/* The Jackal Protocol — side-by-side reading column + status/map/chips rail.
   Mobile collapses the rail to a top drawer. Lowercase chips. Literary register. */

:root {
  --bg: #0e0d0c;
  --bg-soft: #15130f;
  --bg-rail: #131210;
  --fg: #e6dfd1;
  --fg-dim: #8a8270;
  --fg-mother: #cfc7b6;
  --accent: #b88a4a;
  --accent-soft: #5b4a3a;
  --accent-faint: #3a2f24;
  --warn: #c97a4a;
  --line: #2a261f;
  --line-soft: #1f1c17;
  --chip-bg: #1a1815;
  --chip-bg-hover: #25211c;
  --chip-bg-relevant: #322821;
  --chip-fg: #d4cdbf;
  --chip-fg-dim: #6e6657;
  --confirm-bg: #6a4a28;
  --confirm-fg: #f0e6d2;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, "Source Serif Pro", Georgia, "DejaVu Serif", serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body { height: 100%; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.6;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  overflow: hidden;
  height: 100dvh;
}

.game {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  height: 100dvh;
  max-width: 1180px;
  margin: 0 auto;
}

/* ── LEFT: reading column ──────────────────────────────────── */

.reading {
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  min-height: 0;
  border-right: 1px solid var(--line);
  padding: 0 16px;
  padding-bottom: env(safe-area-inset-bottom);
}
header.reading-header, .reading > header {
  padding: 12px 0 8px;
  border-bottom: 1px solid var(--line-soft);
}
.reading h1 {
  font-size: 12px;
  margin: 0;
  color: var(--accent);
  letter-spacing: .2em;
  font-family: var(--mono);
  text-transform: uppercase;
}
.reading .meta {
  color: var(--fg-dim);
  font-size: 12px;
  font-family: var(--mono);
  margin-top: 4px;
  font-style: italic;
}
.reading .roomName {
  font-size: 22px;
  color: var(--fg);
  margin-top: 6px;
  font-family: var(--serif);
  font-style: italic;
  letter-spacing: .01em;
}

#log {
  padding: 18px 0 12px;
  overflow-y: auto;
  min-height: 0;
  scroll-behavior: smooth;
  /* Faint paper grain — pure CSS, no images. */
  background:
    repeating-linear-gradient(0deg, transparent 0 3px, rgba(184,138,74,0.012) 3px 4px),
    radial-gradient(circle at 50% -10%, rgba(184,138,74,0.025), transparent 40%);
}
#log .line { margin: 0 auto 1.1em; max-width: 60ch; }
#log .pull-quote {
  font-size: 22px;
  font-style: italic;
  color: var(--accent);
  border-left: 3px solid var(--accent);
  padding: 6px 0 6px 18px;
  margin: 18px auto;
  max-width: 52ch;
  line-height: 1.4;
}
#log .act-break {
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .25em;
  text-transform: uppercase;
  border: none;
  border-top: 1px solid var(--accent-soft);
  margin: 24px auto;
  padding-top: 8px;
  max-width: 24ch;
}
#log .system { color: var(--fg-dim); font-style: italic; font-size: 14.5px; }
/* Parser-warn toasts ("didn't reach the parser") fade rather than accreting. */
#log .line.transient { animation: transient-fade 8s ease-in forwards; }
@keyframes transient-fade {
  0%, 60% { opacity: 1; }
  100% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  #log .line.transient { animation: none; opacity: 0.6; }
}

/* In-UI "▷ restart protocol" affordance, appended to share-card output. */
#log .restart-row { margin-top: 18px; text-align: center; }
.restart-btn {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .15em;
  text-transform: lowercase;
  padding: 8px 16px;
  background: var(--chip-bg);
  color: var(--chip-fg);
  border: 1px solid var(--accent-soft);
  border-radius: 3px;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}
.restart-btn:hover, .restart-btn:focus {
  background: var(--chip-bg-relevant);
  border-color: var(--accent);
  color: var(--accent);
  outline: none;
}
#log .log {
  color: var(--fg-dim); font-family: var(--mono); font-size: 13.5px;
  padding-left: 1.5ch; border-left: 2px solid var(--accent-soft);
}
#log .dwell { color: var(--fg); font-size: 18px; line-height: 1.55; }
#log .stinger { color: var(--fg); }
#log .examine { color: var(--fg); }
#log .read { color: var(--fg); font-style: italic; }
#log .dialogue { color: var(--fg); }
#log .narrative { color: var(--fg); }
#log .warn { color: var(--warn); font-style: italic; }
#log .mother {
  color: var(--fg-mother);
  font-family: var(--mono);
  font-size: 14.5px;
  letter-spacing: .03em;
  padding: 6px 0 6px 1.5ch;
  border-left: 2px solid var(--accent);
  background: var(--bg-soft);
}

button.noun {
  background: none;
  border: none;
  border-bottom: 1px dotted var(--accent);
  color: inherit;
  font: inherit;
  padding: 0 1px;
  margin: 0;
  cursor: pointer;
  border-radius: 0;
}
button.noun:hover, button.noun:focus { color: var(--accent); outline: none; }

