/* ============================================
   Admin Panel Styles
   ============================================ */

:root {
  --admin-primary: #4f46e5;
  --admin-primary-hover: #4338ca;
  --admin-bg: #f8fafc;
  --admin-sidebar-bg: #1e293b;
  --admin-sidebar-text: #94a3b8;
  --admin-sidebar-active: #ffffff;
  --admin-card-bg: #ffffff;
  --admin-border: #e2e8f0;
  --admin-text: #1e293b;
  --admin-text-muted: #64748b;
  --admin-success: #10b981;
  --admin-warning: #f59e0b;
  --admin-error: #ef4444;
  --admin-radius: 8px;
  --admin-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
  line-height: 1.6;
}

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

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--admin-sidebar-bg);
  color: var(--admin-sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}

.sidebar__header {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.sidebar__version {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.sidebar__nav {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 0;
}

.nav-group {
  margin-bottom: 1.5rem;
}

.nav-group__title {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--admin-sidebar-text);
  padding: 0.5rem 1.5rem;
  opacity: 0.7;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1.5rem;
  color: var(--admin-sidebar-text);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.2s;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.nav-item.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--admin-sidebar-active);
  border-left: 3px solid var(--admin-primary);
}

.nav-item--highlight {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  border-radius: 0.5rem;
  margin: 0 0.75rem 0.5rem;
  padding: 0.75rem 1rem;
  font-weight: 500;
}

.nav-item--highlight:hover {
  background: linear-gradient(135deg, #5558e8 0%, #7c4fe8 100%);
  color: #fff;
}

.nav-item__icon {
  font-size: 1rem;
}

.sidebar__footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
}

.content-header {
  background: var(--admin-card-bg);
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 50;
}

.content-header__title {
  font-size: 1.25rem;
  font-weight: 600;
}

.content-header__right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.content-body {
  flex: 1;
  padding: 2rem;
}

/* Section Panels */
.section-panel {
  display: none;
}

.section-panel.active {
  display: block;
}

/* Cards */
.card {
  background: var(--admin-card-bg);
  border-radius: var(--admin-radius);
  box-shadow: var(--admin-shadow);
  margin-bottom: 1.5rem;
}

.card__header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card__title {
  font-size: 1rem;
  font-weight: 600;
}

.card__body {
  padding: 1.5rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--admin-text);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  background: #fff;
  color: var(--admin-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.form-color {
  width: 48px;
  height: 48px;
  padding: 0;
  border: 2px solid var(--admin-border);
  border-radius: var(--admin-radius);
  cursor: pointer;
}

.color-input-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.color-value {
  font-family: monospace;
  font-size: 0.875rem;
  color: var(--admin-text-muted);
}

.color-picker-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* Image Preview */
.image-preview {
  max-width: 200px;
  max-height: 100px;
  margin-top: 0.75rem;
  border-radius: var(--admin-radius);
  border: 1px solid var(--admin-border);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: var(--admin-radius);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--admin-primary);
  color: #fff;
}

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

.btn-secondary {
  background: var(--admin-bg);
  color: var(--admin-text);
  border: 1px solid var(--admin-border);
}

.btn-secondary:hover {
  background: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--admin-sidebar-text);
  border: 1px solid var(--admin-sidebar-text);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  background: var(--admin-bg);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  cursor: pointer;
  font-size: 0.875rem;
}

.btn-icon:hover {
  background: #fff;
}

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

/* Save Status */
.save-status {
  font-size: 0.8125rem;
  padding: 0.375rem 0.75rem;
  border-radius: 999px;
}

.status-saved {
  background: rgba(16, 185, 129, 0.1);
  color: var(--admin-success);
}

.status-saving {
  background: rgba(245, 158, 11, 0.1);
  color: var(--admin-warning);
}

.status-unsaved {
  background: rgba(239, 68, 68, 0.1);
  color: var(--admin-error);
}

/* Visibility Toggle */
.visibility-toggle {
  display: flex;
  align-items: center;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.toggle-label input[type="checkbox"] {
  display: none;
}

.toggle-slider {
  width: 44px;
  height: 24px;
  background: var(--admin-border);
  border-radius: 999px;
  position: relative;
  transition: background 0.2s;
}

.toggle-slider::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: transform 0.2s;
  box-shadow: var(--admin-shadow);
}

.toggle-label input:checked + .toggle-slider {
  background: var(--admin-success);
}

.toggle-label input:checked + .toggle-slider::after {
  transform: translateX(20px);
}

