:root {
  --bg: #1a1a2e;
  --surface: #16213e;
  --surface2: #0f3460;
  --accent: #e94560;
  --text: #eaeaea;
  --text-dim: #8b8b9e;
  --border: #2a2a4a;
  --radius: 10px;
}

/* Ensure [hidden] works even when element has an explicit display value in CSS */
[hidden] { display: none !important; }

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
}

/* ---- Shared button style ---- */
button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  transition: opacity 0.15s, transform 0.1s;
}
button:hover { opacity: 0.85; }
button:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-secondary {
  background: var(--surface2);
  color: var(--text);
}
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- Canvas ---- */
canvas {
  border-radius: 12px;
  display: block;
}

#game-canvas {
  touch-action: none;
  cursor: grab;
}
#game-canvas.dragging { cursor: grabbing; }

/* ======================================
   GAME PAGE (index.html)
   ====================================== */

#game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

#game-header h1 {
  font-size: 22px;
  color: var(--accent);
  letter-spacing: 1px;
}

#game-header a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
}
#game-header a:hover { color: var(--text); }

#header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}


/* Level select */
#level-select-wrap {
  padding: 32px 24px;
}

@media (min-width: 701px) {
  #level-select-wrap {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
    padding: 32px 48px;
  }
}

#level-select-wrap h2 {
  margin-bottom: 20px;
  font-size: 18px;
  color: var(--text-dim);
}

#level-select {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.level-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: border-color 0.2s, transform 0.15s;
  position: relative;
  cursor: pointer;
}
.level-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.level-badge {
  position: absolute;
  top: 8px;
  right: 10px;
  font-size: 18px;
  line-height: 1;
  min-width: 1em;
}

.level-thumb-wrap {
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.level-thumb {
  border-radius: 6px;
  image-rendering: pixelated;
  max-width: 120px;
  max-height: 120px;
  pointer-events: none;
}

.level-name {
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  color: var(--text);
}

.level-par {
  font-size: 11px;
  color: var(--text-dim);
  text-align: center;
}

.btn-play {
  background: var(--accent);
  color: #fff;
  width: 100%;
  padding: 7px;
  font-size: 13px;
}

#import-section {
  display: flex;
  gap: 12px;
  align-items: center;
}

#import-section span {
  color: var(--text-dim);
  font-size: 14px;
}

/* Achievements footer */
#achievements-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 0 24px 40px;
}

#patreon-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
}
#patreon-link:hover { color: var(--text); }

/* Confirmation dialog */
dialog {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 40px;
  color: var(--text);
  max-width: 300px;
  text-align: center;
}
dialog[open] {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
}
dialog::backdrop {
  background: rgba(10, 10, 20, 0.8);
}
dialog p {
  font-size: 16px;
  font-weight: 600;
}
dialog small {
  color: var(--text-dim);
  font-size: 13px;
}
.dialog-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 8px;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
}

.setting-row input {
  width: 16px;
  height: 16px;
}

/* Game container */
#game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
  gap: 16px;
}

#hud {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 20px;
  width: 100%;
  max-width: 520px;
  justify-content: space-between;
}

#hud-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#hud-moves-wrap {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

#hud-par {
  font-size: 14px;
  color: var(--text-dim);
}

#hud-moves {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  min-width: 40px;
  text-align: center;
}

#hud-actions {
  display: flex;
  gap: 8px;
}

/* Confetti overlay */
#confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 101;
}

/* Win overlay */
#win-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 20, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

#win-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 48px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

#win-box h2 {
  font-size: 36px;
  color: var(--accent);
}

#win-box p {
  color: var(--text-dim);
  font-size: 16px;
}

#win-box strong {
  color: var(--text);
  font-size: 24px;
}

#win-buttons {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

/* ======================================
   EDITOR PAGE (editor.html)
   ====================================== */

#editor-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

#toolbar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

#toolbar h1 {
  font-size: 16px;
  color: var(--accent);
  letter-spacing: 0.5px;
}

.toolbar-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toolbar-section label,
.section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.toolbar-section input[type="text"],
.toolbar-section input[type="number"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 7px 10px;
  font-size: 14px;
  width: 100%;
}

.size-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.size-row input {
  width: 56px !important;
}

.size-row span {
  color: var(--text-dim);
}

.tool-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.tool-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 6px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
}

.tool-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

#color-swatches {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
  margin-bottom: 6px;
}

.color-swatch {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.1s, border-color 0.1s;
}

.color-swatch:hover { transform: scale(1.15); }
.color-swatch.active { border-color: #fff; }

input[type="color"] {
  width: 100%;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  cursor: pointer;
  padding: 2px;
}

#piece-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 200px;
  overflow-y: auto;
}

.piece-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 12px;
  transition: border-color 0.15s;
}

.piece-item:hover { border-color: var(--text-dim); }
.piece-item.selected { border-color: #fff; }

.piece-swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  flex-shrink: 0;
}

.piece-label {
  flex: 1;
  color: var(--text);
}

.btn-target {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 3px 7px;
  font-size: 11px;
  border-radius: 4px;
  white-space: nowrap;
}

.btn-target.active {
  background: #ff6b6b22;
  border-color: #ff6b6b;
  color: #ff6b6b;
}

.toolbar-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 4px 0;
}

.btn-full {
  width: 100%;
  text-align: center;
}

#editor-main {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 32px;
  background: var(--bg);
}

#editor-canvas {
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

/* Editor header link */
#editor-header-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 4px;
}
#editor-header-link:hover { color: var(--text); }

/* Canvas wrapper (centers canvas inside game-container) */
#canvas-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile landscape: sidebar layout */
@media (orientation: landscape) and (max-height: 500px) {
  /* Hide header in game mode to reclaim vertical space */
  body:has(#game-container:not([hidden])) #game-header {
    display: none;
  }

  #game-container {
    flex-direction: row;
    align-items: stretch;
    padding: 12px;
    gap: 12px;
    height: 100vh;
    height: 100dvh;
  }

  #canvas-wrap {
    flex: 1;
  }

  #hud {
    flex-direction: column;
    width: 110px;
    min-width: 110px;
    align-self: stretch;
    padding: 12px 10px;
    justify-content: center;
    gap: 16px;
  }

  #hud-title {
    max-width: 100%;
    white-space: normal;
    text-align: center;
    font-size: 11px;
    word-break: break-word;
  }

  #hud-moves-wrap {
    flex-direction: column;
    align-items: center;
    gap: 2px;
  }

  #hud-moves {
    font-size: 22px;
    min-width: unset;
  }

  #hud-par {
    font-size: 11px;
  }

  #hud-actions {
    flex-direction: column;
    gap: 8px;
  }
}

/* Responsive */
@media (max-width: 700px) {
  #game-header a { display: none; }
  #editor-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  #toolbar {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  #editor-main {
    padding: 16px;
  }
}