/* ==========================================================================
   WhiteSur — Bootstrap 5 Theme
   Inspired by the WhiteSur macOS theme by ananicy.
   Include AFTER bootstrap.min.css.
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Local palette
   -------------------------------------------------------------------------- */
:root {
  --ws-bg: #fafafa;
  --ws-bg-rgb: 250, 250, 250;

  --ws-blue: #007aff;
  --ws-blue-dark: #0062cc;
  --ws-blue-soft: rgba(0, 122, 255, 0.12);
  --ws-purple: #bf5af2;
  --ws-pink: #ff375f;
  --ws-red: #ff3b30;
  --ws-orange: #ff9500;
  --ws-yellow: #ffcc00;
  --ws-green: #34c759;
  --ws-teal: #30b0c7;
  --ws-gray: #8e8e93;
  --ws-graphite: #1d1d1f;

  --ws-surface: rgba(255, 255, 255, 0.72);
  --ws-surface-solid: #ffffff;
  --ws-surface-muted: rgba(118, 118, 128, 0.09);
  --ws-surface-muted-strong: rgba(118, 118, 128, 0.16);
  --ws-hairline: rgba(60, 60, 67, 0.18);
  --ws-hairline-strong: rgba(60, 60, 67, 0.28);
  --ws-text: #1d1d1f;
  --ws-text-secondary: rgba(60, 60, 67, 0.62);
  --ws-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --ws-shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
  --ws-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16), 0 2px 8px rgba(0, 0, 0, 0.06);
  --ws-vibrancy: saturate(180%) blur(20px);
  --ws-blur: saturate(180%) blur(30px);
}

[data-bs-theme="dark"] {
  --ws-bg: #15171c;
  --ws-bg-rgb: 21, 23, 28;
  --ws-blue: #0a84ff;
  --ws-blue-dark: #409cff;
  --ws-blue-soft: rgba(10, 132, 255, 0.22);
  --ws-purple: #da8fff;
  --ws-pink: #ff6482;
  --ws-red: #ff453a;
  --ws-orange: #ff9f0a;
  --ws-yellow: #ffd60a;
  --ws-green: #32d74b;
  --ws-teal: #40c8e0;
  --ws-gray: #98989f;
  --ws-graphite: #f5f5f7;

  --ws-surface: rgba(38, 38, 41, 0.72);
  --ws-surface-solid: #1c1c1e;
  --ws-surface-muted: rgba(118, 118, 128, 0.24);
  --ws-surface-muted-strong: rgba(118, 118, 128, 0.36);
  --ws-hairline: rgba(84, 84, 88, 0.65);
  --ws-hairline-strong: rgba(84, 84, 88, 0.9);
  --ws-text: #f5f5f7;
  --ws-text-secondary: rgba(235, 235, 245, 0.62);
  --ws-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --ws-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --ws-shadow-lg: 0 18px 44px rgba(0, 0, 0, 0.65);
}

/* --------------------------------------------------------------------------
   1. Bootstrap variable overrides
   -------------------------------------------------------------------------- */
:root {
  /* Contextual palette */
  --bs-primary: var(--ws-blue);
  --bs-primary-rgb: 0, 122, 255;
  --bs-secondary: var(--ws-gray);
  --bs-secondary-rgb: 142, 142, 147;
  --bs-success: var(--ws-green);
  --bs-success-rgb: 52, 199, 89;
  --bs-info: var(--ws-teal);
  --bs-info-rgb: 48, 176, 199;
  --bs-warning: var(--ws-orange);
  --bs-warning-rgb: 255, 149, 0;
  --bs-danger: var(--ws-red);
  --bs-danger-rgb: 255, 59, 48;
  --bs-light: var(--ws-surface-muted);
  --bs-light-rgb: 236, 236, 236;
  --bs-dark: var(--ws-text);
  --bs-dark-rgb: 29, 29, 31;

  /* Body & surfaces */
  --bs-body-bg: var(--ws-bg);
  --bs-body-bg-rgb: var(--ws-bg-rgb);
  --bs-body-color: var(--ws-text);
  --bs-emphasis-color: var(--ws-text);
  --bs-secondary-color: var(--ws-text-secondary);
  --bs-tertiary-color: var(--ws-text-secondary);
  --bs-secondary-bg: var(--ws-surface-muted);
  --bs-tertiary-bg: var(--ws-surface-solid);
  --bs-body-color-rgb: 29, 29, 31;
  --bs-border-color: var(--ws-hairline);
  --bs-border-color-translucent: var(--ws-hairline);

