/* ==========================================================================
   1. Variables CSS & Styles de base
   ========================================================================== */

:root {
  --color-primary-dark: #1B3269;      /* Bleu foncé professionnel */
  --color-primary-medium: #2D5BA3;    /* Bleu de construction */
  --color-primary-light: #4A7AB8;     /* Bleu secondaire */

  --color-secondary-dark: #2C3E50;    /* Gris charbon */
  --color-secondary-medium: #34495E;  /* Gris acier */
  --color-secondary-light: #BDC3C7;   /* Gris clair */

  --color-dark-background: var(--color-primary-dark);
  --color-light-background: #F8FAFC;
  --color-border: #E2E8F0;
  --color-text-title: #0F172A;
  --color-text-body: #334155;
  --color-text-light: #FFFFFF;

  --color-success: #27AE60;
  --color-warning: #F39C12;
  --color-danger: #E74C3C;

  --font-family-main: 'Inter', sans-serif;
  
  /* Breakpoints responsives */
  --breakpoint-xl: 1200px;
  --breakpoint-lg: 992px;
  --breakpoint-md: 768px;
  --breakpoint-sm: 576px;
  --breakpoint-xs: 480px;
  
  /* Sidebar responsive */
  --sidebar-width: 260px;
  --sidebar-width-collapsed: 70px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-main);
  background-color: var(--color-light-background);
  color: var(--color-text-body);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-main);
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   2. Layout Principal & Sidebar
   ========================================================================== */

.layout {
  display: flex;
  min-height: 100vh;
  position: relative;
}

.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background-color: var(--color-dark-background);
  padding: 2rem 1.5rem;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: all 0.3s ease;
  overflow-y: auto;
}

.content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 2rem;
  transition: all 0.3s ease;
  min-height: 100vh;
  background-color: var(--color-light-background);
}

/* ==========================================================================
   3. Éléments de la Sidebar
   ========================================================================== */

.sidebar {
  overflow-x: hidden;
  overflow-y: auto;
}

.brand {
  color: var(--color-text-light);
  font-size: 1.5rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;  /* Empêche le header de rétrécir */
  min-height: 80px;
}

.brand img {
  max-width: 80%;
  max-height: 80px;
  height: auto;
  margin: 0 auto 0.5rem;
  display: block;
}

.logo {
  max-width: 80%;
  max-height: 80px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.brand .text {
  width: 100%;
  text-align: center;
}

.brand-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding-right: 5px;  /* Espace pour la barre de défilement */
}

.sidebar-content::-webkit-scrollbar {
  width: 6px;
}

.sidebar-content::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.sidebar-content::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 3px;
}

.sidebar-content::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}

.section-title {
  color: var(--color-secondary-light);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 1.5rem 0 0.5rem 0;
  padding: 0 1rem;
}

.sidebar nav a {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  margin-bottom: 0.25rem;
  border-radius: 6px;
  text-decoration: none;
  color: var(--color-text-light);
  font-weight: 500;
  transition: all 0.2s ease;
  margin-left: 0.5rem;
  margin-right: 0.5rem;
}

.sidebar nav a:hover {
  background-color: var(--color-secondary-medium);
  color: var(--color-text-light);
  transform: translateX(4px);
}

.sidebar nav a.active {
  background-color: var(--color-primary-light);
  color: var(--color-text-light);
  font-weight: 600;
}

/* Style pour une icône (si vous en utilisez, ex: FontAwesome) */
.sidebar nav a i {
  margin-right: 1rem;
  width: 20px;
  text-align: center;
}

/* ==========================================================================
   4. En-tête principal (Header)
   ========================================================================== */

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: 1rem;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 0 0 auto;
}

.header-center {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 0 1 auto;
  justify-content: center;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 0 0 auto;
  justify-content: flex-end;
}

.header select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-family-main);
  font-size: 0.9rem;
  background-color: white;
  color: var(--color-text-body);
  cursor: pointer;
  min-width: 200px;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23334155' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

.header .dropdown-container {
  position: relative;
  display: inline-block;
}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  background-color: white;
  min-width: 160px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
  z-index: 1001;
  border-radius: 8px;
  overflow: hidden;
  top: 100%;
  margin-top: 0.25rem;
}

