/* ==========================================================================
   JSBILLING - STYLE PARTAGE ESPACE CLIENT / ADMIN
   Cohérent avec le design du site principal (bleu/cyan, Inter, cartes arrondies)
   ========================================================================== */

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

:root {
    --blue: #2563eb;
    --cyan: #06b6d4;
    --dark: #1a1a2e;
    --gray-text: #4a5568;
    --gray-light: #f8fafc;
    --border: #e5e7eb;
    --green: #22c55e;
    --orange: #f59e0b;
    --red: #ef4444;
    --purple: #7c3aed;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--dark);
    background: var(--gray-light);
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== LAYOUT GENERAL (sidebar + contenu) ===== */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background: #fff;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 24px 20px;
    font-weight: 800;
    font-size: 20px;
    border-bottom: 1px solid var(--border);
}
.sidebar-logo .logo-icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 16px;
}
.sidebar-logo .logo-sub {
    font-size: 10px; font-weight: 500; color: var(--cyan);
    display: block; margin-top: -2px;
}

.sidebar-nav { flex: 1; padding: 16px 12px; overflow-y: auto; }
.sidebar-nav a {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 14px; border-radius: 10px;
    font-size: 14px; font-weight: 500; color: var(--gray-text);
    margin-bottom: 4px; transition: all .2s;
}
.sidebar-nav a i { width: 18px; text-align: center; font-size: 15px; }
.sidebar-nav a:hover { background: #f0f4ff; color: var(--blue); }
.sidebar-nav a.active { background: linear-gradient(135deg, var(--blue), var(--cyan)); color: #fff; }
.sidebar-nav .nav-section-title {
    font-size: 11px; text-transform: uppercase; letter-spacing: .5px;
    color: #94a3b8; padding: 16px 14px 6px;
    font-weight: 700;
}

.sidebar-footer { padding: 16px 12px; border-top: 1px solid var(--border); }
.sidebar-footer a {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 14px; border-radius: 10px;
    font-size: 14px; font-weight: 500; color: var(--red);
}
.sidebar-footer a:hover { background: #fef2f2; }

.main-content { flex: 1; margin-left: 250px; padding: 0; }

.topbar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 18px 32px;
    display: flex; align-items: center; justify-content: space-between;
    position: sticky; top: 0; z-index: 50;
}
.topbar h1 { font-size: 20px; font-weight: 800; }
.topbar-user { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--gray-text); }
.topbar-user .avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 14px;
}

.lang-switch-link {
    display: flex; align-items: center; gap: 6px;
    padding: 7px 12px; border-radius: 8px;
    font-size: 13px; font-weight: 700; color: var(--gray-text);
    border: 1px solid var(--border);
    transition: all .2s;
    flex-shrink: 0;
}
.lang-switch-link:hover { background: #f0f4ff; color: var(--blue); border-color: var(--blue); }

.page-body { padding: 28px 32px; max-width: 1300px; }

/* ===== MOBILE TOGGLE ===== */
.mobile-toggle {
    display: none;
    background: none; border: none; color: var(--dark);
    cursor: pointer;
    width: 40px; height: 40px;
    align-items: center; justify-content: center;
    flex-shrink: 0;
    border-radius: 8px;
    position: relative;
}
.mobile-toggle:hover { background: var(--gray-light); }
/* Icône hamburger en CSS pur (3 barres) : s'affiche même si Font Awesome ne charge pas */
.mobile-toggle span {
    display: block;
    width: 20px; height: 2px;
    background: currentColor;
    border-radius: 2px;
    position: relative;
}
.mobile-toggle span::before,
.mobile-toggle span::after {
    content: '';
    position: absolute;
    left: 0;
    width: 20px; height: 2px;
    background: currentColor;
    border-radius: 2px;
}
.mobile-toggle span::before { top: -6px; }
.mobile-toggle span::after { top: 6px; }

/* Overlay sombre derrière la sidebar quand elle est ouverte en mobile */
.sidebar-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 99;
}
.sidebar-overlay.show { display: block; }

@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform .3s;
        width: 270px;
        max-width: 82vw;
        z-index: 200;
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; width: 100%; min-width: 0; }
    .mobile-toggle { display: flex; }
    .page-body { padding: 16px; }
    .topbar { padding: 12px 16px; gap: 10px; }
    .topbar h1 { font-size: 17px; line-height: 1.25; }
    .topbar-user span { display: none; } /* cache le nom complet, garde juste l'avatar */
    .topbar-user { gap: 8px; }
}

