/* ==========================================================================
   OFOORNO SaaS — design-system.css
   Tokens + composants de base partagés par TOUS les écrans app.
   (#6.1 Design system · intègre dark mode #6.9 dès la base)
   --------------------------------------------------------------------------
   Ordre du fichier :
     1. Tokens (variables CSS) — light, dark, tenant overrides
     2. Reset doux
     3. Typographie
     4. Layout utilitaires
     5. Boutons
     6. Formulaires (inputs, select, textarea, checkbox, radio)
     7. Cards & panels
     8. Tables
     9. Badges & tags
    10. Toasts & alertes
    11. Modales & drawers
    12. Navigation (tabs, pills, breadcrumbs)
    13. Focus & accessibilité
    14. Utilitaires
   ========================================================================== */

/* ==========================================================================
   1. TOKENS
   ========================================================================== */

:root {
  /* ---- Marque OFOORNO (palette officielle kaki + orange braise) ---- */
  --ofoorno-kaki:        #4A5733;   /* primaire — titres, header, FR+RN du logo */
  --ofoorno-kaki-medium: #6B7B4A;
  --ofoorno-kaki-doux:   #C8CEAE;   /* fonds doux */
  --ofoorno-orange:      #D9602A;   /* accent principal — CTA, OOO du logo */
  --ofoorno-orange-clair:#E8845A;
  --ofoorno-or:          #C8A84B;   /* premium / liseré */
  --ofoorno-ardoise:     #4A4A4A;   /* texte courant */
  --ofoorno-creme:       #F9F7F2;   /* fond ecran */
  --ofoorno-blanc:       #FFFFFF;
  --ofoorno-error:       #B94B2E;

  /* Aliases legacy (compat avec composants existants) */
  --ofoorno-primary:   var(--ofoorno-kaki);
  --ofoorno-primary-2: var(--ofoorno-kaki-medium);
  --ofoorno-accent:    var(--ofoorno-orange);
  --ofoorno-accent-2:  var(--ofoorno-orange-clair);
  /* Aliases Stone/Ember/Bronze (compat avec patch precedent) */
  --ofoorno-stone:     var(--ofoorno-kaki);
  --ofoorno-ember:     var(--ofoorno-orange);
  --ofoorno-ember-2:   var(--ofoorno-orange-clair);
  --ofoorno-bronze:    var(--ofoorno-kaki-medium);
  --ofoorno-bronze-2:  var(--ofoorno-kaki-medium);
  --ofoorno-cream:     var(--ofoorno-creme);
  --ofoorno-sand:      #EFEAD9;



  /* ---- Branding tenant (écrasés par JS) ---- */
  --tenant-primary: var(--ofoorno-primary);
  --tenant-accent:  var(--ofoorno-accent);
  --tenant-bg:      #FFFFFF;

  /* ---- Couleurs semantiques (light) ---- */
  --c-bg:            #F9F7F2;         /* Creme Lin — fond page */
  --c-bg-elev-1:     #FFFFFF;         /* cards, panels */
  --c-bg-elev-2:     #EFEAD9;         /* hover subtil */
  --c-bg-overlay:    rgba(74, 87, 51, 0.45);

  --c-text:          #2E3A20;         /* kaki tres fonce */
  --c-text-muted:    #6B7561;
  --c-text-faint:    #A0A294;
  --c-text-invert:   #F9F7F2;

  --c-border:        #E5E0D2;
  --c-border-strong: #C5BFA8;
  --c-divider:       #ECE7D6;

  --c-primary:       var(--tenant-primary);
  --c-primary-ink:   #FFFFFF;
  --c-accent:        var(--tenant-accent);
  --c-accent-ink:    #FFFFFF;

  --c-success:       #4A7C3A;
  --c-success-bg:    #E5F0DC;
  --c-warning:       #B36D1F;
  --c-warning-bg:    #FAEBD3;
  --c-danger:        #B94B2E;
  --c-danger-bg:     #FBE7E0;
  --c-info:          #3D6FA8;
  --c-info-bg:       #E0EAF5;


