:root{
  --sepia-base:#C4A77D;
  --sepia-dark:#7C6448;
  --sepia-light:#EDE0C8;
  --deco-gold:#D4AF37;
  --deco-gold-light:#F4E4BC;
  --deco-gold-dark:#8F6F1E;
  --neon-cyan:#00D9E8;
  --neon-purple:#B15CFF;
  --bg-dark:#17120D;
  --bg-darker:#0D0A07;
  --panel:rgba(18,13,9,.94);
  --panel-solid:#15100B;
  --hairline:rgba(212,175,55,.32);
  --shadow:0 18px 56px rgba(0,0,0,.48);
  --font-display:"ZCOOL QingKe","Cinzel","MiSans",serif;
  --font-title:"Cinzel","ZCOOL QingKe","MiSans",serif;
  --font-body:"MiSans","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif;
  --font-ui:"MiSans","Microsoft YaHei","PingFang SC",sans-serif;
  --font-mono:"JetBrains Mono","Consolas","Courier New",monospace;
  --dialogue-font-scale:1;
}

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

html,body{
  width:100%;
  height:100%;
  overflow:hidden;
  background:var(--bg-darker);
  color:var(--sepia-light);
  font-family:var(--font-body);
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:1;
  opacity:.16;
  background:
    linear-gradient(90deg,transparent 0 49%,rgba(212,175,55,.16) 50%,transparent 51%),
    linear-gradient(0deg,transparent 0 49%,rgba(212,175,55,.10) 50%,transparent 51%);
  background-size:72px 72px;
  mix-blend-mode:screen;
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:2;
  opacity:.22;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.025) 0 1px,transparent 1px 3px);
}

#gameContainer{
  width:100%;
  height:100%;
  display:flex;
  flex-direction:column;
  position:relative;
  background:var(--bg-darker);
}

#canvasLayer{
  flex:1;
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 50% 45%,rgba(212,175,55,.08),transparent 42%),
    linear-gradient(180deg,var(--bg-dark),var(--bg-darker));
  contain:layout paint size;
}

#gameCanvas{
  width:100%;
  height:100%;
  display:block;
  transform:translateZ(0);
}

.scene-loader{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:50;
  background:var(--bg-darker);
  transition:opacity .35s ease;
}

.scene-loader.hidden{opacity:0;pointer-events:none}

.loader-spinner{
  width:48px;
  height:48px;
  border:2px solid rgba(124,100,72,.75);
  border-top-color:var(--deco-gold);
  border-radius:50%;
  animation:spin 1s linear infinite;
  box-shadow:0 0 28px rgba(212,175,55,.18);
}

@keyframes spin{to{transform:rotate(360deg)}}

#dialogueLayer{
  position:absolute;
  bottom:84px;
  left:50%;
  transform:translateX(-50%);
  width:min(88%,920px);
  z-index:20;
  pointer-events:none;
}

.dialogue-box{
  position:relative;
  min-height:150px;
  max-height:min(42vh,420px);
  padding:21px 30px 18px;
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(212,175,55,.72) rgba(124,100,72,.16);
  pointer-events:auto;
  cursor:pointer;
  color:var(--sepia-light);
  background:
    linear-gradient(180deg,rgba(25,18,12,.96),rgba(10,8,6,.98)),
    var(--panel-solid);
  border:1px solid var(--hairline);
  box-shadow:var(--shadow),inset 0 0 0 1px rgba(255,255,255,.035);
  backdrop-filter:blur(10px);
  contain:layout paint;
}

.dialogue-box::before,
.dialogue-box::after{
  content:"";
  position:absolute;
  width:18px;
  height:18px;
  border:1px solid var(--deco-gold);
  opacity:.86;
  pointer-events:none;
}

.dialogue-box::before{top:-1px;left:-1px;border-right:none;border-bottom:none}
.dialogue-box::after{right:-1px;bottom:-1px;border-left:none;border-top:none}
.dialogue-box.echo-lit{border-color:var(--deco-gold);box-shadow:var(--shadow),0 0 26px rgba(212,175,55,.24)}

.speaker-name{
  display:block;
  width:max-content;
  max-width:100%;
  margin-bottom:8px;
  padding:0 0 5px;
  color:var(--deco-gold);
  font-family:var(--font-ui);
  font-size:1rem;
  font-weight:600;
  letter-spacing:.12em;
  border-bottom:1px solid rgba(212,175,55,.4);
}