@media (max-width: 480px) {
    .topbar h1 {
        font-size: 15px;
        max-width: 140px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .lang-switch-link span { display: none; }
    .lang-switch-link { padding: 7px 9px; }
    .page-body { padding: 12px; }
}

/* ===== CARDS / STATS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}
.stat-card {
    background: #fff; border-radius: 16px; padding: 22px;
    border: 1px solid var(--border);
    display: flex; align-items: center; gap: 16px;
    min-width: 0;
}
.stat-card .icon-box {
    width: 50px; height: 50px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: #fff; flex-shrink: 0;
}
.stat-card .value { font-size: 24px; font-weight: 800; color: var(--dark); word-break: break-word; }
.stat-card .label { font-size: 13px; color: var(--gray-text); }

@media (max-width: 600px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .stat-card { padding: 14px; gap: 10px; flex-wrap: wrap; }
    .stat-card .icon-box { width: 40px; height: 40px; font-size: 16px; }
    .stat-card .value { font-size: 18px; }
    .stat-card .label { font-size: 11px; }
}
@media (max-width: 360px) {
    .stats-grid { grid-template-columns: 1fr; }
}

.card {
    background: #fff; border-radius: 16px; padding: 24px;
    border: 1px solid var(--border);
    margin-bottom: 24px;
    min-width: 0;
}
.card h3 {
    font-size: 16px; font-weight: 700; margin-bottom: 18px;
    display: flex; align-items: center; gap: 8px;
}
@media (max-width: 600px) {
    .card { padding: 16px; border-radius: 12px; }
}

/* ===== TABLES ===== */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data-table th {
    text-align: left; padding: 12px 14px; background: var(--gray-light);
    font-weight: 700; color: var(--gray-text); font-size: 12px;
    text-transform: uppercase; letter-spacing: .4px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
table.data-table td {
    padding: 14px; border-bottom: 1px solid #f1f5f9; color: var(--dark);
}
table.data-table tr:hover td { background: #fafbff; }
table.data-table .muted { color: #94a3b8; font-size: 13px; }

@media (max-width: 600px) {
    table.data-table { font-size: 13px; }
    table.data-table th, table.data-table td { padding: 10px; }
}

/* ===== TABLEAU -> CARTES sur mobile, pour les tableaux trop denses
   (ex: Services). Ajouter la classe .stack-on-mobile sur .table-wrap. ===== */
@media (max-width: 700px) {
    .stack-on-mobile table.data-table thead { display: none; }
    .stack-on-mobile table.data-table,
    .stack-on-mobile table.data-table tbody,
    .stack-on-mobile table.data-table tr,
    .stack-on-mobile table.data-table td { display: block; width: 100%; }
    .stack-on-mobile table.data-table tr {
        border: 1px solid var(--border);
        border-radius: 12px;
        padding: 14px;
        margin-bottom: 12px;
        background: #fff;
    }
    .stack-on-mobile table.data-table td {
        padding: 6px 0;
        border-bottom: none;
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        gap: 12px;
        text-align: right;
    }
    .stack-on-mobile table.data-table td > *:not(.muted, br) {
        text-align: right;
    }
    .stack-on-mobile table.data-table td::before {
        content: attr(data-label);
        font-size: 11px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: .4px;
        color: var(--gray-text);
        text-align: left;
        flex-shrink: 0;
    }
    .stack-on-mobile table.data-table td:first-child {
        border-bottom: 1px solid #f1f5f9;
        padding-bottom: 10px;
        margin-bottom: 6px;
    }
    .stack-on-mobile .table-wrap { overflow-x: visible; }
}

.badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 5px 11px; border-radius: 20px; font-size: 12px; font-weight: 700;
    color: #fff;
    white-space: nowrap;
}

.empty-state {
    text-align: center; padding: 50px 20px; color: #94a3b8;
}
.empty-state i { font-size: 40px; margin-bottom: 14px; display: block; }
@media (max-width: 600px) {
    .empty-state { padding: 32px 16px; }
}

/* ===== FORMS ===== */
.form-group { margin-bottom: 18px; min-width: 0; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: #374151; margin-bottom: 7px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%; padding: 12px 14px; border: 2px solid var(--border);
    border-radius: 10px; font-size: 14px; font-family: 'Inter', sans-serif;
    outline: none; transition: border-color .2s; background: #fff; color: var(--dark);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--blue); }
.form-group textarea { resize: vertical; min-height: 90px; }