  /* ---- Ombres ---- */
  --shadow-1: 0 1px 2px rgba(15, 20, 25, 0.06), 0 1px 3px rgba(15, 20, 25, 0.08);
  --shadow-2: 0 2px 6px rgba(15, 20, 25, 0.08), 0 4px 12px rgba(15, 20, 25, 0.08);
  --shadow-3: 0 6px 18px rgba(15, 20, 25, 0.12), 0 12px 32px rgba(15, 20, 25, 0.14);
  --shadow-focus: 0 0 0 3px color-mix(in srgb, var(--c-primary) 30%, transparent);

  /* ---- Rayons ---- */
  --r-xs: 3px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-full: 9999px;

  /* ---- Espacements (base 4) ---- */
  --s-0: 0;
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-7: 32px;
  --s-8: 40px;
  --s-9: 48px;
  --s-10: 64px;

  /* ---- Typographie ---- */
  --font-sans: "Inter", "Helvetica Neue", Helvetica, Arial, "Segoe UI", system-ui, sans-serif;
  --font-serif: "Lora", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", "Courier New", Courier, monospace;

  --fs-xs: 12px;
  --fs-sm: 13px;
  --fs-md: 14px;
  --fs-lg: 16px;
  --fs-xl: 18px;
  --fs-2xl: 22px;
  --fs-3xl: 28px;
  --fs-4xl: 36px;

  --lh-tight: 1.2;
  --lh-normal: 1.5;
  --lh-loose: 1.65;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* ---- Transitions ---- */
  --t-fast:   120ms cubic-bezier(.3,.7,.4,1);
  --t-base:   180ms cubic-bezier(.3,.7,.4,1);
  --t-slow:   280ms cubic-bezier(.3,.7,.4,1);

  /* ---- Z-index ---- */
  --z-header: 100;
  --z-drawer: 200;
  --z-modal: 300;
  --z-toast: 400;
  --z-tooltip: 500;

  /* ---- Largeurs de breakpoint (référence JS) ---- */
  --bp-sm: 480px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
}

/* ---- DARK MODE ---- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --c-bg:            #1A1F12;
    --c-bg-elev-1:     #232A1A;
    --c-bg-elev-2:     #2D3623;
    --c-bg-overlay:    rgba(0, 0, 0, 0.65);

    --c-text:          #F0EDE0;
    --c-text-muted:    #BAB89F;
    --c-text-faint:    #7A7A66;
    --c-text-invert:   #1A1F12;

    --c-border:        #3A4530;
    --c-border-strong: #5A6948;
    --c-divider:       #2D3623;

    --c-success-bg: #1F3A20;
    --c-warning-bg: #3D2C0E;
    --c-danger-bg:  #3A1D1A;
    --c-info-bg:    #122A4A;

    --shadow-1: 0 1px 2px rgba(0,0,0,0.45), 0 1px 3px rgba(0,0,0,0.55);
    --shadow-2: 0 2px 6px rgba(0,0,0,0.55), 0 4px 12px rgba(0,0,0,0.6);
    --shadow-3: 0 6px 18px rgba(0,0,0,0.65), 0 12px 32px rgba(0,0,0,0.75);
  }
}

