/* Three-lane top-down formula driving: one fixed screen with large touch controls. */
.driving-screen {
  position: fixed;
  inset: 0;
  z-index: 12;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  max-height: 100dvh;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: clamp(5px, 1vh, 10px);
  overflow: hidden;
  padding: max(72px, calc(env(safe-area-inset-top) + 62px)) max(8px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
  color: #45345f;
  background: radial-gradient(circle at 12% 12%, rgba(255,255,255,.78), transparent 30%), linear-gradient(145deg, #b9eeff, #dff4d7 58%, #c4e8ff);
}
.driving-back {
  position: fixed;
  top: max(12px, env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left));
  z-index: 20;
  min-height: 48px;
  padding: 4px clamp(13px, 2vw, 22px);
  border-width: 3px;
  border-radius: 18px;
  font-size: clamp(16px, 2.2vh, 22px);
  box-shadow: 0 5px 0 var(--s), 0 8px 13px rgba(0,0,0,.14);
}
.driving-back:hover { transform: translateY(-2px); }
.driving-back:focus-visible, .driving-arrow:focus-visible { outline: 5px solid #39326d; outline-offset: 4px; }
.driving-header {
  z-index: 2;
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(2px, .55vh, 6px);
  max-width: 100%;
}
.driving-title {
  max-width: min(70vw, 720px);
  margin: 0;
  color: #45346f;
  font-size: clamp(25px, 4.5vh, 48px);
  font-weight: 800;
  line-height: 1;
  text-align: center;
  text-shadow: 0 2px 0 #fff, 0 5px 12px rgba(43,34,80,.15);
}
.driving-command, .driving-feedback {
  max-width: min(94vw, 820px);
  margin: 0;
  padding: 3px clamp(10px, 1.8vw, 18px);
  border: 2px solid rgba(255,255,255,.96);
  border-radius: 999px;
  color: #493765;
  background: rgba(255,255,255,.92);
  box-shadow: 0 3px 9px rgba(40,45,90,.1);
  font-size: clamp(14px, 2.25vh, 21px);
  font-weight: 800;
  line-height: 1.12;
  text-align: center;
}
.driving-command { color: #392861; font-size: clamp(16px, 2.65vh, 25px); }
.driving-feedback { min-height: 1.12em; }
.driving-road {
  position: relative;
  isolation: isolate;
  flex: 1 1 0;
  min-height: 0;
  width: min(850px, 100%);
  align-self: center;
  overflow: hidden;
  box-sizing: border-box;
  border: clamp(4px, .7vw, 8px) solid #fff;
  border-radius: clamp(20px, 3vw, 34px);
  background: linear-gradient(90deg, #58bd70 0 3.5%, #414751 3.5% 96.5%, #58bd70 96.5% 100%);
  box-shadow: 0 9px 0 rgba(48,102,69,.15), 0 16px 28px rgba(35,50,76,.2);
}
.driving-road::before, .driving-road::after {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 1;
  width: 3.5%;
  content: '';
  pointer-events: none;
  background: repeating-linear-gradient(180deg, transparent 0 36px, rgba(255,255,255,.55) 36px 55px, transparent 55px 78px);
  background-size: 100% 156px;
  animation: driving-road-flow 1.8s linear infinite;
  opacity: .65;
}
.driving-road::before { left: 0; }
.driving-road::after { right: 0; }
.driving-lanes {
  position: absolute;
  inset: 0 3.5%;
  z-index: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: repeating-linear-gradient(180deg, #555b65 0 39px, #515761 39px 78px);
  background-size: 100% 156px;
  animation: driving-road-flow 1.8s linear infinite;
}
.driving-lane {
  position: relative;
  min-width: 0;
  height: 100%;
  padding: 0;
  border: 0;
  border-right: 3px dashed rgba(255,255,255,.76);
  appearance: none;
  color: inherit;
  background: linear-gradient(90deg, rgba(255,255,255,.025), transparent 42%, rgba(0,0,0,.035));
  font: inherit;
  text-align: inherit;
  cursor: pointer;
  touch-action: manipulation;
  transition: background-color .2s, box-shadow .2s;
}
.driving-lane:last-child { border-right: 0; }
.driving-lane:disabled { cursor: default; }
.driving-lane:focus-visible { outline: 4px solid #ffd166; outline-offset: -7px; z-index: 2; }
@keyframes driving-road-flow {
