:root {
  --bg: #0b1120;
  --card: #162033;
  --border: #28354f;
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dark: #0284c7;
  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 14px 14px 80px 14px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

h1 {
  font-size: 1.15rem;
  margin: 0;
  letter-spacing: -0.01em;
}

.badge {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--border);
}

.badge.ok {
  background: rgba(34, 197, 94, 0.18);
  color: var(--ok);
}

.badge.warn {
  background: rgba(245, 158, 11, 0.18);
  color: var(--warn);
}

.badge.err {
  background: rgba(239, 68, 68, 0.18);
  color: var(--err);
}

.grid-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.stat-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
}

.stat-box .num {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-box .lbl {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 2px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
}

.card h2 {
  font-size: 0.92rem;
  margin: 0 0 10px 0;
  color: var(--accent);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.row-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.84rem;
  gap: 8px;
}

.row-item:last-child {
  border-bottom: none;
}

.muted {
  color: var(--muted);
  font-size: 0.78rem;
}

.mt-8 {
  margin-top: 8px;
}

.mb-8 {
  margin-bottom: 8px;
}

.form-group {
  margin-bottom: 10px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

label {
  display: block;
  font-size: 0.76rem;
  color: var(--muted);
  margin-bottom: 4px;
  font-weight: 600;
}

input,
select {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0b1120;
  color: var(--text);
  font-size: 0.85rem;
}

.btn {
  background: var(--accent);
  color: #082f49;
  border: none;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}

.btn.secondary {
  background: var(--border);
  color: var(--text);
}

.btn.full {
  width: 100%;
  padding: 10px;
  margin-top: 6px;
}

.preview-box {
  background: #070b14;
  border-left: 3px solid var(--accent);
  padding: 9px 11px;
  border-radius: 6px;
  font-size: 0.82rem;
  white-space: pre-wrap;
  margin-top: 6px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

nav.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.96);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 8px 6px;
  backdrop-filter: blur(8px);
}

nav.bottom-nav button {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 4px;
  cursor: pointer;
}

nav.bottom-nav button.active {
  color: var(--accent);
}

.hidden {
  display: none !important;
}

.auth-gate-container {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.auth-gate-card {
  max-width: 420px;
  width: 100%;
  text-align: center;
  padding: 28px 20px;
}

.auth-gate-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.auth-gate-card h2 {
  font-size: 1.15rem;
  margin: 0 0 10px 0;
  color: var(--text);
}

.auth-gate-card p {
  font-size: 0.88rem;
  line-height: 1.45;
  margin: 0;
}