:root{--primary-color: #6366f1;--secondary-color: #8b5cf6;--accent-color: #06b6d4;--bg-color: #ffffff;--surface-color: #f9fafb;--surface-secondary: #e5e7eb;--text-color: #111827;--text-secondary: #6b7280;--border-color: #e5e7eb;--hover-color: #f3f4f6;--shadow: 0 1px 3px 0 rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--success-color: #10b981;--danger-color: #ef4444;--danger-hover: #dc2626;--danger-bg: rgba(239, 68, 68, .1);--warning-color: #f59e0b;--info-color: #3b82f6}@media (prefers-color-scheme: dark){:root{--bg-color: #111827;--surface-color: #1f2937;--surface-secondary: #374151;--text-color: #f9fafb;--text-secondary: #9ca3af;--border-color: #374151;--hover-color: #374151;--shadow: 0 1px 3px 0 rgb(0 0 0 / .3);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .3);--danger-bg: rgba(239, 68, 68, .2)}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6;transition:background-color .3s ease,color .3s ease}.container{max-width:1200px;margin:0 auto;padding:0 1rem}a{color:var(--primary-color);text-decoration:none;transition:opacity .2s ease}a:hover{opacity:.8}button{font-family:inherit;cursor:pointer;border:none;border-radius:.5rem;padding:.5rem 1rem;font-size:1rem;transition:all .2s ease}button:hover{opacity:.9}input,textarea,select{font-family:inherit;font-size:1rem;padding:.75rem;border:1px solid var(--border-color);border-radius:.5rem;background-color:var(--bg-color);color:var(--text-color);transition:border-color .2s ease}select option{background-color:var(--surface-color);color:var(--text-color)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-color)}.text-center{text-align:center}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:500;transition:all .2s ease;border:none;cursor:pointer;font-size:1rem}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--secondary-color);transform:translateY(-1px);box-shadow:var(--shadow)}.btn-secondary{background-color:var(--surface-color);color:var(--text-color);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background-color:var(--border-color)}.btn-danger{background-color:#ef4444;color:#fff}.btn-danger:hover:not(:disabled){background-color:#dc2626}.file-drop-zone{border:2px dashed var(--border-color);border-radius:.75rem;padding:2rem;text-align:center;transition:all .2s ease;cursor:pointer}.file-drop-zone:hover{border-color:var(--primary-color);background-color:#6366f10d}.file-drop-zone.file-over{border-color:var(--primary-color);background-color:#6366f11a;transform:scale(1.02)}textarea.full-width,input.full-width{width:100%;min-height:200px;resize:vertical}