:root {
  --bg-1: #0b1a2b;
  --bg-2: #14100e;
  --ink: #f6f2e6;
  --panel: rgba(8, 11, 15, 0.85);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at 20% 15%, #2e4966, transparent 40%),
    radial-gradient(circle at 80% 20%, #5a2b1d, transparent 35%),
    linear-gradient(180deg, var(--bg-1), var(--bg-2));
  color: var(--ink);
  overflow: hidden;
}

#game {
  width: 100vw;
  height: 100vh;
  display: block;
}

#hud {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 5;
  background: rgba(8, 11, 15, 0.62);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 8px;
  line-height: 1.2;
  font-size: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  max-width: min(420px, 92vw);
  pointer-events: none;
}

#hud .hud-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(90px, 1fr));
  gap: 6px;
}

#hud .hud-card {
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 9px;
  padding: 5px 7px;
}

#hud .hud-label {
  opacity: 0.82;
  font-size: 11px;
}

#hud .hud-value {
  font-size: 14px;
  font-weight: 700;
  margin-top: 2px;
}

#hud .hud-bar {
  margin-top: 5px;
  height: 7px;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 7px;
  overflow: hidden;
}

#hud .hud-fill {
  height: 100%;
  border-radius: 7px;
}

#hud .hud-fill.hp {
  background: linear-gradient(90deg, #f55e5e, #7fdf73);
}

#hud .hud-fill.speed {
  background: linear-gradient(90deg, #6dc3ff, #4976ff);
}

#hud .hud-fill.morale {
  background: linear-gradient(90deg, #f05f57, #f5c85a, #6fdb7b);
}

#hud .speedometer {
  position: relative;
  margin-top: 5px;
  height: 18px;
}

#hud .speedometer-dial {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 10px;
  border-radius: 12px 12px 0 0;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-bottom: 0;
  background: linear-gradient(90deg, rgba(90, 170, 255, 0.35), rgba(255, 111, 111, 0.35));
}

#hud .speedometer-needle {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 2px;
  height: 14px;
  background: #fff5d6;
  transform-origin: bottom center;
  box-shadow: 0 0 6px rgba(255, 245, 214, 0.7);
}

#hud .hud-line {
  margin-top: 5px;
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  align-items: center;
}

#hud .tag {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 99px;
  padding: 3px 8px;
  font-size: 10px;
}

#hud .tag.warn {
  background: rgba(229, 174, 64, 0.2);
}

#hud .tag.bad {
  background: rgba(221, 96, 96, 0.26);
}

#hud .roster {
  margin-top: 6px;
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

#hud .rescued-strip {
  margin-top: 5px;
  padding: 4px 7px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(255, 255, 255, 0.05);
  font-size: 13px;
  line-height: 1.2;
  word-break: break-word;
}

#hud .chip {
  border-radius: 999px;
  padding: 3px 7px;
  font-size: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

#hud .hud-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

#hud .hud-mini {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

#hud .hud-btn {
  pointer-events: auto;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.12);
  color: var(--ink);
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
}

#hud .hud-detail {
  display: none;
}

#hud.open .hud-detail {
  display: block;
}

#controls {
  position: fixed;
  bottom: 12px;
  left: 12px;
  right: 12px;
  z-index: 7;
  display: flex;
  gap: 10px;
  justify-content: space-between;
  pointer-events: none;
}

#controls button {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  color: var(--ink);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  touch-action: manipulation;
  pointer-events: auto;
  min-width: 58px;
  box-shadow: 0 5px 0 rgba(0, 0, 0, 0.35);
}

#left-btn,
#right-btn {
  background: linear-gradient(180deg, #4377d1, #33569a);
}

#pedal-btn {
  background: linear-gradient(180deg, #ff6b4f, #c83b2b);
  transform: scale(1.08);
}

