/* ── Design tokens ──────────────────────────────────────────────────── */
:root {
  --font-ui: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --theme-shadow-soft:   0 16px 36px #0f172a29;
  --theme-shadow-strong: 0 24px 60px #02061747;
  --theme-ring:          #38bdf847;
  --theme-transition:    160ms ease;
}

:root,
html[data-theme="dark"] {
  color-scheme: dark;
  --app-bg:          #08121f;
  --app-bg-accent:   radial-gradient(circle at top right, #4dabf72e, transparent 40%),
                     linear-gradient(180deg, #08121f 0%, #0d1728 100%);
  --surface-1:       #07111fe6;
  --card-surface:    #101e36;
  --surface-2:       #0f172a9e;
  --surface-3:       #94a3b81a;
  --surface-overlay: #020617f5;
  --border-strong:   #94a3b847;
  --border-subtle:   #94a3b81f;
  --text-primary:    #e2e8f0;
  --text-secondary:  #cbd5e1;
  --text-muted:      #94a3b8;
  --text-inverse:    #06111b;
  --accent:          #38bdf8;
  --accent-strong:   #22c55e;
  --accent-warm:     #f59e0b;
  --danger:          #f87171;
  --success:         #86efac;
  --badge-muted-bg:  #94a3b829;
  --badge-live-bg:   #22c55e2e;
  --badge-warn-bg:   #f59e0b2e;
  --badge-error-bg:  #f8717129;
  --badge-dark-bg:   #1e293bcc;
  --accent-gradient: linear-gradient(135deg, #0ea5e9, #22c55e);
  --header-gradient: linear-gradient(135deg, #0369a1, #15803d);
  --title-gradient:  linear-gradient(135deg, #60a5fa, #34d399);
}

html[data-theme="light"] {
  color-scheme: light;
  --app-bg:          #f2f7fb;
  --app-bg-accent:   radial-gradient(circle at top left, #0ea5e924, transparent 36%),
                     linear-gradient(180deg, #f9fcff 0%, #edf4fb 100%);
  --surface-1:       #fffffff0;
  --card-surface:    #fffffff0;
  --surface-2:       #f1f5f9eb;
  --surface-3:       #e2e8f0d9;
  --surface-overlay: #fffffffa;
  --border-strong:   #94a3b880;
  --border-subtle:   #94a3b838;
  --text-primary:    #102235;
  --text-secondary:  #294157;
  --text-muted:      #5f768c;
  --text-inverse:    #ffffff;
  --accent:          #0284c7;
  --accent-strong:   #15803d;
  --accent-warm:     #b45309;
  --danger:          #dc2626;
  --success:         #166534;
  --badge-muted-bg:  #94a3b82e;
  --badge-live-bg:   #22c55e24;
  --badge-warn-bg:   #f59e0b24;
  --badge-error-bg:  #f8717124;
  --badge-dark-bg:   #64748b29;
  --accent-gradient: linear-gradient(135deg, #0284c7, #16a34a);
  --header-gradient: linear-gradient(135deg, #0284c7, #16a34a);
  --title-gradient:  linear-gradient(135deg, #0f172a, #0284c7);
  --theme-shadow-soft:   0 18px 36px #94a3b829;
  --theme-shadow-strong: 0 26px 54px #94a3b82e;
  --theme-ring:          #0284c738;
}

/* ── Bootstrap global token mapping ─────────────────────────────────── */
/* Set Bootstrap's CSS variables so its components render with our tokens */
html[data-theme="dark"],
html[data-theme="light"] {
  --bs-body-bg:            var(--app-bg);
  --bs-body-color:         var(--text-primary);
  --bs-body-font-family:   var(--font-ui);
  --bs-heading-color:      var(--text-primary);
  --bs-secondary-color:    var(--text-muted);
  --bs-emphasis-color:     var(--text-primary);
  --bs-secondary-bg:       var(--surface-2);
  --bs-tertiary-bg:        var(--surface-3);
  --bs-border-color:       var(--border-subtle);
  --bs-link-color:         var(--accent);
  --bs-link-hover-color:   var(--accent);
}

/* ── Base ────────────────────────────────────────────────────────────── */
html, body {
  background: var(--app-bg-accent);
  transition: background var(--theme-transition), color var(--theme-transition);
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body > main {
  flex: 1 0 auto;
  width: 100%;
}
:focus-visible {
  outline: 2px solid var(--theme-ring);
  outline-offset: 2px;
}

/* ── Navbar ──────────────────────────────────────────────────────────── */
.navbar {
  position: relative;
  z-index: 1030;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border-strong);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  --bs-navbar-color:             var(--text-secondary);
  --bs-navbar-hover-color:       var(--text-primary);
  --bs-navbar-active-color:      var(--accent);
  --bs-navbar-brand-color:       var(--text-primary);
  --bs-navbar-brand-hover-color: var(--text-primary);
  --bs-navbar-toggler-border-color: var(--border-strong);
  --bs-navbar-toggler-icon-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28226, 232, 240, 0.92%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-toggler {
  padding: 0.45rem 0.65rem;
  border-color: var(--border-strong);
  background: var(--surface-2);
}

.navbar-toggler:hover {
  background: var(--surface-3);
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border-strong));
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px var(--theme-ring);
}

.navbar-toggler-icon {
  width: 1.3em;
  height: 1.3em;
}

html[data-theme="light"] .navbar {
  --bs-navbar-toggler-icon-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2841, 65, 87, 0.80%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-brand {
  font-weight: 700;
  background: var(--title-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-nav {
  gap: 4px;
  align-items: center;
}

.navbar .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 36px;
  border-radius: 10px;
  padding: 0 14px;
  transition: background var(--theme-transition), color var(--theme-transition);
}

