@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Fraunces:ital,wght@0,300;1,300&family=Inter:wght@400;500;600;700;800&family=Raleway:wght@300&display=swap');
  :root{
    --bg:#0a0a0a;
    --surface:#111111;
    --s2:#181818;
    --border:#222222;
    --accent:#3bb8f0;
    --warn:#ff6b00;
    --danger:#ff2d2d;
    --text:#f0f0f0;
    --muted:#666666;
  }
  html.light{
    --bg:#f4f6f8;
    --surface:#ffffff;
    --s2:#f0f2f4;
    --border:#dde1e6;
    --accent:#0ea5d4;
    --warn:#d95e00;
    --danger:#cc1e1e;
    --text:#111418;
    --muted:#8a929e;
  }
  /* Light mode — only entries that can't be handled by variable switching alone */
  html.light .canvas-wrap{background:#e8ecf0;}
  html.light .sl{color:#16a34a;}  /* green badge needs a different shade in light */
  html.light #magnifier{background:#ddd;}
  /* toggle button */
  #theme-toggle{
    display:flex;align-items:center;justify-content:center;
    width:30px;height:30px;border-radius:8px;
    border:1px solid rgba(255,255,255,.08);
    background:rgba(255,255,255,.04);
    color:rgba(255,255,255,.38);cursor:pointer;flex-shrink:0;
    transition:all .2s cubic-bezier(.4,0,.2,1);
    font-size:.85rem;line-height:1;
  }
  #theme-toggle:hover{
    background:rgba(255,255,255,.1);
    border-color:rgba(255,255,255,.16);
    color:rgba(255,255,255,.85);
    transform:translateY(-1px);
    box-shadow:0 3px 10px rgba(0,0,0,.35);
  }
  #theme-toggle:active{ transform:scale(.94); }
  html.light #theme-toggle{ border-color:rgba(0,0,0,.1); background:rgba(0,0,0,.04); color:rgba(0,0,0,.45); }
  html.light #theme-toggle:hover{ background:rgba(0,0,0,.08); color:rgba(0,0,0,.8); }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{height:100%;}
  body{font-family:'Inter',sans-serif;background:radial-gradient(ellipse 80% 60% at 60% 40%,rgba(59,184,240,.04) 0%,transparent 70%),var(--bg);color:var(--text);height:100%;min-height:100vh;display:flex;flex-direction:column;overflow:hidden;}
  header{padding:0 20px;height:52px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;background:var(--bg);flex-shrink:0;}

  /* ── Header ── */
  header h1{font-weight:800;font-size:1rem;letter-spacing:-.01em;}
  header h1 span{color:var(--accent);}
  header h1 em{font-style:normal;color:var(--muted);font-weight:400;font-size:.78rem;}
  .chip{font-size:.6rem;padding:2px 7px;border-radius:20px;letter-spacing:.07em;}
  .chip-blue{background:rgba(88,166,255,.12);color:var(--accent);border:1px solid rgba(88,166,255,.28);}
  .chip-beta{font-family:'DM Mono',monospace;font-size:.55rem;color:#58a6ff;border:1px solid rgba(88,166,255,.27);padding:2px 6px;border-radius:3px;letter-spacing:.06em;opacity:.8;}
  .chip-green{background:rgba(63,185,80,.12);color:var(--accent);border:1px solid rgba(63,185,80,.28);}
  .hdr-right{margin-left:auto;font-size:.55rem;color:var(--muted);opacity:.7;}

  /* ── Layout ── */
  .main{display:grid;grid-template-columns:260px 1fr 300px;flex:1;overflow:hidden;}

  /* ── Left panel ── */
  .panel-left{border-right:1px solid var(--border);background:var(--surface);display:flex;flex-direction:column;overflow:hidden;}
  .pl-scroll{flex:1;overflow-y:auto;}
  .pl-head{font-size:.6rem;font-weight:700;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;padding:14px 12px 6px;}
  .lm-sep{font-size:.58rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--border);padding:12px 12px 4px;}
  .lm-item{display:flex;align-items:flex-start;gap:8px;padding:5px 8px;cursor:pointer;transition:background .12s;border-left:none;margin:1px 6px;border-radius:6px;}
  .lm-item:hover{background:var(--s2);}
  .lm-item.active{background:rgba(59,184,240,.08);box-shadow:inset 2px 0 0 var(--accent);}
  .lm-abbr{font-size:.7rem;font-weight:700;color:var(--muted);display:block;line-height:1.2;}
  .lm-item.active .lm-abbr{color:var(--accent);}
  .lm-item.placed .lm-abbr{color:var(--text);}
  .lm-dot{width:6px;height:6px;border-radius:50%;border:1.5px solid var(--border);flex-shrink:0;margin-top:4px;transition:all .15s;}
  .lm-item.placed .lm-dot{background:var(--accent);border-color:var(--accent);}
  .lm-item.active .lm-dot{background:var(--accent);border-color:var(--accent);}
  .lm-name{color:var(--muted);font-size:.58rem;line-height:1.3;}
  .lm-item.active .lm-name{color:var(--text);}

