/* ============================================================
   QUICKSWING INTRANET v2 — DESIGN SYSTEM
   ============================================================ */

/* === GOOGLE FONTS === */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* === VARIABLES CSS === */
:root {

  /* --- Couleurs primaires (bleu Quickswing) --- */
  --color-primary:        #1B4FD8;
  --color-primary-dark:   #1339A8;
  --color-primary-light:  #3B6EEA;
  --color-primary-50:     #EEF2FF;
  --color-primary-100:    #D5DFFC;

  /* --- Secondaire / Slate --- */
  --color-secondary:      #0F172A;
  --color-secondary-dark: #070E1D;
  --color-secondary-700:  #1E293B;
  --color-secondary-600:  #334155;
  --color-secondary-500:  #475569;
  --color-secondary-400:  #64748B;
  --color-secondary-300:  #94A3B8;
  --color-secondary-200:  #CBD5E1;
  --color-secondary-100:  #E2E8F0;
  --color-secondary-50:   #F8FAFC;

  /* --- Accent (ambre) --- */
  --color-accent:         #F59E0B;
  --color-accent-dark:    #D97706;
  --color-accent-light:   #FCD34D;

  /* --- État : succès --- */
  --color-success:        #10B981;
  --color-success-bg:     #ECFDF5;
  --color-success-border: #A7F3D0;
  --color-success-text:   #065F46;

  /* --- État : avertissement --- */
  --color-warning:        #F59E0B;
  --color-warning-bg:     #FFFBEB;
  --color-warning-border: #FDE68A;
  --color-warning-text:   #92400E;

  /* --- État : danger --- */
  --color-danger:         #EF4444;
  --color-danger-dark:    #DC2626;
  --color-danger-bg:      #FEF2F2;
  --color-danger-border:  #FECACA;
  --color-danger-text:    #991B1B;

  /* --- État : info --- */
  --color-info:           #3B82F6;
  --color-info-bg:        #EFF6FF;
  --color-info-border:    #BFDBFE;
  --color-info-text:      #1E40AF;

  /* --- Surfaces --- */
  --color-white:          #FFFFFF;
  --color-bg:             #F1F5F9;
  --color-surface:        #FFFFFF;
  --color-border:         #E2E8F0;
  --color-border-light:   #F1F5F9;

  /* --- Typographie --- */
  --font-heading: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-body:    'DM Sans', system-ui, -apple-system, sans-serif;

  --font-size-xs:   0.75rem;
  --font-size-sm:   0.875rem;
  --font-size-base: 1rem;
  --font-size-lg:   1.125rem;
  --font-size-xl:   1.25rem;
  --font-size-2xl:  1.5rem;
  --font-size-3xl:  1.875rem;

  /* --- Espacements --- */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* --- Border radius --- */
  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.5rem;
  --radius-full: 9999px;

  /* --- Ombres --- */
  --shadow-sm:      0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md:      0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.06);
  --shadow-lg:      0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-xl:      0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.05);
  --shadow-sidebar: 4px 0 24px rgb(0 0 0 / 0.15);

  /* --- Transitions --- */
  --transition-fast:   150ms ease;
  --transition-base:   200ms ease;
  --transition-slow:   300ms ease;
  --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

body {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-secondary);
}

a { color: inherit; }

/* === SIDEBAR === */
/* Pré-chargement état réduit sans flash (classe sur <html> via script inline <head>) */
html.qs-pre-collapsed #qs-sidebar {
  width: 60px;
  transition: none !important;
}
html.qs-pre-collapsed #qs-sidebar .qs-nav-label,
html.qs-pre-collapsed #qs-sidebar .qs-sidebar-text { display: none; }
html.qs-pre-collapsed #qs-sidebar .qs-nav-item,
html.qs-pre-collapsed #qs-sidebar .qs-nav-btn { justify-content: center; gap: 0; box-shadow: none; }
html.qs-pre-collapsed #qs-sidebar .qs-nav-item.active,
html.qs-pre-collapsed #qs-sidebar .qs-nav-btn.active { box-shadow: none; background: rgba(59,110,234,0.25); }
html.qs-pre-collapsed #qs-sidebar #admin-submenu { display: none !important; }
html.qs-pre-collapsed #qs-sidebar .qs-sidebar-toggle { display: none; }
html.qs-pre-collapsed #qs-main { margin-left: 60px; transition: none !important; }

.qs-sidebar {
  background: var(--color-secondary);
  color: var(--color-white);
  box-shadow: var(--shadow-sidebar);
  width: 16rem;
  transition: width var(--transition-slow);
  overflow: hidden;
}

.qs-sidebar.is-collapsed {
  width: 60px;
}

/* Lien de navigation */
.qs-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--color-secondary-300);
  text-decoration: none;
  transition: background var(--transition-base), color var(--transition-base), box-shadow var(--transition-base);
}

.qs-nav-item:hover {
  background: var(--color-secondary-700);
  color: var(--color-white);
}

.qs-nav-item.active {
  background: rgba(59, 110, 234, 0.18);
  color: var(--color-white);
  font-weight: 500;
  box-shadow: inset 3px 0 0 var(--color-primary-light);
}

/* Bouton Administration (toggle) */
.qs-nav-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--color-secondary-300);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base), box-shadow var(--transition-base);
}

.qs-nav-btn:hover {
  background: var(--color-secondary-700);
  color: var(--color-white);
}

.qs-nav-btn.active {
  background: rgba(59, 110, 234, 0.18);
  color: var(--color-white);
  font-weight: 500;
  box-shadow: inset 3px 0 0 var(--color-primary-light);
}

/* Sidebar — mode réduit : masquer les labels */
.qs-sidebar.is-collapsed .qs-nav-label,
.qs-sidebar.is-collapsed .qs-sidebar-text {
  display: none;
}

