#hud {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  display: none;
  --edge: clamp(10px, 2vw, 26px);
  font-family: var(--font-body);
}

.brass-strip {
  background:
    linear-gradient(168deg, var(--deep-ui), var(--walnut) 58%, var(--deep) 100%);
  box-shadow:
    inset 0 1px 0 rgba(127, 242, 255, .3),
    inset 0 0 0 1px rgba(0, 229, 255, .14),
    inset 0 -4px 9px rgba(0, 0, 0, .5),
    0 8px 18px rgba(0, 0, 0, .55),
    0 0 18px rgba(0, 229, 255, .12);
  border: 1px solid rgba(0, 229, 255, .3);
  backdrop-filter: blur(7px);
}
.walnut-plate {
  background:
    repeating-linear-gradient(91deg, rgba(0, 0, 0, .16) 0 1px, transparent 1px 7px),
    linear-gradient(160deg, var(--walnut-hi), var(--walnut) 58%, var(--deep) 100%);
  box-shadow:
    inset 0 1px 0 rgba(0, 229, 255, .28),
    inset 0 0 0 1px rgba(0, 229, 255, .14),
    inset 0 -6px 13px rgba(0, 0, 0, .6),
    0 9px 20px rgba(0, 0, 0, .6),
    0 0 18px rgba(0, 229, 255, .12);
  border: 1px solid rgba(0, 229, 255, .3);
  backdrop-filter: blur(7px);
}
.hud-gem { display: none; }
#hud .lbl {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: clamp(8px, .85vw, 10px);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: .92;
}
#hud .num {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--cream);
  text-shadow: 0 2px 0 rgba(0, 0, 0, .5), 0 0 12px rgba(0, 229, 255, .45);
  font-variant-numeric: tabular-nums;
}

#hud .tl {
  position: absolute;
  top: max(var(--edge), env(safe-area-inset-top));
  left: max(var(--edge), env(safe-area-inset-left));
  display: flex;
  align-items: flex-start;
  gap: clamp(8px, 1.25vw, 16px);
}

.lap-clock {
  position: relative;
  width: clamp(76px, 9.7vw, 124px);
  aspect-ratio: 1;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: conic-gradient(from -40deg,
    #00E5FF, #0090A8 14%, #0090A8 30%, #00E5FF 48%,
    #00E5FF 64%, #7FF2FF 80%, #0090A8 92%, #00E5FF);
  box-shadow:
    inset 0 0 0 2px rgba(5, 13, 31, .85),
    inset 0 2px 4px rgba(127, 242, 255, .4),
    inset 0 -6px 12px rgba(0, 0, 0, .6),
    0 10px 24px rgba(0, 0, 0, .6),
    0 0 26px rgba(0, 229, 255, .3);
}
.lap-clock .dial {
  position: absolute;
  inset: 9%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 36%, var(--walnut), var(--deep) 78%);
  box-shadow: inset 0 4px 12px rgba(0, 0, 0, .75), inset 0 -2px 4px rgba(0, 229, 255, .14);
}
.lap-clock .ticks { position: absolute; inset: 9%; border-radius: 50%; }
.lap-clock .ticks i {
  position: absolute;
  top: 5%;
  left: 50%;
  width: 2px;
  height: 8%;
  margin-left: -1px;
  background: rgba(127, 242, 255, .55);
  transform-origin: 50% 560%;
  border-radius: 1px;
}
.lap-clock .face { position: relative; text-align: center; z-index: 2; }
.lap-clock .face .num { font-size: clamp(19px, 2.4vw, 30px); line-height: .9; }
.lap-clock .face .num small { font-size: .56em; color: var(--brass-hi); font-weight: 600; }
.lap-clock .face .lbl { margin-top: 2px; }
.lap-clock .hud-gem { top: 4%; left: 50%; transform: translateX(-50%); }

.pos-placard {
  position: relative;
  width: clamp(84px, 9vw, 116px);
  padding: clamp(8px, 1.5vh, 13px) 12px clamp(9px, 1.7vh, 14px);
  border-radius: 13px;
  text-align: center;
  margin-top: 8px;
}
.pos-placard::before {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 8px;
  border: 1.5px solid rgba(255, 215, 0, .3);
  box-shadow: inset 0 1px 0 rgba(255, 215, 0, .22), inset 0 -2px 5px rgba(0, 0, 0, .5);
  pointer-events: none;
}
.pos-placard .lbl { font-size: clamp(7px, .8vw, 9px); }
.pos-placard .pos {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 3px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(22px, 3.2vw, 38px);
  line-height: .9;
  color: var(--gem-gold);
  text-shadow: 0 2px 0 rgba(0, 0, 0, .55), 0 0 18px rgba(255, 215, 0, .55);
}
.pos-placard .pos small { font-size: .4em; color: var(--cream-warm); }
.pos-placard .hud-gem.focal { top: -8px; right: -7px; }

