:root{--primary:#4f46e5;--primary-hover:#4338ca;--bg-color:#f9fafb;--card-bg:#fff;--text-main:#111827;--text-muted:#6b7280;--border-color:#e5e7eb;--danger:#ef4444;--danger-hover:#dc2626;--success:#10b981;--radius-md:12px;--radius-sm:8px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a}@media (prefers-color-scheme:dark){:root{--bg-color:#111827;--card-bg:#1f2937;--text-main:#f9fafb;--text-muted:#9ca3af;--border-color:#374151}}*{box-sizing:border-box}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}h1,h2,h3,h4,h5,h6{color:var(--text-main);margin-top:0}input,textarea,button{font-family:inherit;font-size:16px}label{color:var(--text-main);margin-bottom:.25rem;font-size:.875rem;font-weight:500;display:block}input[type=text],input[type=number],input[type=file],input:not([type]),textarea{border:1px solid var(--border-color);border-radius:var(--radius-sm);background-color:var(--bg-color);width:100%;color:var(--text-main);padding:.75rem;transition:border-color .15s ease-in-out}input:focus,textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px #4f46e533}button{border-radius:var(--radius-sm);cursor:pointer;background-color:var(--primary);color:#fff;border:none;justify-content:center;align-items:center;width:100%;padding:.75rem 1.5rem;font-weight:500;transition:all .2s;display:inline-flex}button:hover{background-color:var(--primary-hover)}button:disabled{opacity:.7;cursor:not-allowed}button.secondary{color:var(--text-main);border:1px solid var(--border-color);background-color:#0000}button.secondary:hover{background-color:var(--border-color)}button.danger{color:var(--danger);border:1px solid var(--danger);background-color:#0000}button.danger:hover{background-color:var(--danger);color:#fff}.card{background-color:var(--card-bg);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);margin-bottom:1rem;padding:1rem}.mb-4{margin-bottom:1rem}.mt-4{margin-top:1rem}.gap-2{gap:.5rem}.gap-4{gap:1rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.text-sm{font-size:.875rem}.text-muted{color:var(--text-muted)}