/* Sidebar — mode réduit : centrer les icônes */
.qs-sidebar.is-collapsed .qs-nav-item,
.qs-sidebar.is-collapsed .qs-nav-btn {
  justify-content: center;
  gap: 0;
  box-shadow: none;
}

/* Sidebar — mode réduit : supprimer le box-shadow d'active (centré) */
.qs-sidebar.is-collapsed .qs-nav-item.active,
.qs-sidebar.is-collapsed .qs-nav-btn.active {
  box-shadow: none;
  background: rgba(59, 110, 234, 0.25);
}

/* Sidebar — mode réduit : masquer le sous-menu admin */
.qs-sidebar.is-collapsed #admin-submenu {
  display: none !important;
}

/* Bouton toggle collapse */
.qs-sidebar-toggle {
  flex-shrink: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--color-secondary-400);
  border-radius: var(--radius-sm);
  align-items: center;
  transition: background var(--transition-base), color var(--transition-base);
}
.qs-sidebar-toggle:hover {
  background: var(--color-secondary-700);
  color: var(--color-white);
}
.qs-toggle-icon {
  display: block;
  transition: transform var(--transition-slow);
}
.qs-sidebar.is-collapsed .qs-toggle-icon {
  transform: rotate(180deg);
}
.qs-sidebar.is-collapsed .qs-sidebar-toggle {
  display: none;
}
.qs-sidebar.is-expanding .qs-sidebar-text,
.qs-sidebar.is-expanding .qs-nav-label,
.qs-sidebar.is-expanding .qs-sidebar-toggle {
  visibility: hidden;
}
.qs-sidebar.is-collapsed #qs-sidebar-logo {
  cursor: pointer;
}
.qs-sidebar.is-collapsed #qs-sidebar-logo:hover {
  opacity: 0.8;
}

/* Tooltip (positionné via JS) */
.qs-sidebar-tooltip {
  position: fixed;
  display: none;
  background: var(--color-secondary-700);
  color: white;
  padding: 4px 10px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  pointer-events: none;
  z-index: 9999;
  transform: translateY(-50%);
  box-shadow: var(--shadow-md);
}

/* Flèche du sous-menu Administration */
.qs-nav-arrow {
  transition: transform var(--transition-base);
  flex-shrink: 0;
}
.qs-nav-arrow.is-open {
  transform: rotate(90deg);
}

/* Sous-menu Administration — animation slideDown */
.qs-submenu {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.25s ease, opacity 0.2s ease;
}
.qs-submenu.is-open {
  max-height: 300px;
  opacity: 1;
}

/* Avatar utilisateur (sidebar footer) */
.qs-user-avatar {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 700;
  font-family: var(--font-body);
  letter-spacing: 0.02em;
}

/* Avatar & user info — topbar */
.qs-topbar-avatar {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-body);
  letter-spacing: 0.02em;
  box-shadow: 0 2px 8px rgb(27 79 216 / 0.3);
}
.qs-topbar-username {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-600);
  font-weight: 500;
}
.qs-topbar-logout {
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  color: var(--color-secondary-400);
  padding: 0;
  transition: color var(--transition-base);
}
.qs-topbar-logout:hover {
  color: var(--color-danger);
}

/* Contenu principal — transition pour le mode réduit */
#qs-main {
  transition: margin-left var(--transition-slow);
}
#qs-main.sidebar-collapsed {
  margin-left: 60px;
}

/* Sous-lien Administration */
.qs-nav-subitem {
  display: flex;
  align-items: center;
  padding: var(--space-1) var(--space-3) var(--space-1) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-xs);
  color: var(--color-secondary-400);
  text-decoration: none;
  transition: background var(--transition-base), color var(--transition-base);
}

.qs-nav-subitem:hover {
  background: var(--color-secondary-700);
  color: var(--color-white);
}

.qs-nav-subitem.active {
  background: var(--color-primary-light);
  color: var(--color-white);
  font-weight: 500;
}

/* === TOPBAR === */
.qs-topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.qs-page-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 400;
  color: var(--color-secondary);
}

/* === CARD === */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
}

.card-body {
  padding: var(--space-6);
}

/* === BOUTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-base), color var(--transition-base),
              box-shadow var(--transition-base), transform var(--transition-fast);
  white-space: nowrap;
  line-height: 1.25;
  position: relative;
  overflow: hidden;
}

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

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 14px rgb(27 79 216 / 0.35);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-secondary-600);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-secondary-50);
  border-color: var(--color-secondary-200);
}

.btn-danger {
  background: var(--color-danger);
  color: var(--color-white);
  border-color: var(--color-danger);
}
.btn-danger:hover {
  background: var(--color-danger-dark);
  border-color: var(--color-danger-dark);
  box-shadow: 0 4px 14px rgb(239 68 68 / 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: transparent;
  font-weight: 500;
}
.btn-ghost:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-100);
  color: var(--color-primary-dark);
}
.btn-ghost .btn-arrow {
  display: inline-block;
  transition: transform 0.18s ease;
}
.btn-ghost:hover .btn-arrow {
  transform: translateX(3px);
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  border-radius: var(--radius-lg);
}

/* === BADGES === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  line-height: 1.25;
}

.badge-primary { background: var(--color-primary-100);   color: var(--color-primary-dark); }
.badge-success { background: var(--color-success-bg);    color: var(--color-success-text); }
.badge-warning { background: var(--color-warning-bg);    color: var(--color-warning-text); }
.badge-danger  { background: var(--color-danger-bg);     color: var(--color-danger-text);  }
.badge-info    { background: var(--color-info-bg);       color: var(--color-info-text);    }
.badge-neutral { background: var(--color-secondary-100); color: var(--color-secondary-600);}

