/**
 * GestPro - Design system moderne
 */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --sidebar-width: 272px;
  --header-height: 64px;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --sidebar-bg: #0f172a;
  --sidebar-hover: rgba(255,255,255,.08);
  --sidebar-active: rgba(59, 130, 246, .2);
  --sidebar-text: rgba(255,255,255,.9);
  --sidebar-muted: rgba(255,255,255,.55);
  --bg-page: #f1f5f9;
  --card-bg: #fff;
  --card-shadow: 0 1px 3px rgba(0,0,0,.06);
  --card-radius: 12px;
  --border-color: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 8px;
  --radius-sm: 6px;
}

* { box-sizing: border-box; }
body {
  min-height: 100vh;
  background: var(--bg-page);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  font-size: 0.9375rem;
  line-height: 1.5;
}

/* Sidebar */
.app-sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  max-height: 100vh;
  background: var(--sidebar-bg);
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  box-shadow: 4px 0 24px rgba(0,0,0,.06);
  overflow: hidden;
}
.app-sidebar .brand {
  flex-shrink: 0;
  padding: 1.25rem 1.5rem;
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  border-bottom: 1px solid rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.app-sidebar .brand i {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.app-sidebar-scroll {
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}
.app-sidebar .nav {
  padding: 0.75rem 0.5rem;
}
.app-sidebar .nav-link {
  color: var(--sidebar-text);
  padding: 0.625rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 2px;
  font-weight: 500;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  transition: background .15s, color .15s;
}
.app-sidebar .nav-link:hover {
  color: #fff;
  background: var(--sidebar-hover);
}
.app-sidebar .nav-link.active {
  color: #fff;
  background: var(--sidebar-active);
}
.app-sidebar .nav-link i {
  font-size: 1.1rem;
  opacity: .9;
  width: 22px;
  text-align: center;
}

/* Sidebar overlay (mobile) */
.app-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 999;
  opacity: 0;
  transition: opacity .2s;
}
.app-sidebar-overlay.active {
  display: block;
  opacity: 1;
}

/* Main area */
.app-main { margin-left: var(--sidebar-width); min-height: 100vh; display: flex; flex-direction: column; }
.app-header {
  height: var(--header-height);
  min-height: 56px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0 1rem;
  flex-shrink: 0;
}
.app-sidebar-toggle {
  padding: 0.5rem 0.75rem;
}
.app-header .page-title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}
.app-content { padding: 1rem; flex: 1; overflow-x: hidden; }

/* Responsive: mobile & tablet */
@media (max-width: 991.98px) {
  .app-sidebar {
    transform: translateX(-100%);
    transition: transform .25s ease;
    width: min(var(--sidebar-width), 85vw);
  }
  .app-sidebar.open {
    transform: translateX(0);
    box-shadow: 8px 0 24px rgba(0,0,0,.2);
  }
  .app-main { margin-left: 0; }
  .app-content { padding: 0.75rem; }
  .app-header .page-title { font-size: 0.9375rem; }
}
@media (max-width: 575.98px) {
  .app-header { padding: 0 0.75rem; }
  .app-content { padding: 0.5rem; }
  .page-header h1 { font-size: 1.125rem; }
  .stat-card .stat-value { font-size: 1.25rem; }
}
body.sidebar-open { overflow: hidden; }

/* Cards */
.card {
  border: none;
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  background: var(--card-bg);
  overflow: hidden;
}
.card-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text);
}
.card-body { padding: 1.25rem; }

/* Stat cards */
.stat-card {
  border-radius: var(--card-radius);
  border: none;
  box-shadow: var(--card-shadow);
  transition: transform .15s, box-shadow .2s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,.08); }
.stat-card .card-body { padding: 1.25rem; }
.stat-card .stat-value { font-weight: 700; font-size: 1.5rem; letter-spacing: -0.02em; color: var(--text); }
.stat-card .stat-label { font-size: 0.8125rem; color: var(--text-muted); font-weight: 500; margin-bottom: 0.25rem; }
.stat-card .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}
.stat-card.stat-primary .stat-icon { background: rgba(37, 99, 235, .12); color: var(--primary); }
.stat-card.stat-success .stat-icon { background: rgba(16, 185, 129, .12); color: var(--success); }
.stat-card.stat-warning .stat-icon { background: rgba(245, 158, 11, .12); color: var(--warning); }
.stat-card.stat-info .stat-icon { background: rgba(59, 130, 246, .12); color: var(--primary-light); }

/* Tables */
.table-modern { border-collapse: separate; border-spacing: 0; }
.table-modern thead th {
  background: #f8fafc;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
}
.table-modern tbody td { padding: 0.875rem 1rem; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
.table-modern tbody tr:hover { background: #f8fafc; }
.table-modern tbody tr:last-child td { border-bottom: none; }

