/* ============================================================
   Admin Panel Styles
   Reuses existing design tokens (Kanit font, dark bg, primary colors)
   from style.css. Loaded only on /admin routes.
   ============================================================ */

:root {
  --admin-sidebar-w: 260px;
  --admin-topbar-h: 64px;
}

.admin-app {
  min-height: 100vh;
  background: rgb(var(--bg-1));
  color: rgb(var(--n0));
  font-family: var(--head-font);
  display: flex;
}

/* ---------- Sidebar ---------- */
.admin-sidebar {
  width: var(--admin-sidebar-w);
  background: rgb(var(--bg-2));
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}

.admin-sidebar-brand {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-sidebar-brand .brand-text {
  font-size: 18px;
  font-weight: 700;
  color: rgb(var(--n0));
  line-height: 1.2;
}

.admin-sidebar-brand .brand-sub {
  font-size: 11px;
  color: rgb(var(--n70));
  letter-spacing: 1px;
  text-transform: uppercase;
}

.admin-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-nav-section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgb(var(--n80));
  padding: 16px 12px 6px;
  font-weight: 600;
}

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 10px;
  color: rgb(var(--n80));
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  border: none;
  background: transparent;
  cursor: pointer;
  width: 100%;
  text-align: left;
}

.admin-nav-link i {
  font-size: 18px;
  width: 22px;
  text-align: center;
}

.admin-nav-link:hover {
  background: rgba(255, 255, 255, 0.04);
  color: rgb(var(--n0));
}

.admin-nav-link.active {
  background: rgba(var(--primary-1), 0.12);
  color: rgb(var(--primary-1));
}

.admin-sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ---------- Main area ---------- */
.admin-main {
  margin-left: var(--admin-sidebar-w);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.admin-topbar {
  height: var(--admin-topbar-h);
  background: rgb(var(--bg-2));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.admin-topbar-title {
  font-size: 18px;
  font-weight: 600;
  color: rgb(var(--n0));
}

.admin-topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 6px;
  background: rgb(var(--bg-3));
  border-radius: 30px;
  font-size: 13px;
  color: rgb(var(--n0));
}

.admin-user-chip .avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgb(var(--primary-1));
  color: rgb(var(--n900));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

.admin-content {
  padding: 28px;
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* ---------- Mobile sidebar toggle ---------- */
.admin-sidebar-toggle {
  display: none;
  background: transparent;
  border: none;
  color: rgb(var(--n0));
  font-size: 22px;
  cursor: pointer;
  padding: 6px;
}

.admin-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
}

@media (max-width: 991px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }

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

  .admin-sidebar-toggle {
    display: flex;
    align-items: center;
  }

  .admin-sidebar-backdrop.show {
    display: block;
  }

  .admin-main {
    margin-left: 0;
  }
}

/* ---------- Cards & panels ---------- */
.admin-panel {
  background: rgb(var(--bg-2));
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.admin-panel-header {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.admin-panel-title {
  font-size: 18px;
  font-weight: 600;
  color: rgb(var(--n0));
  margin: 0;
}

.admin-panel-body {
  padding: 24px;
}

/* ---------- Stat cards ---------- */
.admin-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.admin-stat-card {
  background: rgb(var(--bg-2));
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(var(--primary-1), 0.12);
  color: rgb(var(--primary-1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.admin-stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: rgb(var(--n0));
  line-height: 1.1;
}

.admin-stat-card .stat-label {
  font-size: 13px;
  color: rgb(var(--n80));
  margin-top: 2px;
}

/* ---------- Forms ---------- */
.admin-form-group {
  margin-bottom: 20px;
}

.admin-form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: rgb(var(--n60));
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-form-input,
.admin-form-textarea,
.admin-form-select {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgb(var(--bg-3));
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgb(var(--n0));
  font-family: var(--head-font);
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.admin-form-input:focus,
.admin-form-textarea:focus,
.admin-form-select:focus {
  border-color: rgb(var(--primary-1));
  box-shadow: 0 0 0 3px rgba(var(--primary-1), 0.15);
}