  /* Typography — San Francisco lookalike stack */
  --bs-font-sans-serif: -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "SF Pro Display", "Inter", "Helvetica Neue", "Segoe UI", Roboto, sans-serif;
  --bs-font-monospace: "SF Mono", ui-monospace, "JetBrains Mono", Menlo,
    Consolas, monospace;
  --bs-body-font-size: 0.9375rem;
  --bs-body-font-weight: 400;
  --bs-body-line-height: 1.5;
  --bs-body-letter-spacing: -0.006em;

  /* Geometry — generously rounded like macOS controls */
  --bs-border-radius: 0.5rem;
  --bs-border-radius-sm: 0.375rem;
  --bs-border-radius-lg: 0.75rem;
  --bs-border-radius-xl: 1rem;
  --bs-border-radius-pill: 50rem;

  /* Focus ring */
  --bs-focus-ring-width: 0.1875rem;
  --bs-focus-ring-opacity: 0.4;
  --bs-focus-ring-color: rgba(var(--bs-primary-rgb), 0.4);
  --bs-focus-ring-blur: 0;
}

[data-bs-theme="dark"] {
  --bs-primary-rgb: 10, 132, 255;
  --bs-secondary-rgb: 152, 152, 159;
  --bs-success-rgb: 50, 215, 75;
  --bs-info-rgb: 64, 200, 224;
  --bs-warning-rgb: 255, 159, 10;
  --bs-danger-rgb: 255, 69, 58;
  --bs-light-rgb: 44, 44, 46;
  --bs-dark-rgb: 245, 245, 247;
  --bs-body-color-rgb: 245, 245, 247;
  --bs-emphasis-color: var(--ws-text);
}

/* --------------------------------------------------------------------------
   2. Base & typography
   -------------------------------------------------------------------------- */
html {
  background-color: var(--ws-bg);
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: var(--bs-body-letter-spacing);
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1, .h1 { font-weight: 700; letter-spacing: -0.028em; }
.display-1, .display-2, .display-3,
.display-4, .display-5, .display-6 {
  font-weight: 700;
  letter-spacing: -0.03em;
}

a {
  color: var(--bs-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code, kbd, samp, pre {
  font-family: var(--bs-font-monospace);
  font-size: 0.85em;
}

kbd {
  background-color: var(--ws-surface-solid);
  border: 1px solid var(--ws-hairline);
  border-radius: var(--bs-border-radius-sm);
  box-shadow: 0 1px 0 var(--ws-hairline-strong);
}

blockquote {
  border-inline-start: 3px solid var(--ws-hairline-strong);
  padding-inline-start: 1rem;
  font-style: normal;
}

hr {
  border-color: var(--ws-hairline);
  opacity: 1;
}

/* --------------------------------------------------------------------------
   3. Buttons
   -------------------------------------------------------------------------- */
.btn {
  --bs-btn-font-weight: 500;
  --bs-btn-border-radius: var(--bs-border-radius);
  --bs-btn-padding-y: 0.4375rem;
  --bs-btn-padding-x: 1rem;
  letter-spacing: -0.01em;
  transition: background-color 0.15s ease, box-shadow 0.15s ease,
    transform 0.08s ease, filter 0.15s ease;
  box-shadow: none;
}

.btn:active {
  transform: scale(0.975);
  box-shadow: none !important;
}

.btn:focus-visible {
  box-shadow: 0 0 0 var(--bs-focus-ring-width) var(--bs-focus-ring-color);
}

.btn-primary {
  --bs-btn-bg: var(--bs-primary);
  --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: var(--ws-blue-dark);
  --bs-btn-hover-border-color: var(--ws-blue-dark);
  --bs-btn-active-bg: var(--ws-blue-dark);
  --bs-btn-active-border-color: var(--ws-blue-dark);
  --bs-btn-disabled-bg: var(--ws-gray);
  --bs-btn-disabled-border-color: var(--ws-gray);
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
  --bs-btn-active-color: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

.btn-primary:hover {
  box-shadow: 0 4px 12px rgba(var(--bs-primary-rgb), 0.32);
}

.btn-secondary {
  --bs-btn-bg: var(--bs-secondary);
  --bs-btn-border-color: transparent;
  --bs-btn-hover-bg: var(--ws-surface-muted-strong);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: var(--ws-surface-muted-strong);
  --bs-btn-color: var(--ws-text);
  --bs-btn-hover-color: var(--ws-text);
}

.btn-success {
  --bs-btn-bg: var(--bs-success);
  --bs-btn-border-color: transparent;
  --bs-btn-hover-bg: var(--ws-green);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: var(--ws-green);
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
}

