:root {
  --bg: #0b0d10;
  --box: #11161c;
  --food: #33d17a;
  --cell: #58a6ff;
  --grid: #1b222b;
}

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  font-family: system-ui, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

.wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding-inline: 244px; /* space for stats panels (+8px buffer) */
  box-sizing: border-box;
}

.container {
  position: relative;
  width: min(92vw, 900px);
}

#box {
  width: 100%;
  height: min(70vh, 650px);
  background: var(--box);
  border: 2px solid #202833;
  border-radius: 8px;
  position: relative;
  box-shadow: 0 10px 40px rgba(0,0,0,.4), inset 0 0 0 1px #0e1319;
  cursor: crosshair;
  overflow: hidden;
}

.freeze-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(135, 206, 250, 0.15); /* Light blue frost effect */
  backdrop-filter: blur(1px);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  z-index: 100;
  border-radius: 6px;
}

.freeze-overlay.active {
  opacity: 1;
}

.freeze-overlay.fade-in {
  animation: freezeFadeIn 0.4s ease-in-out;
}

.freeze-overlay.fade-out {
  animation: freezeFadeOut 0.6s ease-in-out;
}

@keyframes freezeFadeIn {
  0% {
    opacity: 0;
    backdrop-filter: blur(0px);
  }
  50% {
    opacity: 1;
    backdrop-filter: blur(2px);
  }
  100% {
    opacity: 0.8;
    backdrop-filter: blur(1px);
  }
}

@keyframes freezeFadeOut {
  0% {
    opacity: 0.8;
    backdrop-filter: blur(1px);
  }
  100% {
    opacity: 0;
    backdrop-filter: blur(0px);
  }
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 6px;
}

.hud {
  position: absolute;
  inset: auto 10px 10px auto;
  color: #9fb0c3;
  font-size: 12px;
  background: #0f1318cc;
  padding: 6px 8px;
  border: 1px solid #1c2530;
  border-radius: 6px;
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
}

.spawn-btn {
  padding: 8px 16px;
  background-color: #1c2530;
  color: #9fb0c3;
  border: 1px solid #2a3441;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  transition: all 0.2s ease;
  position: absolute;
  z-index: 10;
}

.spawn-btn:hover {
  background-color: #2a3441;
}

.spawn-btn.active {
  background-color: #58a6ff;
  color: #0b0d10;
  border-color: #58a6ff;
}

.help-btn {
  background-color: #58a6ff;
  color: #0b0d10;
  border-color: #58a6ff;
  font-weight: bold;
}

.help-btn:hover {
  background-color: #6cb6ff;
}

.food-btn {
  top: -50px;
  left: 0;
}

.cell-btn {
  bottom: -50px;
  left: 0;
}

.shift-tip {
  position: absolute;
  bottom: -50px;   /* same anchor row as your .cell-btn */
  left: 0;         /* align with Spawn Cell button origin */
  transform: translateX(calc(-100% - 12px)); /* move left of the button with a gap */
  padding: 6px 8px;
  font-size: 12px;
  line-height: 1.2;
  color: #9fb0c3;
  background: #0f1318;
  border: 1px solid #2a3441;
  border-radius: 4px;
  pointer-events: none;  /* non-interactive */
  opacity: 0.95;
}

/* Position the whole food control group where Spawn Food used to sit */
.food-group {
  position: absolute;
  top: -50px;  /* same as your old .food-btn */
  left: 0;
}

/* Inside the group, cancel the global absolute buttons so we can lay them out inline */
.spawn-group .spawn-btn,
.control-group .spawn-btn {
  position: static;
}


.spawn-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Small clock button footprint */
.spawn-group .auto-btn {
  padding: 8px 10px;
  min-width: 38px;
  line-height: 1;
}

/* Dropdown attached under the group */
.spawn-group .auto-panel {
  position: absolute;
  top: 110%;   /* opens below; switch to bottom:110%; top:auto to open above */
  left: 0;
  background: #0f1318;
  border: 1px solid #2a3441;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 12px;
  color: #c8d4e0;
  z-index: 50;
  min-width: 240px;
  box-shadow: 0 10px 30px rgba(0,0,0,.45);
}

