/* ============================================
   Panel de Administración - Estilos
   Asociación del Herbolario de España
   ============================================ */

/* === Variables del tema === */
:root {
  --admin-primary: #2D6A4F;
  --admin-secondary: #40916C;
  --admin-accent: #95D5B2;
  --admin-dark: #1B4332;
  --admin-bg: #F0F7F4;
  --admin-text: #1A1A2E;
  --admin-sidebar: #1B4332;
  --admin-white: #FFFFFF;
  --admin-success: #52B788;
  --admin-warning: #F4A261;
  --admin-danger: #E76F51;
  --admin-info: #2A9D8F;
  --admin-pending: #F4A261;
  --admin-completed: #52B788;
  --admin-expired: #E76F51;
  --admin-shadow: 0 4px 24px rgba(27, 67, 50, 0.08);
  --admin-shadow-hover: 0 8px 32px rgba(27, 67, 50, 0.16);
  --admin-radius: 16px;
  --admin-radius-sm: 10px;
  --admin-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 260px;
  --header-height: 72px;
}

/* === Reset y base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body.admin-body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* === Overlay de Login === */
.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--admin-dark) 0%, var(--admin-primary) 50%, var(--admin-secondary) 100%);
  animation: loginFadeIn 0.5s ease;
}

.login-overlay.hidden {
  display: none;
}

@keyframes loginFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.login-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--admin-radius);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  text-align: center;
  box-shadow: 0 16px 64px rgba(0, 0, 0, 0.3);
  animation: loginSlideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes loginSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-card .login-logo {
  font-size: 3rem;
  margin-bottom: 8px;
}

.login-card h2 {
  color: var(--admin-white);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.login-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

.login-card .login-input-group {
  position: relative;
  margin-bottom: 20px;
}

.login-card input[type="password"] {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--admin-radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: var(--admin-white);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: var(--admin-transition);
}

.login-card input[type="password"]::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.login-card input[type="password"]:focus {
  border-color: var(--admin-accent);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 4px rgba(149, 213, 178, 0.2);
}

.login-card .login-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--admin-accent), var(--admin-success));
  color: var(--admin-dark);
  border: none;
  border-radius: var(--admin-radius-sm);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--admin-transition);
}

.login-card .login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(149, 213, 178, 0.4);
}

.login-card .login-error {
  color: #ff6b6b;
  font-size: 0.85rem;
  margin-top: 12px;
  min-height: 20px;
}

/* === Layout principal === */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* === Sidebar === */
.admin-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--admin-dark) 0%, #143728 100%);
  color: var(--admin-white);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
}

.sidebar-header {
  padding: 28px 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--admin-white);
}

.sidebar-logo-icon {
  font-size: 2rem;
}

.sidebar-logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.sidebar-logo-text span {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--admin-accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.sidebar-nav-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.4);
  padding: 12px 16px 8px;
  font-weight: 600;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  border-radius: var(--admin-radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--admin-transition);
  margin-bottom: 4px;
  position: relative;
}

.sidebar-nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--admin-white);
}

.sidebar-nav a.active {
  background: rgba(149, 213, 178, 0.15);
  color: var(--admin-accent);
}

.sidebar-nav a.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 24px;
  background: var(--admin-accent);
  border-radius: 0 4px 4px 0;
}

.sidebar-nav a .nav-icon {
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-footer .logout-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  border-radius: var(--admin-radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--admin-transition);
  background: none;
  border: none;
  cursor: pointer;
  width: 100%;
  font-family: inherit;
}

.sidebar-footer .logout-btn:hover {
  background: rgba(231, 111, 81, 0.15);
  color: #ff6b6b;
}

/* === Contenido principal === */
.admin-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 32px;
  min-height: 100vh;
  transition: margin-left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Cabecera de página === */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--admin-dark);
  letter-spacing: -0.03em;
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* === Botones === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--admin-radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--admin-transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--admin-primary), var(--admin-secondary));
  color: var(--admin-white);
  box-shadow: 0 4px 12px rgba(45, 106, 79, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45, 106, 79, 0.4);
}

.btn-secondary {
  background: var(--admin-white);
  color: var(--admin-primary);
  border: 2px solid rgba(45, 106, 79, 0.2);
}

.btn-secondary:hover {
  border-color: var(--admin-primary);
  background: rgba(45, 106, 79, 0.04);
}

.btn-danger {
  background: linear-gradient(135deg, var(--admin-danger), #d35444);
  color: var(--admin-white);
  box-shadow: 0 4px 12px rgba(231, 111, 81, 0.3);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(231, 111, 81, 0.4);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
}