.navbar .nav-link:hover       { background: var(--surface-3); }
.navbar .nav-link.active      { background: color-mix(in srgb, var(--accent) 14%, transparent); }

.navbar .nav-link.dropdown-toggle::after { opacity: 0.6; }
.navbar .nav-link.dropdown-toggle:hover::after { opacity: 1; }

.navbar .form-control { border-radius: 12px 0 0 12px; }

.navbar-search-form {
  max-width: 500px;
  width: 100%;
}

.navbar .btn-outline-light {
  border-color: var(--border-strong);
  color: var(--text-secondary);
  background: var(--surface-3);
  border-radius: 0 12px 12px 0;
}

.navbar .btn-outline-light:hover {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 34%, var(--border-strong));
}

@media (max-width: 991.98px) {
  .navbar .container-fluid {
    position: relative;
    z-index: 1;
  }

  .mobile-nav-panel {
    z-index: 1000;
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: max-content;
    min-width: 140px;
    max-width: min(320px, calc(100vw - 1rem));
    padding: 12px;
    border: 1px solid var(--border-strong);
    border-radius: 18px;
    background: var(--surface-overlay);
    box-shadow: var(--theme-shadow-strong);
  }

  .mobile-nav-panel.collapsing {
    right: 0;
  }

  .mobile-nav-search {
    max-width: none !important;
    width: min(100%, 280px);
    margin: 0 0 10px 0 !important;
  }

  .mobile-nav-list {
    width: max-content;
    min-width: 100%;
    align-items: stretch;
    gap: 4px;
  }

  .mobile-nav-list > .nav-item {
    width: 100%;
  }

  .mobile-nav-theme-item {
    justify-content: center;
    margin-bottom: 2px;
    padding: 0 !important;
  }

  .mobile-nav-theme-item .theme-switch-frame {
    width: 100%;
    min-height: 40px;
    padding: 0 12px;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    justify-content: center;
  }

  .mobile-nav-theme-item .theme-switch-frame:hover,
  .mobile-nav-theme-item .theme-switch-frame:focus-within {
    background: color-mix(in srgb, var(--accent) 14%, var(--surface-2));
    border-color: color-mix(in srgb, var(--accent) 26%, var(--border-strong));
  }

  .mobile-nav-list .nav-link {
    justify-content: flex-start;
    width: 100%;
    min-height: 40px;
    padding: 0 14px;
    border: 1px solid transparent;
    background: transparent;
    border-radius: 12px;
    text-align: left;
    white-space: nowrap;
    gap: 10px;
  }

  .mobile-nav-list .nav-link i,
  .mobile-nav-list .dropdown-item i {
    width: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .mobile-nav-list .nav-link:hover,
  .mobile-nav-list .nav-link:focus-visible,
  .mobile-nav-list .nav-link.active {
    background: color-mix(in srgb, var(--accent) 14%, var(--surface-2));
    border-color: color-mix(in srgb, var(--accent) 26%, var(--border-strong));
  }

  .mobile-nav-list .dropdown-toggle::after {
    margin-left: auto;
  }

  .mobile-nav-list .dropdown-menu {
    position: static;
    inset: auto;
    transform: none !important;
    width: 100%;
    margin-top: 4px;
    padding: 4px 0 0 0;
    border: none;
    background: transparent;
    box-shadow: none;
  }

  .mobile-nav-list .dropdown-item {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    border-radius: 10px;
    padding: 8px 14px;
    white-space: nowrap;
  }

  .mobile-nav-list .dropdown-divider {
    margin: 4px 0;
  }
}
/* ── Dropdown ────────────────────────────────────────────────────────── */
.dropdown-menu {
  --bs-dropdown-bg:                var(--surface-overlay);
  --bs-dropdown-border-color:      var(--border-strong);
  --bs-dropdown-border-radius:     14px;
  --bs-dropdown-box-shadow:        var(--theme-shadow-strong);
  --bs-dropdown-color:             var(--text-secondary);
  --bs-dropdown-link-color:        var(--text-secondary);
  --bs-dropdown-link-hover-color:  var(--text-primary);
  --bs-dropdown-link-hover-bg:     var(--surface-3);
  --bs-dropdown-link-active-color: var(--text-primary);
  --bs-dropdown-link-active-bg:    var(--surface-3);
  --bs-dropdown-divider-bg:        var(--border-subtle);
  --bs-dropdown-item-padding-x:    12px;
  --bs-dropdown-item-padding-y:    8px;
  --bs-dropdown-inner-border-radius: 9px;
  padding: 6px;
}

/* ── Cards ───────────────────────────────────────────────────────────── */
.card {
  --bs-card-bg:                  var(--card-surface);
  --bs-card-border-color:        var(--border-strong);
  --bs-card-border-radius:       18px;
  --bs-card-inner-border-radius: 17px;
  --bs-card-color:               var(--text-primary);
  --bs-card-cap-bg:              var(--surface-2);
  --bs-card-cap-color:           var(--text-primary);
  --bs-card-title-color:         var(--text-primary);
  --bs-card-subtitle-color:      var(--text-secondary);
  box-shadow: var(--theme-shadow-soft);
  transition: box-shadow var(--theme-transition);
}

.card:hover { box-shadow: var(--theme-shadow-strong); }

.card-header {
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 20px;
}

.card-header > i,
.card-header .card-title i,
.card-header h5 > i,
.card-header h6 > i {
  color: var(--accent);
}

.card-header.bg-light,
.card-header.bg-white {
  background: var(--surface-2) !important;
  color: var(--text-primary) !important;
  border-bottom-color: var(--border-subtle) !important;
}

.card-header.bg-primary {
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, var(--card-surface)), var(--card-surface)) !important;
  color: var(--text-primary) !important;
  border-bottom-color: color-mix(in srgb, var(--accent) 24%, var(--border-subtle)) !important;
}