.toggle-text {
  font-size: 0.875rem;
  color: var(--admin-text-muted);
}

/* Checkbox Group */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
}

/* Template Selector */
.template-selector {
  margin-bottom: 1.5rem;
}

.template-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 0.75rem;
}

.template-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  border: 2px solid var(--admin-border);
  border-radius: var(--admin-radius);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.template-option:hover {
  border-color: var(--admin-primary);
}

.template-option.selected {
  border-color: var(--admin-primary);
  background: rgba(79, 70, 229, 0.05);
}

.template-option input[type="radio"] {
  display: none;
}

.template-preview {
  width: 60px;
  height: 40px;
  background: var(--admin-bg);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.template-preview-icon {
  font-size: 1.5rem;
}

.template-name {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.template-desc {
  font-size: 0.75rem;
  color: var(--admin-text-muted);
}

/* List Container */
.list-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.list-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: var(--admin-bg);
  border-radius: var(--admin-radius);
}

.list-item-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.list-item-content .form-input,
.list-item-content .form-textarea {
  background: #fff;
}

.list-item-actions {
  display: flex;
  gap: 0.5rem;
}

.empty-state {
  text-align: center;
  color: var(--admin-text-muted);
  padding: 2rem;
}

/* Markdown Editor */
.markdown-editor {
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  overflow: hidden;
}

.markdown-toolbar {
  display: flex;
  gap: 0.25rem;
  padding: 0.5rem;
  background: var(--admin-bg);
  border-bottom: 1px solid var(--admin-border);
}

.markdown-btn {
  padding: 0.375rem 0.625rem;
  font-size: 0.8125rem;
  font-weight: 600;
  background: #fff;
  border: 1px solid var(--admin-border);
  border-radius: 4px;
  cursor: pointer;
}

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

.markdown-btn.preview-toggle {
  margin-left: auto;
  background: var(--admin-primary);
  color: #fff;
  border: none;
}

.markdown-editor .form-textarea {
  border: none;
  border-radius: 0;
}

.markdown-preview {
  display: none;
  padding: 1.5rem;
  background: #fff;
  min-height: 300px;
}

.markdown-preview.active {
  display: block;
}

.markdown-preview h1,
.markdown-preview h2,
.markdown-preview h3 {
  margin-bottom: 0.75rem;
}

.markdown-preview p {
  margin-bottom: 1rem;
}

/* Help Text */
.help-text {
  font-size: 0.875rem;
  color: var(--admin-text-muted);
  margin-bottom: 1rem;
}

/* Notifications */
.notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: var(--admin-radius);
  background: var(--admin-sidebar-bg);
  color: #fff;
  font-size: 0.875rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s;
  z-index: 1000;
}

.notification-show {
  transform: translateY(0);
  opacity: 1;
}

.notification-success {
  background: var(--admin-success);
}

.notification-error {
  background: var(--admin-error);
}

.notification-info {
  background: var(--admin-primary);
}

/* Responsive */
@media (max-width: 1024px) {
  .sidebar {
    width: 220px;
  }
  
  .main-content {
    margin-left: 220px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .template-options {
    grid-template-columns: 1fr;
  }
  
  .color-picker-group {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .content-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }
  
  .content-body {
    padding: 1rem;
  }
}

/* ============================================
   Form Submissions Styles
   ============================================ */

.card__actions {
  display: flex;
  gap: 0.5rem;
}

.submissions-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--admin-bg);
  border-radius: var(--admin-radius);
  padding: 1.25rem;
  text-align: center;
  border: 1px solid var(--admin-border);
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--admin-primary);
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--admin-text-muted);
  margin-top: 0.25rem;
}

.table-container {
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
}

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

.data-table th,
.data-table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--admin-border);
}

.data-table th {
  background: var(--admin-bg);
  font-weight: 600;
  color: var(--admin-text);
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background: rgba(79, 70, 229, 0.04);
}

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

.data-table .empty-row td {
  text-align: center;
  color: var(--admin-text-muted);
  padding: 3rem 1rem;
  font-style: italic;
}

.data-table .message-cell {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.data-table .message-cell:hover {
  white-space: normal;
  overflow: visible;
}

.data-table .actions-cell {
  white-space: nowrap;
}

.data-table .actions-cell .btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

.submissions-actions {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--admin-border);
}

.btn-danger {
  background: var(--admin-error);
  color: #fff;
  border: none;
}

.btn-danger:hover {
  background: #dc2626;
}

.date-cell {
  white-space: nowrap;
  font-size: 0.8rem;
  color: var(--admin-text-muted);
}

@media (max-width: 768px) {
  .submissions-stats {
    grid-template-columns: 1fr;
  }
  
  .data-table {
    font-size: 0.8rem;
  }
  
  .data-table th,
  .data-table td {
    padding: 0.5rem;
  }
}