.btn-icon {
  padding: 10px;
  border-radius: var(--admin-radius-sm);
  background: var(--admin-white);
  color: var(--admin-text);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.btn-icon:hover {
  background: var(--admin-bg);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* === Tarjetas de estadísticas === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--admin-white);
  border-radius: var(--admin-radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--admin-shadow);
  transition: var(--admin-transition);
  border: 1px solid rgba(45, 106, 79, 0.06);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--admin-primary), var(--admin-accent));
  opacity: 0;
  transition: var(--admin-transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--admin-shadow-hover);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.stat-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 1.4rem;
  background: rgba(45, 106, 79, 0.08);
}

.stat-card-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--admin-dark);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-card-label {
  font-size: 0.8rem;
  color: #6b7280;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-card-change {
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px 8px;
  border-radius: 20px;
  margin-top: 8px;
}

.stat-card-change.positive {
  color: var(--admin-success);
  background: rgba(82, 183, 136, 0.1);
}

.stat-card-change.negative {
  color: var(--admin-danger);
  background: rgba(231, 111, 81, 0.1);
}

/* === Gráficos === */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.chart-card {
  background: var(--admin-white);
  border-radius: var(--admin-radius);
  padding: 24px;
  box-shadow: var(--admin-shadow);
  border: 1px solid rgba(45, 106, 79, 0.06);
}

.chart-card.full-width {
  grid-column: 1 / -1;
}

.chart-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.chart-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--admin-dark);
}

.chart-container {
  position: relative;
  width: 100%;
  max-height: 320px;
}

/* === Tablas de datos === */
.table-card {
  background: var(--admin-white);
  border-radius: var(--admin-radius);
  box-shadow: var(--admin-shadow);
  border: 1px solid rgba(45, 106, 79, 0.06);
  overflow: hidden;
}

.table-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  flex-wrap: wrap;
  gap: 12px;
}

.table-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--admin-dark);
}

.table-wrapper {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.admin-table thead th {
  padding: 14px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b7280;
  background: #f9fafb;
  border-bottom: 2px solid rgba(0, 0, 0, 0.06);
  white-space: nowrap;
}

.admin-table tbody tr {
  transition: var(--admin-transition);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.admin-table tbody tr:hover {
  background: rgba(45, 106, 79, 0.03);
}

.admin-table tbody tr.clickable {
  cursor: pointer;
}

.admin-table tbody td {
  padding: 14px 20px;
  color: var(--admin-text);
  vertical-align: middle;
}

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

/* === Badges de estado === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-pending {
  background: rgba(244, 162, 97, 0.12);
  color: #d68a3a;
}

.badge-completed {
  background: rgba(82, 183, 136, 0.12);
  color: #2e8b57;
}

.badge-expired {
  background: rgba(231, 111, 81, 0.12);
  color: #c75a3e;
}

.badge-info {
  background: rgba(42, 157, 143, 0.12);
  color: #1f7a6d;
}

/* === Barra de búsqueda === */
.search-bar {
  position: relative;
  max-width: 400px;
  width: 100%;
}

.search-bar input {
  width: 100%;
  padding: 10px 16px 10px 44px;
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--admin-radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--admin-white);
  color: var(--admin-text);
  transition: var(--admin-transition);
  outline: none;
}

.search-bar input:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 4px rgba(45, 106, 79, 0.1);
}

.search-bar .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #9ca3af;
  font-size: 1rem;
  pointer-events: none;
}

/* === Filtros === */
.filters-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-select {
  padding: 10px 36px 10px 14px;
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--admin-radius-sm);
  font-size: 0.85rem;
  font-family: inherit;
  background: var(--admin-white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E") no-repeat right 12px center;
  -webkit-appearance: none;
  appearance: none;
  color: var(--admin-text);
  cursor: pointer;
  outline: none;
  transition: var(--admin-transition);
  min-width: 150px;
}

.filter-select:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 4px rgba(45, 106, 79, 0.1);
}

.filter-input {
  padding: 10px 14px;
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--admin-radius-sm);
  font-size: 0.85rem;
  font-family: inherit;
  background: var(--admin-white);
  color: var(--admin-text);
  outline: none;
  transition: var(--admin-transition);
  min-width: 130px;
}

.filter-input:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 4px rgba(45, 106, 79, 0.1);
}

/* === Paginación === */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 20px;
}

.pagination button {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  background: var(--admin-white);
  color: var(--admin-text);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--admin-transition);
  font-family: inherit;
}

.pagination button:hover:not(:disabled) {
  background: var(--admin-primary);
  color: var(--admin-white);
  border-color: var(--admin-primary);
}

