:root{--bg-base: #0a0a0c;--bg-surface: #121216;--bg-elevated: #1a1a20;--bg-glass-base: rgba(26, 26, 32, .6);--bg-glass-hover: rgba(255, 255, 255, .05);--bg-glass-active: rgba(255, 255, 255, .1);--bg-transparent-black: rgba(0, 0, 0, .4);--text-primary: #ffffff;--text-secondary: #a1a1aa;--text-muted: #52525b;--text-inverse: #000000;--color-blue: #3b82f6;--color-blue-light: #60a5fa;--color-blue-alpha: rgba(59, 130, 246, .2);--color-emerald: #10b981;--color-emerald-light: #34d399;--color-emerald-alpha: rgba(16, 185, 129, .2);--color-amber: #f59e0b;--color-amber-light: #fbbf24;--color-amber-alpha: rgba(245, 158, 11, .2);--color-red: #ef4444;--color-red-light: #f87171;--color-red-alpha: rgba(239, 68, 68, .2);--color-purple: #8b5cf6;--color-gray: #6b7280;--color-active: var(--color-emerald);--color-disputed: var(--color-amber);--color-stale: var(--color-gray);--color-retracted: var(--color-red);--color-danger: var(--color-red-light);--color-success: var(--color-emerald-light);--color-warning: var(--color-amber-light);--color-info: var(--color-blue-light);--grad-primary: linear-gradient(135deg, var(--color-blue) 0%, var(--color-purple) 100%);--grad-amber: linear-gradient(to right, var(--color-amber), var(--color-amber-light));--grad-red: linear-gradient(to right, var(--color-red), #f97316);--grad-text-primary: linear-gradient(to right, #ffffff, #9ca3af);--border-subtle: rgba(255, 255, 255, .08);--border-light: rgba(255, 255, 255, .15);--border-active: rgba(255, 255, 255, .2);--shadow-glass: 0 8px 32px rgba(0, 0, 0, .4);--shadow-glow-amber: 0 0 30px rgba(245, 158, 11, .05);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-round: 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var(--border-subtle)}.app-brand{display:flex;align-items:center;gap:.75rem}.app-logo{width:2rem;height:2rem;border-radius:var(--radius-md);background:var(--grad-primary);display:flex;align-items:center;justify-content:center;position:relative}.app-logo:after{content:"";position:absolute;inset:-1px;background:var(--grad-primary);border-radius:inherit;opacity:.5;filter:blur(4px);z-index:-1;transition:opacity .3s ease}.app-logo:hover:after{opacity:1}.app-title{font-size:1.25rem;font-weight:700}.app-stats{font-size:.75rem;color:var(--text-muted);font-weight:500;display:flex;gap:var(--spacing-md);margin-top:.125rem}.app-nav{display:flex;gap:var(--spacing-sm)}.app-main{flex:1;position:relative;overflow-y:auto;display:flex;flex-direction:column}.nav-btn{padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);font-weight:500;font-size:.875rem;display:flex;align-items:center;gap:var(--spacing-sm);transition:all .2s;border:1px solid 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transparent}.source-link:hover{background:var(--color-blue);color:var(--text-inverse);box-shadow:0 4px 12px var(--color-blue-alpha)}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@media(max-width:768px){.desktop-nav,.desktop-auth{display:none!important}.hamburger-btn{display:flex!important}.app-stats span:last-child{display:none}}@media(min-width:769px){.hamburger-btn{display:none!important}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.upload-zone:hover{border-color:#38bdf866!important;background:#0f172a99!important}.trace-card{transition:all .2s ease-out}.trace-card:hover{background:#ffffff0f;border-color:#fbbf244d!important;box-shadow:0 4px 16px #fbbf240d}