#brake-btn {
  background: linear-gradient(180deg, #f2bf4a, #b88927);
}

#attack-btn {
  background: linear-gradient(180deg, #68b15a, #3b7f39);
}

#overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  background: rgba(0, 0, 0, 0.72);
  display: grid;
  place-items: center;
}

#overlay.hidden {
  display: none;
}

#overlay-content {
  background: rgba(15, 18, 22, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.14);
  width: min(820px, 92vw);
  border-radius: 12px;
  padding: 18px;
}

#overlay-content p {
  margin-top: 8px;
}

#overlay-content .choices {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

#overlay-content .manifest-box {
  max-height: 160px;
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 8px;
  background: rgba(0, 0, 0, 0.2);
}

#overlay-content .manifest-row {
  font-size: 13px;
  padding: 4px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
}

#overlay-content .manifest-row:last-child {
  border-bottom: 0;
}

#overlay-content button {
  background: #212735;
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--ink);
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
}

#overlay-content.intro-panel {
  width: min(980px, 94vw);
  border-radius: 16px;
  border: 3px solid #111;
  color: #111;
  background:
    radial-gradient(circle at 12px 12px, rgba(0, 0, 0, 0.2) 2px, transparent 3px) 0 0/18px 18px,
    linear-gradient(135deg, #ffd54f, #ff8a5b 38%, #ff5f6d 68%, #6a7bff);
  box-shadow: 0 14px 0 #111;
}

.intro-wrap {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
  align-items: stretch;
}

.intro-visual {
  background: rgba(255, 255, 255, 0.26);
  border: 3px solid #111;
  border-radius: 12px;
  padding: 10px;
  display: grid;
  place-items: center;
}

.intro-visual img {
  width: 100%;
  max-width: 170px;
  image-rendering: pixelated;
}

.intro-title {
  font-size: clamp(24px, 4.2vw, 44px);
  line-height: 0.95;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-weight: 900;
  color: #111;
  text-shadow: 2px 2px 0 #fff2;
}

.intro-sub {
  margin-top: 8px;
  font-weight: 700;
  color: #222;
}

.intro-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.intro-box {
  background: rgba(255, 255, 255, 0.28);
  border: 3px solid #111;
  border-radius: 10px;
  padding: 10px;
}

.intro-box h3 {
  font-size: 14px;
  margin-bottom: 6px;
}

.intro-box p {
  margin-top: 4px;
  font-size: 13px;
  color: #1d1d1d;
}

.intro-actions {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.difficulty-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.difficulty-label {
  font-weight: 800;
  color: #1d1d1d;
}

#overlay-content.intro-panel .diff-btn {
  background: rgba(255, 255, 255, 0.58);
  border: 2px solid #111;
  color: #111;
  font-weight: 800;
  border-radius: 10px;
  padding: 8px 12px;
}

#overlay-content.intro-panel .diff-btn.active {
  background: #111;
  color: #fff;
}

#overlay-content.intro-panel .start-btn {
  background: #111;
  color: #fff;
  border: 2px solid #111;
  font-weight: 800;
  border-radius: 10px;
  padding: 11px 16px;
}

#overlay-content.intro-panel .meta {
  background: rgba(255, 255, 255, 0.35);
  border: 2px dashed #111;
  color: #1a1a1a;
  border-radius: 9px;
  padding: 10px 12px;
}

@media (max-width: 760px) {
  #hud {
    top: 6px;
    left: 6px;
    font-size: 10px;
    padding: 6px;
    max-width: min(330px, 92vw);
  }

  #hud .hud-grid {
    grid-template-columns: repeat(2, minmax(86px, 1fr));
  }

  #hud .hud-value {
    font-size: 12px;
  }

  #hud .hud-card {
    padding: 4px 6px;
  }

  #hud .rescued-strip {
    font-size: 12px;
  }

  #controls button {
    font-size: 12px;
    padding: 12px 14px;
    min-width: 64px;
  }

  .intro-wrap {
    grid-template-columns: 1fr;
  }

  .intro-grid {
    grid-template-columns: 1fr;
  }
}