:root {
  --bg-deep: #050818;
  --bg-mid: #0c1430;
  --panel: rgba(8, 14, 31, 0.78);
  --panel-border: rgba(173, 223, 255, 0.22);
  --text: #edf7ff;
  --muted: #9ab6d8;
  --accent: #7af7d6;
  --accent-strong: #ffcf70;
  --danger: #f472b6;
  --shadow: rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(18, 65, 120, 0.4), transparent 34%),
    radial-gradient(circle at 75% 18%, rgba(14, 173, 173, 0.22), transparent 24%),
    linear-gradient(160deg, var(--bg-deep), var(--bg-mid) 52%, #050610);
  color: var(--text);
  font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
}

body {
  position: relative;
}

#game {
  display: block;
  width: 100vw;
  height: 100vh;
  touch-action: none;
}

.hidden {
  display: none !important;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(
    180deg,
    rgba(2, 5, 13, 0.4),
    rgba(2, 5, 13, 0.78)
  );
  backdrop-filter: blur(4px);
}

.overlay-menu {
  background:
    radial-gradient(circle at center, rgba(17, 40, 88, 0.28), transparent 42%),
    linear-gradient(180deg, rgba(2, 5, 13, 0.35), rgba(2, 5, 13, 0.7));
}

.panel {
  width: min(920px, 100%);
  padding: 30px;
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(11, 19, 39, 0.9), rgba(8, 13, 27, 0.8)),
    var(--panel);
  box-shadow:
    0 24px 90px var(--shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.hero-panel {
  max-width: 920px;
}

.end-panel {
  max-width: 760px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

h1,
h2 {
  margin: 0;
  font-weight: 800;
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(3rem, 9vw, 5.8rem);
  line-height: 0.95;
}

h2 {
  font-size: clamp(2.2rem, 6vw, 3.4rem);
}

.hero-copy {
  margin: 18px 0 28px;
  max-width: 64ch;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.12rem);
  line-height: 1.6;
}

.instruction-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.instruction-card {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  line-height: 1.5;
}

.instruction-card span {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: rgba(122, 247, 214, 0.18);
  color: var(--accent);
  font-weight: 700;
}

.button-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 24px;
}

.summary-card {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
}

.summary-card strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
}

.results-board {
  margin: 0 0 24px;
  padding: 14px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.results-header,
.result-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 110px 86px;
  gap: 12px;
  align-items: center;
}

.results-header {
  padding: 0 10px 10px;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.results-list {
  display: grid;
  gap: 8px;
}

.result-row {
  padding: 12px 10px;
  border-radius: 16px;
  background: rgba(7, 12, 28, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-align: left;
}

.result-row.is-human {
  border-color: rgba(122, 247, 214, 0.26);
  background: rgba(10, 30, 38, 0.45);
}

.result-place {
  font-weight: 800;
  color: var(--accent);
}

.result-name {
  font-weight: 700;
}

.result-meta {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
}

.result-time,
.result-deaths {
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 180ms ease,
    filter 180ms ease,
    background 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.button:active {
  transform: translateY(1px);
}

.button.primary {
  background: linear-gradient(135deg, #8af8ff, #7af7d6 58%, #d5ff8b);
  color: #06121e;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hud {
  position: absolute;
  top: 18px;
  left: 18px;
  right: 18px;
  display: grid;
  grid-template-columns: minmax(110px, 150px) minmax(220px, 1fr) minmax(110px, 150px);
  gap: 12px;
  align-items: start;
  pointer-events: none;
}

.hud-card {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(7, 12, 28, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

.hud-card strong {
  display: block;
  margin-top: 5px;
  font-size: 0.96rem;
}

.hud-card-wide strong {
  color: #dff9ff;
}

.hud-label {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

@media (max-width: 860px) {
  .panel {
    padding: 24px;
    border-radius: 22px;
  }

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

  .hud-card strong {
    font-size: 0.92rem;
  }

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

  .results-header,
  .result-row {
    grid-template-columns: 60px minmax(0, 1fr) 94px 72px;
    gap: 10px;
  }
}