.spawn-group .auto-title {
  font-size: 12px;
  opacity: 0.85;
  margin-bottom: 8px;
}

.spawn-group .auto-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.spawn-group .auto-opt {
  border: 1px solid #2a3441;
  background: #121821;
  color: #c8d4e0;
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 12px;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.spawn-group .auto-opt:hover {
  transform: translateY(-1px);
  background: #182131;
  border-color: #3a4657;
}

/* Visual hint when auto is enabled */
.spawn-group .auto-btn.active {
  outline: 2px solid #3a8dde;
  outline-offset: 1px;
  border-color: #3a8dde;
}
/* Position the whole cell control group where Spawn Cell used to sit */
.cell-group {
  position: absolute;
  bottom: -50px; /* same row as old .cell-btn */
  left: 0;
}

/* Inside the group, cancel global absolute for inline layout */
.cell-group .spawn-btn {
  position: static;
}

/* Dropdown attached under the group, opens upward to avoid overlap if needed */
/* Change to top:110%; bottom:auto to open below */
.cell-group .cell-panel {
  position: absolute;
  bottom: 110%;
  left: 0;
  background: #0f1318;
  border: 1px solid #2a3441;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 12px;
  color: #c8d4e0;
  z-index: 50;
  min-width: 220px;
  box-shadow: 0 10px 30px rgba(0,0,0,.45);
}

.cell-group .cell-title {
  font-size: 12px;
  opacity: 0.85;
  margin-bottom: 8px;
}

.cell-group .cell-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.cell-group .cell-opt {
  border: 1px solid #2a3441;
  background: #121821;
  color: #c8d4e0;
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 12px;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.cell-group .cell-opt:hover {
  transform: translateY(-1px);
  background: #182131;
  border-color: #3a4657;
}

/* Visual color of Spawn Cell button after choosing a type (matches JS: type-blue / type-purple) */
#spawnCellBtn.type-blue {
  background-color: hsl(210, 80%, 60%);
  color: #0b0d10;
  border-color: hsl(210, 80%, 60%);
}

#spawnCellBtn.type-purple {
  background-color: hsl(270, 80%, 60%);
  color: #0b0d10;
  border-color: hsl(270, 80%, 60%);
}

/* Bottom-right controls (Pause, Wipe) */
.control-group {
  position: absolute;
  bottom: -50px; /* same vertical row as .cell-group */
  right: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Reuse base .spawn-btn look; only tweak specifics */
.pause-btn.active {
  background-color: #2a3441;
  border-color: #3a4657;
}

/* Red wipe button */
.wipe-btn {
  background-color: #3a1010;
  border-color: #5a1515;
  color: #f2c9c9;
}
.wipe-btn:hover {
  background-color: #4a1414;
  border-color: #7a1c1c;
}
/* --- Stats side panels --- */
.stats-panel {
  position: absolute;
  top: 0;            /* bottom removed so JS height wins */
  width: 220px;
  padding: 10px 12px;
  background: #0f1318cc;
  border: 1px solid #1c2530;
  border-radius: 8px;
  color: #c8d4e0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 20;
}
.stats-panel.left  { left: -244px; }   /* shifted out by 8px */
.stats-panel.right { right: -248px; }  /* shifted out by 8px */

.stat-title { font-size: 13px; opacity: 0.85; }
.stat-line  { display: flex; justify-content: space-between; font-size: 12px; }

.meter {
  height: 6px;
  background: #121821;
  border: 1px solid #2a3441;
  border-radius: 6px;
  overflow: hidden;
  margin: 4px 0 8px;
}
.meter .fill { height: 100%; width: 0%; background: #58a6ff; }
.meter .fill.purple { background: hsl(270, 80%, 60%); }
.meter .fill.red    { background: hsl(0, 80%, 60%);   }


.spark { width: 100%; height: 40px; display:block; }

.trait-block { margin-top: 4px; }
.trait-row   { font-size: 12px; opacity: 0.8; margin-bottom: 2px; }
/* Fullscreen mode */
.wrap.is-fullscreen { padding-inline: 0; }
.wrap.is-fullscreen .stats-panel { display: none; }
.wrap.is-fullscreen .spawn-group.food-group { display: inline-flex; position: absolute; top: 12px; left: 12px; }
.wrap.is-fullscreen .spawn-group.cell-group { display: inline-flex; position: absolute; bottom: 12px; left: 12px; }