  .pl-footer{padding:10px 14px;border-top:1px solid var(--border);background:var(--surface);flex-shrink:0;}
  .prog-bar{height:3px;background:var(--border);border-radius:2px;margin-bottom:4px;overflow:hidden;}
  .prog-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .4s;}
  .prog-text{font-size:.6rem;color:var(--muted);}

  /* ── Canvas ── */
  .canvas-wrap{position:relative;overflow:hidden;background:var(--bg);display:flex;align-items:center;justify-content:center;}
  #drop-zone{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--muted);cursor:pointer;transition:all .2s;border:1px dashed var(--border);border-radius:12px;margin:24px;}
  #dz-wordmark{width:min(380px, 55%);height:auto;margin-bottom:8px;opacity:.9;pointer-events:none;}
  #drop-zone:hover,#drop-zone.over{border-color:var(--accent);background:rgba(59,184,240,.03);}
  #upload-input{display:none;}
  #canvas-container{position:absolute;top:0;right:0;bottom:0;left:0;display:none;}
  #img-canvas{position:absolute;top:0;left:0;z-index:1;}
  #grid-canvas{position:absolute;top:0;left:0;pointer-events:none;display:none;z-index:2;}
  #overlay-svg{position:absolute;top:0;left:0;cursor:crosshair;z-index:5;}
  .tb-icon{vertical-align:middle;margin-right:4px;}

  /* magnifier — draggable & resizable */
  #magnifier{position:absolute;top:14px;right:14px;width:160px;height:160px;border-radius:50%;overflow:hidden;background:#000;display:none;pointer-events:none;z-index:30;border:2px solid var(--accent);box-shadow:0 0 0 1px rgba(59,184,240,.2),0 8px 32px rgba(0,0,0,.8);}
  /* resize handle strip at bottom-right of magnifier */
  #mag-resize{position:absolute;bottom:0;right:0;width:22px;height:22px;cursor:nwse-resize;z-index:31;display:flex;align-items:flex-end;justify-content:flex-end;padding:3px;pointer-events:auto;}
  #mag-resize svg{opacity:.5;pointer-events:none;}
  #mag-drag-handle{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;cursor:move;z-index:30;pointer-events:auto;background:transparent;}
  #magnifier:hover #mag-resize svg{opacity:.9;}
  #mag-canvas{position:absolute;top:0;left:0;}
  #mag-crosshair{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:14px;height:14px;pointer-events:none;z-index:2;}

  .placing #overlay-svg{cursor:none;}

  /* toolbar */
  .toolbar{
    position:absolute;bottom:12px;left:50%;transform:translateX(-50%);
    display:flex;gap:4px;
    background:rgba(14,14,14,0.75);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border:1px solid rgba(255,255,255,.07);
    border-radius:12px;padding:5px 6px;z-index:10;white-space:nowrap;
    box-shadow:0 8px 32px rgba(0,0,0,.7),0 1px 0 rgba(255,255,255,.04) inset;
  }
  .tb{
    font-size:.67rem;font-weight:500;letter-spacing:.01em;
    color:rgba(255,255,255,.42);
    border:1px solid transparent;border-radius:7px;
    background:transparent;
    padding:5px 11px;cursor:pointer;
    transition:color .18s ease,background .18s ease,border-color .18s ease,transform .14s ease,box-shadow .18s ease;
    position:relative;
  }
  .tb:hover{
    color:rgba(255,255,255,.88);
    background:rgba(255,255,255,.07);
    border-color:rgba(255,255,255,.1);
    transform:translateY(-1px);
    box-shadow:0 2px 8px rgba(0,0,0,.3);
  }
  .tb:active{ transform:translateY(0) scale(.97); }

  /* Primary — Analyse */
  .tb.primary{
    background:linear-gradient(160deg, #4fcfff 0%, #3bb8f0 45%, #1fa3df 100%);
    color:#000;font-weight:700;border-radius:7px;border:none;
    box-shadow:0 0 0 1px rgba(59,184,240,.35),0 4px 14px rgba(59,184,240,.35),0 1px 0 rgba(255,255,255,.3) inset;
    animation:btn-glow 2.4s ease-in-out infinite;
  }
  .tb.primary:hover{
    background:linear-gradient(160deg,#6fd9ff 0%,#4fcfff 45%,#2db8f5 100%);
    transform:translateY(-1px);
    box-shadow:0 0 0 1px rgba(59,184,240,.5),0 6px 20px rgba(59,184,240,.5),0 1px 0 rgba(255,255,255,.35) inset;
  }
  .tb.primary:active{ transform:translateY(0) scale(.97); }
  .tb.primary:disabled{
    opacity:.28;cursor:default;box-shadow:none;animation:none;
    background:rgba(59,184,240,.3);
  }
  @keyframes btn-glow{
    0%,100%{box-shadow:0 0 0 1px rgba(59,184,240,.3),0 4px 12px rgba(59,184,240,.28),0 1px 0 rgba(255,255,255,.25) inset;}
    50%    {box-shadow:0 0 0 1px rgba(59,184,240,.5),0 4px 20px rgba(59,184,240,.5),0 1px 0 rgba(255,255,255,.3) inset;}
  }
  .tb.active{
    background:rgba(59,184,240,.14);
    color:var(--accent);
    border-color:rgba(59,184,240,.3);
    box-shadow:0 0 0 1px rgba(59,184,240,.15) inset;
  }
  html.light .tb.active{background:rgba(14,165,212,.1);color:var(--accent);}
  html.light .toolbar{
    background:rgba(255,255,255,.82);
    border-color:rgba(0,0,0,.08);
    box-shadow:0 8px 32px rgba(0,0,0,.12),0 1px 0 rgba(255,255,255,.9) inset;
  }
  html.light .tb{ color:rgba(0,0,0,.45); }
  html.light .tb:hover{ color:rgba(0,0,0,.85); background:rgba(0,0,0,.05); border-color:rgba(0,0,0,.1); }

