:root{color-scheme:light dark;--bg:#0f172a;--surface:#1e293b;--border:#334155;--text:#e2e8f0;--muted:#94a3b8;--accent:#38bdf8;--danger:#f87171;--ok:#4ade80}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;margin:0;min-height:100vh;padding:16px}.page{margin:0 auto;max-width:720px}.page.narrow{margin-top:12vh;max-width:380px}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;margin-bottom:20px;padding:20px}h1{font-size:1.4rem;margin:0 0 4px}h2{font-size:1.1rem;margin:0 0 12px}p.muted{color:var(--muted);margin-top:0}header.topbar{align-items:center;display:flex;justify-content:space-between;margin-bottom:20px}label{color:var(--muted);display:block;font-size:.85rem;margin:10px 0 4px}button,input,select,textarea{font:inherit}input,select,textarea{background:#0b1220;border:1px solid var(--border);border-radius:6px;color:var(--text);padding:8px 10px;width:100%}textarea{min-height:70px;resize:vertical}button{background:var(--accent);border:none;border-radius:6px;color:#08202f;cursor:pointer;font-weight:600;margin-top:12px;padding:9px 14px}button.secondary{background:transparent;border:1px solid var(--border);color:var(--text)}table{border-collapse:collapse;margin-top:8px;width:100%}td,th{border-bottom:1px solid var(--border);font-size:.9rem;padding:8px 6px;text-align:left}th{color:var(--muted);font-weight:500}.msg{font-size:.85rem;margin-top:8px;min-height:1.1em}.msg.error{color:var(--danger)}.msg.ok{color:var(--ok)}ul.messages{list-style:none;margin:0;padding:0}ul.messages li{border:1px solid var(--border);border-radius:8px;margin-bottom:10px;padding:12px}ul.messages li.unread{border-color:var(--accent)}.msg-body{white-space:pre-wrap}.msg-time{color:var(--muted);font-size:.75rem;margin-top:6px}