/* =========================================================================
   VELOCITRON – HUD & overlay
   Alt 3D skjer i WebGL; denne fila styrer kun DOM-laget over canvaset.
   ========================================================================= */

:root {
  --neon-pink: #ff2d95;
  --neon-cyan: #00e5ff;
  --neon-purple: #a06bff;
  --neon-amber: #ffd166;
  --bg-deep: #05030f;
  --hud-dim: rgba(190, 210, 255, 0.55);
  --font-display: 'Orbitron', 'Avenir Next', 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
  color: #fff;
  font-family: var(--font-display);
  -webkit-font-smoothing: antialiased;
  cursor: crosshair;
}

#app,
#app canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ============================== HUD ============================== */

.hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  padding: clamp(16px, 3vw, 42px);
  text-transform: uppercase;
  animation: hud-in 1.2s ease-out both;
}

@keyframes hud-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

.hud__corner { position: absolute; }
.hud__corner--tl { top: clamp(16px, 3vw, 42px); left: clamp(16px, 3vw, 42px); }
.hud__corner--tr { top: clamp(16px, 3vw, 42px); right: clamp(16px, 3vw, 42px); text-align: right; }
.hud__corner--bl { bottom: clamp(16px, 3vw, 42px); left: clamp(16px, 3vw, 42px); }
.hud__corner--br { bottom: clamp(16px, 3vw, 42px); right: clamp(16px, 3vw, 42px); text-align: right; }

.hud__label {
  font-size: clamp(9px, 1vw, 11px);
  font-weight: 700;
  letter-spacing: 0.42em;
  color: var(--hud-dim);
  margin-bottom: 6px;
}

.hud__value {
  font-size: clamp(26px, 4.2vw, 52px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--neon-cyan);
  text-shadow:
    0 0 6px rgba(0, 229, 255, 0.9),
    0 0 22px rgba(0, 229, 255, 0.55),
    0 0 48px rgba(0, 229, 255, 0.25);
  font-variant-numeric: tabular-nums;
}

.hud__value--pink {
  color: var(--neon-pink);
  text-shadow:
    0 0 6px rgba(255, 45, 149, 0.9),
    0 0 22px rgba(255, 45, 149, 0.55),
    0 0 48px rgba(255, 45, 149, 0.25);
}

/* Kompakt variant – brukes der HUD-en har flere elementer i samme hjørne */
.hud__value--sm {
  font-size: clamp(20px, 2.6vw, 32px);
}

.hud__unit {
  font-size: 0.36em;
  letter-spacing: 0.2em;
  margin-left: 0.45em;
  color: var(--hud-dim);
  text-shadow: none;
}

.hud__label--spaced { margin-top: 16px; }

.hud__multiplier {
  margin-top: 8px;
  font-size: clamp(13px, 1.6vw, 18px);
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--neon-cyan);
  text-shadow: 0 0 12px rgba(0, 229, 255, 0.8);
}

/* Fartsindikator */
.hud__bar {
  position: relative;
  margin-top: 12px;
  width: clamp(140px, 22vw, 260px);
  height: 5px;
  background: rgba(120, 150, 255, 0.14);
  border: 1px solid rgba(0, 229, 255, 0.22);
  overflow: hidden;
}

.hud__bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink));
  box-shadow: 0 0 12px rgba(255, 45, 149, 0.8);
  transition: width 0.12s linear;
}

/* Merke der normal toppfart slutter og boost begynner (195 av 270) */
.hud__corner--bl .hud__bar::after {
  content: '';
  position: absolute;
  left: 72.2%;
  top: -3px;
  bottom: -3px;
  width: 1px;
  background: rgba(190, 210, 255, 0.55);
}

.hud__bar-fill--boost {
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-amber));
  box-shadow: 0 0 12px rgba(255, 209, 102, 0.7);
  transition: width 0.1s linear, opacity 0.2s ease;
}

.hud__bar-fill--boost.is-empty {
  opacity: 0.35;
}

.hud__bar-fill.is-boosting {
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-amber));
  box-shadow: 0 0 18px rgba(255, 209, 102, 0.95);
}

.hud__multiplier.is-boosting {
  color: var(--neon-amber);
  text-shadow: 0 0 14px rgba(255, 209, 102, 0.95);
}