  .zoom-lbl{font-size:.52rem;color:var(--muted);display:flex;align-items:center;padding:0 1px;min-width:28px;letter-spacing:-.01em;}
  #cursor-svg{position:absolute;pointer-events:none;z-index:40;display:none;}

  /* ── Right panel ── */
  .panel-right{border-left:1px solid var(--border);overflow-y:auto;background:var(--surface);}
  .res-header{padding:11px 15px 7px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--surface);z-index:5;}
  .res-header h2{font-weight:800;font-size:.95rem;color:var(--text);letter-spacing:-.01em;}
  .res-header p{font-size:.6rem;color:var(--muted);margin-top:2px;}
  .res-placeholder{padding:22px 15px;text-align:center;color:var(--muted);font-size:.68rem;line-height:1.8;}
  .sec-lbl{font-size:.58rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--border);padding:14px 15px 4px;}
  .m-row{padding:6px 12px;border-bottom:1px solid rgba(255,255,255,.03);display:grid;grid-template-columns:1fr auto auto;gap:5px;align-items:center;font-size:.65rem;}
  .m-row:hover{background:var(--s2);}
  .m-name{color:var(--text);font-size:.7rem;line-height:1.3;}
  .m-name small{display:block;color:var(--muted);font-size:.56rem;}
  .m-val{font-weight:500;text-align:right;min-width:42px;color:var(--text);}
  .m-status{font-size:.56rem;padding:1px 5px;border-radius:4px;text-align:center;min-width:48px;font-weight:600;}
  .sn{color:var(--accent);}
  .sh{color:var(--warn);}
  .sl{color:#3fb950;}
  .m-norm{color:var(--muted);font-size:.56rem;text-align:right;font-family:'DM Mono',monospace;}
  .pt-tip{position:absolute;background:var(--surface);border:1px solid var(--border);border-radius:5px;padding:3px 7px;font-size:.6rem;pointer-events:none;white-space:nowrap;z-index:20;color:var(--accent);display:none;}
  /* ── Mode dropdown ── */
  .mode-wrap{position:relative;display:inline-block;}
  #mode-chip{cursor:pointer;user-select:none;display:inline-flex;align-items:center;gap:5px;font-size:.62rem;padding:4px 10px;border-radius:6px;letter-spacing:.07em;background:rgba(59,184,240,.1);color:var(--accent);border:1px solid rgba(59,184,240,.25);font-weight:600;}
  #mode-chip::after{content:'▾';font-size:.65rem;opacity:.7;}
  #mode-menu{display:none;position:absolute;top:calc(100% + 6px);left:0;background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden;z-index:100;min-width:160px;box-shadow:0 8px 32px rgba(0,0,0,.8);}
  #mode-menu.open{display:block;}
  .mode-item{padding:8px 14px;font-size:.7rem;cursor:pointer;color:var(--muted);transition:background .12s,color .12s;display:flex;align-items:center;gap:8px;}
  .mode-item:hover{background:var(--s2);color:var(--text);}
  .mode-item.active{color:var(--accent);background:rgba(59,184,240,.07);}
  .mode-item .mode-dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex-shrink:0;}
  /* ── Calibration overlay banner ── */
  #calib-banner{position:absolute;top:12px;left:50%;transform:translateX(-50%);background:var(--surface);border:1px solid var(--warn);border-radius:8px;padding:8px 18px;font-size:.7rem;color:var(--warn);z-index:40;pointer-events:none;display:none;white-space:nowrap;box-shadow:0 4px 20px rgba(0,0,0,.5);letter-spacing:.03em;}
  #calib-banner.active{display:block;}
  #calib-banner strong{color:#fff;}
  html.light #calib-banner strong{color:#111;}
  /* ── AI chip states (used during detection animation) ── */
  @keyframes ai-r1{to{transform:rotate(360deg);transform-origin:45px 45px;}}
  @keyframes ai-r2{to{transform:rotate(-360deg);transform-origin:45px 45px;}}
  @keyframes ai-flash{0%,100%{opacity:1}50%{opacity:0.4}}
  @keyframes ai-pop{0%{transform:scale(0.7);opacity:0}60%{transform:scale(1.1)}100%{transform:scale(1);opacity:1}}
  .ai-gc{font-size:9px;font-weight:300;padding:5px 10px;border-radius:6px;letter-spacing:0.06em;border:0.5px solid rgba(255,255,255,0.07);color:rgba(255,255,255,0.18);background:linear-gradient(145deg,rgba(255,255,255,0.04),rgba(255,255,255,0.01));transition:all .12s ease;}
  .ai-gc.scanning{border-color:rgba(0,180,255,0.5);color:rgba(120,210,255,0.9);background:linear-gradient(145deg,rgba(0,180,255,0.12),rgba(0,180,255,0.05));animation:ai-flash .35s ease infinite;}
  .ai-gc.done{border-color:rgba(0,180,255,0.15);color:rgba(0,180,255,0.45);background:linear-gradient(145deg,rgba(0,180,255,0.06),rgba(0,180,255,0.02));animation:ai-pop .2s ease;}
  
