:root{color-scheme:dark;--bg: #0a0a0c;--surface: #14141a;--border: #2a2a34;--text: #f2f2f5;--muted: #9898a8;--accent: #5eead4;--danger: #fb7185;font-family:JetBrains Mono,SF Mono,ui-monospace,monospace}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(1200px 600px at 20% -10%,#1f2937,transparent),radial-gradient(900px 500px at 100% 0%,#134e4a,transparent),var(--bg);color:var(--text);line-height:1.5}a{color:var(--accent)}#root{max-width:960px;margin:0 auto;padding:2rem 1.25rem 4rem}header.app-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}header.app-header h1{margin:0;font-size:1.35rem;letter-spacing:.04em;text-transform:uppercase}nav a{margin-left:1rem;text-decoration:none;font-size:.85rem}nav a:hover{text-decoration:underline}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1.25rem 1.5rem;margin-bottom:1.25rem}.card h2{margin:0 0 .75rem;font-size:1rem}button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:.35rem;padding:.55rem 1rem;border-radius:8px;border:1px solid var(--border);background:#1c1c24;color:var(--text);font:inherit;cursor:pointer;text-decoration:none}button.primary,.btn.primary{background:linear-gradient(135deg,#0f766e,#14b8a6);border-color:#0d9488;color:#042f2e;font-weight:600}button:disabled{opacity:.45;cursor:not-allowed}input[type=text],input[type=file],textarea{width:100%;padding:.5rem .65rem;border-radius:8px;border:1px solid var(--border);background:#0f0f12;color:var(--text);font:inherit}textarea{min-height:88px;resize:vertical}label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:.35rem}.row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.muted{color:var(--muted);font-size:.85rem}.error{color:var(--danger);font-size:.9rem}table{width:100%;border-collapse:collapse;font-size:.8rem}th,td{text-align:left;padding:.45rem .35rem;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:500}