  from { background-position: 0 0; }
  to { background-position: 0 78px; }
}
.driving-lane.is-commanded {
  background-color: rgba(255,210,67,.16);
  box-shadow: inset 0 0 0 3px rgba(255,218,95,.68), inset 0 0 34px rgba(255,219,92,.18);
}
.driving-lane-label {
  position: absolute;
  top: clamp(8px, 1.6vh, 15px);
  left: 50%;
  display: block;
  max-width: 94%;
  box-sizing: border-box;
  padding: 2px clamp(4px, .7vw, 9px);
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 999px;
  color: #fff;
  background: rgba(33,38,47,.7);
  font-size: clamp(9px, 1.55vw, 15px);
  font-weight: 800;
  line-height: 1.12;
  text-align: center;
  white-space: nowrap;
  transform: translateX(-50%);
}
.driving-car {
  position: absolute;
  bottom: 1.5%;
  left: 50%;
  z-index: 3;
  width: clamp(72px, 18%, 145px);
  aspect-ratio: 414 / 906;
  max-height: 57%;
  transform: translateX(-50%);
  transition: left 660ms cubic-bezier(.18,.78,.2,1);
  filter: drop-shadow(0 7px 5px rgba(10,16,25,.46));
  pointer-events: none;
}
.driving-car-art {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: rotate(180deg);
  user-select: none;
  -webkit-user-drag: none;
}
.driving-hood-mark {
  position: absolute;
  top: 49%;
  left: 50%;
  width: 76%;
  overflow: hidden;
  color: #14284f;
  font-size: clamp(18px, 3.5vh, 31px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.035em;
  text-align: center;
  white-space: nowrap;
  text-shadow: 0 1px 0 rgba(255,255,255,.9), 0 0 4px rgba(255,255,255,.75);
  transform: translate(-50%, -50%);
}
.driving-car-art:not([src]), .driving-car-art[src=''] { visibility: hidden; }
.driving-sparkle-field { position: absolute; inset: 0; z-index: 5; overflow: hidden; pointer-events: none; }
.driving-sparkle {
  position: absolute;
  top: 52%;
  left: 50%;
  color: var(--sparkle-color);
  font-size: clamp(17px, 3vh, 32px);
  line-height: 1;
  text-shadow: 0 0 12px currentColor, 0 2px 4px rgba(34,25,72,.26);
  animation: driving-sparkle-burst 1.35s cubic-bezier(.13,.74,.24,1) var(--sparkle-delay) both;
}
@keyframes driving-sparkle-burst {
  0% { opacity: 0; transform: translate(-50%,-50%) scale(.08) rotate(-25deg); }
  18% { opacity: 1; }
  100% { opacity: 0; transform: translate(calc(-50% + var(--sparkle-x)),calc(-50% + var(--sparkle-y))) scale(.55) rotate(250deg); }
}
.driving-award[hidden] { display: none !important; }
.driving-award {
  position: absolute;
  top: 19%;
  left: 50%;
  z-index: 6;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  max-width: 95%;
  pointer-events: none;
  transform: translateX(-50%);
  filter: drop-shadow(0 3px 2px rgba(255,255,255,.88));
}
.driving-award-thumb { font-size: clamp(44px, 9vh, 84px); line-height: .95; animation: driving-thumb-pop .58s cubic-bezier(.18,.8,.24,1) both; }
.driving-award-copy {
  max-width: 100%;
  box-sizing: border-box;
  padding: 3px clamp(8px, 1.5vw, 15px);
  border: 2px solid #fff;
  border-radius: 999px;
  color: #53366f;
  background: rgba(255,255,255,.94);
  box-shadow: 0 4px 12px rgba(45,35,75,.18);
  font-size: clamp(14px, 2.2vh, 22px);
  font-weight: 900;
  line-height: 1.1;
  text-align: center;
}
@keyframes driving-thumb-pop { 0% { opacity: 0; transform: scale(.2) rotate(-20deg); } 72% { opacity: 1; transform: scale(1.15) rotate(7deg); } 100% { opacity: 1; transform: scale(1) rotate(0); } }
.driving-controls {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(8px, 2vw, 22px);
  width: min(480px, 100%);
}
.driving-arrow {
  min-width: 0;
  min-height: clamp(62px, 10vh, 94px);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: clamp(4px, 1vw, 10px);
  box-sizing: border-box;
  padding: 4px clamp(4px, 1.2vw, 12px);
  border: clamp(3px, .55vw, 5px) solid #fff;
  border-radius: clamp(17px, 2.8vw, 26px);
  color: #fff;
