/* styles.css: a light, print-like shell around a full-screen canvas.
 *
 * The canvas is fixed and full-viewport; every panel floats over it and
 * reports its own size back to main.js, which keeps the camera aimed at the
 * part of the screen that is still visible. Nothing here is domain-specific
 * except the wording, so copy the file and change the palette.
 */

:root {
  --paper: #f6f4ee;
  --ink: #33302b;
  --ink-soft: #5c574f;
  --ink-faint: #8b857a;
  --line: rgba(90, 82, 70, 0.18);
  --line-strong: rgba(90, 82, 70, 0.34);
  --card: rgba(255, 253, 247, 0.94);
  --accent: #8a5a3c;
  --good: #5f8a52;
  --warn: #c2913c;
  --hot: #b8503f;
  --hud-top: 58px;
  --dock-h: 108px;
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-text-size-adjust: 100%;
}

#stage {
  position: fixed;
  inset: 0;
  display: block;
  touch-action: none;
  cursor: grab;
}
#stage.dragging { cursor: grabbing; }

/* ------------------------------------------------------------------ topbar */

.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: linear-gradient(to bottom, rgba(246, 244, 238, 0.96), rgba(246, 244, 238, 0.72) 70%, rgba(246, 244, 238, 0));
  z-index: 6;
  pointer-events: none;
}
.topbar > * { pointer-events: auto; }

.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }

.logo {
  width: 26px; height: 26px;
  flex: 0 0 auto;
  border-radius: 5px;
  background:
    linear-gradient(135deg, #b8503f 0 45%, transparent 45%),
    linear-gradient(225deg, #4a7a9b 0 45%, transparent 45%),
    #e8e2d4;
  border: 1px solid var(--line-strong);
}

.brand-text { min-width: 0; }
.brand-text h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.brand-text p {
  margin: 1px 0 0;
  font-size: 12px;
  color: var(--ink-faint);
}

.top-actions { display: flex; gap: 8px; flex: 0 0 auto; }

button {
  font-family: inherit;
  font-size: 13px;
  color: var(--ink);
  cursor: pointer;
}

button.ghost {
  padding: 6px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--card);
}
button.ghost:hover { border-color: var(--accent); color: var(--accent); }

/* --------------------------------------------------------------------- hud */

.hud {
  position: fixed;
  top: calc(var(--hud-top) + 4px);
  left: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  max-width: min(560px, calc(100vw - 32px));
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--card);
  z-index: 5;
}
.hud-item { display: flex; align-items: baseline; gap: 6px; }
.hud-k {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.hud-v { font-family: var(--mono); font-size: 13px; }
.hud-note {
  flex: 1 0 100%;
  font-size: 11.5px;
  color: var(--ink-soft);
  min-height: 0;
}
.hud-note:empty { display: none; }

/* ------------------------------------------------------------------ zoomer */

.zoomer {
  position: fixed;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 5;
}
.zoomer button {
  width: 32px; height: 32px;
  display: grid;
  place-items: center;
  font-size: 15px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--card);
}
.zoomer button:hover { border-color: var(--accent); color: var(--accent); }

/* --------------------------------------------------------------- inspector */

.inspector {
  position: fixed;
  top: 0; right: 0;
  width: 360px;
  height: 100%;
  padding: 62px 18px calc(var(--dock-h) + 18px);
  overflow-y: auto;
  background: linear-gradient(to left, rgba(246, 244, 238, 0.97) 70%, rgba(246, 244, 238, 0.86));
  border-left: 1px solid var(--line);
  z-index: 4;
  scrollbar-width: thin;
}
.inspector.hidden { display: none; }

.sheet-handle { display: none; }

.stage-card {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
}
.eyebrow { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.chip {
  padding: 2px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
}
.tag { font-size: 11.5px; color: var(--ink-faint); }

.stage-card h2 {
  margin: 2px 0 6px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
}
.lede { margin: 0 0 8px; font-size: 14px; line-height: 1.45; }
.muted { margin: 0; font-size: 13px; line-height: 1.55; color: var(--ink-soft); }

.advance {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.advance .primary-inline {
  display: block;
  width: 100%;
  padding: 9px 14px;
  border: 1px solid #8a5a3c;
  border-radius: 8px;
  background: linear-gradient(to bottom, #a46b46, #8a5a3c);
  color: #fdf8f2;
  font-size: 13.5px;
  font-weight: 600;
}
.advance .primary-inline:hover { filter: brightness(1.07); }
.advance .fine { display: block; margin-top: 6px; text-align: center; }
kbd {
  padding: 0 4px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 10.5px;
}

