/* ============================================================
   MERCATOUR — Design System
   Variables CSS globales, réutilisables dans toutes les pages
   ============================================================ */

/* ── Tokens ── */
:root {
  /* Palette principale */
  --color-primary:        #1e40af;
  --color-primary-mid:    #0369a1;
  --color-primary-light:  #0891b2;
  --color-primary-hover:  #1d3a9e;
  --color-primary-glow:   rgba(30, 64, 175, 0.12);
  --color-primary-gradient: linear-gradient(135deg, #1e40af 0%, #0369a1 50%, #0891b2 100%);

  /* Neutrals */
  --color-bg-dark:   #0f172a;
  --color-bg-page:   #f1f5f9;
  --color-surface:   #ffffff;
  --color-border:    #e2e8f0;
  --color-input-bg:  #f8fafc;

  /* Texte */
  --color-text:       #0f172a;
  --color-text-muted: #64748b;
  --color-text-faint: #94a3b8;
  --color-label:      #374151;

  /* Feedback */
  --color-success:     #22c55e;
  --color-success-bg:  #f0fdf4;
  --color-success-border: #bbf7d0;
  --color-error:       #ef4444;
  --color-error-bg:    #fef2f2;
  --color-error-border:#fecaca;
  --color-warning:     #f59e0b;
  --color-warning-bg:  #fffbeb;
  --color-warning-border:#fde68a;

  /* Typographie */
  --font-sans: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-size-xs:   11px;
  --font-size-sm:   13px;
  --font-size-base: 14px;
  --font-size-md:   15px;
  --font-size-lg:   18px;
  --font-size-xl:   22px;
  --font-size-2xl:  26px;
  --font-size-3xl:  32px;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-15: 60px;

  /* Border radius */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   14px;
  --radius-xl:   20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg:  0 8px 24px rgba(0,0,0,0.12);
  --shadow-primary: 0 8px 20px rgba(30, 64, 175, 0.35);

  /* Transitions */
  --transition: all 0.2s ease;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg-page);
  -webkit-font-smoothing: antialiased;
}

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

/* ── Composants communs ── */

/* Bouton primaire */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: 13px var(--space-4);
  background: var(--color-primary-gradient);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary);
}
.btn-primary:active { transform: translateY(0); }

/* Bouton secondaire */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px var(--space-4);
  background: var(--color-input-bg);
  color: var(--color-label);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.btn-secondary:hover { background: var(--color-border); }

/* Bouton outline */
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px var(--space-5);
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

/* Champs de formulaire */
.form-group { margin-bottom: var(--space-5); }

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-label);
  margin-bottom: var(--space-1) + 2px;
  margin-bottom: 6px;
}

.input-wrapper { position: relative; }
.input-wrapper.input-error input,
.input-wrapper.input-error select {
  border-color: var(--color-error);
  background: var(--color-error-bg);
}

.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-faint);
  pointer-events: none;
  display: flex;
}

.input-toggle {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-faint);
  padding: 0;
  display: flex;
}

input[type="email"],
input[type="number"],
input[type="password"],
input[type="tel"],
input[type="text"],
select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-input-bg);
  transition: var(--transition);
  outline: none;
}

input[type="email"],
input[type="number"],
input[type="password"],
input[type="tel"],
input[type="text"] {
  padding: 12px 16px 12px 44px;
}

input[type="email"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
input[type="tel"]:focus,
input[type="text"]:focus,
select:focus {
  border-color: var(--color-primary);
  background: var(--color-surface);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

/* Alertes */
.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.alert-error {
  background: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  color: var(--color-error);
}

.alert-success {
  background: var(--color-success-bg);
  border: 1px solid var(--color-success-border);
  color: #166534;
}

.alert-warning {
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  color: #92400e;
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-6) 0;
  color: var(--color-text-faint);
  font-size: var(--font-size-xs);
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
}
.badge-primary {
  background: rgba(30, 64, 175, 0.1);
  color: var(--color-primary);
}
.badge-white {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
}
.badge-success {
  background: var(--color-success-bg);
  color: #166534;
}

