:root {
  --ink: #1b1b1f;
  --paper: #f2ece0;
  --paper-dark: #e2d9c7;
  --seal: #9c2b1e;
  --jade: #3f6b5f;
  --gold: #b08b3f;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #0d0f12;
  font-family: "Noto Serif TC", "Songti TC", "Source Han Serif TC", "AR PL UMing", serif;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

#scene { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }

.hidden { display: none !important; }

.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 16, 20, 0.78);
  backdrop-filter: blur(6px);
  z-index: 20;
}

.ink-card {
  width: min(880px, 92vw);
  max-height: 90vh;
  overflow: auto;
  background:
    radial-gradient(circle at 18% 12%, rgba(255,255,255,.6), transparent 45%),
    var(--paper);
  border: 1px solid var(--paper-dark);
  box-shadow: 0 30px 80px rgba(0,0,0,.6);
  padding: 40px 48px;
  text-align: center;
  position: relative;
}

.ink-card::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(27,27,31,.14);
  pointer-events: none;
}

.ink-card h1 {
  font-size: 46px;
  letter-spacing: .3em;
  font-weight: 700;
  text-indent: .3em;
}

.subtitle {
  font-size: 17px;
  letter-spacing: .5em;
  color: var(--jade);
  margin-top: 10px;
  text-indent: .5em;
}

.byline {
  margin-top: 14px;
  font-size: 14px;
  letter-spacing: .25em;
  color: var(--seal);
  text-indent: .25em;
}

.passage {
  margin: 28px auto 26px;
  max-width: 640px;
  text-align: left;
  font-size: 16px;
  line-height: 2.15;
  color: #33322e;
  border-top: 1px solid rgba(27,27,31,.12);
  border-bottom: 1px solid rgba(27,27,31,.12);
  padding: 22px 6px;
}

.passage p { text-indent: 2em; }

.controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 22px;
  font-size: 13px;
  color: #5c5a54;
  margin-bottom: 26px;
}

.controls b {
  background: rgba(27,27,31,.08);
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: .05em;
}

button {
  font-family: inherit;
  font-size: 17px;
  letter-spacing: .25em;
  text-indent: .25em;
  padding: 13px 40px;
  margin: 5px;
  cursor: pointer;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  transition: .18s;
}

button:hover { background: var(--seal); border-color: var(--seal); }

button.ghost {
  color: var(--ink);
  background: transparent;
  border-color: rgba(27,27,31,.3);
}

button.ghost:hover { background: rgba(27,27,31,.07); color: var(--ink); }

#hud { position: fixed; inset: 0; pointer-events: none; z-index: 10; }

#crosshair {
  position: absolute;
  left: 50%; top: 50%;
  width: 7px; height: 7px;
  margin: -3.5px 0 0 -3.5px;
  border-radius: 50%;
  background: rgba(255,255,255,.85);
  box-shadow: 0 0 0 1.5px rgba(0,0,0,.45);
}

#topbar {
  position: absolute;
  top: 22px; left: 26px; right: 26px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

#chapter {
  background: rgba(16,18,22,.62);
  border-left: 3px solid var(--gold);
  padding: 12px 20px;
  color: var(--paper);
  backdrop-filter: blur(3px);
  max-width: 460px;
}

#chapter-index { font-size: 12px; letter-spacing: .35em; color: var(--gold); }

#chapter-title {
  font-size: 24px;
  letter-spacing: .2em;
  margin-top: 4px;
}

#chapter-line {
  font-size: 14px;
  line-height: 1.7;
  margin-top: 7px;
  color: rgba(242,236,224,.76);
}

#top-right-group {
  display: flex;
  align-items: center;
  gap: 16px;
  pointer-events: auto;
}

#stats { text-align: right; color: var(--paper); }

#hearts { font-size: 22px; letter-spacing: .12em; text-shadow: 0 2px 6px rgba(0,0,0,.7); }

#score { font-size: 15px; letter-spacing: .18em; margin-top: 4px; text-shadow: 0 2px 6px rgba(0,0,0,.7); }

