/* ==========================================================================
   SIGAN-UAC — Design System (inspiré du portail Missions UAC)
   Layer additionnel chargé après style.css : modernise la palette, le layout
   admin, les cartes, les tableaux, le footer, sans casser les classes
   existantes (stat-card, card-elegant, table-pro, sidebar, etc.).
   ========================================================================== */

:root {
  --uac-primary:    #0a3d62;
  --uac-primary-2:  #1e5d8a;
  --uac-primary-3:  #1e88e5;
  --uac-accent:     #ef9c00;
  --uac-accent-2:   #ffb300;
  --uac-bg:         #f4f6fa;
  --uac-surface:    #ffffff;
  --uac-text:       #1a2233;
  --uac-muted:      #6b7a90;
  --uac-border:     #e6ebf2;
  --uac-success:    #1b5e20;
  --uac-success-2:  #43a047;
  --uac-danger:     #c62828;
  --uac-warning:    #ef6c00;
  --uac-info:       #0277bd;
  --uac-shadow-sm:  0 2px 6px rgba(10,61,98,.06);
  --uac-shadow:     0 6px 22px -10px rgba(10,61,98,.18);
  --uac-shadow-lg:  0 18px 40px -20px rgba(10,61,98,.30);
  --uac-radius:     14px;
  --uac-radius-sm:  10px;
  --uac-radius-lg:  18px;
}

/* ===== Base ===== */
html, body { height: 100%; }
body {
  font-family: 'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  background: var(--uac-bg);
  color: var(--uac-text);
  -webkit-font-smoothing: antialiased;
  display: flex; flex-direction: column; min-height: 100vh;
}
body > .site-main, body > main { flex: 1 0 auto; }

/* Liens & focus accessibles */
a { color: var(--uac-primary); }
a:hover { color: var(--uac-primary-2); }
:focus-visible {
  outline: 2px solid var(--uac-primary-3);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ==========================================================================
   Header public (modernisé, gardé compatible avec includes/header.php)
   ========================================================================== */
.site-header {
  background: linear-gradient(135deg, var(--uac-primary) 0%, var(--uac-primary-2) 60%, #0c4a6e 100%);
  border-bottom: 3px solid var(--uac-accent);
  box-shadow: 0 4px 18px rgba(10,61,98,.18);
  position: sticky; top: 0; z-index: 1030;
}
.site-header .institution {
  font-family: 'Inter','Segoe UI',sans-serif;
  font-weight: 700; font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.site-header .department {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; opacity: .9;
}
.site-header .country { font-size: .72rem; opacity: .65; }
.emblem-logo {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: #fff; padding: 4px;
}

.header-nav {
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px;
}
.header-nav a {
  color: rgba(255,255,255,.92);
  font-weight: 500; font-size: .9rem;
  border-radius: 8px;
}
.header-nav a:hover, .header-nav a.active {
  background: rgba(255,255,255,.15);
  color: #fff;
}

/* Sur grand écran : navigation horizontale moderne */
@media (min-width: 992px) {
  .header-nav {
    flex-direction: row !important;
    width: auto !important; max-width: none !important;
    margin-top: 0 !important; padding: .35rem !important;
    background: rgba(0,0,0,.18);
    box-shadow: none;
  }
  .header-nav a { padding: .5rem .85rem; }
  .nav-toggle { display: none !important; }
}

/* ==========================================================================
   Layout administrateur — sidebar moderne
   ========================================================================== */
.sidebar {
  background: linear-gradient(180deg, #0a3d62 0%, #0e3b6b 60%, #0c2a6b 100%);
  color: #e7eef7;
  min-height: calc(100vh - 90px);
  padding-top: 1.25rem !important;
  box-shadow: 4px 0 20px -10px rgba(10,61,98,.4);
  position: sticky; top: 90px;
}
.sidebar .sidebar-section {
  text-transform: uppercase;
  font-size: .68rem; letter-spacing: .12em;
  color: rgba(255,255,255,.45);
  font-weight: 600;
  padding: 1rem 1.25rem .35rem;
  margin-top: .25rem;
}
.sidebar a {
  display: flex; align-items: center; gap: .65rem;
  padding: .65rem 1.1rem;
  margin: .15rem .6rem;
  color: rgba(255,255,255,.82);
  text-decoration: none;
  font-size: .92rem; font-weight: 500;
  border-radius: 10px;
  transition: all .18s ease;
  border-left: 3px solid transparent;
}
.sidebar a i { font-size: 1.05rem; opacity: .9; width: 20px; text-align: center; }
.sidebar a:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
}
.sidebar a.active {
  background: linear-gradient(135deg, rgba(239,156,0,.18), rgba(239,156,0,.06));
  color: #fff;
  border-left-color: var(--uac-accent);
  box-shadow: inset 0 0 0 1px rgba(239,156,0,.18);
}
.sidebar .border-bottom { border-color: rgba(255,255,255,.08) !important; }

