:root {
  --bg: #0b1119;
  --card: #121b26;
  --accent: #4fd1c5;
  --accent-2: #7dd3fc;
  --text: #eef2f6;
  --muted: #9fb3c8;
  --border: #1f2a37;
  --error: #f87171;
  --success: #34d399;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(79,209,197,0.08), transparent 30%),
              radial-gradient(circle at 80% 0%, rgba(125,211,252,0.1), transparent 35%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px;
}
.brand { display: flex; gap: 12px; align-items: center; }
.dot { width: 14px; height: 14px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 0 18px rgba(79,209,197,0.7); }
.eyebrow { margin: 0; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-size: 12px; }
.topbar h1 { margin: 2px 0 0; font-size: 24px; }
.badge { padding: 8px 12px; border: 1px solid var(--border); border-radius: 12px; color: var(--muted); background: rgba(255,255,255,0.04); }

.page { max-width: 1100px; margin: 0 auto 48px; padding: 0 24px 40px; display: flex; flex-direction: column; gap: 20px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 20px 22px; box-shadow: 0 10px 40px rgba(0,0,0,0.35); }
.card h2, .card h3 { margin-top: 0; }
.hint { color: var(--muted); margin-bottom: 16px; }

.auth-screen {
  position: fixed;
  inset: 0;
  background: rgba(11, 17, 25, 0.9);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}
.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 24px;
  border-radius: 14px;
  width: 320px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.35);
}
.auth-card h2 { margin: 0 0 8px; }
.auth-card input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0d1620;
  color: var(--text);
  margin: 8px 0 12px;
}
.auth-card button {
  width: 100%;
  padding: 10px 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  border-radius: 10px;
  font-weight: 700;
  color: #0a0f16;
}

.form-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted); }
.form-grid input { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: #0d1620; color: var(--text); }
.form-grid input:focus { outline: 2px solid var(--accent); border-color: var(--accent); }

button { cursor: pointer; border: none; border-radius: 10px; font-weight: 600; }
#submitBtn { padding: 12px 16px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0a0f16; box-shadow: 0 8px 30px rgba(79,209,197,0.35); }
#submitBtn:disabled { opacity: 0.6; cursor: not-allowed; }
.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); padding: 8px 10px; }

.feedback { margin-top: 12px; min-height: 20px; color: var(--muted); }
.feedback.error { color: var(--error); }
.feedback.success { color: var(--success); }

.payload-box { margin-top: 10px; border: 1px dashed var(--border); border-radius: 10px; padding: 10px; background: rgba(255,255,255,0.02); }
.payload-preview { margin: 0; color: var(--text); font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace; font-size: 12px; white-space: pre-wrap; word-break: break-word; }

.hidden { display: none !important; }
.app.hidden { display: none !important; }

.section-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.table th, .table td { padding: 10px 8px; border-bottom: 1px solid var(--border); text-align: left; }
.table th { color: var(--muted); font-weight: 600; }
.status-pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 999px; font-size: 13px; }
.status-ok { background: rgba(52,211,153,0.12); color: var(--success); }
.status-err { background: rgba(248,113,113,0.12); color: var(--error); }
.action-btn { padding: 8px 12px; background: #0d1620; border: 1px solid var(--border); color: var(--text); border-radius: 8px; }
.action-btn:hover { border-color: var(--accent); }

@media (max-width: 640px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 8px; }
  .badge { align-self: flex-start; }
}