.card-header.bg-success {
  background: linear-gradient(180deg, color-mix(in srgb, var(--badge-live-bg) 88%, var(--card-surface) 12%), var(--card-surface)) !important;
  color: var(--text-primary) !important;
  border-bottom-color: color-mix(in srgb, var(--accent-strong) 26%, var(--border-subtle)) !important;
}

.card-header.bg-warning {
  background: linear-gradient(180deg, color-mix(in srgb, var(--badge-warn-bg) 88%, var(--card-surface) 12%), var(--card-surface)) !important;
  color: var(--text-primary) !important;
  border-bottom-color: color-mix(in srgb, var(--accent-warm) 26%, var(--border-subtle)) !important;
}
.card-header.bg-warning > i,
.card-header.bg-warning .card-title i,
.card-header.bg-warning h5 > i,
.card-header.bg-warning h6 > i {
  color: var(--accent-warm);
}

.card-header.bg-danger {
  background: linear-gradient(180deg, color-mix(in srgb, var(--badge-error-bg) 90%, var(--card-surface) 10%), var(--card-surface)) !important;
  color: var(--text-primary) !important;
  border-bottom-color: color-mix(in srgb, var(--danger) 26%, var(--border-subtle)) !important;
}
.card-header.bg-danger > i,
.card-header.bg-danger .card-title i,
.card-header.bg-danger h5 > i,
.card-header.bg-danger h6 > i {
  color: var(--danger);
}

.card-header.bg-secondary {
  background: linear-gradient(180deg, color-mix(in srgb, var(--badge-muted-bg) 88%, var(--card-surface) 12%), var(--card-surface)) !important;
  color: var(--text-primary) !important;
  border-bottom-color: color-mix(in srgb, var(--text-muted) 18%, var(--border-subtle)) !important;
}

.card.bg-light,
.card.bg-white {
  background: var(--card-surface) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-strong) !important;
}

.bg-surface-2 {
  background-color: var(--surface-2) !important;
  color: var(--text-primary) !important;
}

/* ── Collapsible card ────────────────────────────────────────────────── */
/* Card with a chevron button that collapses the body. Usage:
   <div class="card">
     <div class="card-header collapsible-card-header">
       <h5 class="mb-0 text-accent"><i class="bi bi-card-text"></i> Title</h5>
       <button type="button" class="collapsible-card-trigger"
               data-bs-toggle="collapse" data-bs-target="#myCollapse"
               aria-expanded="true" aria-controls="myCollapse">
         <i class="bi bi-chevron-down collapsible-card-chevron"></i>
       </button>
     </div>
     <div id="myCollapse" class="collapse show">
       <div class="card-body">…</div>
     </div>
   </div>
*/
.collapsible-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: background var(--theme-transition);
}
.collapsible-card-trigger {
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: inherit;
  box-shadow: none;
  line-height: 1;
  cursor: pointer;
}
.collapsible-card-trigger:hover .collapsible-card-chevron,
.collapsible-card-trigger:focus-visible .collapsible-card-chevron {
  color: var(--text-secondary) !important;
}
.collapsible-card-trigger:focus-visible {
  outline: 2px solid var(--theme-ring);
  outline-offset: 2px;
}
.collapsible-card-chevron {
  color: var(--text-muted) !important;
  flex-shrink: 0;
  transition: transform var(--theme-transition), color var(--theme-transition);
}
.collapsible-card-trigger[aria-expanded="true"] .collapsible-card-chevron {
  transform: rotate(180deg);
  color: var(--text-secondary) !important;
}
.collapsible-card-header:has(+ .collapse:not(.show)) {
  border-bottom-left-radius:  var(--bs-card-inner-border-radius);
  border-bottom-right-radius: var(--bs-card-inner-border-radius);
  border-bottom-color: transparent;
}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-family: var(--font-ui);
  font-weight: 700;
  border-radius: 12px;
  min-height: 40px;
  transition: opacity var(--theme-transition), transform 100ms ease, box-shadow var(--theme-transition);
}

.btn:active  { transform: scale(0.97); }
.btn:disabled, .btn.disabled { opacity: 0.48; filter: saturate(0.7); }

.btn i { color: inherit; line-height: 1; flex-shrink: 0; }

/* Reset Bootstrap Icons' baseline offset inside all buttons */
.btn i::before { vertical-align: 0; }

/* btn-primary: gradient bg can't go through --bs-btn-bg (background-color only),
   so we set background directly. Both rules needed to survive Bootstrap's :hover. */
.btn-primary,
.btn-primary:hover {
  --bs-btn-color:               white;
  --bs-btn-hover-color:         white;
  --bs-btn-border-color:        transparent;
  --bs-btn-hover-border-color:  transparent;
  background: var(--accent-gradient);
  box-shadow: var(--theme-shadow-soft);
}

.btn-primary:hover { opacity: 0.9; }

.btn-outline-secondary {
  --bs-btn-color:               var(--text-secondary);
  --bs-btn-bg:                  transparent;
  --bs-btn-border-color:        var(--border-strong);
  --bs-btn-hover-color:         var(--text-primary);
  --bs-btn-hover-bg:            var(--surface-3);
  --bs-btn-hover-border-color:  var(--border-strong);
  --bs-btn-active-color:        var(--text-primary);
  --bs-btn-active-bg:           var(--surface-3);
}

.btn-outline-primary {
  --bs-btn-color:               var(--accent);
  --bs-btn-border-color:        var(--accent);
  --bs-btn-hover-color:         var(--accent);
  --bs-btn-hover-bg:            color-mix(in srgb, var(--accent) 16%, transparent);
  --bs-btn-hover-border-color:  var(--accent);
  --bs-btn-active-color:        var(--accent);
  --bs-btn-active-bg:           color-mix(in srgb, var(--accent) 16%, transparent);
  --bs-btn-active-border-color: var(--accent);
}


