/**
 * Telima HR — iOS-style UI layer (Bootstrap 5 component overrides; optional)
 */
:root {
  --ios-bg: #f2f2f7;
  --ios-surface: #ffffff;
  --ios-surface-elevated: #ffffff;
  --ios-label: #000000;
  --ios-secondary-label: rgba(60, 60, 67, 0.6);
  --ios-tertiary-label: rgba(60, 60, 67, 0.3);
  --ios-separator: rgba(60, 60, 67, 0.12);
  --ios-blue: #007aff;
  --ios-blue-pressed: #0062cc;
  --ios-green: #34c759;
  --ios-orange: #ff9500;
  --ios-red: #ff3b30;
  --ios-indigo: #5856d6;
  --ios-radius-lg: 14px;
  --ios-radius-md: 10px;
  --ios-radius-sm: 8px;
  --ios-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
  --ios-sidebar-w: 268px;
  --ios-blur: saturate(180%) blur(20px);
}

[data-bs-theme="dark"] {
  --ios-bg: #000000;
  --ios-surface: #1c1c1e;
  --ios-surface-elevated: #2c2c2e;
  --ios-label: #ffffff;
  --ios-secondary-label: rgba(235, 235, 245, 0.6);
  --ios-tertiary-label: rgba(235, 235, 245, 0.3);
  --ios-separator: rgba(84, 84, 88, 0.65);
  --ios-shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.ios-admin {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--ios-bg);
  color: var(--ios-label);
  min-height: 100vh;
}

.ios-admin .text-muted {
  color: var(--ios-secondary-label) !important;
}

/* Sidebar */
.ios-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1040;
  width: var(--ios-sidebar-w);
  height: 100vh;
  padding: 1rem 0.75rem;
  background: rgba(242, 242, 247, 0.82);
  backdrop-filter: var(--ios-blur);
  -webkit-backdrop-filter: var(--ios-blur);
  border-right: 1px solid var(--ios-separator);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-bs-theme="dark"] .ios-sidebar {
  background: rgba(28, 28, 30, 0.82);
}

.ios-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.75rem 1.25rem;
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--ios-label);
  text-decoration: none;
}

.ios-sidebar-brand .brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(145deg, var(--ios-blue), #5ac8fa);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 2px 8px rgba(0, 122, 255, 0.35);
}

.ios-nav-section {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ios-secondary-label);
  padding: 1rem 0.75rem 0.35rem;
}

.ios-nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.75rem;
  margin-bottom: 2px;
  border-radius: var(--ios-radius-sm);
  color: var(--ios-label);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: background 0.15s ease;
}

.ios-nav-link:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--ios-label);
}

[data-bs-theme="dark"] .ios-nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
}

.ios-nav-link.active {
  background: rgba(0, 122, 255, 0.12);
  color: var(--ios-blue);
}

.ios-nav-link i {
  font-size: 1.125rem;
  opacity: 0.85;
}

/* Top bar */
.ios-topbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 56px;
  padding: 0.5rem 1.25rem;
  margin: -0.5rem -0.5rem 1rem;
  background: rgba(242, 242, 247, 0.72);
  backdrop-filter: var(--ios-blur);
  -webkit-backdrop-filter: var(--ios-blur);
  border-bottom: 1px solid var(--ios-separator);
  border-radius: 0 0 var(--ios-radius-lg) var(--ios-radius-lg);
}

[data-bs-theme="dark"] .ios-topbar {
  background: rgba(0, 0, 0, 0.72);
}

[data-bs-theme="dark"] .ios-admin .btn-light {
  background-color: var(--ios-surface-elevated);
  color: var(--ios-label);
  border: 1px solid var(--ios-separator);
}

[data-bs-theme="dark"] .ios-admin .btn-link {
  color: var(--ios-label) !important;
}

.ios-menu-toggle {
  display: none;
  border: none;
  background: var(--ios-surface);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  color: var(--ios-blue);
  box-shadow: var(--ios-shadow);
}