.btn-danger {
  --bs-btn-bg: var(--bs-danger);
  --bs-btn-border-color: transparent;
  --bs-btn-hover-bg: var(--ws-red);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: var(--ws-red);
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
}

.btn-warning {
  --bs-btn-bg: var(--ws-yellow);
  --bs-btn-border-color: transparent;
  --bs-btn-hover-bg: var(--ws-orange);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: var(--ws-orange);
  --bs-btn-color: var(--ws-text);
  --bs-btn-hover-color: var(--ws-text);
}

.btn-info {
  --bs-btn-bg: var(--ws-teal);
  --bs-btn-border-color: transparent;
  --bs-btn-hover-bg: var(--bs-info);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: var(--bs-info);
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
}

.btn-light {
  --bs-btn-bg: var(--ws-surface-muted);
  --bs-btn-border-color: transparent;
  --bs-btn-hover-bg: var(--ws-surface-muted-strong);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: var(--ws-surface-muted-strong);
  --bs-btn-color: var(--ws-text);
  --bs-btn-hover-color: var(--ws-text);
}

.btn-dark {
  --bs-btn-bg: var(--ws-text);
  --bs-btn-border-color: transparent;
  --bs-btn-hover-bg: var(--ws-graphite);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: var(--ws-graphite);
  --bs-btn-color: var(--bs-body-bg);
  --bs-btn-hover-color: var(--bs-body-bg);
}

.btn-link {
  --bs-btn-color: var(--bs-primary);
  --bs-btn-hover-color: var(--ws-blue-dark);
  text-decoration: none;
}

.btn-group > .btn {
  border-radius: 0;
}

.btn-group > .btn:first-child {
  border-start-start-radius: var(--bs-border-radius);
  border-end-start-radius: var(--bs-border-radius);
}

.btn-group > .btn:last-child {
  border-start-end-radius: var(--bs-border-radius);
  border-end-end-radius: var(--bs-border-radius);
}

.btn-group > .btn-check:checked + .btn {
  background-color: var(--ws-blue-soft);
  border-color: var(--ws-blue-soft);
  color: var(--bs-primary);
}

.btn-close {
  border-radius: var(--bs-border-radius-sm);
  opacity: 0.55;
  transition: opacity 0.15s ease, background-color 0.15s ease;
}

.btn-close:hover {
  opacity: 1;
  background-color: var(--ws-surface-muted-strong);
}

/* --------------------------------------------------------------------------
   4. Navbar / window toolbar (vibrancy)
   -------------------------------------------------------------------------- */
.navbar {
  --bs-navbar-padding-y: 0.5rem;
  min-height: 3.25rem;
  background-color: var(--ws-surface) !important;
  -webkit-backdrop-filter: var(--ws-vibrancy);
  backdrop-filter: var(--ws-vibrancy);
  border-bottom: 1px solid var(--ws-hairline);
  box-shadow: var(--ws-shadow-sm);
}

.navbar.navbar-dark,
.navbar[data-bs-theme="dark"] {
  --bs-navbar-color: rgba(235, 235, 245, 0.82);
  --bs-navbar-hover-color: #fff;
  --bs-navbar-active-color: #fff;
}

.navbar .navbar-brand {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.navbar .nav-link {
  --bs-nav-link-color: var(--ws-text-secondary);
  --bs-nav-link-hover-color: var(--bs-primary);
  font-weight: 500;
  border-radius: var(--bs-border-radius-sm);
  padding-inline: 0.625rem;
}

.navbar .nav-link.active {
  color: var(--bs-primary);
}

.navbar .navbar-toggler {
  border: none;
  box-shadow: none;
  border-radius: var(--bs-border-radius-sm);
}

.navbar .navbar-toggler:focus {
  box-shadow: 0 0 0 var(--bs-focus-ring-width) var(--bs-focus-ring-color);
}

/* Traffic-light window controls (decorative, opt-in) */
.window-controls {
  display: inline-flex;
  gap: 8px;
  margin-inline-end: 0.75rem;
}

.window-controls span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.window-controls .close { background-color: var(--ws-red); }
.window-controls .minimize { background-color: var(--ws-yellow); }
.window-controls .maximize { background-color: var(--ws-green); }

/* --------------------------------------------------------------------------
   5. Forms
   -------------------------------------------------------------------------- */
.form-label {
  font-weight: 500;
  font-size: 0.8125rem;
  margin-bottom: 0.25rem;
}

.form-control,
.form-select,
.input-group-text {
  background-color: var(--ws-surface-solid);
  border: 1px solid var(--ws-hairline);
  border-radius: var(--bs-border-radius);
  color: var(--bs-body-color);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.02);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control,
.form-select {
  padding: 0.4375rem 0.75rem;
}