.speaker-name::before{content:"◆ ";color:var(--sepia-dark)}

.dialogue-text{
  min-height:3.6em;
  color:var(--sepia-light);
  font-family:var(--font-body);
  font-size:calc(1.06rem * var(--dialogue-font-scale));
  line-height:1.78;
  text-wrap:pretty;
  overflow-wrap:anywhere;
}

.next-indicator{
  margin-top:8px;
  color:var(--deco-gold);
  font-size:.78rem;
  text-align:right;
  opacity:0;
  animation:blink 1.1s ease-in-out infinite;
}

@keyframes blink{0%,100%{opacity:.28}50%{opacity:1}}

#choicesLayer{
  position:absolute;
  bottom:168px;
  left:50%;
  z-index:25;
  display:none;
  width:min(78%,840px);
  transform:translateX(-50%);
  flex-direction:column;
  gap:10px;
}

#choicesLayer.active{display:flex}

.choice-btn{
  position:relative;
  display:grid;
  grid-template-columns:auto 1fr;
  grid-template-rows:auto auto;
  column-gap:4px;
  row-gap:4px;
  overflow:visible;
  min-height:auto;
  padding:16px 28px 18px;
  color:var(--sepia-light);
  text-align:left;
  font:inherit;
  font-size:1rem;
  line-height:1.5;
  cursor:pointer;
  background:linear-gradient(90deg,rgba(20,15,10,.94),rgba(10,8,6,.96));
  border:1px solid rgba(196,167,125,.45);
  box-shadow:0 10px 26px rgba(0,0,0,.3);
  opacity:0;
  transform:translateY(8px);
  animation:choice-rise .32s ease forwards;
  animation-delay:var(--choice-delay,0ms);
  transition:transform .22s ease,border-color .22s ease,color .22s ease,box-shadow .22s ease;
}

.choice-btn::before{
  content:"";
  position:absolute;
  inset:0 auto 0 -35%;
  width:30%;
  background:linear-gradient(90deg,transparent,rgba(212,175,55,.18),transparent);
  transform:skewX(-18deg);
  transition:left .45s ease;
}

.choice-btn:hover,
.choice-btn:focus-visible{
  color:var(--deco-gold);
  border-color:var(--deco-gold);
  transform:translateX(5px);
  box-shadow:0 14px 34px rgba(0,0,0,.4),0 0 20px rgba(212,175,55,.12);
  outline:none;
}

.choice-btn:hover::before,
.choice-btn:focus-visible::before{left:105%}

.choice-btn.special-choice{
  border-color:rgba(212,175,55,.78);
  background:linear-gradient(90deg,rgba(42,30,13,.98),rgba(10,8,6,.96));
  box-shadow:0 14px 36px rgba(0,0,0,.36),0 0 24px rgba(212,175,55,.12);
}

.choice-btn.special-choice::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(212,175,55,.10),transparent);
  animation:special-scan 2.6s ease-in-out infinite;
}

@keyframes choice-rise{to{opacity:1;transform:translateY(0)}}
@keyframes special-scan{0%,100%{opacity:.2;transform:translateX(-18%)}50%{opacity:1;transform:translateX(18%)}}

.choice-label{
  display:inline-block;
  min-width:2.2em;
  margin-right:4px;
  color:var(--deco-gold);
  font-weight:700;
  letter-spacing:.08em;
}

#controlBar{
  position:relative;
  z-index:30;
  display:flex;
  flex-shrink:0;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:66px;
  padding:9px 16px;
  background:linear-gradient(180deg,rgba(25,18,12,.98),var(--bg-darker));
  border-top:1px solid rgba(196,167,125,.35);
  box-shadow:0 -16px 34px rgba(0,0,0,.32);
  scrollbar-color:rgba(212,175,55,.45) rgba(10,8,6,.55);
  scrollbar-width:thin;
}

.ctrl-btn{
  position:relative;
  display:grid;
  grid-template-columns:auto auto;
  grid-template-areas:"icon label" "icon key";
  column-gap:8px;
  align-items:center;
  min-width:92px;
  min-height:44px;
  padding:7px 13px;
  color:var(--sepia-base);
  font-family:var(--font-ui);
  font-size:.85rem;
  line-height:1;
  cursor:pointer;
  overflow:hidden;
  background:linear-gradient(180deg,rgba(20,15,10,.42),rgba(10,8,6,.28));
  border:1px solid rgba(196,167,125,.45);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease;
}