/* Zone de contenu admin */
section.col-lg-10, section.col-md-9 {
  background: var(--uac-bg);
  min-height: calc(100vh - 90px);
}

/* ==========================================================================
   Cards
   ========================================================================== */
.card, .card-elegant {
  background: var(--uac-surface);
  border: 1px solid var(--uac-border);
  border-radius: var(--uac-radius);
  box-shadow: var(--uac-shadow-sm);
  transition: box-shadow .2s ease, transform .2s ease;
}
.card:hover, .card-elegant:hover { box-shadow: var(--uac-shadow); }
.card-elegant .card-head {
  padding: 1.1rem 1.4rem;
  background: linear-gradient(135deg, #f7fafd, #eef4fb);
  border-bottom: 1px solid var(--uac-border);
  border-radius: var(--uac-radius) var(--uac-radius) 0 0;
}
.card-elegant .card-head h2 {
  font-size: 1.05rem; font-weight: 700; color: var(--uac-primary);
  margin: 0; display: flex; align-items: center; gap: .55rem;
  font-family: 'Inter','Segoe UI',sans-serif;
}
.card-elegant .card-body { padding: 1.25rem 1.4rem; }

/* ==========================================================================
   Stat cards (KPI)
   ========================================================================== */
.stat-card {
  background: #fff;
  border: 1px solid var(--uac-border);
  border-radius: var(--uac-radius);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--uac-shadow-sm);
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
  transition: transform .18s ease, box-shadow .2s ease;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--uac-shadow); }
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--uac-primary), var(--uac-primary-3));
}
.stat-card.success::before { background: linear-gradient(90deg, var(--uac-success), var(--uac-success-2)); }
.stat-card.accent::before  { background: linear-gradient(90deg, var(--uac-warning), var(--uac-accent-2)); }
.stat-card.violet::before  { background: linear-gradient(90deg, #4a148c, #8e24aa); }
.stat-card .stat-label {
  color: var(--uac-muted); font-size: .82rem;
  text-transform: uppercase; letter-spacing: .06em; font-weight: 600;
}
.stat-card .stat-value {
  color: var(--uac-primary); font-size: 1.85rem; font-weight: 700;
  line-height: 1.1; margin-top: .35rem;
  font-family: 'Inter','Segoe UI',sans-serif;
  letter-spacing: -.02em;
}

/* ==========================================================================
   Tables
   ========================================================================== */
.table-pro, .table {
  border-collapse: separate; border-spacing: 0;
  width: 100%; font-size: .92rem;
  background: #fff;
  border-radius: var(--uac-radius); overflow: hidden;
}
.table-pro thead th, .table thead th {
  background: linear-gradient(135deg, #f7fafd, #eef4fb);
  color: var(--uac-primary);
  text-transform: uppercase; font-size: .72rem; letter-spacing: .07em;
  padding: .85rem 1rem; border: none;
  font-weight: 700;
}
.table-pro tbody td, .table tbody td {
  padding: .85rem 1rem;
  border-top: 1px solid var(--uac-border);
  vertical-align: middle;
}
.table-pro tbody tr:hover, .table tbody tr:hover { background: #f9fbfd; }

/* Badges */
.badge-fonction {
  display: inline-block;
  background: #eaf2fb; color: var(--uac-primary);
  border-radius: 999px;
  padding: .25rem .7rem;
  font-size: .75rem; font-weight: 600;
}

/* ==========================================================================
   Boutons
   ========================================================================== */
.btn {
  border-radius: 10px;
  font-weight: 600;
  padding: .5rem 1rem;
  transition: transform .12s ease, box-shadow .2s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary, .btn-primary-uac {
  background: linear-gradient(135deg, var(--uac-primary), var(--uac-primary-2));
  border-color: var(--uac-primary);
  color: #fff;
  box-shadow: 0 6px 16px -8px rgba(10,61,98,.55);
}
.btn-primary:hover, .btn-primary-uac:hover {
  background: linear-gradient(135deg, var(--uac-primary-2), var(--uac-primary-3));
  border-color: var(--uac-primary-2);
  color: #fff;
}
.btn-outline-primary { color: var(--uac-primary); border-color: var(--uac-primary); }
.btn-outline-primary:hover { background: var(--uac-primary); border-color: var(--uac-primary); color: #fff; }
.btn-success { background: var(--uac-success); border-color: var(--uac-success); }
.btn-warning { background: var(--uac-warning); border-color: var(--uac-warning); color: #fff; }
.btn-danger  { background: var(--uac-danger);  border-color: var(--uac-danger); }

.text-primary { color: var(--uac-primary) !important; }
.bg-primary   { background: var(--uac-primary) !important; }