.form-control::placeholder {
  color: var(--ws-text-secondary);
  opacity: 0.85;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--bs-primary);
  box-shadow: 0 0 0 3px rgba(var(--bs-primary-rgb), 0.22);
  outline: none;
}

.form-control:disabled,
.form-select:disabled {
  background-color: var(--ws-surface-muted);
  color: var(--ws-text-secondary);
}

.input-group-text {
  background-color: var(--ws-surface-muted);
  color: var(--ws-text-secondary);
  border-color: var(--ws-hairline);
}

.input-group > :not(:first-child) {
  margin-left: -1px;
}

.input-group .form-control,
.input-group .form-select,
.input-group .btn {
  border-radius: 0;
}

.input-group > :first-child {
  border-start-start-radius: var(--bs-border-radius);
  border-end-start-radius: var(--bs-border-radius);
}

.input-group > :last-child {
  border-start-end-radius: var(--bs-border-radius);
  border-end-end-radius: var(--bs-border-radius);
}

/* Rounded search field, macOS style */
.form-control-rounded {
  border-radius: var(--bs-border-radius-pill);
}

/* iOS-style toggle switch */
.form-switch {
  padding-left: 3rem;
}

.form-switch .form-check-input {
  width: 2.75rem;
  height: 1.5rem;
  margin-left: -3rem;
  border: none;
  background-color: var(--ws-surface-muted-strong);
  box-shadow: inset 0 0 0 1px var(--ws-hairline);
  transition: background-color 0.2s ease;
}

.form-switch .form-check-input:checked {
  background-color: var(--bs-success);
  border-color: var(--bs-success);
  box-shadow: none;
}

.form-switch .form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(var(--bs-success-rgb), 0.3);
}

.form-check-input {
  border-color: var(--ws-hairline-strong);
  box-shadow: none;
}

.form-check-input:checked {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
}

.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(var(--bs-primary-rgb), 0.22);
  border-color: var(--bs-primary);
}

.form-check-label {
  font-size: 0.875rem;
}

.form-range::-webkit-slider-thumb {
  background-color: var(--ws-surface-solid);
  border: 1px solid var(--ws-hairline-strong);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.form-range::-moz-range-thumb {
  background-color: var(--ws-surface-solid);
  border: 1px solid var(--ws-hairline-strong);
}

.form-range::-webkit-slider-runnable-track {
  background-color: var(--ws-surface-muted-strong);
}

.form-range::-moz-range-track {
  background-color: var(--ws-surface-muted-strong);
}

.form-floating > .form-control,
.form-floating > .form-select {
  border-radius: var(--bs-border-radius);
  height: calc(3.5rem + 2px);
}

.form-floating > label {
  color: var(--ws-text-secondary);
  font-size: 0.8125rem;
}

.form-text {
  color: var(--ws-text-secondary);
  font-size: 0.75rem;
}

.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--bs-danger);
}

.invalid-feedback,
.valid-feedback {
  font-size: 0.75rem;
}

.form-control-color {
  width: 2.75rem;
  height: 2.375rem;
  padding: 0.25rem;
}

/* --------------------------------------------------------------------------
   6. Cards
   -------------------------------------------------------------------------- */
.card {
  --bs-card-bg: var(--ws-surface-solid);
  --bs-card-border-color: var(--ws-hairline);
  --bs-card-cap-bg: transparent;
  --bs-card-border-radius: var(--bs-border-radius-lg);
  box-shadow: var(--ws-shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: var(--ws-shadow-md);
}

.card-header {
  background-color: transparent;
  border-bottom: 1px solid var(--ws-hairline);
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.75rem 1rem;
}

.card-footer {
  background-color: transparent;
  border-top: 1px solid var(--ws-hairline);
  padding: 0.75rem 1rem;
}

.card-title {
  font-weight: 600;
}

/* Frosted glass card — opt-in with .card-glass */
.card-glass {
  --bs-card-bg: var(--ws-surface);
  -webkit-backdrop-filter: var(--ws-vibrancy);
  backdrop-filter: var(--ws-vibrancy);
  border-color: var(--ws-hairline);
  box-shadow: var(--ws-shadow-md);
}

[data-bs-theme="dark"] .card-glass {
  -webkit-backdrop-filter: var(--ws-blur);
  backdrop-filter: var(--ws-blur);
}

.card-img-top {
  border-top-left-radius: var(--bs-border-radius-lg);
  border-top-right-radius: var(--bs-border-radius-lg);
}