.ctrl-btn:hover,
.ctrl-btn:focus-visible{
  color:var(--deco-gold);
  background:rgba(212,175,55,.08);
  border-color:var(--deco-gold);
  box-shadow:0 0 18px rgba(212,175,55,.08),inset 0 0 0 1px rgba(255,255,255,.04);
  outline:none;
}

.ctrl-btn:active{transform:scale(.96)}

.ctrl-btn.is-active{
  color:var(--deco-gold);
  border-color:var(--deco-gold);
  background:linear-gradient(180deg,rgba(212,175,55,.14),rgba(10,8,6,.32));
  box-shadow:0 0 22px rgba(212,175,55,.12),inset 0 -2px 0 var(--deco-gold);
}

.ctrl-btn.is-active .ctrl-key{color:var(--deco-gold-light)}

.danger-btn:hover,
.danger-btn:focus-visible{
  color:#f1c6a8;
  border-color:rgba(241,198,168,.58);
}

.ctrl-icon{
  grid-area:icon;
  display:grid;
  place-items:center;
  width:20px;
  height:24px;
  color:var(--deco-gold);
  font-size:1.05rem;
  line-height:1;
}

.ctrl-label{
  grid-area:label;
  font-size:.88rem;
  font-weight:600;
  letter-spacing:.08em;
  line-height:1.1;
}

.ctrl-key{
  grid-area:key;
  color:var(--sepia-dark);
  font-family:var(--font-mono);
  font-size:.62rem;
  letter-spacing:.04em;
  line-height:1.1;
}

.mode-btn .ctrl-icon::after{
  content:"";
  position:absolute;
  width:5px;
  height:5px;
  margin:18px 0 0 16px;
  border-radius:50%;
  background:rgba(124,100,72,.65);
  box-shadow:0 0 0 1px rgba(0,0,0,.2);
}

.mode-btn.is-active .ctrl-icon::after{
  background:var(--deco-gold);
  box-shadow:0 0 10px rgba(212,175,55,.75);
}

.settings-actions .ctrl-btn,
#closeHistory,
#closeSaveLoad,
#nextChapterBtn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:auto;
}

#characterLayer{
  position:absolute;
  bottom:138px;
  left:0;
  z-index:15;
  width:100%;
  height:52%;
  pointer-events:none;
  contain:layout paint;
}

.character-sprite{
  position:absolute;
  bottom:0;
  max-width:44%;
  max-height:100%;
  object-fit:contain;
  opacity:0;
  filter:drop-shadow(0 10px 18px rgba(0,0,0,.62));
  transform:translateZ(0);
  transition:opacity .42s ease,transform .42s ease;
  will-change:opacity,transform;
}

.character-sprite.center{left:50%;transform:translateX(-50%)}
.character-sprite.left{left:4%}
.character-sprite.right{right:4%}
.character-sprite.active{opacity:1}

@keyframes breathe-center{
  0%,100%{transform:translateX(-50%) translateY(0) scale(1)}
  50%{transform:translateX(-50%) translateY(-3px) scale(1.005)}
}

@keyframes breathe{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
.character-sprite.center.active.breathing{animation:breathe-center 4.4s ease-in-out infinite}
.character-sprite:not(.center).active.breathing{animation:breathe 4.4s ease-in-out infinite}

.scene-hud{
  position:absolute;
  top:24px;
  left:28px;
  z-index:18;
  width:min(36vw,360px);
  padding:18px 20px 16px;
  color:var(--sepia-light);
  background:linear-gradient(145deg,rgba(12,9,6,.72),rgba(25,18,12,.42));
  border-left:2px solid var(--deco-gold);
  box-shadow:0 16px 42px rgba(0,0,0,.34);
  backdrop-filter:blur(8px);
  pointer-events:none;
  contain:layout paint;
}

.scene-hud::before{
  content:"";
  position:absolute;
  inset:8px;
  border:1px solid rgba(212,175,55,.18);
}

.hud-kicker{
  position:relative;
  color:var(--deco-gold);
  font-family:var(--font-mono);
  font-size:.68rem;
  font-weight:700;
  letter-spacing:.26em;
}

.hud-title{
  position:relative;
  margin-top:8px;
  font-family:var(--font-display);
  font-size:1.32rem;
  font-weight:400;
  line-height:1.25;
  letter-spacing:.08em;
  text-shadow:0 2px 18px rgba(0,0,0,.5);
}