.ios-search {
  max-width: 420px;
  flex: 1;
}

.ios-search .form-control {
  border-radius: 10px;
  border: none;
  background: rgba(118, 118, 128, 0.12);
  padding: 0.5rem 0.75rem 0.5rem 2.5rem;
}

.ios-search .search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ios-secondary-label);
  pointer-events: none;
}

/* Main */
.ios-main-wrap {
  margin-left: var(--ios-sidebar-w);
  padding: 1rem 1.25rem 2rem;
  min-height: 100vh;
}

.ios-page-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
}

.ios-page-sub {
  font-size: 0.9375rem;
  color: var(--ios-secondary-label);
  margin-bottom: 1.5rem;
}

/* Cards */
.ios-card {
  background: var(--ios-surface);
  border: none;
  border-radius: var(--ios-radius-lg);
  box-shadow: var(--ios-shadow);
  overflow: hidden;
}

.ios-card .card-header {
  background: transparent;
  border-bottom: 1px solid var(--ios-separator);
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 1.0625rem;
}

.ios-card .card-body {
  padding: 1.25rem;
}

/* Stat tiles */
.ios-stat {
  border-radius: var(--ios-radius-lg);
  padding: 1.25rem;
  background: var(--ios-surface);
  box-shadow: var(--ios-shadow);
  height: 100%;
}

.ios-stat-label {
  font-size: 0.8125rem;
  color: var(--ios-secondary-label);
  font-weight: 500;
}

.ios-stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 0.25rem;
}

.ios-stat-delta {
  font-size: 0.8125rem;
  font-weight: 600;
  margin-top: 0.35rem;
}

.ios-stat-delta.up {
  color: var(--ios-green);
}
.ios-stat-delta.down {
  color: var(--ios-red);
}

.ios-stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #fff;
}

/* Buttons */
.ios-admin .btn {
  border-radius: var(--ios-radius-md);
  font-weight: 600;
  padding: 0.5rem 1rem;
}

.ios-admin .btn-primary {
  background-color: var(--ios-blue);
  border-color: var(--ios-blue);
}

.ios-admin .btn-primary:hover {
  background-color: var(--ios-blue-pressed);
  border-color: var(--ios-blue-pressed);
}

.ios-admin .btn-outline-secondary {
  border-color: var(--ios-separator);
  color: var(--ios-label);
}

.ios-admin .btn-lg {
  border-radius: 12px;
  padding: 0.65rem 1.25rem;
}

.ios-admin .btn-sm {
  border-radius: 8px;
}

/* Segmented control (tabs) */
.ios-segmented {
  display: inline-flex;
  padding: 3px;
  background: rgba(118, 118, 128, 0.12);
  border-radius: 9px;
  gap: 2px;
}

.ios-segmented .nav-link {
  border: none;
  border-radius: 7px;
  padding: 0.35rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ios-label);
}

.ios-segmented .nav-link.active {
  background: var(--ios-surface);
  color: var(--ios-label);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* List group iOS */
.ios-list .list-group-item {
  border: none;
  border-bottom: 1px solid var(--ios-separator);
  padding: 0.85rem 1rem;
  background: var(--ios-surface);
}

.ios-list .list-group-item:first-child {
  border-top-left-radius: var(--ios-radius-lg);
  border-top-right-radius: var(--ios-radius-lg);
}

.ios-list .list-group-item:last-child {
  border-bottom: none;
  border-bottom-left-radius: var(--ios-radius-lg);
  border-bottom-right-radius: var(--ios-radius-lg);
}

/* Forms */
.ios-admin .form-control,
.ios-admin .form-select {
  border-radius: var(--ios-radius-md);
  border: 1px solid var(--ios-separator);
  padding: 0.55rem 0.85rem;
}

.ios-admin .form-control:focus,
.ios-admin .form-select:focus {
  border-color: var(--ios-blue);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.25);
}

.ios-admin .form-check-input:checked {
  background-color: var(--ios-blue);
  border-color: var(--ios-blue);
}

