/* ============================================================================
   Layout
   ============================================================================ */

.admin-layout {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg-primary);
}

@media (min-width: 1024px) {
  .admin-layout {
    align-items: flex-start;
  }
}

/* ============================================================================
   Sidebar
   ============================================================================ */

/* -- Theme variables for sidebar -- */
[data-theme="dark"] .admin-sidebar {
  --sb-bg: #141414;
  --sb-border: #2a2a2a;
  --sb-text: #a0a0a0;
  --sb-text-hover: #ddd;
  --sb-hover-bg: #1f1f1f;
  --sb-active-bg: #ffffff;
  --sb-active-text: #141414;
  --sb-label: #444;
  --sb-muted: #555;
  --sb-scrollbar: #333;
}

[data-theme="light"] .admin-sidebar {
  --sb-bg: #ffffff;
  --sb-border: #e8e6e1;
  --sb-text: #7c7c84;
  --sb-text-hover: #1a1a1a;
  --sb-hover-bg: #f5f4f2;
  --sb-active-bg: #141414;
  --sb-active-text: #ffffff;
  --sb-label: #a0a0a0;
  --sb-muted: #a0a0a0;
  --sb-scrollbar: #ddd;
}

.admin-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  z-index: 50;
  background: var(--sb-bg);
  border-right: 1px solid var(--sb-border);
  display: flex;
  flex-direction: column;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  transform: translateX(-100%);
  visibility: hidden;
  transition:
    transform 0.3s ease,
    visibility 0.3s ease;
  overflow: hidden;
  overscroll-behavior: none;
}

.admin-sidebar.open {
  transform: translateX(0);
  visibility: visible;
  touch-action: none;
}

@media (min-width: 1024px) {
  .admin-sidebar {
    right: auto;
    width: 220px;
    height: 100%;
    transform: none;
    visibility: visible;
    padding: 0;
  }
}

[data-theme="light"] .admin-sidebar {
  box-shadow:
    1px 0 0 0 var(--sb-border),
    4px 0 16px rgba(0, 0, 0, 0.04);
}

/* Sidebar Overlay (mobile) */
.admin-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 49;
  backdrop-filter: blur(2px);
}

.admin-sidebar-overlay.open {
  display: block;
}

@media (min-width: 1024px) {
  .admin-sidebar-overlay {
    display: none !important;
  }
}

/* Sidebar Header */
.admin-sidebar-header {
  padding: 0 18px;
  height: 73px;
  border-bottom: 1px solid var(--sb-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.admin-sidebar-logo {
  height: 28px;
  width: auto;
}

.admin-sidebar-close {
  display: block;
  padding: 0.5rem;
  background: transparent;
  border: none;
  color: var(--sb-text);
  cursor: pointer;
  border-radius: 6px;
}

.admin-sidebar-close:hover {
  background: var(--sb-hover-bg);
  color: var(--sb-text-hover);
}

@media (min-width: 1024px) {
  .admin-sidebar-close {
    display: none;
  }
}

/* Sidebar Navigation */
.admin-sidebar-nav {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 4px 0;
}

.admin-sidebar-nav::-webkit-scrollbar {
  width: 5px;
}

.admin-sidebar-nav::-webkit-scrollbar-track {
  background: transparent;
}

.admin-sidebar-nav::-webkit-scrollbar-thumb {
  background: var(--sb-scrollbar);
  border-radius: 99px;
}

/* Nav Section */
.admin-nav-section {
  padding: 14px 10px 6px;
}

.admin-nav-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--sb-label);
  padding: 0 8px;
  margin-bottom: 4px;
}

/* Nav Item */
.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: 7px;
  color: var(--sb-text);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 13px;
  font-weight: 450;
  margin-bottom: 1px;
  text-decoration: none;
  user-select: none;
}

.admin-nav-item:hover {
  background: var(--sb-hover-bg);
  color: var(--sb-text-hover);
}

.admin-nav-item.active {
  background: var(--sb-active-bg);
  color: var(--sb-active-text);
  font-weight: 600;
}