/* Badge alerte sidebar (avec pulsation) */
.badge-alert {
  background: var(--color-danger);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: 700;
  min-width: 1.25rem;
  text-align: center;
  padding: 0.125rem var(--space-1);
  border-radius: var(--radius-full);
  line-height: 1.25;
  animation: pulse-dot 2s ease-in-out infinite;
}

/* === FLASH MESSAGES === */
.flash-success {
  background: var(--color-success-bg);
  border: 1px solid var(--color-success-border);
  color: var(--color-success-text);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
}

.flash-error {
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger-border);
  color: var(--color-danger-text);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
}

/* === TABLEAUX === */
.table-qs {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}
.table-qs thead th {
  background: var(--color-secondary-50);
  color: var(--color-secondary-500);
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.05em;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}
.table-qs tbody td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-secondary-700);
}
.table-qs tbody tr:hover { background: var(--color-secondary-50); }

/* === FORMULAIRES === */
.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-secondary-600);
  margin-bottom: var(--space-1);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  background: var(--color-surface);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  outline: none;
}
/* === PAGE CONNEXION (Phase 3 — Étape 32) === */

.auth-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

/* ── Colonne gauche : Branding ── */
.auth-brand {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg,
    var(--color-secondary)       0%,
    #162142                      40%,
    var(--color-primary-dark)    80%,
    var(--color-primary)        100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
}

.auth-brand-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  max-width: 340px;
}

/* Éléments décoratifs géométriques */
.auth-deco {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.auth-deco-1 {
  width: 420px; height: 420px;
  top: -170px; left: -170px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}
.auth-deco-2 {
  width: 300px; height: 300px;
  bottom: -110px; right: -110px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}
.auth-deco-3 {
  width: 180px; height: 180px;
  top: 55%; left: 58%;
  background: rgba(59,110,234,0.12);
}
.auth-deco-4 {
  width: 64px; height: 64px;
  top: 18%; right: 14%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  transform: rotate(22deg);
}

.auth-logo-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.auth-brand-name {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 400;
  color: white;
  letter-spacing: -0.5px;
  margin: 0 0 var(--space-2);
  line-height: 1.1;
}

.auth-brand-tagline {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.45);
  margin: 0 0 var(--space-10);
  letter-spacing: 0.03em;
}

.auth-divider {
  width: 36px;
  height: 2px;
  background: rgba(255,255,255,0.18);
  margin: 0 auto var(--space-8);
  border-radius: 1px;
}

.auth-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: left;
}

.auth-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255,255,255,0.6);
  font-size: var(--font-size-sm);
}

.auth-feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.1);
  color: white;
}

/* ── Colonne droite : Formulaire ── */
.auth-form-panel {
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-6);
  background-image:
    radial-gradient(circle at 50% -10%, rgba(27,79,216,0.05) 0%, transparent 55%),
    radial-gradient(circle at 1px 1px, var(--color-secondary-200) 1px, transparent 0);
  background-size: 100% 100%, 28px 28px;
}

.auth-form-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: 0 25px 60px -15px rgb(0 0 0 / 0.14), 0 0 0 1px rgb(0 0 0 / 0.04);
  padding: var(--space-10) var(--space-8);
}

.auth-card-header {
  margin-bottom: var(--space-8);
}

.auth-card-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  font-weight: 400;
  color: var(--color-secondary);
  margin: 0 0 var(--space-1);
  line-height: 1.2;
}

.auth-card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-400);
  margin: 0;
}

.auth-flash {
  margin-bottom: var(--space-6);
}

/* ── Floating labels ── */
.floating-field {
  position: relative;
  margin-bottom: var(--space-5);
}

.floating-input {
  width: 100%;
  padding: 1.375rem var(--space-4) 0.5rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  background: var(--color-surface);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  outline: none;
  line-height: 1.5;
  -webkit-appearance: none;
}

.floating-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(27 79 216 / 0.1);
}

.floating-label {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-sm);
  color: var(--color-secondary-400);
  pointer-events: none;
  transition:
    top var(--transition-base),
    transform var(--transition-base),
    font-size var(--transition-base),
    color var(--transition-base);
  white-space: nowrap;
}

.floating-input:focus + .floating-label,
.floating-input:not(:placeholder-shown) + .floating-label,
.floating-input:-webkit-autofill + .floating-label {
  top: 0.625rem;
  transform: translateY(0);
  font-size: 0.7rem;
  color: var(--color-primary);
  font-weight: 500;
}

/* ── Bouton de connexion ── */
.btn-auth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  margin-top: var(--space-2);
  padding: var(--space-4) var(--space-6);
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition:
    background    var(--transition-base),
    box-shadow    var(--transition-base),
    transform     var(--transition-fast);
}

.btn-auth:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 8px 28px rgb(27 79 216 / 0.36);
  transform: translateY(-1px);
}

.btn-auth:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-auth.is-loading {
  pointer-events: none;
  opacity: 0.8;
}

.btn-auth-spinner {
  display: none;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: auth-spin 0.65s linear infinite;
  flex-shrink: 0;
}

.btn-auth.is-loading .btn-auth-spinner { display: block; }
.btn-auth.is-loading .btn-auth-text    { display: none; }

@keyframes auth-spin {
  to { transform: rotate(360deg); }
}

/* ── Responsive mobile ── */
@media (max-width: 768px) {
  .auth-layout {
    grid-template-columns: 1fr;
  }
  .auth-brand {
    display: none;
  }
  .auth-form-panel {
    min-height: 100vh;
    padding: var(--space-6) var(--space-4);
    background-image: radial-gradient(circle at 50% -10%, rgba(27,79,216,0.05) 0%, transparent 55%);
    background-size: 100% 100%;
  }
  .auth-form-card {
    padding: var(--space-8) var(--space-6);
  }
}