.btn-outline-warning {
  --bs-btn-color:               var(--accent-warm);
  --bs-btn-border-color:        var(--border-strong);
  --bs-btn-hover-color:         var(--accent-warm);
  --bs-btn-hover-bg:            var(--badge-warn-bg);
  --bs-btn-hover-border-color:  color-mix(in srgb, var(--accent-warm) 40%, var(--border-strong));
  --bs-btn-active-color:        var(--accent-warm);
  --bs-btn-active-bg:           var(--badge-warn-bg);
  background: var(--surface-3);
}

.text-warning { color: var(--accent-warm) !important; }
.text-danger  { color: var(--danger)      !important; }
.text-success { color: var(--success)     !important; }

.border-primary { border-color: color-mix(in srgb, var(--accent) 40%, var(--border-strong))       !important; }
.border-danger  { border-color: color-mix(in srgb, var(--danger) 40%, var(--border-strong))       !important; }
.border-success { border-color: color-mix(in srgb, var(--accent-strong) 40%, var(--border-strong)) !important; }
.border-warning { border-color: color-mix(in srgb, var(--accent-warm) 40%, var(--border-strong))   !important; }

.btn-warning {
  --bs-btn-color:               var(--accent-warm);
  --bs-btn-bg:                  var(--badge-warn-bg);
  --bs-btn-border-color:        color-mix(in srgb, var(--accent-warm) 40%, var(--border-strong));
  --bs-btn-hover-color:         var(--accent-warm);
  --bs-btn-hover-bg:            var(--badge-warn-bg);
}

.btn-success {
  --bs-btn-color:               var(--success);
  --bs-btn-bg:                  var(--badge-live-bg);
  --bs-btn-border-color:        color-mix(in srgb, var(--accent-strong) 40%, var(--border-strong));
  --bs-btn-hover-color:         var(--success);
  --bs-btn-hover-bg:            var(--badge-live-bg);
  --bs-btn-hover-border-color:  color-mix(in srgb, var(--accent-strong) 48%, var(--border-strong));
}

.btn-danger {
  --bs-btn-color:               var(--danger);
  --bs-btn-bg:                  var(--badge-error-bg);
  --bs-btn-border-color:        color-mix(in srgb, var(--danger) 40%, var(--border-strong));
  --bs-btn-hover-color:         var(--danger);
  --bs-btn-hover-bg:            var(--badge-error-bg);
  --bs-btn-hover-border-color:  color-mix(in srgb, var(--danger) 48%, var(--border-strong));
}

.btn-info {
  --bs-btn-color:               var(--accent);
  --bs-btn-bg:                  color-mix(in srgb, var(--accent) 16%, transparent);
  --bs-btn-border-color:        color-mix(in srgb, var(--accent) 34%, var(--border-strong));
  --bs-btn-hover-color:         var(--accent);
  --bs-btn-hover-bg:            color-mix(in srgb, var(--accent) 20%, transparent);
  --bs-btn-hover-border-color:  color-mix(in srgb, var(--accent) 42%, var(--border-strong));
}

.btn-outline-danger {
  --bs-btn-color:               var(--danger);
  --bs-btn-border-color:        color-mix(in srgb, var(--danger) 40%, var(--border-strong));
  --bs-btn-hover-color:         var(--danger);
  --bs-btn-hover-bg:            var(--badge-error-bg);
  --bs-btn-hover-border-color:  color-mix(in srgb, var(--danger) 48%, var(--border-strong));
  --bs-btn-active-color:        var(--danger);
  --bs-btn-active-bg:           var(--badge-error-bg);
}

.btn-sm { border-radius: 10px; min-height: 32px; padding: 5px 12px; }
.btn-lg { border-radius: 14px; min-height: 48px; }

/* Square icon-only button — combine with btn-sm + a colour variant.
   Convention: bi-x-lg = remove from selection (reversible);
               bi-trash = permanent delete (destructive). */
.btn-icon-sm {
  width: 2rem;
  height: 2rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.btn-icon-sm > i { line-height: 1; }

.btn-outline-danger.btn-icon-sm,
.btn-danger.btn-icon-sm {
  --bs-btn-border-color:       var(--danger);
  --bs-btn-hover-border-color: var(--danger);
}

.btn-outline-secondary.btn-icon-sm {
  --bs-btn-border-color:       var(--text-muted);
  --bs-btn-hover-border-color: var(--text-muted);
}

/* ── Form controls ───────────────────────────────────────────────────── */
/* Bootstrap 5.3 exposes limited CSS vars for inputs; use direct props */
.form-control,
.form-select {
  background-color: var(--surface-2);
  border-color: var(--border-strong);
  color: var(--text-primary);
  border-radius: 12px;
  font-family: var(--font-ui);
}

.form-control::placeholder { color: var(--text-muted); }

.form-control:focus,
.form-select:focus {
  background-color: var(--surface-2);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border-strong));
  box-shadow: 0 0 0 3px var(--theme-ring);
  color: var(--text-primary);
}

.form-label {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 13px;
}

/* Label row: flex container pairing a label with a badge/status element.
   Restores the bottom gap that mb-0 on the label would otherwise remove. */
.form-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 0.5rem;
}

.form-check-input {
  background-color: var(--surface-2);
  border-color: var(--border-strong);
  box-shadow: none;
}

html[data-theme="light"] .form-check-input {
  background-color: white;
  border-color: #64748b99;
}

.form-check-input[type="checkbox"] {
  border-radius: 6px;
}

.form-check-input[type="radio"] {
  border-radius: 50%;
}

.form-check-input:hover {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--border-strong));
}

.form-check-input:focus {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border-strong));
  box-shadow: 0 0 0 3px var(--theme-ring);
}