/* --------------------------------------------------------------------------
   7. Tables
   -------------------------------------------------------------------------- */
.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--bs-body-color);
  --bs-table-border-color: var(--ws-hairline);
  --bs-table-striped-bg: var(--ws-surface-muted);
  --bs-table-striped-color: var(--bs-body-color);
  --bs-table-hover-bg: var(--ws-blue-soft);
  --bs-table-hover-color: var(--bs-body-color);
  border-color: var(--ws-hairline);
}

.table > :not(caption) > * > * {
  padding: 0.625rem 0.75rem;
}

.table thead th {
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ws-text-secondary);
  border-bottom: 1px solid var(--ws-hairline-strong);
  background-color: transparent;
}

.table > :not(caption) > * > * + * {
  border-left-width: 0;
}

/* Enclosed, rounded table like macOS inset lists */
.table-rounded {
  overflow: hidden;
  border: 1px solid var(--ws-hairline);
  border-radius: var(--bs-border-radius-lg);
  border-collapse: separate;
  border-spacing: 0;
  background-color: var(--ws-surface-solid);
}

/* --------------------------------------------------------------------------
   8. Navs, tabs & pagination
   -------------------------------------------------------------------------- */
.nav-tabs {
  --bs-nav-tabs-border-color: var(--ws-hairline);
  --bs-nav-tabs-link-active-color: var(--ws-text);
  --bs-nav-tabs-link-active-bg: var(--ws-surface-solid);
  --bs-nav-tabs-link-active-border-color: var(--ws-hairline);
  border-bottom: 1px solid var(--ws-hairline);
  gap: 0.25rem;
}

.nav-tabs .nav-link {
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: var(--bs-border-radius-sm) var(--bs-border-radius-sm) 0 0;
  color: var(--ws-text-secondary);
  font-weight: 500;
}

.nav-tabs .nav-link:hover {
  border-bottom-color: var(--ws-hairline-strong);
  color: var(--bs-body-color);
}

.nav-tabs .nav-link.active {
  background-color: transparent;
  border-bottom-color: var(--bs-primary);
  color: var(--bs-primary);
}

/* Segmented control (macOS) */
.nav-segmented {
  display: inline-flex;
  padding: 2px;
  gap: 2px;
  background-color: var(--ws-surface-muted);
  border-radius: var(--bs-border-radius);
}

.nav-segmented .nav-link {
  border-radius: calc(var(--bs-border-radius) - 2px);
  color: var(--ws-text-secondary);
  font-weight: 500;
  padding: 0.3125rem 0.875rem;
}

.nav-segmented .nav-link.active {
  background-color: var(--ws-surface-solid);
  color: var(--ws-text);
  box-shadow: var(--ws-shadow-sm);
}

.nav-underline {
  border-bottom: 1px solid var(--ws-hairline);
  gap: 0.5rem;
}

.nav-underline .nav-link {
  color: var(--ws-text-secondary);
  font-weight: 500;
  border-bottom: 2px solid transparent;
}

.nav-underline .nav-link.active {
  color: var(--bs-primary);
  border-bottom-color: var(--bs-primary);
}

.nav-pills {
  gap: 0.375rem;
}

.nav-pills .nav-link {
  border-radius: var(--bs-border-radius-pill);
  color: var(--ws-text-secondary);
  font-weight: 500;
}

.nav-pills .nav-link:hover {
  background-color: var(--ws-surface-muted);
  color: var(--bs-body-color);
}

.nav-pills .nav-link.active {
  background-color: var(--bs-primary);
  color: #fff;
}

.breadcrumb {
  --bs-breadcrumb-divider-color: var(--ws-text-secondary);
  --bs-breadcrumb-item-active-color: var(--ws-text-secondary);
  font-size: 0.8125rem;
}

.breadcrumb-item a {
  color: var(--bs-primary);
}

.pagination {
  --bs-pagination-color: var(--bs-primary);
  --bs-pagination-bg: var(--ws-surface-solid);
  --bs-pagination-border-color: var(--ws-hairline);
  --bs-pagination-hover-color: var(--ws-blue-dark);
  --bs-pagination-hover-bg: var(--ws-surface-muted);
  --bs-pagination-active-bg: var(--bs-primary);
  --bs-pagination-active-border-color: var(--bs-primary);
  --bs-pagination-disabled-bg: var(--ws-surface-solid);
  --bs-pagination-disabled-border-color: var(--ws-hairline);
  --bs-pagination-border-radius: var(--bs-border-radius);
  gap: 0.25rem;
}

.page-link {
  border-radius: var(--bs-border-radius) !important;
  font-weight: 500;
  min-width: 2.25rem;
  text-align: center;
}