/* === ANIMATIONS @keyframes === */

/* Entrée en fondu montant */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Entrée depuis la gauche */
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Pulsation badge alerte */
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgb(239 68 68 / 0.55); }
  50%       { box-shadow: 0 0 0 5px rgb(239 68 68 / 0); }
}

/* Classes utilitaires d'animation */
.animate-fadeInUp    { animation: fadeInUp    0.4s ease both; }
.animate-slideInLeft { animation: slideInLeft 0.35s ease both; }

/* === DASHBOARD (Étape 34) === */

/* ── KPI Grid ── */
.db-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
@media (max-width: 1100px) { .db-kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px)  { .db-kpi-grid { grid-template-columns: 1fr; } }

.db-kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.db-kpi-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
a.db-kpi-card {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.db-kpi-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.db-kpi-icon--primary { background: var(--color-primary-50);    color: var(--color-primary);  }
.db-kpi-icon--success { background: var(--color-success-bg);    color: var(--color-success);  }
.db-kpi-icon--warning { background: var(--color-warning-bg);    color: var(--color-warning);  }
.db-kpi-icon--danger  { background: var(--color-danger-bg);     color: var(--color-danger);   }
.db-kpi-icon--info    { background: var(--color-info-bg);       color: var(--color-info);     }
.db-kpi-icon--neutral { background: var(--color-secondary-100); color: var(--color-secondary-400); }

.db-kpi-body { min-width: 0; }

.db-kpi-value {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: 400;
  color: var(--color-secondary);
  line-height: 1.15;
  white-space: nowrap;
}
.db-kpi-value--warning  { color: var(--color-warning-text); }
.db-kpi-value--danger   { color: var(--color-danger-text);  }
.db-kpi-value--success  { color: var(--color-success-text); }
.db-kpi-value--currency { font-size: var(--font-size-xl); }

.db-kpi-label {
  font-size: var(--font-size-xs);
  color: var(--color-secondary-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Lower Grid ── */
.db-lower-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}
@media (max-width: 900px) { .db-lower-grid { grid-template-columns: 1fr; } }

/* ── Card header & content helpers ── */
.db-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
}
.db-card-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 400;
  color: var(--color-secondary);
  margin: 0;
}
.db-card-content {
  padding: var(--space-3) var(--space-2);
}

/* ── Empty state ── */
.db-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-4);
  text-align: center;
}
.db-empty-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-secondary-100);
  color: var(--color-secondary-400);
  display: flex;
  align-items: center;
  justify-content: center;
}
.db-empty-icon--success {
  background: var(--color-success-bg);
  color: var(--color-success);
}
.db-empty-text {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-400);
  margin: 0;
}

/* ── Alert rows ── */
.db-alert-group {
  padding: var(--space-3) var(--space-3) var(--space-1);
}
.db-alert-group + .db-alert-group {
  border-top: 1px solid var(--color-border-light);
  margin-top: var(--space-2);
  padding-top: var(--space-3);
}
.db-alert-group-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.db-alert-count {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-secondary-400);
}

.db-alert-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: background var(--transition-base);
  margin-bottom: 2px;
}
.db-alert-row:hover                { background: var(--color-secondary-50); }
.db-alert-row--danger:hover        { background: var(--color-danger-bg); }
.db-alert-row--warning:hover       { background: var(--color-warning-bg); }

.db-alert-dot {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  border-radius: var(--radius-full);
}
.db-alert-dot--danger  { background: var(--color-danger); }
.db-alert-dot--warning { background: var(--color-warning); }

.db-alert-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.db-alert-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-secondary-700);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.db-alert-sub {
  font-size: var(--font-size-xs);
  color: var(--color-secondary-400);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.db-alert-date {
  font-size: var(--font-size-xs);
  color: var(--color-secondary-400);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Activity rows ── */
.db-activity-group {
  padding: var(--space-3) var(--space-3) var(--space-1);
}
.db-activity-group + .db-activity-group {
  border-top: 1px solid var(--color-border-light);
  margin-top: var(--space-2);
  padding-top: var(--space-3);
}
.db-activity-group-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-secondary-400);
  margin-bottom: var(--space-2);
  padding-left: var(--space-1);
}

.db-activity-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: background var(--transition-base);
  margin-bottom: 2px;
}
.db-activity-row:hover { background: var(--color-secondary-50); }

.db-activity-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.db-activity-icon--facture { background: var(--color-primary-50); color: var(--color-primary); }
.db-activity-icon--travaux { background: var(--color-warning-bg); color: var(--color-warning); }

.db-activity-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.db-activity-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-secondary-700);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.db-activity-sub {
  font-size: var(--font-size-xs);
  color: var(--color-secondary-400);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.db-activity-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex-shrink: 0;
}
.db-activity-amount {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-secondary-500);
  white-space: nowrap;
}

/* === TABLE INTERACTIVE (Étape 35) === */

.qs-ti-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-wrap: wrap;
}

.qs-ti-search-wrap {
  position: relative;
  flex: 1;
  min-width: 160px;
  max-width: 280px;
}

.qs-ti-search-icon {
  position: absolute;
  left: 9px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-secondary-400);
  pointer-events: none;
}

.qs-ti-search {
  width: 100%;
  padding: var(--space-2) var(--space-3) var(--space-2) 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  background: var(--color-secondary-50);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  outline: none;
}
.qs-ti-search:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgb(27 79 216 / 0.1);
}
.qs-ti-search::-webkit-search-cancel-button { -webkit-appearance: none; }

