/* ═══════════════════════════════════════════════════════════════
   TRAP THE MOUSE — style.css
   ═══════════════════════════════════════════════════════════════ */

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

:root {
  --bg:       #0d1117;
  --surface:  #161b22;
  --surface2: #21262d;
  --border:   #30363d;
  --teal:     #39d353;
  --amber:    #f0a500;
  --red:      #f85149;
  --blue:     #58a6ff;
  --purple:   #bc8cff;
  --text:     #e6edf3;
  --muted:    #7d8590;
  --radius:   10px;
  --cell-size: clamp(52px, 10vw, 76px);
}

html { font-size: 15px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
}
.header-inner {
  max-width: 1280px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 20px;
}
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.45rem; font-weight: 700; letter-spacing: -0.5px; }
.logo-icon { font-size: 1.8rem; }
.logo em { color: var(--amber); font-style: normal; }
.subtitle { color: var(--muted); font-size: 0.8rem; letter-spacing: 0.04em; }

.layout {
  flex: 1;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 260px 1fr 340px;
  gap: 18px;
  padding: 20px 18px;
  align-items: start;
}

.panel { display: flex; flex-direction: column; gap: 14px; }
.panel-center { align-items: center; gap: 20px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.card-title {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.toggle-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.toggle-label { font-size: 0.82rem; color: var(--muted); transition: color 0.2s; }
#lbl-minimax.active, #lbl-ab.active { color: var(--text); font-weight: 600; }

.toggle-switch { position: relative; display: inline-block; width: 46px; height: 24px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; inset: 0;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 24px;
  cursor: pointer;
  transition: background 0.25s;
}
.slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 2px; top: 2px;
  background: var(--muted);
  border-radius: 50%;
  transition: transform 0.25s, background 0.25s;
}
.toggle-switch input:checked + .slider { background: var(--teal); }
.toggle-switch input:checked + .slider::before { transform: translateX(22px); background: #fff; }

.algo-badge {
  display: inline-block;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--amber);
  letter-spacing: 0.04em;
}
.algo-badge.ab { color: var(--teal); border-color: var(--teal); }

.depth-row { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
input[type=range] {
  flex: 1; -webkit-appearance: none;
  height: 4px; border-radius: 4px;
  background: var(--surface2); outline: none; cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--amber); border: 2px solid var(--bg);
  box-shadow: 0 0 6px var(--amber);
}
.depth-value {
  font-family: 'Courier New', monospace;
  font-size: 1.3rem; font-weight: 700;
  color: var(--amber); min-width: 24px; text-align: center;
}
.depth-hint { font-size: 0.72rem; color: var(--muted); }

.stat-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.stat-list li { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; }
.stat-key { color: var(--muted); }
.stat-val { font-family: 'Courier New', monospace; font-weight: 700; color: var(--teal); }

.status-box {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface2); border-radius: 8px;
  padding: 10px 14px; margin-bottom: 10px;
}
.status-icon { font-size: 1.3rem; }
.status-text { font-weight: 600; font-size: 0.9rem; color: var(--text); }
.status-box.win-mouse  { border-left: 3px solid var(--amber); }
.status-box.win-trap   { border-left: 3px solid var(--teal); }
.status-box.in-play    { border-left: 3px solid var(--blue); }

.turn-indicator { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; }
.turn-label { color: var(--muted); font-size: 0.8rem; }
.turn-badge {
  background: var(--blue); color: #000;
  font-weight: 700; font-size: 0.72rem;
  border-radius: 20px; padding: 2px 10px;
}
.turn-badge.ai { background: var(--amber); }

.instruction-list { list-style: none; display: flex; flex-direction: column; gap: 7px; font-size: 0.8rem; line-height: 1.5; color: var(--muted); }
.instruction-list strong { color: var(--text); }
.instruction-list em { color: var(--amber); font-style: normal; }

.btn-restart {
  width: 100%; padding: 11px;
  background: transparent; border: 1.5px solid var(--border);
  border-radius: var(--radius); color: var(--text);
  font-size: 0.88rem; font-weight: 600; cursor: pointer;
  transition: background 0.18s, border-color 0.18s;
  letter-spacing: 0.04em;
}
.btn-restart:hover { background: var(--surface2); border-color: var(--muted); }

.board-wrapper {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 18px;
  box-shadow: 0 0 40px rgba(57,211,83,0.06);
}
.board {
  display: grid;
  grid-template-columns: repeat(5, var(--cell-size));
  grid-template-rows: repeat(5, var(--cell-size));
  gap: 5px;
}

.cell {
  width: var(--cell-size); height: var(--cell-size);
  border-radius: 8px; background: var(--surface2);
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.12s, box-shadow 0.15s;
  position: relative; overflow: hidden; user-select: none;
}
.cell:hover:not(.cell-block):not(.cell-mouse) {
  background: rgba(88,166,255,0.12); border-color: var(--blue); transform: scale(1.04);
}
.cell.edge { border-color: rgba(57,211,83,0.35); background: rgba(57,211,83,0.06); }
.cell.edge:hover:not(.cell-block):not(.cell-mouse) { background: rgba(57,211,83,0.18); border-color: var(--teal); }

.cell.cell-block { background: rgba(248,81,73,0.15); border-color: var(--red); cursor: default; }
.cell.cell-block::after { content: '🧱'; font-size: calc(var(--cell-size) * 0.42); }

