:root {
  /* Backgrounds */
  --a-bg: #EFF3F8;
  --a-surface: #F8FAFC;
  --a-card: #FFFFFF;
  --a-card2: #1E293B;

  /* Borders */
  --a-border: #E2E8F0;
  --a-border-strong: #CBD5E1;

  /* Typography */
  --a-text: #1E293B;
  --a-muted: #64748B;
  --a-light: #94A3B8;

  /* Accent — naranja */
  --a-accent: #fb8e2e;
  --a-accent2: #ff9f43;
  --a-accent-light: rgba(251, 142, 46, 0.1);

  /* Status */
  --a-danger: #EF4444;
  --a-ok: #16A34A;
  --a-warn: #F59E0B;

  /* Sidebar */
  --a-sb-bg: #f4f4f4;
  --a-sb-text: #4a4a4a;
  --a-sb-text-hover: #1E293B;
  --a-sb-text-active: #1E293B;
  --a-sb-active-bg: rgba(251, 142, 46, 0.12);
  --a-sb-active-border: rgba(251, 142, 46, 0.45);
  --a-sb-divider: #dee2e6;

  /* Shadows */
  --a-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 4px 14px rgba(0,0,0,0.04);
  --a-shadow-md: 0 4px 18px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.04);
  --a-shadow-accent: 0 8px 28px rgba(251, 142, 46, 0.24);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  background: var(--a-bg);
  color: var(--a-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
  margin: 0;
}

.admin-skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  background: var(--a-accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 700;
  z-index: 9999;
  text-decoration: none;
}
.admin-skip-link:focus { left: 8px; }

.admin-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.admin-sidebar {
  background: var(--a-sb-bg);
  border-right: 1px solid var(--a-border);
  padding: 18px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

.admin-sidebar__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--a-sb-divider);
  margin-bottom: 4px;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.admin-brand__icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--a-accent), var(--a-accent2));
  display: grid;
  place-items: center;
  color: white;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(251, 142, 46, 0.35);
}
.admin-brand__title {
  color: var(--a-text);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.2px;
}
.admin-brand__subtitle {
  color: var(--a-muted);
  font-size: 0.78rem;
  margin-top: 1px;
}

.admin-sidebar__close {
  display: none;
  background: transparent;
  border: 1px solid var(--a-border);
  color: var(--a-text);
  border-radius: 10px;
  width: 38px;
  height: 38px;
  cursor: pointer;
}

.admin-nav {
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}

.admin-nav__group {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.admin-nav__item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--a-sb-text);
  cursor: pointer;
  text-align: left;
  font-size: 0.88rem;
  transition: all 0.15s ease;
}
.admin-nav__item i {
  width: 16px;
  text-align: center;
  flex-shrink: 0;
  font-size: 0.9rem;
}
.admin-nav__item span {
  font-weight: 600;
}

.admin-nav__item--toggle {
  justify-content: flex-start;
}

.admin-nav__chevron {
  margin-left: auto;
  font-size: 0.85rem;
  transition: transform 0.2s ease;
}

.admin-nav__item[aria-expanded="true"] .admin-nav__chevron {
  transform: rotate(180deg);
}

.admin-subnav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 16px;
}

.admin-subnav__item {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  color: var(--a-muted);
  border-radius: 8px;
  text-align: left;
  padding: 8px 12px;
  font-weight: 600;
  font-size: 0.83rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.admin-subnav__item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(0, 0, 0, 0.75);
}

.admin-subnav__item.is-active {
  background: var(--a-sb-active-bg);
  border-color: var(--a-sb-active-border);
  color: var(--a-accent);
}
.admin-nav__item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--a-sb-text-hover);
}
.admin-nav__item.is-active {
  background: var(--a-sb-active-bg);
  border-color: var(--a-sb-active-border);
  color: var(--a-sb-text-active);
}
.admin-nav__item.is-active i {
  color: var(--a-accent2);
}