.qs-ti-counter {
  font-size: var(--font-size-xs);
  color: var(--color-secondary-400);
  font-weight: 500;
  white-space: nowrap;
  margin-left: auto;
}

/* Sortable headers */
.qs-ti-th-sort {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.qs-ti-th-sort:hover {
  background: var(--color-secondary-100) !important;
  color: var(--color-secondary-700) !important;
}

/* Dual-arrow sort indicator */
.qs-sort-arrow {
  display: inline-block;
  vertical-align: middle;
  margin-left: 5px;
  opacity: 0.22;
  transition: opacity var(--transition-base);
}
.qs-ti-th-sort:hover .qs-sort-arrow { opacity: 0.5; }

.qs-sort-arrow .arrow-up,
.qs-sort-arrow .arrow-down {
  fill: currentColor;
  transition: opacity var(--transition-base);
}

/* ASC */
.qs-ti-th-sort[data-sort="asc"] .qs-sort-arrow        { opacity: 1; }
.qs-ti-th-sort[data-sort="asc"] .arrow-up             { opacity: 1; }
.qs-ti-th-sort[data-sort="asc"] .arrow-down           { opacity: 0.2; }
/* DESC */
.qs-ti-th-sort[data-sort="desc"] .qs-sort-arrow       { opacity: 1; }
.qs-ti-th-sort[data-sort="desc"] .arrow-up            { opacity: 0.2; }
.qs-ti-th-sort[data-sort="desc"] .arrow-down          { opacity: 1; }

/* Row opacity transitions */
table[data-table-interactive] tbody tr {
  transition: opacity var(--transition-base);
}

/* Empty state */
.qs-ti-empty-row td {
  padding: var(--space-10) var(--space-4) !important;
}
.qs-ti-empty-cell {
  text-align: center;
  color: var(--color-secondary-400);
  font-size: var(--font-size-sm);
  font-style: italic;
}

/* === FORMULAIRES AMÉLIORÉS (Étape 36) === */

/* ── Focus states enrichis (override Tailwind) ── */
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 3px rgb(27 79 216 / 0.12) !important;
  outline: none !important;
}

/* ── États de validation ── */
input.is-invalid,
textarea.is-invalid,
select.is-invalid,
.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--color-danger) !important;
  box-shadow: 0 0 0 3px rgb(239 68 68 / 0.1) !important;
}

input.is-valid,
textarea.is-valid,
select.is-valid,
.form-input.is-valid,
.form-select.is-valid,
.form-textarea.is-valid {
  border-color: var(--color-success) !important;
  box-shadow: 0 0 0 3px rgb(16 185 129 / 0.1) !important;
}

/* ── Message d'erreur inline ── */
.qs-form-error {
  display: none;
  color: var(--color-danger-text);
  font-size: var(--font-size-xs);
  margin-top: var(--space-1);
  padding-left: 2px;
}
.qs-form-error.is-visible {
  display: block;
  animation: qs-slideDown 0.2s ease both;
}

@keyframes qs-slideDown {
  from { opacity: 0; transform: translateY(-5px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Floating labels (wrapper opt-in : .form-field-float) ── */
.form-field-float {
  position: relative;
  margin-top: var(--space-4);
}

.form-field-float input,
.form-field-float textarea,
.form-field-float select {
  padding-top: 1.4rem;
  padding-bottom: 0.4rem;
}

.form-field-float label {
  position: absolute;
  left: 0.75rem;
  top: 0.65rem;
  font-size: var(--font-size-sm);
  color: var(--color-secondary-400);
  pointer-events: none;
  transform-origin: left top;
  transition:
    font-size var(--transition-base),
    color    var(--transition-base),
    top      var(--transition-base);
  white-space: nowrap;
}

.form-field-float.is-focused label,
.form-field-float.has-value  label {
  top: 0.25rem;
  font-size: 0.68rem;
  color: var(--color-primary);
  font-weight: 500;
}

/* ── Indicateur de force du mot de passe ── */
.qs-pw-strength {
  margin-top: var(--space-2);
}
.qs-pw-strength-bar {
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-secondary-100);
  overflow: hidden;
}
.qs-pw-strength-fill {
  height: 100%;
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 0.35s ease, background-color 0.35s ease;
}
.qs-pw-strength-fill.pw-weak   { width: 33%; background: var(--color-danger); }
.qs-pw-strength-fill.pw-medium { width: 66%; background: var(--color-accent); }
.qs-pw-strength-fill.pw-strong { width: 100%; background: var(--color-success); }

.qs-pw-strength-lbl {
  font-size: var(--font-size-xs);
  margin-top: 3px;
  transition: color var(--transition-base);
}
.qs-pw-strength-lbl.pw-weak   { color: var(--color-danger); }
.qs-pw-strength-lbl.pw-medium { color: var(--color-accent-dark); }
.qs-pw-strength-lbl.pw-strong { color: var(--color-success-text); }

/* ── Compteur de caractères ── */
.qs-char-count {
  font-size: var(--font-size-xs);
  color: var(--color-secondary-400);
  text-align: right;
  margin-top: var(--space-1);
  transition: color var(--transition-base);
}
.qs-char-count.near-limit { color: var(--color-accent-dark); }
.qs-char-count.at-limit   { color: var(--color-danger); font-weight: 600; }

/* ── Bouton submit — état chargement ── */
.btn[data-loading],
button[type="submit"][data-loading] {
  pointer-events: none;
  opacity: 0.75;
}

.qs-submit-spinner {
  display: inline-block;
  width: 0.85rem;
  height: 0.85rem;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: white;
  border-radius: 50%;
  animation: auth-spin 0.6s linear infinite;
  flex-shrink: 0;
  vertical-align: middle;
  margin-right: var(--space-1);
}

