/* ==========================================================================
   CAT — Modern Theme (Bootstrap 5)
   Design system: tokens, admin shell (sidebar + topbar), cards, tables,
   forms, buttons, badges, modal, and plugin restyles.
   All assets are vendored locally (offline-friendly).
   ========================================================================== */

/* ----- Font -------------------------------------------------------------- */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('../../fonts/inter/inter-latin-wght-normal.woff2') format('woff2');
}

/* ----- Design tokens ----------------------------------------------------- */
:root {
  /* Brand (Komdigi blue) */
  --cat-primary: #0d6efd;
  --cat-primary-rgb: 13, 110, 253;
  --cat-primary-dark: #0b5ed7;
  --cat-primary-soft: #e7f0ff;

  --cat-success: #16a34a;
  --cat-warning: #f59e0b;
  --cat-danger: #dc2626;
  --cat-info: #0ea5e9;

  /* Surfaces */
  --cat-bg: #f4f6fb;
  --cat-surface: #ffffff;
  --cat-border: #e6e9f0;
  --cat-muted: #6b7280;
  --cat-heading: #1f2937;

  /* Sidebar (dark) */
  --cat-sidebar-bg: #0f172a;
  --cat-sidebar-bg-2: #111c33;
  --cat-sidebar-fg: #c3cad9;
  --cat-sidebar-fg-muted: #7e8aa3;
  --cat-sidebar-active: #1d2b4d;
  --cat-sidebar-width: 264px;
  --cat-sidebar-width-collapsed: 76px;

  --cat-topbar-h: 64px;

  /* Shape & depth */
  --cat-radius: 14px;
  --cat-radius-sm: 10px;
  --cat-radius-pill: 999px;
  --cat-shadow-sm: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --cat-shadow: 0 4px 16px rgba(16, 24, 40, .08);
  --cat-shadow-lg: 0 12px 32px rgba(16, 24, 40, .14);

  /* Map onto Bootstrap variables */
  --bs-primary: var(--cat-primary);
  --bs-primary-rgb: var(--cat-primary-rgb);
  --bs-body-bg: var(--cat-bg);
  --bs-body-color: #374151;
  --bs-body-font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --bs-border-color: var(--cat-border);
  --bs-link-color: var(--cat-primary);
  --bs-link-hover-color: var(--cat-primary-dark);
}

/* ----- Base -------------------------------------------------------------- */
body {
  font-family: var(--bs-body-font-family);
  background-color: var(--cat-bg);
  color: var(--bs-body-color);
  font-size: .85rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  color: var(--cat-heading);
  font-weight: 600;
}

a { text-decoration: none; }

/* Keep Bootstrap primary in sync (utility overrides) */
.btn-primary {
  --bs-btn-bg: var(--cat-primary);
  --bs-btn-border-color: var(--cat-primary);
  --bs-btn-hover-bg: var(--cat-primary-dark);
  --bs-btn-hover-border-color: var(--cat-primary-dark);
  --bs-btn-active-bg: var(--cat-primary-dark);
  --bs-btn-active-border-color: var(--cat-primary-dark);
  --bs-btn-disabled-bg: var(--cat-primary);
  --bs-btn-disabled-border-color: var(--cat-primary);
}
.text-primary { color: var(--cat-primary) !important; }
.bg-primary { background-color: var(--cat-primary) !important; }
.btn { --bs-btn-border-radius: var(--cat-radius-sm); font-weight: 500; }
.btn-sm { --bs-btn-border-radius: 8px; }

/* ==========================================================================
   ADMIN SHELL
   ========================================================================== */
.app-body {
  min-height: 100vh;
}

/* Sidebar -------------------------------------------------------- */
.app-sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--cat-sidebar-width);
  background: linear-gradient(180deg, var(--cat-sidebar-bg) 0%, var(--cat-sidebar-bg-2) 100%);
  color: var(--cat-sidebar-fg);
  display: flex;
  flex-direction: column;
  z-index: 1040;
  transition: transform .25s ease, width .2s ease;
  overflow: hidden;
}