.admin-sidebar__bottom {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--a-sb-divider);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.admin-link {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid var(--a-border);
  background: rgba(255, 255, 255, 0.5);
  color: var(--a-text);
  text-decoration: none;
  cursor: pointer;
  font-size: 0.87rem;
  font-weight: 600;
  transition: all 0.15s ease;
}
.admin-link:hover {
  background: rgba(255, 255, 255, 0.85);
  border-color: var(--a-border-strong);
}
.admin-link--danger {
  border-color: rgba(239, 68, 68, 0.3);
  color: #DC2626;
}
.admin-link--danger:hover {
  background: rgba(239, 68, 68, 0.07);
  border-color: rgba(239, 68, 68, 0.45);
}

.admin-main {
  padding: 22px 24px;
  overflow: hidden;
  min-width: 0;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  background: var(--a-card);
  border-radius: 18px;
  padding: 10px 18px;
  box-shadow: var(--a-shadow-sm);
}
.admin-topbar__menu {
  display: none;
  background: var(--a-surface);
  border: 1px solid var(--a-border);
  color: var(--a-text);
  border-radius: 10px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  place-items: center;
}
.admin-topbar__title h1 {
  margin: 0;
  color: var(--a-text);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.2px;
}
.admin-topbar__title p {
  margin: 2px 0 0;
  color: var(--a-muted);
  font-size: 0.82rem;
}
.admin-topbar__meta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.admin-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--a-border);
  color: var(--a-muted);
  background: var(--a-surface);
  font-size: 0.82rem;
  font-weight: 600;
}

.admin-view {
  display: none;
}
.admin-view.is-active {
  display: block;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.admin-grid2 {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
}
.admin-row {
  margin-top: 16px;
}

.admin-card {
  background: var(--a-card);
  border: none;
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--a-shadow-sm);
  position: relative;
  overflow: hidden;
}
.admin-card__label {
  color: var(--a-muted);
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 8px;
}
.admin-card__label i {
  font-size: 0.9rem;
  opacity: 0.7;
}
.admin-card__value {
  color: var(--a-text);
  font-size: 2.1rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -1px;
  margin-top: 0;
}
.admin-card__hint {
  color: var(--a-muted);
  margin-top: 8px;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.admin-panel {
  background: var(--a-card);
  border: none;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--a-shadow-sm);
}
.admin-panel__header {
  padding: 15px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--a-border);
}
.admin-panel__header h2 {
  margin: 0;
  color: var(--a-text);
  font-size: 0.97rem;
  font-weight: 800;
  display: flex;
  gap: 9px;
  align-items: center;
}
.admin-panel__header h2 i {
  color: var(--a-accent);
  opacity: 0.8;
}
.admin-panel__right {
  display: flex;
  gap: 8px;
  align-items: center;
}
.admin-panel__body {
  padding: 18px 20px;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btnA {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--a-border);
  background: #FFFFFF;
  color: var(--a-text);
  border-radius: 12px;
  padding: 9px 16px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.87rem;
  transition: all 0.15s ease;
  white-space: nowrap;
  line-height: 1.4;
}
.btnA:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.btnA-primary {
  background: var(--a-accent);
  border-color: rgba(251, 142, 46, 0.4);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(251, 142, 46, 0.28);
}
.btnA-primary:hover {
  background: var(--a-accent2);
  box-shadow: 0 4px 14px rgba(251, 142, 46, 0.38);
}
.btnA-secondary {
  background: var(--a-surface);
  border-color: var(--a-border);
}
.btnA-secondary:hover {
  background: #FFFFFF;
  border-color: var(--a-border-strong);
}
.btnA-danger {
  background: rgba(239, 68, 68, 0.07);
  border-color: rgba(239, 68, 68, 0.28);
  color: #DC2626;
}
.btnA-danger:hover {
  background: rgba(239, 68, 68, 0.13);
}
.btnA:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none !important;
}

.inputA,
.selectA {
  width: 100%;
  border-radius: 12px;
  border: 1.5px solid var(--a-border);
  background: var(--a-surface);
  color: var(--a-text);
  padding: 10px 13px;
  font-size: 0.9rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.inputA:focus,
.selectA:focus {
  outline: none;
  border-color: var(--a-accent);
  box-shadow: 0 0 0 3px rgba(251, 142, 46, 0.12);
}
.selectA option {
  color: #111;
  background: #fff;
}