/* Toggle manuel forcé */
:root[data-theme="dark"] {
  --c-bg:            #1A1F12;
  --c-bg-elev-1:     #232A1A;
  --c-bg-elev-2:     #2D3623;
  --c-bg-overlay:    rgba(0, 0, 0, 0.65);
  --c-text:          #F0EDE0;
  --c-text-muted:    #BAB89F;
  --c-text-faint:    #7A7A66;
  --c-text-invert:   #1A1F12;
  --c-border:        #3A4530;
  --c-border-strong: #5A6948;
  --c-divider:       #2D3623;
  --c-success-bg: #1F3A20;
  --c-warning-bg: #3D2C0E;
  --c-danger-bg:  #3A1D1A;
  --c-info-bg:    #122A4A;
  --shadow-1: 0 1px 2px rgba(0,0,0,0.45), 0 1px 3px rgba(0,0,0,0.55);
  --shadow-2: 0 2px 6px rgba(0,0,0,0.55), 0 4px 12px rgba(0,0,0,0.6);
  --shadow-3: 0 6px 18px rgba(0,0,0,0.65), 0 12px 32px rgba(0,0,0,0.75);
}

/* ==========================================================================
   2. RESET
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

button { font-family: inherit; cursor: pointer; }

a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

hr {
  border: none;
  border-top: 1px solid var(--c-divider);
  margin: var(--s-5) 0;
}

/* ==========================================================================
   3. TYPOGRAPHIE
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--s-3);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  color: var(--c-text);
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }
h5 { font-size: var(--fs-md); }

p { margin: 0 0 var(--s-3); }

.muted { color: var(--c-text-muted); }
.faint { color: var(--c-text-faint); }

code, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--c-bg-elev-2);
  padding: 1px 5px;
  border-radius: var(--r-xs);
}

/* ==========================================================================
   4. LAYOUT
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--s-5);
}

.app-layout {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
}

.app-main {
  padding: var(--s-5);
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
}

.stack > * + * { margin-top: var(--s-4); }
.cluster { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center; }
.split { display: flex; justify-content: space-between; align-items: center; gap: var(--s-3); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-5); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-5); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-5); }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ==========================================================================
   5. BOUTONS
   ========================================================================== */

.btn {
  --bg: var(--c-primary);
  --fg: var(--c-primary-ink);
  --bd: var(--c-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 9px 16px;
  min-height: 38px;
  border-radius: var(--r-sm);
  border: 1px solid var(--bd);
  background: var(--bg);
  color: var(--fg);
  font-weight: var(--fw-medium);
  font-size: var(--fs-md);
  line-height: 1;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast),
              color var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
  user-select: none;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { filter: brightness(0.95); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.btn.secondary {
  --bg: transparent;
  --fg: var(--c-primary);
  --bd: var(--c-primary);
}
.btn.secondary:hover:not(:disabled) {
  background: color-mix(in srgb, var(--c-primary) 8%, transparent);
  filter: none;
}

.btn.ghost {
  --bg: transparent;
  --fg: var(--c-text);
  --bd: transparent;
}
.btn.ghost:hover:not(:disabled) { background: var(--c-bg-elev-2); filter: none; }

.btn.danger {
  --bg: var(--c-danger);
  --fg: #FFFFFF;
  --bd: var(--c-danger);
}

.btn.warning { --bg: var(--c-warning); --fg: #FFFFFF; --bd: var(--c-warning); }

.btn.sm { padding: 6px 11px; min-height: 30px; font-size: var(--fs-sm); }
.btn.lg { padding: 12px 22px; min-height: 46px; font-size: var(--fs-lg); }

.btn.block { width: 100%; }

.btn.icon-only {
  width: 38px;
  padding: 0;
  border-radius: var(--r-full);
}

.btn.loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}
.btn.loading::after {
  content: "";
  position: absolute;
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-top-color: transparent;
  color: var(--c-primary-ink);
  animation: spin .7s linear infinite;
  top: 50%; left: 50%;
  margin-top: -8px; margin-left: -8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Groupe de boutons */
.btn-group { display: inline-flex; }
.btn-group .btn { border-radius: 0; }
.btn-group .btn:first-child { border-top-left-radius: var(--r-sm); border-bottom-left-radius: var(--r-sm); }
.btn-group .btn:last-child { border-top-right-radius: var(--r-sm); border-bottom-right-radius: var(--r-sm); }
.btn-group .btn + .btn { border-left-width: 0; }