.cell.cell-mouse {
  background: rgba(240,165,0,0.15); border-color: var(--amber);
  box-shadow: 0 0 14px rgba(240,165,0,0.35); cursor: default;
}
.cell.cell-mouse::after {
  content: '🐭'; font-size: calc(var(--cell-size) * 0.52);
  animation: mousePulse 1.6s ease-in-out infinite;
}

@keyframes mousePulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.12); }
}
.cell.cell-mouse.moving { animation: mouseMove 0.35s ease-out; }
@keyframes mouseMove {
  0%   { background: rgba(240,165,0,0.5); transform: scale(1.15); }
  100% { background: rgba(240,165,0,0.15); transform: scale(1); }
}

.legend { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; font-size: 0.75rem; color: var(--muted); }
.legend-item { display: flex; align-items: center; gap: 5px; }
.legend-dot { width: 12px; height: 12px; border-radius: 3px; border: 1px solid transparent; }
.dot-mouse  { background: rgba(240,165,0,0.3); border-color: var(--amber); }
.dot-block  { background: rgba(248,81,73,0.3); border-color: var(--red); }
.dot-empty  { background: var(--surface2); border-color: var(--border); }
.dot-edge   { background: rgba(57,211,83,0.2); border-color: var(--teal); }

.card-tree { flex: 1; }
.tree-hint { font-size: 0.78rem; color: var(--muted); margin-bottom: 10px; text-align: center; }
.tree-scroll {
  overflow-x: auto; overflow-y: auto; max-height: 460px;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 6px;
}
#tree-svg { display: block; }

.tree-node-max    { fill: rgba(240,165,0,0.15); stroke: var(--amber); }
.tree-node-min    { fill: rgba(88,166,255,0.12); stroke: var(--blue); }
.tree-node-pruned { fill: rgba(248,81,73,0.12); stroke: var(--red); stroke-dasharray: 4; }
.tree-node-best   { fill: rgba(188,140,255,0.2); stroke: var(--purple); }
.tree-edge        { stroke: var(--border); stroke-width: 1.5; }
.tree-edge-best   { stroke: var(--purple); stroke-width: 2; }
.tree-text        { fill: var(--text); font-family: 'Courier New', monospace; font-size: 9px; }
.tree-val         { fill: var(--teal); font-family: 'Courier New', monospace; font-size: 8.5px; font-weight: 700; }
.tree-label       { fill: var(--muted); font-family: 'Segoe UI', sans-serif; font-size: 7.5px; }

.tree-legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.tl-item { display: flex; align-items: center; gap: 5px; font-size: 0.7rem; color: var(--muted); }
.tl-dot { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid; }
.tl-max    { background: rgba(240,165,0,0.2); border-color: var(--amber); }
.tl-min    { background: rgba(88,166,255,0.15); border-color: var(--blue); }
.tl-pruned { background: rgba(248,81,73,0.15); border-color: var(--red); }
.tl-best   { background: rgba(188,140,255,0.2); border-color: var(--purple); }

.tree-depth-note { margin-top: 10px; font-size: 0.7rem; color: var(--muted); line-height: 1.6; text-align: center; }
.tree-depth-note em { color: var(--teal); font-style: normal; }

.site-footer {
  text-align: center; padding: 14px;
  border-top: 1px solid var(--border);
  color: var(--muted); font-size: 0.72rem; letter-spacing: 0.04em;
}

.cell.disabled { pointer-events: none; opacity: 0.7; }
.board-wrapper.game-over .cell:not(.cell-mouse):not(.cell-block) { cursor: default; pointer-events: none; }

#mode-label { color: var(--blue); border-color: var(--blue); }
.turn-label { color: var(--muted); font-size: 0.8rem; }
#ai-controls { display: flex; flex-direction: column; gap: 14px; transition: opacity 0.2s; }
.cell.legal-hint { border-color: var(--amber); background: rgba(240,165,0,0.08); }

@media (max-width: 1050px) {
  .layout { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; }
  .panel-left   { grid-column: 1; grid-row: 1; }
  .panel-center { grid-column: 2; grid-row: 1; }
  .panel-right  { grid-column: 1 / -1; grid-row: 2; }
}

/* ── MODAL MENANG / KALAH ───────────────────────────────────── */
.result-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.25s ease;
}
.result-overlay.hidden {
  display: none;
}

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

@keyframes popIn {
  from { transform: scale(0.75); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}

.result-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 40px 48px;
  text-align: center;
  max-width: 380px;
  width: 90%;
  animation: popIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 24px 60px rgba(0,0,0,0.6);
}

.result-emoji {
  font-size: 4rem;
  margin-bottom: 12px;
  line-height: 1;
}

.result-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}
.result-modal.mouse-wins .result-title { color: var(--teal); }
.result-modal.trap-wins  .result-title { color: var(--red); }

.result-subtitle {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 28px;
  line-height: 1.5;
}

.result-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.btn-play-again {
  background: var(--teal);
  color: #0d1117;
  border: none;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.15s;
}
.btn-play-again:hover { opacity: 0.85; transform: translateY(-1px); }

.btn-close-modal {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-close-modal:hover { background: var(--border); }

  :root { --cell-size: clamp(48px, 17vw, 64px); }
  .layout { grid-template-columns: 1fr; padding: 12px 10px; }
  .panel-left, .panel-center, .panel-right { grid-column: 1; grid-row: auto; }
  .header-inner { flex-direction: column; align-items: flex-start; gap: 4px; }
}