:root{
  --bg: #0b0d12;
  --asphalt: #1a1d24;
  --cyan: #00d4ff;
  --cyan-dim: #0891b2;
  --red: #ff3860;
  --red-dim: #c81e45;
  --amber: #ffb020;
  --glass: rgba(20, 24, 32, 0.55);
  --glass-border: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }

html, body { overscroll-behavior: none; }

body {
  margin: 0;
  background: var(--bg);
  overflow: hidden;
  font-family: 'Inter', Arial, sans-serif;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

button { touch-action: manipulation; }

.mobile-only { display: none; }

canvas { display:block; margin:auto; touch-action: none; }

.menu {
  position: fixed;
  top: 14px;
  left: 14px;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 6px;
  z-index: 10;
  max-width: calc(100vw - 28px);
}

.menu button {
  font-family: 'Inter', Arial, sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 8px 12px;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #eef2f7;
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.12s ease;
}

.menu button:hover { border-color: var(--cyan); }
.menu button:active { transform: scale(0.96); }
.menu button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

.hud {
  position: fixed;
  top: 92px;
  left: 14px;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 20px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  z-index: 10;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}

.hud-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}

.hud-stat .label {
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8a93a3;
  margin-bottom: 4px;
  font-weight: 700;
}

.hud-stat .value {
  font-family: 'Orbitron', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #eef2f7;
}

.hud-divider { width: 1px; height: 24px; background: var(--glass-border); }

.top-right-stack {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.speedometer {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 6px 10px 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}

.speedo-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  margin-top: -6px;
}

.speedo-label .value {
  font-family: 'Orbitron', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
}

.speedo-label .unit {
  font-size: 8px;
  letter-spacing: 0.18em;
  color: #8a93a3;
  font-weight: 700;
}

.ranking {
  width: 168px;
  padding: 12px 14px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}

.ranking h3 {
  margin: 0;
  font-family: 'Orbitron', sans-serif;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber);
  text-shadow: 0 0 10px rgba(255,176,32,0.45);
}

.ranking-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.ranking-head-btns { display: flex; gap: 4px; }

.ranking-head button {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: #8a93a3;
  border-radius: 8px;
  width: 22px;
  height: 22px;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.ranking-head button:hover { color: var(--cyan); border-color: var(--cyan); }
.ranking-head button.mobile-only { display: none; }

.ranking-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}

.ranking-tabs button {
  flex: 1;
  font-family: 'Inter', Arial, sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 4px 0;
  border: 1px solid var(--glass-border);
  border-radius: 7px;
  background: transparent;
  color: #8a93a3;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.ranking-tabs button:hover { color: #eef2f7; }
.ranking-tabs button.active {
  color: var(--cyan);
  border-color: var(--cyan);
}

.ranking ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.ranking li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: #cfd6e0;
}

.ranking li .rank { font-weight: 700; color: #8a93a3; width: 20px; }
.ranking li.top1 .rank { color: #ffd166; }
.ranking li.top2 .rank { color: #d7dade; }
.ranking li.top3 .rank { color: #d2915a; }
.ranking li .name { flex: 1; text-align: left; margin-left: 6px; font-weight: 700; letter-spacing: 0.05em; color: #eef2f7; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ranking li .points { font-family: 'Orbitron', sans-serif; font-weight: 700; color: #eef2f7; }
.ranking li.current { color: #4dffb0; }
.ranking li.current .name,
.ranking li.current .points { color: #4dffb0; }
.ranking .empty { font-size: 12px; color: #8a93a3; font-style: italic; }

.name-entry {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 20;
  background: rgba(6,8,12,0.6);
}
.name-entry.visible { display: flex; }

.name-entry-box {
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 28px 32px;
  text-align: center;
  min-width: 240px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
}

.name-entry-box h3 {
  margin: 0 0 6px 0;
  font-family: 'Orbitron', sans-serif;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--red);
  text-shadow: 0 0 12px rgba(255,56,96,0.5);
}

.name-entry-box p {
  margin: 0 0 16px 0;
  font-size: 13px;
  color: #cfd6e0;
}

.name-entry-box p span {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  color: var(--cyan);
}

.name-entry-box input {
  width: 100%;
  font-family: 'Orbitron', sans-serif;
  font-size: 22px;
  letter-spacing: 0.25em;
  text-align: center;
  text-transform: uppercase;
  padding: 10px 8px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(0,0,0,0.35);
  color: var(--cyan);
  margin-bottom: 14px;
}

.name-entry-box input:focus {
  outline: none;
  border-color: var(--cyan);
}

.name-entry-box .hint {
  margin: -8px 0 14px 0;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: #8a93a3;
}

#turnstileBox { margin-bottom: 12px; min-height: 0; }
#turnstileBox iframe { border-radius: 10px; }

.name-entry-box button {
  width: 100%;
  font-family: 'Inter', Arial, sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.03em;
  padding: 11px 16px;
  border: none;
  border-radius: 10px;
  background: var(--cyan);
  color: #05131a;
  cursor: pointer;
}
.name-entry-box button:active { transform: scale(0.97); }
.name-entry-box button.secondary {
  margin-top: 8px;
  background: transparent;
  border: 1px solid var(--glass-border);
  color: #8a93a3;
}
.name-entry-box .error {
  margin: 10px 0 0 0;
  font-size: 11px;
  color: var(--red);
  min-height: 14px;
}

