/* =========================================================
   SIGAN-UAC — Admin UI (v25)
   Style moderne, élégant, humanisé
   ========================================================= */

:root {
    --uac-primary:        #0a3d62;
    --uac-primary-600:    #0c4a78;
    --uac-primary-700:    #093252;
    --uac-secondary:      #1e6091;
    --uac-accent:         #f6b73c;
    --uac-accent-soft:    #fff4dc;

    --bg-app:             #f4f6fb;
    --bg-surface:         #ffffff;
    --bg-soft:            #f8fafc;
    --border-soft:        #e7ebf2;

    --text-strong:        #0f1e34;
    --text-default:       #2b3a55;
    --text-muted:         #6b7a93;

    --radius-sm: 8px;
    --radius:    14px;
    --radius-lg: 20px;

    --shadow-xs: 0 1px 2px rgba(15, 30, 52, .04);
    --shadow-sm: 0 4px 12px -4px rgba(15, 30, 52, .08);
    --shadow-md: 0 12px 32px -12px rgba(15, 30, 52, .18);
    --shadow-lg: 0 24px 60px -24px rgba(10, 61, 98, .28);

    --gradient-primary: linear-gradient(135deg, #0a3d62 0%, #1e6091 60%, #2a86c4 100%);
    --gradient-accent:  linear-gradient(135deg, #f6b73c 0%, #f59e0b 100%);
}

* { -webkit-font-smoothing: antialiased; }

body {
    font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-app);
    color: var(--text-default);
    font-feature-settings: "cv02","cv03","cv04","cv11";
}

a { color: var(--uac-secondary); }
a:hover { color: var(--uac-primary); }

h1, h2, h3, h4, h5 { color: var(--text-strong); font-weight: 600; letter-spacing: -0.01em; }

/* ===================== Top navbar ===================== */
.app-topbar {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
    border: none;
    padding: .65rem 1.25rem;
}
.app-topbar .navbar-brand {
    display: inline-flex; align-items: center; gap: .65rem;
    color: #fff; font-weight: 700; letter-spacing: -.01em;
}
.app-topbar .brand-mark {
    width: 36px; height: 36px; border-radius: 10px;
    background: rgba(255,255,255,.16);
    display: inline-flex; align-items: center; justify-content: center;
    backdrop-filter: blur(6px);
    font-size: 1.05rem;
}
.app-topbar .user-chip {
    display: inline-flex; align-items: center; gap: .55rem;
    background: rgba(255,255,255,.12);
    padding: .35rem .75rem;
    border-radius: 999px;
    color: #fff; font-size: .85rem;
}
.app-topbar .user-chip .avatar {
    width: 26px; height: 26px; border-radius: 50%;
    background: var(--uac-accent); color: var(--uac-primary-700);
    font-weight: 700; font-size: .75rem;
    display: inline-flex; align-items: center; justify-content: center;
}
.app-topbar .btn-logout {
    border: 1px solid rgba(255,255,255,.35);
    color: #fff; background: transparent;
    border-radius: 999px; padding: .35rem .85rem; font-size: .82rem;
    transition: all .2s ease;
}
.app-topbar .btn-logout:hover { background: rgba(255,255,255,.15); }

/* ===================== Sidebar ===================== */
.app-shell { display: flex; min-height: calc(100vh - 60px); }
.app-sidebar {
    width: 260px; flex-shrink: 0;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-soft);
    padding: 1.25rem .75rem;
}
.app-sidebar .side-section {
    font-size: .7rem; text-transform: uppercase; letter-spacing: .12em;
    color: var(--text-muted); padding: .5rem .85rem .35rem; font-weight: 600;
}
.app-sidebar .side-link {
    display: flex; align-items: center; gap: .75rem;
    padding: .65rem .85rem; margin: .15rem 0;
    border-radius: 10px;
    color: var(--text-default); text-decoration: none;
    font-size: .92rem; font-weight: 500;
    transition: all .18s ease;
    position: relative;
}
.app-sidebar .side-link i { font-size: 1.05rem; color: var(--text-muted); transition: color .18s; }
.app-sidebar .side-link:hover { background: var(--bg-soft); color: var(--uac-primary); }
.app-sidebar .side-link:hover i { color: var(--uac-primary); }
.app-sidebar .side-link.active {
    background: linear-gradient(135deg, rgba(10,61,98,.08), rgba(30,96,145,.04));
    color: var(--uac-primary); font-weight: 600;
}
.app-sidebar .side-link.active i { color: var(--uac-primary); }
.app-sidebar .side-link.active::before {
    content: ""; position: absolute; left: -.75rem; top: 20%; bottom: 20%;
    width: 3px; border-radius: 3px; background: var(--uac-primary);
}