/* ==========================================================================
   6. FORMULAIRES
   ========================================================================== */

.form-field { display: flex; flex-direction: column; gap: var(--s-1); margin-bottom: var(--s-4); }
.form-label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--c-text);
}
.form-hint { font-size: var(--fs-xs); color: var(--c-text-muted); }
.form-error { font-size: var(--fs-xs); color: var(--c-danger); }

.input, .select, .textarea {
  width: 100%;
  padding: 9px 12px;
  min-height: 38px;
  font: inherit;
  font-size: var(--fs-md);
  color: var(--c-text);
  background: var(--c-bg-elev-1);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.input::placeholder, .textarea::placeholder { color: var(--c-text-faint); }
.input:hover:not(:disabled), .select:hover:not(:disabled), .textarea:hover:not(:disabled) {
  border-color: var(--c-border-strong);
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: var(--shadow-focus);
}
.input:disabled, .select:disabled, .textarea:disabled {
  background: var(--c-bg-elev-2);
  color: var(--c-text-faint);
  cursor: not-allowed;
}

.input.is-invalid, .select.is-invalid, .textarea.is-invalid {
  border-color: var(--c-danger);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-danger) 22%, transparent);
}

.textarea { min-height: 96px; resize: vertical; }

.select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' fill='none' stroke='%236B6B6B' stroke-width='1.4' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 10px 6px;
  padding-right: 30px;
}

/* Checkbox & Radio */
.checkbox, .radio {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  cursor: pointer;
  font-size: var(--fs-md);
  user-select: none;
}
.checkbox input, .radio input {
  width: 16px; height: 16px;
  accent-color: var(--c-primary);
}

/* Fieldset */
fieldset {
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: var(--s-4) var(--s-5);
  margin: 0 0 var(--s-5);
}
legend {
  padding: 0 var(--s-2);
  font-weight: var(--fw-semibold);
  color: var(--c-text);
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   7. CARDS
   ========================================================================== */

.card {
  background: var(--c-bg-elev-1);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: var(--s-5);
  box-shadow: var(--shadow-1);
}
.card.hover { transition: box-shadow var(--t-base), transform var(--t-base); }
.card.hover:hover { box-shadow: var(--shadow-2); transform: translateY(-1px); }
.card.clickable { cursor: pointer; }

.card-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--s-4);
}
.card-header h3 { margin: 0; }
.card-footer {
  margin-top: var(--s-4);
  padding-top: var(--s-3);
  border-top: 1px solid var(--c-divider);
  display: flex; justify-content: flex-end; gap: var(--s-2);
}

/* KPI card */
.kpi-card {
  padding: var(--s-5);
  background: var(--c-bg-elev-1);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
}
.kpi-card .kpi-label {
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  margin-bottom: var(--s-1);
}
.kpi-card .kpi-value {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--c-text);
  line-height: 1.1;
}
.kpi-card .kpi-delta.positive { color: var(--c-success); }
.kpi-card .kpi-delta.negative { color: var(--c-danger); }

/* ==========================================================================
   8. TABLES
   ========================================================================== */

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--c-bg-elev-1);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}
.table thead th {
  background: var(--c-bg-elev-2);
  color: var(--c-text);
  font-weight: var(--fw-semibold);
  text-align: left;
  padding: 10px 14px;
  font-size: var(--fs-sm);
  border-bottom: 1px solid var(--c-border);
  white-space: nowrap;
}
.table tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--c-divider);
  vertical-align: middle;
}
.table tbody tr:hover { background: var(--c-bg-elev-2); }
.table tbody tr:last-child td { border-bottom: none; }

.table td.num, .table th.num { text-align: right; font-variant-numeric: tabular-nums; }

.table.compact thead th, .table.compact tbody td { padding: 6px 10px; font-size: var(--fs-sm); }

