:root {
  --ink: #3b2f2a;
  --ink-soft: #7d6b5c;
  --paper: #f1e8d4;
  --paper-2: #e2d5b8;
  --paper-hi: #fff8e6;
  --green: #5c9a3b;
  --danger: #b5523b;
  --fog: #ddd5c8;
  --line: #3b2f2a;           /* panel borders and their hard shadows */
  --on-accent: #fff8e6;      /* text on green and red buttons */
  --backdrop: rgba(59, 47, 42, 0.45);
  --font: 'Pixelify Sans', ui-monospace, 'Courier New', monospace;
  --gap: 8px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* Dark mode: set on <html> by the theme toggle (Auto follows the system setting). */
:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #ece2cc;
  --ink-soft: #a89a8a;
  --paper: #2f2a33;
  --paper-2: #3f3944;
  --paper-hi: #4a4350;
  --green: #4f8a33;
  --danger: #a8483a;
  --fog: #2a2730;
  --line: #121015;
  --backdrop: rgba(10, 8, 12, 0.6);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--fog);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#world {
  position: fixed;
  inset: 0 auto auto 0;
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  touch-action: none;
  cursor: grab;
}
#world:active { cursor: grabbing; }

.icon {
  width: 24px;
  height: 24px;
  image-rendering: pixelated;
  flex: none;
}

/* Chunky pixel panels: hard border + offset shadow, no blur. */
.panel {
  background: var(--paper);
  border: 2px solid var(--line);
  box-shadow: 0 3px 0 var(--line);
  border-radius: 0;
}

/* --- HUD ----------------------------------------------------------------- */

.hud {
  position: fixed;
  top: calc(var(--gap) + var(--safe-top));
  left: var(--gap);
  right: var(--gap);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
}
.hud > * { pointer-events: auto; }
.hud-left { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.hud-right { display: flex; gap: 6px; pointer-events: auto; }

.bar {
  display: block;
  height: 8px;
  background: var(--paper-2);
  border: 2px solid var(--line);
  position: relative;
}
.bar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--green);
}

.still {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  font-size: 13px;
}
.still .bar { width: 64px; }
.still .bar i { background: #8fb4d8; }
.still b { font-variant-numeric: tabular-nums; min-width: 3.2em; }
.still-label { color: var(--ink-soft); }

.stat {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 6px;
  min-height: 44px;
}
.stat b { font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }
.stack { display: flex; flex-direction: column; line-height: 1.05; }
.stack small { color: var(--ink-soft); font-size: 13px; }

/* --- Buttons ---------------------------------------------------------------- */

.btn {
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  border: 2px solid var(--line);
  box-shadow: 0 3px 0 var(--line);
  padding: 8px 14px;
  min-height: 44px;
  cursor: pointer;
  touch-action: manipulation;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn:hover { background: var(--paper-hi); }
.btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--line); }
.btn.small { min-height: 36px; padding: 4px 10px; }
.btn.danger { color: var(--on-accent); background: var(--danger); }
.btn.primary { background: var(--green); color: var(--on-accent); }
.btn.primary:hover { background: #67a843; }
.btn:disabled { opacity: 0.5; cursor: default; transform: none; box-shadow: 0 3px 0 var(--line); }
.btn:focus-visible, .tool:focus-visible { outline: 2px dashed var(--ink); outline-offset: 3px; }

.icon-btn { width: 44px; padding: 0; }
/* Icons are drawn for light paper; a soft light backing keeps them readable on dark panels. */
:root[data-theme="dark"] .icon-btn .icon,
:root[data-theme="dark"] .stat .icon { background: rgba(241, 232, 212, 0.12); }
.icon-btn .icon { width: 24px; height: 24px; }
.burger, .burger::before, .burger::after {
  display: block;
  width: 18px;
  height: 3px;
  background: var(--ink);
  position: relative;
}
.burger::before, .burger::after { content: ''; position: absolute; left: 0; }
.burger::before { top: -6px; }
.burger::after { top: 6px; }

/* --- Toolbar ------------------------------------------------------------------ */

.dock {
  position: fixed;
  left: 50%;
  bottom: calc(var(--gap) + 3px + var(--safe-bottom));
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  max-width: calc(100vw - 2 * var(--gap));
}

#tools {
  display: flex;
  gap: 4px;
  padding: 4px;
  max-width: 100%;
}

.tool {
  font: inherit;
  color: var(--ink);
  background: transparent;
  border: 2px solid transparent;
  min-width: 72px;
  padding: 6px 6px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: pointer;
  touch-action: manipulation;
}
.tool .icon { width: 32px; height: 32px; }
.tool .name { font-size: 15px; font-weight: 600; }
.tool .cost { font-size: 13px; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.tool:hover { background: var(--paper-2); }
.tool.active { background: var(--paper-hi); border-color: var(--line); }
.tool.poor .cost { color: var(--danger); }

