.admin-body {
  min-height: 100vh;
  background: linear-gradient(180deg, #fff5eb 0%, var(--bg) 8rem);
}

.admin-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.admin-header__brand {
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  font-family: var(--font-ui);
}

.admin-header__title {
  flex: 1;
  font-family: var(--font-title);
  font-size: 1.35rem;
  color: var(--title-red);
  margin: 0;
}

.admin-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
}

.admin-panel {
  background: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 1.25rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

.admin-panel h2 {
  margin: 0 0 1rem;
  font-family: var(--font-title);
  color: var(--title-red);
  font-weight: 400;
}

.admin-login {
  max-width: 360px;
  margin: 2rem auto;
}

.admin-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--muted);
}

.admin-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--font-lao);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.admin-search {
  max-width: 280px;
  margin-bottom: 0;
}

.admin-error {
  color: #c0392b;
  font-size: 0.9rem;
  margin: 0 0 0.75rem;
}

.admin-code {
  background: #f8f4ef;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  overflow-x: auto;
}

.btn--block {
  width: 100%;
}

.btn--small {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
}

.btn--record {
  background: #c0392b;
  color: #fff;
}

.btn--record.is-recording {
  animation: tts-pulse 0.9s ease infinite;
}

.btn--record:disabled {
  opacity: 0.5;
}

.btn--danger {
  background: #fff;
  color: #c0392b;
  border: 1px solid #e8b4b4;
}

.btn--danger:hover:not(:disabled) {
  background: #fdecea;
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.admin-book-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.admin-book-item {
  margin: 0;
}

.admin-book-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.65rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.admin-book-link:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(45, 156, 110, 0.12);
}

.admin-book-link img {
  width: 48px;
  height: 64px;
  object-fit: cover;
  border-radius: 6px;
  background: var(--border);
}

.admin-book-meta {
  flex: 1;
  min-width: 0;
}

.admin-book-meta strong {
  display: block;
  font-family: var(--font-lao);
  font-size: 1.05rem;
}

.admin-book-meta span {
  font-size: 0.8rem;
  color: var(--muted);
}

.admin-record-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.admin-record-title {
  flex: 1;
  margin: 0;
  font-family: var(--font-lao);
  font-size: 1.2rem;
  color: var(--text);
  font-weight: 700;
}

.admin-badge {
  font-size: 0.8rem;
  font-weight: 800;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: #e8f5ef;
  color: var(--accent);
}

.admin-record-layout {
  display: grid;
  grid-template-columns: minmax(140px, 200px) 1fr;
  gap: 1rem;
}

@media (max-width: 720px) {
  .admin-record-layout {
    grid-template-columns: 1fr;
  }
}

.admin-page-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 420px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.admin-page-list button {
  width: 100%;
  text-align: left;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  cursor: pointer;
}

.admin-page-list button.is-current {
  border-color: var(--primary);
  background: #fff5f0;
}

.admin-page-list button.has-audio {
  border-color: var(--accent);
  background: #e8f5ef;
}

.admin-preview {
  margin: 0 0 0.75rem;
  text-align: center;
}

.admin-preview img {
  max-width: 100%;
  max-height: 220px;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
}

.admin-page-num {
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.admin-page-text {
  font-family: var(--font-lao);
  font-size: 1.15rem;
  line-height: 1.85;
  text-align: center;
  margin: 0 0 1rem;
  padding: 0.75rem;
  background: #fef9f3;
  border-radius: 10px;
}

.admin-recorder {
  padding: 1rem;
  background: #f8f4ef;
  border-radius: 12px;
  margin-bottom: 1rem;
}

.admin-audio-preview {
  width: 100%;
  margin-bottom: 0.75rem;
}

.admin-status {
  min-height: 1.25rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 0.65rem;
}

.admin-recorder__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.admin-hint {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0.35rem 0 0;
}

.admin-nav-row {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.admin-page-list-wrap .admin-hint {
  margin-bottom: 0.5rem;
}