:root{
  --oot-primary:#0f766e;
  --oot-primary-dark:#115e59;
  --oot-accent:#14b8a6;
  --oot-bg:#f5f7fb;
  --oot-card:#ffffff;
  --oot-text:#172033;
  --oot-muted:#5f6b7a;
  --oot-border:#dce3ec;
  --oot-success:#15803d;
  --oot-warning:#b45309;
  --oot-danger:#b91c1c;
  --oot-shadow:0 12px 30px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
body.oot-device-tool{margin:0;background:var(--oot-bg);color:var(--oot-text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}
.oot-device-tool .device-hero{padding:54px 20px 34px;text-align:center;background:linear-gradient(135deg,#ecfeff 0%,#f0fdfa 48%,#f8fafc 100%);border-bottom:1px solid var(--oot-border)}
.oot-device-tool .device-hero__icon{width:72px;height:72px;border-radius:22px;display:inline-flex;align-items:center;justify-content:center;background:#fff;color:var(--oot-primary);font-size:32px;box-shadow:var(--oot-shadow);margin-bottom:16px}
.oot-device-tool .device-hero h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.15;margin:0 auto 12px;max-width:900px}
.oot-device-tool .device-hero p{max-width:760px;margin:0 auto;color:var(--oot-muted);font-size:1.05rem}
.oot-device-tool .device-shell{width:min(1120px,calc(100% - 30px));margin:28px auto 56px}
.oot-device-tool .privacy-note{display:flex;gap:12px;align-items:flex-start;background:#ecfdf5;border:1px solid #a7f3d0;padding:14px 16px;border-radius:14px;color:#166534;margin:0 0 20px}
.oot-device-tool .tool-card,.oot-device-tool .info-card{background:var(--oot-card);border:1px solid var(--oot-border);border-radius:20px;box-shadow:var(--oot-shadow)}
.oot-device-tool .tool-card{padding:clamp(18px,4vw,32px)}
.oot-device-tool .toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:20px}
.oot-device-tool button,.oot-device-tool .button-link{appearance:none;border:0;border-radius:12px;padding:12px 16px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;transition:.2s ease}
.oot-device-tool .btn-primary{background:var(--oot-primary);color:#fff}
.oot-device-tool .btn-primary:hover{background:var(--oot-primary-dark);transform:translateY(-1px)}
.oot-device-tool .btn-secondary{background:#eef2f7;color:#253046;border:1px solid var(--oot-border)}
.oot-device-tool .btn-danger{background:#fee2e2;color:#991b1b}
.oot-device-tool button:disabled{opacity:.55;cursor:not-allowed;transform:none}
.oot-device-tool .status{padding:13px 15px;border-radius:12px;background:#f1f5f9;color:#334155;margin:14px 0}
.oot-device-tool .status.success{background:#dcfce7;color:#166534}
.oot-device-tool .status.warning{background:#fef3c7;color:#92400e}
.oot-device-tool .status.error{background:#fee2e2;color:#991b1b}
.oot-device-tool .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.oot-device-tool .metric{border:1px solid var(--oot-border);border-radius:16px;padding:16px;background:#fbfdff;min-width:0}
.oot-device-tool .metric-label{font-size:.82rem;font-weight:800;color:var(--oot-muted);text-transform:uppercase;letter-spacing:.04em}
.oot-device-tool .metric-value{font-size:1.12rem;font-weight:800;margin-top:6px;overflow-wrap:anywhere}
.oot-device-tool .metric-note{font-size:.88rem;color:var(--oot-muted);margin-top:5px}
.oot-device-tool .section-title{font-size:1.3rem;margin:28px 0 12px}
.oot-device-tool .progress{height:12px;border-radius:999px;background:#e2e8f0;overflow:hidden}
.oot-device-tool .progress>span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--oot-primary),var(--oot-accent));transition:width .25s}
.oot-device-tool input,.oot-device-tool select,.oot-device-tool textarea{width:100%;border:1px solid var(--oot-border);border-radius:12px;padding:12px 13px;font:inherit;background:#fff;color:var(--oot-text)}
.oot-device-tool input:focus,.oot-device-tool select:focus,.oot-device-tool textarea:focus{outline:3px solid rgba(20,184,166,.18);border-color:var(--oot-accent)}
.oot-device-tool .test-pad{border:2px dashed #94a3b8;border-radius:18px;min-height:230px;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px;background:#f8fafc;touch-action:none;user-select:none}
.oot-device-tool .test-pad.active{border-color:var(--oot-primary);background:#ecfeff}
