/* ══════════════════════════════════════════════════════════════
   Responsive — tablet (768px) and phone (480px) breakpoints
   ══════════════════════════════════════════════════════════════ */

/* ── Tablet ── */
@media (max-width: 768px) {
    /* Layout: hide sidebars, show mobile UI.
       Uses `left` instead of `transform: translateX` because transform creates
       a containing block for fixed descendants + can confuse hit-testing on
       some mobile browsers. `left` is boring and reliable. */
    .sidebar-left { transform: none !important; left: -280px; width: 260px !important;
        z-index: 1002; transition: left .22s ease; }
    .sidebar-left.mobile-open { left: 0; }
    .sidebar-left.collapsed { width: 260px !important; }
    .sidebar-left.collapsed .brand-text { display: block; }
    .sidebar-left.collapsed .sidebar-user-details { display: block; }
    .sidebar-left.collapsed .nav-section-label { display: block; font-size: var(--font-size-xs); padding: 8px 16px 4px; }
    .sidebar-left.collapsed .sidebar-nav a span { display: inline; }
    .sidebar-left.collapsed .sidebar-nav a { justify-content: flex-start; padding: 8px 16px; border-left: 2px solid transparent; }
    .sidebar-collapse-btn { display: none; }
    .sidebar-right { display: none; }
    .ops-toggle-tab { display: none !important; }
    .main-content { margin-left: 0 !important; margin-right: 0 !important; padding-top: 56px; }
    .topbar-mobile { display: flex; }
    .nav-burger { display: flex; flex-direction: column; justify-content: center; }
    .bottom-bar { display: flex; }
    /* Backdrop covers topbar + bottom-bar so a tap anywhere outside the drawer closes it */
    .sidebar-backdrop { z-index: 1001; cursor: pointer; }
    .sidebar-backdrop.open { display: block; }
    /* Remove 300ms iOS tap delay on ALL interactive elements + feedback */
    a, button, [role="button"], input[type="submit"], input[type="button"] {
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(88,166,255,.15);
    }
    /* 44px min tap target inside the drawer per Apple HIG */
    .sidebar-nav a { padding: 12px 16px !important; min-height: 44px; }
    .strat-selector-btn { min-height: 44px; }
    .strat-dropdown-item { min-height: 44px; padding: 10px 12px !important; }

    /* Container */
    .container { padding: var(--space-3); padding-bottom: 72px; }
    .card { padding: 14px; }

    /* Grid systems */
    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr 1fr; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .kpi-row { grid-template-columns: repeat(3, 1fr); gap: var(--space-2); }
    .kpi { padding: 12px 8px; }
    .sleeve-grid { grid-template-columns: 1fr 1fr; }
    .rolling-grid { grid-template-columns: repeat(3, 1fr); }
    .risk-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .corr-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .exec-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .cockpit { grid-template-columns: 1fr; }
    .sched-grid { grid-template-columns: 1fr !important; }

    /* Typography */
    .metric .value { font-size: 22px; }
    .kpi .val { font-size: 20px; }

    /* Charts */
    .chart-md { height: 240px !important; }
    .chart-sm { height: 160px !important; }
    .chart-spark { height: 60px !important; }
    .market-prices-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)) !important; }
    .alloc-flex { flex-direction: column; align-items: center; }
    .alloc-flex #alloc-chart { width: 100% !important; max-width: 200px; min-height: 160px; }

    /* Modal / Toast */
    #modal-box { padding: 20px !important; }
    #toast-container { right: 12px; left: 12px; top: auto; bottom: 72px; }
    #toast-container > div { max-width: 100% !important; }

    /* Simulator tablet */
    .sim-grid { grid-template-columns: 1fr; }
    .sim-layout { grid-template-columns: 1fr; }
    .sim-header { flex-wrap: wrap; gap: var(--space-2); }
    .sim-annunciator { flex-wrap: wrap; gap: var(--space-1); padding: 6px 8px; }
    .ann-item { padding: 3px 6px; }
    .ann-label { font-size: 9px; }
    .sim-kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
    .sim-kpi .val { font-size: 14px; }
    .sim-market-grid { grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: 6px; }
    .sim-price { font-size: 14px; }
    .sim-score-layout { flex-direction: column; align-items: center; }
    .sim-score-metrics { width: 100%; }
    .sim-speed-ctrl { order: -1; }
    #sim-equity-chart { height: 160px !important; }
    .sim-deg-label { font-size: 8px; }
    .sim-left .card, .sim-right .card { margin-bottom: 10px; }
}

/* ── Phone ── */
@media (max-width: 480px) {
    .container { padding: var(--space-2); padding-bottom: 72px; }
    .card { padding: var(--space-3); border-radius: var(--radius-xl); }

    /* Grid systems */
    .kpi-row { grid-template-columns: repeat(2, 1fr); }
    .kpi .val { font-size: 18px; }
    .kpi .lbl { font-size: var(--font-size-xs); }
    .rolling-grid { grid-template-columns: repeat(2, 1fr); }
    .rolling-value { font-size: 16px !important; }
    .sleeve-grid { grid-template-columns: 1fr; }
    .sleeve .phase { font-size: 18px; }
    .risk-grid { grid-template-columns: 1fr !important; }
    .corr-grid { grid-template-columns: 1fr !important; }
    .exec-grid { grid-template-columns: 1fr !important; }

    /* Typography */
    .page-header h1, .header-row h1 { font-size: 18px; }
    .page-header, .header-row { margin: 10px 0; }
    .global-status #gs-mode { display: none; }
    .mini-kpi .val { font-size: 18px; }

    /* Charts */
    .chart-md { height: 200px !important; }
    .chart-sm { height: 140px !important; }
    .market-prices-grid { grid-template-columns: 1fr !important; }
    .phase-pipeline { display: none; }

    /* Simulator phone */
    .sim-header h1 { font-size: var(--font-size-lg); }
    .sim-annunciator { gap: 2px; }
    .ann-item { padding: 2px 4px; }
    .ann-label { display: none; }
    .sim-kpi-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-1); }
    .sim-kpi { padding: 4px 2px; }
    .sim-kpi .val { font-size: var(--font-size-base); }
    .sim-kpi .lbl { font-size: 8px; }
    .sim-market-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-1); }
    .sim-market-card { padding: 6px; }
    .sim-price { font-size: var(--font-size-sm); }
    #sim-equity-chart { height: 130px !important; }
    .sim-deg-step { padding: 6px 2px; }
    .sim-deg-dot { width: 10px; height: 10px; }
    .sim-deg-step.active .sim-deg-dot { width: 14px; height: 14px; }
    .sim-deg-label { font-size: 7px; letter-spacing: 0; }
    .sim-grade-circle { width: 80px; height: 80px; }
    .sim-grade-letter { font-size: 34px; }
    .sim-score-val { font-size: var(--font-size-sm); width: 40px; }
    .sim-score-lbl { font-size: 9px; width: 70px; }
    .scenario-btn { padding: 8px 10px; margin-bottom: var(--space-1); }
    .scenario-btn .title { font-size: var(--font-size-sm); }
    .scenario-btn .desc { font-size: var(--font-size-xs); }
    .sim-mode-btn { padding: 8px 12px; font-size: var(--font-size-sm); min-height: 36px; }
}