94;
  --teal-500:#1faa83;
  --teal-300:#7fd4c1;
  --gold-400:#ffcf6b;
  --violet-500:#7c6bd0;
  --off-white:#f7fbff;
  --off-white-2:#eef4fa;
  --line:#dfeaf5;
  --text-body:#25405a;
  --text-muted:#5c7791;
  --danger:#c0433a;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 10px 30px rgba(11,30,51,.08);
  --safe-top:env(safe-area-inset-top, 0px);
  --safe-bottom:env(safe-area-inset-bottom, 0px);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
/* Generic visibility utility — several v0.2 review/report elements toggle
   this bare class (in addition to older component-scoped .foo.hidden rules
   kept below for elements that predate this utility). */
.hidden{display:none !important}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo","Malgun Gothic",Roboto,Helvetica,Arial,sans-serif;
  background:var(--off-white-2);
  color:var(--text-body);
  min-height:100vh;
  -webkit-tap-highlight-color:transparent;
}

h1,h2,h3{color:var(--navy-800);margin:0 0 10px;line-height:1.25}
h1{font-size:22px;font-weight:800}
h2{font-size:19px;font-weight:800}
h3{font-size:16px;font-weight:700;margin-top:22px}
p{margin:0 0 12px;font-size:15px;line-height:1.55}
.lead{color:var(--text-muted);font-size:14.5px}

/* ===== top bar ===== */
.topbar{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  padding:calc(12px + var(--safe-top)) 18px 12px;
  background:var(--navy-900);color:var(--off-white);
}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:15px;letter-spacing:.2px}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--teal-300);box-shadow:0 0 0 3px rgba(127,212,193,.25)}
.lang-toggle{
  background:rgba(127,212,193,.14);border:1px solid rgba(127,212,193,.4);color:var(--teal-300);
  font-size:12.5px;font-weight:700;padding:7px 12px;border-radius:999px;cursor:pointer;
}
.topbar-actions{display:flex;align-items:center;gap:8px}
.history-toggle{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);color:var(--off-white);
  font-size:12px;font-weight:700;padding:7px 11px;border-radius:999px;cursor:pointer;
}

/* ===== layout ===== */
main{display:block;padding:18px 14px 60px;max-width:560px;margin:0 auto}
.screen{display:none}
.screen.active{display:block;animation:fadein .25s ease}
@keyframes fadein{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.card{
  background:#fff;border-radius:var(--radius-lg);padding:22px 18px;box-shadow:var(--shadow-card);
}
.card-wide{padding:18px 14px}

.info-box{
  background:var(--off-white-2);border-radius:var(--radius-md);padding:14px 15px;margin:14px 0;
}
.info-box p{margin:0;font-size:13.5px;color:var(--text-body)}
.privacy-box{border:1px solid var(--teal-300)}
.privacy-line{font-weight:700;color:var(--navy-700)}
.privacy-sub{margin-top:8px !important;color:var(--text-muted);font-size:12.5px !important;font-weight:400}

/* ===== buttons ===== */
.btn{
  appearance:none;border:none;cursor:pointer;font-family:inherit;font-weight:700;font-size:15px;
  border-radius:var(--radius-md);padding:14px 18px;min-height:48px;transition:opacity .15s,transform .1s;
}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-block{width:100%;display:block;margin-top:10px}
.btn-primary{background:var(--navy-800);color:#fff}
.btn-primary:not(:disabled):hover{background:var(--navy-700)}
.btn-secondary{background:var(--teal-500);color:#fff}
.btn-ghost{background:transparent;color:var(--navy-700);border:1.5px solid var(--line)}
.btn-icon{background:var(--off-white-2);color:var(--navy-800);width:44px;height:44px;min-height:44px;padding:0;font-size:20px;border-radius:var(--radius-sm)}
.btn-tab{flex:1;background:var(--off-white-2);color:var(--text-muted);border-radius:999px;padding:11px 10px;font-size:13.5px}
.btn-tab.active{background:var(--navy-800);color:#fff}

/* ===== consent ===== */
.check-row{display:flex;align-items:flex-start;gap:10px;margin:14px 0;font-size:13.5px;color:var(--text-body);cursor:pointer}
.check-row input{width:20px;height:20px;flex:none;margin-top:1px;accent-color:var(--teal-500)}

/* ===== capture ===== */
.mode-switch{display:flex;gap:8px;margin:14px 0 16px}
.panel.hidden{display:none}
.camera-stage{
  position:relative;width:100%;aspect-ratio:3/4;background:#0b1e33;border-radius:var(--radius-md);overflow:hidden;
}
.camera-stage video{width:100%;height:100%;object-fit:cover;display:block}
.guide-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.guide-overlay ellipse,.guide-overlay path{fill:none;stroke:rgba(255,255,255,.55);stroke-width:2;stroke-dasharray:6 5}
.countdown-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:rgba(11,30,51,.55);color:#fff;
}
.countdown-overlay.hidden{display:none}
.countdown-overlay #countdownNum{font-size:64px;font-weight:800;color:var(--gold-400)}
.camera-controls{display:flex;gap:10px;margin-top:14px}
.camera-controls .btn-primary{flex:1.4}
.camera-controls .btn-ghost{flex:1}
.error-text{color:var(--danger);font-size:13px;margin-top:10px}
.error-text.hidden{display:none}

.upload-drop{
  display:flex;align-items:center;justify-content:center;text-align:center;
  border:2px dashed var(--teal-300);border-radius:var(--radius-md);padding:46px 16px;
  color:var(--navy-700);font-weight:700;font-size:14.5px;background:var(--off-white-2);cursor:pointer;
}
.capture-guidance{font-size:12.5px;color:var(--navy-600);margin-top:-6px}

