/* ==========================================================================
   bstockify — Design system (tenant back-office)
   Modern SaaS look: slate + emerald, flat surfaces, subtle shadows.
   Built on Bootstrap 5.3 CSS variables — no JS framework changes.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand palette */
  --bs-primary: #334155;
  --bs-primary-rgb: 51, 65, 85;
  --bs-primary-bg-subtle: #e8edf2;
  --bs-primary-text-emphasis: #1e293b;
  --bs-primary-border-subtle: #c9d3de;

  --bs-secondary: #64748b;
  --bs-secondary-rgb: 100, 116, 139;
  --bs-secondary-bg-subtle: #eef1f5;
  --bs-secondary-text-emphasis: #475569;
  --bs-secondary-border-subtle: #d7dee6;

  --bs-success: #059669;
  --bs-success-rgb: 5, 150, 105;
  --bs-success-bg-subtle: #dcf3e9;
  --bs-success-text-emphasis: #047857;
  --bs-success-border-subtle: #b5e6d2;

  --bs-info: #0284c7;
  --bs-info-rgb: 2, 132, 199;
  --bs-info-bg-subtle: #dcf0fb;
  --bs-info-text-emphasis: #0369a1;
  --bs-info-border-subtle: #b6e1f6;

  --bs-warning: #d97706;
  --bs-warning-rgb: 217, 119, 6;
  --bs-warning-bg-subtle: #fbf0dc;
  --bs-warning-text-emphasis: #b45309;
  --bs-warning-border-subtle: #f3dab2;

  --bs-danger: #dc2626;
  --bs-danger-rgb: 220, 38, 38;
  --bs-danger-bg-subtle: #fbe0e0;
  --bs-danger-text-emphasis: #b91c1c;
  --bs-danger-border-subtle: #f3c0c0;

  --bs-light: #f8fafc;
  --bs-light-rgb: 248, 250, 252;
  --bs-light-text-emphasis: #475569;
  --bs-light-bg-subtle: #f8fafc;

  --bs-dark: #0f172a;
  --bs-dark-rgb: 15, 23, 42;

  --bs-body-bg: #f1f5f9;
  --bs-body-color: #0f172a;
  --bs-body-color-rgb: 15, 23, 42;
  --bs-body-font-family: "Open Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-body-font-size: 0.9375rem;
  --bs-body-font-weight: 400;
  --bs-body-line-height: 1.6;

  --bs-link-color: #334155;
  --bs-link-hover-color: #0f172a;

  --bs-border-color: #e2e8f0;
  --bs-border-color-translucent: rgba(15, 23, 42, 0.08);
  --bs-border-radius: 0.75rem;
  --bs-border-radius-sm: 0.5rem;
  --bs-border-radius-lg: 1rem;
  --bs-border-radius-xl: 1.25rem;
  --bs-border-radius-2xl: 1.5rem;
  --bs-border-radius-pill: 50rem;

  --bs-box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --bs-box-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --bs-box-shadow-lg: 0 10px 30px -10px rgba(15, 23, 42, 0.18);

  --bs-font-sans-serif: "Open Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-heading-font-family: "Poppins", system-ui, sans-serif;

  /* App-specific tokens */
  --app-bg: #f1f5f9;
  --app-surface: #ffffff;
  --app-surface-soft: #f8fafc;
  --app-border: #e2e8f0;
  --app-text: #0f172a;
  --app-muted: #64748b;
  --app-accent: #059669;
  --app-sidebar-bg: #0f172a;
  --app-sidebar-bg-2: #1e293b;
  --app-sidebar-text: #94a3b8;
  --app-sidebar-text-active: #ffffff;
  --app-sidebar-width: 264px;
  --app-topbar-height: 64px;
  --app-focus-ring: rgba(5, 150, 105, 0.28);
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--app-bg);
  color: var(--app-text);
  font-family: var(--bs-body-font-family);
  font-size: var(--bs-body-font-size);
  line-height: var(--bs-body-line-height);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--bs-heading-font-family);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--app-text);
}

a { text-decoration: none; }
a:hover { text-decoration: none; }

code {
  padding: 0.15em 0.4em;
  background: var(--bs-primary-bg-subtle);
  border: 1px solid var(--bs-primary-border-subtle);
  border-radius: 0.4rem;
  font-size: 0.85em;
  color: var(--bs-primary-text-emphasis);
}

