:root{
  --bg:#f5f7fb;
  --surface:#ffffff;
  --surface-2:#f9fafc;
  --text:#172033;
  --muted:#65728a;
  --line:#dce2ea;
  --accent:#2563eb;
  --accent-dark:#1d4ed8;
  --success:#15803d;
  --danger:#dc2626;
  --warning:#ca8a04;
  --shadow:0 8px 24px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:auto}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}
button,input,textarea,select{font:inherit}
a{color:inherit}.muted{color:var(--muted);line-height:1.5}.app-shell{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:100vh}
.sidebar{padding:20px 16px;border-right:1px solid var(--line);background:var(--surface);position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:20px}
.brand{display:flex;gap:12px;align-items:center}.brand-mark{width:46px;height:46px;border-radius:12px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:900}.brand h1{font-size:19px;margin:0}.brand p{margin:3px 0 0;color:var(--muted);font-size:13px}.nav{display:grid;gap:7px}.nav-link{border:1px solid transparent;text-align:left;color:var(--text);background:transparent;padding:11px 12px;border-radius:10px;cursor:pointer}.nav-link:hover,.nav-link.active{background:#eef4ff;border-color:#c8d9ff;color:var(--accent-dark)}.side-card{margin-top:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface-2);padding:12px;display:flex;gap:10px;align-items:flex-start}.side-card strong{display:block;font-size:14px}.side-card small{display:block;color:var(--muted);margin-top:4px;line-height:1.4}.dot{width:11px;height:11px;border-radius:50%;background:var(--warning);margin-top:4px}.dot.good{background:var(--success)}.dot.bad{background:var(--danger)}
.main{padding:24px;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.eyebrow{color:var(--accent);letter-spacing:.08em;text-transform:uppercase;font-size:12px;margin:0 0 5px}.topbar h2{font-size:30px;line-height:1.1;margin:0}.pill-row{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;align-items:center}.pill{font-size:13px;color:var(--text);border:1px solid var(--line);border-radius:999px;background:var(--surface);padding:8px 11px}.page-section{display:none}.page-section.active{display:block}.grid{display:grid;gap:16px}.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}.cards-4{grid-template-columns:repeat(4,minmax(0,1fr))}.mini{gap:10px}.wide{margin-top:16px}.panel,.metric-card{border:1px solid var(--line);background:var(--surface);border-radius:16px;box-shadow:var(--shadow);padding:18px}.metric-card span{color:var(--accent);font-size:12px;text-transform:uppercase;letter-spacing:.07em}.metric-card strong{display:block;font-size:20px;margin:8px 0 7px}.metric-card p,.panel p{color:var(--muted);line-height:1.5;margin:0}.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:10px}.panel-header h3{margin:0 0 4px;font-size:19px}hr{border:0;border-top:1px solid var(--line);margin:16px 0}
label{display:grid;gap:7px;color:var(--text);font-size:14px;margin-bottom:13px}input,textarea,select{width:100%;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:10px;padding:11px 12px;outline:0}input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.12)}textarea{resize:vertical;line-height:1.5}.codearea{font-family:Consolas,"Courier New",monospace;font-size:13px}.switch{display:flex;grid-template-columns:auto 1fr;align-items:center;gap:10px}.switch input{width:auto}.btn{border:1px solid transparent;border-radius:10px;padding:10px 14px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.small{padding:8px 11px;font-size:13px}.primary{background:var(--accent);color:#fff}.primary:hover{background:var(--accent-dark)}.secondary{background:#e8f0ff;border-color:#c8d9ff;color:var(--accent-dark)}.ghost{background:#fff;border-color:var(--line);color:var(--text)}.button-row{display:flex;gap:9px;flex-wrap:wrap;margin:9px 0 13px}.full{width:100%}.hidden{display:none!important}
.log-box{white-space:pre-wrap;word-break:break-word;border:1px solid var(--line);background:#f8fafc;color:#243044;padding:13px;border-radius:12px;min-height:52px;max-height:240px;overflow:auto;font-size:13px}.timeline-list{margin:0;padding-left:22px;color:#334155;line-height:1.85}.asset-list{display:grid;gap:10px;margin-top:12px;max-height:420px;overflow:auto}.asset-card{border:1px solid var(--line);background:var(--surface-2);border-radius:12px;padding:11px;display:grid;gap:7px}.asset-card strong{font-size:14px}.asset-card small{color:var(--muted)}.asset-card video{width:100%;max-height:220px;border-radius:10px;background:#000}.asset-card audio{width:100%;margin-top:6px}.upload-row{display:grid;grid-template-columns:220px 1fr auto;gap:10px;align-items:center}.compact-upload{grid-template-columns:160px 1fr auto}.emotion-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:16px}.emotion-card{border:1px solid var(--line);background:var(--surface-2);border-radius:13px;padding:11px;display:grid;gap:8px}.emotion-thumb{height:110px;border-radius:10px;background:#fff;border:1px dashed #cbd5e1;display:grid;place-items:center;overflow:hidden}.emotion-thumb img{max-width:100%;max-height:100%;object-fit:contain}.emotion-name{text-transform:capitalize;font-weight:800}.caption-preview-card{height:400px;border-radius:16px;background:#1f2937;display:grid;place-items:center;border:1px solid var(--line);margin-bottom:16px;position:relative;overflow:hidden}.preview-caption{position:relative;font-size:48px;font-weight:950;color:#fff;text-shadow:0 3px 0 #000,0 4px 14px rgba(0,0,0,.8);letter-spacing:-.03em;text-align:center;text-transform:uppercase}.full-media{width:100%;border-radius:14px;background:#000;margin:12px 0}.progress-wrap{height:12px;border-radius:999px;background:#e5e7eb;border:1px solid var(--line);overflow:hidden;margin:16px 0}.progress-bar{height:100%;width:0;background:var(--accent)}.step-text{color:#334155;margin-bottom:10px}.download-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:12px}.toast{position:fixed;right:18px;bottom:18px;z-index:50;background:#fff;color:var(--text);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:13px 15px;opacity:0;pointer-events:none;max-width:420px}.toast.show{opacity:1}.toast.error{border-color:#fecaca;color:#991b1b}.api-doc{font-family:Consolas,"Courier New",monospace;max-height:360px;min-height:260px}input[type="range"]{accent-color:var(--accent)}
.login-body{background:var(--bg);display:grid;place-items:center;min-height:100vh}.login-page{width:min(440px,calc(100% - 32px));}.login-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:24px}.login-brand{margin-bottom:18px}.login-card h2{margin:0 0 8px;font-size:26px}.login-error{border:1px solid #fecaca;background:#fef2f2;color:#991b1b;padding:10px 12px;border-radius:10px;margin:14px 0}
@media(max-width:1100px){.app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.nav{grid-template-columns:repeat(4,minmax(0,1fr))}.topbar{align-items:flex-start}.cards-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.main{padding:16px}.two-col,.cards-4,.upload-row,.compact-upload{grid-template-columns:1fr}.topbar{display:grid}.pill-row{justify-content:flex-start}.nav{grid-template-columns:repeat(2,minmax(0,1fr))}.sidebar{padding:16px}.download-grid{grid-template-columns:1fr}.preview-caption{font-size:36px}.caption-preview-card{height:310px}.api-doc{font-size:12px}}