.page-item.active .page-link {
  box-shadow: 0 2px 6px rgba(var(--bs-primary-rgb), 0.3);
}

.page-link:focus {
  box-shadow: 0 0 0 var(--bs-focus-ring-width) var(--bs-focus-ring-color);
  z-index: 1;
}

/* --------------------------------------------------------------------------
   9. Alerts
   -------------------------------------------------------------------------- */
.alert {
  --bs-alert-bg: var(--ws-surface-solid);
  --bs-alert-border-color: var(--ws-hairline);
  --bs-alert-color: var(--bs-body-color);
  border-radius: var(--bs-border-radius-lg);
  box-shadow: var(--ws-shadow-sm);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
}

.alert-primary {
  --bs-alert-color: var(--bs-primary);
  --bs-alert-bg: var(--ws-blue-soft);
  --bs-alert-border-color: transparent;
}

.alert-success {
  --bs-alert-color: var(--ws-text);
  --bs-alert-bg: rgba(var(--bs-success-rgb), 0.14);
  --bs-alert-border-color: transparent;
}

.alert-danger {
  --bs-alert-color: var(--ws-text);
  --bs-alert-bg: rgba(var(--bs-danger-rgb), 0.14);
  --bs-alert-border-color: transparent;
}

.alert-warning {
  --bs-alert-color: var(--ws-text);
  --bs-alert-bg: rgba(var(--bs-warning-rgb), 0.18);
  --bs-alert-border-color: transparent;
}

.alert-info {
  --bs-alert-color: var(--ws-text);
  --bs-alert-bg: rgba(var(--bs-info-rgb), 0.14);
  --bs-alert-border-color: transparent;
}

.alert-heading {
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   10. Badges
   -------------------------------------------------------------------------- */
.badge {
  --bs-badge-font-weight: 500;
  --bs-badge-padding-y: 0.3em;
  --bs-badge-padding-x: 0.6em;
  border-radius: var(--bs-border-radius-pill);
  letter-spacing: 0.01em;
}

.badge.bg-primary { background-color: var(--bs-primary); }
.badge.bg-secondary { background-color: var(--ws-gray); }
.badge.bg-success { background-color: var(--bs-success); }
.badge.bg-danger { background-color: var(--bs-danger); }
.badge.bg-warning { background-color: var(--ws-yellow); color: var(--ws-text); }
.badge.bg-info { background-color: var(--ws-teal); }
.badge.bg-light { background-color: var(--ws-surface-muted-strong); color: var(--ws-text); }
.badge.bg-dark { background-color: var(--ws-text); color: var(--bs-body-bg); }

.list-group {
  --bs-list-group-bg: var(--ws-surface-solid);
  --bs-list-group-color: var(--bs-body-color);
  --bs-list-group-border-color: var(--ws-hairline);
  --bs-list-group-border-radius: var(--bs-border-radius-lg);
  --bs-list-group-action-hover-bg: var(--ws-surface-muted);
  --bs-list-group-action-hover-color: var(--bs-body-color);
  --bs-list-group-action-active-bg: var(--bs-primary);
  --bs-list-group-action-active-color: #fff;
  --bs-list-group-disabled-color: var(--ws-text-secondary);
  box-shadow: var(--ws-shadow-sm);
}

.list-group-item {
  padding: 0.625rem 1rem;
  background-color: var(--ws-surface-solid);
  border-color: var(--ws-hairline);
}

.list-group-item.active {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
  color: #fff;
}

.list-group-item-primary {
  background-color: rgba(var(--bs-primary-rgb), 0.12);
  color: var(--bs-primary);
  border-color: transparent;
}

.list-group-item-danger {
  background-color: rgba(var(--bs-danger-rgb), 0.12);
  color: var(--bs-danger);
  border-color: transparent;
}

.list-group-item-warning {
  background-color: rgba(var(--bs-warning-rgb), 0.16);
  color: var(--ws-text);
  border-color: transparent;
}

/* Inset grouped list (macOS sidebar / settings) */
.list-group-inset {
  background-color: var(--ws-surface-muted);
  border: none;
  border-radius: var(--bs-border-radius-lg);
  padding: 0.25rem;
  box-shadow: none;
}

.list-group-inset > .list-group-item {
  border: none;
  border-radius: var(--bs-border-radius);
  background-color: var(--ws-surface-solid);
}

.list-group-inset > .list-group-item + .list-group-item {
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   11. Progress & spinners
   -------------------------------------------------------------------------- */
.progress {
  --bs-progress-bg: var(--ws-surface-muted-strong);
  --bs-progress-bar-bg: var(--bs-primary);
  --bs-progress-border-radius: var(--bs-border-radius-pill);
  height: 0.5rem;
  box-shadow: none;
}