.formA__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.formA__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.formA__field label {
  color: var(--a-text);
  font-weight: 700;
  font-size: 0.85rem;
}
.formA__field small {
  color: var(--a-muted);
  font-size: 0.78rem;
}
.formA .form-control {
  border-radius: 12px;
  border: 1.5px solid var(--a-border);
  background: var(--a-surface);
  color: var(--a-text);
  padding: 10px 13px;
  font-size: 0.9rem;
}
.formA .form-control:focus {
  border-color: var(--a-accent);
  box-shadow: 0 0 0 3px rgba(251, 142, 46, 0.12);
  background: #FFF;
  outline: none;
}

.dropdown-menu {
  position: fixed !important;
  max-width: 300px;
  overflow: hidden;
}

.dropdown-item {
  white-space: normal !important;
  word-wrap: break-word;
  display: flex;
  align-items: center;
  padding: 0.5rem 1rem;
}

.dropdown-item i {
  min-width: 20px;
  margin-right: 0.75rem;
}

.admin-inline {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.admin-inline--between {
  justify-content: space-between;
}
.admin-divider {
  height: 1px;
  background: var(--a-border);
  margin: 14px 0;
}
.admin-mini {
  margin-top: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--a-border);
  color: var(--a-muted);
  font-size: 0.87rem;
  background: var(--a-surface);
}

.tableWrap {
  overflow: auto;
  border-radius: 16px;
  border: 1px solid var(--a-border);
}
.tableA {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
  background: var(--a-card);
}
.tableA th,
.tableA td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--a-border);
  color: var(--a-text);
  vertical-align: middle;
  font-size: 0.88rem;
}
.tableA th {
  color: var(--a-muted);
  text-align: left;
  font-weight: 700;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--a-surface);
}
.tableA tbody tr:hover {
  background: rgba(251, 142, 46, 0.04);
}
.tableA tbody tr:last-child td {
  border-bottom: none;
}

.dropzone {
  border: 2px dashed rgba(251, 142, 46, 0.45);
  background: rgba(251, 142, 46, 0.06);
  border-radius: 18px;
  padding: 22px;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
}
.dropzone:hover,
.dropzone.is-dragover {
  background: rgba(251, 142, 46, 0.12);
  border-color: rgba(251, 142, 46, 0.65);
}
.dropzone__icon {
  font-size: 2rem;
  color: var(--a-accent);
  opacity: 0.6;
}
.dropzone__title {
  color: var(--a-text);
  font-weight: 800;
  margin-top: 10px;
}
.dropzone__hint {
  color: var(--a-muted);
  margin-top: 6px;
  font-size: 0.87rem;
}

.filebox {
  display: none;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--a-surface);
  border: 1px solid var(--a-border);
}
.filebox.is-show {
  display: block;
}
.filebox__name {
  color: var(--a-text);
  font-weight: 800;
}
.filebox__size {
  color: var(--a-muted);
  margin-top: 4px;
}

.admin-upload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.admin-upload-card {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--a-border);
  background: var(--a-card);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.admin-upload-card[data-state="empty"] {
  border-color: rgba(108, 117, 125, 0.28);
}

.admin-upload-card[data-state="ready"] {
  border-color: rgba(40, 167, 69, 0.35);
  box-shadow: 0 0 0 1px rgba(40, 167, 69, 0.12);
}

.admin-upload-card[data-state="success"] {
  border-color: rgba(40, 167, 69, 0.4);
  box-shadow: 0 0 0 1px rgba(40, 167, 69, 0.18);
}

.admin-upload-card[data-state="error"] {
  border-color: rgba(220, 53, 69, 0.45);
  box-shadow: 0 0 0 1px rgba(220, 53, 69, 0.14);
}

.admin-upload-card.is-uploading {
  border-color: rgba(251, 142, 46, 0.38);
  box-shadow: 0 0 0 2px rgba(251, 142, 46, 0.1);
}

.admin-upload-card__title {
  font-weight: 800;
  color: var(--a-text);
}

.admin-upload-card__subtitle,
.admin-upload-card__file,
.admin-upload-card__status {
  color: var(--a-muted);
  font-size: 0.92rem;
}

.admin-upload-card__meta,
.admin-upload-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.admin-upload-card__meta {
  align-items: flex-start;
}