.app-sidebar__brand {
  height: var(--cat-topbar-h);
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: 0 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  flex-shrink: 0;
}
.app-sidebar__brand img {
  max-height: 38px;
  max-width: 100%;
  width: auto;
  background: #fff;
  padding: 5px 8px;
  border-radius: 6px;
}
.app-sidebar__brand .brand-text {
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .2px;
  white-space: nowrap;
}

.app-sidebar__nav {
  flex: 1;
  overflow-y: auto;
  padding: .85rem .75rem 1.25rem;
}
.app-sidebar__nav::-webkit-scrollbar { width: 6px; }
.app-sidebar__nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 6px; }

.app-sidebar__heading {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--cat-sidebar-fg-muted);
  padding: 1rem .85rem .4rem;
  font-weight: 600;
}

.app-nav { list-style: none; margin: 0; padding: 0; }
.app-nav .nav-item { margin: 2px 0; }

.app-nav .nav-link {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem .85rem;
  border-radius: var(--cat-radius-sm);
  color: var(--cat-sidebar-fg);
  font-size: .92rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background .15s ease, color .15s ease;
}
.app-nav .nav-link > i:first-child {
  font-size: 1.1rem;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}
.app-nav .nav-link:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.app-nav .nav-link.active { background: var(--cat-primary); color: #fff; box-shadow: 0 6px 16px rgba(var(--cat-primary-rgb), .35); }

/* Collapsible (treeview) */
.app-nav .nav-link[data-bs-toggle="collapse"] .chevron {
  margin-left: auto;
  transition: transform .2s ease;
  font-size: .85rem;
}
.app-nav .nav-link[aria-expanded="true"] .chevron { transform: rotate(90deg); }
.app-nav .nav-link[aria-expanded="true"] { color: #fff; }

.app-subnav { list-style: none; margin: 2px 0 4px; padding: 0 0 0 .35rem; }
.app-subnav .nav-link {
  padding: .5rem .85rem .5rem 2.4rem;
  font-size: .87rem;
  color: var(--cat-sidebar-fg-muted);
  position: relative;
}
.app-subnav .nav-link::before {
  content: "";
  position: absolute;
  left: 1.45rem; top: 50%;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  transform: translateY(-50%);
  opacity: .55;
}
.app-subnav .nav-link:hover { color: #fff; background: rgba(255,255,255,.05); }
.app-subnav .nav-link.active { color: #fff; background: var(--cat-sidebar-active); box-shadow: none; }

.app-sidebar__footer {
  padding: .75rem 1.25rem;
  font-size: .72rem;
  color: var(--cat-sidebar-fg-muted);
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, .06);
  flex-shrink: 0;
}

/* Topbar --------------------------------------------------------- */
.app-topbar {
  position: sticky;
  top: 0;
  height: var(--cat-topbar-h);
  background: rgba(255, 255, 255, .85);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--cat-border);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  z-index: 1030;
}
.app-topbar__toggle {
  background: transparent;
  border: 0;
  font-size: 1.4rem;
  color: var(--cat-heading);
  line-height: 1;
  padding: .25rem;
  border-radius: 8px;
}
.app-topbar__toggle:hover { background: var(--cat-bg); }
.app-topbar__title { font-weight: 600; color: var(--cat-heading); font-size: 1.05rem; }
.app-topbar__spacer { flex: 1; }

.app-user {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .35rem .6rem .35rem .35rem;
  border-radius: var(--cat-radius-pill);
  border: 1px solid var(--cat-border);
  background: #fff;
  color: var(--cat-heading);
}
.app-user:hover { background: var(--cat-bg); }
.app-user img, .app-user .avatar-fallback {
  width: 34px; height: 34px;
  border-radius: 50%;
  object-fit: cover;
}
.app-user .avatar-fallback {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--cat-primary-soft); color: var(--cat-primary); font-weight: 600;
}
.app-user__name { font-size: .9rem; font-weight: 500; }

/* Content area --------------------------------------------------- */
.app-main {
  margin-left: var(--cat-sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left .2s ease;
}
.app-content { padding: 1.75rem; flex: 1; }