.progress-bar {
  border-radius: var(--bs-border-radius-pill);
}

.progress-bar-striped {
  background-image: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.22) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.22) 50%,
    rgba(255, 255, 255, 0.22) 75%,
    transparent 75%,
    transparent
  );
  background-size: 1rem 1rem;
}

.spinner-border,
.spinner-grow {
  --bs-spinner-border-width: 0.1875rem;
  border-width: 2px;
}

.spinner-border {
  border-radius: 50%;
}

.spinner-grow {
  border-radius: var(--bs-border-radius-pill);
}

/* --------------------------------------------------------------------------
   12. Dropdowns / menus
   -------------------------------------------------------------------------- */
.dropdown-menu {
  --bs-dropdown-bg: var(--ws-surface);
  --bs-dropdown-color: var(--bs-body-color);
  --bs-dropdown-border-color: var(--ws-hairline);
  --bs-dropdown-link-color: var(--bs-body-color);
  --bs-dropdown-link-hover-color: var(--bs-body-color);
  --bs-dropdown-link-hover-bg: var(--bs-primary);
  --bs-dropdown-link-active-color: #fff;
  --bs-dropdown-link-active-bg: var(--bs-primary);
  --bs-dropdown-link-disabled-color: var(--ws-text-secondary);
  --bs-dropdown-border-radius: var(--bs-border-radius);
  --bs-dropdown-link-border-radius: var(--bs-border-radius-sm);
  --bs-dropdown-padding-y: 0.375rem;
  -webkit-backdrop-filter: var(--ws-blur);
  backdrop-filter: var(--ws-blur);
  box-shadow: var(--ws-shadow-lg);
  font-size: 0.875rem;
  padding: 0.375rem;
}

.dropdown-item {
  padding: 0.3125rem 0.625rem;
  border-radius: var(--bs-border-radius-sm);
}

.dropdown-item:active,
.dropdown-item:hover {
  background-color: var(--bs-primary);
  color: #fff;
}

.dropdown-divider {
  border-color: var(--ws-hairline);
  margin: 0.375rem 0.25rem;
}

.dropdown-header {
  color: var(--ws-text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* --------------------------------------------------------------------------
   13. Accordions
   -------------------------------------------------------------------------- */
.accordion {
  --bs-accordion-bg: var(--ws-surface-solid);
  --bs-accordion-border-color: var(--ws-hairline);
  --bs-accordion-border-radius: var(--bs-border-radius-lg);
  --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(var(--bs-primary-rgb), 0.22);
  --bs-accordion-active-bg: var(--ws-blue-soft);
  --bs-accordion-active-color: var(--bs-primary);
  --bs-accordion-bg: var(--ws-surface-solid);
  gap: 0.5rem;
}

.accordion-item {
  overflow: hidden;
  box-shadow: var(--ws-shadow-sm);
}

.accordion-button {
  font-weight: 500;
  padding: 0.75rem 1rem;
  background-color: var(--ws-surface-solid);
}

.accordion-button:not(.collapsed) {
  background-color: var(--ws-blue-soft);
  color: var(--bs-primary);
  box-shadow: inset 0 -1px 0 var(--ws-hairline);
}

.accordion-button::after {
  background-size: 1rem;
  opacity: 0.6;
}

.accordion-body {
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  background-color: var(--ws-surface-solid);
}

.accordion-flush {
  background-color: transparent;
}

.accordion-flush .accordion-item {
  background-color: var(--ws-surface-solid);
  border: 1px solid var(--ws-hairline);
  border-radius: var(--bs-border-radius-lg);
}

/* --------------------------------------------------------------------------
   14. Modals & offcanvas
   -------------------------------------------------------------------------- */
.modal {
  --bs-modal-bg: var(--ws-surface-solid);
  --bs-modal-border-color: var(--ws-hairline);
  --bs-modal-border-radius: var(--bs-border-radius-lg);
  --bs-modal-header-border-color: var(--ws-hairline);
  --bs-modal-footer-border-color: transparent;
}

.modal-content {
  border: 1px solid var(--ws-hairline);
  border-radius: var(--bs-border-radius-lg);
  box-shadow: var(--ws-shadow-lg);
  overflow: hidden;
}

.modal-header,
.modal-footer {
  padding: 0.875rem 1.25rem;
}

.modal-body {
  padding: 1.25rem;
  font-size: 0.875rem;
}

.modal-title {
  font-weight: 600;
}

.modal-backdrop {
  --bs-backdrop-bg: 0;
  --bs-backdrop-opacity: 0.32;
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}

