.track-main { max-width: 1100px; padding: 1.2rem; }
.track-title { min-width: 0; overflow-wrap: anywhere; }
.track-preview { height: clamp(280px, 55dvh, 620px); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; margin: 1rem 0; }
.track-shell { display: flex; flex-direction: column; gap: .7rem; }
.track-hud { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem; }
.track-hud > div, .track-hud > button { min-width: 0; padding: .65rem; border: 1px solid transparent; border-radius: 12px; background: var(--card); color: var(--text); text-align: center; }
.track-hud > button { cursor: pointer; font: inherit; border-color: var(--line); }
.track-hud > button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
#trackSpeedAlert b { color: var(--speed-band, var(--text)); }
#trackSpeedAlert.over { border-color: var(--speed-band, var(--track)); background: color-mix(in srgb, var(--speed-band, var(--track)) 18%, var(--card)); }
#trackSpeedWarning { font-size: .55em; margin-left: .3em; }
.track-summary { margin: 0 0 .6rem; font-weight: 600; }
.track-gallery { margin-top: 1.6rem; }
.track-hud b { display: block; font-size: clamp(1.2rem, 4vw, 2rem); font-variant-numeric: tabular-nums; }
.track-hud small { color: var(--muted); }
.track-status { margin: 0; }
.track-status:empty { display: none; }
.track-status.warn { color: var(--accent); font-weight: 700; }
.track-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.track-actions .btn { flex: 1 1 8em; min-height: 48px; }
.track-active { overflow: hidden; }
.track-active .toast { z-index: 400; }
.track-active .topbar, .track-active .tabbar, .track-active footer, .track-active .app-chip-stack { display: none; }
.track-active .track-main { position: fixed; inset: 0; max-width: none; width: 100%; padding: max(.6rem, var(--inset-top)) max(.6rem, var(--inset-right)) calc(max(.6rem, var(--inset-bottom)) + var(--notice-h, 0px)) max(.6rem, var(--inset-left)); background: var(--bg); z-index: 200; display: flex; flex-direction: column; }
.track-active .track-shell { flex: 1; min-height: 0; }
.track-active .track-preview { flex: 1; min-height: 100px; height: auto; margin: 0; }
.track-active .track-title { font-size: 1rem; margin: 0; }
.track-active .track-by { display: none; }
.track-active .track-intro { display: none; }
.track-report-image { max-width: 100%; max-height: 55dvh; object-fit: contain; border-radius: 12px; }
@media (min-width: 900px) {
    .track-active .track-shell { display: grid; grid-template-columns: minmax(0, 1fr) 260px; grid-template-rows: auto 1fr auto; }
    .track-active .track-preview { grid-column: 1; grid-row: 1 / 4; }
    .track-active .track-hud { grid-column: 2; grid-template-columns: 1fr; }
    .track-active .track-status, .track-active .track-actions { grid-column: 2; }
}
@media (max-height: 540px) and (min-width: 640px) {
    .track-active .tool-titlebar { margin-bottom: .4rem; }
    .track-active .track-shell { display: grid; grid-template-columns: minmax(0, 1fr) minmax(230px, 36%); grid-template-rows: auto 1fr auto; }
    .track-active .track-preview { grid-column: 1; grid-row: 1 / 4; min-height: 0; }
    .track-active .track-hud, .track-active .track-status, .track-active .track-actions { grid-column: 2; }
    .track-active .track-hud { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .track-active .track-hud b { font-size: 1.1rem; }
    .track-active .track-hud small { font-size: .65rem; }
    .track-active .track-hud > div, .track-active .track-hud > button { padding: .4rem; }
    .track-active .track-status { font-size: .8rem; line-height: 1.3; min-height: 0; }
    .track-active .track-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .track-active .track-actions .btn { padding: .45rem; min-width: 0; min-height: 42px; font-size: .85rem; }
}