.app-main { flex: 1; padding: 1.75rem 2rem; min-width: 0; }

/* ===================== Page header ===================== */
.page-header {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap;
}
.page-header h1 {
    font-size: 1.55rem; margin: 0; font-weight: 700;
}
.page-header .sub { color: var(--text-muted); font-size: .9rem; margin-top: .25rem; }

/* ===================== Cards ===================== */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xs);
}
.card-header {
    background: transparent !important;
    border-bottom: 1px solid var(--border-soft);
    padding: 1rem 1.25rem;
    font-weight: 600; color: var(--text-strong);
}
.card-body { padding: 1.25rem; }

/* Stats cards (dashboard) */
.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 1.1rem 1.25rem;
    display: flex; align-items: center; gap: 1rem;
    transition: transform .2s ease, box-shadow .2s ease;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-card .stat-icon {
    width: 52px; height: 52px; border-radius: 14px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.5rem; flex-shrink: 0;
}
.stat-card .stat-icon.c-primary { background: rgba(10,61,98,.10);  color: var(--uac-primary); }
.stat-card .stat-icon.c-warning { background: rgba(246,183,60,.18); color: #b67708; }
.stat-card .stat-icon.c-success { background: rgba(16,185,129,.14); color: #059669; }
.stat-card .stat-icon.c-info    { background: rgba(14,165,233,.14); color: #0284c7; }
.stat-card .stat-icon.c-danger  { background: rgba(239,68,68,.14);  color: #dc2626; }
.stat-card .stat-label { color: var(--text-muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.stat-card .stat-value { font-size: 1.7rem; font-weight: 700; color: var(--text-strong); line-height: 1.1; }

/* ===================== Toolbar (search + page size) ===================== */
.table-toolbar {
    display: flex; align-items: center; gap: .75rem;
    padding: .85rem 1rem;
    border-bottom: 1px solid var(--border-soft);
    background: var(--bg-soft);
    border-top-left-radius: var(--radius);
    border-top-right-radius: var(--radius);
    flex-wrap: wrap;
}
.table-toolbar .search {
    position: relative; flex: 1; min-width: 220px; max-width: 420px;
}
.table-toolbar .search input {
    padding-left: 2.25rem; border-radius: 999px;
    border: 1px solid var(--border-soft); background: #fff;
    height: 38px;
}
.table-toolbar .search i {
    position: absolute; left: .85rem; top: 50%; transform: translateY(-50%);
    color: var(--text-muted);
}
.table-toolbar .spacer { flex: 1; }
.table-toolbar .size-select {
    display: inline-flex; align-items: center; gap: .5rem;
    color: var(--text-muted); font-size: .85rem;
}
.table-toolbar .size-select select {
    border-radius: 8px; border: 1px solid var(--border-soft); height: 36px;
    background: #fff; padding: 0 .55rem;
}

/* ===================== Tables ===================== */
.table {
    margin-bottom: 0;
    color: var(--text-default);
}
.table > :not(caption) > * > * { background: transparent; }
.table thead th {
    background: var(--bg-soft);
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: .72rem; letter-spacing: .08em; font-weight: 700;
    border-bottom: 1px solid var(--border-soft);
    padding: .85rem 1rem;
    white-space: nowrap;
}
.table tbody td {
    padding: .9rem 1rem;
    border-bottom: 1px solid var(--border-soft);
    vertical-align: middle;
    font-size: .92rem;
}
.table tbody tr { transition: background .15s ease; }
.table tbody tr:hover { background: rgba(10,61,98,.025); }
.table tbody tr:last-child td { border-bottom: none; }

/* Identity cell */
.cell-identity { display: flex; align-items: center; gap: .65rem; }
.cell-identity .avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: linear-gradient(135deg, #dbe7f3, #b3cce4);
    color: var(--uac-primary-700);
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .78rem; flex-shrink: 0;
}
.cell-identity .who-name { font-weight: 600; color: var(--text-strong); line-height: 1.2; }
.cell-identity .who-sub  { font-size: .78rem; color: var(--text-muted); }

/* ===================== Badges ===================== */
.badge {
    font-weight: 600; padding: .35em .7em; border-radius: 999px;
    font-size: .72rem; letter-spacing: .02em;
}
.badge.bg-success { background: rgba(16,185,129,.14) !important; color: #059669; }
.badge.bg-secondary { background: rgba(107,122,147,.16) !important; color: #475569; }
.badge.bg-warning { background: rgba(246,183,60,.20) !important; color: #b67708; }
.badge.bg-danger  { background: rgba(239,68,68,.14) !important; color: #dc2626; }
.badge.bg-info    { background: rgba(14,165,233,.14) !important; color: #0284c7; }
.badge.bg-primary { background: rgba(10,61,98,.12) !important; color: var(--uac-primary); }