.admin-form-input::placeholder,
.admin-form-textarea::placeholder {
  color: rgb(var(--n80));
}

.admin-form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.6;
}

.admin-form-hint {
  font-size: 12px;
  color: rgb(var(--n80));
  margin-top: 6px;
}

.admin-form-error {
  font-size: 12px;
  color: rgb(var(--primary-3));
  margin-top: 6px;
}

.admin-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 575px) {
  .admin-form-row {
    grid-template-columns: 1fr;
  }
}

/* ---------- Buttons ---------- */
.admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-family: var(--head-font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.admin-btn-primary {
  background: rgb(var(--primary-1));
  color: rgb(var(--n900));
}

.admin-btn-primary:hover {
  background: rgba(var(--primary-1), 0.9);
}

.admin-btn-secondary {
  background: rgb(var(--bg-3));
  color: rgb(var(--n0));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.06);
}

.admin-btn-danger {
  background: rgba(var(--primary-3), 0.15);
  color: rgb(var(--primary-3));
}

.admin-btn-danger:hover {
  background: rgba(var(--primary-3), 0.25);
}

.admin-btn-sm {
  padding: 7px 14px;
  font-size: 13px;
}

.admin-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.admin-table th {
  text-align: left;
  padding: 14px 16px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgb(var(--n80));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  white-space: nowrap;
}

.admin-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: rgb(var(--n0));
  vertical-align: middle;
}

.admin-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.admin-table .col-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.admin-table-thumb {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  object-fit: cover;
  background: rgb(var(--bg-3));
}

.admin-table .text-truncate {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Badges ---------- */
.admin-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.admin-badge-success {
  background: rgba(var(--secondary-1), 0.15);
  color: rgb(var(--secondary-1));
}

.admin-badge-danger {
  background: rgba(var(--primary-3), 0.15);
  color: rgb(var(--primary-3));
}

.admin-badge-warning {
  background: rgba(var(--primary-1), 0.15);
  color: rgb(var(--primary-1));
}

.admin-badge-neutral {
  background: rgba(255, 255, 255, 0.08);
  color: rgb(var(--n80));
}

/* ---------- Search & filters bar ---------- */
.admin-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.admin-search {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 400px;
}

.admin-search input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border-radius: 10px;
  background: rgb(var(--bg-3));
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgb(var(--n0));
  font-family: var(--head-font);
  font-size: 14px;
  outline: none;
}

.admin-search input:focus {
  border-color: rgb(var(--primary-1));
}

.admin-search i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: rgb(var(--n80));
  font-size: 16px;
}

.admin-filter-select {
  padding: 10px 16px;
  border-radius: 10px;
  background: rgb(var(--bg-3));
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgb(var(--n0));
  font-family: var(--head-font);
  font-size: 14px;
  outline: none;
  cursor: pointer;
}

/* ---------- Pagination ---------- */
.admin-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.admin-pagination-info {
  font-size: 13px;
  color: rgb(var(--n80));
}

.admin-pagination-btns {
  display: flex;
  gap: 6px;
}

.admin-page-btn {
  min-width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgb(var(--bg-3));
  color: rgb(var(--n0));
  font-family: var(--head-font);
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
}

.admin-page-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.06);
}

.admin-page-btn.active {
  background: rgb(var(--primary-1));
  color: rgb(var(--n900));
  border-color: rgb(var(--primary-1));
}

.admin-page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ---------- Modal ---------- */
.admin-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
}

.admin-modal {
  background: rgb(var(--bg-2));
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  width: 100%;
  max-width: 640px;
  margin: auto;
}

.admin-modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-modal-title {
  font-size: 18px;
  font-weight: 600;
  color: rgb(var(--n0));
  margin: 0;
}