/* ==========================================================================
   9. BADGES
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  background: var(--c-bg-elev-2);
  color: var(--c-text-muted);
  border: 1px solid var(--c-border);
  line-height: 1.4;
}
.badge.success { background: var(--c-success-bg); color: var(--c-success); border-color: transparent; }
.badge.warning { background: var(--c-warning-bg); color: var(--c-warning); border-color: transparent; }
.badge.danger  { background: var(--c-danger-bg);  color: var(--c-danger);  border-color: transparent; }
.badge.info    { background: var(--c-info-bg);    color: var(--c-info);    border-color: transparent; }
.badge.brand   { background: color-mix(in srgb, var(--c-primary) 15%, transparent); color: var(--c-primary); border-color: transparent; }

.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; display: inline-block; }

/* ==========================================================================
   10. ALERTES & TOASTS
   ========================================================================== */

.alert {
  display: flex;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-sm);
  border: 1px solid var(--c-border);
  background: var(--c-bg-elev-1);
  font-size: var(--fs-md);
  margin-bottom: var(--s-4);
}
.alert.success { background: var(--c-success-bg); border-color: color-mix(in srgb, var(--c-success) 30%, transparent); color: var(--c-success); }
.alert.warning { background: var(--c-warning-bg); border-color: color-mix(in srgb, var(--c-warning) 30%, transparent); color: var(--c-warning); }
.alert.danger  { background: var(--c-danger-bg);  border-color: color-mix(in srgb, var(--c-danger) 30%, transparent);  color: var(--c-danger); }
.alert.info    { background: var(--c-info-bg);    border-color: color-mix(in srgb, var(--c-info) 30%, transparent);    color: var(--c-info); }

.alert strong { color: inherit; }

/* Toast container */
.toast-root {
  position: fixed;
  right: var(--s-4);
  bottom: var(--s-4);
  display: flex;
  flex-direction: column-reverse;
  gap: var(--s-2);
  z-index: var(--z-toast);
  pointer-events: none;
  max-width: min(90vw, 420px);
}
.toast {
  background: var(--c-bg-elev-1);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-primary);
  border-radius: var(--r-sm);
  padding: var(--s-3) var(--s-4);
  box-shadow: var(--shadow-2);
  font-size: var(--fs-md);
  color: var(--c-text);
  pointer-events: auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--s-2);
  align-items: start;
  animation: toast-in .18s ease-out;
}
.toast.success { border-left-color: var(--c-success); }
.toast.warning { border-left-color: var(--c-warning); }
.toast.danger  { border-left-color: var(--c-danger); }
.toast.info    { border-left-color: var(--c-info); }

.toast .toast-close {
  background: none; border: none;
  cursor: pointer; color: var(--c-text-faint);
  font-size: 18px; line-height: 1;
  padding: 0 4px;
}
.toast .toast-title { font-weight: var(--fw-semibold); }
.toast .toast-body { color: var(--c-text-muted); font-size: var(--fs-sm); margin-top: 2px; }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   11. MODALES & DRAWERS
   ========================================================================== */

.modal-backdrop {
  position: fixed; inset: 0;
  background: var(--c-bg-overlay);
  z-index: var(--z-modal);
  display: flex; align-items: center; justify-content: center;
  padding: var(--s-4);
  animation: fade .18s ease-out;
}
.modal {
  background: var(--c-bg-elev-1);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  box-shadow: var(--shadow-3);
  animation: slide-up .2s ease-out;
}
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--s-4); }
.modal-header h2 { margin: 0; }
.modal-close {
  background: none; border: none;
  font-size: 22px; cursor: pointer;
  color: var(--c-text-muted); padding: 0 4px;
}
.modal-footer {
  margin-top: var(--s-5);
  padding-top: var(--s-4);
  border-top: 1px solid var(--c-divider);
  display: flex; justify-content: flex-end; gap: var(--s-2);
}