.admin-upload-card__indicator {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  display: inline-grid;
  place-items: center;
  font-size: 1rem;
  color: var(--a-muted);
}

.admin-upload-card__dropzone {
  display: block;
  padding: 12px;
}

.admin-upload-card__progress {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--a-border);
  overflow: hidden;
}

.admin-upload-card__progress-bar {
  width: 0;
  height: 100%;
  background: var(--a-accent);
  transition: width 0.25s ease;
  border-radius: 999px;
}

.admin-upload-card[data-state="ready"] .admin-upload-card__indicator,
.admin-upload-card[data-state="success"] .admin-upload-card__indicator,
.admin-upload-card[data-state="ready"] .admin-upload-card__status,
.admin-upload-card[data-state="success"] .admin-upload-card__status,
.admin-upload-card[data-state="ready"] .admin-upload-card__percent,
.admin-upload-card[data-state="success"] .admin-upload-card__percent {
  color: #16A34A;
}

.admin-upload-card[data-state="error"] .admin-upload-card__indicator,
.admin-upload-card[data-state="error"] .admin-upload-card__status,
.admin-upload-card[data-state="error"] .admin-upload-card__percent {
  color: #DC2626;
}

.admin-upload-card.is-uploading .admin-upload-card__indicator,
.admin-upload-card.is-uploading .admin-upload-card__status,
.admin-upload-card.is-uploading .admin-upload-card__percent {
  color: #9d5700;
}

.admin-upload-card[data-state="success"] .admin-upload-card__progress-bar {
  background: linear-gradient(90deg, #16A34A, #4ADE80);
}

.admin-upload-card[data-state="error"] .admin-upload-card__progress-bar {
  background: linear-gradient(90deg, #DC2626, #F87171);
}

.admin-upload-card__percent {
  flex: 0 0 auto;
  min-width: 46px;
  text-align: right;
  color: var(--a-muted);
  font-weight: 800;
}

.admin-upload-card__stats {
  color: var(--a-muted);
  font-size: 0.82rem;
  line-height: 1.4;
  word-break: break-word;
}

.admin-audio-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  border: 1px solid var(--a-border);
  background: var(--a-surface);
  color: var(--a-muted);
}

.admin-audio-chip.is-ready {
  border-color: rgba(22, 163, 74, 0.28);
  color: #16A34A;
  background: rgba(22, 163, 74, 0.07);
}

.admin-audio-chip.is-empty {
  border-color: rgba(251, 142, 46, 0.2);
  color: #8d4f00;
  background: rgba(251, 142, 46, 0.07);
}

.codebox {
  border: 1px solid var(--a-border);
  background: #0F172A;
  border-radius: 14px;
  padding: 14px;
  max-height: 320px;
  overflow: auto;
  color: rgba(255, 255, 255, 0.85);
  font-family: 'Cascadia Code', 'Fira Code', monospace;
  font-size: 0.82rem;
}

.admin-kv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.admin-kv {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 14px;
  border: 1px solid var(--a-border);
  border-radius: 14px;
  background: var(--a-surface);
}

.admin-kv span {
  color: var(--a-muted);
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.admin-kv strong {
  color: var(--a-text);
  font-size: 0.97rem;
  font-weight: 700;
}

.admin-text-soft {
  color: var(--a-muted);
  margin: 0;
}

.admin-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  z-index: 40;
  backdrop-filter: blur(2px);
}

/* Responsive */
@media (max-width: 1280px) {
  .admin-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 1024px) {
  .admin-grid {
    grid-template-columns: 1fr;
  }
  .admin-grid2 {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 900px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 268px;
    transform: translateX(-110%);
    transition: transform 0.25s ease;
    z-index: 50;
  }
  .admin-shell.is-sidebar-open .admin-sidebar {
    transform: translateX(0);
  }
  .admin-shell.is-sidebar-open .admin-overlay {
    display: block;
  }
  .admin-topbar__menu {
    display: inline-grid;
    place-items: center;
  }
  .admin-sidebar__close {
    display: inline-grid;
    place-items: center;
  }
  .formA__row {
    grid-template-columns: 1fr;
  }
  .admin-main {
    padding: 14px 16px;
  }
  .admin-subnav {
    padding-left: 8px;
  }
  .admin-topbar {
    border-radius: 14px;
  }
}

