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

.admin-login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
  z-index: 2;
}

.admin-login-card {
  width: 100%;
  max-width: 440px;
  padding: 2.5rem;
  text-align: left;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-footer-hint {
  margin-top: 1.75rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-sub);
}

.login-footer-hint code {
  background: var(--surface-glass);
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  border: 1px solid var(--surface-glass-border);
}

/* ==========================================================================
   Admin Dashboard Layout
   ========================================================================== */

.admin-layout {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 2;
}

.admin-sidebar {
  width: 280px;
  background: var(--surface-card);
  border-right: 1px solid var(--surface-glass-border);
  backdrop-filter: blur(20px);
  padding: 1.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

@media (max-width: 900px) {
  .admin-layout {
    flex-direction: column;
  }
  .admin-sidebar {
    width: 100%;
    height: auto;
    position: relative;
    border-right: none;
    border-bottom: 1px solid var(--surface-glass-border);
  }
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--surface-glass-border);
}

.admin-brand h3 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
  overflow-y: auto;
}

.nav-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  background: transparent;
  border: none;
  font-size: 0.925rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
  width: 100%;
  text-decoration: none;
}

.nav-tab-btn:hover {
  color: var(--text-main);
  background: var(--surface-glass);
}

.nav-tab-btn.active {
  color: #ffffff;
  background: var(--primary);
  box-shadow: 0 4px 15px var(--primary-glow);
  font-weight: 600;
}

.nav-tab-btn .badge-count {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
}

.admin-sidebar-footer {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--surface-glass-border);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.admin-main {
  flex: 1;
  padding: 2.25rem 2.5rem;
  max-width: 1150px;
}

@media (max-width: 600px) {
  .admin-main {
    padding: 1.5rem 1rem;
  }
}

.admin-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--surface-glass-border);
  flex-wrap: wrap;
  gap: 1rem;
}

.admin-view-site-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-border);
  border-radius: var(--radius-full);
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}

.admin-view-site-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ==========================================================================
   Tab Panes & Forms
   ========================================================================== */

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeInPane 0.3s ease;
}

@keyframes fadeInPane {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-header {
  margin-bottom: 1.75rem;
}

.section-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 0.925rem;
}

/* Mode Switch Card Selector */
.mode-selector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

@media (max-width: 650px) {
  .mode-selector-grid {
    grid-template-columns: 1fr;
  }
}

.mode-radio-label {
  cursor: pointer;
  display: block;
}

.mode-radio-label input[type="radio"] {
  display: none;
}

.mode-card {
  padding: 1.5rem;
  background: var(--surface-glass);
  border: 2px solid var(--surface-glass-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.mode-radio-label input[type="radio"]:checked + .mode-card {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.12);
  box-shadow: var(--shadow-glow);
}

.mode-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--surface-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.mode-info h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.mode-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Color Presets Swatches */
.preset-swatches {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1rem 0 2rem;
}

.preset-choice {
  cursor: pointer;
}

.preset-choice input[type="radio"] {
  display: none;
}

.preset-pill {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-full);
  border: 2px solid var(--surface-glass-border);
  background: var(--surface-glass);
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
}

.preset-color-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
}

.preset-choice input[type="radio"]:checked + .preset-pill {
  border-color: var(--primary);
  background: var(--surface-card-hover);
  box-shadow: 0 0 15px var(--primary-glow);
}

/* Data Tables */
.admin-table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-glass-border);
  background: var(--surface-card);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.admin-table th {
  background: rgba(255, 255, 255, 0.03);
  padding: 1rem 1.25rem;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--surface-glass-border);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.admin-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--surface-glass-border);
  color: var(--text-main);
  vertical-align: top;
}

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

.admin-table tr:hover td {
  background: var(--surface-glass);
}

.badge-status {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-status.badge-new {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  color: var(--text-muted);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--text-sub);
}