.modal.lg { max-width: 820px; }
.modal.sm { max-width: 380px; }

@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes slide-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Drawer (côté droit) */
.drawer-backdrop {
  position: fixed; inset: 0;
  background: var(--c-bg-overlay);
  z-index: var(--z-drawer);
  animation: fade .18s ease-out;
}
.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(420px, 100%);
  background: var(--c-bg-elev-1);
  box-shadow: var(--shadow-3);
  z-index: var(--z-drawer);
  padding: var(--s-5);
  overflow: auto;
  animation: slide-left .2s ease-out;
}
@keyframes slide-left {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

/* ==========================================================================
   12. NAVIGATION
   ========================================================================== */

.tabs {
  display: flex;
  border-bottom: 1px solid var(--c-border);
  gap: var(--s-1);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.tab {
  padding: 10px 16px;
  color: var(--c-text-muted);
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  font: inherit;
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: color var(--t-fast), border-color var(--t-fast);
  white-space: nowrap;
}
.tab:hover { color: var(--c-text); }
.tab.active { color: var(--c-primary); border-bottom-color: var(--c-primary); }
.tab:focus-visible { outline: none; box-shadow: var(--shadow-focus); border-radius: var(--r-sm); }

/* Pills */
.pills { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.pill {
  padding: 6px 12px;
  border-radius: var(--r-full);
  background: var(--c-bg-elev-2);
  color: var(--c-text-muted);
  border: 1px solid var(--c-border);
  cursor: pointer;
  font-size: var(--fs-sm);
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.pill:hover { background: var(--c-bg-elev-1); color: var(--c-text); }
.pill.active { background: var(--c-primary); color: var(--c-primary-ink); border-color: var(--c-primary); }

/* Breadcrumbs */
.breadcrumbs {
  display: flex; flex-wrap: wrap; gap: var(--s-1);
  font-size: var(--fs-sm); color: var(--c-text-muted);
  margin-bottom: var(--s-4);
}
.breadcrumbs a { color: var(--c-text-muted); }
.breadcrumbs a:hover { color: var(--c-primary); }
.breadcrumbs .sep { color: var(--c-text-faint); padding: 0 4px; }
.breadcrumbs .current { color: var(--c-text); font-weight: var(--fw-medium); }

/* ==========================================================================
   13. FOCUS & A11Y
   ========================================================================== */

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--r-xs);
}

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--c-primary);
  color: var(--c-primary-ink);
  padding: var(--s-3) var(--s-4);
  z-index: calc(var(--z-tooltip) + 1);
  border-radius: 0 0 var(--r-sm) 0;
  font-weight: var(--fw-semibold);
}
.skip-link:focus { left: 0; }

/* Respect des préférences réduites */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   14. UTILITAIRES
   ========================================================================== */

.hidden { display: none !important; }
.invisible { visibility: hidden; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-sm { font-size: var(--fs-sm); }
.text-xs { font-size: var(--fs-xs); }
.font-bold { font-weight: var(--fw-bold); }
.font-medium { font-weight: var(--fw-medium); }

.w-100 { width: 100%; }
.mt-1 { margin-top: var(--s-1); } .mt-2 { margin-top: var(--s-2); }
.mt-3 { margin-top: var(--s-3); } .mt-4 { margin-top: var(--s-4); }
.mt-5 { margin-top: var(--s-5); } .mt-6 { margin-top: var(--s-6); }
.mb-1 { margin-bottom: var(--s-1); } .mb-2 { margin-bottom: var(--s-2); }
.mb-3 { margin-bottom: var(--s-3); } .mb-4 { margin-bottom: var(--s-4); }
.mb-5 { margin-bottom: var(--s-5); } .mb-6 { margin-bottom: var(--s-6); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--s-1); } .gap-2 { gap: var(--s-2); }
.gap-3 { gap: var(--s-3); } .gap-4 { gap: var(--s-4); }

/* --- Fin design-system.css --- */