:root {
  --bg0: #0a0f1e;
  --bg1: #101a33;
  --bg2: #1f2b4d;
  --panel: rgba(10, 19, 37, 0.78);
  --panel-solid: #0d1830;
  --text: #e8f1ff;
  --muted: #a9b7d6;
  --accent: #1de0ff;
  --accent-soft: rgba(29, 224, 255, 0.18);
  --good: #6cff9a;
  --warn: #ffcf58;
  --bad: #ff5f7f;
  --line: rgba(123, 177, 225, 0.28);
  --shadow: 0 18px 36px rgba(2, 7, 18, 0.34);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, #233b7a 0%, transparent 34%),
    radial-gradient(circle at 80% 5%, #1f5a63 0%, transparent 25%),
    linear-gradient(160deg, var(--bg0), var(--bg1) 50%, var(--bg2));
  background-attachment: fixed;
}

.app {
  max-width: 1060px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  gap: 16px;
}

.topbar {
  padding: 18px 20px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(12, 27, 52, 0.9), rgba(9, 18, 35, 0.74)),
    radial-gradient(circle at top left, rgba(61, 169, 255, 0.18), transparent 38%);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.topbar::after {
  content: "";
  position: absolute;
  inset: auto -20% -50% 55%;
  height: 160px;
  background: radial-gradient(circle, rgba(34, 219, 255, 0.12), transparent 65%);
  pointer-events: none;
}

.topbar h1 {
  position: relative;
  margin: 0;
  font-size: clamp(1.7rem, 2.3vw, 2.7rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.topbar p {
  position: relative;
  margin: 6px 0 0;
  color: var(--muted);
  max-width: 760px;
}

.hud,
.panel,
.controls,
.legend {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hud {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  padding: 12px;
}

.stat {
  padding: 10px 11px;
  background:
    linear-gradient(180deg, rgba(6, 14, 27, 0.92), rgba(8, 19, 38, 0.8));
  border-radius: 12px;
  border: 1px solid rgba(80, 128, 180, 0.38);
  box-shadow: inset 0 1px 0 rgba(192, 225, 255, 0.06);
}

.label {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.value {
  font-size: 1.22rem;
  margin-top: 4px;
  font-weight: 700;
}

.panel {
  padding: 16px;
  line-height: 1.4;
}

.panel h2 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}

.card {
  border: 1px solid rgba(77, 128, 183, 0.42);
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(13, 27, 49, 0.96), rgba(10, 21, 39, 0.88));
  padding: 12px;
  box-shadow: inset 0 1px 0 rgba(214, 236, 255, 0.04);
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.card:hover {
  transform: translateY(-1px);
  border-color: rgba(109, 191, 255, 0.56);
  box-shadow: inset 0 1px 0 rgba(214, 236, 255, 0.05), 0 10px 22px rgba(0, 0, 0, 0.18);
}

.card strong {
  display: block;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(29, 224, 255, 0.4), 0 0 22px rgba(29, 224, 255, 0.12);
}

.card p {
  margin: 6px 0;
  font-size: 0.89rem;
  color: var(--muted);
}

.danger-chip {
  display: inline-block;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.danger-low {
  background: #1f4738;
  color: #8df7bb;
  border: 1px solid #3c7d64;
}

.danger-medium {
  background: #4c3b1a;
  color: #ffd578;
  border: 1px solid #7f6431;
}

.danger-high {
  background: #5a2528;
  color: #ff9da9;
  border: 1px solid #8a3d44;
}

.danger-extreme {
  background: #6a1e2e;
  color: #ff8ea8;
  border: 1px solid #ad425f;
}

button {
  border: 1px solid rgba(86, 156, 212, 0.65);
  background:
    linear-gradient(180deg, rgba(18, 67, 104, 0.98), rgba(9, 37, 61, 0.98));
  color: var(--text);
  border-radius: 10px;
  padding: 9px 12px;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: inset 0 1px 0 rgba(219, 239, 255, 0.09);
  transition: transform 120ms ease, filter 120ms ease, border-color 120ms ease;
}

button:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  border-color: rgba(119, 206, 255, 0.88);
}

button:active {
  transform: translateY(0);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.game-wrap {
  display: grid;
  gap: 10px;
}

canvas {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(81, 142, 191, 0.6);
  background: #08101d;
  box-shadow: inset 0 0 0 1px rgba(166, 209, 255, 0.05);
}

.legend {
  padding: 10px 12px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.85rem;
}

.swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}

.player { background: var(--accent); }
.dest { background: var(--good); }
.gang { background: var(--bad); }
.patrol { background: #ffa930; }
.flood { background: #4a7fbf; }

.controls {
  padding: 10px 12px;
  color: var(--muted);
}

.preview-wrap {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 12px;
  align-items: start;
  background: linear-gradient(180deg, rgba(10, 20, 37, 0.92), rgba(8, 17, 31, 0.84));
  border: 1px solid rgba(75, 124, 175, 0.35);
  border-radius: 14px;
  padding: 12px;
}

#routePreview {
  border: 1px solid rgba(84, 148, 201, 0.58);
  border-radius: 12px;
  background: #08101d;
}

.control-row {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.muted {
  color: var(--muted);
}

.bad { color: var(--bad); }
.good { color: var(--good); }
.warn { color: var(--warn); }

@media (max-width: 780px) {
  .hud {
    grid-template-columns: 1fr 1fr;
  }

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