  ::-webkit-scrollbar{width:3px;}
  ::-webkit-scrollbar-track{background:transparent;}
  ::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px;}

  #patient-panel{margin-left:auto;display:flex;align-items:center;gap:8px;background:#3bb8f0;border-radius:6px;padding:4px 10px;flex-shrink:0;}
  #patient-panel label{font-size:.55rem;font-weight:700;color:rgba(0,0,0,.6);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;}
  #patient-name{background:transparent;border:none;outline:none;font-family:'DM Mono',monospace;font-size:.68rem;font-weight:600;color:#000;width:130px;}
  #patient-name::placeholder{color:rgba(0,0,0,.45);}
  @media(max-width:680px){#patient-name{width:90px;}#patient-panel label{display:none;}}
  @media(max-width:480px){#patient-panel{display:none;}}

  /* ── Calibration modal ── */
  .calib-ov{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.75);z-index:9999;display:flex;align-items:center;justify-content:center;}
  .calib-box{background:#161b22;border:1px solid #30363d;border-radius:10px;padding:22px 24px;min-width:270px;max-width:88vw;font-family:'DM Mono',monospace;}
  .calib-title{font-size:.8rem;color:#e6edf3;margin-bottom:5px;}
  .calib-sub{font-size:.6rem;color:#7d8590;margin-bottom:13px;}
  .calib-row{display:flex;align-items:center;gap:8px;margin-bottom:14px;}
  .calib-input{flex:1;padding:9px;background:#0d1117;border:1px solid #30363d;border-radius:5px;color:#e6edf3;font-size:.9rem;}
  .calib-input::-webkit-inner-spin-button,
  .calib-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0;}
  .calib-input{-moz-appearance:textfield;}
  .calib-unit{font-size:.7rem;color:#7d8590;}
  .calib-btns{display:flex;gap:10px;}
  .calib-ok{
    flex:1;padding:10px;border:none;border-radius:8px;font-size:.72rem;font-weight:700;letter-spacing:.02em;cursor:pointer;
    background:linear-gradient(160deg,#4fcfff 0%,#3bb8f0 55%,#1fa3df 100%);
    color:#000;
    box-shadow:0 2px 12px rgba(59,184,240,.35),0 1px 0 rgba(255,255,255,.3) inset;
    transition:all .2s cubic-bezier(.4,0,.2,1);
  }
  .calib-ok:hover{
    transform:translateY(-1px);
    box-shadow:0 4px 18px rgba(59,184,240,.5),0 1px 0 rgba(255,255,255,.35) inset;
  }
  .calib-ok:active{ transform:scale(.97); }
  .calib-cancel{
    flex:1;padding:10px;border-radius:8px;font-size:.72rem;cursor:pointer;font-weight:500;letter-spacing:.01em;
    background:rgba(255,255,255,.04);color:rgba(255,255,255,.38);
    border:1px solid rgba(255,255,255,.1);
    transition:all .2s cubic-bezier(.4,0,.2,1);
  }
  .calib-cancel:hover{ background:rgba(255,255,255,.09); color:rgba(255,255,255,.7); border-color:rgba(255,255,255,.18); transform:translateY(-1px); }
  .calib-cancel:active{ transform:scale(.97); }

  /* ── Image adjustment popup ── */
  #img-adj-popup{
    position:absolute;bottom:68px;left:50%;transform:translateX(-50%);
    background:#111;border:1px solid #2a2a2a;border-radius:10px;
    padding:12px 16px;z-index:50;display:none;white-space:nowrap;
    box-shadow:0 8px 32px rgba(0,0,0,.8);min-width:220px;
  }
  #img-adj-popup.open{display:block;}
  .adj-row{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
  .adj-row:last-child{margin-bottom:0;}
  .adj-lbl{font-size:.6rem;color:var(--muted);width:68px;flex-shrink:0;font-family:'DM Mono',monospace;}
  .adj-val{font-size:.6rem;color:var(--accent);font-family:'DM Mono',monospace;width:30px;text-align:right;flex-shrink:0;}
  .adj-slider{-webkit-appearance:none;appearance:none;flex:1;height:3px;background:#2a2a2a;border-radius:2px;outline:none;cursor:pointer;}
  .adj-slider::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:var(--accent);cursor:pointer;}
  .adj-reset{font-size:.55rem;color:var(--muted);cursor:pointer;text-decoration:underline;text-underline-offset:2px;margin-top:4px;display:inline-block;}
  .adj-reset:hover{color:var(--text);}
  html.light #img-adj-popup{background:var(--surface);border-color:var(--border);}
  html.light .adj-slider{background:var(--border);}