/* ==========================================================================
   Formulaires
   ========================================================================== */
.form-control, .form-select {
  border: 1px solid var(--uac-border);
  border-radius: 10px;
  padding: .55rem .85rem;
  background: #fff;
  transition: all .15s ease;
}
.form-control:focus, .form-select:focus {
  border-color: var(--uac-primary);
  box-shadow: 0 0 0 3px rgba(10,61,98,.12);
}
.form-label { font-weight: 600; font-size: .88rem; color: #334155; margin-bottom: .35rem; }

/* ==========================================================================
   Login / Auth
   ========================================================================== */
.auth-body {
  font-family: 'Inter','Segoe UI',sans-serif;
  background:
    radial-gradient(at 20% 10%, rgba(30,136,229,.28), transparent 50%),
    radial-gradient(at 80% 90%, rgba(239,156,0,.18), transparent 50%),
    linear-gradient(135deg, #0a3d62 0%, #0e3b6b 60%, #0c4a6e 100%);
  min-height: 100vh;
}
.auth-wrapper {
  min-height: 100vh;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  padding: 1.5rem;
}
.auth-card {
  width: 100%; max-width: 460px;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 18px;
  padding: 2.5rem 2.25rem;
  box-shadow: 0 25px 60px -15px rgba(2,12,40,.55);
}
.auth-logo {
  width: 72px; height: 72px; margin: 0 auto;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--uac-primary), var(--uac-primary-3));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  box-shadow: 0 10px 25px -8px rgba(10,61,98,.6);
}
.auth-card h1, .auth-card h4 {
  font-weight: 700; color: #0f172a; letter-spacing: -.01em;
}
.auth-subtitle { color: #64748b; font-size: .92rem; }

.input-group-modern {
  border: 1px solid #e2e8f0;
  border-radius: 12px; overflow: hidden;
  background: #fff; transition: all .2s;
}
.input-group-modern:focus-within {
  border-color: var(--uac-primary);
  box-shadow: 0 0 0 3px rgba(10,61,98,.12);
}
.input-group-modern .input-group-text {
  background: transparent; border: none; color: #64748b;
}
.input-group-modern .form-control {
  border: none; box-shadow: none !important;
  padding: .65rem .5rem; font-size: .95rem;
}
.btn-toggle-pass {
  background: transparent; border: none; color: #64748b; padding: 0 .85rem;
}
.btn-toggle-pass:hover { color: var(--uac-primary); }

.btn-auth-primary {
  background: linear-gradient(135deg, var(--uac-primary), var(--uac-primary-2));
  border: none; color: #fff; border-radius: 10px;
  padding: .7rem 1.2rem; font-weight: 600;
  box-shadow: 0 8px 20px -6px rgba(10,61,98,.5);
  transition: transform .15s ease, box-shadow .2s ease;
  width: 100%;
}
.btn-auth-primary:hover {
  transform: translateY(-1px); color: #fff;
  background: linear-gradient(135deg, var(--uac-primary-2), var(--uac-primary-3));
  box-shadow: 0 12px 24px -6px rgba(10,61,98,.6);
}

/* compat avec ancien style */
.alert-danger-pro {
  background: #fef2f2; border: 1px solid #fecaca; color: #991b1b;
  border-radius: 10px; padding: .75rem 1rem; font-size: .9rem;
}

/* ==========================================================================
   Footer moderne (inspiré mission)
   ========================================================================== */
.site-footer, .uac-footer {
  margin-top: 3rem;
  background: linear-gradient(135deg, #0a3d62 0%, #1e5d8a 50%, #0d6efd 100%);
  color: rgba(255,255,255,.92);
  border-top: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 -6px 20px -10px rgba(11,61,145,.45);
  flex-shrink: 0;
  padding: 0;
}
.site-footer p, .site-footer .container { color: rgba(255,255,255,.92); }
.site-footer a { color: rgba(255,255,255,.92); text-decoration: none; }
.site-footer a:hover { color: #fff; opacity: .9; }

/* ==========================================================================
   Pagination Bootstrap
   ========================================================================== */
.pagination .page-link {
  color: var(--uac-primary);
  border-color: var(--uac-border);
  border-radius: 8px; margin: 0 2px;
}
.pagination .page-item.active .page-link {
  background: var(--uac-primary);
  border-color: var(--uac-primary);
  color: #fff;
}

/* ==========================================================================
   Scrollbar discrète
   ========================================================================== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #eef2f7; }
::-webkit-scrollbar-thumb { background: #c5d0dd; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #93a4b8; }

/* ==========================================================================
   Responsive — sidebar collapsable mobile
   ========================================================================== */
@media (max-width: 767.98px) {
  .sidebar {
    position: relative; top: 0;
    min-height: auto;
  }
  section.col-md-9 { min-height: auto; }
  .stat-card .stat-value { font-size: 1.5rem; }
}