/* ═══════════════════════════════════════════════════════════════
   TUNET – Responsive CSS (mobile-first)
═══════════════════════════════════════════════════════════════ */

/* ─── Tablette (≤ 1024px) ───────────────────────────────────── */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* ─── Mobile (≤ 768px) ──────────────────────────────────────── */
@media (max-width: 768px) {

    /* Sidebar mobile */
    .sidebar {
        left: calc(var(--sidebar-width) * -1);
        box-shadow: none;
    }

    .sidebar.open {
        left: 0;
        box-shadow: var(--shadow-xl);
    }

    .sidebar-overlay.open {
        display: block;
    }

    .sidebar-close-btn {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    /* Contenu */
    .main-content {
        margin-left: 0;
    }

    .topbar {
        padding: 0 1rem;
    }

    .topbar-title {
        font-size: 1rem;
    }

    .page-content {
        padding: 1.25rem 1rem;
    }

    /* Grilles */
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .grid-auto {
        grid-template-columns: 1fr;
    }

    /* Page header */
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .page-header-actions {
        width: 100%;
    }

    .page-header-actions .btn {
        width: 100%;
        justify-content: center;
    }

    /* Filter bar */
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-bar .form-control {
        width: 100%;
    }

    .filter-bar .btn {
        width: 100%;
        justify-content: center;
    }

    /* Cards */
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    /* Stat cards */
    .stat-value { font-size: 1.5rem; }
    .stat-value.large { font-size: 1.875rem; }

    /* Tables */
    .tunet-table th,
    .tunet-table td {
        padding: 0.75rem 0.625rem;
        font-size: 0.8125rem;
    }

    /* Hide less-important table columns on mobile */
    .hide-mobile {
        display: none;
    }

    /* Modal */
    .modal-backdrop {
        padding: 0;
        align-items: flex-end;
    }

    .modal {
        max-width: 100%;
        max-height: 92vh;
        border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
        animation: modalInMobile 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    @keyframes modalInMobile {
        from { transform: translateY(100%); }
        to   { transform: translateY(0); }
    }

    /* Login */
    .login-card {
        padding: 2rem 1.5rem;
        border-radius: var(--border-radius);
        box-shadow: none;
        border: none;
        max-width: 100%;
    }

    /* Calendar */
    .calendar-grid {
        gap: 1px;
    }

    .calendar-day {
        min-height: 60px;
        font-size: 0.75rem;
    }

    .calendar-nav {
        flex-direction: column;
        gap: 0.75rem;
    }

    /* Charts */
    .chart-container {
        height: 220px !important;
    }

    /* Toast */
    .toast-container {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
    }

    .toast {
        max-width: 100%;
    }

    /* Pagination */
    .pagination {
        justify-content: center;
    }
}

/* ─── Très petit mobile (≤ 400px) ──────────────────────────── */
@media (max-width: 400px) {
    :root {
        --topbar-height: 56px;
    }

    .btn { font-size: 0.8125rem; padding: 0.5rem 1rem; }
    h1 { font-size: 1.5rem; }
    .stat-value { font-size: 1.375rem; }
}

/* ─── Desktop large (≥ 1280px) ─────────────────────────────── */
@media (min-width: 1280px) {
    .page-content {
        padding: 2rem 2.25rem;
    }

    .grid-4 { grid-template-columns: repeat(4, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ─── Print ─────────────────────────────────────────────────── */
@media print {
    .sidebar,
    .topbar,
    .btn,
    .modal-backdrop {
        display: none !important;
    }

    .main-content {
        margin-left: 0;
    }

    .page-content {
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}