/* ═══ responsive.css — Tablet (768px), hamburger menu, touch ═══ */

/* ─── Tablet portrait (768px): sidebar slide-in ─── */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -240px;
        transform: translateX(-100%);
        width: 240px !important;
        transition: left 0.3s ease, transform 0.3s ease;
        z-index: 1000;
    }
    .sidebar.collapsed { left: -240px; width: 240px !important; transform: translateX(-100%); }
    .sidebar.open,
    .sidebar.mobile-open { left: 0 !important; transform: translateX(0); }
    .sidebar.mobile-open .nav-item span,
    .sidebar.mobile-open .sidebar-header h2,
    .sidebar.mobile-open .sidebar-header .prompt,
    .sidebar.mobile-open .sidebar-date,
    .sidebar.mobile-open .sidebar-stats,
    .sidebar.mobile-open .sidebar-clock { display: block; }

    .main,
    .main-area {
        margin-left: 0 !important;
        max-width: 100% !important;
        padding: var(--space-4) !important;
        padding-top: 44px !important;
    }

    .main-content {
        padding: var(--space-4) !important;
    }

    /* Cards: padding reducido */
    .metric-card,
    .project-kpi-card,
    .panel {
        padding: var(--space-3) !important;
    }

    /* Hamburger menu */
    .mobile-menu-btn { display: flex !important; }

    /* Sidebar overlay */
    .sidebar-overlay { display: none; }
    .sidebar.mobile-open ~ .sidebar-overlay { display: block; }

    /* Modal: respecto al viewport */
    .modal {
        max-width: calc(100vw - var(--space-8)) !important;
    }

    /* Modales full-width */
    .doc-modal-box, .duration-modal-box, .acc-modal-box, .map-modal-box {
        width: 95vw !important;
        max-width: none !important;
        max-height: 85vh !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }

    /* Touch scroll para tablas */
    .gantt-container, #docs-list { overflow-x: auto; -webkit-overflow-scrolling: touch; }

    /* Ocultar undo-redo en mobile */
    #undo-redo-bar { display: none !important; }

    /* Notification bell ajustar posición */
    #notification-bell { top: 8px; right: 8px; }
}

/* ─── Ocultar hamburger en desktop ─── */
@media (min-width: 769px) {
    .mobile-menu-btn { display: none !important; }
    .sidebar-overlay { display: none !important; }
}

/* ─── Mobile menu button base style ─── */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: var(--space-2); left: var(--space-2);
    z-index: 1001;
    width: 36px; height: 36px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 16px;
}

/* ─── Sidebar overlay ─── */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

/* ─── Touch improvements ─── */
@media (pointer: coarse) {
    .doc-card { padding: 10px 12px; }
    .nav-item { padding: 12px 16px; }
    select.input-field { padding: 8px; }
    .cal-crono-chip { padding: 8px 10px; }
}