.hud-meta{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:9px;
  color:var(--sepia-base);
  font-family:var(--font-mono);
  font-size:.76rem;
}

.hud-meta span{
  padding:3px 8px;
  border:1px solid rgba(196,167,125,.28);
  background:rgba(10,8,6,.22);
}

.hud-objective{
  position:relative;
  margin-top:11px;
  color:var(--sepia-light);
  font-family:var(--font-ui);
  font-size:.84rem;
  line-height:1.55;
}

.signal-panel{
  position:absolute;
  top:24px;
  right:26px;
  z-index:18;
  width:202px;
  padding:14px 14px 12px;
  color:var(--sepia-base);
  background:linear-gradient(180deg,rgba(10,8,6,.72),rgba(24,17,11,.50));
  border:1px solid rgba(196,167,125,.28);
  box-shadow:0 16px 40px rgba(0,0,0,.3);
  backdrop-filter:blur(8px);
  pointer-events:none;
  contain:layout paint;
}

.settings-fab{
  position:absolute;
  right:26px;
  bottom:78px;
  z-index:35;
  display:grid;
  place-items:center;
  width:42px;
  height:42px;
  color:var(--sepia-base);
  font-family:var(--font-ui);
  font-size:1.08rem;
  cursor:pointer;
  background:linear-gradient(145deg,rgba(10,8,6,.56),rgba(24,17,11,.34));
  border:1px solid rgba(196,167,125,.28);
  box-shadow:0 12px 30px rgba(0,0,0,.24);
  backdrop-filter:blur(8px);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}

.settings-fab:hover,
.settings-fab:focus-visible{
  color:var(--deco-gold);
  border-color:var(--deco-gold);
  background:rgba(212,175,55,.08);
  outline:none;
}

.settings-fab:active{transform:scale(.94)}

.signal-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:10px;
  color:var(--deco-gold);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.18em;
}

.signal-head b{
  font-size:1.05rem;
  letter-spacing:0;
}

.signal-grid{
  display:grid;
  gap:7px;
}

.signal-row{
  display:grid;
  grid-template-columns:42px 1fr 28px;
  align-items:center;
  gap:7px;
  font-family:var(--font-mono);
  font-size:.7rem;
}

.signal-track{
  display:block;
  height:5px;
  overflow:hidden;
  background:rgba(196,167,125,.16);
}

.signal-fill{
  display:block;
  width:0%;
  height:100%;
  background:linear-gradient(90deg,var(--sepia-dark),var(--deco-gold));
  transition:width .38s ease;
}

.chapter-card{
  position:absolute;
  top:50%;
  left:50%;
  z-index:85;
  display:grid;
  min-width:min(78vw,560px);
  padding:34px 44px 32px;
  place-items:center;
  color:var(--sepia-light);
  text-align:center;
  background:linear-gradient(180deg,rgba(13,10,7,.94),rgba(27,19,12,.9));
  border:1px solid var(--hairline);
  box-shadow:0 26px 80px rgba(0,0,0,.58),inset 0 0 0 1px rgba(255,255,255,.04);
  opacity:0;
  pointer-events:none;
  transform:translate(-50%,-48%) scale(.96);
  transition:opacity .34s ease,transform .34s ease;
}

.chapter-card::before,
.chapter-card::after{
  content:"";
  position:absolute;
  left:22px;
  right:22px;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--deco-gold),transparent);
}

.chapter-card::before{top:18px}
.chapter-card::after{bottom:18px}
.chapter-card.active{opacity:1;transform:translate(-50%,-50%) scale(1)}
.chapter-card-kicker{color:var(--deco-gold);font-family:var(--font-mono);font-size:.74rem;font-weight:700;letter-spacing:.32em}
.chapter-card-title{margin-top:12px;font-family:var(--font-display);font-size:2rem;font-weight:400;letter-spacing:.16em}
.chapter-card-line{max-width:36em;margin-top:14px;color:var(--sepia-base);font-family:var(--font-body);font-size:.96rem;line-height:1.7}

.story-toast{
  position:absolute;
  right:28px;
  bottom:164px;
  z-index:105;
  display:grid;
  gap:8px;
  width:min(340px,calc(100vw - 56px));
  pointer-events:none;
}

.toast-card{
  padding:13px 15px;
  color:var(--sepia-light);
  background:linear-gradient(90deg,rgba(16,12,8,.94),rgba(31,22,13,.9));
  border:1px solid rgba(212,175,55,.36);
  box-shadow:0 12px 30px rgba(0,0,0,.34);
  opacity:0;
  transform:translateX(12px);
  animation:toast-in 4.4s ease forwards;
}