.pagination button.active {
  background: var(--admin-primary);
  color: var(--admin-white);
  border-color: var(--admin-primary);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination .pagination-info {
  padding: 0 12px;
  font-size: 0.8rem;
  color: #6b7280;
}

/* === Modales === */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 5000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: modalFadeIn 0.25s ease;
}

.modal-backdrop.hidden {
  display: none;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  background: var(--admin-white);
  border-radius: var(--admin-radius);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
  animation: modalSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal.modal-lg {
  max-width: 800px;
}

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--admin-dark);
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: rgba(0, 0, 0, 0.04);
  border-radius: 8px;
  font-size: 1.2rem;
  cursor: pointer;
  color: #6b7280;
  transition: var(--admin-transition);
}

.modal-close:hover {
  background: rgba(231, 111, 81, 0.1);
  color: var(--admin-danger);
}

.modal-body {
  padding: 28px;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 20px 28px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

/* === Formularios === */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--admin-text);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--admin-radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--admin-text);
  background: var(--admin-white);
  transition: var(--admin-transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 4px rgba(45, 106, 79, 0.1);
}

.form-control::placeholder {
  color: #9ca3af;
}

select.form-control {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

/* === Notificaciones Toast === */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-radius: var(--admin-radius-sm);
  background: var(--admin-white);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  font-size: 0.9rem;
  font-weight: 500;
  animation: toastSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  min-width: 300px;
  max-width: 450px;
  border-left: 4px solid;
}

.toast.toast-success {
  border-left-color: var(--admin-success);
}

.toast.toast-error {
  border-left-color: var(--admin-danger);
}

.toast.toast-info {
  border-left-color: var(--admin-info);
}

.toast.toast-warning {
  border-left-color: var(--admin-warning);
}

.toast.removing {
  animation: toastSlideOut 0.3s ease forwards;
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastSlideOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100%); }
}

.toast-close {
  margin-left: auto;
  background: none;
  border: none;
  color: #9ca3af;
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0 0 0 8px;
}

/* === Spinner de carga === */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(45, 106, 79, 0.15);
  border-top-color: var(--admin-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  gap: 16px;
  color: #6b7280;
  font-size: 0.9rem;
}

/* === Skeleton loaders === */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

.skeleton-text {
  height: 14px;
  margin-bottom: 8px;
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-card {
  height: 120px;
  border-radius: var(--admin-radius);
}

.skeleton-table-row {
  height: 52px;
  margin-bottom: 4px;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* === Estado vacío === */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--admin-dark);
  margin-bottom: 8px;
}

.empty-state-text {
  font-size: 0.9rem;
  color: #6b7280;
  max-width: 400px;
  line-height: 1.6;
}

/* === Tarjetas de informes de análisis === */
.report-card {
  background: var(--admin-white);
  border-radius: var(--admin-radius);
  padding: 24px;
  box-shadow: var(--admin-shadow);
  border: 1px solid rgba(45, 106, 79, 0.06);
  transition: var(--admin-transition);
  cursor: pointer;
}

.report-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--admin-shadow-hover);
}

.report-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.report-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--admin-dark);
}

.report-card-date {
  font-size: 0.8rem;
  color: #6b7280;
}

.report-card-preview {
  font-size: 0.85rem;
  color: #6b7280;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.reports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

/* === Contenido markdown del informe === */
.report-content {
  line-height: 1.8;
  font-size: 0.95rem;
}

.report-content h1,
.report-content h2,
.report-content h3 {
  color: var(--admin-dark);
  margin-top: 24px;
  margin-bottom: 12px;
}

.report-content h1 { font-size: 1.5rem; }
.report-content h2 { font-size: 1.25rem; }
.report-content h3 { font-size: 1.1rem; }

.report-content p {
  margin-bottom: 12px;
}

.report-content ul, .report-content ol {
  margin-bottom: 12px;
  padding-left: 24px;
}

.report-content li {
  margin-bottom: 6px;
}

.report-content strong {
  color: var(--admin-dark);
}

.report-content code {
  background: rgba(45, 106, 79, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

.report-content blockquote {
  border-left: 3px solid var(--admin-accent);
  padding: 12px 20px;
  margin: 16px 0;
  background: rgba(45, 106, 79, 0.03);
  border-radius: 0 8px 8px 0;
}

/* === Info card === */
.info-card {
  background: linear-gradient(135deg, rgba(45, 106, 79, 0.06), rgba(149, 213, 178, 0.08));
  border: 1px solid rgba(45, 106, 79, 0.12);
  border-radius: var(--admin-radius);
  padding: 24px;
  margin-bottom: 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.info-card-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.info-card-text {
  font-size: 0.9rem;
  color: var(--admin-text);
  line-height: 1.7;
}