@media (max-width: 600px) {
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .form-group input, .form-group select, .form-group textarea { font-size: 16px; } /* évite le zoom auto iOS */
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 22px; border-radius: 10px; font-size: 14px; font-weight: 700;
    border: none; cursor: pointer; transition: all .2s; font-family: 'Inter', sans-serif;
    white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--blue), var(--cyan)); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(37,99,235,.3); }
.btn-outline { background: #fff; color: var(--blue); border: 2px solid var(--blue); }
.btn-outline:hover { background: #f0f4ff; }
.btn-danger { background: #fef2f2; color: var(--red); }
.btn-danger:hover { background: #fee2e2; }
.btn-sm { padding: 7px 14px; font-size: 12px; border-radius: 8px; }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-block { width: 100%; }

@media (max-width: 600px) {
    .btn { padding: 11px 16px; font-size: 13px; }
}

/* ===== AUTH PAGES (login/register) ===== */
.auth-wrapper {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #f0f4ff 0%, #e0f7fa 100%);
    padding: 20px;
}
.auth-box {
    background: #fff; border-radius: 20px; padding: 40px;
    width: 100%; max-width: 440px;
    box-shadow: 0 20px 60px rgba(0,0,0,.1);
}
.auth-logo {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    margin-bottom: 8px; font-weight: 800; font-size: 24px;
}
.auth-logo .logo-icon {
    width: 42px; height: 42px;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 18px;
}
.auth-subtitle { text-align: center; color: var(--gray-text); font-size: 14px; margin-bottom: 28px; }
.auth-switch { text-align: center; margin-top: 22px; font-size: 14px; color: var(--gray-text); }
.auth-switch a { color: var(--blue); font-weight: 700; }
.auth-back { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--gray-text); margin-bottom: 18px; }
.auth-back:hover { color: var(--blue); }

@media (max-width: 480px) {
    .auth-wrapper { padding: 12px; align-items: flex-start; padding-top: 32px; }
    .auth-box { padding: 24px 20px; border-radius: 16px; }
    .auth-logo { font-size: 20px; }
}

/* ===== ALERTS ===== */
.alert {
    padding: 14px 16px; border-radius: 10px; font-size: 14px; margin-bottom: 18px;
    display: flex; align-items: flex-start; gap: 10px;
    flex-wrap: wrap;
}
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

/* ===== MODALS ===== */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.5);
    display: none; align-items: center; justify-content: center;
    z-index: 2000; padding: 20px;
}
.modal-overlay.show { display: flex; }
.modal-box {
    background: #fff; border-radius: 18px; max-width: 480px; width: 100%;
    padding: 28px; max-height: 90vh; overflow-y: auto;
}
.modal-box h3 { font-size: 18px; font-weight: 800; margin-bottom: 18px; }

@media (max-width: 480px) {
    .modal-overlay { padding: 0; align-items: flex-end; }
    .modal-box {
        border-radius: 18px 18px 0 0;
        max-height: 92vh;
        padding: 20px;
        max-width: 100%;
    }
}

/* ===== MISC ===== */
.page-title-row {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 22px; flex-wrap: wrap; gap: 12px;
}
.page-title-row h2 { font-size: 22px; font-weight: 800; }
.text-muted { color: #94a3b8; }
.flex-gap { display: flex; gap: 10px; flex-wrap: wrap; }

@media (max-width: 600px) {
    .page-title-row h2 { font-size: 18px; }
    .page-title-row .btn { width: 100%; }
}

.pagination { display: flex; gap: 6px; margin-top: 18px; justify-content: center; flex-wrap: wrap; }
.pagination a, .pagination span {
    padding: 8px 13px; border-radius: 8px; font-size: 13px; font-weight: 600;
    border: 1px solid var(--border); color: var(--gray-text);
}
.pagination a:hover { background: #f0f4ff; color: var(--blue); }
.pagination .active { background: var(--blue); color: #fff; border-color: var(--blue); }

.filters-bar { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.filters-bar select, .filters-bar input {
    padding: 10px 14px; border: 2px solid var(--border); border-radius: 10px;
    font-size: 13px; font-family: 'Inter', sans-serif; outline: none;
}
@media (max-width: 600px) {
    .filters-bar { flex-direction: column; }
    .filters-bar select, .filters-bar input, .filters-bar button { width: 100%; }
}

/* ===== Conteneurs larges qui doivent rester scrollables horizontalement sur mobile
   plutôt que de déborder la page (ex: graphiques en barres, lignes de stats) ===== */
@media (max-width: 600px) {
    .scroll-x-mobile {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .ticket-bubble { max-width: 90% !important; }
}