:root{--bg: #fbf7f2;--ink: #2d2418;--muted: #7a6b58;--gold: #b48a4a;--rose: #c97a7a;--line: #e8dfd1;--ok: #2f9e6b;--warn: #d28a2c;--err: #c0533a}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink)}a{color:var(--gold);text-decoration:none}a:hover{text-decoration:underline}.app{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:24px 16px}.sidebar h1{font-size:18px;margin:0 0 24px;font-weight:700;letter-spacing:.2px}.sidebar nav{display:flex;flex-direction:column;gap:4px}.sidebar nav a{padding:8px 12px;border-radius:6px;color:var(--ink);font-size:14px}.sidebar nav a.active{background:var(--bg);color:var(--gold);font-weight:600}.main{padding:28px 32px}.main h2{margin:0 0 16px;font-size:22px}.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px;margin-bottom:20px}button,.btn{background:var(--ink);color:#fff;border:none;border-radius:6px;padding:8px 14px;font-size:14px;cursor:pointer}button:hover{background:#000}button.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{font-family:inherit;font-size:14px;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:#fff;width:100%}label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}.field{margin-bottom:14px}.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line)}th{font-weight:600;color:var(--muted)}.tag{display:inline-block;padding:2px 8px;background:var(--bg);border:1px solid var(--line);border-radius:999px;font-size:12px;margin-right:4px}.status{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px}.status.queued{background:#f1eadd;color:var(--muted)}.status.sent{background:#e3f3eb;color:var(--ok)}.status.delivered{background:#d9f1e3;color:var(--ok)}.status.read{background:#c5ebd3;color:var(--ok)}.status.failed{background:#fbe1da;color:var(--err)}.muted{color:var(--muted);font-size:13px}.err{color:var(--err);font-size:13px}.ok{color:var(--ok);font-size:13px}