:root {
  --bg: #04070b;
  --panel: rgba(10, 13, 18, 0.9);
  --accent: #3ef2c2;
  --accent-2: #3f8cff;
  --danger: #ff4a4a;
  --text: #e7ecf2;
  --muted: #98a4b7;
  --border: rgba(255, 255, 255, 0.08);
  --glow: rgba(66, 164, 255, 0.28);
  --font-main: 'Quantico', 'Space Grotesk', system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 20%, rgba(62,242,194,0.08), transparent 25%),
              radial-gradient(circle at 80% 10%, rgba(63,140,255,0.12), transparent 24%),
              linear-gradient(140deg, #03050a 0%, #060a12 42%, #04070b 100%);
  color: var(--text);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
}

body.play { min-height: 100vh; overflow: hidden; }

.hero {
  position: relative;
  padding: 64px 8vw 56px;
  overflow: hidden;
  background: linear-gradient(120deg, rgba(7,11,16,0.92), rgba(10,16,22,0.94)),
              radial-gradient(circle at 30% 10%, rgba(62,242,194,0.2), transparent 45%),
              radial-gradient(circle at 80% 40%, rgba(63,140,255,0.16), transparent 40%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 18px 80px rgba(0,0,0,0.42);
}

.hero__layer {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(62,242,194,0.08), transparent 35%, rgba(63,140,255,0.12));
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at 50% 40%, rgba(0,0,0,0.3), rgba(0,0,0,0));
  pointer-events: none;
}

.hero__content {
  max-width: 760px;
  position: relative;
  z-index: 1;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eyebrow {
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 12px;
  margin: 0 0 10px;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(38px, 6vw, 58px);
  letter-spacing: 0.02em;
}

.lede {
  margin: 0 0 20px;
  color: var(--muted);
  max-width: 680px;
  line-height: 1.6;
}

.layout {
  padding: 28px 6vw 48px;
  display: grid;
  gap: 18px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 14px 60px rgba(0,0,0,0.38), 0 0 0 1px rgba(255,255,255,0.02) inset;
  padding: 18px 20px;
}

.info h3 { margin: 0 0 10px; letter-spacing: 0.06em; text-transform: uppercase; font-size: 14px; }
.info h4 { margin: 8px 0 6px; font-size: 15px; letter-spacing: 0.04em; }
.info p { margin: 0; }
.info .muted { color: var(--muted); line-height: 1.6; }
.info ul { list-style: none; margin: 0; padding: 0; color: var(--muted); display: grid; gap: 6px; }
.info__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-top: 12px; }

.game-shell {
  background: rgba(5,8,12,0.9);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 16px 70px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.03) inset;
  padding: 12px;
  display: grid;
  gap: 12px;
}

.hud-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  align-items: center;
}

.hud-chip {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.hud-chip .value { color: var(--text); font-weight: 700; font-size: 16px; letter-spacing: 0.02em; }

.hud-actions { display: flex; gap: 8px; justify-content: flex-end; }

.canvas-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 14px;
  overflow: hidden;
  background: radial-gradient(circle at 20% 20%, rgba(62,242,194,0.05), transparent 30%), #000;
  border: 1px solid var(--border);
  box-shadow: 0 18px 70px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.03) inset;
}

canvas {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
}

.play-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: clamp(8px, 2vw, 16px);
  gap: 10px;
  background: linear-gradient(160deg, #04070b 0%, #050b12 60%, #04070b 100%);
}

.play-hud {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(7,9,14,0.92);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.play-canvas-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  border-radius: 14px;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--border);
  box-shadow: 0 18px 70px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.03) inset;
  display: grid;
  place-items: center;
}

.play-canvas-wrap canvas {
  width: 100%;
  height: 100%;
  max-width: 1200px;
  max-height: calc(100vh - 130px);
}

@media (max-width: 640px) {
  body.play { overflow: hidden; }
  .play-hud { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hud-actions { grid-column: 1 / -1; justify-content: center; }
  .play-canvas-wrap canvas { max-height: calc(100vh - 200px); }
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.64);
  backdrop-filter: blur(6px);
}

.overlay.hidden { display: none; }

.overlay__card {
  background: #0c1219;
  border: 1px solid var(--border);
  padding: 28px 32px;
  border-radius: 14px;
  box-shadow: 0 14px 50px rgba(0,0,0,0.45);
  max-width: 520px;
  text-align: center;
}

.overlay__card.alert {
  background: #2a0d0d;
  border-color: rgba(255,74,74,0.35);
  box-shadow: 0 16px 60px rgba(255,74,74,0.28);
}

.overlay__card h2 { margin: 6px 0 12px; }

.overlay__card .flag-text {
  word-break: break-all;
  white-space: normal;
  margin: 12px 0;
  font-weight: 700;
}

.btn {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 10px;
  font-family: var(--font-main);
  letter-spacing: 0.02em;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
  text-decoration: none;
}

.btn.small { padding: 8px 12px; font-size: 13px; }

.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,0.18); }

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #041018;
  border: none;
  box-shadow: 0 6px 18px var(--glow);
}

.btn.ghost { background: rgba(255,255,255,0.05); color: var(--text); }

.cta-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }

@media (max-width: 900px) {
  .hero { padding: 48px 6vw 34px; }
  .layout { padding: 22px 5vw 40px; }
  .hud-bar { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
}

@media (max-width: 640px) {
  .hud-actions { width: 100%; justify-content: center; }
  .canvas-wrap { aspect-ratio: 1 / 1; }
}