/* Expand canvas to full viewport */
.wrap.is-fullscreen .container { position: fixed; inset: 0; width: 100vw; height: 100vh; max-width: none; }
.wrap.is-fullscreen #box       { position: absolute; inset: 0; width: 100%; height: 100%; }
.wrap.is-fullscreen #world     { width: 100%; height: 100%; display: block; }

/* Keep controls visible in a corner */
.wrap.is-fullscreen .control-group { position: absolute; bottom: 12px; right: 12px; }

/* Fullscreen button active state */
.fullscreen-btn.active {
  background-color: #2a3441;
  border-color: #3a4657;
}
.wrap.is-fullscreen { overflow: hidden; }
#spawnCellBtn.type-red {
  background-color: hsl(0, 80%, 60%);
  color: #0b0d10;
  border-color: hsl(0, 80%, 60%);
}
/* Kill tool button + cursor */
.kill-btn {
  background-color: #4a1414;
  border-color: #7a1c1c;
  color: #f2c9c9;
}
.kill-btn.active {
  background-color: #7a1c1c;
  border-color: #a52222;
}
#world.kill-cursor { cursor: crosshair; }
/* Keep stats panels within their box height and make content scrollable */
.stats-panel {
  height: auto;           /* JS sets exact px height */
  box-sizing: border-box; /* include padding+border in that height */
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  scrollbar-gutter: stable;
  padding-right: 8px; /* small gutter so scrollbar doesn't overlap content */
}

/* optional: slimmer scrollbars (supported engines only) */
.stats-panel::-webkit-scrollbar { width: 8px; }
.stats-panel::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 8px; }
.stats-panel::-webkit-scrollbar-track { background: transparent; }
/* Make side panels match canvas height (use explicit top+height; ignore bottom) */
.stats-panel { bottom: auto !important; }
/* ── Mini terminal ─────────────────────────────────────────────── */
.mini-term {
  margin-top: 16px;
  padding: 10px;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(88,134,187,0.25);
}


.mini-term .mt-header {
  font-size: 12px;
  letter-spacing: .04em;
  opacity: .7;
}
.mini-term .mt-out {
  height: 120px;              /* fits in the left panel; panel already scrolls */
  overflow-y: auto;
  font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
  color: #c9d1d9;
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(88,134,187,0.2);
  border-radius: 6px;
  padding: 6px 8px;
}
.mini-term .mt-in {
  height: 32px;
  font: 12px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: #e6edf3;
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(88,134,187,0.3);
  border-radius: 6px;
  outline: none;
  padding: 0 8px;
}
.mini-term .mt-in::placeholder { color: rgba(230,237,243,0.45); }
/* keep space so content above doesn't overlap the terminal */
.stats-panel.left { padding-bottom: 160px; }

/* place the terminal at the bottom of the left stats panel */
#leftStats .mini-term {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  margin-top: 0;
}
/* Title */
.app-header {
  position: fixed;
  top: 8px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  pointer-events: none; /* don’t block the Spawn Food button */
  z-index: 1000;
}

.app-title {
  font: 700 18px/1.2 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  letter-spacing: 0.2em;
  color: #e6edf3;
  text-transform: uppercase;
  opacity: 0.9;
}
/* hide title in fullscreen if you want pure canvas */
.wrap.is-fullscreen .app-header { display: none; }
.container { position: relative; }  /* anchor the absolute header */
/* Food growth rate slider (0–5) */
/* Button-styled growth slider */
.grow-rate {
  /* inherits button visuals from .spawn-btn */
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 10px;
  margin-left: 10px;
  vertical-align: middle;
  color: #e6edf3;
}

/* label + numeric value match button text */
.grow-rate .grow-label,
.grow-rate .grow-value {
  color: #e6edf3;
  opacity: 0.9;
  font-size: 12px;
  line-height: 1;
}

/* slider visuals (dark UI) */
.grow-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 110px;
  height: 18px;
  background: transparent;
  outline: none;
}
.grow-slider:focus { outline: none; }

/* WebKit */
.grow-slider::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 3px;
  background: rgba(230,237,243,0.35);
}
.grow-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #e6edf3;
  border: 1px solid rgba(0,0,0,0.25);
  margin-top: -5px; /* center on 4px track */
}