.toast-card.tone-special{
  border-color:var(--deco-gold);
  box-shadow:0 14px 36px rgba(0,0,0,.42),0 0 28px rgba(212,175,55,.18);
}

.toast-card.tone-tech,
.toast-card.tone-clue{
  border-color:rgba(0,217,232,.45);
}

.toast-title{
  color:var(--deco-gold);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.18em;
}

.toast-body{
  margin-top:5px;
  color:var(--sepia-base);
  font-size:.84rem;
  line-height:1.5;
}

.toast-detail{
  margin-top:7px;
  color:var(--deco-gold-light);
  font-family:var(--font-mono);
  font-size:.68rem;
  line-height:1.45;
  opacity:.74;
}

@keyframes toast-in{
  0%{opacity:0;transform:translateX(14px)}
  12%,84%{opacity:1;transform:translateX(0)}
  100%{opacity:0;transform:translateX(12px)}
}

.choice-copy{
  display:block;
}

.choice-meta{
  display:flex;
  flex-wrap:wrap;
  grid-column:2;
  gap:6px;
  margin-top:8px;
}

.choice-chip{
  padding:2px 7px;
  color:var(--deco-gold-light);
  font-size:.68rem;
  line-height:1.4;
  border:1px solid rgba(212,175,55,.28);
  background:rgba(212,175,55,.08);
}

.special-choice .choice-chip:first-child{
  color:#0d0a07;
  background:var(--deco-gold);
  border-color:var(--deco-gold);
}

.echo-ripple{
  position:absolute;
  z-index:40;
  border:2px solid var(--deco-gold);
  border-radius:50%;
  pointer-events:none;
  animation:ripple-expand 2s ease-out forwards;
}

@keyframes ripple-expand{0%{width:20px;height:20px;opacity:1}100%{width:220px;height:220px;opacity:0}}

#illustrationLayer{
  position:absolute;
  inset:0;
  z-index:100;
  display:none;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  background:rgba(13,10,7,.96);
  backdrop-filter:blur(12px);
}

#illustrationLayer.active{
  display:flex;
  animation:illustration-fade .34s ease both;
}

#illustrationImg{
  max-width:min(86%,1180px);
  max-height:74%;
  object-fit:contain;
  border:2px solid var(--deco-gold);
  box-shadow:0 0 48px rgba(212,175,55,.22),0 18px 60px rgba(0,0,0,.5);
  transform-origin:center;
}

#illustrationLayer.active #illustrationImg{
  animation:illustration-kenburns 5s ease-out both;
}

.illustration-caption{
  max-width:80%;
  margin-top:16px;
  color:var(--sepia-base);
  font-size:.92rem;
  line-height:1.7;
  text-align:center;
  opacity:0;
  animation:caption-rise .42s ease .18s both;
}

.illustration-close{
  position:absolute;
  top:20px;
  right:24px;
  z-index:101;
  width:40px;
  height:40px;
  color:var(--sepia-dark);
  font-size:2rem;
  line-height:1;
  cursor:pointer;
  background:none;
  border:none;
}

.illustration-close:hover{color:var(--deco-gold)}

@keyframes illustration-fade{from{opacity:0}to{opacity:1}}
@keyframes illustration-kenburns{
  from{opacity:.15;transform:scale(1.025) translateY(8px);filter:sepia(.28) contrast(1.08)}
  12%{opacity:1}
  to{opacity:1;transform:scale(1);filter:sepia(.08) contrast(1.04)}
}
@keyframes caption-rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

#historyModal,
#saveLoadModal{
  display:none;
  position:fixed;
  inset:0;
  z-index:90;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:rgba(13,10,7,.72);
  backdrop-filter:blur(6px);
}

#historyModal{
  flex-direction:column;
}

#saveLoadModal{
  flex-direction:column;
}

#historyModal > div:not(:last-child),
#saveLoadModal > .history-title,
#saveLoadModal > .slots-grid{
  background:linear-gradient(180deg,rgba(25,18,12,.98),rgba(10,8,6,.99));
  border:1px solid var(--hairline);
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px);
}

#historyModal > div:first-child,
#saveLoadModal > .history-title{
  width:100%;
  max-width:640px;
  padding:20px;
  text-align:center;
}

