/* ─────────────────────────────────────────────────────────────
   DMRC Phase 5 – Responsive styles
   Loaded automatically by Dash from the assets/ folder.
   ───────────────────────────────────────────────────────────── */

/* ── Google Font (Inter) ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ── Base reset for all viewports ── */
*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    overflow: hidden;
    font-family: 'Inter', 'Segoe UI', Helvetica, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

/* ── Sidebar panel ── */
#sidebar-panel {
    /* Desktop defaults are set inline; these CSS rules add transitions */
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                bottom 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    scrollbar-width: thin;
    scrollbar-color: #D0D7E0 transparent;
}
#sidebar-panel::-webkit-scrollbar { width: 4px; }
#sidebar-panel::-webkit-scrollbar-thumb { background: #D0D7E0; border-radius: 4px; }

/* ── Map controls ── */
#map-controls-top, #map-controls-bottom {
    transition: all 0.2s ease;
}

/* ── Mobile handle (drag pill) ── */
#mobile-handle {
    display: none;
    width: 40px;
    height: 4px;
    background: #C8D0DA;
    border-radius: 2px;
    margin: 8px auto 4px;
    cursor: grab;
}

/* ── Mobile toggle FAB ── */
#panel-toggle-fab {
    display: none;
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: #1A1D20;
    color: #fff;
    border: none;
    border-radius: 24px;
    padding: 10px 22px;
    font-size: 13px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.3px;
    cursor: pointer;
    z-index: 2000;
    box-shadow: 0 4px 18px rgba(0,0,0,0.35);
    white-space: nowrap;
}
#panel-toggle-fab:active { transform: translateX(-50%) scale(0.96); }

/* ════════════════════════════════════════════════════════
   TABLET  (≤ 900 px)
   ════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
    #sidebar-panel {
        width: 300px !important;
    }
}

/* ════════════════════════════════════════════════════════
   MOBILE  (≤ 640 px)
   Sidebar becomes a bottom sheet; FAB toggles it open/closed.
   ════════════════════════════════════════════════════════ */
@media (max-width: 640px) {

    /* Show mobile handle + FAB */
    #mobile-handle { display: block; }
    #panel-toggle-fab { display: block; }

    /* ── Bottom-sheet sidebar ── */
    #sidebar-panel {
        /* Override all the desktop absolute positioning */
        position: fixed !important;
        top: auto !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        border-radius: 18px 18px 0 0 !important;
        max-height: 72vh !important;
        overflow-y: auto !important;
        z-index: 1500 !important;
        /* Start collapsed (only handle visible ~30px) */
        transform: translateY(calc(100% - 30px));
        box-shadow: 0 -4px 24px rgba(0,0,0,0.18) !important;
    }

    /* Open state toggled via JS */
    #sidebar-panel.panel-open {
        transform: translateY(0);
    }

    /* ── Map controls: shift away from FAB / bottom sheet ── */
    #map-controls-top {
        top: 12px !important;
        right: 12px !important;
    }
    #map-controls-bottom {
        bottom: 48px !important;   /* above FAB */
        right: 12px !important;
    }

    /* ── Make growth chart shorter on mobile ── */
    #growth-chart .js-plotly-plot,
    #growth-chart {
        height: 120px !important;
    }

    /* ── Tighten inner padding ── */
    #sidebar-panel > div:first-child { padding: 0 !important; }
    #sidebar-panel > div:last-child  { padding: 14px !important; }

    /* ── Sliders: bigger touch targets ── */
    .rc-slider-handle {
        width: 22px !important;
        height: 22px !important;
        margin-top: -9px !important;
    }
}

/* ════════════════════════════════════════════════════════
   VERY SMALL PHONES  (≤ 400 px)
   ════════════════════════════════════════════════════════ */
@media (max-width: 400px) {
    #sidebar-panel {
        max-height: 80vh !important;
    }
    #panel-toggle-fab {
        font-size: 12px;
        padding: 9px 18px;
    }
}