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

.form-check-input[type="checkbox"]:checked {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='rgba%2807,17,31,0.96%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2.2' d='M4.5 10.5l3.2 3.2L15.5 6.5'/%3e%3c/svg%3e");
}

.form-check-input[type="radio"]:checked {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='rgba%2807,17,31,0.96%29'/%3e%3c/svg%3e");
}

.form-check-label {
  color: var(--text-secondary);
}

.form-control.bg-light,
.form-select.bg-light {
  background-color: var(--surface-2) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-strong) !important;
}

.input-group .form-control:not(:last-child) { border-radius: 12px 0 0 12px; }
.input-group .btn:last-child                { border-radius: 0  12px 12px 0; }

/* ── Legacy Bootstrap compatibility ─────────────────────────────────── */
.list-group {
  --bs-list-group-bg: transparent;
  --bs-list-group-border-color: var(--border-strong);
  --bs-list-group-color: var(--text-primary);
  --bs-list-group-action-color: var(--text-primary);
  --bs-list-group-action-hover-color: var(--text-primary);
  --bs-list-group-action-active-color: var(--text-primary);
  --bs-list-group-action-hover-bg: color-mix(in srgb, var(--accent) 8%, var(--surface-2));
  --bs-list-group-action-active-bg: color-mix(in srgb, var(--accent) 12%, var(--surface-2));
  --bs-list-group-border-radius: 14px;
}

.list-group-item {
  background: color-mix(in srgb, var(--surface-2) 92%, transparent);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.list-group-item-action:hover,
.list-group-item-action:focus {
  color: var(--text-primary);
}

.list-group-flush > .list-group-item {
  background: transparent;
  border-left: 0;
  border-right: 0;
}

.list-group-flush > .list-group-item:first-child {
  border-top: 0;
}

.list-group-flush > .list-group-item:last-child {
  border-bottom: 0;
}

/* Clip list-group-flush content to the card's inner border-radius */
.card .list-group-flush {
  overflow: hidden;
  border-bottom-left-radius: var(--bs-card-inner-border-radius);
  border-bottom-right-radius: var(--bs-card-inner-border-radius);
}

/* Clip flush table-responsive edges to the card's inner border-radius.
   Applies only when card-body.p-0 is the first/last child (no card-header/footer
   between the card edge and the table), so no internal gap is introduced.
   Works because table-responsive already has overflow-x: auto (non-visible),
   which activates border-radius clipping on its content. */
.card > .card-body.p-0:first-child > .table-responsive:first-child {
  border-top-left-radius:  var(--bs-card-inner-border-radius);
  border-top-right-radius: var(--bs-card-inner-border-radius);
}
.card > .card-body.p-0:last-child > .table-responsive:last-child {
  border-bottom-left-radius: var(--bs-card-inner-border-radius);
  border-bottom-right-radius: var(--bs-card-inner-border-radius);
}

/* Card body containing scrollable rich text (instructions, notes, etc.) */
.rich-text-display {
  white-space: normal;
  line-height: 1.6;
  min-height: 90px;
  max-height: 11.2em;
  overflow-y: auto;
  padding-right: 1.0rem;
  word-break: normal;
  overflow-wrap: break-word;
  hyphens: none;
}

/* ── Table sort button ───────────────────────────────────────────────── */
/* Invisible <button> inside a <th> that inherits the heading appearance
   exactly. Only the sort icon gets its own colour treatment.
   JS contract: add .is-active to the active button and set
   data-direction="asc"|"desc" to rotate the icon. */
.table-sort-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  line-height: inherit;
  cursor: pointer;
}
.table-sort-btn:hover,
.table-sort-btn.is-active { color: inherit; }

.table-sort-icon {
  color: var(--text-muted);
  transition: color var(--theme-transition), transform var(--theme-transition);
}
.table-sort-btn:hover .table-sort-icon                       { color: var(--text-secondary); }
.table-sort-btn.is-active .table-sort-icon                   { color: var(--accent); }
.table-sort-btn[data-direction="asc"] .table-sort-icon       { transform: rotate(180deg); }

/* ── Accordion ──────────────────────────────────────────────────────── */
.accordion {
  --bs-accordion-bg:                    transparent;
  --bs-accordion-border-color:          var(--border-subtle);
  --bs-accordion-btn-color:             var(--text-primary);
  --bs-accordion-btn-bg:                transparent;
  --bs-accordion-btn-padding-x:         1rem;
  --bs-accordion-btn-padding-y:         0.85rem;
  --bs-accordion-btn-focus-box-shadow:  0 0 0 3px var(--theme-ring);
  --bs-accordion-active-color:          var(--accent);
  --bs-accordion-active-bg:             color-mix(in srgb, var(--accent) 10%, transparent);
  --bs-accordion-body-padding-x:        1rem;
  --bs-accordion-body-padding-y:        0.75rem;
  --bs-accordion-border-radius:         18px;
  --bs-accordion-inner-border-radius:   17px;
}

.accordion-item { background: transparent; }

.accordion-button {
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--theme-transition), color var(--theme-transition);
}

.accordion-button:hover {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.accordion-button:not(.collapsed) {
  box-shadow: 0 1px 0 var(--border-subtle);
}

/* Restore bottom border on standalone accordions; remove only when inside a card */
.accordion-item:last-child {
  border-bottom: var(--bs-accordion-border-width) solid var(--bs-accordion-border-color) !important;
}
.card .accordion-item:last-child {
  border-bottom: 0 !important;
}

/* Dark mode: Bootstrap's caret SVG is hardcoded dark — override with light glyphs */
html[data-theme="dark"] .accordion-button {
  --bs-accordion-btn-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23e2e8f0'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  --bs-accordion-btn-active-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2338bdf8'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