.dropdown-content a {
  color: var(--color-text-body);
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  font-size: 0.9rem;
  transition: background-color 0.2s ease;
}

.dropdown-content a:hover {
  background-color: #f5f7fa;
}

.dropdown:hover .dropdown-content {
  display: block;
}

.user-menu {
  position: relative;
  display: inline-block;
}

.user-menu-content {
  display: none;
  position: absolute;
  right: 0;
  background-color: white;
  min-width: 180px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
  z-index: 1001;
  border-radius: 8px;
  overflow: hidden;
  top: 100%;
  margin-top: 0.25rem;
}

.user-menu:hover .user-menu-content {
  display: block;
}

.user-menu-content a {
  color: var(--color-text-body);
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  font-size: 0.9rem;
  transition: background-color 0.2s ease;
}

.user-menu-content a:hover {
  background-color: #f5f7fa;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.user-info i {
  font-size: 1.2rem;
  color: var(--color-primary-medium);
}

.user-details {
  text-align: left;
}

.user-details .user-name {
  display: block;
  font-weight: 600;
  color: var(--color-text-title);
  font-size: 1rem;
}

.user-details .user-role {
  display: block;
  font-size: 0.8rem;
  color: var(--color-secondary-medium);
}

.logo-header {
  font-size: 1.3rem;
  font-weight: bold;
  color: var(--color-primary-dark);
  text-decoration: none;
}

.logo-header img {
  height: 40px;
  vertical-align: middle;
  margin-right: 0.75rem;
}

/* Responsive pour le header */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .header-left, .header-center, .header-right {
    justify-content: center;
    flex: auto;
  }
}

.pill {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-secondary-light);
  color: var(--color-text-title);
  border-radius: 20px;
  font-size: 0.8rem;
}

/* ==========================================================================
   5. Toolbar et boutons
   ========================================================================== */

.toolbar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-family: var(--font-family-main);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: inline-block;
  text-align: center;
  text-decoration: none;
  background-color: var(--color-primary-medium);
  color: var(--color-text-light);
}

.btn:active {
    transform: scale(0.98);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn:hover {
  background-color: var(--color-primary-dark);
  text-decoration: none;
  color: var(--color-text-light);
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  font-size: 0.875rem;
  min-width: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon i {
  font-size: 0.875rem;
}

.action-cell {
  white-space: nowrap;
}

.action-cell .btn-icon {
  margin-right: 4px;
}

.action-cell .btn-icon:last-child {
  margin-right: 0;
}

/* ==========================================================================
   6. Composants UI (Boutons spécifiques, Alertes)
   ========================================================================== */

.btn-primary {
  background-color: var(--color-primary-medium);
  color: var(--color-text-light);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  text-decoration: none;
  color: var(--color-text-light);
}

.btn-secondary {
  background-color: var(--color-secondary-medium);
  color: var(--color-text-light);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  text-decoration: none;
  color: var(--color-text-light);
}

.btn-success {
  background-color: var(--color-success);
  color: var(--color-text-light);
}

.btn-success:hover {
  background-color: #219653;
  text-decoration: none;
  color: var(--color-text-light);
}

.btn-warning {
  background-color: var(--color-warning);
  color: var(--color-text-light);
}

.btn-warning:hover {
  background-color: #E67E22;
  text-decoration: none;
  color: var(--color-text-light);
}

.btn-danger {
  background-color: var(--color-danger);
  color: var(--color-text-light);
}

.btn-danger:hover {
  background-color: #C0392B;
  text-decoration: none;
  color: var(--color-text-light);
}

.btn-info {
  background-color: #17A2B8;
  color: var(--color-text-light);
}

.btn-info:hover {
  background-color: #138496;
  text-decoration: none;
  color: var(--color-text-light);
}

.demand-actions-modal {
  margin-top: 1rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.summary-container {
  margin-top: 1.5rem;
  padding: 1rem;
  background-color: #F8FAFC;
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.summary-container h5 {
  color: var(--color-primary-medium);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.summary-content {
  color: var(--color-text-body);
  line-height: 1.5;
  white-space: pre-wrap;
}

.response-instruction {
  margin-top: 1rem;
  padding: 1rem;
  background-color: #E3F2FD;
  border: 1px solid #2196F3;
  border-radius: 8px;
  color: #1565C0;
}