/* Compose row — sticky at bottom of reading column */
.compose-bar {
  display: grid;
  grid-template-columns: 1fr 1fr auto auto;
  gap: 6px;
  padding: 8px 0 4px;
  border-top: 1px solid var(--line);
  align-items: center;
  background: var(--bg);
}
.compose-pill {
  background: var(--chip-bg);
  padding: 8px 10px;
  border-radius: 3px;
  min-height: 40px;
  font-family: var(--serif);
  font-size: 15px;
  font-style: italic;
  display: flex; align-items: center;
  color: var(--fg);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  border: 1px solid var(--line);
}
.compose-pill[data-empty="true"] { color: var(--chip-fg-dim); }
.compose-bar[data-armed="true"] .compose-pill { border-color: var(--accent-soft); }
.compose-bar[data-armed="true"] #composeConfirm { box-shadow: 0 0 0 1px var(--accent); }
.compose-bar button {
  min-height: 40px; min-width: 40px;
  background: var(--chip-bg); color: var(--fg);
  border: 1px solid var(--line); border-radius: 3px;
  font-family: var(--serif); font-size: 13px; cursor: pointer;
  padding: 0 12px;
}
.compose-bar #composeConfirm {
  background: var(--confirm-bg); color: var(--confirm-fg);
  border-color: var(--confirm-bg);
  font-weight: 600;
  font-family: var(--mono); letter-spacing: .08em;
  text-transform: lowercase;
}
.compose-bar #composeConfirm:hover { filter: brightness(1.15); }

.compose-preview {
  margin: 4px 4px 8px;
  padding: 0;
  font-family: var(--serif);
  font-size: 13.5px;
  color: var(--fg-dim);
  font-style: italic;
  min-height: 1.2em;
}
.compose-preview[data-armed="true"] { color: var(--accent); }

/* 60ms commit-feedback ripple — fires on CONFIRM. Reduced-motion strips it. */
.compose-bar.committing { animation: commit-ripple 180ms ease-out; }
@keyframes commit-ripple {
  0%   { background: var(--bg); }
  40%  { background: var(--accent-faint); }
  100% { background: var(--bg); }
}
@media (prefers-reduced-motion: reduce) {
  .compose-bar.committing { animation: none; }
}

/* ── RIGHT: rail ───────────────────────────────────────────── */

.rail {
  background: var(--bg-rail);
  border-left: 1px solid var(--line);
  padding: 12px;
  overflow-y: auto;
  display: flex; flex-direction: column;
  gap: 12px;
  min-height: 0;
}
.rail details {
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 6px 8px;
}
.rail details > summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .15em;
  color: var(--accent);
  text-transform: uppercase;
  padding: 2px 0;
  list-style: none;
}
.rail details > summary::-webkit-details-marker { display: none; }
.rail details > summary::before {
  content: "▾ ";
  color: var(--fg-dim);
}
.rail details:not([open]) > summary::before { content: "▸ "; }

/* status block */
.status-body { margin-top: 6px; }
.status-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 6px;
  align-items: baseline;
  padding: 2px 0;
  font-family: var(--serif);
  font-size: 14px;
}
.status-row .lbl {
  color: var(--fg-dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.status-row .val { color: var(--fg); }

/* Permit revocation bar — visual representation of motherSearchIntensity. */
.permit-bar {
  width: 100%;
  height: 6px;
  background: var(--line);
  border-radius: 3px;
  margin-top: 6px;
  overflow: hidden;
}
.permit-bar > div {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-soft) 0%, var(--accent) 100%);
  transition: width 200ms ease;
}

/* map */
#mapSvg {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 4px;
}
.map-room { fill: var(--chip-bg); stroke: var(--line); stroke-width: 1; }
.map-room.visited { fill: var(--bg-soft); stroke: var(--accent-soft); }
.map-room.current { fill: var(--accent); stroke: var(--accent); }
.map-edge { stroke: var(--line); stroke-width: 1; }
.map-edge.visited { stroke: var(--accent-soft); }
.map-label {
  fill: var(--fg-dim);
  font-family: var(--mono);
  font-size: 9px;
  text-anchor: middle;
}
.map-label.current { fill: var(--accent); }

/* Map background gradient — gentle, no GPU. */
#mapSvg {
  background: radial-gradient(ellipse at center, var(--bg-soft) 0%, var(--bg-rail) 70%);
  border-radius: 3px;
  padding: 4px;
}