#btn-pause-touch {
  font-size: 18px;
  width: 42px; height: 42px;
  padding: 0;
  margin: 0;
  letter-spacing: 0;
  text-indent: 0;
  color: var(--paper);
  background: rgba(16,18,22,.68);
  border: 1px solid rgba(242,236,224,.35);
  border-radius: 50%;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0,0,0,.4);
  transition: transform .15s, background .15s;
}

#btn-pause-touch:hover {
  background: rgba(156,43,30,.85);
  border-color: var(--seal);
  transform: scale(1.06);
}

#btn-pause-touch:active {
  transform: scale(0.95);
}

#objective {
  position: absolute;
  bottom: 26px; left: 50%;
  transform: translateX(-50%);
  background: rgba(16,18,22,.62);
  color: var(--paper);
  padding: 10px 26px;
  font-size: 15px;
  letter-spacing: .16em;
  border-bottom: 2px solid var(--jade);
  backdrop-filter: blur(3px);
  white-space: nowrap;
}

#minimap {
  position: absolute;
  bottom: 24px; right: 26px;
  text-align: center;
}

#minimap-canvas {
  width: 180px; height: 180px;
  background: rgba(16,18,22,.55);
  border: 1px solid rgba(242,236,224,.25);
  display: block;
}

#minimap-label {
  margin-top: 5px;
  color: var(--paper);
  font-size: 13px;
  letter-spacing: .2em;
  text-shadow: 0 2px 6px rgba(0,0,0,.8);
}

#quiz-layer { background: rgba(10,12,15,.6); }

.quiz-card {
  width: min(720px, 92vw);
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  box-shadow: 0 30px 80px rgba(0,0,0,.65);
  padding: 34px 40px;
}

.quiz-head {
  display: flex;
  align-items: center;
  gap: 22px;
  border-bottom: 1px solid rgba(27,27,31,.14);
  padding-bottom: 18px;
}

.quiz-char {
  font-size: 62px;
  line-height: 1;
  color: var(--seal);
  border: 2px solid var(--seal);
  width: 108px; height: 108px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.quiz-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--paper);
  background: var(--jade);
  padding: 3px 12px;
}

.quiz-hint {
  font-size: 14px;
  color: #55534d;
  margin-top: 9px;
  line-height: 1.75;
}

.quiz-question {
  font-size: 20px;
  line-height: 1.95;
  margin: 24px 0 20px;
  letter-spacing: .05em;
}

#quiz-options { display: grid; gap: 11px; }

.opt {
  font-family: inherit;
  font-size: 16px;
  letter-spacing: .04em;
  text-align: left;
  text-indent: 0;
  color: var(--ink);
  background: rgba(255,255,255,.5);
  border: 1px solid rgba(27,27,31,.22);
  padding: 13px 20px;
  margin: 0;
  transition: .15s;
}

.opt:hover { background: rgba(63,107,95,.12); border-color: var(--jade); }
.opt.correct { background: var(--jade); color: var(--paper); border-color: var(--jade); }
.opt.wrong { background: var(--seal); color: var(--paper); border-color: var(--seal); }
.opt:disabled { cursor: default; }

#quiz-feedback {
  margin-top: 18px;
  font-size: 15px;
  line-height: 1.85;
  min-height: 26px;
  color: var(--jade);
}

#quiz-feedback.bad { color: var(--seal); }

#story-card, .story-card {
  width: min(700px, 92vw);
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  padding: 40px 46px;
  box-shadow: 0 30px 80px rgba(0,0,0,.65);
  text-align: center;
}

.story-card h2 {
  font-size: 28px;
  letter-spacing: .28em;
  text-indent: .28em;
  margin-bottom: 24px;
}

.story-body {
  text-align: left;
  font-size: 17px;
  line-height: 2.1;
  color: #33322e;
}