/* spinner dark pour boutons blancs/secondaires */
.btn-secondary .qs-submit-spinner {
  border-color: rgba(0,0,0,0.15);
  border-top-color: var(--color-secondary-600);
}

/* === MICRO-INTERACTIONS (Étape 37) === */

/* ── Badge transitions fluides ── */
.badge {
  transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

/* ── Ripple effect ── */
.qs-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: qs-ripple-anim 0.55s ease-out forwards;
  pointer-events: none;
}
.btn-secondary .qs-ripple {
  background: rgba(0, 0, 0, 0.08);
}
@keyframes qs-ripple-anim {
  to { transform: scale(2.5); opacity: 0; }
}

/* ── Toast container ── */
#qs-toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 9000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
  max-width: 380px;
  width: calc(100% - 2rem);
}

.qs-toast {
  pointer-events: all;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  font-size: var(--font-size-sm);
  font-weight: 500;
  animation: qs-toast-in var(--transition-slow) ease both;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  line-height: 1.4;
}

.qs-toast--success {
  background: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: var(--color-success-text);
}
.qs-toast--error {
  background: var(--color-danger-bg);
  border-color: var(--color-danger-border);
  color: var(--color-danger-text);
}
.qs-toast--warning {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: var(--color-warning-text);
}
.qs-toast--info {
  background: var(--color-info-bg);
  border-color: var(--color-info-border);
  color: var(--color-info-text);
}

/* barre de progression en bas */
.qs-toast::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 100%;
  animation: qs-toast-progress 4s linear both;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.qs-toast--success::after { background: var(--color-success); }
.qs-toast--error::after   { background: var(--color-danger);  }
.qs-toast--warning::after { background: var(--color-warning); }
.qs-toast--info::after    { background: var(--color-info);    }

.qs-toast-icon {
  flex-shrink: 0;
  margin-top: 1px;
  line-height: 0;
}
.qs-toast-msg { flex: 1; }

.qs-toast-close {
  flex-shrink: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 2px;
  color: inherit;
  opacity: 0.5;
  line-height: 0;
  border-radius: var(--radius-sm);
  transition: opacity var(--transition-fast);
  margin-top: 1px;
}
.qs-toast-close:hover { opacity: 1; }

.qs-toast.is-leaving {
  animation: qs-toast-out var(--transition-slow) ease forwards;
}

@keyframes qs-toast-in {
  from { opacity: 0; transform: translateX(110%); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes qs-toast-out {
  from { opacity: 1; transform: translateX(0); max-height: 120px; }
  to   { opacity: 0; transform: translateX(110%); max-height: 0; padding-top: 0; padding-bottom: 0; margin-bottom: -0.5rem; }
}
@keyframes qs-toast-progress {
  from { width: 100%; }
  to   { width: 0%; }
}

/* ── Modale de confirmation suppression ── */
.qs-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9100;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}
.qs-modal-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.qs-modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), 0 0 0 1px rgb(0 0 0 / 0.04);
  padding: var(--space-6) var(--space-6) var(--space-6);
  max-width: 420px;
  width: 100%;
  transform: scale(0.9);
  transition: transform var(--transition-spring);
  text-align: center;
}
.qs-modal-overlay.is-open .qs-modal {
  transform: scale(1);
}

.qs-modal-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-danger-bg);
  color: var(--color-danger);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}
.qs-modal-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 400;
  color: var(--color-secondary);
  margin: 0 0 var(--space-2);
}
.qs-modal-body {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-500);
  margin: 0 0 var(--space-6);
  line-height: 1.5;
}
.qs-modal-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}
.qs-modal-actions .btn { flex: 1; justify-content: center; }

/* ── Copy-to-clipboard ── */
.qs-copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  color: var(--color-secondary-400);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  line-height: 0;
  padding: 0;
}
.qs-copy-btn:hover {
  background: var(--color-secondary-50);
  color: var(--color-secondary-600);
  border-color: var(--color-secondary-200);
}
.qs-copy-btn.is-copied {
  background: var(--color-success-bg);
  color: var(--color-success-text);
  border-color: var(--color-success-border);
}

/* ── Scroll-to-top ── */
.qs-scroll-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 800;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-secondary-700);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--transition-slow), transform var(--transition-slow), background var(--transition-base);
}
.qs-scroll-top:hover { background: var(--color-primary); }
.qs-scroll-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

/* === RESPONSIVE & MOBILE (Étape 38) === */

/* ── Hamburger button (display géré par Tailwind flex md:hidden) ── */
.qs-hamburger {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-secondary-500);
  transition: background var(--transition-base), color var(--transition-base);
}
.qs-hamburger:hover {
  background: var(--color-secondary-50);
  color: var(--color-secondary);
}

/* ── Bouton fermeture sidebar mobile (display géré par Tailwind flex md:hidden) ── */
.qs-sidebar-close {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-secondary-400);
  border-radius: var(--radius-sm);
  transition: background var(--transition-base), color var(--transition-base);
}
.qs-sidebar-close:hover {
  background: var(--color-secondary-700);
  color: white;
}

/* ── Backdrop sidebar (mobile) ── */
.qs-sidebar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 29;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(2px);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}
.qs-sidebar-backdrop.is-visible {
  visibility: visible;
  opacity: 1;
  pointer-events: all;
}

/* ── Wrapper scroll horizontal pour les tableaux ── */
.qs-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ── Indicateur de glissement (caché par défaut, visible sur mobile via media query) ── */
.qs-scroll-hint {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-secondary-400);
  background: var(--color-secondary-50);
  border-bottom: 1px solid var(--color-border-light);
  font-style: italic;
  user-select: none;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}
.qs-scroll-hint.is-fading { opacity: 0; }