/* Firefox */
.grow-slider::-moz-range-track {
  height: 4px;
  border-radius: 3px;
  background: rgba(230,237,243,0.35);
}
.grow-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #e6edf3;
  border: 1px solid rgba(0,0,0,0.25);
}

.grow-label {
  font-size: 12px;
  opacity: 0.8;
}
.grow-slider {
  width: 110px;
  height: 18px;
}
.grow-value {
  min-width: 1.2em;
  text-align: right;
  font-variant-numeric: tabular-nums;
  opacity: 0.85;
}

/* ========== Game UI Styles ========== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  animation: fadeIn 0.3s ease;
}

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

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

.modal {
  background: #0f1318;
  border: 2px solid #2a3441;
  border-radius: 16px;
  padding: 32px;
  max-width: 600px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
  animation: slideUp 0.3s ease;
  color: #c8d4e0;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal h1 {
  margin: 0 0 16px;
  font-size: 24px;
  color: #58a6ff;
  text-align: center;
}

.modal p {
  margin: 12px 0;
  line-height: 1.6;
  color: #9fb0c3;
}

.btn-primary, .btn-secondary, .btn-small {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  transition: all 0.2s;
}

.btn-primary {
  background: #58a6ff;
  color: #0b0d10;
  font-weight: 600;
}

.btn-primary:hover {
  background: #6cb6ff;
}

.btn-secondary {
  background: transparent;
  color: #9fb0c3;
  border: 1px solid #2a3441;
}

.btn-secondary:hover {
  border-color: #3a4657;
  color: #c8d4e0;
}

.btn-small {
  background: #2a3441;
  color: #c8d4e0;
  font-size: 12px;
}

.btn-small:hover {
  background: #3a4657;
}

.modal-buttons {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  justify-content: center;
}

.custom-modal {
  max-width: 700px;
}

.custom-modal h2 {
  margin: 0 0 20px;
  font-size: 22px;
  color: #58a6ff;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
  color: #c8d4e0;
}

.form-group input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: #2a3441;
  border-radius: 3px;
  outline: none;
}

.form-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: #58a6ff;
  border-radius: 50%;
  cursor: pointer;
}

.form-group input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: #58a6ff;
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.form-group input[type="color"] {
  width: 50px;
  height: 30px;
  border: 1px solid #2a3441;
  border-radius: 4px;
  cursor: pointer;
}

.form-group select {
  width: 100%;
  padding: 8px;
  background: #1c2530;
  border: 1px solid #2a3441;
  border-radius: 4px;
  color: #c8d4e0;
  font-family: inherit;
}

.trait-sliders {
  max-height: 400px;
  overflow-y: auto;
  margin: 20px 0;
}

.menu-modal {
  max-width: 800px;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.scenario-card {
  background: #121821;
  border: 1px solid #2a3441;
  border-radius: 8px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.scenario-card:hover {
  border-color: #58a6ff;
  background: #1a2330;
  transform: translateY(-2px);
}

.scenario-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: #58a6ff;
}

.scenario-card p {
  margin: 0;
  font-size: 13px;
}

.tutorial-tooltip h2 {
  font-size: 18px;
  color: #58a6ff;
  margin: 0 0 12px;
}

.tutorial-tooltip button {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
}

/* Welcome modal adjustments */
.welcome-modal {
  text-align: center;
}

.welcome-modal h1 {
  font-size: 28px;
  margin-bottom: 24px;
}

.welcome-modal p {
  font-size: 15px;
  line-height: 1.7;
  color: #9fb0c3;
}

/* Help modal styling */
.help-modal h3 {
  color: #58a6ff;
  font-size: 16px;
  margin: 20px 0 12px 0;
}

.help-modal ul {
  list-style: none;
  padding-left: 0;
}

.help-modal li {
  margin: 6px 0;
  padding-left: 20px;
  position: relative;
}

.help-modal li:before {
  content: "•";
  color: #58a6ff;
  position: absolute;
  left: 0;
}

.help-modal pre {
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  line-height: 1.6;
  color: #c8d4e0;
}

.modal-overlay[hidden] {
  display: none !important;
}