.sec { margin-top: 16px; }
.sec h3 {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.hint { font-family: var(--mono); font-size: 10.5px; text-transform: none; color: var(--ink-faint); }
.fine { margin: 8px 0 0; font-size: 11px; line-height: 1.5; color: var(--ink-faint); }

/* ---- stat grid ---- */

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.stat {
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}
.stat .k {
  display: block;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.stat b { font-family: var(--mono); font-size: 15px; font-weight: 500; }

/* ---- chips ---- */

.chips { display: flex; flex-wrap: wrap; gap: 5px; }
.chips button {
  padding: 4px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--card);
  font-size: 11.5px;
  color: var(--ink-soft);
}
.chips button:hover { border-color: var(--accent); color: var(--accent); }
.chips button.on {
  border-color: var(--accent);
  background: rgba(138, 90, 60, 0.12);
  color: var(--accent);
}

/* ---- write-box (관찰형 스테이션에서도 실제로 써볼 수 있게) ---- */

.write-box {
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(74, 122, 155, 0.06);
}
.write-q { margin: 0 0 6px; font-size: 12.5px; color: var(--ink-soft); }
.write-box input {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--card);
  font-family: inherit;
  font-size: 12.5px;
  color: var(--ink);
}

/* ---- predict (예측 지점) ---- */

.predict {
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(138, 90, 60, 0.06);
}
.predict-q { margin: 0 0 8px; font-size: 13px; font-weight: 600; color: var(--ink); }
.predict-opts { display: flex; flex-direction: column; gap: 6px; }
.predict-opts button {
  padding: 7px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--card);
  text-align: left;
  font-size: 12.5px;
}
.predict-opts button:hover { border-color: var(--accent); color: var(--accent); }
.predict-reveal {
  margin: 8px 0 0;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.predict-reveal b { color: var(--ink); }

/* ---- quiz (순서 맞추기) ---- */

.quiz-q { margin: 0 0 8px; font-size: 13px; line-height: 1.5; }
.quiz-opts { display: flex; flex-direction: column; gap: 6px; }
.quiz-opts button {
  padding: 7px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--card);
  text-align: left;
  font-size: 12px;
  font-family: var(--mono);
}
.quiz-opts button:hover { border-color: var(--accent); color: var(--accent); }
.quiz-opts button:disabled { cursor: default; }
.quiz-opts button.correct { border-color: var(--good); background: rgba(95, 138, 82, 0.14); }
.quiz-opts button.wrong { border-color: var(--hot); background: rgba(184, 80, 63, 0.1); }
.quiz-feedback { margin: 8px 0 0; font-size: 12.5px; line-height: 1.55; color: var(--ink-soft); }
.quiz-feedback button {
  margin-top: 6px;
  padding: 5px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--card);
  font-size: 12px;
}
.quiz-feedback button:hover { border-color: var(--accent); color: var(--accent); }

/* ---- reflect (핵심 문장 · 피드백) ---- */

.reflect-field {
  display: block;
  margin-bottom: 10px;
}
.reflect-field span {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
}
.reflect-field input, .reflect-field textarea {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--card);
  font-family: inherit;
  font-size: 12.5px;
  color: var(--ink);
  resize: vertical;
}
#reflect-copy { width: 100%; text-align: center; }
#reflect-copy-hint { text-align: center; }

/* ---- glossary (용어 풀이) ---- */

.glossary { margin: 0; }
.glossary dt {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
}
.glossary dd {
  margin: 2px 0 8px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* -------------------------------------------------------------------- dock */

.dock {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: linear-gradient(to top, rgba(246, 244, 238, 0.97), rgba(246, 244, 238, 0.8) 70%, rgba(246, 244, 238, 0));
  z-index: 6;
}
.dock-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.group { display: flex; align-items: center; gap: 6px; }

button.icon {
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  font-size: 14px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--card);
}
button.icon:hover { border-color: var(--accent); color: var(--accent); }

button.primary {
  padding: 8px 18px;
  border: 1px solid #8a5a3c;
  border-radius: 8px;
  background: linear-gradient(to bottom, #a46b46, #8a5a3c);
  color: #fdf8f2;
  font-size: 13px;
  font-weight: 600;
}
button.primary:hover { filter: brightness(1.07); }

.dock-tune {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  flex: 1 1 auto;
}

