:root{color-scheme:dark;--bg: #111;--fg: #eee;--muted: #888;--ok: #6cc070;--error: #e26d6d;--accent: #6db5ff}*{box-sizing:border-box}body{margin:0;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;background:var(--bg);color:var(--fg)}main{max-width:900px;margin:0 auto;padding:24px;display:flex;flex-direction:column;gap:16px}header{display:flex;align-items:baseline;justify-content:space-between}h1{font-size:18px;margin:0;color:var(--accent)}#status{font-size:13px;color:var(--muted)}#status[data-kind=ok]{color:var(--ok)}#status[data-kind=error]{color:var(--error)}textarea{width:100%;min-height:480px;padding:12px;background:#1a1a1a;color:var(--fg);border:1px solid #333;border-radius:6px;font:inherit;font-size:13px;resize:vertical}.controls{display:flex;gap:8px}button{padding:8px 14px;background:#222;color:var(--fg);border:1px solid #333;border-radius:6px;font:inherit;font-size:13px;cursor:pointer}button:hover{border-color:var(--accent)}