.story-body p { text-indent: 2em; margin-bottom: 12px; }

.story-body .note {
  text-indent: 0;
  background: rgba(176,139,63,.14);
  border-left: 3px solid var(--gold);
  padding: 12px 16px;
  font-size: 15px;
  line-height: 1.9;
}

#result-body { text-align: left; font-size: 17px; line-height: 2; margin: 8px 0 26px; }

.result-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed rgba(27,27,31,.2);
  padding: 9px 4px;
}

.result-row .k { color: #55534d; letter-spacing: .15em; }
.result-row .v { font-weight: 700; }

.result-grade {
  text-align: center;
  font-size: 46px;
  color: var(--seal);
  letter-spacing: .2em;
  margin: 22px 0;
}

#btn-replay { display: block; margin: 0 auto; }
#soundbar {
  position: absolute;
  bottom: 26px; left: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(16,18,22,.62);
  padding: 8px 16px 8px 10px;
  backdrop-filter: blur(3px);
  border-bottom: 2px solid var(--gold);
  pointer-events: auto;
}

#btn-mute {
  font-size: 17px;
  width: 34px; height: 34px;
  padding: 0;
  margin: 0;
  letter-spacing: 0;
  text-indent: 0;
  color: var(--paper);
  background: transparent;
  border: 1px solid rgba(242,236,224,.35);
  border-radius: 50%;
  line-height: 1;
}

#btn-mute:hover { background: rgba(242,236,224,.18); color: var(--paper); }
#btn-mute.off { color: #e0776a; border-color: #e0776a; text-decoration: line-through; }

#volume {
  width: 96px;
  accent-color: var(--gold);
  cursor: pointer;
}

#track-name {
  font-size: 12px;
  letter-spacing: .16em;
  color: rgba(242,236,224,.72);
  min-width: 84px;
}

.credits { max-width: 720px; font-size: 15px; line-height: 1.95; }
.credits p { margin-bottom: 14px; }

.credit-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 14px;
}

.credit-table th,
.credit-table td {
  border: 1px solid rgba(27,27,31,.18);
  padding: 9px 12px;
  text-align: left;
}

.credit-table th { background: rgba(27,27,31,.06); letter-spacing: .1em; }
.credit-table a { color: var(--jade); }

.note-block {
  background: rgba(176,139,63,.14);
  border-left: 3px solid var(--gold);
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.9;
}

.pause-card { width: min(560px, 92vw); padding: 34px 40px; }

.pause-sound {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 24px 0 4px;
  padding: 14px 20px;
  border-top: 1px solid rgba(27,27,31,.14);
  border-bottom: 1px solid rgba(27,27,31,.14);
}

.pause-sound button {
  font-size: 17px;
  width: 34px; height: 34px;
  padding: 0;
  margin: 0;
  border-radius: 50%;
  letter-spacing: 0;
  text-indent: 0;
  line-height: 1;
}

.pause-sound button.off { color: var(--seal); border-color: var(--seal); text-decoration: line-through; }
.pause-sound input { width: 150px; accent-color: var(--gold); cursor: pointer; }
.pause-sound span { font-size: 13px; letter-spacing: .14em; color: #5c5a54; min-width: 90px; text-align: left; }

.pause-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.pause-actions button {
  padding: 10px 22px;
  font-size: 15px;
  margin: 0;
}

#npc-toast {
  position: absolute;
  top: 92px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(18, 20, 24, 0.9);
  border: 1px solid var(--gold);
  border-left: 4px solid var(--seal);
  padding: 12px 22px;
  border-radius: 4px;
  color: var(--paper);
  box-shadow: 0 10px 30px rgba(0,0,0,0.65);
  backdrop-filter: blur(8px);
  pointer-events: auto;
  max-width: min(540px, 90vw);
  z-index: 12;
  animation: toastFadeIn .3s ease-out;
}

@keyframes toastFadeIn {
  from { opacity: 0; transform: translate(-50%, -12px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

.toast-avatar {
  font-size: 30px;
  flex: 0 0 auto;
}

.toast-content {
  text-align: left;
}

.toast-name {
  font-size: 13px;
  color: var(--gold);
  letter-spacing: .18em;
  font-weight: 700;
}