.field { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.field > span {
  display: flex;
  align-items: baseline;
  gap: 5px;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}
.field > span b { font-family: var(--mono); font-size: 11px; text-transform: none; color: var(--ink); }
.field.slider { width: 132px; }

input[type="range"] {
  width: 100%;
  height: 16px;
  margin: 0;
  appearance: none;
  background: transparent;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 3px;
  border-radius: 2px;
  background: rgba(90, 82, 70, 0.28);
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 13px; height: 13px;
  margin-top: -5px;
  border: 1px solid #8a5a3c;
  border-radius: 50%;
  background: #fdf8f2;
}
input[type="range"]::-moz-range-track {
  height: 3px;
  border-radius: 2px;
  background: rgba(90, 82, 70, 0.28);
}
input[type="range"]::-moz-range-thumb {
  width: 13px; height: 13px;
  border: 1px solid #8a5a3c;
  border-radius: 50%;
  background: #fdf8f2;
}

.toggles { flex-wrap: wrap; gap: 4px 10px; }
.toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  color: var(--ink-soft);
  cursor: pointer;
  white-space: nowrap;
}
.toggle input { accent-color: #8a5a3c; }

/* ------------------------------------------------------------------ modal */

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(48, 44, 38, 0.42);
  z-index: 20;
}
.modal[hidden] { display: none; }
.modal-card {
  position: relative;
  max-width: 640px;
  max-height: 84vh;
  overflow-y: auto;
  padding: 22px 26px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: #fffdf7;
  box-shadow: 0 18px 50px rgba(60, 52, 42, 0.24);
}
.modal-card h2 {
  margin: 18px 0 6px;
  font-family: var(--serif);
  font-size: 17px;
}
.modal-card h2:first-of-type { margin-top: 0; }
.modal-card p, .modal-card li { font-size: 13.5px; line-height: 1.6; color: var(--ink-soft); }
.modal-card p { margin: 0 0 8px; }
.modal-card code {
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(90, 82, 70, 0.09);
  font-family: var(--mono);
  font-size: 12px;
}
.modal-card strong { color: var(--ink); }
.modal-close {
  position: absolute;
  top: 10px; right: 12px;
  width: 28px; height: 28px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--card);
  font-size: 16px;
  line-height: 1;
}

/* ---------------------------------------------------------------- tooltip */

.tooltip {
  position: fixed;
  max-width: 250px;
  padding: 7px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fffdf7;
  box-shadow: 0 6px 18px rgba(60, 52, 42, 0.16);
  font-size: 11.5px;
  line-height: 1.45;
  color: var(--ink-soft);
  pointer-events: none;
  z-index: 10;
}
.tooltip b { display: block; margin-bottom: 2px; font-family: var(--serif); font-size: 13px; color: var(--ink); }

/* -------------------------------------------------------------- responsive
   On a phone the inspector becomes a bottom sheet that sits above the dock and
   opens to full height when tapped. main.js measures its height and keeps the
   camera above it. */

@media (max-width: 900px) {
  .brand-text p { display: none; }
  /* The zoomer floats at a fixed spot with a higher z-index than the sheet,
     and the sheet's content (stage-card, now with a write-box and an
     always-visible advance button) has grown tall enough to reach that
     spot even when the sheet is not fully open — chasing an offset for
     "today's content height" broke again once already (2026-08-14). Touch
     devices already have pinch-to-zoom and double-tap-to-fit (see main.js),
     so the on-screen buttons are only ever a desktop-mouse convenience —
     drop them below the width where a bottom sheet exists at all, rather
     than trying to keep finding a gap for them. */
  .zoomer { display: none; }

  .inspector {
    top: auto;
    bottom: var(--dock-h);
    left: 0; right: 0;
    width: auto;
    height: auto;
    max-height: 38vh;
    padding: 0 14px 12px;
    border-left: 0;
    border-top: 1px solid var(--line-strong);
    border-radius: 12px 12px 0 0;
    background: rgba(246, 244, 238, 0.97);
    transition: max-height 0.18s ease-out;
  }
  .inspector.open { max-height: 76vh; }
  .inspector .sec { display: none; }
  .inspector.open .sec { display: block; }

  .sheet-handle {
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 7px 0 6px;
    border: 0;
    background: transparent;
  }
  .sheet-handle .grip {
    width: 34px; height: 3px;
    border-radius: 2px;
    background: var(--line-strong);
  }
  .sheet-label {
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-faint);
  }

  .dock-tune {
    display: none;
    width: 100%;
  }
  .dock.tune-open .dock-tune { display: flex; }
  .field.slider { width: calc(50% - 10px); }
}