:root{--primary: #6366f1;--primary-hover: #5254cc;--primary-light: #818cf8;--secondary: #8b5cf6;--accent: #22d3ee;--gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--gradient-warm: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);--sidebar-width: 300px;--header-height: 60px;--radius-xs: 4px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-2xl: 28px;--radius-full: 9999px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;--transition-fast: all .15s ease;--transition: all .2s ease;--transition-slow: all .3s ease;--transition-spring: all .3s cubic-bezier(.34, 1.56, .64, 1)}:root,:root[data-theme=light]{--bg-base: #f6f7fb;--bg-surface: #ffffff;--bg-elevated: #ffffff;--bg-card: rgba(255, 255, 255, .95);--bg-glass: rgba(15, 23, 42, .04);--bg-glass-hover:rgba(15, 23, 42, .08);--bg-overlay: rgba(15, 23, 42, .45);--bg-header: rgba(255, 255, 255, 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0%,transparent 60%),radial-gradient(ellipse at 60% 80%,rgba(34,211,238,.06) 0%,transparent 60%),var(--bg-base);z-index:0}.login-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);background-size:60px 60px;z-index:0}.login-card{position:relative;z-index:1;background:#0d1117e6;backdrop-filter:blur(32px);-webkit-backdrop-filter:blur(32px);border:1px solid var(--border);border-radius:var(--radius-2xl);padding:48px;width:100%;max-width:440px;box-shadow:var(--shadow-xl),0 0 80px #6366f11a;text-align:center;animation:fadeInScale .4s cubic-bezier(.34,1.56,.64,1)}.login-logo{width:56px;height:56px;background:var(--gradient);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;box-shadow:0 0 40px var(--glow-strong);animation:float 3s ease-in-out infinite}.login-title{font-size:26px;font-weight:800;color:var(--text-1);margin-bottom:8px;letter-spacing:-.5px}.login-sub{font-size:14px;color:var(--text-2);margin-bottom:36px;line-height:1.6}.ms-btn{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:14px 24px;background:#fff;border:none;border-radius:var(--radius-md);font-size:15px;font-weight:600;color:#1f1f1f;cursor:pointer;transition:var(--transition);box-shadow:0 4px 16px #0000004d}.ms-btn:hover{box-shadow:0 8px 32px #0006;transform:translateY(-2px)}.ms-btn:active{transform:translateY(0)}.login-divider{display:flex;align-items:center;gap:12px;margin:24px 0;color:var(--text-3);font-size:12px}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--border)}.login-features{display:flex;flex-direction:column;gap:10px;margin-top:32px;text-align:left}.login-feature{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-2)}.login-feature-icon{width:28px;height:28px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0}.login-footer{margin-top:32px;font-size:11px;color:var(--text-3);line-height:1.6}.text-muted{color:var(--text-3)}.text-sm{font-size:13px}.text-xs{font-size:11px}.font-mono{font-family:var(--font-mono)}.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.flex-1{flex:1}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}@media(max-width:768px){.library{padding:16px;gap:16px}.library-grid{grid-template-columns:1fr}.viewer-sidebar{display:none}.login-card{padding:32px 24px}.modal{padding:24px}.header-user-name{display:none}}@media(max-width:1024px){.library-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}:root{--sidebar-width: 260px}}