.admin-nav-item.active svg {
  color: var(--accent-color);
}

.admin-nav-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

@media (max-width: 1023px) {
  .admin-nav-item {
    padding: 10px 12px;
    font-size: 15px;
    gap: 10px;
  }

  .admin-nav-item svg {
    width: 18px;
    height: 18px;
  }
}

/* Sidebar Footer */
.admin-sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--sb-border);
  padding: 14px 10px;
  flex-shrink: 0;
}

.admin-user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 8px;
  margin-bottom: 4px;
}

.admin-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-color);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
}

.admin-user-details {
  flex: 1;
  min-width: 0;
}

.admin-user-name {
  color: var(--sb-text-hover);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-user-role {
  color: var(--sb-muted);
  font-size: 11px;
}

.admin-logout-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 7px 10px;
  background: transparent;
  border: none;
  color: var(--sb-text);
  cursor: pointer;
  border-radius: 7px;
  font-size: 12px;
  font-family: inherit;
  transition: all 0.15s ease;
}

.admin-logout-btn:hover {
  background: var(--sb-hover-bg);
  color: var(--sb-text-hover);
}

.admin-logout-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .admin-sidebar-footer {
    padding: 10px 8px;
  }

  .admin-user-chip {
    padding: 6px;
  }

  .admin-logout-btn {
    padding: 8px;
    font-size: 13px;
  }
}

/* ============================================================================
   Main Content Area
   ============================================================================ */

.admin-main {
  flex: 1;
  min-width: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

@media (min-width: 1024px) {
  .admin-main {
    margin-left: 220px;
  }
}

/* Header */
.admin-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  height: calc(73px + env(safe-area-inset-top, 0px));
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  padding-top: env(safe-area-inset-top, 0px);
}

@media (min-width: 1024px) {
  .admin-header {
    left: 220px;
    padding: 0 1.5rem;
  }
}

.admin-menu-btn {
  display: block;
  padding: 0.5rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--border-radius-sm);
}

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

@media (min-width: 1024px) {
  .admin-menu-btn {
    display: none;
  }
}

.admin-header-theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 50%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.admin-header-theme-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-color-hover);
  transform: scale(1.05);
}

.admin-theme-icon {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all 0.3s ease;
  opacity: 0;
  transform: rotate(180deg) scale(0.5);
}

.admin-theme-icon.visible {
  opacity: 1;
  transform: rotate(0) scale(1);
}

/* Content */
.admin-content {
  flex: 1;
  padding: 1rem;
  padding-top: calc(73px + 1rem + env(safe-area-inset-top, 0px));
}

@media (min-width: 1024px) {
  .admin-content {
    padding: 28px 32px;
    padding-top: calc(73px + 28px);
  }
}

/* ============================================================================
   Page Headers
   ============================================================================ */

.admin-page-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .admin-page-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.admin-page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-heading);
  margin-bottom: 0.25rem;
}

.admin-page-subtitle {
  color: var(--text-secondary);
  font-size: 13px;
}

.admin-page-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .admin-page-actions {
    width: 100%;
  }

  .admin-page-actions .admin-btn {
    flex: 1;
  }
}

/* ============================================================================
   Grid System
   ============================================================================ */

.admin-grid {
  display: grid;
  gap: 1rem;
}

.admin-grid > .admin-card {
  margin-bottom: 0;
}

.admin-grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .admin-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .admin-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.admin-grid-4 {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
  .admin-grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Page header on mobile */
@media (max-width: 480px) {
  .admin-page-title {
    font-size: 18px;
  }

  .admin-page-subtitle {
    font-size: 12px;
  }

  .admin-content {
    padding: 12px !important;
    padding-top: calc(73px + 12px + env(safe-area-inset-top, 0px)) !important;
  }
}

/* Grid - single column on small mobile */
@media (max-width: 480px) {
  .admin-grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ============================================================================
   Settings Grid
   ============================================================================ */

.admin-settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.admin-settings-grid > .admin-card {
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .admin-settings-grid {
    grid-template-columns: 1fr;
  }
}