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

:focus-visible {
  outline: 3px solid var(--app-focus-ring);
  outline-offset: 2px;
  border-radius: 0.3rem;
}

::selection { background: rgba(5, 150, 105, 0.2); }

/* --------------------------------------------------------------------------
   3. App shell
   -------------------------------------------------------------------------- */
.app-shell { 
  min-height: 100vh;
  display: flex;
  flex-direction: row;
}

/* Sidebar (desktop) */
.sidebar {
  position: relative;
  width: 264px;
  min-width: 264px;
  background: var(--app-sidebar-bg);
  background-image: linear-gradient(180deg, #111c30 0%, #0b1424 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar .brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 1.15rem 1.25rem 0.85rem;
  color: #fff;
}

.sidebar .brand-logo {
  flex-shrink: 0;
}

.sidebar .brand-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 0.6rem;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
  font-family: var(--bs-heading-font-family);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.sidebar .brand-text {
  font-family: var(--bs-heading-font-family);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.1;
}

.sidebar .tenant-name {
  padding: 0 1.25rem 0.9rem;
  font-size: 0.72rem;
  color: var(--app-sidebar-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar .nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.75rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
  scrollbar-gutter: stable;
}

.sidebar .nav::-webkit-scrollbar { width: 6px; }
.sidebar .nav::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.15); border-radius: 3px; }
.sidebar .nav::-webkit-scrollbar-track { background: transparent; }

.sidebar .nav-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.55rem 0.8rem;
  margin-bottom: 0.15rem;
  border-radius: 0.6rem;
  color: var(--app-sidebar-text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease, padding-left 0.2s ease;
  white-space: nowrap;
  position: relative;
}

.sidebar .nav-link i { font-size: 1.05rem; width: 1.2rem; text-align: center; }

.sidebar .nav-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  transform: translateX(4px);
}

.sidebar .nav-link.active {
  background: rgba(5, 150, 105, 0.18);
  color: #fff;
  box-shadow: inset 3px 0 0 var(--app-accent);
  transform: translateX(6px);
  font-weight: 600;
}

.sidebar .nav-link.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(5, 150, 105, 0.1);
  border-radius: 0.6rem;
  animation: slideInActive 0.3s ease;
}

@keyframes slideInActive {
  from {
    transform: scaleX(0);
    opacity: 0;
  }
  to {
    transform: scaleX(1);
    opacity: 1;
  }
}

.sidebar .nav-group > .nav-link { font-weight: 600; }

.sidebar .nav-group > .nav-link .nav-arrow {
  margin-left: auto;
  font-size: 0.75rem;
  color: rgba(148, 163, 184, 0.7);
  transition: transform 0.2s ease;
}

.sidebar .nav-group > .nav-link[aria-expanded="true"] .nav-arrow,
.sidebar .nav-group > .nav-link.open .nav-arrow {
  transform: rotate(90deg);
}

.sidebar .nav-sublist {
  margin: 0.15rem 0 0.5rem 0.55rem;
  padding-left: 0.9rem;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar .nav-sublist .nav-link {
  font-size: 0.84rem;
  padding: 0.42rem 0.75rem;
}

.sidebar .sidebar-footer {
  padding: 0.9rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.72rem;
  color: rgba(148, 163, 184, 0.7);
}

/* Sidebar backdrop (mobile) */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1030;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.sidebar-backdrop.show { opacity: 1; visibility: visible; }

/* Main column */
.app-main {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  flex: 1;
}

@media (min-width: 992px) {
  .app-main { margin-left: 0; }
}

/* --------------------------------------------------------------------------
   4. Topbar
   -------------------------------------------------------------------------- */
.app-topbar {
  position: sticky;
  top: 0;
  z-index: 1020;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  height: var(--app-topbar-height);
  padding: 0 1.5rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--app-border);
}