/* Høydemåler: fylles fra høyre så den speiler fartsmåleren */
.hud__bar--right {
  margin-left: auto;
}

.hud__bar--right .hud__bar-fill {
  margin-left: auto;
  background: linear-gradient(270deg, var(--neon-cyan), var(--neon-purple));
  box-shadow: 0 0 12px rgba(160, 107, 255, 0.8);
}

.hud__bar-fill--integrity {
  background: linear-gradient(270deg, #4dffb0, var(--neon-cyan));
  box-shadow: 0 0 12px rgba(77, 255, 176, 0.7);
  transition: width 0.25s ease-out, background 0.3s ease;
}

.hud__bar-fill--integrity.is-critical {
  background: linear-gradient(270deg, var(--neon-pink), #ff7a3d);
  box-shadow: 0 0 14px rgba(255, 45, 149, 0.9);
}

.hud__status {
  margin-top: 12px;
  font-size: clamp(10px, 1.1vw, 13px);
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--hud-dim);
}

.hud__dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.25; }
}

/* ============================ Overlay ============================ */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(ellipse at center, rgba(10, 4, 28, 0.55) 0%, rgba(3, 2, 10, 0.92) 75%);
  backdrop-filter: blur(3px);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.overlay.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.overlay__title {
  margin: 0;
  font-size: clamp(42px, 11vw, 132px);
  font-weight: 900;
  letter-spacing: 0.12em;
  color: #fff;
  text-shadow:
    0 0 10px rgba(255, 45, 149, 0.9),
    0 0 40px rgba(255, 45, 149, 0.6),
    0 0 90px rgba(160, 107, 255, 0.5);
  animation: flicker 6s infinite;
}

@keyframes flicker {
  0%, 92%, 100% { opacity: 1; }
  93%           { opacity: 0.45; }
  95%           { opacity: 1; }
  96%           { opacity: 0.6; }
}

.overlay__subtitle {
  margin: 10px 0 34px;
  font-size: clamp(10px, 1.6vw, 15px);
  font-weight: 700;
  letter-spacing: 0.55em;
  color: var(--neon-cyan);
  text-shadow: 0 0 14px rgba(0, 229, 255, 0.7);
}

.overlay__hint {
  margin: 0 0 18px;
  font-size: clamp(11px, 1.4vw, 15px);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  animation: pulse 2.2s ease-in-out infinite;
}

.overlay__keys {
  margin: 0;
  font-size: clamp(9px, 1.1vw, 12px);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--hud-dim);
}

.key {
  display: inline-block;
  min-width: 26px;
  margin: 0 3px;
  padding: 4px 7px;
  border: 1px solid rgba(0, 229, 255, 0.4);
  border-radius: 4px;
  color: var(--neon-cyan);
  box-shadow: inset 0 0 10px rgba(0, 229, 255, 0.15);
}

/* Melding midt på skjermen, f.eks. fullført poengbånd */
.hud__toast {
  position: absolute;
  left: 50%;
  top: 34%;
  transform: translate(-50%, -50%) scale(0.94);
  opacity: 0;
  pointer-events: none;

  font-size: clamp(13px, 1.9vw, 22px);
  font-weight: 900;
  letter-spacing: 0.28em;
  white-space: nowrap;
  color: var(--neon-amber, #ffd166);
  text-shadow:
    0 0 12px rgba(255, 209, 102, 0.9),
    0 0 40px rgba(255, 209, 102, 0.5);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.hud__toast.is-active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  transition: opacity 0.12s ease-out, transform 0.22s cubic-bezier(0.2, 1.4, 0.4, 1);
}

/* Lydknapp. HUD-en er gjennomklikkbar, så knappen må slå det på for seg selv. */
.hud__mute {
  position: absolute;
  left: 50%;
  bottom: clamp(16px, 3vw, 42px);
  transform: translateX(-50%);
  pointer-events: auto;
  cursor: pointer;

  padding: 7px 16px;
  background: rgba(10, 6, 28, 0.5);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 4px;
  color: var(--hud-dim);

  font-family: inherit;
  font-size: clamp(9px, 1vw, 11px);
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  transition: color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.hud__mute:hover,
.hud__mute:focus-visible {
  color: var(--neon-cyan);
  border-color: rgba(0, 229, 255, 0.7);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.3);
  outline: none;
}