.oot-device-tool .meter{height:110px;display:flex;align-items:flex-end;gap:4px;padding:12px;border-radius:14px;background:#0f172a}
.oot-device-tool .meter span{flex:1;min-width:3px;height:5%;background:#2dd4bf;border-radius:3px 3px 0 0}
.oot-device-tool table{width:100%;border-collapse:collapse;min-width:620px}
.oot-device-tool .table-wrap{overflow:auto;border:1px solid var(--oot-border);border-radius:14px}
.oot-device-tool th,.oot-device-tool td{text-align:left;padding:12px;border-bottom:1px solid var(--oot-border);vertical-align:top}
.oot-device-tool th{background:#f8fafc}
.oot-device-tool code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#eef2f7;padding:2px 6px;border-radius:6px;overflow-wrap:anywhere}
.oot-device-tool .content-section{margin-top:28px;background:#fff;border:1px solid var(--oot-border);border-radius:20px;padding:clamp(18px,4vw,30px)}
.oot-device-tool .content-section h2{margin-top:0}
.oot-device-tool .content-section li+li{margin-top:7px}
.oot-device-tool .chip{display:inline-flex;padding:6px 9px;border-radius:999px;background:#e2e8f0;color:#334155;font-size:.8rem;font-weight:800}
.oot-device-tool .chip.good{background:#dcfce7;color:#166534}
.oot-device-tool .chip.warn{background:#fef3c7;color:#92400e}
.oot-device-tool .chip.bad{background:#fee2e2;color:#991b1b}
.oot-device-tool .canvas-wrap{width:100%;overflow:hidden;border:1px solid var(--oot-border);border-radius:16px;background:#0f172a}
.oot-device-tool canvas{display:block;max-width:100%}
.oot-device-tool .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:720px){
  .oot-device-tool .device-hero{padding:38px 16px 26px}
  .oot-device-tool .device-shell{width:min(100% - 20px,1120px);margin-top:18px}
  .oot-device-tool .toolbar>*{width:100%}
  .oot-device-tool .grid{grid-template-columns:1fr}
  .oot-device-tool .tool-card{border-radius:16px}
  .oot-device-tool .metric{padding:14px}
}
@media print{
  .oot-device-tool .toolbar,.oot-device-tool .search-container,.oot-device-tool header,.oot-device-tool footer{display:none!important}
  .oot-device-tool .tool-card,.oot-device-tool .info-card,.oot-device-tool .content-section{box-shadow:none}
}

.oot-device-tool .tool-directory{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.oot-device-tool .directory-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--oot-border);border-radius:18px;padding:18px;text-decoration:none;color:var(--oot-text);box-shadow:var(--oot-shadow);transition:.2s ease}
.oot-device-tool .directory-card:hover{transform:translateY(-3px);border-color:#99f6e4}
.oot-device-tool .directory-card i{font-size:24px;color:var(--oot-primary)}
.oot-device-tool .directory-card h3{margin:0;font-size:1.05rem}
.oot-device-tool .directory-card p{margin:0;color:var(--oot-muted);font-size:.92rem}
.oot-device-tool .category-heading{margin:32px 0 14px}


[hidden]{display:none!important}
.oot-device-tool .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.oot-device-tool .field{display:flex;flex-direction:column;gap:7px}
.oot-device-tool .field label{font-weight:800;font-size:.92rem}
.oot-device-tool .field small{color:var(--oot-muted)}
.oot-device-tool .input-row{display:flex;gap:10px;align-items:flex-end}
.oot-device-tool .input-row .field{flex:1}
.oot-device-tool .result-panel{margin-top:18px;padding:18px;border:1px solid var(--oot-border);border-radius:16px;background:#fbfdff}
.oot-device-tool .result-panel h3{margin:0 0 12px}
.oot-device-tool .raw-panel{margin-top:16px}
.oot-device-tool pre{margin:0;max-height:340px;overflow:auto;padding:15px;border-radius:14px;background:#0f172a;color:#e2e8f0;font-size:.86rem;white-space:pre-wrap;overflow-wrap:anywhere}
.oot-device-tool .badge-row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.oot-device-tool .pill{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;background:#e2e8f0;color:#334155;font-size:.82rem;font-weight:800}
.oot-device-tool .pill.good{background:#dcfce7;color:#166534}
.oot-device-tool .pill.warn{background:#fef3c7;color:#92400e}
.oot-device-tool .pill.bad{background:#fee2e2;color:#991b1b}
.oot-device-tool .media-stage{position:relative;min-height:280px;border-radius:18px;overflow:hidden;background:#0f172a;display:flex;align-items:center;justify-content:center}
