/* ============================================================
   TourCRM Layouts
   Sidebar + Header + Content area + Responsive
   ============================================================ */

/* ---- App Shell ---- */

.app {
  display: flex;
  min-height: 100vh;
}

/* ---- Sidebar ---- */

.sidebar {
  width: var(--sidebar-width);
  background: var(--color-bg-sidebar);
  color: var(--color-text-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  inset-block: 0;
  inset-inline-start: 0;
  z-index: var(--z-sidebar);
  transition: transform var(--transition-base), width var(--transition-base);
}

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

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  height: var(--header-height);
  border-block-end: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text-sidebar);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-3);
  overflow-y: auto;
}

.sidebar-section-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-sidebar-muted);
  padding: var(--space-4) var(--space-3) var(--space-2);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-sidebar);
  text-decoration: none;
  transition: background var(--transition-fast);
  cursor: pointer;
  min-height: 40px;
}

.sidebar-link:hover {
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
}

.sidebar-link.active {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  font-weight: var(--weight-medium);
}

.sidebar-link i {
  width: 20px;
  height: 20px;
  opacity: 0.7;
  flex-shrink: 0;
}

.sidebar-link.active i { opacity: 1; }

.nav-badge {
  margin-inline-start: auto;
  background: var(--color-danger, #ef4444);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: var(--space-3) var(--space-4);
  border-block-start: 1px solid rgba(255, 255, 255, 0.08);
}

/* ---- Main Content ---- */

.main {
  flex: 1;
  min-width: 0;
  margin-inline-start: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-inline-start var(--transition-base);
  overflow-x: clip;
}

/* ---- Header ---- */

.header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  background: var(--color-bg-surface);
  border-block-end: 1px solid var(--color-border);
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-sticky);
  gap: var(--space-3);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  font-family: var(--font-body);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile hamburger button */
.btn-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text);
}

.btn-hamburger:hover {
  background: var(--color-bg-surface-hover);
}

.header-search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-muted);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  min-width: 200px;
}

.header-search kbd {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  padding: 1px 5px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  margin-inline-start: auto;
}

/* ---- User Menu ---- */

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-primary-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  cursor: pointer;
}

/* ---- Page Content ---- */

.page-content {
  flex: 1;
  padding: var(--space-6);
  max-width: 100%;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-block-end: var(--space-6);
  gap: var(--space-3);
}

/* ---- Breadcrumbs ---- */

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-block-end: var(--space-4);
}

.breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.breadcrumbs-separator {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.breadcrumbs-current {
  color: var(--color-text-secondary);
  font-weight: var(--weight-medium);
}

/* ---- Login Page ---- */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--color-bg);
  padding: var(--space-4);
}

.login-card {
  width: 400px;
  max-width: 100%;
  padding: var(--space-8);
}

.login-title {
  text-align: center;
  margin-block-end: var(--space-2);
}

.login-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-block-end: var(--space-8);
}

/* ---- Tabs ---- */

.tabs-wrapper {
  position: -webkit-sticky;
  position: sticky;
  top: var(--header-height);
  z-index: var(--z-sticky);
  background: var(--color-bg);
  margin-inline: calc(-1 * var(--space-6));
  padding-inline: var(--space-6);
  margin-block-end: var(--space-6);
}

/* Fade overlays to hint at more tabs */
.tabs-wrapper::before,
.tabs-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 48px;
  pointer-events: none;
  z-index: 1;
  transition: opacity var(--transition-fast);
}

/* Right fade (default visible) */
.tabs-wrapper::after {
  right: 0;
  background: linear-gradient(to right, transparent, var(--color-bg));
  opacity: 1;
}

.tabs-wrapper.scrolled-end::after {
  opacity: 0;
}

/* Left fade (visible when scrolled) */
.tabs-wrapper::before {
  left: 0;
  background: linear-gradient(to left, transparent, var(--color-bg));
  opacity: 0;
}

.tabs-wrapper.scrolled-start::before {
  opacity: 1;
}

.tabs {
  display: flex;
  gap: 0;
  border-block-end: 1px solid var(--color-border);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: none;
  scrollbar-width: none;
  /* Extra right padding so last tab isn't hidden behind fade */
  padding-inline-end: 40px;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-block-end: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-block-end: -1px;
  white-space: nowrap;
}

.tab:hover { color: var(--color-text); }
.tab.active {
  color: var(--color-primary);
  border-block-end-color: var(--color-primary);
}

/* ---- Table Toolbar ---- */

.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-block-end: var(--space-4);
}

.table-toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
}

.search-input-wrap {
  position: relative;
  flex: 1;
  max-width: 280px;
}

.search-input-icon {
  position: absolute;
  inset-inline-start: var(--space-3);
  inset-block-start: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.search-input {
  padding-inline-start: var(--space-8) !important;
  width: 100%;
}

.status-filter {
  width: 160px;
}

/* ---- Table Pagination ---- */

.table-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.pagination-page {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  min-width: 60px;
  text-align: center;
}

/* ---- Card Grid ---- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr));
  gap: var(--space-4);
}