.response-instruction p {
  margin: 0;
  font-size: 0.9rem;
}

.response-instruction i {
  margin-right: 0.5rem;
}

.alert {
  padding: 1rem 1.5rem;
  border-radius: 8px;
  border: 1px solid transparent;
  margin-bottom: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.alert-success {
  background-color: #F0FDF4;
  border-color: var(--color-success);
  color: var(--color-success);
}

.alert-warning {
  background-color: #FFFBEB;
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.alert-danger {
  background-color: #FEF2F2;
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.alert-error {
  background-color: #FEF2F2;
  border-color: var(--color-danger);
  color: var(--color-danger);
}

/* ==========================================================================
   7. Composants supplémentaires
   ========================================================================== */

.card {
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.card small {
  display: block;
  color: var(--color-secondary-medium);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.card h2 {
  margin: 0;
  color: var(--color-text-title);
}

.table-wrapper {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.table th,
.table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  font-weight: 600;
  color: var(--color-text-title);
  background-color: #F8FAFC;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge.active {
  background-color: var(--color-success);
  color: white;
}

.badge.pending {
  background-color: var(--color-warning);
  color: white;
}

.badge.inactive {
  background-color: var(--color-secondary-light);
  color: var(--color-text-title);
}

/* ==========================================================================
   8. Pied de page
   ========================================================================== */

.app-footer {
  margin-left: var(--sidebar-width);
  padding: 1rem;
  text-align: center;
  color: var(--color-secondary-medium);
  font-size: 0.9rem;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-light-background);
}

/* ==========================================================================
   9. Responsive
   ========================================================================== */

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .content {
    margin-left: 0;
    padding: 1rem;
  }

  .header {
    flex-direction: column;
    gap: 1rem;
  }

  .profile {
    text-align: left;
  }

  .toolbar {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .table-wrapper {
    font-size: 0.875rem;
  }
}

/* ==========================================================================
   10. Éléments de formulaire
   ========================================================================== */

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text-title);
  font-size: 0.9rem;
}

input, select, textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-family-main);
  font-size: 1rem;
  background-color: white;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

input[type="text"], input[type="password"], input[type="email"], input[type="number"], input[type="date"], input[type="color"] {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-family-main);
  font-size: 1rem;
  background-color: white;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary-medium);
  box-shadow: 0 0 0 3px rgba(45, 91, 163, 0.2);
}

input[type="checkbox"], input[type="radio"] {
  width: auto;
  margin-right: 0.5rem;
  margin-top: 4px;
  cursor: pointer;
}

textarea {
  min-height: 100px;
  resize: vertical;
  font-family: var(--font-family-main);
}

/* Style spécifique pour le type color */
input[type="color"] {
  height: 40px;
  padding: 5px !important;
  cursor: pointer;
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

/* Amélioration du style des selects imbriqués */
.card select {
  background-color: white;
}

select {
  cursor: pointer;
  background-color: white;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23334155' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

button, .form-submit {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-family: var(--font-family-main);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  background-color: var(--color-primary-medium);
  color: var(--color-text-light);
  display: inline-block;
  text-align: center;
  text-decoration: none;
}

button:hover, .form-submit:hover {
  background-color: var(--color-primary-dark);
  text-decoration: none;
  color: var(--color-text-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

button:active, .form-submit:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   11. Disposition des formulaires
   ========================================================================== */

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.field-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.field-group > div {
  flex: 1;
}

/* ==========================================================================
   12. Classes utilitaires
   ========================================================================== */

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.pb-1 { padding-bottom: 0.5rem; }
.pb-2 { padding-bottom: 1rem; }
.pb-3 { padding-bottom: 1.5rem; }
.pb-4 { padding-bottom: 2rem; }
.pb-5 { padding-bottom: 3rem; }

.pt-1 { padding-top: 0.5rem; }
.pt-2 { padding-top: 1rem; }
.pt-3 { padding-top: 1.5rem; }
.pt-4 { padding-top: 2rem; }
.pt-5 { padding-top: 3rem; }