.oot-device-tool .media-stage video{display:block;width:100%;max-height:560px;object-fit:contain;background:#000}
.oot-device-tool .media-stage video.mirrored{transform:scaleX(-1)}
.oot-device-tool .media-placeholder{color:#cbd5e1;text-align:center;padding:30px}
.oot-device-tool .media-placeholder i{font-size:44px;display:block;margin-bottom:12px}
.oot-device-tool .audio-meter{height:18px;border-radius:999px;background:#e2e8f0;overflow:hidden}
.oot-device-tool .audio-meter>span{display:block;height:100%;width:0;background:linear-gradient(90deg,#22c55e,#eab308,#ef4444);transition:width .08s}
.oot-device-tool .split-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:18px}
.oot-device-tool .stack{display:flex;flex-direction:column;gap:14px}
.oot-device-tool .tab-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.oot-device-tool .tab-button{background:#eef2f7;color:#334155;border:1px solid var(--oot-border)}
.oot-device-tool .tab-button[aria-selected="true"]{background:var(--oot-primary);color:#fff;border-color:var(--oot-primary)}
.oot-device-tool .map-frame{width:100%;height:340px;border:0;border-radius:16px;background:#e2e8f0}
.oot-device-tool .notice{padding:13px 15px;border-radius:12px;background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}
.oot-device-tool .notice.warning{background:#fff7ed;color:#9a3412;border-color:#fed7aa}
.oot-device-tool .notice.danger{background:#fef2f2;color:#991b1b;border-color:#fecaca}
.oot-device-tool .kv-list{display:grid;gap:10px}
.oot-device-tool .kv-row{display:grid;grid-template-columns:minmax(150px,.4fr) minmax(0,1fr);gap:14px;padding:11px 0;border-bottom:1px solid var(--oot-border)}
.oot-device-tool .kv-row:last-child{border-bottom:0}
.oot-device-tool .kv-row strong{color:#475569}
.oot-device-tool .canvas-preview{width:100%;max-width:560px;border:1px solid var(--oot-border);border-radius:14px;background:#fff}
.oot-device-tool .score-wrap{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.oot-device-tool .score-ring{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--oot-primary) var(--score,0%),#e2e8f0 0);position:relative}
.oot-device-tool .score-ring::after{content:"";position:absolute;inset:9px;background:#fff;border-radius:50%}
.oot-device-tool .score-ring strong{position:relative;z-index:1;font-size:1.3rem}
.oot-device-tool .screen-pattern-stage{min-height:360px;border-radius:18px;overflow:hidden;border:1px solid var(--oot-border);position:relative;background:#111;display:grid;place-items:center}
.oot-device-tool .screen-pattern-stage canvas{width:100%;height:100%;min-height:360px}
.oot-device-tool .fullscreen-test{position:fixed;inset:0;z-index:99999;background:#000;display:grid;place-items:center;cursor:none}
.oot-device-tool .fullscreen-test .exit-hint{position:absolute;top:18px;right:18px;padding:8px 11px;border-radius:999px;background:rgba(0,0,0,.55);color:#fff;font-size:.82rem;cursor:pointer}
.oot-device-tool .screen-controls{display:flex;flex-wrap:wrap;gap:8px}
.oot-device-tool .screen-controls button{min-width:110px}
.oot-device-tool .snapshot-preview{max-width:100%;border-radius:14px;border:1px solid var(--oot-border)}
.oot-device-tool .inline-actions{display:flex;flex-wrap:wrap;gap:10px}
.oot-device-tool .check-list{display:grid;gap:10px}
.oot-device-tool .check-item{display:flex;align-items:flex-start;gap:10px;padding:12px;border:1px solid var(--oot-border);border-radius:12px;background:#fff}
.oot-device-tool .check-item i{margin-top:4px}
.oot-device-tool .section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:24px 0 12px}
.oot-device-tool .section-head h3{margin:0}
@media(max-width:860px){
  .oot-device-tool .split-layout{grid-template-columns:1fr}
}
@media(max-width:720px){
  .oot-device-tool .form-grid{grid-template-columns:1fr}
  .oot-device-tool .input-row{flex-direction:column;align-items:stretch}
  .oot-device-tool .kv-row{grid-template-columns:1fr;gap:4px}
  .oot-device-tool .media-stage{min-height:220px}
  .oot-device-tool .map-frame{height:280px}
  .oot-device-tool .screen-controls button{width:100%}
}