.toast-text {
  font-size: 15px;
  color: var(--paper);
  line-height: 1.6;
  margin-top: 2px;
  letter-spacing: .04em;
}

#credits-layer .ink-card {
  width: min(760px, 94vw);
  padding: 26px 34px 22px;
}

#credits-layer h1 { font-size: 30px; letter-spacing: .22em; }
#credits-layer .subtitle { font-size: 13px; margin-top: 6px; letter-spacing: .3em; }

#credits-layer .credits {
  margin: 16px auto 14px;
  padding: 14px 4px;
  max-width: none;
  font-size: 13px;
  line-height: 1.8;
}

#credits-layer .credits p { margin-bottom: 10px; }
#credits-layer .credit-table { margin: 12px 0; font-size: 12.5px; }
#credits-layer .credit-table th,
#credits-layer .credit-table td { padding: 6px 10px; }
#credits-layer .note-block { font-size: 12.5px; padding: 9px 13px; line-height: 1.75; }
#credits-layer button { padding: 9px 30px; font-size: 15px; }

.pause-quality {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 18px;
}

.pause-quality button {
  font-size: 14px;
  padding: 8px 22px;
  margin: 0;
  flex: 0 0 auto;
}

.pause-quality span {
  font-size: 12px;
  color: #6b6862;
  line-height: 1.6;
  text-align: left;
  max-width: 260px;
}

/* Device badges on title screen */
.device-pill {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: -10px auto 22px;
  font-size: 13px;
}

.device-pill span {
  background: rgba(63,107,95,.12);
  color: var(--jade);
  border: 1px solid rgba(63,107,95,.28);
  padding: 4px 12px;
  border-radius: 14px;
  letter-spacing: .06em;
}

.device-pill .warn-pill {
  background: rgba(156,43,30,.1);
  color: var(--seal);
  border-color: rgba(156,43,30,.25);
  font-weight: 500;
}

/* Touch controls overlay for tablets & touch devices */
.touch-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 15;
  user-select: none;
  -webkit-user-select: none;
}

#touch-joystick-zone {
  position: absolute;
  bottom: 30px;
  left: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: auto;
  touch-action: none;
}

#touch-joystick-base {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27,27,31,.52) 0%, rgba(16,18,22,.78) 100%);
  border: 2px solid rgba(176,139,63,.45);
  box-shadow: 0 8px 24px rgba(0,0,0,.55), inset 0 0 16px rgba(176,139,63,.2);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

#touch-joystick-thumb {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: radial-gradient(circle, #f2ece0 0%, #d8ceb8 100%);
  border: 2px solid var(--gold);
  box-shadow: 0 4px 12px rgba(0,0,0,.6);
  position: absolute;
  top: 36px;
  left: 36px;
  pointer-events: none;
  transition: transform .05s ease-out;
}

.touch-label {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: .25em;
  color: var(--paper);
  text-shadow: 0 2px 4px rgba(0,0,0,.8);
  pointer-events: none;
}

#touch-look-zone {
  position: absolute;
  top: 90px;
  right: 0;
  bottom: 0;
  width: 65vw;
  pointer-events: auto;
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.touch-look-hint {
  font-size: 13px;
  letter-spacing: .3em;
  color: rgba(242,236,224,.35);
  text-shadow: 0 1px 4px rgba(0,0,0,.8);
  pointer-events: none;
  opacity: 0.8;
  transition: opacity 1s;
}

#touch-action-zone {
  position: absolute;
  bottom: 35px;
  right: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  pointer-events: auto;
}

.touch-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(156,43,30,.88) 0%, rgba(100,20,12,.95) 100%);
  border: 2px solid var(--gold);
  color: var(--paper);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .12em;
  text-indent: .12em;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0,0,0,.6);
  cursor: pointer;
  padding: 0;
  margin: 0;
  touch-action: none;
  transition: transform .12s, filter .12s;
}