.tutorial {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 25;
  background: rgba(6,8,12,0.68);
}
.tutorial.visible { display: flex; }

.tutorial-box {
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 26px 30px;
  max-width: 360px;
  width: 90%;
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
}

.tutorial-box h3 {
  margin: 0 0 16px 0;
  text-align: center;
  font-family: 'Orbitron', sans-serif;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-shadow: 0 0 12px rgba(0,212,255,0.45);
}

.tutorial-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 13px;
  color: #cfd6e0;
  line-height: 1.4;
}

.tutorial-icon {
  flex-shrink: 0;
  width: 40px;
  text-align: center;
  font-size: 18px;
  font-family: 'Orbitron', sans-serif;
}

.tutorial-box button {
  width: 100%;
  margin-top: 6px;
  font-family: 'Inter', Arial, sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.03em;
  padding: 11px 16px;
  border: none;
  border-radius: 10px;
  background: var(--cyan);
  color: #05131a;
  cursor: pointer;
}
.tutorial-box button:active { transform: scale(0.97); }

.controls {
  position: fixed;
  bottom: 24px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 26px;
  z-index: 10;
}

.controls button {
  width: 84px;
  height: 84px;
  font-size: 30px;
  border: 1px solid var(--glass-border);
  border-radius: 22px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--cyan);
  cursor: pointer;
  transition: transform 0.1s ease, border-color 0.1s ease;
}

.controls button:hover { border-color: var(--cyan); }
.controls button:active { transform: scale(0.92); }
.controls button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

/* großer Start/Weiter/Nochmal-Button mittig — direkt erreichbar statt oben im Menü */
.center-start {
  position: fixed;
  left: 50%;
  top: 58%;
  transform: translate(-50%, -50%);
  z-index: 15;
  display: none;
}
.center-start.visible { display: block; }

.center-start button {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.1em;
  padding: 18px 44px;
  border: none;
  border-radius: 16px;
  background: var(--cyan);
  color: #05131a;
  cursor: pointer;
  box-shadow: 0 0 30px rgba(0,212,255,0.45), 0 12px 32px rgba(0,0,0,0.45);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.center-start button:hover { box-shadow: 0 0 44px rgba(0,212,255,0.65), 0 12px 32px rgba(0,0,0,0.45); }
.center-start button:active { transform: scale(0.95); }

/* niedrigste Qualitätsstufe: teure Blur-Filter über dem Canvas deaktivieren */
.no-blur * { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; }

/* ---- Mobile-Layout ---- */
@media (max-width: 720px) {
  .mobile-only { display: inline-flex; }

  /* Menü: kompakt, Icons statt Text */
  .menu {
    top: max(10px, env(safe-area-inset-top));
    left: max(10px, env(safe-area-inset-left));
    gap: 5px;
  }
  .menu button {
    padding: 8px 10px;
    font-size: 12px;
    border-radius: 9px;
  }
  .menu .btn-text { display: none; }

  /* HUD: schmale Leiste unter dem Menü */
  .hud {
    top: calc(max(10px, env(safe-area-inset-top)) + 46px);
    left: max(10px, env(safe-area-inset-left));
    gap: 10px;
    padding: 7px 12px;
    border-radius: 12px;
  }
  .hud-stat .label { font-size: 8px; margin-bottom: 3px; }
  .hud-stat .value { font-size: 14px; }
  .hud-divider { height: 18px; }

  /* Tacho: klein, oben rechts */
  .top-right-stack {
    top: max(10px, env(safe-area-inset-top));
    right: max(10px, env(safe-area-inset-right));
    gap: 8px;
  }
  .speedometer { padding: 4px 7px 6px; border-radius: 13px; }
  .speedometer svg { width: 68px; height: 68px; }
  .speedo-label { margin-top: -4px; }
  .speedo-label .value { font-size: 14px; }
  .speedo-label .unit { font-size: 7px; }

  /* Rangliste: nicht permanent, sondern als Overlay über den 🏆-Button */
  .ranking { display: none; }
  .ranking.open {
    display: block;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(320px, 88vw);
    z-index: 30;
    box-shadow: 0 24px 60px rgba(0,0,0,0.65);
  }
  .ranking.open .ranking-head button.mobile-only { display: flex; }
  .ranking.open ol { font-size: 14px; }

  /* Steuerungs-Buttons: kleiner, mit Safe-Area, halbtransparent */
  .controls {
    bottom: calc(14px + env(safe-area-inset-bottom));
    padding: 0 max(16px, env(safe-area-inset-left)) 0 max(16px, env(safe-area-inset-right));
  }
  .controls button {
    width: 62px;
    height: 62px;
    font-size: 24px;
    border-radius: 17px;
    opacity: 0.85;
  }

  /* Dialoge: an schmale Screens anpassen */
  .name-entry-box {
    min-width: 0;
    width: min(340px, 92vw);
    padding: 22px 20px;
  }
  .name-entry-box input { font-size: 18px; letter-spacing: 0.2em; }
  .tutorial-box { padding: 20px 18px; }
  .tutorial-row { font-size: 12px; margin-bottom: 10px; }
}

/* sehr flache Screens (Handy quer): nur Score+Level zeigen, Tacho minimal */
@media (max-height: 450px) {
  .hud > :nth-child(n+4) { display: none; }
  .hud { top: calc(max(8px, env(safe-area-inset-top)) + 42px); padding: 5px 10px; }
  .speedometer svg { width: 54px; height: 54px; }
}