/* ===================== Buttons ===================== */
.btn { border-radius: 10px; font-weight: 500; transition: all .18s ease; }
.btn-primary {
    background: var(--gradient-primary); border: none; color: #fff;
    box-shadow: 0 6px 18px -8px rgba(10,61,98,.55);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -10px rgba(10,61,98,.6); background: var(--gradient-primary); }
.btn-outline-primary { border-color: var(--uac-primary); color: var(--uac-primary); }
.btn-outline-primary:hover { background: var(--uac-primary); color: #fff; }
.btn-outline-danger { border-color: #ef4444; color: #ef4444; }
.btn-outline-danger:hover { background: #ef4444; color: #fff; }
.btn-icon { width: 34px; height: 34px; padding: 0; display: inline-flex; align-items: center; justify-content: center; }

/* ===================== Forms ===================== */
.form-label { font-weight: 500; color: var(--text-strong); font-size: .85rem; margin-bottom: .35rem; }
.form-control, .form-select {
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    padding: .55rem .8rem;
    font-size: .93rem;
    background: #fff;
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus, .form-select:focus {
    border-color: var(--uac-secondary);
    box-shadow: 0 0 0 3px rgba(30,96,145,.15);
}
.form-check-input:checked { background-color: var(--uac-primary); border-color: var(--uac-primary); }

/* ===================== Modals (modern) ===================== */
.modal-content {
    border: none; border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg); overflow: hidden;
}
.modal-header {
    border-bottom: 1px solid var(--border-soft);
    padding: 1.1rem 1.5rem;
    background: var(--bg-soft);
}
.modal-title { font-weight: 700; color: var(--text-strong); display: flex; align-items: center; gap: .55rem; }
.modal-title .icon-bubble {
    width: 36px; height: 36px; border-radius: 10px;
    background: rgba(10,61,98,.10); color: var(--uac-primary);
    display: inline-flex; align-items: center; justify-content: center;
}
.modal-body { padding: 1.5rem; }
.modal-footer { border-top: 1px solid var(--border-soft); padding: 1rem 1.5rem; background: var(--bg-soft); }
.modal.fade .modal-dialog { transform: translateY(8px) scale(.98); transition: transform .25s ease, opacity .25s ease; }
.modal.show .modal-dialog  { transform: translateY(0) scale(1); }

/* ===================== Pagination ===================== */
.pagination-wrap {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; flex-wrap: wrap;
    padding: .85rem 1rem;
    border-top: 1px solid var(--border-soft);
    background: var(--bg-soft);
    border-bottom-left-radius: var(--radius);
    border-bottom-right-radius: var(--radius);
}
.pagination-info { color: var(--text-muted); font-size: .85rem; }
.pagination-info strong { color: var(--text-strong); }
.pager { display: inline-flex; align-items: center; gap: .25rem; flex-wrap: wrap; }
.pager .pg-btn {
    min-width: 36px; height: 36px; padding: 0 .65rem;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 10px; border: 1px solid transparent;
    background: transparent; color: var(--text-default);
    font-size: .88rem; font-weight: 500;
    cursor: pointer; transition: all .15s ease;
}
.pager .pg-btn:hover:not([disabled]):not(.active) {
    background: #fff; border-color: var(--border-soft);
    color: var(--uac-primary);
}
.pager .pg-btn.active {
    background: var(--gradient-primary); color: #fff;
    box-shadow: 0 4px 12px -4px rgba(10,61,98,.5);
}
.pager .pg-btn[disabled] { opacity: .4; cursor: not-allowed; }
.pager .pg-ellipsis { color: var(--text-muted); padding: 0 .25rem; user-select: none; }

/* ===================== Alerts ===================== */
.alert {
    border-radius: var(--radius); border: none;
    padding: .85rem 1.1rem; font-size: .9rem;
    display: flex; align-items: center; gap: .6rem;
}
.alert-success { background: rgba(16,185,129,.10); color: #047857; }
.alert-danger  { background: rgba(239,68,68,.10);  color: #b91c1c; }
.alert-warning { background: rgba(246,183,60,.16); color: #92520c; }
.alert-info    { background: rgba(14,165,233,.10); color: #0369a1; }

/* ===================== Empty state ===================== */
.empty-state {
    text-align: center; padding: 3rem 1rem; color: var(--text-muted);
}
.empty-state i { font-size: 2.5rem; opacity: .35; margin-bottom: .75rem; display: block; }

/* ===================== Responsive ===================== */
@media (max-width: 991.98px) {
    .app-sidebar { position: fixed; left: -280px; top: 60px; bottom: 0; z-index: 1040; transition: left .25s ease; box-shadow: var(--shadow-md); }
    .app-sidebar.open { left: 0; }
    .app-main { padding: 1.25rem; }
    .sidebar-backdrop {
        position: fixed; inset: 60px 0 0 0; background: rgba(15,30,52,.4); z-index: 1030;
        opacity: 0; pointer-events: none; transition: opacity .2s;
    }
    .sidebar-backdrop.show { opacity: 1; pointer-events: auto; }
}
@media (min-width: 992px) { .btn-toggle-sidebar { display: none; } }