:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-tertiary: #1a1a25;--bg-card: rgba(255, 255, 255, .03);--bg-card-hover: rgba(255, 255, 255, .06);--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .4);--accent-primary: #8b5cf6;--accent-secondary: #6366f1;--accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #3b82f6 100%);--border-color: rgba(255, 255, 255, .08);--border-glow: rgba(139, 92, 246, .3);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 8px 32px rgba(0, 0, 0, .4);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .5);--shadow-glow: 0 0 40px rgba(139, 92, 246, .15);--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}[data-theme=light]{--bg-primary: #f8f9fc;--bg-secondary: #ffffff;--bg-tertiary: #eef1f6;--bg-card: rgba(0, 0, 0, .02);--bg-card-hover: rgba(0, 0, 0, .05);--text-primary: #1a1a2e;--text-secondary: rgba(26, 26, 46, .7);--text-muted: rgba(26, 26, 46, .4);--border-color: rgba(0, 0, 0, .08);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 8px 32px rgba(0, 0, 0, .12);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .16);--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(0, 0, 0, .08)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;letter-spacing:-.02em}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}@media(max-width:768px){h1{font-size:1.875rem}h2{font-size:1.5rem}h3{font-size:1.25rem}}a{color:var(--accent-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-secondary)}button{font-family:inherit;cursor:pointer;border:none;outline:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.9rem;font-weight:500;border-radius:var(--radius-md);transition:all 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var(--transition-fast)}.btn-secondary:hover{border-color:var(--accent-primary);background:#8b5cf61a}@media(max-width:768px){.upload-page{padding:70px .75rem 6rem}.upload-header h1{font-size:1.5rem}.upload-dropzone{padding:2rem 1rem}.upload-icon{font-size:2.5rem}.datetime-row{grid-template-columns:1fr}.file-item{flex-wrap:wrap;padding:.75rem}.file-preview{width:60px;height:60px}.file-info{flex:1;min-width:calc(100% - 110px)}.file-datetime{flex-direction:column;gap:.25rem}.file-datetime input{width:100%}}