/* Collapsed state (desktop) */
body.sidebar-collapsed .app-sidebar { width: var(--cat-sidebar-width-collapsed); }
body.sidebar-collapsed .app-sidebar .brand-text,
body.sidebar-collapsed .app-sidebar__heading,
body.sidebar-collapsed .app-nav .nav-link span,
body.sidebar-collapsed .app-nav .nav-link .chevron,
body.sidebar-collapsed .app-sidebar__footer { display: none; }
body.sidebar-collapsed .app-sidebar .app-subnav { display: none !important; }
body.sidebar-collapsed .app-nav .nav-link { justify-content: center; padding: .6rem; }
body.sidebar-collapsed .app-main { margin-left: var(--cat-sidebar-width-collapsed); }

/* Mobile backdrop */
.app-backdrop {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, .45);
  z-index: 1039;
  opacity: 0; visibility: hidden;
  transition: opacity .2s ease;
}

@media (max-width: 991.98px) {
  .app-sidebar { transform: translateX(-100%); width: var(--cat-sidebar-width); }
  body.sidebar-open .app-sidebar { transform: translateX(0); }
  body.sidebar-open .app-backdrop { opacity: 1; visibility: visible; }
  .app-main { margin-left: 0; }
}

/* ==========================================================================
   PAGE HEADER
   ========================================================================== */
.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.page-header__title { margin: 0; font-size: 1.45rem; font-weight: 700; }
.page-header__subtitle { margin: .2rem 0 0; color: var(--cat-muted); font-size: .9rem; }
.breadcrumb { --bs-breadcrumb-divider-color: var(--cat-muted); margin: 0; font-size: .85rem; }

/* ==========================================================================
   CARDS
   ========================================================================== */
.card {
  border: 1px solid var(--cat-border);
  border-radius: var(--cat-radius);
  box-shadow: var(--cat-shadow-sm);
  background: var(--cat-surface);
}
.card-header {
  background: transparent;
  border-bottom: 1px solid var(--cat-border);
  padding: 1.1rem 1.35rem;
  font-weight: 600;
  color: var(--cat-heading);
}
.card-header h1, .card-header h2, .card-header h3, .card-header h4, .card-header h5 { margin: 0; font-size: 1.05rem; }
.card-body { padding: 1.35rem; }
.card-footer { background: transparent; border-top: 1px solid var(--cat-border); padding: 1rem 1.35rem; }

/* Stat card */
.stat-card { display: flex; align-items: center; gap: 1rem; }
.stat-card__icon {
  width: 54px; height: 54px;
  border-radius: var(--cat-radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  background: var(--cat-primary-soft);
  color: var(--cat-primary);
  flex-shrink: 0;
}
.stat-card__value { font-size: 1.7rem; font-weight: 700; line-height: 1.1; color: var(--cat-heading); }
.stat-card__label { color: var(--cat-muted); font-size: .85rem; margin: 0; }
.stat-card--success .stat-card__icon { background: #dcfce7; color: var(--cat-success); }
.stat-card--warning .stat-card__icon { background: #fef3c7; color: var(--cat-warning); }
.stat-card--danger  .stat-card__icon { background: #fee2e2; color: var(--cat-danger); }
.stat-card--info    .stat-card__icon { background: #e0f2fe; color: var(--cat-info); }

/* ==========================================================================
   TABLES
   ========================================================================== */
.table {
  --bs-table-border-color: var(--cat-border);
  margin-bottom: 0;
  color: #374151;
}
.table > thead > tr > th {
  background: #f8fafc;
  color: var(--cat-muted);
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  font-weight: 600;
  border-bottom: 1px solid var(--cat-border);
  padding: .85rem 1rem;
  white-space: nowrap;
}
.table > tbody > tr > td { padding: .65rem 1rem; vertical-align: middle; border-color: var(--cat-border); font-size: .82rem; }
.dropdown-menu { font-size: .82rem; }
.btn { font-size: .82rem; }
.btn-sm { font-size: .76rem; }
.table-hover > tbody > tr:hover > * { background-color: var(--cat-primary-soft); }
.table-card { border-radius: var(--cat-radius); overflow: hidden; }