.form-hint {
  font-size: 0.9rem;
  color: var(--color-secondary-medium);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.dependency-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.dependency-lane {
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  box-shadow: 0 4px 6px rgba(15, 23, 42, 0.05);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lane-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.lane-subtitle {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-secondary-medium);
  margin-bottom: 0.25rem;
}

.lane-count {
  background: var(--color-light-background);
  border-radius: 999px;
  padding: 0.25rem 0.85rem;
  font-size: 0.85rem;
  color: var(--color-primary-dark);
  font-weight: 600;
}

.lane-description {
  font-size: 0.9rem;
  color: var(--color-secondary-medium);
}

.dependency-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #f8fafc;
  border-radius: 12px;
  padding: 0.85rem 1rem;
  border-left: 4px solid var(--color-primary-medium);
}

.dependency-node {
  flex: 1;
  min-width: 0;
}

.node-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-secondary-medium);
  letter-spacing: 0.08em;
}

.dependency-node strong {
  display: block;
  font-size: 1rem;
  color: var(--color-text-title);
}

.node-lot {
  font-size: 0.85rem;
  color: var(--color-secondary-medium);
}

.dependency-arrow {
  text-align: center;
  min-width: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.arrow-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.arrow-type {
  font-size: 0.85rem;
}

.arrow-delay {
  display: inline-block;
  margin-top: 0.15rem;
  font-size: 0.75rem;
  color: var(--color-secondary-medium);
}

.dependency-empty {
  background: #f1f5f9;
  border: 1px dashed var(--color-border);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
  color: var(--color-secondary-medium);
  font-size: 0.9rem;
}

@media (max-width: 780px) {
  .dependency-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .dependency-arrow {
    flex-direction: row;
    justify-content: flex-start;
    gap: 0.5rem;
  }
}

/* ==========================================================================
   RESPONSIVE DESIGN - Styles adaptatifs pour petits écrans
   ========================================================================== */

/* Tablettes et petits écrans (max-width: 992px) */
@media (max-width: 992px) {
  :root {
    --sidebar-width: 240px;
  }
  
  .sidebar {
    width: var(--sidebar-width);
  }
  
  .content {
    margin-left: var(--sidebar-width);
  }
  
  .header {
    padding: 1rem;
  }
  
  .header-left, .header-center, .header-right {
    flex: 1 1 auto;
  }
  
  .header select {
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
  }
}

/* Tablettes (max-width: 768px) */
@media (max-width: 768px) {
  :root {
    --sidebar-width: 220px;
  }
  
  .sidebar {
    width: var(--sidebar-width);
    padding: 1.5rem 1rem;
  }
  
  .content {
    margin-left: var(--sidebar-width);
    padding: 1rem;
  }
  
  .brand {
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
  }
  
  .brand img {
    max-width: 60%;
  }
  
  .sidebar-content nav a {
    padding: 0.8rem 1rem;
    font-size: 0.9rem;
  }
  
  .header {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1rem 0.5rem;
  }
  
  .header-left, .header-center, .header-right {
    justify-content: center;
    flex: auto;
  }
  
  .header select {
    width: 100%;
    max-width: none;
  }
  
  .toolbar {
    gap: 0.5rem;
  }
  
  .toolbar .btn {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }
  
  /* Tableaux responsives */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .table {
    min-width: 600px;
  }
  
  /* Cartes */
  .card {
    margin-bottom: 1rem;
  }
  
  .card-header, .card-body {
    padding: 1rem;
  }
  
  /* Formulaires */
  .form-group {
    margin-bottom: 1rem;
  }
  
  .form-row {
    flex-direction: column;
  }
  
  .form-row .form-group {
    margin-bottom: 0.5rem;
  }
  
  /* Boutons */
  .btn-group {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .btn-group .btn {
    width: 100%;
  }
  
  /* Alertes */
  .alert {
    margin-bottom: 1rem;
  }
  
  /* Modals */
  .modal-dialog {
    margin: 0.5rem;
    max-width: none;
  }
  
  .modal-content {
    border-radius: 8px;
  }
}

/* Petits écrans (max-width: 576px) */
@media (max-width: 576px) {
  :root {
    --sidebar-width: 0px;
  }
  
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1050;
    width: 280px;
  }
  
  .sidebar.show {
    transform: translateX(0);
  }
  
  .content {
    margin-left: 0;
    padding: 0.5rem;
  }
  
  /* Overlay pour mobile */
  .sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1040;
  }
  