.app-topbar .topbar-title {
  font-family: var(--bs-heading-font-family);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--app-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-topbar .topbar-user {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.avatar {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  font-family: var(--bs-heading-font-family);
}

.app-topbar .user-meta { line-height: 1.2; }
.app-topbar .user-meta .name { font-size: 0.85rem; font-weight: 600; color: var(--app-text); }
.app-topbar .user-meta .sub { font-size: 0.72rem; color: var(--app-muted); }

/* Icon button */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--app-border);
  border-radius: 0.6rem;
  background: var(--app-surface);
  color: var(--app-muted);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.icon-btn:hover { background: var(--app-surface-soft); color: var(--app-text); border-color: #cbd5e1; }

/* --------------------------------------------------------------------------
   5. Content area
   -------------------------------------------------------------------------- */
.app-content {
  flex: 1;
  padding: 1.5rem 1.5rem 3rem;
  width: 100%;
}

.app-content > h4:first-child,
.app-content .d-flex > h4 {
  font-size: 1.25rem;
  font-weight: 700;
}

@media (min-width: 992px) {
  .app-content { padding: 2rem 2.5rem 4rem; }
}

/* Page header pattern: views use `.d-flex justify-content-between mb-3` */
.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-header .page-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0;
}

/* Toolbar / search filters */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.5rem 0.75rem;
  margin-bottom: 1.25rem;
}

.toolbar .form-label { margin-bottom: 0.3rem; }

/* --------------------------------------------------------------------------
   6. Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--bs-border-radius);
  box-shadow: var(--bs-box-shadow-sm);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--app-border);
  padding: 0.9rem 1.25rem;
  font-family: var(--bs-heading-font-family);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--app-text);
  border-top-left-radius: calc(var(--bs-border-radius) - 1px);
  border-top-right-radius: calc(var(--bs-border-radius) - 1px);
}

.card-body { padding: 1.25rem; }

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

/* Stat / KPI card */
.stat-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--bs-border-radius);
  box-shadow: var(--bs-box-shadow-sm);
  height: 100%;
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--bs-box-shadow-lg);
}

.stat-card .stat-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 0.75rem;
  font-size: 1.35rem;
}

.stat-card .stat-icon.tone-primary { background: rgba(51, 65, 85, 0.1); color: #334155; }
.stat-card .stat-icon.tone-success { background: rgba(5, 150, 105, 0.12); color: #059669; }
.stat-card .stat-icon.tone-warning { background: rgba(217, 119, 6, 0.12); color: #d97706; }
.stat-card .stat-icon.tone-danger  { background: rgba(220, 38, 38, 0.1); color: #dc2626; }
.stat-card .stat-icon.tone-info    { background: rgba(2, 132, 199, 0.1); color: #0284c7; }
.stat-card .stat-icon.tone-dark    { background: rgba(15, 23, 42, 0.08); color: #0f172a; }

.stat-card .stat-value {
  font-family: var(--bs-heading-font-family);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--app-text);
  white-space: nowrap;
}

.stat-card .stat-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--app-muted);
  margin-top: 0.15rem;
}

/* Graphique du tableau de bord : hauteur stable, adaptatif */
.dash-panel { height: 100%; display: flex; flex-direction: column; }
.dash-panel .card-body { flex: 1; display: flex; flex-direction: column; }

.chart-box {
  position: relative;
  flex: 1;
  min-height: 280px;
}
.chart-box canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
}

@media (max-width: 575.98px) {
  .chart-box { min-height: 220px; }
}

.quick-actions { margin-top: auto; }
.quick-actions .btn {
  justify-content: flex-start;
  text-align: left;
}

/* --------------------------------------------------------------------------
   7. Buttons
   -------------------------------------------------------------------------- */
.btn {
  font-weight: 500;
  border-radius: 0.55rem;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, transform 0.05s ease;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  --bs-btn-bg: var(--bs-primary);
  --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: #1e293b;
  --bs-btn-hover-border-color: #1e293b;
  --bs-btn-active-bg: #0f172a;
  --bs-btn-active-border-color: #0f172a;
  --bs-btn-disabled-bg: #64748b;
  --bs-btn-disabled-border-color: #64748b;
  --bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}

