/* Dungeon Proof Crawler — pixel-art dungeon theme. Self-contained: no external
   fonts or assets (works under a strict CSP). Dark stone, torchlight amber, and
   a little blood. */

:root {
  --stone-0: #0a0908;
  --stone-1: #14110f;
  --stone-2: #201a16;
  --stone-3: #2e2620;
  --stone-4: #3d332a;
  --ink: #e8dcc4;
  --ink-dim: #a89b82;
  --amber: #e8a33d;
  --amber-bright: #ffc76b;
  --blood: #b5322e;
  --blood-bright: #e0564f;
  --moss: #7fae52;
  --gold: #e8c96b;
  --tile: 46px;
  --edge: 3px solid var(--stone-0);
  --font: "Courier New", "DejaVu Sans Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  background:
    radial-gradient(120% 80% at 50% -10%, #2a211a 0%, var(--stone-0) 60%),
    var(--stone-0);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: none;
  image-rendering: pixelated;
  overflow-x: hidden;
}

#app {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.screen {
  flex: 1;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(12px, 3vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ---- Boot / errors ---- */
.boot {
  margin: auto;
  padding: 40px;
  color: var(--amber);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 14px;
  animation: flicker 2.2s infinite;
}
@keyframes flicker {
  0%, 100% { opacity: 1; }
  48% { opacity: 0.72; }
  50% { opacity: 0.95; }
}
.boot-error {
  max-width: 620px;
  text-align: left;
  color: var(--ink);
  border: 3px solid var(--blood);
  background: var(--stone-1);
  animation: none;
  text-transform: none;
  letter-spacing: 0;
}
.boot-error h1 { color: var(--blood-bright); margin-top: 0; }
.boot-error pre {
  background: var(--stone-0);
  padding: 10px;
  overflow-x: auto;
  color: var(--ink-dim);
  font-size: 12px;
}

/* ---- Buttons ---- */
.btn {
  font-family: var(--font);
  font-size: 14px;
  font-weight: bold;
  color: var(--ink);
  background: var(--stone-3);
  border: 3px solid var(--stone-0);
  box-shadow: inset -3px -3px 0 rgba(0, 0, 0, 0.45), inset 3px 3px 0 rgba(255, 255, 255, 0.06);
  padding: 10px 14px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: transform 0.05s, background 0.1s;
}
.btn:hover:not(:disabled) { background: var(--stone-4); }
.btn:active:not(:disabled) { transform: translateY(2px); box-shadow: inset -2px -2px 0 rgba(0, 0, 0, 0.45); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary {
  color: #241706;
  background: var(--amber);
  border-color: #6b4413;
}
.btn-primary:hover:not(:disabled) { background: var(--amber-bright); }
.btn-wide { width: 100%; }

/* ---- Title ---- */
.title {
  max-width: 720px;
  text-align: center;
  justify-content: center;
  gap: 14px;
}
.title-emblem { font-size: 64px; filter: drop-shadow(0 0 12px rgba(232, 163, 61, 0.5)); }
.title-name {
  font-size: clamp(28px, 6vw, 48px);
  margin: 0;
  color: var(--amber-bright);
  text-transform: uppercase;
  letter-spacing: 3px;
  text-shadow: 4px 4px 0 var(--stone-0);
}
.title-tag { color: var(--blood-bright); margin: 0; font-style: italic; }
.title-story {
  text-align: left;
  background: var(--stone-1);
  border: 3px solid var(--stone-3);
  padding: 16px 18px;
  color: var(--ink-dim);
  line-height: 1.6;
  font-size: 14px;
}
.title-story p { margin: 0 0 10px; }
.title-story p:last-child { margin-bottom: 0; }
.title-form { display: flex; flex-direction: column; gap: 10px; }
.seed-row { display: flex; gap: 8px; }
.seed-input {
  flex: 1;
  font-family: var(--font);
  font-size: 14px;
  color: var(--ink);
  background: var(--stone-0);
  border: 3px solid var(--stone-3);
  padding: 10px 12px;
}
.seed-input:focus { outline: none; border-color: var(--amber); }
.title-foot { color: var(--ink-dim); font-size: 11px; margin: 4px 0 0; }

