:root {
  color-scheme: light;
  --bg-top: #d9efff;
  --bg-bottom: #fef6e7;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-border: rgba(17, 48, 88, 0.14);
  --text: #14314f;
  --muted: #5d7795;
  --accent: #2f7af6;
  --accent-deep: #1f5ed2;
  --stamp: #f8b84e;
  --storm: #7b89a7;
  --home: #46a870;
  --danger: #d55757;
  --shadow: 0 16px 34px rgba(24, 63, 108, 0.15);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

a { color: inherit; }
button { font: inherit; }

.shell {
  width: min(1120px, calc(100% - 24px));
  margin: 0 auto;
  padding: 18px 0 28px;
}

.topbar {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
  font-size: 0.95rem;
  margin-bottom: 16px;
  color: var(--muted);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 18px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero {
  grid-column: 1 / -1;
  padding: 24px;
}

.eyebrow {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--accent-deep);
  font-weight: 700;
}

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 10px; font-size: clamp(2rem, 3vw, 2.8rem); }
.subtitle { margin-bottom: 0; max-width: 58ch; color: var(--muted); font-size: 1.05rem; }

.game-panel { padding: 20px; }
.sidebar { padding: 22px; }
.sidebar ul { margin: 0 0 14px; padding-left: 18px; line-height: 1.45; }
.tip { margin-bottom: 0; color: var(--muted); }

.hud {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.hud > div {
  background: rgba(255,255,255,0.68);
  border: 1px solid rgba(31,94,210,0.08);
  border-radius: 16px;
  padding: 10px 12px;
}

.label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 4px;
}

.message {
  margin: 14px 0 12px;
  min-height: 3.25rem;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(47, 122, 246, 0.1);
  color: var(--text);
  line-height: 1.4;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.chip {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: -2px;
}

.chip.gust { background: #7dc9ff; }
.chip.stamp { background: var(--stamp); }
.chip.storm { background: var(--storm); }
.chip.home { background: var(--home); }

.board {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.cell {
  position: relative;
  aspect-ratio: 1;
  border: 1px solid rgba(20,49,79,0.08);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(225,242,255,0.9));
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.cell:hover,
.cell:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 18px rgba(47, 122, 246, 0.14);
  border-color: rgba(47, 122, 246, 0.35);
  outline: none;
}

.cell.storm {
  background: linear-gradient(180deg, rgba(123,137,167,0.95), rgba(89,103,131,0.96));
}

.cell.start {
  box-shadow: inset 0 0 0 2px rgba(47, 122, 246, 0.42);
}

.cell.home {
  box-shadow: inset 0 0 0 2px rgba(70, 168, 112, 0.5);
}

.cell-content {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(1rem, 2vw, 1.55rem);
}

.cell-label {
  position: absolute;
  left: 7px;
  top: 6px;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(20,49,79,0.52);
}

.gust-arrow {
  width: 56%;
  height: 56%;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: #114169;
  background: rgba(125, 201, 255, 0.85);
  box-shadow: inset 0 -5px 0 rgba(17, 65, 105, 0.12);
  font-weight: 800;
}

.gust-arrow.fade-1 { opacity: 0.78; }
.gust-arrow.fade-2 { opacity: 0.55; }

.kite {
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.14));
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 18px rgba(47, 122, 246, 0.2);
}

button:hover,
button:focus-visible { background: var(--accent-deep); outline: none; }
button.secondary {
  background: rgba(20,49,79,0.08);
  color: var(--text);
  box-shadow: none;
}
button.secondary:hover,
button.secondary:focus-visible { background: rgba(20,49,79,0.14); }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 16px, 100%); }
  .hero, .game-panel, .sidebar { border-radius: 20px; }
  .hud { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .board { gap: 6px; }
  .cell { border-radius: 14px; }
}