:root{--bg:#0a0a10;--bg-card:#13131c;--bg-card2:#1a1a26;--bg-input:#111119;--border:#252535;--border-lo:#1e1e2e;--border-hi:#4f3fcf;--accent:#6d28d9;--accent2:#7c3aed;--accent-light:#a78bfa;--accent-glow:rgba(109,40,217,.2);--video-color:#f59e0b;--video-glow:rgba(245,158,11,.15);--video-border:rgba(245,158,11,.35);--green:#10b981;--green-glow:rgba(16,185,129,.15);--red:#ef4444;--amber:#f59e0b;--text:#e2e8f0;--text-dim:#94a3b8;--text-muted:#64748b;--r:12px;--r-sm:8px;--r-xs:6px;--shadow:0 8px 32px rgba(0,0,0,.5);--t:0.18s ease}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body{font-family:Pretendard,Apple SD Gothic Neo,Noto Sans KR,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow:hidden;height:100vh}#root,.app-shell{height:100vh;display:flex;flex-direction:column}.app-header{justify-content:space-between;padding:12px 24px;border-bottom:1px solid 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