/* ---- HUD ---- */
.hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--stone-1);
  border: 3px solid var(--stone-3);
  padding: 10px 12px;
}
.hud-stats { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hud-hp { display: flex; align-items: center; gap: 8px; }
.hud-label { color: var(--blood-bright); }
.hp-bar {
  width: 160px;
  height: 16px;
  background: var(--stone-0);
  border: 2px solid var(--stone-4);
  padding: 2px;
}
.hp-fill {
  height: 100%;
  background: linear-gradient(var(--blood-bright), var(--blood));
  transition: width 0.3s;
}
.hp-fill.low { background: linear-gradient(#e0a24f, #b5322e); animation: flicker 1s infinite; }
.hud-num { font-size: 13px; color: var(--ink-dim); }
.hud-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  font-family: var(--font);
  font-size: 13px;
  color: var(--ink);
  background: var(--stone-3);
  border: 2px solid var(--stone-0);
  padding: 5px 9px;
  cursor: default;
}
button.chip { cursor: pointer; }
button.chip:disabled { opacity: 0.5; }
.chip-food:not(:disabled):hover { background: var(--stone-4); }
.chip-ring { color: var(--gold); border-color: var(--gold); }
.hud-right { display: flex; align-items: center; gap: 10px; text-align: right; }
.hud-floor { color: var(--amber); text-transform: uppercase; letter-spacing: 1px; font-size: 13px; }
.hud-seed { color: var(--ink-dim); font-size: 11px; }

/* ---- Dungeon layout ---- */
.dungeon-main {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
}
@media (max-width: 760px) {
  .dungeon-main { grid-template-columns: 1fr; }
}

.map-frame {
  background: var(--stone-1);
  border: 3px solid var(--stone-3);
  padding: 14px;
  display: flex;
  justify-content: center;
}
.map {
  display: grid;
  gap: 4px;
}
.tile {
  width: var(--tile);
  height: var(--tile);
  position: relative;
  background: var(--stone-2);
  border: 2px solid var(--stone-0);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-dim);
}
/* Doors: a small notch of torchlight on the connected edge. */
.tile.door-n::before,
.tile.door-s::after,
.tile.door-e > .noop,
.tile.door-w::after { content: ""; }
.tile.door-n { box-shadow: inset 0 4px 0 -1px var(--stone-4); }
.tile.door-s { box-shadow: inset 0 -4px 0 -1px var(--stone-4); }
.tile.door-n.door-s { box-shadow: inset 0 4px 0 -1px var(--stone-4), inset 0 -4px 0 -1px var(--stone-4); }
.tile.door-e { border-right-color: var(--stone-4); }
.tile.door-w { border-left-color: var(--stone-4); }
.tile-glyph { font-size: 22px; line-height: 1; }
.tile.here {
  border-color: var(--amber);
  box-shadow: 0 0 0 2px var(--amber), 0 0 12px rgba(232, 163, 61, 0.6);
  background: var(--stone-3);
  animation: herepulse 1.4s infinite;
}
@keyframes herepulse {
  0%, 100% { box-shadow: 0 0 0 2px var(--amber), 0 0 8px rgba(232, 163, 61, 0.4); }
  50% { box-shadow: 0 0 0 2px var(--amber-bright), 0 0 16px rgba(232, 163, 61, 0.8); }
}
.tile-stair {
  position: absolute;
  bottom: 1px;
  right: 2px;
  font-size: 11px;
}
.tile-stair.up { left: 2px; right: auto; top: 1px; bottom: auto; }
.tile-stair.down { color: var(--amber-bright); }

/* ---- Room panel ---- */
.room-panel {
  background: var(--stone-1);
  border: 3px solid var(--stone-3);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.compass {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas: "n n" "w e" "s s";
  gap: 6px;
  max-width: 260px;
}
.compass-n { grid-area: n; }
.compass-w { grid-area: w; }
.compass-e { grid-area: e; }
.compass-s { grid-area: s; }
.room-title { margin: 0; color: var(--amber-bright); text-transform: uppercase; letter-spacing: 1px; font-size: 18px; }
.room-desc { margin: 0; color: var(--ink-dim); line-height: 1.6; }
.room-actions { display: flex; flex-direction: column; gap: 8px; }