  /* ── Results panel entrance animation ── */
  @keyframes row-in{
    from{opacity:0;transform:translateY(8px);}
    to{opacity:1;transform:translateY(0);}
  }
  .m-row-anim{
    animation:row-in .35s ease both;
  }
  @keyframes panel-flash{
    0%{background:rgba(59,184,240,.12);}
    100%{background:transparent;}
  }
  #results-body.flash{animation:panel-flash .5s ease;}

  .ai-badge-wrap{
    display:inline-flex;align-items:center;
    border-radius:5px;flex-shrink:0;
    margin:10px 12px 2px;
    border:1px solid rgba(139,92,246,.25);
    background:rgba(139,92,246,.06);
    animation:ai-badge-breathe 3s ease-in-out infinite;
    transition:transform .12s ease,background .12s ease,border-color .12s ease;
    user-select:none;cursor:pointer;
  }
  .ai-badge-wrap:active{
    transform:scale(0.96);
    background:rgba(139,92,246,.18);
    border-color:rgba(139,92,246,.55);
  }
  .ai-badge-wrap:hover{
    background:rgba(139,92,246,.12);
    border-color:rgba(139,92,246,.4);
  }
  .ai-badge{
    display:inline-flex;align-items:center;gap:6px;
    font-family:'Inter',sans-serif;font-size:.58rem;font-weight:500;
    letter-spacing:.04em;padding:5px 10px 5px 8px;border-radius:4px;
    color:rgba(180,150,240,.8);
    white-space:nowrap;cursor:default;user-select:none;
    width:100%;
  }
  .ai-badge-dot{
    width:5px;height:5px;border-radius:50%;flex-shrink:0;
    background:rgba(160,120,220,.7);
    animation:ai-badge-beat 2.8s ease-in-out infinite;
  }
  .ai-badge-soon{
    font-size:.48rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
    background:rgba(139,92,246,.15);border:1px solid rgba(139,92,246,.25);
    padding:1px 5px;border-radius:3px;color:rgba(180,150,240,.7);
  }
  @keyframes ai-badge-breathe{
    0%,100%{border-color:rgba(139,92,246,.18);background:rgba(139,92,246,.04);}
    50%{border-color:rgba(139,92,246,.35);background:rgba(139,92,246,.09);}
  }
  @keyframes ai-badge-beat{
    0%,100%{opacity:.5;transform:scale(1);}
    50%{opacity:1;transform:scale(1.3);}
  }

  #paywall-modal.open{display:flex;}
  .pw-box{
    background:#111;border:1px solid #2a2a2a;border-radius:16px;
    padding:32px 28px;max-width:380px;width:90%;text-align:center;
    box-shadow:0 20px 60px rgba(0,0,0,.8);
  }
  .pw-icon{font-size:2.2rem;margin-bottom:12px;}
  .pw-title{font-family:'Inter',sans-serif;font-weight:800;font-size:1.1rem;color:#fff;margin-bottom:6px;}
  .pw-sub{font-size:.72rem;color:#666;line-height:1.6;margin-bottom:20px;}
  .pw-btn{
    display:block;width:100%;padding:13px;border-radius:10px;border:none;
    background:linear-gradient(160deg,#4fcfff 0%,#3bb8f0 55%,#1fa3df 100%);
    color:#000;font-family:'Inter',sans-serif;
    font-weight:700;font-size:.8rem;letter-spacing:.02em;cursor:pointer;margin-bottom:10px;
    transition:all .2s cubic-bezier(.4,0,.2,1);
    box-shadow:0 2px 14px rgba(59,184,240,.4),0 1px 0 rgba(255,255,255,.3) inset;
  }
  .pw-btn:hover{
    background:linear-gradient(160deg,#6fd9ff 0%,#4fcfff 55%,#2db8f5 100%);
    transform:translateY(-1px);
    box-shadow:0 5px 22px rgba(59,184,240,.55),0 1px 0 rgba(255,255,255,.35) inset;
  }
  .pw-btn:active{ transform:scale(.98); }
  .pw-btn.secondary{
    background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);
    color:rgba(255,255,255,.38);font-weight:500;
    box-shadow:none;
  }
  .pw-btn.secondary:hover{ background:rgba(255,255,255,.09); color:rgba(255,255,255,.7); border-color:rgba(255,255,255,.18); }
  .pw-trial-badge{
    display:inline-block;margin-bottom:16px;padding:4px 12px;
    background:rgba(59,184,240,.1);border:1px solid rgba(59,184,240,.25);
    border-radius:20px;font-size:.62rem;color:var(--accent);
  }
  .si-perks{margin:16px 0;text-align:left;}
  .si-perk{display:flex;align-items:center;gap:8px;font-size:.65rem;color:#555;margin-bottom:6px;}
  .si-perk span{color:var(--accent);}