/* ===== Modal Editar Libro  ===== */
#editBookModal .modal-dialog {
  max-width: 1000px;
}

#editBookModal .modal-content {
  background: var(--a-card) !important;
  color: var(--a-text) !important;
  border-radius: 20px !important;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.18) !important;
  border: none !important;
  overflow: hidden;
}

#editBookModal .modal-header {
  background: var(--a-card2) !important;
  color: #fff !important;
  border-bottom: 3px solid var(--a-accent) !important;
  padding: 1.1rem 1.4rem;
}

#editBookModal .modal-title {
  font-weight: 800;
  letter-spacing: 0.2px;
}

#editBookModal .btn-close {
  filter: invert(1);
  opacity: 0.9;
}

#editBookModal .btn-close:hover {
  opacity: 1;
}

#editBookModal .modal-body {
  padding: 1rem 1.25rem 1.25rem;
}

#editBookModal .modal-footer {
  padding: 0.9rem 1.25rem 1.1rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08) !important;
  background: var(--a-bg);
}

#editBookModal .form-label {
  font-weight: 800;
  color: var(--a-text);
}

#editBookModal .form-control,
#editBookModal textarea.form-control {
  border-radius: 12px;
  border: 1px solid var(--a-border);
  background: var(--a-bg);
  color: var(--a-text);
}

#editBookModal .form-control:focus,
#editBookModal textarea.form-control:focus {
  border-color: var(--a-accent);
  box-shadow: 0 0 0 3px rgba(251, 142, 46, 0.16);
}

#editBookModal hr {
  border-color: rgba(0, 0, 0, 0.08) !important;
  opacity: 1;
}

#editBookModal .btn-primary {
  background: var(--a-accent);
  border-color: rgba(251, 142, 46, 0.4);
  font-weight: 800;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(251, 142, 46, 0.28);
}

#editBookModal .btn-outline-light {
  color: var(--a-text);
  border-color: var(--a-border);
  background: var(--a-surface);
  font-weight: 700;
  border-radius: 12px;
}

#editBookModal .btn-outline-light:hover {
  border-color: var(--a-accent);
  background: rgba(251, 142, 46, 0.08);
}

/* Tabla de capítulos */
#editBookModal .table {
  margin: 0;
}

#editBookModal .table thead th {
  background: #0f172a;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-weight: 800;
}

#editBookModal .table tbody td {
  background: #fff;
  color: var(--a-text);
  border-bottom: 1px solid var(--a-border);
}

#editBookModal .table-striped > tbody > tr:nth-of-type(odd) > * {
  background: #f8fafc;
}

#editBookModal small.text-white-50 {
  color: var(--a-muted) !important;
}

#editBookModal code {
  background: rgba(251, 142, 46, 0.1);
  color: var(--a-text) !important;
  border-radius: 8px;
  padding: 2px 7px;
}


/* ...existing code... */

/* ===== Empty States ===== */
.admin-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  text-align: center;
  gap: 12px;
}

.admin-empty__icon {
  font-size: 2.5rem;
  color: var(--a-muted);
  opacity: 0.5;
}

.admin-empty__title {
  font-weight: 800;
  color: var(--a-text);
  font-size: 1.1rem;
  margin: 0;
}

.admin-empty__desc {
  color: var(--a-muted);
  font-size: 0.9rem;
  max-width: 360px;
  margin: 0;
  line-height: 1.5;
}

.admin-empty__action {
  margin-top: 8px;
}

/* ===== Toast / Alertas contextuales ===== */
.admin-toast {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  animation: adminToastIn 0.3s ease;
  max-width: 420px;
}

.admin-toast--success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.admin-toast--error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.admin-toast--info {
  background: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

.admin-toast--warning {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}

.admin-toast__close {
  background: none;
  border: none;
  color: inherit;
  opacity: 0.6;
  cursor: pointer;
  padding: 0;
  font-size: 1rem;
  margin-left: auto;
}

.admin-toast__close:hover {
  opacity: 1;
}

@keyframes adminToastIn {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes adminToastOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(40px);
  }
}

/* ===== Badges mejorados (accesibles) ===== */
.admin-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.2px;
  text-transform: uppercase;
}

