/*
 * TheChess.Art — Puzzle Game layout
 * Heatmap sıfırlama oyunu: heatmap + boş tahta + piece dock.
 */

.puzzle {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 18px;
  padding: 18px 24px 24px;
  height: calc(100vh - 57px);
  overflow: hidden;
}

/* Sidebar: zorluk, timer, skor */
.side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px;
}
.card__label {
  font-size: 10px;
  letter-spacing: var(--letter-widest);
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 8px;
}
.card__value {
  font-family: var(--font-serif);
  font-size: 40px;
  line-height: 1;
  color: var(--primary);
}
.card__value--accent { color: var(--accent); }
.card__value.is-danger { color: var(--accent); }
.card__footnote {
  margin-top: 10px;
  font-size: 11px;
  color: var(--secondary);
  letter-spacing: var(--letter-wide);
}

.timer {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.timer__bar {
  position: relative;
  height: 6px;
  margin-top: 12px;
  background: var(--panel-2);
  border-radius: 3px;
  overflow: hidden;
}
.timer__bar-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-hot));
  transform-origin: left;
  transform: scaleX(1);
  transition: transform 0.3s linear, background 0.3s;
}
.timer__bar-fill.is-danger {
  background: linear-gradient(90deg, #ff2d2d, #ff5c5c);
  animation: pulse 0.6s ease-in-out infinite alternate;
}
@keyframes pulse {
  from { opacity: 0.7; }
  to { opacity: 1; }
}

.difficulty {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-top: 10px;
}
.difficulty button {
  padding: 8px 0;
  font-size: 10px;
  letter-spacing: var(--letter-wide);
  text-transform: uppercase;
  color: var(--secondary);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
}
.difficulty button:hover { color: var(--primary); border-color: var(--secondary); }
.difficulty button.is-active {
  color: var(--body);
  background: var(--primary);
  border-color: var(--primary);
  font-weight: 700;
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

/* Board area */
.play {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 14px;
  min-height: 0;
}

.board-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.board-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 100%;
  max-height: 100%;
}

#puzzleBoard {
  width: 100%;
  height: 100%;
  display: block;
  border: 1px solid var(--muted);
  border-radius: var(--radius-sm);
  touch-action: none;
  cursor: grab;
}
#puzzleBoard.is-grabbing { cursor: grabbing; }

.badge-row {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  gap: 8px;
  pointer-events: none;
}
.badge {
  padding: 5px 10px;
  font-size: 10px;
  letter-spacing: var(--letter-wide);
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(15, 15, 15, 0.85);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
}
.badge--accent {
  color: #0a0a0a;
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 700;
}

/* Dock */
.dock {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 90px;
}
.dock__label {
  font-size: 10px;
  letter-spacing: var(--letter-widest);
  text-transform: uppercase;
  color: var(--secondary);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  user-select: none;
}
.dock__slots {
  display: flex;
  flex: 1;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.dock-piece {
  width: 58px;
  height: 58px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Segoe UI Symbol', serif;
  font-size: 38px;
  cursor: grab;
  user-select: none;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.dock-piece:hover { border-color: var(--accent); transform: translateY(-2px); }
.dock-piece.is-selected { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.dock-piece.is-used { opacity: 0.3; pointer-events: none; }
.dock-piece--white { color: #fafafa; text-shadow: 0 0 0 #0a0a0a, -1px -1px 0 #0a0a0a, 1px 1px 0 #0a0a0a; }
.dock-piece--black { color: #0a0a0a; text-shadow: 0 0 0 #fafafa, -1px -1px 0 #fafafa, 1px 1px 0 #fafafa; }

/* Overlay */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 24px;
}
.overlay.is-open { display: flex; }
.overlay__panel {
  max-width: 420px;
  padding: 36px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.overlay__title {
  font-family: var(--font-serif);
  font-size: 36px;
  line-height: 1;
}
.overlay__score {
  font-family: var(--font-serif);
  font-size: 72px;
  color: var(--accent);
  line-height: 1;
}
.overlay__stars {
  display: inline-flex;
  gap: 6px;
  justify-content: center;
  font-size: 32px;
  letter-spacing: 6px;
  margin: 4px 0 8px;
}
.overlay__stars span { opacity: 0.25; transition: opacity 0.4s, transform 0.4s; color: var(--gold); }
.overlay__stars span.is-on { opacity: 1; transform: scale(1.1); }

.combo-toast {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  padding: 16px 32px;
  font-family: var(--font-serif);
  font-size: 42px;
  color: var(--accent);
  background: rgba(15, 15, 15, 0.7);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  pointer-events: none;
  opacity: 0;
  z-index: 120;
  transition: opacity 0.2s, transform 0.3s;
  letter-spacing: 0.04em;
}
.combo-toast.is-show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.overlay__label { font-size: 11px; letter-spacing: var(--letter-widest); text-transform: uppercase; color: var(--secondary); }
.overlay__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 12px 0;
}
.overlay__stat {
  padding: 12px 8px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.overlay__stat b { font-family: var(--font-serif); font-size: 22px; display: block; }
.overlay__actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 8px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 12px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 12px;
  letter-spacing: var(--letter-wide);
  color: var(--primary);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med), transform var(--t-med);
  z-index: 150;
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.is-error { border-color: var(--accent); color: var(--accent); }
.toast.is-success { border-color: #6ad17a; color: #6ad17a; }

@media (max-width: 1100px) {
  .puzzle { grid-template-columns: 1fr; padding: 14px; }
  .side { display: grid; grid-template-columns: repeat(3, 1fr); }
  .side .actions { grid-column: 1 / -1; flex-direction: row; }
  .card { padding: 12px; }
  .card__value { font-size: 28px; }
}