  /* ── Feedback ── */
  #fb-btn{
    position:fixed;bottom:20px;right:20px;z-index:1000;
    display:flex;align-items:center;gap:6px;
    padding:7px 14px;border-radius:20px;
    background:rgba(10,10,18,0.6);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border:1px solid rgba(59,184,240,0.3);
    color:#3bb8f0;font-family:'Inter',sans-serif;font-size:.62rem;font-weight:500;letter-spacing:.02em;
    cursor:pointer;
    transition:all .2s cubic-bezier(.4,0,.2,1);
    box-shadow:0 4px 16px rgba(0,0,0,.4),0 1px 0 rgba(255,255,255,.05) inset;
  }
  #fb-btn:hover{
    background:rgba(59,184,240,0.15);
    border-color:rgba(59,184,240,0.6);
    transform:translateY(-1px);
    box-shadow:0 6px 20px rgba(59,184,240,.2),0 1px 0 rgba(255,255,255,.07) inset;
  }
  #fb-btn:active{ transform:scale(.97); }
  @keyframes fb-pop{
    from{opacity:0;transform:translateY(10px) scale(.97);}
    to  {opacity:1;transform:translateY(0)   scale(1);}
  }
  #fb-panel{
    position:fixed;bottom:60px;right:20px;z-index:1001;
    width:300px;
    background:rgba(10,10,20,0.35);
    backdrop-filter:blur(28px);
    -webkit-backdrop-filter:blur(28px);
    border:1px solid rgba(255,255,255,0.14);
    border-radius:14px;padding:20px;
    box-shadow:0 8px 32px rgba(0,0,0,0.4);
    display:none;flex-direction:column;gap:10px;
  }
  #fb-panel.open{display:flex;animation:fb-pop .22s ease-out;}
  #fb-panel h3{font-family:'Inter',sans-serif;font-size:.78rem;font-weight:600;color:#fff;margin:0 0 4px;}
  #fb-panel p{font-size:.6rem;color:rgba(255,255,255,0.55);margin:0 0 8px;}
  .fb-input{
    background:rgba(59,184,240,0.08);border:1px solid rgba(59,184,240,0.3);border-radius:7px;
    padding:8px 10px;color:#fff;font-family:'Inter',sans-serif;
    font-size:.68rem;outline:none;width:100%;box-sizing:border-box;
    transition:border-color .15s;
  }
  .fb-input:focus{border-color:rgba(59,184,240,0.7);}
  .fb-input::placeholder{color:rgba(255,255,255,0.4);}
  textarea.fb-input{resize:none;height:80px;}
  #fb-send{
    padding:10px;border-radius:8px;border:none;
    background:linear-gradient(160deg,#4fcfff 0%,#3bb8f0 55%,#1fa3df 100%);
    color:#000;font-family:'Inter',sans-serif;font-weight:700;font-size:.7rem;letter-spacing:.02em;
    cursor:pointer;
    transition:all .2s cubic-bezier(.4,0,.2,1);
    box-shadow:0 2px 12px rgba(59,184,240,.35),0 1px 0 rgba(255,255,255,.3) inset;
  }
  #fb-send:hover{
    background:linear-gradient(160deg,#6fd9ff 0%,#4fcfff 55%,#2db8f5 100%);
    transform:translateY(-1px);
    box-shadow:0 4px 18px rgba(59,184,240,.5),0 1px 0 rgba(255,255,255,.35) inset;
  }
  #fb-send:active{ transform:scale(.97); }
  #fb-thanks{display:none;text-align:center;font-size:.7rem;color:#3bb8f0;padding:10px 0;}
  /* row-reverse so the ~ sibling selector can highlight stars to the LEFT on hover */
  #fb-stars{display:flex;flex-direction:row-reverse;justify-content:flex-end;gap:4px;margin-bottom:8px;}
  .star{font-size:1.4rem;color:#444;cursor:pointer;transition:color .15s;}
  .star:hover,.star:hover~.star{color:#f5c518;}
  .star.active,.star.active~.star{color:#f5c518;}

  /* ── Scale banner (in results panel) ── */
  .scale-banner{margin:4px 15px 0;padding:6px 10px;border-radius:5px;font-size:.61rem;line-height:1.5;}
  .scale-ok{background:rgba(63,185,80,.07);border:1px solid rgba(63,185,80,.25);color:var(--accent);}
  .scale-warn{background:rgba(240,136,62,.08);border:1px solid rgba(240,136,62,.25);color:var(--warn);}

  /* ── m-val color variants — value is always grey, status badge is colored ── */
  .m-val.muted{color:var(--muted);}

  /* ── m-status N/A ── */
  .m-na{color:var(--muted);}

  /* ── Export button ── */
  #export-btn{
    margin-top:7px;width:100%;font-family:'DM Mono',monospace;font-size:.64rem;
    font-weight:600;letter-spacing:.04em;
    padding:7px 0;border-radius:8px;
    border:1px solid rgba(59,184,240,.3);
    background:linear-gradient(160deg,rgba(59,184,240,.12),rgba(59,184,240,.06));
    color:var(--accent);cursor:pointer;
    transition:all .2s cubic-bezier(.4,0,.2,1);
    box-shadow:0 1px 0 rgba(255,255,255,.05) inset;
  }
  #export-btn:hover{
    background:linear-gradient(160deg,rgba(59,184,240,.22),rgba(59,184,240,.12));
    border-color:rgba(59,184,240,.55);
    transform:translateY(-1px);
    box-shadow:0 4px 14px rgba(59,184,240,.18),0 1px 0 rgba(255,255,255,.08) inset;
  }
  #export-btn:active{ transform:scale(.98); }