#historyModal > #historyContent{
  width:100%;
  max-width:640px;
  max-height:60vh;
  padding:20px;
  overflow-y:auto;
}

#saveLoadModal > .slots-grid{
  width:100%;
  max-width:500px;
  padding:24px;
}

#historyModal > div:last-child,
#saveLoadModal > div:last-child{
  margin-top:16px;
}

#historyModal.active,
#saveLoadModal.active{display:flex}

.settings-modal{
  position:fixed;
  inset:0;
  z-index:140;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:rgba(13,10,7,.58);
  backdrop-filter:blur(8px);
}

.settings-modal.active{display:flex}

.settings-panel{
  width:min(92vw,520px);
  color:var(--sepia-light);
  background:linear-gradient(180deg,rgba(24,17,11,.98),rgba(10,8,6,.98));
  border:1px solid var(--hairline);
  box-shadow:0 24px 72px rgba(0,0,0,.58),inset 0 0 0 1px rgba(255,255,255,.035);
}

.settings-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  padding:22px 24px 18px;
  border-bottom:1px solid rgba(196,167,125,.24);
}

.settings-kicker{
  color:var(--sepia-dark);
  font-family:var(--font-mono);
  font-size:.68rem;
  font-weight:700;
  letter-spacing:.24em;
}

.settings-title{
  margin-top:5px;
  color:var(--deco-gold);
  font-family:var(--font-display);
  font-size:1.42rem;
  font-weight:400;
  letter-spacing:.18em;
}

.settings-close{
  width:34px;
  height:34px;
  color:var(--sepia-dark);
  font-size:1.7rem;
  line-height:1;
  cursor:pointer;
  background:none;
  border:1px solid rgba(196,167,125,.22);
}

.settings-close:hover,
.settings-close:focus-visible{
  color:var(--deco-gold);
  border-color:var(--deco-gold);
  outline:none;
}

.settings-body{
  display:grid;
  gap:16px;
  padding:20px 24px 10px;
}

.setting-row,
.setting-toggle{
  display:grid;
  gap:9px;
  padding:14px;
  background:rgba(124,100,72,.08);
  border:1px solid rgba(196,167,125,.2);
}

.setting-row{
  grid-template-columns:1fr auto;
  align-items:center;
}

.setting-row input[type=range]{grid-column:1 / -1}

.setting-row b,
.setting-toggle b{
  display:block;
  color:var(--sepia-light);
  font-size:.92rem;
  letter-spacing:.06em;
}

.setting-row small,
.setting-toggle small{
  display:block;
  margin-top:3px;
  color:var(--sepia-dark);
  font-size:.75rem;
}

.setting-row output{
  color:var(--deco-gold);
  font-family:var(--font-mono);
  font-size:.82rem;
  font-weight:700;
}

.setting-row input[type=range]{
  width:100%;
  accent-color:var(--deco-gold);
}

.setting-toggle{
  grid-template-columns:1fr auto;
  align-items:center;
}

.setting-toggle input{
  width:20px;
  height:20px;
  accent-color:var(--deco-gold);
}

.settings-actions{
  display:flex;
  justify-content:flex-end;
  gap:10px;
  padding:14px 24px 24px;
}

body.reduce-effects .character-sprite.active.breathing{animation:none}

.history-title{
  margin-bottom:16px;
  color:var(--deco-gold);
  font-family:var(--font-display);
  font-size:1.08rem;
  font-weight:400;
  letter-spacing:.2em;
  text-align:center;
}

.history-entry{
  padding:10px 0;
  color:var(--sepia-base);
  font-size:.9rem;
  line-height:1.6;
  border-bottom:1px solid rgba(124,100,72,.24);
}

.history-entry:last-child{border-bottom:none}
.history-speaker{margin-right:6px;color:var(--deco-gold)}
.history-empty{
  padding:24px 0;
  color:var(--sepia-dark);
  font-size:.9rem;
  text-align:center;
  letter-spacing:.08em;
}
.choice-history{color:var(--deco-gold)}
.feedback-history{color:var(--sepia-base);font-size:.82rem;padding-left:16px}

.slots-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  margin-top:16px;
}

.slot-btn{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  min-height:82px;
  padding:16px 8px;
  color:var(--sepia-base);
  text-align:center;
  cursor:pointer;
  font:inherit;
  background:rgba(124,100,72,.10);
  border:1px solid rgba(196,167,125,.4);
  transition:all .22s ease;
}

