:root {
  --adm-bg: #F8FAFC;
  --adm-surface: #FFFFFF;
  --adm-border: #E2E8F0;
  --adm-border-strong: #CBD5E1;
  --adm-ink: #0F172A;
  --adm-ink-2: #334155;
  --adm-muted: #64748B;
  --adm-accent: #2563EB;
  --adm-accent-ink: #1D4ED8;
  --adm-success: #059669;
  --adm-warn: #D97706;
  --adm-danger: #DC2626;
  --adm-radius: 8px;
  --adm-shadow: 0 1px 2px rgba(15,23,42,0.06), 0 1px 3px rgba(15,23,42,0.05);
}

* { box-sizing: border-box; }

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

.adm a { color: var(--adm-accent); text-decoration: none; }
.adm a:hover { color: var(--adm-accent-ink); }

.adm-header {
  background: var(--adm-surface);
  border-bottom: 1px solid var(--adm-border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.adm-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.adm-brand {
  font-weight: 700;
  font-size: 1rem;
  color: var(--adm-ink);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.adm-brand__badge {
  background: var(--adm-ink);
  color: #fff;
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}
.adm-nav {
  display: flex;
  gap: 0.25rem;
  margin-left: 1rem;
}
.adm-nav a {
  padding: 0.45rem 0.8rem;
  border-radius: 6px;
  color: var(--adm-ink-2);
  font-size: 0.9rem;
  font-weight: 500;
}
.adm-nav a:hover { background: var(--adm-bg); color: var(--adm-ink); }
.adm-nav a.is-active { background: #EFF6FF; color: var(--adm-accent-ink); }

.adm-header__actions { margin-left: auto; display: flex; gap: 0.5rem; align-items: center; }
.adm-user { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--adm-ink-2); font-size: 0.9rem; padding-left: 0.75rem; margin-left: 0.25rem; border-left: 1px solid var(--adm-border); }
.adm-logout-form { display: inline-flex; margin: 0; }

.adm-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

.adm-page__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.adm-page__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}
.adm-page__sub {
  color: var(--adm-muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.adm-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.95rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: background 120ms, border-color 120ms, color 120ms;
  white-space: nowrap;
}
.adm-btn--primary { background: var(--adm-ink); color: #fff; }
.adm-btn--primary:hover { background: #000; color: #fff; }
.adm-btn--ghost { background: var(--adm-surface); color: var(--adm-ink); border-color: var(--adm-border); }
.adm-btn--ghost:hover { border-color: var(--adm-border-strong); }
.adm-btn--danger { background: var(--adm-surface); color: var(--adm-danger); border-color: var(--adm-border); }
.adm-btn--danger:hover { background: #FEF2F2; border-color: #FECACA; }
.adm-btn--sm { padding: 0.35rem 0.7rem; font-size: 0.8rem; }

.adm-flash {
  padding: 0.7rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  border: 1px solid transparent;
}
.adm-flash--success { background: #ECFDF5; color: #065F46; border-color: #A7F3D0; }
.adm-flash--info    { background: #EFF6FF; color: #1E40AF; border-color: #BFDBFE; }
.adm-flash--warning { background: #FFFBEB; color: #92400E; border-color: #FDE68A; }
.adm-flash--danger  { background: #FEF2F2; color: #991B1B; border-color: #FECACA; }

.adm-filters {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}
.adm-filters a {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--adm-border);
  color: var(--adm-ink-2);
  background: var(--adm-surface);
}
.adm-filters a.is-active { background: var(--adm-ink); color: #fff; border-color: var(--adm-ink); }

.adm-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--adm-surface);
  border: 1px solid var(--adm-border);
  border-radius: var(--adm-radius);
  overflow: hidden;
  box-shadow: var(--adm-shadow);
}
.adm-table th,
.adm-table td {
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--adm-border);
  vertical-align: middle;
}
.adm-table th {
  background: var(--adm-bg);
  color: var(--adm-muted);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.adm-table tr:last-child td { border-bottom: none; }
.adm-table__title { font-weight: 600; color: var(--adm-ink); }
.adm-table__title--link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}
.adm-table__title--link:hover { text-decoration: underline; }
.adm-table__title--link i { font-size: 0.75em; opacity: 0.6; }
.adm-table__meta { color: var(--adm-muted); font-size: 0.78rem; margin-top: 0.15rem; }
.adm-table__actions { display: flex; gap: 0.35rem; justify-content: flex-end; }
.adm-table__actions form { margin: 0; }
.adm-empty { text-align: center; color: var(--adm-muted); padding: 2.5rem 1rem; }

.adm-badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.adm-badge--draft { background: #F1F5F9; color: #475569; }
.adm-badge--published { background: #DCFCE7; color: #14532D; }

.adm-card {
  background: var(--adm-surface);
  border: 1px solid var(--adm-border);
  border-radius: var(--adm-radius);
  padding: 1.5rem;
  box-shadow: var(--adm-shadow);
}

.adm-form { display: grid; gap: 1.1rem; }
.adm-form__row { display: grid; gap: 1.1rem; }
.adm-form__row--two { grid-template-columns: 1fr 1fr; }
@media (max-width: 720px) {
  .adm-form__row--two { grid-template-columns: 1fr; }
}
.adm-field { display: grid; gap: 0.35rem; }
.adm-field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--adm-ink-2);
}
.adm-field small { color: var(--adm-muted); font-size: 0.78rem; }
.adm-field input[type="text"],
.adm-field input[type="url"],
.adm-field select,
.adm-field textarea {
  font: inherit;
  color: var(--adm-ink);
  background: var(--adm-surface);
  border: 1px solid var(--adm-border);
  border-radius: 6px;
  padding: 0.55rem 0.75rem;
  width: 100%;
}
.adm-field input:focus,
.adm-field select:focus,
.adm-field textarea:focus {
  outline: none;
  border-color: var(--adm-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.adm-field textarea { resize: vertical; min-height: 80px; }
.adm-field__error { color: var(--adm-danger); font-size: 0.8rem; }

.adm-editor { display: grid; gap: 0.35rem; }
.adm-editor__host {
  background: var(--adm-surface);
  border: 1px solid var(--adm-border);
  border-radius: 6px;
  min-height: 320px;
}
.adm-editor__host .ql-container { min-height: 280px; font-size: 1rem; }
.adm-editor__host .ql-toolbar { border-top-left-radius: 6px; border-top-right-radius: 6px; }
.adm-editor__host .ql-container.ql-snow { border-bottom-left-radius: 6px; border-bottom-right-radius: 6px; }

.adm-form__actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--adm-border);
}