/* ── Breakpoint < md (767px) — équivalent Tailwind sm ── */
@media (max-width: 767px) {

  /* Sidebar : hors écran par défaut, overlay animé à l'ouverture */
  .qs-sidebar {
    transform: translateX(-100%);
    width: 16rem !important;
    transition: transform var(--transition-slow);
    z-index: 40;
  }
  .qs-sidebar.is-mobile-open {
    transform: translateX(0);
  }

  /* Annule le mode réduit (is-collapsed) sur mobile */
  .qs-sidebar.is-collapsed                             { width: 16rem !important; }
  .qs-sidebar.is-collapsed .qs-nav-label,
  .qs-sidebar.is-collapsed .qs-sidebar-text            { display: unset !important; }
  .qs-sidebar.is-collapsed .qs-nav-item,
  .qs-sidebar.is-collapsed .qs-nav-btn                 { justify-content: flex-start !important; gap: var(--space-3) !important; }
  .qs-sidebar.is-collapsed .qs-nav-item.active,
  .qs-sidebar.is-collapsed .qs-nav-btn.active          { box-shadow: inset 3px 0 0 var(--color-primary-light) !important; }
  .qs-sidebar.is-collapsed #admin-submenu              { display: block !important; }

  /* Contenu principal : pas de marge gauche (sidebar en overlay) */
  #qs-main,
  #qs-main.sidebar-collapsed { margin-left: 0 !important; }

  /* Titre de page : taille réduite sur mobile */
  .qs-page-title { font-size: var(--font-size-lg); }

  /* Tableaux : scroll horizontal + indicateur */
  .qs-scroll-hint        { display: flex; }
  .qs-table-scroll table { width: max-content; min-width: 100%; }

  /* Zones de clic touch-friendly (44px minimum) */
  .qs-nav-item,
  .qs-nav-btn,
  .qs-nav-subitem { min-height: 44px; }

  .btn    { min-height: 44px; }
  .btn-sm { min-height: 40px; }
}

/* ── Très petit écran (<480px) : vue cartes + formulaires ── */
@media (max-width: 479px) {

  /* Tableau → cartes empilées */
  table[data-table-interactive]       { display: block; }
  table[data-table-interactive] thead { display: none; }
  table[data-table-interactive] tbody { display: block; padding: var(--space-3); }

  table[data-table-interactive] tbody tr {
    display: block;
    margin-bottom: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    animation: fadeInUp 0.25s ease both;
  }

  table[data-table-interactive] tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: var(--font-size-sm);
    gap: var(--space-3);
    text-align: right;
    min-height: unset;
  }
  table[data-table-interactive] tbody td:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  /* Libellé de colonne injecté via JS (data-label) */
  table[data-table-interactive] tbody td[data-label]::before {
    content: attr(data-label);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-secondary-400);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    text-align: left;
    flex-shrink: 0;
    white-space: nowrap;
  }

  /* Cellule d'actions (sans data-label) : boutons alignés à droite */
  table[data-table-interactive] tbody td:not([data-label]) {
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: var(--space-2);
  }

  /* Ligne "aucun résultat" : affichage normal centré */
  table[data-table-interactive] .qs-ti-empty-row    { display: block; }
  table[data-table-interactive] .qs-ti-empty-row td { display: block; text-align: center; border: none; }
  table[data-table-interactive] .qs-ti-empty-row td::before { display: none; }

  /* Pas de scroll horizontal en mode carte */
  .qs-table-scroll { overflow-x: visible; }
  .qs-scroll-hint  { display: none !important; }

  /* Toolbar recherche : mode colonne */
  .qs-ti-toolbar     { flex-direction: column; align-items: stretch; }
  .qs-ti-search-wrap { max-width: 100%; }
  .qs-ti-counter     { margin-left: 0; text-align: right; }

  /* Grilles de formulaires → colonne unique */
  form .grid { grid-template-columns: 1fr !important; }
}

/* ── Lien retour pages admin ────────────────────────────────── */
.admin-back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: var(--space-5);
  transition: color var(--transition-base);
}
.admin-back-link:hover {
  color: var(--color-primary);
}

/* ── Page d'accueil Administration ─────────────────────────── */
.admin-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.admin-hub-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: var(--color-secondary);
  transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.admin-hub-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(59, 110, 234, 0.10);
  transform: translateY(-2px);
}

.admin-hub-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: rgba(59, 110, 234, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base);
}

.admin-hub-card:hover .admin-hub-icon {
  background: rgba(59, 110, 234, 0.15);
}

.admin-hub-body {
  flex: 1;
  min-width: 0;
}

.admin-hub-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: 2px;
}

.admin-hub-desc {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-400);
  line-height: 1.4;
}

.admin-hub-arrow {
  flex-shrink: 0;
  color: var(--color-secondary-400);
  transition: color var(--transition-base), transform var(--transition-base);
}

.admin-hub-card:hover .admin-hub-arrow {
  color: var(--color-primary);
  transform: translateX(3px);
}

/* === SIDEBAR LOGOUT BUTTON === */
.qs-logout-btn {
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  font-size: var(--font-size-xs);
  color: var(--color-secondary-500);
  transition: color var(--transition-base);
}
.qs-logout-btn:hover { color: var(--color-danger); }