.admin-badge--ok {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.admin-badge--warn {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}

.admin-badge--muted {
  background: #f3f4f6;
  color: #6b7280;
  border: 1px solid #e5e7eb;
}

.admin-badge--danger {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ===== Action buttons: diferenciación destructiva ===== */
.btnA-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 10px;
  border: 1px solid var(--a-border);
  background: var(--a-bg);
  color: var(--a-text);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btnA-icon:hover {
  background: var(--a-surface);
  border-color: var(--a-accent);
  box-shadow: 0 0 0 2px rgba(251, 142, 46, 0.15);
}

.btnA-icon--danger {
  color: var(--a-danger);
  border-color: rgba(220, 53, 69, 0.25);
}

.btnA-icon--danger:hover {
  background: #fef2f2;
  border-color: var(--a-danger);
}

/* ===== Confirmación inline (reemplaza confirm()) ===== */
.admin-confirm {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 12px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  margin-bottom: 12px;
}

.admin-confirm.is-visible {
  display: flex;
}

.admin-confirm__text {
  flex: 1;
  font-size: 0.9rem;
  color: #991b1b;
  font-weight: 600;
}

/* ===== Step indicator (para flujo de importación) ===== */
.admin-steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 20px;
  padding: 0;
}

.admin-step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--a-muted);
  position: relative;
}

.admin-step__number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  font-weight: 800;
  background: var(--a-surface);
  border: 2px solid var(--a-border);
  color: var(--a-muted);
}

.admin-step.is-active .admin-step__number {
  background: var(--a-accent);
  border-color: var(--a-accent);
  color: #fff;
  box-shadow: 0 0 0 3px rgba(251, 142, 46, 0.2);
}

.admin-step.is-complete .admin-step__number {
  background: var(--a-ok);
  border-color: var(--a-ok);
  color: #fff;
}

.admin-step.is-active {
  color: var(--a-text);
}

.admin-step__connector {
  width: 40px;
  height: 2px;
  background: var(--a-border);
  flex-shrink: 0;
}

.admin-step.is-complete + .admin-step__connector,
.admin-step.is-complete ~ .admin-step__connector {
  background: var(--a-ok);
}

/* ===== Hint contextual (tooltip accesible) ===== */
.admin-hint {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--a-muted);
  font-size: 0.8rem;
  cursor: help;
}

.admin-hint__icon {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* ===== Stat section divider ===== */
.admin-section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0 14px;
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--a-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--a-border);
}

/* ===== Precio input con symbol prefix ===== */
.admin-input-group {
  display: flex;
  align-items: stretch;
  border-radius: 12px;
  border: 1px solid var(--a-border);
  overflow: hidden;
  background: var(--a-bg);
}

.admin-input-group__prefix {
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: var(--a-surface);
  border-right: 1px solid var(--a-border);
  color: var(--a-muted);
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
}

.admin-input-group .inputA,
.admin-input-group .form-control {
  border: none;
  border-radius: 0;
}

/* ===== Inline tag de cambio pendiente en usuario ===== */
.admin-dirty-indicator {
  display: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--a-accent);
  flex-shrink: 0;
}

.admin-dirty-indicator.is-dirty {
  display: inline-block;
}

/* ===== Modal: ajustes adicionales ===== */
#editBookModal .modal-content {
  background: var(--a-card) !important;
  color: var(--a-text) !important;
}

#editBookModal .table thead th {
  background: #0f172a;
  color: #fff;
}

#editBookModal .table tbody td {
  background: var(--a-bg);
  color: var(--a-text);
}

#editBookModal .table-striped > tbody > tr:nth-of-type(odd) > * {
  background: var(--a-surface);
}

/* ===== Accesibilidad: Focus visible ===== */
.btnA:focus-visible,
.btnA-icon:focus-visible,
.inputA:focus-visible,
.selectA:focus-visible,
.admin-nav__item:focus-visible,
.admin-link:focus-visible {
  outline: 3px solid var(--a-accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(251, 142, 46, 0.18);
}

/* ===== Responsive charts ===== */
@media (max-width: 520px) {
  .admin-charts-grid {
    grid-template-columns: 1fr !important;
  }
}