.standings {
  position: absolute;
  top: calc(max(var(--edge), env(safe-area-inset-top)) + clamp(86px, 11vw, 140px));
  left: max(var(--edge), env(safe-area-inset-left));
  width: clamp(140px, 13.8vw, 176px);
  padding: 10px 13px 12px;
  border-radius: 12px;
}
.standings::before {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 7px;
  border: 1.5px solid rgba(0, 229, 255, .28);
  box-shadow: inset 0 1px 0 rgba(0, 229, 255, .2), inset 0 -2px 5px rgba(0, 0, 0, .5);
  pointer-events: none;
}
.standings > .lbl { display: block; margin-bottom: 7px; padding-left: 2px; }
.standings .hud-gem { top: -7px; left: 13px; }
#stand-list { position: relative; }
.stand-row {
  position: absolute;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 24px;
  padding: 0 6px;
  border-radius: 7px;
  background: linear-gradient(150deg, rgba(27, 47, 80, .5), rgba(10, 20, 40, .35));
  box-shadow: inset 0 1px 0 rgba(0, 229, 255, .1), inset 0 -1px 2px rgba(0, 0, 0, .45);
  will-change: transform;
  transition: transform .5s cubic-bezier(.34, 1.4, .5, 1);
}
.stand-row .rk {
  flex: 0 0 17px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 10px;
  color: var(--deep);
  background: radial-gradient(circle at 38% 30%, #B3F6FF, var(--brass) 78%);
  box-shadow: inset 0 -1px 2px rgba(0, 60, 70, .6), 0 1px 2px rgba(0, 0, 0, .5);
}
.stand-row .nm {
  font-size: 12px;
  font-weight: 700;
  color: var(--cream-warm);
  text-shadow: 0 1px 2px rgba(0, 0, 0, .55);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.stand-row.you {
  background: linear-gradient(150deg, rgba(0, 229, 255, .24), rgba(0, 144, 168, .14));
  box-shadow: inset 0 0 0 1px rgba(0, 229, 255, .42), inset 0 -1px 2px rgba(0, 0, 0, .4), 0 0 10px rgba(0, 229, 255, .25);
}
.stand-row.you .nm { color: var(--gold-hot); text-shadow: 0 0 8px rgba(0, 229, 255, .5); }
.stand-row.you .rk {
  background: radial-gradient(circle at 38% 30%, #FFF6D8, var(--gem-gold) 70%);
  box-shadow: inset 0 -1px 2px rgba(150, 90, 16, .5), 0 0 8px rgba(255, 215, 0, .5);
}
.stand-row.p1 .rk { background: radial-gradient(circle at 38% 30%, #FFF6D8, var(--gem-gold) 70%); }
.stand-row.p2 .rk { background: radial-gradient(circle at 38% 30%, #E8FBFF, var(--gem-aqua) 75%); }
.stand-row.p3 .rk { background: radial-gradient(circle at 38% 30%, #EFFFF6, var(--gem-emerald) 75%); }
.stand-row.surge { animation: standSurge .5s ease; }
@keyframes standSurge { 0% { filter: brightness(2); } 100% { filter: brightness(1); } }

#hud .tr {
  position: absolute;
  top: calc(max(var(--edge), env(safe-area-inset-top)) + clamp(44px, 7.8vh, 56px));
  right: max(var(--edge), env(safe-area-inset-right));
  display: flex;
  align-items: stretch;
  border-radius: 14px;
  overflow: hidden;
  padding: 2px;
}
.tseg {
  position: relative;
  padding: clamp(7px, 1.5vh, 11px) clamp(12px, 1.6vw, 20px) clamp(8px, 1.7vh, 12px);
  min-width: clamp(66px, 7.5vw, 96px);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 3px;
  justify-content: center;
}
.tseg + .tseg::before {
  content: '';
  position: absolute;
  left: 0;
  top: 18%;
  bottom: 18%;
  width: 2px;
  background: linear-gradient(180deg, transparent, rgba(0, 229, 255, .35), transparent);
  box-shadow: 1px 0 0 rgba(127, 242, 255, .2);
}
.tseg .lbl { font-size: clamp(7px, .8vw, 9px); }
.tseg .num { font-size: clamp(15px, 1.9vw, 24px); line-height: 1; }
.tseg.best .num {
  font-size: clamp(13px, 1.5vw, 19px);
  color: var(--gem-emerald);
  text-shadow: 0 2px 0 rgba(0, 0, 0, .5), 0 0 12px rgba(92, 224, 160, .5);
}

.topbar {
  position: fixed;
  top: max(clamp(10px, 2vw, 26px), env(safe-area-inset-top));
  right: max(clamp(10px, 2vw, 26px), env(safe-area-inset-right));
  z-index: 22;
  display: flex;
  gap: 10px;
}
.iconbtn {
  pointer-events: auto;
  position: relative;
  width: clamp(38px, 3.3vw, 42px);
  aspect-ratio: 1;
  border-radius: 50%;
  cursor: pointer;
  border: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--cream);
  background:
    repeating-radial-gradient(circle at 46% 40%, rgba(0, 0, 0, .10) 0 2px, transparent 2px 5px),
    radial-gradient(circle at 42% 34%, var(--walnut-hi), var(--deep) 78%);
  box-shadow:
    0 0 0 2px rgba(0, 229, 255, .4),
    inset 0 2px 3px rgba(127, 242, 255, .25),
    inset 0 -4px 8px rgba(0, 0, 0, .65),
    0 6px 14px rgba(0, 0, 0, .55),
    0 0 14px rgba(0, 229, 255, .15);
  transition: transform var(--engine-dur) var(--engine-ease);
}
.iconbtn:hover { transform: scale(1.08); }
#btn-quit {
  color: var(--gem-ruby);
  text-shadow: 0 0 8px rgba(255, 92, 138, .5), 0 1px 1px rgba(0, 0, 0, .6);
  background:
    repeating-radial-gradient(circle at 46% 40%, rgba(0, 0, 0, .10) 0 2px, transparent 2px 5px),
    radial-gradient(circle at 42% 34%, #4A1530, var(--deep) 80%);
  box-shadow:
    0 0 0 2px rgba(255, 92, 138, .4),
    inset 0 2px 3px rgba(255, 92, 138, .2),
    inset 0 -4px 8px rgba(0, 0, 0, .65),
    0 6px 14px rgba(0, 0, 0, .55),
    0 0 14px rgba(255, 92, 138, .15);
}