:root{--bg: #0f172a;--panel: #1e293b;--border: #334155;--text: #e2e8f0;--muted: #94a3b8;--accent: #22c55e;--danger: #ef4444}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--accent)}.container{max-width:880px;margin:0 auto;padding:1.5rem}.topbar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);padding:1rem 1.5rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:1.25rem;margin-bottom:1rem}label{display:block;font-size:.85rem;color:var(--muted);margin:.75rem 0 .25rem}input,textarea,select{width:100%;padding:.6rem .7rem;background:#0b1220;border:1px solid var(--border);border-radius:6px;color:var(--text);font:inherit}textarea{min-height:90px}button{font:inherit;cursor:pointer;border:0;border-radius:6px;padding:.55rem 1rem;background:var(--accent);color:#03250f;font-weight:600}button.secondary{background:#334155;color:var(--text)}button.danger{background:var(--danger);color:#fff}button:disabled{opacity:.5;cursor:not-allowed}.row{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}.spacer{flex:1}.muted{color:var(--muted)}.error{color:var(--danger);font-size:.9rem;margin-top:.5rem}.ok{color:var(--accent)}.badge{font-size:.7rem;padding:.15rem .5rem;border-radius:9999px;background:#334155;text-transform:uppercase;letter-spacing:.04em}.badge.published{background:#14532d;color:#86efac}.suffix{display:flex;align-items:center}.suffix span{padding:0 .5rem;color:var(--muted);white-space:nowrap}iframe.preview{width:100%;height:520px;border:1px solid var(--border);border-radius:8px;background:#fff}