:root {
  --bg-color: #0a0a0a;
  --surface-color: #141414;
  --surface-hover: #1f1f1f;
  --text-primary: #f0f0f0;
  --text-secondary: #999999;
  --accent-color: #d4af37; /* Metallic Gold */
  --accent-hover: #f1c40f;
  --border-color: #333333;
  --danger-color: #e74c3c;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  letter-spacing: 1px;
}

.admin-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 20px;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  background: var(--surface-color);
  padding: 20px 40px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
}

.admin-header h1 {
  margin: 0;
  font-size: 28px;
  color: var(--accent-color);
}

.admin-grid {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 40px;
}

@media (max-width: 992px) {
  .admin-grid {
    grid-template-columns: 1fr;
  }
}

.admin-card {
  background: var(--surface-color);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.admin-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.7);
}

.admin-card h2 {
  margin-top: 0;
  margin-bottom: 25px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
  color: var(--text-primary);
  font-size: 22px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

.form-group input[type="text"],
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 15px;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.form-group input[type="text"]:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}

.form-group input[type="file"] {
  display: block;
  width: 100%;
  padding: 10px 0;
  color: var(--text-secondary);
}

.form-group input[type="file"]::file-selector-button {
  padding: 10px 20px;
  border-radius: 6px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
  margin-right: 15px;
  font-family: 'Inter', sans-serif;
}

.form-group input[type="file"]::file-selector-button:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.btn {
  padding: 14px 24px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  font-family: 'Inter', sans-serif;
}

.btn-primary {
  background: linear-gradient(135deg, #d4af37 0%, #b5952f 100%);
  color: #000;
  width: 100%;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #f1c40f 0%, #d4af37 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  text-decoration: none;
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.btn-danger {
  background-color: transparent;
  color: var(--danger-color);
  border: 1px solid var(--danger-color);
  padding: 8px 16px;
  font-size: 13px;
  border-radius: 6px;
}

.btn-danger:hover {
  background-color: var(--danger-color);
  color: #fff;
}

.image-preview-container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 15px;
}

.image-preview-container img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  opacity: 0;
  animation: fadeIn 0.4s forwards ease-out;
}

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

.admin-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.admin-table th {
  padding: 15px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.admin-table td {
  padding: 15px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.admin-table tbody tr {
  transition: background-color 0.2s ease;
}

.admin-table tbody tr:hover {
  background-color: var(--surface-hover);
}

.admin-table img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
  font-style: italic;
}

/* Edit Modal Styles */
.admin-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.admin-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.admin-modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.admin-modal-content {
  position: relative;
  background: var(--bg-color);
  width: 90%;
  max-width: 1100px;
  max-height: 90vh;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 60px rgba(0,0,0,0.8);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.admin-modal.active .admin-modal-content {
  transform: translateY(0);
}

.admin-modal-header {
  padding: 20px 30px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface-color);
}

.admin-modal-header h2 {
  margin: 0;
  color: var(--accent-color);
  font-size: 22px;
}

.admin-modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 28px;
  cursor: pointer;
  transition: color 0.3s ease;
}

.admin-modal-close:hover {
  color: var(--text-primary);
}

.admin-modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  padding: 30px;
  overflow-y: auto;
}

@media (max-width: 768px) {
  .admin-modal-body {
    grid-template-columns: 1fr;
  }
}

.edit-gallery-section, .edit-form-section {
  display: flex;
  flex-direction: column;
}

.help-text {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 0;
  margin-bottom: 20px;
}

/* Sortable Image Grid */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 15px;
  background: var(--surface-color);
  padding: 20px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.image-grid-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: grab;
  background: #000;
}

.image-grid-item:active {
  cursor: grabbing;
}

.image-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
  pointer-events: none;
}

.image-grid-item:hover img {
  transform: scale(1.05);
}

/* Cover Badge */
.image-grid-item:first-child {
  border-color: var(--accent-color);
}

.image-grid-item:first-child::after {
  content: '封面';
  position: absolute;
  top: 0;
  left: 0;
  background: var(--accent-color);
  color: #000;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-bottom-right-radius: 8px;
  z-index: 10;
}

/* Sortable Ghost */
.sortable-ghost {
  opacity: 0.4;
  border: 2px dashed var(--text-secondary);
}

.sortable-drag {
  cursor: grabbing !important;
}

textarea {
  width: 100%;
  padding: 14px 16px;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 15px;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
  box-sizing: border-box;
  resize: vertical;
}

textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}
.image-grid-item { position: relative; }
.delete-img-btn {
  position: absolute; top: 5px; right: 5px; background: rgba(255,0,0,0.8);
  color: white; border: none; border-radius: 50%; width: 24px; height: 24px;
  cursor: pointer; font-size: 14px; display: flex; align-items: center; justify-content: center;
  z-index: 10;
}
.delete-img-btn:hover { background: red; }