/* Buttons */
.btn {
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}
.btn-primary {
  background: linear-gradient(180deg, var(--primary-light), var(--primary));
  border: none;
  box-shadow: 0 1px 2px rgba(37, 99, 235, .3);
}
.btn-primary:hover {
  background: linear-gradient(180deg, var(--primary), var(--primary-dark));
  box-shadow: 0 2px 4px rgba(37, 99, 235, .4);
}
.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }
.btn-outline-secondary { border-color: var(--border-color); color: var(--text-muted); }
.btn-outline-secondary:hover { background: #f1f5f9; border-color: #cbd5e1; color: var(--text); }

/* Form controls */
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border-color: var(--border-color);
  font-size: 0.9375rem;
  padding: 0.5rem 0.75rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
}
.form-label { font-weight: 500; color: var(--text); font-size: 0.875rem; margin-bottom: 0.375rem; }

/* Badges */
.badge { font-weight: 500; padding: 0.35em 0.65em; border-radius: 6px; font-size: 0.75rem; }
.badge.bg-success { background: rgba(16, 185, 129, .15) !important; color: var(--success); }
.badge.bg-warning { background: rgba(245, 158, 11, .15) !important; color: #b45309; }
.badge.bg-secondary { background: #f1f5f9 !important; color: var(--text-muted); }

/* Header actions */
.app-header .user-name { font-weight: 500; color: var(--text); font-size: 0.875rem; }
.app-header .dropdown .btn {
  border-radius: 10px;
  padding: 0.5rem 0.75rem;
  border-color: var(--border-color);
  color: var(--text-muted);
}
.app-header .dropdown .btn:hover { background: #f8fafc; color: var(--text); }
.dropdown-menu { border-radius: var(--radius); border-color: var(--border-color); box-shadow: 0 10px 40px rgba(0,0,0,.1); padding: 0.5rem; }
.dropdown-item { border-radius: 6px; padding: 0.5rem 0.75rem; font-size: 0.875rem; }

/* Page titles */
.page-header { margin-bottom: 1.5rem; }
.page-header h1 { font-weight: 700; font-size: 1.375rem; letter-spacing: -0.02em; color: var(--text); margin: 0; }

/* Alerts */
.alert { border: none; border-radius: var(--radius); font-size: 0.875rem; }
.alert-danger { background: rgba(239, 68, 68, .08); color: #b91c1c; }
.alert-success { background: rgba(16, 185, 129, .08); color: #047857; }
.alert-warning { background: rgba(245, 158, 11, .1); color: #b45309; }

/* Login page — fond uniquement sur body.login-page */
.login-page {
  min-height: 100vh;
  background: linear-gradient(145deg, #0f172a 0%, #1e293b 35%, #0f172a 70%, #172554 100%);
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}
.login-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(59, 130, 246, .12) 0%, transparent 50%),
              radial-gradient(ellipse 60% 40% at 100% 100%, rgba(37, 99, 235, .08) 0%, transparent 50%);
  pointer-events: none;
}
.login-page::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle, rgba(30, 58, 95, .4) 0%, transparent 70%);
  pointer-events: none;
}
.login-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
}
.login-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 24px 48px rgba(0,0,0,.25);
  overflow: hidden;
  background: rgba(255,255,255,.98);
  animation: loginCardIn 0.4s ease-out;
}
@keyframes loginCardIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.login-card .card-body { padding: 2rem 2.25rem; }
.login-logo {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: #fff;
  margin: 0 auto 1rem;
  box-shadow: 0 4px 14px rgba(37, 99, 235, .35);
}
.login-card h1 { font-weight: 700; font-size: 1.5rem; color: var(--text); margin-bottom: 0.25rem; text-align: center; }
.login-card .subtitle { color: var(--text-muted); font-size: 0.9375rem; margin-bottom: 1.75rem; text-align: center; }
.login-card .form-label { font-size: 0.8125rem; font-weight: 600; color: var(--text-muted); margin-bottom: 0.5rem; }
.login-card .form-control {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: #f8fafc;
  font-size: 0.9375rem;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.login-card .form-control::placeholder { color: #94a3b8; }
.login-card .form-control:hover { background: #fff; border-color: #cbd5e1; }
.login-card .form-control:focus {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .18);
  outline: none;
}
.login-card .btn-primary {
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-top: 0.5rem;
  border-radius: 10px;
  transition: transform .15s, box-shadow .2s;
}
.login-card .btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37, 99, 235, .4); }
.login-card .btn-primary:active { transform: translateY(0); }
.login-card .alert { margin-bottom: 1rem; }

/* Empty states */
.empty-state { padding: 2rem; text-align: center; color: var(--text-muted); font-size: 0.9375rem; }
.empty-state i { font-size: 2rem; opacity: .4; margin-bottom: 0.5rem; }