:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --success: #16a34a;
  --warning: #eab308;
  --danger: #dc2626;
  --gray-btn: #f1f5f9;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  padding: 20px 10px;
}

.container {
  max-width: 800px;
  margin: 0 auto;
}

.container-large {
  max-width: 1050px;
  margin: 0 auto;
}

/* En-tête */
header {
  text-align: center;
  margin-bottom: 25px;
}

header h1 {
  font-size: 1.8rem;
  color: #0f172a;
  margin-bottom: 6px;
}

header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Barre de navigation */
.nav-bar {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 25px;
  flex-wrap: wrap;
}

.nav-link {
  padding: 8px 16px;
  background-color: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.nav-link:hover, .nav-link.active {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Onglets d'action */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
}

.tab-btn {
  flex: 1;
  padding: 12px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.2s;
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Cartes et Formulaires */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 16px;
}

label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  background-color: #fff;
  color: var(--text);
  font-family: inherit;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.btn {
  display: inline-block;
  background-color: var(--primary);
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: background-color 0.2s;
}

.btn:hover {
  background-color: var(--primary-hover);
}

.btn-secondary {
  background-color: var(--gray-btn);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background-color: #e2e8f0;
}

.btn-danger {
  background-color: var(--danger);
  color: white;
}
.btn-danger:hover {
  background-color: #b91c1c;
}

/* Alertes & Messages */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 15px;
  display: none;
  font-size: 0.95rem;
}

.alert-success {
  background-color: #dcfce7;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

.alert-error {
  background-color: #fee2e2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

/* Badges de statut */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-attente {
  background-color: #fef3c7;
  color: #b45309;
}

.badge-cours {
  background-color: #dbeafe;
  color: #1d4ed8;
}

.badge-resolu {
  background-color: #dcfce7;
  color: #15803d;
}

.badge-type {
  background-color: #f1f5f9;
  color: #475569;
}

/* Liste des tickets (Admin) */
.ticket-item {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 12px;
  background-color: #fff;
}

.ticket-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.ticket-title {
  font-weight: 600;
  font-size: 1.05rem;
}

.ticket-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.ticket-body {
  font-size: 0.95rem;
  background: #f8fafc;
  padding: 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  white-space: pre-wrap;
}

.ticket-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.action-btn {
  padding: 6px 12px;
  font-size: 0.85rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  cursor: pointer;
  background-color: #fff;
  transition: 0.15s;
}

.action-btn.active-status {
  font-weight: bold;
  box-shadow: 0 0 0 2px var(--text);
}

.action-btn.btn-attente {
  background-color: #fef3c7;
  color: #92400e;
  border-color: #fde68a;
}
.action-btn.btn-cours {
  background-color: #dbeafe;
  color: #1e40af;
  border-color: #bfdbfe;
}
.action-btn.btn-resolu {
  background-color: #dcfce7;
  color: #166534;
  border-color: #bbf7d0;
}

/* Solutions publiques */
.solution-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
  background: white;
}

.solution-card h3 {
  font-size: 1.2rem;
  margin-bottom: 6px;
  color: #0f172a;
}

.solution-card .tag {
  display: inline-block;
  background-color: #e2e8f0;
  font-size: 0.8rem;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  margin-bottom: 10px;
}

.solution-instructions {
  background-color: #f8fafc;
  border-left: 4px solid var(--primary);
  padding: 12px;
  border-radius: 4px;
  font-size: 0.95rem;
  white-space: pre-line;
}

footer {
  text-align: center;
  margin-top: 40px;
  font-size: 0.85rem;
  color: var(--text-muted);
}