/* --- Focus pill ------------------------------------------------------------- */

.pill {
  font: inherit;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px 4px 8px;
  min-height: 40px;
  cursor: pointer;
}
.pill[hidden] { display: none; }
.pill b { font-size: 18px; font-variant-numeric: tabular-nums; }
.pill .bar { width: 90px; }
.pill .bar i { background: #e8c27a; }

/* --- Toasts ----------------------------------------------------------------- */

#toasts {
  position: fixed;
  top: calc(96px + var(--gap) + var(--safe-top));
  left: 50%;
  transform: translateX(-50%);
  width: min(420px, calc(100vw - 2 * var(--gap)));
  display: flex;
  flex-direction: column;
  gap: 6px;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 15px;
  line-height: 1.3;
  animation: toast-in 0.25s steps(4);
}
.toast.out { opacity: 0; transition: opacity 0.4s steps(4); }
@keyframes toast-in { from { transform: translateY(-8px); opacity: 0; } }

/* --- Dialogs ------------------------------------------------------------------- */

dialog {
  color: var(--ink);
  font-family: var(--font);
  width: min(440px, calc(100vw - 2 * 16px));
  max-height: 85vh;
  overflow: auto;
  padding: 16px;
  user-select: text;
  -webkit-user-select: text;
}
dialog::backdrop { background: var(--backdrop); }
dialog h2 { margin: 0; font-size: 24px; }
dialog h3 { margin: 0 0 6px; font-size: 17px; }
dialog p { margin: 0 0 8px; line-height: 1.4; }
dialog section { margin-top: 18px; }
.dlg-head { display: flex; justify-content: space-between; align-items: center; }
.hint { color: var(--ink-soft); font-size: 14px; }

dialog textarea {
  width: 100%;
  font-family: ui-monospace, 'Courier New', monospace;
  font-size: 12px;
  color: var(--ink);
  background: var(--paper-hi);
  border: 2px solid var(--line);
  padding: 6px;
  resize: vertical;
  word-break: break-all;
}

.row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.row.end { justify-content: flex-end; }

#stats {
  display: grid;
  grid-template-columns: auto auto;
  gap: 2px 16px;
  margin: 0;
  justify-content: start;
}
#stats dt { color: var(--ink-soft); }
#stats dd { margin: 0; font-variant-numeric: tabular-nums; }

/* --- Chips, lists, journal, upgrades ------------------------------------------- */

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.chip {
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  border: 2px solid var(--line);
  min-height: 40px;
  min-width: 56px;
  padding: 4px 12px;
  cursor: pointer;
  touch-action: manipulation;
}
.chip:hover { background: var(--paper-hi); }
.chip.active { background: var(--ink); color: var(--paper); }

.big { font-size: 44px; font-weight: 600; margin: 12px 0 0; font-variant-numeric: tabular-nums; }

.list { list-style: none; margin: 12px 0 0; padding: 0; }

.list .group {
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 14px 0 2px;
  border-bottom: 2px solid var(--paper-2);
}
.list .group:first-child { padding-top: 0; }

.upgrade {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 12px;
  align-items: center;
  padding: 10px 0;
  border-top: 2px dashed var(--paper-2);
}
.upgrade:first-child, .group + .upgrade { border-top: 0; }
.upgrade .name { font-weight: 600; }
.upgrade .desc { grid-column: 1; color: var(--ink-soft); font-size: 14px; }
.upgrade .btn { grid-column: 2; grid-row: 1 / span 3; min-width: 84px; }
.pips { display: flex; gap: 3px; }
.pips i { width: 8px; height: 8px; border: 2px solid var(--line); }
.pips i.on { background: var(--green); }

.journal li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 2px 10px;
  padding: 8px 0;
  border-top: 2px dashed var(--paper-2);
  line-height: 1.35;
}
.journal li:first-child { border-top: 0; }
.journal .icon { grid-row: 1 / span 2; }
.journal time { color: var(--ink-soft); font-size: 13px; }
.journal .empty { display: block; color: var(--ink-soft); }

@media (max-width: 430px) {
  .tool { min-width: 0; flex: 1 1 0; padding: 5px 2px 3px; }
  .tool .icon { width: 28px; height: 28px; }
  .tool .name { font-size: 13px; }
  .tool .cost { font-size: 12px; }
  #tools { width: calc(100vw - 2 * var(--gap)); }
}
@media (max-width: 380px) {
  .still .bar { width: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  .toast { animation: none; }
}