  .sidebar-overlay.show {
    display: block;
  }
  
  /* Bouton menu mobile */
  .mobile-menu-btn {
    display: block !important;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1030;
    background: var(--color-primary-dark);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 0.5rem;
    font-size: 1.2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  }
  
  .brand {
    margin-bottom: 2rem;
  }
  
  .brand img {
    max-width: 70%;
  }
  
  .sidebar-content nav a {
    padding: 1rem;
    font-size: 1rem;
  }
  
  .header {
    padding: 0.5rem;
    position: relative;
    padding-left: 3rem; /* Espace pour le bouton menu */
  }
  
  .header-left, .header-center, .header-right {
    flex: 1;
  }
  
  .header select {
    font-size: 0.8rem;
    padding: 0.3rem 0.6rem;
  }
  
  /* Toolbar */
  .toolbar {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .toolbar .btn {
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 0.9rem;
  }
  
  /* Cartes */
  .card {
    margin-bottom: 0.5rem;
  }
  
  .card-header, .card-body {
    padding: 0.75rem;
  }
  
  .card-header h4, .card-header h5 {
    font-size: 1.1rem;
  }
  
  /* Formulaires */
  .form-group label {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
  }
  
  .form-control {
    font-size: 16px; /* Empêche le zoom sur iOS */
    padding: 0.6rem 0.8rem;
  }
  
  /* Tableaux */
  .table {
    font-size: 0.8rem;
  }
  
  .table th, .table td {
    padding: 0.5rem;
  }
  
  /* Boutons */
  .btn {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }
  
  /* Alertes */
  .alert {
    padding: 0.75rem;
    font-size: 0.9rem;
  }
  
  /* Badges et pills */
  .badge, .pill {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
  }
  
  /* Pagination */
  .pagination {
    flex-wrap: wrap;
    gap: 0.25rem;
  }
  
  .pagination .page-link {
    padding: 0.375rem 0.5rem;
    font-size: 0.8rem;
  }
  
  /* Modals */
  .modal-dialog {
    margin: 0.25rem;
  }
  
  .modal-header, .modal-body, .modal-footer {
    padding: 1rem;
  }
  
  .modal-title {
    font-size: 1.1rem;
  }
}

/* Très petits écrans (max-width: 480px) */
@media (max-width: 480px) {
  body {
    font-size: 14px;
  }
  
  .sidebar {
    width: 260px;
  }
  
  .content {
    padding: 0.25rem;
  }
  
  .header {
    padding: 0.25rem;
    padding-left: 3rem;
  }
  
  .brand img {
    max-width: 80%;
  }
  
  .sidebar-content nav a {
    padding: 0.8rem;
    font-size: 0.95rem;
  }
  
  .card-header, .card-body {
    padding: 0.5rem;
  }
  
  .form-control {
    padding: 0.5rem 0.7rem;
  }
  
  .btn {
    padding: 0.5rem 0.8rem;
    font-size: 0.85rem;
  }
  
  .table th, .table td {
    padding: 0.3rem;
    font-size: 0.75rem;
  }
  
  .alert {
    padding: 0.5rem;
    font-size: 0.85rem;
  }
}

/* Styles utilitaires responsives */
@media (max-width: 768px) {
  .d-mobile-none {
    display: none !important;
  }
  
  .d-mobile-block {
    display: block !important;
  }
  
  .d-mobile-flex {
    display: flex !important;
  }
  
  .text-center-mobile {
    text-align: center !important;
  }
  
  .w-100-mobile {
    width: 100% !important;
  }
  
  .mb-2-mobile {
    margin-bottom: 0.5rem !important;
  }
  
  .p-1-mobile {
    padding: 0.25rem !important;
  }
}

/* Améliorations pour le touch */
@media (hover: none) and (pointer: coarse) {
  .btn {
    min-height: 44px;
    min-width: 44px;
  }
  
  .form-control {
    min-height: 44px;
  }
  
  .sidebar-content nav a {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  
  /* Espacement pour éviter les clics accidentels */
  .card, .btn, .form-control, .table tbody tr {
    margin-bottom: 0.25rem;
  }
}