.admin-modal-close {
  background: transparent;
  border: none;
  color: rgb(var(--n80));
  font-size: 22px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.admin-modal-close:hover {
  color: rgb(var(--n0));
}

.admin-modal-body {
  padding: 24px;
  max-height: 65vh;
  overflow-y: auto;
}

.admin-modal-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ---------- Image upload ---------- */
.admin-image-upload {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.admin-image-preview {
  width: 80px;
  height: 80px;
  border-radius: 10px;
  object-fit: cover;
  background: rgb(var(--bg-3));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-image-upload-fields {
  flex: 1;
  min-width: 200px;
}

/* ---------- Toggle switch ---------- */
.admin-toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.admin-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.admin-toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgb(var(--bg-3));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  transition: 0.3s;
}

.admin-toggle-slider:before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 2px;
  bottom: 2px;
  background: rgb(var(--n80));
  border-radius: 50%;
  transition: 0.3s;
}

.admin-toggle input:checked + .admin-toggle-slider {
  background: rgba(var(--secondary-1), 0.3);
  border-color: rgb(var(--secondary-1));
}

.admin-toggle input:checked + .admin-toggle-slider:before {
  transform: translateX(20px);
  background: rgb(var(--secondary-1));
}

/* ---------- Login ---------- */
.admin-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgb(var(--bg-1));
  padding: 20px;
}

.admin-login-card {
  background: rgb(var(--bg-2));
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 40px;
  width: 100%;
  max-width: 420px;
}

.admin-login-logo {
  text-align: center;
  margin-bottom: 28px;
}

.admin-login-logo img {
  max-width: 200px;
  height: auto;
}

.admin-login-title {
  font-size: 22px;
  font-weight: 700;
  color: rgb(var(--n0));
  text-align: center;
  margin-bottom: 6px;
}

.admin-login-subtitle {
  font-size: 14px;
  color: rgb(var(--n80));
  text-align: center;
  margin-bottom: 28px;
}

.admin-login-error {
  background: rgba(var(--primary-3), 0.12);
  color: rgb(var(--primary-3));
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 20px;
}

/* ---------- Empty & loading states ---------- */
.admin-empty {
  text-align: center;
  padding: 60px 20px;
  color: rgb(var(--n80));
}

.admin-empty i {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
  color: rgb(var(--n100));
}

.admin-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: rgb(var(--n80));
}

.admin-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: rgb(var(--primary-1));
  border-radius: 50%;
  animation: admin-spin 0.8s linear infinite;
}

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

/* ---------- Toast ---------- */
.admin-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  padding: 14px 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: admin-toast-in 0.3s ease;
  max-width: 380px;
}

.admin-toast-success {
  background: rgba(var(--secondary-1), 0.15);
  color: rgb(var(--secondary-1));
  border: 1px solid rgba(var(--secondary-1), 0.3);
}

.admin-toast-error {
  background: rgba(var(--primary-3), 0.15);
  color: rgb(var(--primary-3));
  border: 1px solid rgba(var(--primary-3), 0.3);
}

@keyframes admin-toast-in {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ---------- Section header ---------- */
.admin-page-header {
  margin-bottom: 24px;
}

.admin-page-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: rgb(var(--n0));
  margin: 0 0 4px;
}

.admin-page-header p {
  font-size: 14px;
  color: rgb(var(--n80));
  margin: 0;
}

/* ---------- JSON list editor ---------- */
.admin-json-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-json-list-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-json-list-item input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 8px;
  background: rgb(var(--bg-3));
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgb(var(--n0));
  font-family: var(--head-font);
  font-size: 14px;
  outline: none;
}

.admin-json-list-item button {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.admin-json-list-add {
  margin-top: 8px;
}

/* ---------- Responsive content padding ---------- */
@media (max-width: 575px) {
  .admin-content {
    padding: 16px;
  }

  .admin-panel-body {
    padding: 16px;
  }

  .admin-topbar {
    padding: 0 16px;
  }
}