/* Per-room glyph icon next to the room name. */
.room-glyph {
  display: inline-block;
  vertical-align: middle;
  width: 22px;
  height: 22px;
  margin-right: 8px;
  stroke: var(--accent);
  stroke-width: 1.2;
  fill: none;
  stroke-linecap: round;
}

/* chips */
.verb-bar, .noun-palette {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px 0 0;
}
.verb-chip, .noun-chip {
  flex: 0 0 auto;
  min-height: 32px;
  background: var(--chip-bg);
  color: var(--chip-fg);
  border: 1px solid var(--line);
  border-radius: 3px;
  font-family: var(--serif);
  font-size: 13.5px;
  cursor: pointer;
  padding: 4px 10px;
  white-space: nowrap;
  text-transform: none;
  transition: background 120ms ease, border-color 120ms ease, opacity 120ms ease;
}
.verb-chip:hover, .noun-chip:hover { background: var(--chip-bg-hover); border-color: var(--accent-soft); }
.verb-chip[data-selected="true"], .noun-chip[data-selected="true"] {
  background: var(--chip-bg-relevant);
  border-color: var(--accent);
  color: var(--accent);
}
.verb-chip[data-relevant="true"] {
  background: var(--chip-bg-relevant);
  border-color: var(--accent);
  color: var(--accent);
  box-shadow:
    inset 0 0 0 1px var(--accent-soft),
    0 0 0 1px var(--accent),
    0 0 14px -2px var(--accent);
  animation: verb-glow 2s ease-in-out infinite;
}
@keyframes verb-glow {
  0%, 100% {
    box-shadow:
      inset 0 0 0 1px var(--accent-soft),
      0 0 0 1px var(--accent),
      0 0 10px -3px var(--accent);
  }
  50% {
    box-shadow:
      inset 0 0 0 1px var(--accent),
      0 0 0 1px var(--accent),
      0 0 18px -1px var(--accent);
  }
}
@media (prefers-reduced-motion: reduce) {
  .verb-chip[data-relevant="true"] { animation: none; }
}
.verb-bar[data-noun-active="true"] .verb-chip:not([data-relevant="true"]) { opacity: .35; }
.verb-chip[data-disabled="true"], .noun-chip[data-disabled="true"] {
  opacity: .3; cursor: not-allowed;
}

/* Keyboard focus indicator. Use :focus-visible (modern browsers) and a regular
   :focus fallback so the ring shows on the very first Tab from a fresh page —
   some engines suppress :focus-visible on the initial focus. */
.verb-chip:focus, .noun-chip:focus,
.compose-bar button:focus, .font-size-choices button:focus,
button.noun:focus, .rail-link:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.verb-chip:focus:not(:focus-visible),
.noun-chip:focus:not(:focus-visible),
.compose-bar button:focus:not(:focus-visible),
.font-size-choices button:focus:not(:focus-visible),
button.noun:focus:not(:focus-visible),
.rail-link:focus:not(:focus-visible) { outline: none; }
.verb-chip:focus-visible, .noun-chip:focus-visible,
.compose-bar button:focus-visible, .font-size-choices button:focus-visible,
button.noun:focus-visible, .rail-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.noun-chip-character { border-color: var(--accent); }
.noun-chip-exit { color: var(--fg-dim); font-style: italic; }

.hint {
  margin: 4px 4px 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 13.5px;
  color: var(--fg-dim);
  min-height: 1.2em;
}

.rail-link {
  background: none;
  border: 1px dashed var(--accent-soft);
  color: var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  padding: 6px 10px;
  margin-top: 4px;
  cursor: pointer;
  border-radius: 3px;
  animation: rail-link-pulse 4s ease-in-out 1;
}
.rail-link:hover { background: var(--bg-soft); }
@keyframes rail-link-pulse {
  0%, 100% { border-color: var(--accent-soft); }
  20%, 30% { border-color: var(--accent); background: var(--bg-soft); }
}
@media (prefers-reduced-motion: reduce) {
  .rail-link { animation: none; }
}

/* ── SETTINGS BLOCK (rail bottom) ──────────────────────────── */

.settings-body { margin-top: 6px; }
.settings-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--serif);
  font-size: 13.5px;
  color: var(--fg);
  padding: 4px 0;
}
.settings-row .lbl {
  color: var(--fg-dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  flex: 0 0 auto;
}
.font-size-choices {
  display: inline-flex;
  gap: 4px;
  margin-left: auto;
}
.font-size-choices button {
  background: var(--chip-bg);
  color: var(--chip-fg);
  border: 1px solid var(--line);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
  padding: 4px 8px;
  min-height: 30px;
  min-width: 32px;
}
.font-size-choices button[aria-pressed="true"] {
  background: var(--chip-bg-relevant);
  border-color: var(--accent);
  color: var(--accent);
}
.font-size-choices button:hover { background: var(--chip-bg-hover); }