.touch-btn small {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .15em;
  opacity: 0.88;
  margin-top: 2px;
}

.touch-btn:active, .touch-btn.active {
  transform: scale(0.92);
  filter: brightness(1.25);
  background: var(--gold);
  border-color: #fff;
  color: var(--ink);
}

/* Mobile warning card */
.mobile-warning-card {
  width: min(520px, 90vw);
  padding: 34px 30px;
  border-top: 4px solid var(--seal);
}

.warning-seal {
  display: inline-block;
  background: var(--seal);
  color: var(--paper);
  font-size: 12px;
  letter-spacing: .25em;
  padding: 4px 14px;
  border-radius: 2px;
  margin-bottom: 12px;
}

.mobile-warning-card h2 {
  font-size: 26px;
  letter-spacing: .24em;
  text-indent: .24em;
  margin-bottom: 4px;
}

.warning-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

.warning-buttons button {
  margin: 0;
}

/* Responsive tweaks for tablets and smaller screens */
@media (max-width: 900px) {
  #topbar {
    top: 14px;
    left: 14px;
    right: 14px;
  }
  #chapter {
    padding: 10px 14px;
    max-width: 320px;
  }
  #chapter-title {
    font-size: 19px;
  }
  #chapter-line {
    display: none;
  }
  #minimap {
    display: none;
  }
  #soundbar {
    bottom: 14px;
    left: 14px;
    padding: 6px 12px;
  }
  #objective {
    bottom: 14px;
    font-size: 13px;
    padding: 8px 18px;
  }
}

@media (max-width: 600px) {
  .ink-card {
    padding: 26px 20px;
  }
  .ink-card h1 {
    font-size: 32px;
    letter-spacing: .2em;
    text-indent: .2em;
  }
  .passage {
    font-size: 14.5px;
    line-height: 1.95;
    padding: 14px 2px;
    margin: 18px auto;
  }
  .controls {
    font-size: 12px;
    gap: 6px 14px;
  }
}

/* Screen damage vignette overlay for rock collision impact */
#damage-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 18;
  box-shadow: inset 0 0 110px 35px rgba(176, 38, 22, 0.72);
  opacity: 0;
  transition: opacity 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
}

#damage-vignette.active {
  opacity: 1;
  transition: none;
}

/* Local saved progress summary badge on title screen */
.saved-summary {
  background: rgba(176, 139, 63, 0.1);
  border: 1px solid rgba(176, 139, 63, 0.45);
  border-radius: 4px;
  padding: 12px 20px;
  margin: 18px auto 14px;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 14px rgba(176, 139, 63, 0.15);
}

.saved-badge {
  display: inline-block;
  background: var(--seal);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .15em;
  padding: 2px 10px;
  border-radius: 2px;
}

.saved-details {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 14px;
}

.saved-title {
  font-size: 17px;
  font-weight: 700;
  color: #2b2820;
  letter-spacing: .15em;
}

.saved-stats {
  font-size: 13.5px;
  color: #635b48;
  letter-spacing: .08em;
}

/* Primary continue button with golden pulse animation */
#btn-continue.pulse-glow {
  background: #a87e2b;
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(168, 126, 43, 0.45);
  animation: pulseContinue 2.2s infinite ease-in-out;
}

#btn-continue.pulse-glow:hover {
  background: #bd9034;
  transform: translateY(-2px);
}

@keyframes pulseContinue {
  0%, 100% {
    box-shadow: 0 4px 16px rgba(168, 126, 43, 0.35);
  }
  50% {
    box-shadow: 0 6px 26px rgba(168, 126, 43, 0.72);
  }
}

.pause-save-tag {
  font-size: 12.5px;
  color: var(--jade);
  background: rgba(63, 107, 95, 0.12);
  border: 1px solid rgba(63, 107, 95, 0.32);
  padding: 5px 14px;
  border-radius: 3px;
  margin-bottom: 12px;
  display: inline-block;
  letter-spacing: .1em;
}