.btn-outline-primary {
  --bs-btn-color: var(--bs-primary);
  --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: var(--bs-primary);
  --bs-btn-hover-border-color: var(--bs-primary);
  --bs-btn-active-bg: #1e293b;
  --bs-btn-active-border-color: #1e293b;
  --bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}

.btn-success {
  --bs-btn-bg: var(--bs-success);
  --bs-btn-border-color: var(--bs-success);
  --bs-btn-hover-bg: #047857;
  --bs-btn-hover-border-color: #047857;
  --bs-btn-active-bg: #065f46;
  --bs-btn-active-border-color: #065f46;
}

.btn-outline-success {
  --bs-btn-color: var(--bs-success);
  --bs-btn-border-color: var(--bs-success);
  --bs-btn-hover-bg: var(--bs-success);
  --bs-btn-hover-border-color: var(--bs-success);
}

.btn-danger {
  --bs-btn-bg: var(--bs-danger);
  --bs-btn-border-color: var(--bs-danger);
  --bs-btn-hover-bg: #b91c1c;
  --bs-btn-hover-border-color: #b91c1c;
  --bs-btn-active-bg: #991b1b;
  --bs-btn-active-border-color: #991b1b;
}

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

.btn-outline-secondary {
  --bs-btn-color: #475569;
  --bs-btn-border-color: #cbd5e1;
  --bs-btn-hover-bg: #f1f5f9;
  --bs-btn-hover-border-color: #94a3b8;
  --bs-btn-hover-color: #0f172a;
  --bs-btn-active-bg: #e2e8f0;
  --bs-btn-active-border-color: #94a3b8;
}

.btn-outline-light {
  --bs-btn-color: #e2e8f0;
  --bs-btn-border-color: rgba(255, 255, 255, 0.4);
  --bs-btn-hover-bg: rgba(255, 255, 255, 0.12);
  --bs-btn-hover-border-color: #fff;
  --bs-btn-hover-color: #fff;
}

.btn-light {
  --bs-btn-bg: #f1f5f9;
  --bs-btn-border-color: #e2e8f0;
  --bs-btn-hover-bg: #e2e8f0;
  --bs-btn-hover-border-color: #cbd5e1;
  --bs-btn-color: #334155;
}

.btn-sm { border-radius: 0.45rem; }
.btn-lg { border-radius: 0.65rem; padding: 0.6rem 1.25rem; }

.btn + .btn { margin-left: 0.25rem; }

/* --------------------------------------------------------------------------
   8. Forms
   -------------------------------------------------------------------------- */
.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: 0.35rem;
}

.form-control,
.form-select {
  border: 1px solid #cbd5e1;
  border-radius: 0.55rem;
  padding: 0.5rem 0.8rem;
  color: var(--app-text);
  background-color: var(--app-surface);
  font-size: 0.9rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--app-accent);
  box-shadow: 0 0 0 0.25rem var(--app-focus-ring);
  background-color: var(--app-surface);
  color: var(--app-text);
}

.form-control::placeholder { color: #94a3b8; }

.form-control:disabled,
.form-select:disabled { background-color: var(--app-surface-soft); color: var(--app-muted); }

.form-text { color: var(--app-muted); font-size: 0.78rem; margin-top: 0.3rem; }

.input-group-text {
  background: var(--app-surface-soft);
  border: 1px solid #cbd5e1;
  border-radius: 0.55rem;
  color: var(--app-muted);
  font-size: 0.85rem;
}

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

.form-check-input:focus { box-shadow: 0 0 0 0.25rem var(--app-focus-ring); }

/* --------------------------------------------------------------------------
   9. Tables
   -------------------------------------------------------------------------- */
.table {
  --bs-table-color: var(--app-text);
  --bs-table-hover-color: var(--app-text);
  --bs-table-striped-color: var(--app-text);
  --bs-table-hover-bg: #f8fafc;
  --bs-table-striped-bg: #f8fafc;
}