  /* ── Invert checkbox row ── */
  .adj-check{accent-color:var(--accent);cursor:pointer;}
  .adj-check-lbl{font-size:.6rem;color:var(--muted);margin-left:4px;font-family:'DM Mono',monospace;}

  /* ── Results placeholder hint ── */
  .res-placeholder-hint{color:var(--accent);opacity:.6;font-size:.65rem;}

  /* ── Analysis mode chips (used in JS-generated HTML) ── */
  .mode-chip-key{font-size:.6rem;padding:2px 8px;border-radius:20px;background:rgba(88,166,255,.12);color:var(--accent);border:1px solid rgba(88,166,255,.28);}
  .mode-chip-mcnamara{font-size:.6rem;padding:2px 8px;border-radius:20px;background:rgba(188,140,255,.12);color:#bc8cff;border:1px solid rgba(188,140,255,.28);}
  .mode-chip-downs{font-size:.6rem;padding:2px 8px;border-radius:20px;background:rgba(240,136,62,.12);color:var(--warn);border:1px solid rgba(240,136,62,.28);}
  .mode-chip-steiner{font-size:.6rem;padding:2px 8px;border-radius:20px;background:rgba(80,200,120,.12);color:#50c878;border:1px solid rgba(80,200,120,.28);}
  .mode-chip-jarabak{font-size:.6rem;padding:2px 8px;border-radius:20px;background:rgba(232,192,108,.12);color:#e8c06c;border:1px solid rgba(232,192,108,.28);}
  .mode-chip-eastman{font-size:.6rem;padding:2px 8px;border-radius:20px;background:rgba(63,185,80,.12);color:var(--accent);border:1px solid rgba(63,185,80,.28);}

  /* ── Upload button in header ── */
  #new-upload-btn{
    display:flex;align-items:center;gap:6px;padding:5px 12px;border-radius:8px;
    border:1px solid rgba(59,184,240,.28);
    background:rgba(59,184,240,.07);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
    color:var(--accent);font-size:.6rem;font-weight:600;letter-spacing:.02em;
    cursor:pointer;flex-shrink:0;
    transition:all .2s cubic-bezier(.4,0,.2,1);
    box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
  }
  #new-upload-btn:hover{
    background:rgba(59,184,240,.15);
    border-color:rgba(59,184,240,.5);
    transform:translateY(-1px);
    box-shadow:0 4px 14px rgba(59,184,240,.2),0 1px 0 rgba(255,255,255,.08) inset;
  }
  #new-upload-btn:active{ transform:scale(.97); }

  /* ── Drop zone text ── */
  .dz-label{color:#3bb8f0;opacity:.85;font-size:.78rem;}
  .dz-hint{opacity:.35;font-size:.62rem;}

  /* ── AI badge NEW chip ── */
  .ai-badge-soon-lit{background:rgba(139,92,246,.3);color:rgba(200,170,255,1);}

  /* ── Landmark hint box ── */
  .hint-box{background:var(--s2);border:none;border-left:3px solid var(--accent);border-radius:0 6px 6px 0;margin:4px 8px;display:none;padding:8px 10px;font-size:.62rem;color:var(--muted);line-height:1.55;}
  .hint-box.visible{display:block;}
  .hint-title{color:var(--accent);font-weight:700;font-size:.65rem;margin-bottom:3px;display:block;}

  /* ── Landmark hint subtitle ── */
  .pl-head-sub{color:var(--muted);font-size:.58rem;}

  /* ── AI overlay ── */
  #ai-overlay{
    display:none;position:absolute;top:0;right:0;bottom:0;left:0;
    background:rgba(5,8,16,0.92);z-index:60;
    flex-direction:column;align-items:center;justify-content:center;
    gap:20px;backdrop-filter:blur(4px);
  }
  #ai-glow{
    position:absolute;width:320px;height:320px;left:50%;top:50%;
    transform:translate(-50%,-50%);
    background:radial-gradient(circle,rgba(0,180,255,0.05) 0%,transparent 70%);
    border-radius:50%;pointer-events:none;
  }
  #ai-ring-wrap{position:relative;width:90px;height:90px;}
  #ai-ring-bg{
    position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;
    background:rgba(0,180,255,0.04);border:1px solid rgba(0,180,255,0.12);
  }
  #ai-ring-canvas{position:absolute;top:0;right:0;bottom:0;left:0;}
  #ai-qc-label{
    position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:200;color:rgba(180,220,255,0.95);letter-spacing:0.18em;
  }
  #ai-status-box{
    width:280px;background:rgba(255,255,255,0.03);
    border:1px solid rgba(255,255,255,0.07);
    border-radius:12px;padding:14px 16px;
    display:flex;flex-direction:column;gap:10px;
  }
  #ai-status-row{display:flex;align-items:center;justify-content:space-between;}
  #ai-status-label{
    font-size:10px;font-weight:300;color:rgba(255,255,255,0.35);
    letter-spacing:0.14em;text-transform:uppercase;
  }
  #ai-pct{font-size:10px;font-weight:300;color:rgba(0,180,255,0.55);letter-spacing:0.04em;}
  #ai-prog-track{height:1px;background:rgba(255,255,255,0.05);border-radius:2px;overflow:hidden;}
  #ai-prog{height:100%;width:0%;border-radius:2px;background:linear-gradient(90deg,#6440ff,#00b4ff);transition:width 0.4s ease;}
  #ai-status{font-size:11.5px;font-weight:300;color:rgba(255,255,255,0.5);letter-spacing:0.02em;}
  #ai-chips{width:280px;display:flex;flex-wrap:wrap;gap:5px;}