.info-card-text strong {
  color: var(--admin-dark);
}

/* === Configuración de IA === */
.config-section {
  background: var(--admin-white);
  border-radius: var(--admin-radius);
  padding: 28px;
  box-shadow: var(--admin-shadow);
  border: 1px solid rgba(45, 106, 79, 0.06);
  margin-bottom: 28px;
}

.config-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--admin-dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* === Barra de progreso === */
.progress-bar-container {
  width: 100%;
  height: 8px;
  background: rgba(45, 106, 79, 0.1);
  border-radius: 10px;
  overflow: hidden;
  margin: 16px 0;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--admin-primary), var(--admin-accent));
  border-radius: 10px;
  transition: width 0.6s ease;
  animation: progressPulse 2s ease-in-out infinite;
}

@keyframes progressPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* === Enlace copiable === */
.copy-link-group {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(45, 106, 79, 0.04);
  padding: 8px 12px;
  border-radius: var(--admin-radius-sm);
  border: 1px solid rgba(45, 106, 79, 0.12);
}

.copy-link-group input {
  flex: 1;
  border: none;
  background: none;
  font-size: 0.85rem;
  color: var(--admin-text);
  font-family: 'SF Mono', monospace;
  outline: none;
}

.copy-link-group .btn-copy {
  padding: 6px 12px;
  font-size: 0.8rem;
  background: var(--admin-primary);
  color: var(--admin-white);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  font-family: inherit;
  transition: var(--admin-transition);
  white-space: nowrap;
}

.copy-link-group .btn-copy:hover {
  background: var(--admin-dark);
}

/* === Importar CSV === */
.csv-upload-area {
  border: 2px dashed rgba(45, 106, 79, 0.25);
  border-radius: var(--admin-radius);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: var(--admin-transition);
  background: rgba(45, 106, 79, 0.02);
}

.csv-upload-area:hover {
  border-color: var(--admin-primary);
  background: rgba(45, 106, 79, 0.05);
}

.csv-upload-area.dragover {
  border-color: var(--admin-primary);
  background: rgba(45, 106, 79, 0.08);
}

.csv-upload-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.csv-upload-text {
  font-size: 0.9rem;
  color: #6b7280;
}

.csv-upload-text strong {
  color: var(--admin-primary);
}

.csv-preview {
  margin-top: 20px;
  max-height: 300px;
  overflow: auto;
}

/* === Diálogo de confirmación === */
.confirm-dialog {
  text-align: center;
  padding: 20px 0;
}

.confirm-dialog-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.confirm-dialog-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--admin-dark);
  margin-bottom: 8px;
}

.confirm-dialog-text {
  font-size: 0.9rem;
  color: #6b7280;
  margin-bottom: 24px;
}

.confirm-dialog-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

/* === Campo de detalle en modal === */
.detail-field {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.detail-field:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.detail-field-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b7280;
  margin-bottom: 4px;
}

.detail-field-value {
  font-size: 0.95rem;
  color: var(--admin-text);
  line-height: 1.6;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
}

/* === Hamburger para móvil === */
.mobile-menu-btn {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 1001;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 10px;
  background: var(--admin-dark);
  color: var(--admin-white);
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: var(--admin-transition);
  align-items: center;
  justify-content: center;
}

.mobile-menu-btn:hover {
  transform: scale(1.05);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

/* === Respuestas detalle === */
.rating-display {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(45, 106, 79, 0.08);
  border-radius: 20px;
  font-weight: 700;
  color: var(--admin-dark);
}

/* === Animaciones de entrada === */
.fade-in {
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }

/* === Responsive === */
@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .admin-sidebar {
    transform: translateX(-100%);
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.active {
    display: block;
  }

  .admin-main {
    margin-left: 0;
    padding: 72px 16px 24px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .page-header h1 {
    font-size: 1.4rem;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-card-value {
    font-size: 1.5rem;
  }

  .modal {
    max-width: 100%;
    margin: 10px;
    max-height: calc(100vh - 20px);
  }

  .filters-row {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-select,
  .filter-input {
    min-width: 100%;
  }

  .reports-grid {
    grid-template-columns: 1fr;
  }

  .toast {
    min-width: auto;
    max-width: calc(100vw - 40px);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .admin-main {
    padding: 68px 12px 20px;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-header-actions {
    width: 100%;
  }

  .page-header-actions .btn {
    flex: 1;
    justify-content: center;
  }

  .admin-table {
    font-size: 0.8rem;
  }

  .admin-table thead th,
  .admin-table tbody td {
    padding: 10px 12px;
  }
}