/* App shell (navbar + contenu) */
.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Layout avec sidebar */
.app-body {
  flex: 1;
  display: flex;
  min-height: 0;
}

/* Sidebar gauche */
.app-sidebar {
  width: 220px;
  min-width: 220px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--space-5) 0;
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
  flex-shrink: 0;
}

.app-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 var(--space-3);
}

.app-sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 9px var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.app-sidebar-link:hover {
  background: var(--color-bg-page);
  color: var(--color-text);
  text-decoration: none;
}

.app-sidebar-link.is-active {
  background: var(--color-primary-glow);
  color: var(--color-primary);
  font-weight: 600;
}

.app-sidebar-link.is-active svg {
  stroke: var(--color-primary);
}

.app-sidebar-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-3) var(--space-3);
}

.app-nav {
  height: 60px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-8);
  gap: var(--space-4);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.app-nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-primary);
  text-decoration: none;
}

.app-nav-brand:hover { text-decoration: none; }

.app-nav-spacer { flex: 1; }

.app-nav-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.app-nav-logout {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 7px 14px;
  background: var(--color-input-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-label);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.app-nav-logout:hover {
  background: var(--color-border);
  text-decoration: none;
}

.app-main {
  flex: 1;
  padding: var(--space-10) var(--space-8);
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

/* Card */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.card-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

/* ── Auth layout (login, forgot) ── */
.auth-page {
  min-height: 100vh;
  display: flex;
  background: var(--color-bg-dark);
}

.auth-panel-left {
  flex: 1;
  background: var(--color-primary-gradient);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-15);
  position: relative;
  overflow: hidden;
}

.auth-panel-left::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.auth-panel-right {
  width: 480px;
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-15) var(--space-12);
}

.auth-brand { text-align: center; color: #fff; position: relative; }

.auth-brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-4);
}

.auth-brand-icon {
  width: 48px; height: 48px;
  background: rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
}

.auth-brand h1 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  letter-spacing: -0.5px;
}

.auth-brand p {
  font-size: var(--font-size-md);
  opacity: 0.8;
  max-width: 280px;
  line-height: 1.6;
  margin: 0 auto;
}

.auth-stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-12);
  position: relative;
}

.auth-stat { text-align: center; color: #fff; }
.auth-stat-value { font-size: 28px; font-weight: 700; }
.auth-stat-label { font-size: var(--font-size-xs); opacity: 0.7; text-transform: uppercase; letter-spacing: 0.5px; }

.auth-illustration { position: relative; margin-bottom: var(--space-10); }
.auth-illustration svg { filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3)); }

.auth-header { margin-bottom: var(--space-8) + 4px; margin-bottom: 36px; }
.auth-header h2 { font-size: var(--font-size-2xl); font-weight: 700; color: var(--color-text); margin-bottom: 6px; }
.auth-header p { color: var(--color-text-muted); font-size: var(--font-size-base); }

.auth-footer {
  margin-top: var(--space-8) - 4px;
  margin-top: 28px;
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-faint);
}

.form-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

.remember {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: #475569;
  cursor: pointer;
}

.remember input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
  padding: 0;
}

/* ── Profile pages ── */
.profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}

.profile-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.profile-section-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.profile-dl {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.profile-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-bg-page);
}

.profile-row dt {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.profile-row dd {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  text-align: right;
}

.profile-form-section {
  margin-bottom: var(--space-8);
}

.profile-form-section .profile-section-title {
  margin-bottom: var(--space-5);
}

/* ── Data table ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-align: left;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  position: sticky;
  top: var(--table-header-top, 108px);
  background: var(--color-surface);
  z-index: 10;
}

.data-table td {
  font-size: var(--font-size-sm);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: var(--color-bg-page);
}

@media (max-width: 768px) {
  .auth-panel-left { display: none; }
  .auth-panel-right { width: 100%; padding: var(--space-10) var(--space-6); }
  .app-main { padding: var(--space-6) var(--space-4); }
  .app-sidebar { display: none; }
}