/* ==========================================================================
   FORMS
   ========================================================================== */
.form-label { font-weight: 500; color: var(--cat-heading); margin-bottom: .3rem; font-size: .78rem; }
.form-control, .form-select {
  border-radius: var(--cat-radius-sm);
  border-color: var(--cat-border);
  padding: .4rem .7rem;
  font-size: .8rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--cat-primary);
  box-shadow: 0 0 0 .2rem rgba(var(--cat-primary-rgb), .15);
}
.input-group-text { background: #f8fafc; border-color: var(--cat-border); border-radius: var(--cat-radius-sm); color: var(--cat-muted); }

/* ==========================================================================
   BADGES & MISC
   ========================================================================== */
.badge { font-weight: 600; padding: .4em .7em; border-radius: var(--cat-radius-pill); }
.badge.bg-soft-success { background: #dcfce7; color: var(--cat-success); }
.badge.bg-soft-danger  { background: #fee2e2; color: var(--cat-danger); }
.badge.bg-soft-warning { background: #fef3c7; color: #b45309; }
.badge.bg-soft-primary { background: var(--cat-primary-soft); color: var(--cat-primary); }
.badge.bg-soft-secondary { background: #f1f5f9; color: #475569; }

/* ==========================================================================
   MODAL
   ========================================================================== */
.modal-content { border: 0; border-radius: var(--cat-radius); box-shadow: var(--cat-shadow-lg); }
.modal-header { border-bottom: 1px solid var(--cat-border); padding: 1.1rem 1.35rem; }
.modal-title { font-size: 1.1rem; }
.modal-body { padding: 1.35rem; }
.modal-footer { border-top: 1px solid var(--cat-border); padding: 1rem 1.35rem; }

/* ==========================================================================
   PLUGIN RESTYLES
   ========================================================================== */
/* DataTables (works with both default & bs5 integration) */
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
  border: 1px solid var(--cat-border);
  border-radius: var(--cat-radius-sm);
  padding: .4rem .7rem;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
  background: var(--cat-primary) !important;
  border-color: var(--cat-primary) !important;
  color: #fff !important;
  border-radius: 8px;
}
.dataTables_wrapper .dataTables_paginate .paginate_button {
  border-radius: 8px !important;
  padding: .3rem .7rem !important;
}
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter { color: var(--cat-muted); margin-bottom: .75rem; }

/* Select2 (default theme) → modern */
.select2-container--default .select2-selection--single {
  height: calc(2.4rem + 2px);
  border-color: var(--cat-border) !important;
  border-radius: var(--cat-radius-sm) !important;
}
.select2-container--default .select2-selection--single .select2-selection__rendered { line-height: 2.4rem; padding-left: .85rem; }
.select2-container--default .select2-selection--single .select2-selection__arrow { height: 2.4rem; }
.select2-container--default .select2-selection--multiple { border-color: var(--cat-border) !important; border-radius: var(--cat-radius-sm) !important; min-height: calc(2.4rem + 2px); }
.select2-dropdown { border-color: var(--cat-border); border-radius: var(--cat-radius-sm); box-shadow: var(--cat-shadow); }
.select2-container--default .select2-results__option--highlighted[aria-selected] { background: var(--cat-primary); }

/* Summernote */
.note-editor.note-frame, .note-editor.note-airframe { border-radius: var(--cat-radius-sm); border-color: var(--cat-border); }
.note-toolbar { background: #f8fafc; }

/* Loading overlay (kept from legacy markup) */
.loading {
  display: none;
  position: fixed; inset: 0;
  z-index: 2000;
  align-items: center; justify-content: center;
  flex-direction: column;
}
.loading #overlay { position: absolute; inset: 0; background: rgba(15, 23, 42, .35); }
.loading .loader {
  position: relative;
  width: 48px; height: 48px;
  border: 4px solid rgba(255, 255, 255, .35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: cat-spin .8s linear infinite;
}
.loading .loading-text { position: relative; color: #fff; margin-top: .75rem; font-weight: 500; }
@keyframes cat-spin { to { transform: rotate(360deg); } }

/* Utility */
.text-muted-2 { color: var(--cat-muted) !important; }
.cursor-pointer { cursor: pointer; }