.table > :not(caption) > * > * {
  padding: 0.7rem 0.9rem;
  border-bottom-color: var(--app-border);
}

.table thead th {
  background: var(--app-surface-soft);
  color: var(--app-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--app-border) !important;
  white-space: nowrap;
}

.table tbody tr { transition: background-color 0.12s ease; }
.table-hover tbody tr:hover { --bs-table-accent-bg: #f8fafc; }

.table tbody td { vertical-align: middle; }

.table-responsive { border-radius: calc(var(--bs-border-radius) - 1px); }

.table .btn { white-space: nowrap; }

/* --------------------------------------------------------------------------
   10. Badges
   -------------------------------------------------------------------------- */
.badge {
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.4em 0.7em;
  border-radius: 999px;
}

.text-bg-success {
  --bs-badge-color: #065f46;
  background-color: var(--bs-success-bg-subtle) !important;
  border: 1px solid var(--bs-success-border-subtle);
  color: var(--bs-badge-color) !important;
}

.text-bg-warning {
  --bs-badge-color: #92400e;
  background-color: var(--bs-warning-bg-subtle) !important;
  border: 1px solid var(--bs-warning-border-subtle);
  color: var(--bs-badge-color) !important;
}

.text-bg-danger {
  --bs-badge-color: #991b1b;
  background-color: var(--bs-danger-bg-subtle) !important;
  border: 1px solid var(--bs-danger-border-subtle);
  color: var(--bs-badge-color) !important;
}

.text-bg-info {
  --bs-badge-color: #075985;
  background-color: var(--bs-info-bg-subtle) !important;
  border: 1px solid var(--bs-info-border-subtle);
  color: var(--bs-badge-color) !important;
}

.text-bg-secondary {
  --bs-badge-color: #475569;
  background-color: var(--bs-secondary-bg-subtle) !important;
  border: 1px solid var(--bs-secondary-border-subtle);
  color: var(--bs-badge-color) !important;
}

.text-bg-primary {
  --bs-badge-color: #1e293b;
  background-color: var(--bs-primary-bg-subtle) !important;
  border: 1px solid var(--bs-primary-border-subtle);
  color: var(--bs-badge-color) !important;
}

/* --------------------------------------------------------------------------
   11. Alerts
   -------------------------------------------------------------------------- */
.alert {
  border: 1px solid transparent;
  border-radius: var(--bs-border-radius);
  padding: 0.9rem 1.1rem;
  font-size: 0.9rem;
}

.alert-success {
  background: var(--bs-success-bg-subtle);
  border-color: var(--bs-success-border-subtle);
  color: var(--bs-success-text-emphasis);
}

.alert-danger {
  background: var(--bs-danger-bg-subtle);
  border-color: var(--bs-danger-border-subtle);
  color: var(--bs-danger-text-emphasis);
}

.alert-warning {
  background: var(--bs-warning-bg-subtle);
  border-color: var(--bs-warning-border-subtle);
  color: var(--bs-warning-text-emphasis);
}

.alert-info {
  background: var(--bs-info-bg-subtle);
  border-color: var(--bs-info-border-subtle);
  color: var(--bs-info-text-emphasis);
}

/* Top notice bars (impersonation / subscription) */
.top-notice {
  border-radius: 0;
  border-width: 0 0 1px 0;
  margin: 0;
  padding: 0.55rem 1.5rem;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   12. Pagination
   -------------------------------------------------------------------------- */
.pagination { --bs-pagination-border-radius: 0.5rem; --bs-pagination-color: #334155; }

.page-link {
  border: 1px solid var(--app-border);
  color: #334155;
  padding: 0.45rem 0.8rem;
  font-size: 0.85rem;
  transition: background-color 0.12s ease, color 0.12s ease;
}

.page-link:hover { background: var(--app-surface-soft); color: var(--app-text); }

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

.page-item.disabled .page-link { color: var(--app-muted); background: var(--app-surface-soft); }

/* --------------------------------------------------------------------------
   13. Empty states
   -------------------------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding: 2.75rem 1.25rem;
  color: var(--app-muted);
}