/* ---- Combat ---- */
.combat-screen { gap: 14px; }
.combat-host { flex: 1; }
.combat {
  background: var(--stone-1);
  border: 3px solid var(--stone-3);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.combat-head { display: flex; align-items: center; gap: 14px; }
.combat-face { font-size: 44px; filter: drop-shadow(0 0 8px rgba(181, 50, 46, 0.5)); }
.combat-title { color: var(--amber-bright); font-size: 20px; text-transform: uppercase; letter-spacing: 1px; }
.combat-sub { color: var(--blood-bright); font-size: 13px; font-style: italic; }
.combat-prompt { margin: 0; color: var(--ink); line-height: 1.5; }
.combat-editor { border: 3px solid var(--stone-0); background: var(--stone-0); min-height: 240px; }
.combat-message { min-height: 20px; font-size: 14px; line-height: 1.5; }
.combat-message.good { color: var(--moss); }
.combat-message.bad { color: var(--blood-bright); }
.combat-diag-head { font-weight: bold; margin-bottom: 6px; }
.combat-diag {
  margin: 6px 0 0;
  padding: 8px 10px;
  background: var(--stone-0);
  border-left: 3px solid var(--blood);
  color: var(--ink);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.45;
  white-space: pre-wrap;
  overflow-x: auto;
}
.combat-buttons { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.combat-noflee { color: var(--ink-dim); font-style: italic; font-size: 13px; }

/* ---- Message / ending screens ---- */
.message-screen {
  max-width: 640px;
  text-align: center;
  justify-content: center;
  gap: 16px;
}
.message-screen h1 {
  color: var(--amber-bright);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: clamp(22px, 5vw, 34px);
  margin: 0;
  text-shadow: 3px 3px 0 var(--stone-0);
}
.big-emoji { font-size: 72px; }
.message-body { color: var(--ink); line-height: 1.7; margin: 0; }
.message-body.dim { color: var(--ink-dim); font-size: 14px; }
.letter {
  margin: 0;
  padding: 16px 20px;
  background: #d9c7a0;
  color: #2a2015;
  border: 3px solid #8a734a;
  font-style: italic;
  line-height: 1.6;
  text-align: left;
  box-shadow: 4px 4px 0 var(--stone-0);
}
.win-screen h1 { color: var(--gold); }
.over-screen h1 { color: var(--blood-bright); }
.ring-screen .big-emoji { filter: drop-shadow(0 0 16px rgba(232, 201, 107, 0.7)); }

/* ---- Help modal (full-screen, scrollable) ---- */
.help-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(5, 4, 3, 0.86);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(8px, 3vw, 40px);
  overflow-y: auto;
}
.help-modal {
  width: 100%;
  max-width: 780px;
  max-height: calc(100vh - clamp(16px, 6vw, 80px));
  display: flex;
  flex-direction: column;
  background: var(--stone-1);
  border: 3px solid var(--amber);
  box-shadow: 0 0 0 3px var(--stone-0), 0 12px 40px rgba(0, 0, 0, 0.6);
  outline: none;
}
.help-bar {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--stone-2);
  border-bottom: 3px solid var(--stone-0);
}
.help-title {
  margin: 0;
  color: var(--amber-bright);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 16px;
}
.help-close {
  font-family: var(--font);
  font-size: 16px;
  font-weight: bold;
  color: var(--ink);
  background: var(--stone-3);
  border: 3px solid var(--stone-0);
  padding: 4px 12px;
  cursor: pointer;
}
.help-close:hover { background: var(--blood); }
.help-body {
  padding: 16px 20px 24px;
  overflow-y: auto;
  line-height: 1.6;
  color: var(--ink);
}
.help-body h3 {
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 14px;
  margin: 22px 0 8px;
  border-bottom: 1px solid var(--stone-3);
  padding-bottom: 4px;
}
.help-body h3:first-child { margin-top: 0; }
.help-body ul { margin: 0; padding-left: 20px; }
.help-body li { margin: 7px 0; }
.help-body p { margin: 8px 0; }
.help-body code {
  background: var(--stone-0);
  color: var(--amber-bright);
  padding: 1px 5px;
  border: 1px solid var(--stone-3);
  font-size: 0.92em;
}
.help-body kbd {
  background: var(--stone-3);
  color: var(--ink);
  border: 2px solid var(--stone-0);
  border-radius: 3px;
  padding: 1px 6px;
  font-family: var(--font);
  font-size: 0.85em;
}
.help-room {
  background: var(--stone-2);
  border-left: 4px solid var(--amber);
  padding: 12px 16px;
  margin-bottom: 8px;
}
.help-room h3 { margin-top: 0; border: none; color: var(--amber-bright); }
.help-dim { color: var(--ink-dim); font-size: 13px; }
.help-rulelist { list-style: none; padding-left: 0; }
.help-rulelist li { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.help-link { color: var(--amber-bright); text-decoration: underline; }
.help-link:hover { color: var(--gold); }