.hud__mute.is-muted {
  color: var(--neon-pink);
  border-color: rgba(255, 45, 149, 0.55);
}

/* Blink ved sammenstøt */
.fx-hit {
  position: fixed;
  inset: 0;
  z-index: 28;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease-out;
  background: radial-gradient(
    ellipse at center,
    rgba(255, 45, 149, 0) 30%,
    rgba(255, 45, 149, 0.8) 100%
  );
}

.fx-hit.is-active {
  opacity: 1;
  transition: opacity 0.04s ease-in;
}

/* Fargenøkkel for hindertypene på startskjermen */
.legend {
  display: inline-block;
  width: 22px;
  height: 6px;
  margin: 0 6px 0 14px;
  vertical-align: middle;
  border-radius: 2px;
}
.legend--pink   { background: var(--neon-pink);   box-shadow: 0 0 10px var(--neon-pink); }
.legend--cyan   { background: var(--neon-cyan);   box-shadow: 0 0 10px var(--neon-cyan); }
.legend--purple { background: var(--neon-purple); box-shadow: 0 0 10px var(--neon-purple); }
.legend--amber  { background: #ffd166;            box-shadow: 0 0 10px #ffd166; }

/* Sluttskjerm: nøkkeltall */
.overlay--gameover .overlay__title {
  color: var(--neon-pink);
  text-shadow:
    0 0 12px rgba(255, 45, 149, 1),
    0 0 46px rgba(255, 45, 149, 0.7),
    0 0 100px rgba(255, 45, 149, 0.4);
}

.stats {
  width: min(420px, 82vw);
  margin: 4px auto 26px;
  text-align: left;
}

.stats__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 9px 2px;
  border-bottom: 1px solid rgba(0, 229, 255, 0.16);
}

.stats__label {
  font-size: clamp(9px, 1vw, 11px);
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--hud-dim);
}

.stats__value {
  font-size: clamp(16px, 2.2vw, 24px);
  font-weight: 900;
  color: var(--neon-cyan);
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 10px rgba(0, 229, 255, 0.7);
}

.overlay__record {
  margin: 0 0 20px;
  font-size: clamp(11px, 1.4vw, 15px);
  font-weight: 700;
  letter-spacing: 0.34em;
  color: var(--neon-amber, #ffd166);
  text-shadow: 0 0 16px rgba(255, 209, 102, 0.85);
  animation: pulse 1.4s ease-in-out infinite;
}

/* Navnefelt paa start- og sluttskjermen */
.namefield {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 0 0 26px;
}

.namefield__label {
  font-size: clamp(9px, 1vw, 11px);
  font-weight: 700;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--hud-dim);
}

.namefield__input {
  pointer-events: auto;
  width: clamp(160px, 24vw, 240px);
  padding: 10px 14px;

  background: rgba(10, 6, 28, 0.6);
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: 4px;
  color: var(--neon-cyan);

  font-family: inherit;
  font-size: clamp(13px, 1.7vw, 18px);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-align: center;
  text-transform: uppercase;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.namefield__input::placeholder {
  color: rgba(190, 210, 255, 0.35);
  letter-spacing: 0.2em;
}

.namefield__input:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.35), inset 0 0 12px rgba(0, 229, 255, 0.1);
}

.overlay__rank {
  margin: 0 0 18px;
  font-size: clamp(12px, 1.6vw, 17px);
  font-weight: 900;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  text-shadow: 0 0 16px rgba(0, 229, 255, 0.8);
}

/* ========================== CRT-effekter ========================== */

.fx-scanlines {
  position: fixed;
  inset: 0;
  z-index: 30;
  pointer-events: none;
  opacity: 0.22;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.55) 3px,
    rgba(0, 0, 0, 0.55) 4px
  );
}

.fx-vignette {
  position: fixed;
  inset: 0;
  z-index: 29;
  pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0) 45%, rgba(0, 0, 0, 0.75) 100%);
}

@media (prefers-reduced-motion: reduce) {
  .hud, .hud__dot, .overlay__title, .overlay__hint { animation: none; }
}