/* One visible page, with a compact home and independently scrolling subpages. */
[hidden] { display: none !important; }
body { overflow: hidden; }
.app-shell {
    display: flex;
    flex-direction: column;
    width: min(1120px, 100%);
    height: 100vh;
    height: 100dvh;
    min-height: 0;
    margin: 0 auto;
    padding: max(10px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
    gap: 10px;
}
.topbar { flex-direction: row; align-items: center; flex: 0 0 auto; min-height: 44px; padding: 0; gap: 8px; }
.topbar h1 { font-size: 17px; }
.top-actions { width: auto; flex-wrap: nowrap; gap: 6px; }
.top-actions button { flex: none; }
.brand { gap: 8px; }
.brand h1 { overflow-wrap: anywhere; }
button { min-height: 44px; border-radius: 7px; }
button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.state { padding: 5px 8px; }
.app-page {
    flex: 1 1 auto;
    min-width: 0;
    min-height: 0;
    overflow: auto;
    overscroll-behavior: contain;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 14px;
    background: var(--panel);
    scrollbar-gutter: stable;
}
.app-page > * + * { margin-top: 12px; }
.home-page { flex: 0 1 auto; width: min(640px, 100%); align-self: center; padding: 14px; }
.home-summary { margin: 0; border: 0; border-radius: 8px; padding: 12px; }
.home-summary .section-title { gap: 8px; }
.home-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; margin: 12px 0; }
.home-metrics > div { min-width: 0; }
.home-metrics .wide { grid-column: 1 / -1; display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 8px; align-items: baseline; }
.home-metrics dt { color: var(--muted); font-size: 11px; }
.home-metrics dd { margin: 3px 0 0; font-size: 13px; font-weight: 650; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
#homeVin { font-family: var(--mono); letter-spacing: .02em; }
.home-launcher, .tool-launcher { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.home-launcher button { min-width: 0; min-height: 55px; padding: 8px 3px; }
.tool-launcher button { min-width: 0; min-height: 64px; }
.home-nav-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.home-nav-grid button { min-height: 60px; font-size: 13px; }
.page-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.page-notice { flex: 0 0 auto; color: var(--accent-strong); background: var(--accent-soft); border-radius: 6px; padding: 7px 10px; font-size: 12px; overflow-wrap: anywhere; }
.app-page .button-row { gap: 8px; }
.app-page .control-group + .control-group { margin-top: 12px; }
.app-page .control-group { padding: 12px; }
.app-page .control-group h2 { margin-bottom: 8px; }
.app-page .control-list button { min-height: 44px; }
.app-page .switch-row { min-height: 44px; }
.app-page .info-item dd, .app-page .metric-item dd { white-space: normal; overflow-wrap: anywhere; }
.app-page .section-title { flex-wrap: wrap; gap: 5px; }
.app-page input, .app-page select { min-width: 0; min-height: 40px; }
.app-page .hint { overflow-wrap: anywhere; }
.logs-page { display: flex; flex-direction: column; }
.page-log { min-height: 150px; flex: 1; overflow: auto; border-radius: 6px; }
.logs-page > .status-section { flex: 0 0 auto; max-height: 120px; overflow: auto; }
.app-page.gauge-overlay, .app-page.fun-overlay { position: static; inset: auto; z-index: auto; display: flex; padding: 0; overflow: hidden; }
.app-page .gauge-shell, .app-page .fun-shell { width: 100%; height: 100%; border: 0; border-radius: 0; }
.app-page .gauge-main, .app-page .fun-content { overscroll-behavior: contain; }
@media (max-width: 640px) {
    .app-shell { gap: 8px; padding-left: max(8px, env(safe-area-inset-left)); padding-right: max(8px, env(safe-area-inset-right)); }
    .app-page { padding: 10px; }
    .topbar h1 { font-size: 15px; }
    .brand-mark { width: 26px; height: 26px; }
    .topbar button { padding: 6px 9px; font-size: 12px; }
    .home-summary { padding: 10px; }
    .home-metrics { margin: 10px 0; gap: 7px; }
    .home-metrics .wide { grid-template-columns: 93px minmax(0, 1fr); gap: 5px; }
    .home-launcher { gap: 7px; }
    .home-launcher button { min-height: 50px; font-size: 12px; }
    .home-nav-grid, .tool-launcher { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .app-page .info-grid, .app-page .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    /* Avoid mobile browser focus zoom on editable fields. */
    .app-page input, .app-page select { font-size: 16px; }
}
@media (max-height: 620px) and (max-width: 640px) {
    .app-shell { padding-top: max(5px, env(safe-area-inset-top)); padding-bottom: max(5px, env(safe-area-inset-bottom)); gap: 5px; }
    .home-page { padding: 8px; }
    .home-summary { padding: 8px; }
    .home-metrics { gap: 4px; margin: 6px 0; }
    .home-launcher { gap: 5px; }
    .home-launcher button { min-height: 44px; }
    .home-page > * + * { margin-top: 8px; }
}