.offcanvas {
  --bs-offcanvas-bg: var(--ws-surface-solid);
  --bs-offcanvas-border-color: var(--ws-hairline);
  --bs-offcanvas-width: 320px;
}

.offcanvas-header {
  border-bottom: 1px solid var(--ws-hairline);
}

.offcanvas-title {
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   15. Popovers & tooltips
   -------------------------------------------------------------------------- */
.popover {
  --bs-popover-bg: var(--ws-surface);
  --bs-popover-border-color: var(--ws-hairline);
  --bs-popover-body-color: var(--bs-body-color);
  --bs-popover-header-bg: transparent;
  --bs-popover-header-color: var(--bs-body-color);
  --bs-popover-border-radius: var(--bs-border-radius);
  -webkit-backdrop-filter: var(--ws-blur);
  backdrop-filter: var(--ws-blur);
  box-shadow: var(--ws-shadow-lg);
  font-size: 0.8125rem;
}

.popover-header {
  font-weight: 600;
  border-bottom: 1px solid var(--ws-hairline);
}

.tooltip {
  --bs-tooltip-bg: var(--ws-surface-solid);
  --bs-tooltip-color: var(--bs-body-color);
  --bs-tooltip-border-color: var(--ws-hairline);
  --bs-tooltip-border-radius: var(--bs-border-radius-sm);
  box-shadow: var(--ws-shadow-md);
  font-size: 0.75rem;
  padding: 0.3125rem 0.5rem;
  -webkit-backdrop-filter: var(--ws-vibrancy);
  backdrop-filter: var(--ws-vibrancy);
}

/* --------------------------------------------------------------------------
   16. Toasts
   -------------------------------------------------------------------------- */
.toast {
  --bs-toast-bg: var(--ws-surface);
  --bs-toast-border-color: var(--ws-hairline);
  --bs-toast-header-bg: transparent;
  --bs-toast-header-color: var(--bs-body-color);
  --bs-toast-border-radius: var(--bs-border-radius-lg);
  -webkit-backdrop-filter: var(--ws-blur);
  backdrop-filter: var(--ws-blur);
  box-shadow: var(--ws-shadow-lg);
  font-size: 0.875rem;
}

.toast-header {
  font-weight: 600;
  border-bottom: 1px solid var(--ws-hairline);
}

.toast-body {
  padding: 0.75rem 1rem;
}

/* --------------------------------------------------------------------------
   17. Carousel
   -------------------------------------------------------------------------- */
.carousel-item {
  border-radius: var(--bs-border-radius-lg);
  overflow: hidden;
}

.carousel-caption {
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
}

.carousel-control-prev,
.carousel-control-next {
  width: 3rem;
  opacity: 0.6;
}

.carousel-indicators [data-bs-target] {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background-color: #fff;
  opacity: 0.5;
}

.carousel-indicators .active {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   18. Placeholders
   -------------------------------------------------------------------------- */
.placeholder {
  background-color: currentColor;
  border-radius: var(--bs-border-radius-sm);
  opacity: 0.18;
}

.placeholder-wave {
  mask-image: linear-gradient(130deg, #000 55%, rgba(0, 0, 0, 0.75) 75%, #000 95%);
  mask-size: 200% 100%;
}

.placeholder-glow .placeholder {
  animation: ws-placeholder-glow 2s ease-in-out infinite;
}

@keyframes ws-placeholder-glow {
  50% { opacity: 0.34; }
}

/* --------------------------------------------------------------------------
   19. Utilities & misc
   -------------------------------------------------------------------------- */
.text-secondary { color: var(--ws-text-secondary) !important; }

.shadow-sm { box-shadow: var(--ws-shadow-sm) !important; }
.shadow { box-shadow: var(--ws-shadow-md) !important; }
.shadow-lg { box-shadow: var(--ws-shadow-lg) !important; }

/* Frosted window surface, opt-in via .window-glass */
.window-glass {
  background-color: var(--ws-surface);
  -webkit-backdrop-filter: var(--ws-vibrancy);
  backdrop-filter: var(--ws-vibrancy);
  border-bottom: 1px solid var(--ws-hairline);
}

.rounded-4 { border-radius: var(--bs-border-radius-lg) !important; }
.rounded-5 { border-radius: var(--bs-border-radius-xl) !important; }

/* Reduced-motion users get instant state changes */
@media (prefers-reduced-motion: reduce) {
  .btn,
  .card,
  .btn-close {
    transition: none;
  }

  .btn:active {
    transform: none;
  }
}