.ios-admin .input-group-text {
  border-radius: var(--ios-radius-md);
  border-color: var(--ios-separator);
  background: rgba(118, 118, 128, 0.08);
}

/* Tables */
.ios-table-wrap {
  border-radius: var(--ios-radius-lg);
  overflow: hidden;
  background: var(--ios-surface);
  box-shadow: var(--ios-shadow);
}

.ios-admin .table {
  margin-bottom: 0;
}

.ios-admin .table thead th {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ios-secondary-label);
  border-bottom: 1px solid var(--ios-separator);
  background: rgba(118, 118, 128, 0.06);
}

.ios-admin .table td {
  vertical-align: middle;
  border-color: var(--ios-separator);
}

/* Badges */
.ios-admin .badge {
  font-weight: 600;
  padding: 0.35em 0.65em;
  border-radius: 6px;
}

/* Alerts */
.ios-admin .alert {
  border: none;
  border-radius: var(--ios-radius-md);
}

/* Modal */
.ios-admin .modal-content {
  border: none;
  border-radius: var(--ios-radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}

.ios-admin .modal-header {
  border-bottom: 1px solid var(--ios-separator);
}

.ios-admin .modal-footer {
  border-top: 1px solid var(--ios-separator);
}

/* Offcanvas */
.ios-admin .offcanvas {
  border-radius: var(--ios-radius-lg) 0 0 var(--ios-radius-lg);
}

/* Dropdown */
.ios-admin .dropdown-menu {
  border: none;
  border-radius: var(--ios-radius-md);
  box-shadow: var(--ios-shadow);
  padding: 0.35rem;
}

.ios-admin .dropdown-item {
  border-radius: 8px;
  padding: 0.45rem 0.75rem;
  font-weight: 500;
}

.ios-admin .dropdown-item:active {
  background: rgba(0, 122, 255, 0.12);
  color: var(--ios-blue);
}

/* Pagination */
.ios-admin .page-link {
  border: none;
  border-radius: 8px;
  margin: 0 2px;
  color: var(--ios-blue);
  font-weight: 500;
}

.ios-admin .page-item.active .page-link {
  background: var(--ios-blue);
}

/* Breadcrumb */
.ios-admin .breadcrumb {
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* Progress */
.ios-admin .progress {
  height: 8px;
  border-radius: 4px;
  background: rgba(118, 118, 128, 0.12);
}

.ios-admin .progress-bar {
  border-radius: 4px;
}

/* Spinner */
.ios-admin .spinner-border,
.ios-admin .spinner-grow {
  width: 1.5rem;
  height: 1.5rem;
}

/* Toast */
.ios-admin .toast {
  border: none;
  border-radius: var(--ios-radius-md);
  box-shadow: var(--ios-shadow);
}

/* Avatar */
.ios-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  background: linear-gradient(145deg, #af52de, #ff2d55);
}

.ios-avatar-sm {
  width: 32px;
  height: 32px;
}

/* Overlay sidebar mobile */
.ios-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 1035;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.ios-sidebar-backdrop.show {
  display: block;
  opacity: 1;
}

@media (max-width: 991.98px) {
  .ios-sidebar {
    transform: translateX(-100%);
    box-shadow: none;
  }

  .ios-sidebar.show {
    transform: translateX(0);
    box-shadow: 8px 0 24px rgba(0, 0, 0, 0.12);
  }

  .ios-main-wrap {
    margin-left: 0;
  }

  .ios-menu-toggle {
    display: inline-flex;
  }

  .ios-search {
    max-width: none;
  }
}

/* Chart placeholder bars */
.ios-chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 160px;
  padding-top: 1rem;
}

.ios-chart-bar {
  flex: 1;
  border-radius: 6px 6px 2px 2px;
  background: linear-gradient(180deg, var(--ios-blue), #5ac8fa);
  min-height: 8px;
  opacity: 0.9;
}

[data-bs-theme="dark"] .ios-chart-bar {
  opacity: 0.85;
}