.slot-btn:hover{color:var(--deco-gold);border-color:var(--deco-gold);background:rgba(212,175,55,.08)}
.slot-btn.has-data{color:var(--deco-gold-light);border-color:var(--deco-gold-dark)}
.slot-btn:disabled{
  cursor:not-allowed;
  opacity:.48;
  background:rgba(40,30,20,.22);
}
.slot-btn:disabled:hover{color:var(--sepia-base);border-color:rgba(196,167,125,.4);background:rgba(40,30,20,.22)}
.slot-number{font-size:1.3rem;font-weight:700}
.slot-number,.slot-scene,.slot-time,.slot-action{font-family:var(--font-mono)}
.slot-scene{color:var(--deco-gold);font-size:.78rem;letter-spacing:.08em}
.slot-time{font-size:.72rem;opacity:.72}
.slot-action{font-size:.66rem;color:var(--sepia-dark);letter-spacing:.06em}

#glitchOverlay{
  position:absolute;
  inset:0;
  z-index:60;
  opacity:0;
  pointer-events:none;
  transition:opacity .1s;
}

#glitchOverlay.active{opacity:1}
.glitch-strip{position:absolute;left:0;width:100%;opacity:.15}

.chapter-end{
  position:absolute;
  inset:0;
  z-index:110;
  display:none;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  background:rgba(13,10,7,.97);
}

.chapter-end.active{display:flex}
.chapter-end-title{margin-bottom:20px;color:var(--deco-gold);font-family:var(--font-display);font-size:2rem;font-weight:400;letter-spacing:.2em}
.chapter-end-sub{margin-bottom:40px;color:var(--sepia-base);font-size:1rem}

@media(max-width:640px) and (orientation:portrait){
  .scene-hud{top:12px;left:12px;width:calc(100% - 24px);padding:12px 14px}
  .hud-title{font-size:1rem}
  .hud-objective{display:none}
  .settings-fab{right:12px;bottom:88px;width:38px;height:38px}
  .signal-panel{display:none}
  .chapter-card{min-width:88vw;padding:28px 24px}
  .chapter-card-title{font-size:1.35rem}
  .chapter-card-line{font-size:.84rem}
  .story-toast{right:12px;bottom:214px;width:calc(100% - 24px)}
  #dialogueLayer{bottom:140px;width:96%}
  .dialogue-box{min-height:138px;max-height:44vh;padding:14px 18px}
  .dialogue-text{font-size:calc(.95rem * var(--dialogue-font-scale));line-height:1.68}
  .speaker-name{font-size:.9rem}
  #choicesLayer{bottom:206px;width:94%}
  .choice-btn{padding:14px 22px 16px;font-size:.9rem;min-height:auto}
  #controlBar{min-height:72px;gap:6px;overflow-x:auto;justify-content:flex-start;padding:8px 10px}
  #controlBar .ctrl-btn{flex:0 0 auto;grid-template-columns:1fr;grid-template-areas:"icon" "label";justify-items:center;row-gap:4px;min-width:74px;min-height:50px;padding:7px 9px;font-size:.76rem}
  #controlBar .ctrl-icon{width:24px;height:18px}
  #controlBar .ctrl-label{font-size:.76rem;letter-spacing:.04em}
  #controlBar .ctrl-key{display:none}
  .settings-modal{padding:12px}
  .settings-panel{width:100%}
  .settings-head{padding:18px 18px 14px}
  .settings-body{padding:16px 18px 8px}
  .settings-actions{padding:12px 18px 18px}
  #characterLayer{bottom:178px;height:44%}
  .character-sprite{max-width:62%}
}

@media(min-width:641px) and (max-width:1023px){
  .scene-hud{top:18px;left:18px;width:min(42vw,330px)}
  .settings-fab{right:18px;bottom:82px}
  .signal-panel{top:18px;right:18px;width:188px}
  .story-toast{right:18px;bottom:174px}
  #dialogueLayer{bottom:96px;width:88%}
  .dialogue-box{padding:17px 22px}
  .dialogue-text{font-size:calc(1rem * var(--dialogue-font-scale));line-height:1.72}
  #choicesLayer{bottom:178px;width:88%}
  .choice-btn{padding:15px 24px 17px;font-size:.96rem;min-height:auto}
  #controlBar{min-height:64px;gap:6px}
  #controlBar .ctrl-btn{min-width:84px;padding:7px 11px;font-size:.8rem}
  #controlBar .ctrl-key{font-size:.58rem}
  #characterLayer{bottom:158px}
  .character-sprite{max-width:50%}
}

