/* DRIFT HUD (src/ui/drifthud.js, ?level=drift) */
.fs-hud.is-drift .fs-score { display: none; }
.fs-drift { position: absolute; inset: 0; pointer-events: none; font-family: var(--fs-font); color: var(--fs-bone); transition: opacity 0.3s; }
#ui.is-title .fs-drift, #ui:has(> .fs-hud.is-paused) .fs-drift { opacity: 0; }
.fs-drift > section { position: absolute; }

/* ---- live chain (top centre) ---- */
.fs-dchain {
  top: calc(1.2rem + var(--sat));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  opacity: 0.35;
  transition: opacity 0.25s, transform 0.25s;
}
.fs-dchain.is-live { opacity: 1; }
.fs-dchain.is-sliding { transform: translateX(-50%) scale(1.06); }
.fs-dchain__row { display: flex; align-items: flex-end; gap: 0.5rem; padding: 0.5rem 1.2rem 0.2rem; background: var(--fs-plate); transform: skewX(var(--fs-skew)); }
.fs-dchain__pts { font-size: 3.4rem; line-height: 0.9; font-weight: 700; letter-spacing: 0.02em; min-width: 5ch; text-align: right; font-variant-numeric: tabular-nums; }
.fs-dchain__mult { font-style: normal; font-size: 2rem; line-height: 1; font-weight: 700; color: var(--fs-molten); }
.fs-dchain__meter { position: relative; width: 15rem; height: 0.45rem; background: var(--fs-plate-soft); transform: skewX(var(--fs-skew)); }
.fs-dchain__meter em { position: absolute; left: 50%; top: -0.2rem; bottom: -0.2rem; width: 2px; background: var(--fs-bone); opacity: 0.6; }
.fs-dchain__fill { position: absolute; top: 0; bottom: 0; left: 50%; width: 0; background: linear-gradient(90deg, var(--fs-orange), var(--fs-molten)); }
.fs-dchain__ang { font-size: 1.3rem; line-height: 1; min-height: 1.3rem; letter-spacing: 0.06em; color: var(--fs-chrome); }

/* ---- popups under the chain ---- */
.fs-dpop { top: calc(8.6rem + var(--sat)); left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.2rem; }
.fs-dpop__item { font-size: 2rem; font-weight: 700; letter-spacing: 0.04em; white-space: nowrap; text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6); animation: fs-dpop 1.4s ease-out forwards; }
.fs-dpop__item.is-bank { color: #7dffa8; font-size: 2.6rem; }
.fs-dpop__item.is-lost { color: var(--fs-red); animation-duration: 1.8s; }
.fs-dpop__item.is-flick { color: var(--fs-molten); font-size: 1.5rem; animation-duration: 0.9s; }
.fs-dpop__item.is-lap { color: var(--fs-bone); animation-duration: 2.6s; }
.fs-dpop__item.is-best { color: var(--fs-molten); font-size: 2.6rem; animation-duration: 2.6s; }
@keyframes fs-dpop {
  0% { opacity: 0; transform: translateY(0.6rem) scale(0.9); }
  12% { opacity: 1; transform: none; }
  75% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-0.8rem); }
}

/* ---- lap panel (top left, where the stunt score sits in free roam) ---- */
.fs-dlap { top: calc(1.5rem + var(--sat)); left: calc(2.2rem + var(--sal)); display: flex; flex-direction: column; align-items: flex-start; gap: 0.25rem; }
.fs-dlap__plate { display: flex; flex-direction: column; padding: 0.4rem 1.1rem 0.2rem; background: var(--fs-plate); transform: skewX(var(--fs-skew)); margin-bottom: 0.3rem; }
.fs-dlap__plate small { font-size: 1rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fs-chrome); line-height: 1; }
.fs-dlap__plate b { font-size: 2.4rem; line-height: 0.95; font-variant-numeric: tabular-nums; }
.fs-dlap__row { display: flex; gap: 0.6rem; align-items: baseline; padding: 0.05rem 0.9rem; background: var(--fs-plate-soft); transform: skewX(var(--fs-skew)); font-size: 1.25rem; line-height: 1.25; }
.fs-dlap__row span { color: var(--fs-chrome); letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.95rem; }
.fs-dlap__row b { font-variant-numeric: tabular-nums; }

/* phones: smaller, and the lap panel tucks up so the steer pads stay clear */
#ui.is-touch .fs-dchain__pts { font-size: 2.6rem; }
#ui.is-touch .fs-dchain__mult { font-size: 1.6rem; }
#ui.is-touch .fs-dchain__meter { width: 11rem; }
#ui.is-touch .fs-dpop { top: calc(6.8rem + var(--sat)); }
#ui.is-touch .fs-dpop__item { font-size: 1.6rem; }
#ui.is-touch .fs-dlap { transform: scale(0.8); transform-origin: 0 0; }
/* the damage strip sits under the stunt score on touch; in drift the taller lap panel is there, so drop below it */
#ui.is-touch .fs-hud.is-drift .fs-dmg { top: calc(10.6rem + var(--sat)); }