/* ===========================================
   Responsive Breakpoints
   =========================================== */

/* ── Tablet (≤ 900px) ────────────────────── */
@media screen and (max-width: 900px) {
    .four-col {
        flex: 1 1 48%;
        min-width: 48%;
    }

    .team-detail-grid { flex-direction: column; }

    .team-left-col,
    .team-right-col {
        width: 100% !important;
        display: block !important;
        margin-right: 0 !important;
    }

    .content-area { padding: var(--sp-4) !important; }

    .tab-nav .dash-tab,
    .tab-nav .tab {
        padding: var(--sp-2) var(--sp-3) !important;
        font-size: var(--text-xs) !important;
    }
}

/* ── Phone (≤ 600px) ─────────────────────── */
@media screen and (max-width: 600px) {
    .nav-bar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--sp-3);
        padding: var(--sp-3) var(--sp-4);
    }

    .nav-filter-item {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--sp-1);
    }

    .nav-filter-item .dash-dropdown {
        width: 100% !important;
        min-width: 0 !important;
    }

    .four-col {
        flex: 1 1 100%;
        min-width: 100%;
    }

    .content-area { padding: var(--sp-3) !important; }

    h1 { font-size: 1.2rem !important; }
    h3 { font-size: 1rem !important; }

    .dash-graph {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
    }

    .js-plotly-plot { min-width: 320px; }

    .app-header { padding: var(--sp-4) !important; }
    .header-title { font-size: 1.2rem !important; }

    .panel { padding: var(--sp-4); }
    .chart-frame { padding: var(--sp-3); }

    .login-card { padding: var(--sp-6); }

    .tab-nav .dash-tab,
    .tab-nav .tab {
        padding: var(--sp-2) var(--sp-3) !important;
        font-size: 0.7rem !important;
        letter-spacing: 0.04em !important;
    }

    .team-left-col {
        flex: 1 1 100% !important;
    }
}