  background: linear-gradient(145deg, color-mix(in srgb, var(--arrow-color), white 16%), var(--arrow-color));
  box-shadow: 0 7px 0 var(--arrow-shade), 0 11px 18px rgba(34,37,74,.2);
  font-family: 'Baloo 2', sans-serif;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform .13s, filter .13s, opacity .13s, box-shadow .13s;
}
.driving-arrow[data-direction='left'] { --arrow-color: #ff708c; --arrow-shade: #bb3c5c; }
.driving-arrow[data-direction='right'] { --arrow-color: #4da9ef; --arrow-shade: #2d67ad; }
.driving-arrow > span { font-size: clamp(36px, 6vh, 58px); font-weight: 900; line-height: .8; text-shadow: 0 2px 0 rgba(30,35,65,.22); }
.driving-arrow > small { font-size: clamp(14px, 2.1vh, 20px); font-weight: 800; line-height: 1; }
.driving-arrow:hover:not(:disabled) { filter: brightness(1.08); transform: translateY(-3px); box-shadow: 0 10px 0 var(--arrow-shade), 0 15px 22px rgba(34,37,74,.22); }
.driving-arrow:active:not(:disabled) { transform: translateY(4px); box-shadow: 0 2px 0 var(--arrow-shade); }
.driving-arrow:disabled { opacity: .68; cursor: default; }
.driving-screen.is-driving-wrong .driving-feedback { color: #a33d50; animation: driving-wrong-nudge .24s ease-in-out 2; }
.driving-screen.is-driving-success .driving-road { animation: driving-road-praise .55s ease-out; }
@keyframes driving-wrong-nudge { 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
@keyframes driving-road-praise { 35% { box-shadow: 0 0 0 8px rgba(255,209,31,.62), 0 12px 30px rgba(40,35,90,.24); } }
@media (max-width: 560px) {
  .driving-screen { gap: 5px; padding-left: max(6px, env(safe-area-inset-left)); padding-right: max(6px, env(safe-area-inset-right)); }
  .driving-title { font-size: clamp(24px, 6vw, 35px); }
  .driving-command { font-size: clamp(15px, 4vw, 20px); }
  .driving-feedback { font-size: clamp(13px, 3.5vw, 17px); }
  .driving-road { width: 100%; border-width: 4px; border-radius: 19px; }
  .driving-lane-label { max-width: 98%; padding-inline: 3px; font-size: clamp(8px, 2.8vw, 12px); }
  .driving-car { width: clamp(70px, 23%, 116px); }
  .driving-controls { gap: clamp(4px, 1.5vw, 9px); }
  .driving-arrow { flex-direction: column; gap: 2px; min-height: clamp(64px, 10vh, 82px); border-radius: 17px; }
  .driving-arrow > span { font-size: clamp(34px, 6vh, 48px); }
  .driving-arrow > small { font-size: clamp(13px, 3.4vw, 17px); }
  .driving-back { top: max(9px, env(safe-area-inset-top)); left: max(8px, env(safe-area-inset-left)); min-height: 42px; padding-inline: 10px; border-radius: 15px; font-size: 15px; }
}
@media (max-height: 560px) {
  .driving-screen { gap: 4px; padding-top: max(60px, calc(env(safe-area-inset-top) + 50px)); padding-bottom: max(5px, env(safe-area-inset-bottom)); }
  .driving-header { gap: 2px; }
  .driving-title { font-size: clamp(21px, 5vh, 32px); }
  .driving-command, .driving-feedback { padding-block: 2px; font-size: clamp(12px, 2.7vh, 16px); }
  .driving-lane-label { top: 6px; padding-block: 1px; font-size: clamp(8px, 1.4vw, 12px); }
  .driving-car { width: clamp(62px, 12vh, 100px); max-height: 52%; }
  .driving-hood-mark { font-size: clamp(16px, 3.6vh, 23px); }
  .driving-controls { gap: 8px; }
  .driving-arrow { min-height: clamp(48px, 12vh, 65px); flex-direction: row; }
  .driving-arrow > span { font-size: clamp(30px, 6vh, 42px); }
  .driving-arrow > small { font-size: clamp(12px, 2.7vh, 16px); }
  .driving-award { top: 16%; }
  .driving-award-thumb { font-size: clamp(38px, 8vh, 56px); }
}
@media (prefers-reduced-motion: reduce) {
  .driving-car, .driving-lane, .driving-arrow { transition: none; }
  .driving-lanes, .driving-road::before, .driving-road::after,
  .driving-sparkle, .driving-award-thumb, .driving-screen.is-driving-wrong .driving-feedback, .driving-screen.is-driving-success .driving-road { animation: none; }
}