/* ══════════════════════════════════
   TABLET / PHONE — TAB LAYOUT
   Breakpoint: ≤1024px
══════════════════════════════════ */

/* Tab bar — hidden on desktop */
#tab-bar{
  display:none;
  background:var(--bg);
  border-bottom:1px solid var(--border);
  flex-shrink:0;
}
.tab-btn{
  flex:1;height:46px;background:transparent;border:none;
  border-bottom:2px solid transparent;
  color:var(--muted);font-weight:600;font-size:.8rem;
  cursor:pointer;letter-spacing:.01em;transition:all .15s;
}
.tab-btn:hover{color:var(--text);}
.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);}

@media(max-width:1024px){
  #tab-bar{display:flex;}

  /* Stack panels — only active one shows */
  .main{display:block;position:relative;flex:1;overflow:hidden;}
  .panel-left,
  .canvas-wrap,
  .panel-right{
    display:none;
    position:absolute;top:0;right:0;bottom:0;left:0;
    overflow-y:auto;
  }
  .panel-left.tab-active{display:flex;flex-direction:column;}
  .canvas-wrap.tab-active{display:flex;}
  .panel-right.tab-active{display:block;}

  /* Larger touch targets */
  .lm-item{padding:10px 12px!important;min-height:48px;align-items:center;}
  .lm-dot{margin-top:0!important;width:11px!important;height:11px!important;}
  .lm-abbr{font-size:.78rem!important;}
  .lm-name{font-size:.65rem!important;}

  /* Toolbar fixed at bottom when image tab active */
  .toolbar{
    position:fixed!important;
    bottom:max(10px, env(safe-area-inset-bottom, 10px));
    left:50%;transform:translateX(-50%);
    overflow-x:auto;scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
    z-index:500;
  }
  .toolbar::-webkit-scrollbar{display:none;}
  .tb{min-height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:center;}

  /* Magnifier fixed top-right */
  #magnifier{position:fixed!important;top:110px!important;right:14px!important;z-index:300;}

  /* Results panel — more breathing room */
  .m-row{padding:10px 14px!important;min-height:48px;}
  .m-name{font-size:.75rem!important;}
  .m-val{font-size:.75rem!important;}
  .m-status{font-size:.65rem!important;}
  .sec-lbl{padding:12px 14px 4px!important;}
}

/* Phone — tighter header */
@media(max-width:600px){
  header h1 em{display:none;}
  #patient-panel{display:none;}
  .hdr-right{display:none;}
  .tab-btn{font-size:.72rem;}
}

/* ── Analysis complete toast (mobile) ── */
.tab-toast{
  position:fixed;top:80px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#000;
  font-size:.7rem;font-weight:600;
  padding:8px 18px;border-radius:8px;
  z-index:9999;cursor:pointer;white-space:nowrap;
  box-shadow:0 4px 16px rgba(0,0,0,.5);
  animation:toast-in .2s ease;
}
@keyframes toast-in{from{opacity:0;transform:translateX(-50%) translateY(-8px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
#ai-disclaimer-toast{
  position:fixed;top:64px;left:50%;transform:translateX(-50%);
  background:rgba(59,184,240,0.15);
  border:1px solid rgba(59,184,240,0.5);
  color:#fff;
  font-size:.65rem;font-family:'Inter',sans-serif;font-weight:500;
  padding:10px 20px;border-radius:10px;
  z-index:9999;white-space:nowrap;
  display:flex;align-items:center;gap:10px;
  box-shadow:0 0 24px rgba(59,184,240,.15);
  animation:toast-in .3s ease;
  transition:opacity .6s ease;
}
#ai-disclaimer-toast::before{
  content:'';display:inline-block;width:6px;height:6px;border-radius:50%;
  background:#3bb8f0;flex-shrink:0;
  box-shadow:0 0 6px rgba(59,184,240,.8);
}
#ai-disclaimer-toast.hide{ opacity:0; }
#header-logo{height:32px !important;width:auto !important;object-fit:contain;margin-right:10px;flex-shrink:0;opacity:.92;}
#header-brand{display:flex;align-items:center;gap:6px;flex-shrink:0;margin-right:10px;}
#header-icon{height:28px;width:auto;object-fit:contain;}
#header-pixel{font-family:'Raleway',sans-serif;font-weight:300;font-size:1.45rem;color:#3bb8f0;letter-spacing:-.01em;line-height:1;}
#ai-qc-label{width:48px !important;height:48px !important;object-fit:contain;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);opacity:.85;}