/* ── Tips ────────────────────────────────────────────────────────────── */
/* All tooltips: trigger:'click' (Bootstrap handles toggle), no arrow.  */
.tooltip {
  --bs-tooltip-bg: var(--surface-overlay);
  --bs-tooltip-color: var(--text-secondary);
  --bs-tooltip-border-radius: 12px;
  --bs-tooltip-opacity: 1;
  --bs-tooltip-max-width: min(600px, calc(100vw - 32px));
}

.tooltip .tooltip-inner {
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--surface-overlay);
  box-shadow: var(--theme-shadow-soft);
  color: var(--text-secondary);
  text-align: left;
  line-height: 1.5;
}

.tooltip .tooltip-arrow { display: none; }

/* ── Info button — page / heading level ─────────────────────────────── */
/* Use inside <h1>/<h2> with data-bs-toggle="tooltip". Ref: collections page. */
.page-info-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin-left: 0.375rem;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 1em;
  line-height: 1;
  vertical-align: middle;
  cursor: pointer;
  transition: color var(--theme-transition);
}
.page-info-btn:hover,
.page-info-btn[aria-expanded="true"] { color: var(--accent); }
.page-info-btn:focus-visible { outline: 2px solid var(--theme-ring); outline-offset: 2px; }

/* ── Info popup — inline / label level ──────────────────────────────── */
/* Click-toggle popup for use next to form labels, checkboxes, etc.      */
/* Same approach as wizard tooltips. JS lives in base.html (global).     */
.info-popup-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.info-popup-wrap::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  width: min(320px, calc(100vw - 48px));
  height: 18px;
}
.info-popup-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.15s ease, transform 0.1s ease;
}
.info-popup-btn:hover { color: var(--accent); }
.info-popup-btn:focus-visible { outline: 2px solid var(--theme-ring); outline-offset: 2px; }
.info-popup-btn:active { transform: scale(0.97); }

.info-popup {
  --info-popup-shift: 0px;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 1090;
  width: min(320px, calc(100vw - 48px));
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--surface-overlay);
  box-shadow: var(--theme-shadow-soft);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: normal;
  line-height: 1.5;
  white-space: normal;
  opacity: 0;
  visibility: hidden;
  transform: translate(var(--info-popup-shift), -4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0.15s;
  pointer-events: none;
}
.info-popup-wrap.is-open .info-popup {
  opacity: 1;
  visibility: visible;
  transform: translate(var(--info-popup-shift), 0);
  transition-delay: 0s;
  pointer-events: auto;
}

/* Tip box — inline one-liner hint.
   <div class="tip-box">
     <i class="bi bi-lightbulb tip-box-icon"></i>
     <span><strong>Tip:</strong> Your hint text here.</span>
   </div>
*/
.tip-box {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 14px;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: 10px;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-secondary);
  text-align: left;
}
.tip-box-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.tip-box strong { color: var(--accent); }

/* Tip card — card with lightbulb header and body containing text + list.
   <div class="card tip-card">
     <div class="card-header">
       <h6 class="mb-0 text-accent"><i class="bi bi-lightbulb"></i> Title</h6>
     </div>
     <div class="card-body">
       <p>Explanation text.</p>
       <ul>
         <li>Item one</li>
         <li>Item two</li>
       </ul>
     </div>
   </div>
*/
.tip-card .card-body {
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.tip-card .card-body ul,
.tip-card .card-body ol {
  padding-left: 1.25rem;
  margin-bottom: 0;
}
.tip-card .card-body li + li { margin-top: 0.35rem; }
.tip-card .card-body > :last-child { margin-bottom: 0; }

/* ── Badges ──────────────────────────────────────────────────────────── */
/* Bootstrap's .bg-* utilities use !important internally, so badge color
   overrides require it too. All other badge properties are clean. */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-weight: 600;
  padding: 0.35em 0.75em;
}

.badge.bg-primary   { background: color-mix(in srgb, var(--accent) 20%, transparent) !important; color: var(--accent) !important; }
.badge.bg-success   { background: var(--badge-live-bg)  !important; color: var(--success)      !important; }
.badge.bg-warning   { background: var(--badge-warn-bg)  !important; color: var(--accent-warm)  !important; }
.badge.bg-danger    { background: var(--badge-error-bg) !important; color: var(--danger)       !important; }
.badge.bg-secondary { background: var(--badge-muted-bg) !important; color: var(--text-secondary) !important; }
.badge.bg-dark      { background: var(--badge-dark-bg)  !important; color: var(--text-muted)   !important; }
.badge.bg-white,
.badge.bg-light     { background: var(--surface-3)      !important; color: var(--text-secondary) !important; }

.badge.bg-warning.text-dark,
.badge.bg-light.text-dark,
.badge.bg-white.text-dark {
  color: inherit !important;
}

/* ── Tables ──────────────────────────────────────────────────────────── */
.table {
  --bs-table-bg:             transparent;
  --bs-table-color:          var(--text-primary);
  --bs-table-border-color:   var(--border-subtle);
  --bs-table-hover-bg:       color-mix(in srgb, var(--accent) 6%, transparent);
  --bs-table-hover-color:    var(--text-primary);
  --bs-table-striped-bg:     var(--surface-2);
  --bs-table-striped-color:  var(--text-primary);
  --bs-table-active-bg:      color-mix(in srgb, var(--accent) 10%, transparent);
}

.table thead th {
  background: var(--surface-2);
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

.table > tbody > tr > td,
.table > tbody > tr > th {
  background-color: transparent;
  color: var(--text-primary);
}

/* ── Modals ──────────────────────────────────────────────────────────── */
.modal {
  --bs-modal-margin: 1.5rem;
}