/* ── PROLOGUE OVERLAY ──────────────────────────────────────── */

.prologue-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  background-image: radial-gradient(circle at 50% 30%, var(--bg-soft) 0%, var(--bg) 70%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 32px 24px;
  text-align: center;
  overflow-y: auto;
}
.prologue-overlay h1 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 42px;
  color: var(--accent);
  margin: 0 0 6px;
  letter-spacing: .02em;
}
.prologue-overlay .subtitle {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: .25em;
  text-transform: uppercase;
  margin: 0 0 36px;
}
.prologue-overlay .ground {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.7;
  max-width: 56ch;
  color: var(--fg);
  margin: 0 0 14px;
}
.prologue-overlay .ground.muted { color: var(--fg-dim); font-style: italic; }
.prologue-overlay .epigraph {
  font-family: var(--serif);
  font-style: italic;
  font-size: 19px;
  color: var(--accent);
  max-width: 36ch;
  margin: 24px auto 28px;
  line-height: 1.4;
}
.prologue-buttons {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.prologue-overlay button.begin,
.prologue-overlay button.continue {
  background: var(--confirm-bg);
  color: var(--confirm-fg);
  border: 1px solid var(--accent);
  padding: 12px 36px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .2em;
  cursor: pointer;
  border-radius: 3px;
  text-transform: lowercase;
}
.prologue-overlay button.begin { background: transparent; color: var(--accent); }
.prologue-overlay button.continue { background: var(--confirm-bg); color: var(--confirm-fg); }
.prologue-overlay button.begin:hover,
.prologue-overlay button.continue:hover { filter: brightness(1.15); }
.prologue-overlay .resume-note {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  margin: 12px auto 0;
  letter-spacing: .04em;
  max-width: 48ch;
}
.prologue-overlay .footnote {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-dim);
  margin-top: 24px;
  letter-spacing: .04em;
}

/* ── MOBILE — rail at BOTTOM, transcript fills the top ─────── */

@media (max-width: 720px) {
  .game {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;        /* reading on top, rail below */
  }
  .reading { order: 1; padding: 0 12px; padding-bottom: 0; }
  .reading .roomName { font-size: 18px; }
  .rail {
    order: 2;
    border-left: none;
    border-top: 1px solid var(--line);
    max-height: 42dvh;
    padding: 8px;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
    align-items: flex-start;
    padding-bottom: env(safe-area-inset-bottom);
  }
  /* Reorder the rail so the chips the player needs to tap are at the top of
     the bottom-pinned rail, not buried under status/map. */
  .rail .here-list { order: -3; flex: 1 1 100%; }
  .rail .verbs     { order: -2; flex: 1 1 100%; }
  .rail .status    { order: -1; }
  .rail details { flex: 1 1 calc(50% - 4px); padding: 4px 6px; }
  .rail details.map { flex: 1 1 100%; }
  .rail-link { flex: 1 1 100%; }
  .prologue-overlay h1 { font-size: 32px; }
  .prologue-overlay .ground { font-size: 16px; }
}

@media (max-width: 420px) {
  body { font-size: 16px; }
  .reading { padding: 0 10px; }
  .reading .roomName { font-size: 17px; }
  /* Sim-9 D-2: keep undo reachable on mobile. The prologue footnote promises
     "undo and help are always available" — making good on that. */
  .compose-bar { grid-template-columns: 1fr 1fr auto auto; gap: 4px; }
  .compose-bar #undoBtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    padding: 0 8px;
    font-size: 11px;
    letter-spacing: 0.04em;
  }
  .verb-chip, .noun-chip { font-size: 13px; padding: 4px 8px; }
  .rail { max-height: 46dvh; }
}

@media (prefers-reduced-motion: reduce) {
  #log { scroll-behavior: auto; }
  .verb-chip, .noun-chip { transition: none; }
}

/* ── MIRROR-STATE ──────────────────────────────────────────── */

body.mirror-state {
  --bg: #0a0a0c;
  --bg-soft: #0d0d10;
  --bg-rail: #0c0c0f;
  --fg: #c8c5be;
  --fg-dim: #6f6c63;
  --accent: #7a9aaa;
  --accent-soft: #3a4853;
  --line: #1c1c1f;
  --line-soft: #16161a;
  --chip-bg: #131316;
  --confirm-bg: #2a3b4d;
}
body.mirror-state .reading h1 { color: var(--fg-dim); }
body.mirror-state #log {
  background:
    repeating-linear-gradient(0deg, transparent 0 5px, rgba(180,200,210,0.018) 5px 6px),
    radial-gradient(circle at 50% 110%, rgba(180,200,210,0.03), transparent 40%);
}