/* === BOUTONS D'ACTION TABLEAU === */
.tbl-action {
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-xs);
  font-weight: 500;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.5;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.tbl-action-view { color: var(--color-secondary-400); }
.tbl-action-view:hover { color: var(--color-secondary); background: var(--color-secondary-100); }
.tbl-action-edit { color: var(--color-primary); }
.tbl-action-edit:hover { color: var(--color-primary-dark); background: var(--color-primary-50); }
.tbl-action-delete { color: var(--color-danger); }
.tbl-action-delete:hover { color: var(--color-danger-dark); background: var(--color-danger-bg); }
.tbl-action-warning { color: var(--color-accent-dark); }
.tbl-action-warning:hover { color: #92400e; background: var(--color-warning-bg); }
.tbl-action-success { color: var(--color-success); }
.tbl-action-success:hover { color: #047857; background: var(--color-success-bg); }

@media (max-width: 640px) {
  .admin-hub-grid { grid-template-columns: 1fr; }
}

/* === FLATPICKR — Thème Quickswing === */
.flatpickr-calendar {
  font-family: var(--font-body) !important;
  font-size: var(--font-size-sm) !important;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-lg) !important;
  background: var(--color-surface) !important;
  padding: 12px !important;
  width: 308px !important;
}
.flatpickr-calendar.arrowTop::before,
.flatpickr-calendar.arrowTop::after { border-bottom-color: var(--color-border) !important; }
.flatpickr-calendar.arrowBottom::before,
.flatpickr-calendar.arrowBottom::after { border-top-color: var(--color-border) !important; }

/* Header mois/année */
.flatpickr-months {
  align-items: center;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 4px;
}
.flatpickr-month {
  height: 32px !important;
  color: var(--color-secondary) !important;
  fill: var(--color-secondary) !important;
}
.flatpickr-current-month {
  font-size: var(--font-size-sm) !important;
  font-weight: 600 !important;
  color: var(--color-secondary) !important;
  padding-top: 4px !important;
}
.flatpickr-current-month .flatpickr-monthDropdown-months {
  font-family: var(--font-body) !important;
  font-size: var(--font-size-sm) !important;
  font-weight: 600 !important;
  color: var(--color-secondary) !important;
  background: transparent !important;
  border: none !important;
  padding: 2px 4px !important;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}
.flatpickr-current-month .numInputWrapper { width: 56px !important; }
.flatpickr-current-month .numInputWrapper input {
  font-family: var(--font-body) !important;
  font-size: var(--font-size-sm) !important;
  font-weight: 600 !important;
  color: var(--color-secondary) !important;
}
.flatpickr-prev-month,
.flatpickr-next-month {
  color: var(--color-secondary-400) !important;
  fill: var(--color-secondary-400) !important;
  padding: 4px 8px !important;
  border-radius: var(--radius-sm) !important;
  transition: color var(--transition-fast), background var(--transition-fast);
  height: 32px !important;
  top: 0 !important;
  display: flex !important;
  align-items: center !important;
}
.flatpickr-prev-month:hover,
.flatpickr-next-month:hover {
  color: var(--color-primary) !important;
  fill: var(--color-primary) !important;
  background: var(--color-primary-50) !important;
}
.flatpickr-prev-month svg,
.flatpickr-next-month svg { width: 14px !important; height: 14px !important; }

/* Jours de la semaine */
.flatpickr-weekdays { margin-bottom: 2px; }
span.flatpickr-weekday {
  font-size: var(--font-size-xs) !important;
  font-weight: 600 !important;
  color: var(--color-secondary-400) !important;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Grille des jours */
.flatpickr-day {
  font-size: var(--font-size-sm) !important;
  color: var(--color-secondary) !important;
  border-radius: var(--radius-sm) !important;
  height: 36px !important;
  line-height: 36px !important;
  max-width: 36px !important;
  transition: background var(--transition-fast), color var(--transition-fast);
  border: none !important;
}
.flatpickr-day:hover {
  background: var(--color-primary-50) !important;
  color: var(--color-primary) !important;
}
.flatpickr-day.today {
  border: 1.5px solid var(--color-primary) !important;
  color: var(--color-primary) !important;
  font-weight: 600 !important;
  background: transparent !important;
}
.flatpickr-day.today:hover {
  background: var(--color-primary-50) !important;
}
.flatpickr-day.selected,
.flatpickr-day.selected:hover {
  background: var(--color-primary) !important;
  color: #fff !important;
  border-color: var(--color-primary) !important;
  font-weight: 600 !important;
}
.flatpickr-day.prevMonthDay,
.flatpickr-day.nextMonthDay {
  color: var(--color-secondary-300) !important;
}
.flatpickr-day.flatpickr-disabled,
.flatpickr-day.flatpickr-disabled:hover {
  color: var(--color-secondary-200) !important;
  cursor: not-allowed;
}

/* Input altInput (ce que voit l'utilisateur) */
.flatpickr-input.flatpickr-input ~ .flatpickr-input[readonly] {
  cursor: pointer;
}

/* Bouton "Aujourd'hui" si activé */
.flatpickr-day.today.selected { background: var(--color-primary) !important; color: #fff !important; }
}

/* ================================================================
   Widget spinner numérique stylisé (.qs-num-spin)
   Layout géré en inline styles — CSS uniquement pour hover/focus
   ================================================================ */
.qs-num-spin-btn {
  transition: background 0.12s, color 0.12s;
  user-select: none;
}
.qs-num-spin-btn:first-child:hover { background: #e5e7eb !important; color: #374151 !important; }
.qs-num-spin-btn:first-child:active { background: #d1d5db !important; }
.qs-num-spin-btn:last-child:hover  { background: #dbeafe !important; color: #1d4ed8 !important; }
.qs-num-spin-btn:last-child:active  { background: #bfdbfe !important; }
.qs-num-spin input[type="number"]:focus { outline: none; background: #eff6ff; }
.qs-num-spin input[type="number"] { -moz-appearance: textfield; appearance: textfield; }
.qs-num-spin input[type="number"]::-webkit-inner-spin-button,
.qs-num-spin input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