.modal-backdrop {
  --bs-backdrop-bg: #020617;
  --bs-backdrop-opacity: 0.72;
}

.modal-content {
  --bs-modal-bg:                  var(--card-surface);
  --bs-modal-border-color:        var(--border-strong);
  --bs-modal-border-radius:       18px;
  --bs-modal-inner-border-radius: 17px;
  --bs-modal-box-shadow:          var(--theme-shadow-soft);
  --bs-modal-color:               var(--text-primary);
  --bs-modal-header-border-color: transparent;
  --bs-modal-footer-border-color: transparent;
  box-shadow: var(--theme-shadow-soft);
}

.modal-header {
  --modal-header-accent: var(--accent);
  padding: 20px 20px 12px;
  background: transparent !important;
  color: var(--text-primary) !important;
  border-bottom: 0;
}

.theme-modal-header {
  background: transparent;
  color: var(--text-primary);
}

.modal-title {
  color: var(--modal-header-accent);
  font-weight: 600;
}

.modal-header.bg-primary {
  --modal-header-accent: var(--accent);
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, var(--card-surface)), var(--card-surface)) !important;
  border-bottom-color: color-mix(in srgb, var(--accent) 24%, var(--border-subtle));
}

.modal-header.bg-success {
  --modal-header-accent: var(--success);
  background: linear-gradient(180deg, color-mix(in srgb, var(--badge-live-bg) 88%, var(--card-surface) 12%), var(--card-surface)) !important;
  border-bottom-color: color-mix(in srgb, var(--accent-strong) 26%, var(--border-subtle));
}

.modal-header.bg-warning {
  --modal-header-accent: var(--accent-warm);
  background: linear-gradient(180deg, color-mix(in srgb, var(--badge-warn-bg) 88%, var(--card-surface) 12%), var(--card-surface)) !important;
  border-bottom-color: color-mix(in srgb, var(--accent-warm) 26%, var(--border-subtle));
}

.modal-header.bg-danger {
  --modal-header-accent: var(--danger);
  background: linear-gradient(180deg, color-mix(in srgb, var(--badge-error-bg) 88%, var(--card-surface) 12%), var(--card-surface)) !important;
  border-bottom-color: color-mix(in srgb, var(--danger) 26%, var(--border-subtle));
}

.modal-header.bg-secondary {
  --modal-header-accent: var(--text-secondary);
  background: linear-gradient(180deg, color-mix(in srgb, var(--badge-muted-bg) 88%, var(--card-surface) 12%), var(--card-surface)) !important;
  border-bottom-color: color-mix(in srgb, var(--text-muted) 18%, var(--border-subtle));
}

.modal-header.bg-primary .modal-title,
.modal-header.bg-primary .modal-title i,
.modal-header.bg-success .modal-title,
.modal-header.bg-success .modal-title i,
.modal-header.bg-warning .modal-title,
.modal-header.bg-warning .modal-title i,
.modal-header.bg-danger .modal-title,
.modal-header.bg-danger .modal-title i,
.modal-header.bg-secondary .modal-title,
.modal-header.bg-secondary .modal-title i {
  color: var(--modal-header-accent);
}

.modal-body {
  padding: 12px 20px 20px;
}

.modal-footer {
  padding: 0 20px 20px;
  background: transparent;
  border-top: 0;
  align-items: stretch;
}
.modal-footer .btn {
  display: inline-flex;
  align-items: center;
}

.modal-header .btn-close,
.theme-modal-header .btn-close {
  filter: invert(0.7);
}


/* ── Alerts ──────────────────────────────────────────────────────────── */
.alert { --bs-alert-border-radius: 14px; }

.alert-info {
  --bs-alert-color:        var(--text-secondary);
  --bs-alert-bg:           color-mix(in srgb, var(--accent) 10%, transparent);
  --bs-alert-border-color: color-mix(in srgb, var(--accent) 24%, transparent);
}

.alert-warning {
  --bs-alert-color:        var(--accent-warm);
  --bs-alert-bg:           var(--badge-warn-bg);
  --bs-alert-border-color: color-mix(in srgb, var(--accent-warm) 24%, transparent);
}

.alert-danger {
  --bs-alert-color:        var(--danger);
  --bs-alert-bg:           var(--badge-error-bg);
  --bs-alert-border-color: color-mix(in srgb, var(--danger) 24%, transparent);
}

.alert-success {
  --bs-alert-color:        var(--success);
  --bs-alert-bg:           var(--badge-live-bg);
  --bs-alert-border-color: color-mix(in srgb, var(--accent-strong) 24%, transparent);
}

.alert-light {
  --bs-alert-color:        var(--text-secondary);
  --bs-alert-bg:           var(--surface-2);
  --bs-alert-border-color: var(--border-subtle);
}

.alert-secondary {
  --bs-alert-color:        var(--text-secondary);
  --bs-alert-bg:           var(--badge-muted-bg);
  --bs-alert-border-color: color-mix(in srgb, var(--text-muted) 24%, transparent);
}

/* ── Project tier display ────────────────────────────────────────────── */
.project-tier-display { background-color: var(--surface-2); }


/* ── Create Collection page ──────────────────────────────────────────── */
.create-collection-hero-icon {
  font-size: 4rem;
  color: var(--accent);
}

.collection-next-step-card {
  background: var(--surface-2) !important;
  border-color: var(--border-subtle) !important;
}

.collection-next-step-icon {
  font-size: 2rem;
  color: var(--accent);
}


/* ── Footer ──────────────────────────────────────────────────────────── */
.footer {
  background: var(--surface-1);
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  margin-top: auto;
  flex-shrink: 0;
  padding: 1rem 0;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  column-gap: 0.9rem;
  row-gap: 0.75rem;
}

a.footer-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 34px;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--theme-transition), background var(--theme-transition), border-color var(--theme-transition);
}

a.footer-link:hover {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--surface-2));
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border-subtle));
}

