:root {
  --admin-bg: #0f1115;
  --admin-surface: #171a21;
  --admin-surface-2: #1d212b;
  --admin-border: #2a2f3a;
  --admin-fg: #e6e6e6;
  --admin-muted: #8b93a3;
  --admin-accent: #4f8cff;
  --admin-accent-soft: rgba(79, 140, 255, 0.14);
  --tier1: #3ecf8e;
  --tier1-bg: rgba(62, 207, 142, 0.14);
  --tier2: #f0b429;
  --tier2-bg: rgba(240, 180, 41, 0.14);
  --excluded: #f0616d;
  --excluded-bg: rgba(240, 97, 109, 0.14);
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--admin-bg);
  color: var(--admin-fg);
  line-height: 1.5;
}

a {
  color: var(--admin-accent);
}

/* ---- Top bar ---- */
.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0.9rem 2rem;
  background: var(--admin-surface);
  border-bottom: 1px solid var(--admin-border);
}

.admin-topbar__brand {
  font-weight: 600;
  letter-spacing: 0.01em;
}

.admin-topbar__nav {
  display: flex;
  gap: 0.5rem;
}

.admin-topbar__nav a {
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  color: var(--admin-muted);
  text-decoration: none;
  font-size: 0.92rem;
  transition: background 0.12s, color 0.12s;
}

.admin-topbar__nav a:hover {
  background: var(--admin-surface-2);
  color: var(--admin-fg);
}

.admin-topbar__nav a.is-active {
  background: var(--admin-accent-soft);
  color: var(--admin-accent);
}

/* ---- Shell ---- */
.admin-shell {
  max-width: 1040px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
}

h1 {
  font-size: 1.5rem;
  margin: 0;
}

h2 {
  font-size: 1.05rem;
  margin: 0 0 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--admin-border);
}

.admin-muted {
  color: var(--admin-muted);
}

/* ---- Login (centered card) ---- */
.admin-login {
  max-width: 380px;
  margin: 12vh auto 0;
  padding: 2rem;
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius);
}

.admin-login h1 {
  margin-bottom: 1.2rem;
}

.admin-login__form {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.admin-login__form label {
  font-size: 0.85rem;
  color: var(--admin-muted);
  margin-top: 0.6rem;
}

.admin-login__form input {
  padding: 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--admin-border);
  background: var(--admin-surface-2);
  color: var(--admin-fg);
}

.admin-login__form input:focus {
  outline: none;
  border-color: var(--admin-accent);
}

.admin-login__form button {
  margin-top: 1.2rem;
  padding: 0.65rem;
  border: none;
  border-radius: 8px;
  background: var(--admin-accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.admin-login__form button:hover {
  filter: brightness(1.08);
}

.admin-login__hint {
  font-size: 0.8rem;
  opacity: 0.6;
}

/* ---- Dashboard cards ---- */
.admin-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.admin-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.2rem;
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.12s, transform 0.12s;
}

.admin-card:hover {
  border-color: var(--admin-accent);
  transform: translateY(-2px);
}

.admin-card__title {
  font-weight: 600;
}

.admin-card__desc {
  font-size: 0.88rem;
  color: var(--admin-muted);
}

/* ---- Settings ---- */
.admin-settings__head {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.admin-pill {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
}

.admin-pill--readonly {
  background: var(--admin-surface-2);
  color: var(--admin-muted);
  border: 1px solid var(--admin-border);
}

.admin-panel {
  margin-top: 1.5rem;
  padding: 1.4rem 1.5rem;
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius);
}

/* key/value persona grid */
.admin-kv {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.6rem 1.5rem;
  margin: 0;
}

.admin-kv dt {
  color: var(--admin-muted);
  font-size: 0.88rem;
}

.admin-kv dd {
  margin: 0;
}

.admin-kv__prose {
  white-space: pre-line;
}

.admin-taglist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.admin-taglist li {
  background: var(--admin-surface-2);
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  padding: 0.2rem 0.55rem;
  font-size: 0.85rem;
}

/* tables */
.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  text-align: left;
  padding: 0.55rem 0.8rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--admin-muted);
  border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

.admin-table tbody tr:hover {
  background: var(--admin-surface-2);
}

.admin-table .is-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.admin-mono {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--admin-muted);
}

/* tier badges */
.admin-tier {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.18rem 0.5rem;
  border-radius: 6px;
  margin-right: 0.3rem;
}

.admin-tier--tier1 {
  color: var(--tier1);
  background: var(--tier1-bg);
}

.admin-tier--tier2 {
  color: var(--tier2);
  background: var(--tier2-bg);
}

.admin-tier--excluded {
  color: var(--excluded);
  background: var(--excluded-bg);
}

/* multi-line answer / message text, newlines preserved */
.admin-prose {
  white-space: pre-line;
}

/* small inline label (FAQ tags, template intents / variables) */
.admin-chip {
  display: inline-block;
  background: var(--admin-surface-2);
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  padding: 0.12rem 0.5rem;
  font-size: 0.8rem;
  margin-right: 0.3rem;
}

/* ---- Templates viewer (collapsible per (state, intent)) ---- */
.admin-template[open] .admin-template__summary {
  margin-bottom: 0.9rem;
}

.admin-template__summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  list-style: none;
}

.admin-template__summary::-webkit-details-marker {
  display: none;
}

.admin-template__state {
  color: var(--admin-fg);
  font-weight: 600;
}

.admin-template__desc {
  font-size: 0.88rem;
  margin: 0 0 0.9rem;
}

.admin-template__vars {
  font-size: 0.82rem;
  color: var(--admin-muted);
  margin: 0 0 0.9rem;
}

.admin-template__variant {
  border-left: 2px solid var(--admin-border);
  padding-left: 1rem;
  margin-bottom: 0.9rem;
}

.admin-template__variant:last-child {
  margin-bottom: 0;
}

.admin-template__msg {
  background: var(--admin-surface-2);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
  margin: 0.5rem 0;
}