/* ---- Detail Rows ---- */

.detail-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.detail-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
  gap: var(--space-3);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-label {
  color: var(--color-text-secondary);
  min-width: 0;
}

.detail-value {
  text-align: end;
  color: var(--color-text);
  word-break: break-word;
}

/* ---- Sortable Table Headers ---- */

.sortable {
  cursor: pointer;
  user-select: none;
}

.sortable:hover {
  color: var(--color-text);
}

/* ---- Skeleton Loading ---- */

.skeleton {
  background: var(--color-bg-muted);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  animation: skeleton-shimmer 1.5s infinite;
}

[data-theme="dark"] .skeleton::after {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent);
}

.skeleton-text {
  height: 14px;
  margin-block-end: var(--space-2);
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-title {
  height: 20px;
  width: 40%;
  margin-block-end: var(--space-4);
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.skeleton-row {
  height: 48px;
  margin-block-end: var(--space-2);
}

@keyframes skeleton-shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ---- Mobile Cards (table replacement) ---- */

.mobile-cards {
  display: none;
}

.mobile-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.mobile-card:hover {
  background: var(--color-bg-surface-hover);
}

.mobile-card + .mobile-card {
  margin-block-start: var(--space-3);
}

.mobile-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-block-end: var(--space-2);
}

.mobile-card-name {
  font-weight: var(--weight-medium);
  font-size: var(--text-base);
}

.mobile-card-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  padding: var(--space-1) 0;
  color: var(--color-text-secondary);
}

.mobile-card-row span:last-child {
  color: var(--color-text);
}


/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */

/* ---- Tablet (768px - 1023px) ---- */

@media (max-width: 1023px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

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

  .main {
    margin-inline-start: 0;
  }

  .btn-hamburger {
    display: flex;
  }

  .header-search {
    min-width: auto;
  }

  .header-search span,
  .header-search kbd {
    display: none;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Mobile (<768px) ---- */

@media (max-width: 767px) {
  .header {
    padding: 0 var(--space-3);
    gap: var(--space-2);
  }

  /* Hide non-essential header items on mobile */
  .header-search {
    display: none;
  }

  .header-title {
    font-size: var(--text-base);
  }

  .page-content {
    padding: var(--space-3);
  }

  .page-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }

  .page-header .btn {
    width: 100%;
    justify-content: center;
  }

  /* Table toolbar stacks */
  .table-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }

  .table-toolbar-left {
    flex-direction: column;
  }

  .search-input-wrap {
    max-width: none;
  }

  .status-filter {
    width: 100%;
  }

  .table-toolbar > .btn {
    width: 100%;
    justify-content: center;
  }

  /* Hide desktop table, show mobile cards */
  .responsive-table .table-wrapper {
    display: none;
  }

  .responsive-table .mobile-cards {
    display: block;
  }

  /* Non-responsive tables: horizontal scroll with reduced padding */
  .table-wrapper table {
    font-size: var(--text-sm);
  }

  .table-wrapper th,
  .table-wrapper td {
    padding: var(--space-2) var(--space-3);
  }

  /* Table pagination stacks */
  .table-pagination {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }

  /* Entity header stacks vertically */
  .entity-header {
    flex-direction: column;
    gap: var(--space-3);
  }

  .entity-header-info {
    gap: var(--space-3);
  }

  .entity-name {
    font-size: var(--text-lg);
  }

  .entity-actions {
    width: 100%;
    display: flex;
    gap: var(--space-2);
  }

  .entity-actions .btn {
    flex: 1;
    justify-content: center;
  }

  /* Tabs wrapper: adjust for smaller page padding */
  .tabs-wrapper {
    margin-inline: calc(-1 * var(--space-3));
    padding-inline: var(--space-3);
  }

  .tab {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
  }

  /* Hover actions always visible on touch */
  .hover-actions {
    opacity: 1 !important;
  }

  /* Card grid single column */
  .card-grid {
    grid-template-columns: 1fr;
  }

  /* Card reduced padding */
  .card {
    padding: var(--space-4);
  }

  /* Detail rows — keep horizontal but allow wrapping */
  .detail-row {
    gap: var(--space-2);
  }

  /* Two-column form fields stack on mobile */
  [style*="display:flex"][style*="gap:var(--space-4)"] {
    flex-direction: column !important;
    gap: 0 !important;
  }

  /* Login responsive */
  .login-card {
    padding: var(--space-5);
  }

  /* Breadcrumbs */
  .breadcrumbs {
    font-size: var(--text-sm);
  }

  /* Timeline items */
  .timeline-item {
    gap: var(--space-2);
  }

  /* List items */
  .list-item {
    flex-wrap: wrap;
  }
}

/* ---- Small phones (<380px) ---- */

@media (max-width: 380px) {
  .page-content {
    padding: var(--space-2);
  }

  .card {
    padding: var(--space-3);
    border-radius: var(--radius-md);
  }

  .entity-avatar {
    width: 40px;
    height: 40px;
    font-size: var(--text-sm);
  }

  .modal {
    padding: var(--space-4);
  }
}