/* ============================================================
   Layout + theming. Each theme sets CSS custom properties on
   body[data-theme=...]; everything else reads the variables.
   ============================================================ */

body[data-theme='clam'] {
  --accent: #3fd9c8;
  --accent-soft: rgba(63, 217, 200, 0.16);
  --bg: radial-gradient(1200px 700px at 20% -10%, #0e4a52 0%, #06222b 55%, #041820 100%);
  --panel: rgba(10, 48, 56, 0.72);
  --panel-edge: rgba(63, 217, 200, 0.25);
  --ink: #e7f6f3;
  --ink-dim: #9cc4bd;
}

body[data-theme='outbreak'] {
  --accent: #5ec1ff;
  --accent-soft: rgba(94, 193, 255, 0.16);
  --bg: radial-gradient(1200px 700px at 20% -10%, #1a3a6b 0%, #0a1426 55%, #060d1a 100%);
  --panel: rgba(13, 32, 64, 0.72);
  --panel-edge: rgba(94, 193, 255, 0.25);
  --ink: #eaf2fb;
  --ink-dim: #9db4cf;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  transition: background 0.6s ease;
}

.app {
  max-width: 1380px;
  margin: 0 auto;
  padding: 16px 20px 32px;
}

/* ----------------------------- header ----------------------------- */

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.brand h1 {
  margin: 0;
  font-size: 1.7rem;
  letter-spacing: 0.5px;
  text-shadow: 0 0 24px var(--accent-soft);
}

.tagline {
  margin: 2px 0 0;
  color: var(--ink-dim);
  font-size: 0.85rem;
  max-width: 60ch;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ----------------------------- layout ----------------------------- */

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 16px;
  align-items: start;
}

@media (max-width: 1080px) {
  .layout { grid-template-columns: 1fr; }
}

.board-panel {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 14px;
  padding: 10px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

canvas.board {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  border-radius: 8px;
  cursor: crosshair;
}

.ticker {
  margin: 8px 4px 0;
  min-height: 1.2em;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--accent);
}

/* ----------------------------- sidebar ----------------------------- */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hud {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 14px;
  padding: 12px;
}

.hud-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
}

.hud-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
}

.wave-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 14px;
  padding: 12px;
}

.start-btn { width: 100%; }
.start-btn em { font-style: normal; opacity: 0.85; }

.speed-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.wave-progress { --height: 8px; }

/* ----------------------------- shop ----------------------------- */

.shop {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 14px;
  padding: 12px;
}

.shop h2 {
  margin: 0 0 10px;
  font-size: 0.95rem;
}

.hint {
  font-weight: normal;
  font-size: 0.7rem;
  color: var(--ink-dim);
}

.shop-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.shop-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 6px;
  border-radius: 10px;
  border: 1.5px solid var(--panel-edge);
  background: rgba(0, 0, 0, 0.2);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
  transition: transform 0.08s ease, border-color 0.15s ease, background 0.15s ease;
}

.shop-card:hover { transform: translateY(-2px); border-color: var(--accent); }

.shop-card.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 0 14px var(--accent-soft);
}

.shop-card.broke { opacity: 0.45; }

.shop-emoji { font-size: 1.6rem; line-height: 1; }

.shop-name {
  font-size: 0.72rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
}

.shop-cost { font-size: 0.75rem; color: #ffd76a; }

.tip {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 220px;
}

.tip em { opacity: 0.8; }

.keys {
  margin: 0;
  font-size: 0.7rem;
  color: var(--ink-dim);
  text-align: center;
}

/* ----------------------------- drawer ----------------------------- */

.tower-sheet { display: flex; flex-direction: column; gap: 12px; }

.tower-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tower-emoji { font-size: 2.4rem; line-height: 1; }

.level-pips {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}

.pip {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(128, 128, 128, 0.35);
}

.pip.on { background: #ffd76a; box-shadow: 0 0 6px #ffd76a88; }

.level-pips .hint { margin-left: 6px; }

.flavor { margin: 0; font-style: italic; opacity: 0.85; }
.special { margin: 0; font-size: 0.9rem; }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0;
}

.stats > div {
  background: rgba(128, 128, 128, 0.1);
  border-radius: 8px;
  padding: 8px 10px;
}

.stats dt {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.65;
}

.stats dd { margin: 2px 0 0; font-size: 1.05rem; font-weight: 700; }

.tower-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ----------------------------- dialog ----------------------------- */

.end-stats {
  display: flex;
  gap: 24px;
  margin-top: 14px;
}