*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #070b16;
  --ink: #e8f4ff;
  --dim: #6b7f9e;
  --accent: #22d3ee;
  --hot: #f0398b;
}

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
}

#stage {
  position: relative;
  width: min(100vw, calc(100vh * 1.6));
  aspect-ratio: 960 / 600;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: pointer;
  background: #070b16;
}

/* ---------- HUD ---------- */

#hud {
  position: absolute;
  inset: 0 0 auto 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 20px 24px;
  pointer-events: none;
  font-variant-numeric: tabular-nums;
}

#dist {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-shadow: 0 0 24px rgba(34, 211, 238, 0.35);
}

#dist em { font-size: 20px; font-style: normal; color: var(--dim); margin-left: 2px; }

.hud-right { font-size: 13px; color: var(--dim); padding-top: 10px; letter-spacing: 0.06em; }
.hud-right .lbl { opacity: 0.55; }
.hud-right .sep { opacity: 0.3; margin: 0 6px; }
#best, #attempts { color: var(--ink); }

/* ---------- Overlays ---------- */

#overlay, #gameover {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(7, 11, 22, 0.82);
  backdrop-filter: blur(3px);
  text-align: center;
}

#overlay.show, #gameover.show { display: flex; }

.panel { padding: 0 24px; }

h1 {
  margin: 0;
  font-size: clamp(48px, 9vw, 92px);
  letter-spacing: 0.12em;
  text-shadow: 0 0 40px rgba(34, 211, 238, 0.4);
}

h2 {
  margin: 0 0 20px;
  font-size: clamp(40px, 7vw, 68px);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.sub { color: var(--dim); margin: 12px 0 28px; font-size: 14px; letter-spacing: 0.04em; }
.key { color: var(--dim); font-size: 12px; letter-spacing: 0.08em; margin-top: 26px; }

kbd {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 4px;
  padding: 2px 6px;
  font: inherit;
  font-size: 11px;
  color: var(--ink);
}

.stats { display: flex; gap: 34px; justify-content: center; }
.stats div { display: flex; flex-direction: column; gap: 4px; }
.stats span { font-size: 24px; font-variant-numeric: tabular-nums; }
.stats em { font-size: 10px; font-style: normal; color: var(--dim); letter-spacing: 0.12em; }

.coach { color: var(--accent); font-size: 13px; margin: 24px 0 0; min-height: 1em; }

#replay-badge {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: none;
  padding: 5px 14px;
  border: 1px solid var(--hot);
  border-radius: 999px;
  color: var(--hot);
  font-size: 11px;
  letter-spacing: 0.2em;
}

#replay-badge.show { display: block; }

/* ---------- Porträtt: waven behöver bredd ---------- */

#rotate { display: none; }

@media (orientation: portrait) and (max-width: 900px) {
  #stage { display: none; }
  #rotate {
    display: flex;
    position: fixed;
    inset: 0;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--dim);
  }
  #rotate .icon {
    font-size: 56px;
    color: var(--accent);
    animation: tip 2s ease-in-out infinite;
  }
  #rotate p { font-size: 13px; letter-spacing: 0.08em; margin-top: 18px; }
}

@keyframes tip {
  0%, 100% { transform: rotate(0deg); }
  50%      { transform: rotate(90deg); }
}

/* ---------- Tuning (fas 0) ---------- */

#tuning {
  position: fixed;
  top: 16px;
  right: 16px;
  width: 250px;
  display: none;
  flex-direction: column;
  gap: 11px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  background: rgba(10, 16, 30, 0.94);
  font-size: 11px;
  z-index: 10;
}

#tuning.show { display: flex; }
#tuning h3 { margin: 0; font-size: 11px; letter-spacing: 0.16em; color: var(--dim); }
#tuning .hint { float: right; opacity: 0.5; letter-spacing: 0; }
#tuning label { display: grid; grid-template-columns: 1fr 1fr 34px; align-items: center; gap: 8px; color: var(--dim); }
#tuning input[type=range] { width: 100%; accent-color: var(--accent); }
#tuning input[type=number] {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  color: var(--ink);
  font: inherit;
  padding: 3px 6px;
  grid-column: 2 / 4;
}
#tuning output { text-align: right; color: var(--ink); font-variant-numeric: tabular-nums; }
#tuning button {
  margin-top: 4px;
  padding: 7px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 5px;
  background: transparent;
  color: var(--dim);
  font: inherit;
  cursor: pointer;
}
#tuning button:hover { color: var(--ink); border-color: var(--accent); }