.empty-state .empty-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 0.9rem;
  border-radius: 1rem;
  background: var(--app-surface-soft);
  border: 1px solid var(--app-border);
  font-size: 1.5rem;
  color: #94a3b8;
}

.empty-state .empty-title { font-weight: 600; color: var(--app-text); margin-bottom: 0.25rem; }
.empty-state .empty-text { font-size: 0.85rem; max-width: 34ch; margin: 0 auto; }

/* --------------------------------------------------------------------------
   14. Tabs
   -------------------------------------------------------------------------- */
.nav-tabs {
  border-bottom: 1px solid var(--app-border);
  gap: 0.25rem;
}

.nav-tabs .nav-link {
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  color: var(--app-muted);
  font-weight: 500;
  padding: 0.6rem 1rem;
  margin-bottom: -1px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-tabs .nav-link:hover { color: var(--app-text); }

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

/* --------------------------------------------------------------------------
   15. Modals
   -------------------------------------------------------------------------- */
.modal-content {
  border: 1px solid var(--app-border);
  border-radius: var(--bs-border-radius-lg);
  box-shadow: var(--bs-box-shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--app-border);
  padding: 1rem 1.25rem;
}

.modal-title { font-family: var(--bs-heading-font-family); font-weight: 600; }

.modal-footer { border-top: 1px solid var(--app-border); padding: 0.9rem 1.25rem; }

/* --------------------------------------------------------------------------
   16. Dropdowns
   -------------------------------------------------------------------------- */
.dropdown-menu {
  border: 1px solid var(--app-border);
  border-radius: var(--bs-border-radius);
  box-shadow: var(--bs-box-shadow-lg);
  padding: 0.35rem;
  font-size: 0.88rem;
}

.dropdown-item { border-radius: 0.45rem; padding: 0.45rem 0.75rem; }
.dropdown-item:hover, .dropdown-item:focus { background: var(--app-surface-soft); color: var(--app-text); }
.dropdown-item:active { background: var(--bs-primary); color: #fff; }

.dropdown-item-danger { color: var(--bs-danger); }
.dropdown-item-danger:hover, .dropdown-item-danger:focus { background: var(--bs-danger-bg-subtle); color: var(--bs-danger); }

/* --------------------------------------------------------------------------
   17. Navs / breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb { font-size: 0.8rem; }
.breadcrumb-item a { color: var(--app-muted); }
.breadcrumb-item a:hover { color: var(--app-accent); }
.breadcrumb-item.active { color: var(--app-text); }

/* --------------------------------------------------------------------------
   18. Mobile drawer behaviour
   -------------------------------------------------------------------------- */
@media (max-width: 991.98px) {
  .app-shell {
    flex-direction: column;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 264px;
    z-index: 1040;
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: none;
  }

  .sidebar.open { 
    transform: translateX(0); 
    box-shadow: 0 0 40px rgba(15, 23, 42, 0.4); 
  }

  .app-main {
    position: relative;
  }

  .app-topbar { padding: 0 1rem; }
  .app-content { padding: 1.25rem 1rem 3rem; }

  body.sidebar-open { overflow: hidden; }
}

/* --------------------------------------------------------------------------
   19. Miscellaneous helpers
   -------------------------------------------------------------------------- */
.cursor-pointer { cursor: pointer; }
.user-select-none { user-select: none; }

.text-bg-dark { color: #fff !important; }

/* Auth pages (used by login / register / verify_sent) */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(5, 150, 105, 0.14), transparent 60%),
    radial-gradient(700px 420px at -10% 110%, rgba(51, 65, 85, 0.18), transparent 60%),
    linear-gradient(160deg, #0f172a 0%, #111c30 45%, #0b1424 100%);
}

.auth-card {
  width: 100%;
  border: 0;
  border-radius: 1.25rem;
  box-shadow: 0 24px 60px -12px rgba(2, 6, 23, 0.55);
  background: #fff;
  overflow: hidden;
}

.auth-card .auth-brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 0.8rem;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
  font-family: var(--bs-heading-font-family);
  font-weight: 700;
  font-size: 1.15rem;
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
}

/* --------------------------------------------------------------------------
   20. Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}