/* ── Gradient card header ────────────────────────────────────────────── */
/* Use on .card-header when background is accent-gradient. Locks text and
   icons to white so they stay visible in both themes. */
.card-header-gradient {
  background: var(--header-gradient) !important;
  color: white !important;
  --bs-card-cap-color: white;
  --bs-heading-color: white;
}
.card-header-gradient i,
.card-header-gradient .card-title i,
.card-header-gradient h5 > i,
.card-header-gradient h6 > i,
.card-header-gradient .modal-title,
.card-header-gradient .modal-title i {
  color: white !important;
}

/* ── Surface box ─────────────────────────────────────────────────────── */
/* Subtle inset card: surface-2 background, soft border, standard radius */
.surface-box {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 12px;
}

/* ── Stat cards (KPI) ────────────────────────────────────────────────── */
/* No border on 3 sides; thick token-colored left accent bar */
.card-stat-accent  { border: 0; border-left: 4px solid var(--accent)        !important; }
.card-stat-warm    { border: 0; border-left: 4px solid var(--accent-warm)   !important; }
.card-stat-success { border: 0; border-left: 4px solid var(--accent-strong) !important; }

/* ── Typography utilities ────────────────────────────────────────────── */
.eyebrow {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.title-gradient {
  background: var(--title-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-accent {
  color: var(--accent) !important;
}

.min-vh-70 {
  min-height: 70vh;
}

.icon-display-lg {
  font-size: 4rem;
  line-height: 1;
}

.text-measure-md {
  max-width: 28rem;
}

/* ── Theme switch pill ───────────────────────────────────────────────── */
.theme-switch-frame {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 6px;
  border: none;
  border-radius: 10px;
  background: transparent;
  transition: background var(--theme-transition);
}

.theme-switch-frame:hover { background: var(--surface-3); }

.theme-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 48px;
  height: 28px;
  padding: 0;
  min-height: unset;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-3) 92%, transparent);
  box-shadow: inset 0 1px 2px #0f172a1f;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--theme-transition), border-color var(--theme-transition);
}

.theme-switch:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border-strong));
}

.theme-switch-track {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  display: block;
}

.theme-switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  z-index: 1;
  border-radius: 50%;
  background: var(--surface-1);
  box-shadow: 0 1px 4px #0f172a3d;
  transition: transform var(--theme-transition), background var(--theme-transition);
  pointer-events: none;
}

.theme-switch[data-theme="light"] .theme-switch-thumb { transform: translateX(20px); }

.theme-switch-icon {
  position: absolute;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 11px;
  line-height: 1;
  opacity: 0.62;
  transition: opacity var(--theme-transition), color var(--theme-transition);
  pointer-events: none;
}

.theme-switch-icon-moon { left: 7px; }
.theme-switch-icon-sun  { right: 7px; }

.theme-switch[data-theme="dark"]  .theme-switch-icon-moon,
.theme-switch[data-theme="light"] .theme-switch-icon-sun  { opacity: 1; }

.theme-switch[data-theme="dark"]  .theme-switch-icon-moon { color: #dbeafe; }
.theme-switch[data-theme="light"] .theme-switch-icon-sun  { color: color-mix(in srgb, var(--accent-warm) 76%, #ffffff); }

.theme-switch[data-theme="dark"]  .theme-switch-icon-sun,
.theme-switch[data-theme="light"] .theme-switch-icon-moon { opacity: 0.34; }

/* ── Collection Picker ───────────────────────────────────────────────── */
.collection-picker-wrap { max-width: 520px; }

.collection-picker {
  max-height: 400px;
  overflow-y: auto;
  background: color-mix(in srgb, var(--surface-2) 92%, transparent);
  border-color: var(--border-subtle) !important;
  border-radius: 8px !important;
  padding: 4px !important;
}

.wizard-collection-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.wizard-collection-sort {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.wizard-collection-sort .form-select { min-width: 170px; }

.collection-picker-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 4px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  transition: background var(--theme-transition), border-color var(--theme-transition);
}

.collection-picker-option:last-child { margin-bottom: 0; }

.collection-picker-option .form-check-input {
  flex: 0 0 auto;
  margin-top: 4px;
  margin-left: 0;
}

.collection-picker-option:hover {
  background: color-mix(in srgb, var(--accent) 10%, var(--surface-2));
  border-color: color-mix(in srgb, var(--accent) 22%, var(--border-subtle));
}

.collection-picker-label {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.collection-picker-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 2px;
}

.collection-picker-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.collection-picker-description {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.45;
}

@media (max-width: 575.98px) {
  .wizard-collection-toolbar { flex-direction: column; align-items: stretch; }
  .wizard-collection-sort { justify-content: space-between; }
}

/* ── Loading Overlay ─────────────────────────────────────────────────── */
/* Full-screen backdrop with blur. JS: add .active to show, remove to hide. */
.loading-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--surface-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  animation: loading-fade-in 0.3s ease-in-out;
}

.loading-overlay.active { display: flex; }

.loading-overlay .spinner-container {
  text-align: center;
  animation: loading-slide-up 0.4s ease-out;
}

.loading-overlay .spinner-border { border-width: 0.35em; }

.loading-overlay .loading-text {
  animation: loading-pulse 1.5s ease-in-out infinite;
}

@keyframes loading-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes loading-slide-up {
  from { transform: translateY(30px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

@keyframes loading-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.6; }
}

/* Button loading state — add .btn-loading to show pulse + spinning icon */
.btn-loading {
  animation: btn-pulse 1.5s ease-in-out infinite;
  position: relative;
}

.btn-loading .bi {
  animation: loading-spin 1s linear infinite;
  display: inline-block;
}

@keyframes btn-pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--theme-ring); }
  50%       { box-shadow: 0 0 0 10px transparent; }
}

@keyframes loading-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Scrollbars ──────────────────────────────────────────────────────── */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; }