/* ===== view progress indicator (v0.4) ===== */
.view-progress{display:flex;gap:6px;flex-wrap:wrap;font-size:12px;color:var(--text-muted);font-weight:700;margin-bottom:10px}
.view-progress:empty{display:none}
.view-progress-item{opacity:.55}
.view-progress-item.done{opacity:1;color:var(--teal-500)}
.view-progress-sep{opacity:.4}

/* ===== review screen (v0.2 — auto-derived, zero manual points) ===== */
.detect-status{font-size:13.5px;color:var(--navy-700);font-weight:700;margin:8px 0}
.detect-status.hidden{display:none}
.warn-text{font-size:13px;color:#8a5a00;background:#fff6e0;border-radius:var(--radius-sm);padding:9px 12px;margin:10px 0}
.warn-text.hidden{display:none}
.error-box{border:1px solid var(--danger)}
.error-box p{color:#7a2a23}
.hand-gate-box{border:1px solid var(--gold-400);background:#fff6e0}
.hand-gate-box p{color:#8a5a00;margin:0}
#handGatePanel .btn-ghost{margin-top:8px}

.review-canvas-wrap{
  position:relative;width:100%;border-radius:var(--radius-md);overflow:hidden;background:#e7edf3;
}
.review-canvas-wrap canvas{width:100%;height:auto;display:block}

/* ===== user reference lines + contour toggle (v0.4 amendment) ===== */
.report-canvas-wrap canvas,.review-canvas-wrap canvas{touch-action:none;cursor:crosshair}
.line-tools-row{display:flex;gap:8px;margin-top:10px}
.line-tools-row .btn{flex:1}
.toggle-row{display:flex;justify-content:flex-end;gap:8px;margin-top:8px;flex-wrap:wrap}
.toggle-row-global{margin-bottom:4px}

.anchor-dot{
  position:absolute;width:26px;height:26px;border-radius:50%;
  transform:translate(-50%,-50%);
  background:var(--teal-500);border:3px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,.35);
  touch-action:none;cursor:grab;
}
.anchor-dot:active{cursor:grabbing}
.anchor-hint{font-size:12px;color:var(--text-muted);margin:8px 0 0}
.severity-legend{font-size:12px;color:var(--text-muted);margin:8px 0 0}

/* ===== report ===== */
.report-canvas-wrap{width:100%;border-radius:var(--radius-md);overflow:hidden;background:#e7edf3;margin-bottom:6px}
.report-canvas-wrap canvas{width:100%;display:block}
.silhouette-toggle-row,.severity-toggle-row{display:flex;justify-content:flex-end;margin-top:8px}
.btn-sm{padding:8px 12px;min-height:36px;font-size:12.5px;border-radius:999px}
.ideal-caption{font-size:11.5px;color:var(--text-muted);font-style:italic;text-align:right;margin:2px 0 0}
.observations-list{list-style:none;margin:0 0 10px;padding:0;display:flex;flex-direction:column;gap:8px}
.observations-list li{
  background:var(--off-white-2);border-left:3px solid var(--teal-500);border-radius:var(--radius-sm);
  padding:10px 12px;font-size:13.8px;color:var(--text-body);
}
.groove-copy{font-size:13.5px;color:var(--text-body)}

/* ===== v0.4 combined report — per-view sections ===== */
.view-report-section{margin-bottom:8px}
.view-report-section.hidden{display:none}
.view-section-title{border-top:1px solid var(--line);padding-top:16px;margin-top:18px}
#sideReportSection .view-section-title{border-top:none;padding-top:0;margin-top:0}
.groove-view-check{background:var(--off-white-2);border-radius:var(--radius-md);padding:12px 14px;margin:10px 0 4px}

.continue-views-panel{background:var(--off-white-2);border-radius:var(--radius-md);padding:16px;margin:18px 0}
.continue-views-panel h3{margin-top:0}
.continue-views-panel.hidden{display:none}

.email-gate{background:var(--navy-900);color:var(--off-white);border-radius:var(--radius-md);padding:18px 16px;margin-top:20px}
.email-gate h3{color:#fff;margin-top:0}
.email-gate p{color:#c4d6e6;font-size:13.5px}
.email-gate input{
  width:100%;padding:13px 14px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.08);color:#fff;font-size:15px;margin-bottom:8px;
}
.email-gate input::placeholder{color:#8ea9c2}
.thanks-text{color:var(--teal-300);font-weight:700;font-size:13.5px;margin-top:8px}
.thanks-text.hidden{display:none}

#workCanvas{display:none}

/* ===== history screen (v0.4 Part B) ===== */
.history-list{display:flex;flex-direction:column;gap:12px;margin:14px 0}
.history-card{background:var(--off-white-2);border-radius:var(--radius-md);padding:12px 14px}
.history-card-head{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.history-card-date{font-size:13px;font-weight:700;color:var(--navy-700)}
.history-card-badges{font-size:12px;color:var(--teal-500);font-weight:700}
.history-card-actions{display:flex;gap:8px;margin-top:10px}
.history-card-actions .btn{flex:1}
.history-detail{margin-top:12px;display:flex;flex-direction:column;gap:14px}
.history-detail.hidden{display:none}
.history-view-block img{width:100%;border-radius:var(--radius-sm);display:block;margin-bottom:8px}
.history-empty.hidden{display:none}

@media (min-width:600px){
  main{padding-top:26px}
  .card{padding:30px 28px}
}