@media(min-width:1024px){
  #dialogueLayer{width:min(80%,960px);bottom:90px}
  .dialogue-text{font-size:calc(1.14rem * var(--dialogue-font-scale))}
  #choicesLayer{width:min(70%,860px);bottom:172px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}


/* === 鐗规畩閫夐」杩囨浮閬僵 === */
.transition-overlay{
  position:absolute;inset:0;z-index:55;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:var(--bg-darker);opacity:0;pointer-events:none;
  transition:opacity 1s ease
}
.transition-overlay.active{opacity:1;pointer-events:auto}
.transition-text{
  color:var(--deco-gold);font-family:var(--font-display);
  font-size:1.4rem;letter-spacing:.18em;line-height:2;
  text-align:center;max-width:78%;min-height:3em;
  text-shadow:0 0 12px rgba(212,175,55,.3)
}
.transition-line{
  width:120px;height:1px;
  background:linear-gradient(90deg,transparent,var(--deco-gold),transparent);
  margin-top:24px;opacity:0;transition:opacity .6s ease .4s
}
.transition-overlay.active .transition-line{opacity:.6}
.transition-overlay::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;
  background:repeating-linear-gradient(
    0deg,transparent,transparent 2px,rgba(0,245,255,.06) 2px,rgba(0,245,255,.06) 4px,
    transparent 4px,transparent 6px,rgba(191,0,255,.05) 6px,rgba(191,0,255,.05) 8px
  );
  transition:opacity .4s ease
}
.transition-overlay.active::before{opacity:1}
.transition-overlay.active .transition-text{
  animation:glitch-color-shift .6s ease-in-out
}


/* ── Login Screen ─────────────────────────────── */
#loginScreen{
  position:fixed;inset:0;z-index:200;
  display:none;align-items:center;justify-content:center;
  background:radial-gradient(ellipse at 50% 30%,rgba(30,22,14,.92),rgba(8,6,4,.98));
}
#loginScreen::before{
  content:'';position:absolute;top:50%;left:10%;right:10%;height:1px;
  background:linear-gradient(90deg,transparent,var(--deco-gold),transparent);
  opacity:.35;animation:freqPulse 3s ease-in-out infinite;
}
@keyframes freqPulse{0%,100%{opacity:.15;transform:scaleX(.7)}50%{opacity:.45;transform:scaleX(1)}}
.login-card{
  position:relative;z-index:1;text-align:center;
  padding:48px 40px 36px;max-width:400px;width:90%;
  border:1px solid var(--hairline);border-radius:6px;
  background:var(--panel);box-shadow:var(--shadow);
}
.login-subtitle{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.45em;
  color:var(--sepia-dark);text-transform:uppercase;margin-bottom:12px;
}
.login-title{
  font-family:var(--font-display);font-size:1.6rem;
  color:var(--sepia-light);margin-bottom:16px;font-weight:400;
}
.login-desc{
  font-size:.82rem;color:var(--sepia-dark);line-height:1.6;margin-bottom:28px;
}
.login-input{
  display:block;width:100%;padding:12px 16px;
  font-family:var(--font-mono);font-size:.9rem;color:var(--sepia-light);
  background:rgba(0,0,0,.35);border:1px solid var(--hairline);border-radius:4px;
  outline:none;transition:border-color .2s;
}
.login-input:focus{border-color:var(--deco-gold)}
.login-input::placeholder{color:var(--sepia-dark);opacity:.5}
.login-btn{
  display:block;width:100%;margin-top:16px;padding:12px;
  font-family:var(--font-display);font-size:.95rem;letter-spacing:.12em;
  color:var(--bg-dark);background:var(--deco-gold);
  border:none;border-radius:4px;cursor:pointer;
  transition:background .2s,transform .1s;
}
.login-btn:hover{background:var(--deco-gold-light)}
.login-btn:active{transform:scale(.98)}
.login-btn:disabled{opacity:.5;cursor:default}
.login-status{
  margin-top:14px;font-size:.78rem;color:var(--sepia-dark);min-height:1.2em;
}
.logout-btn{opacity:.5 !important;font-size:.78rem !important}


/* ── Login Screen ─────────────────────────────── */
#loginScreen{
  position:fixed;inset:0;z-index:200;
  display:none;align-items:center;justify-content:center;
  background:radial-gradient(ellipse at 50% 30%,rgba(30,22,14,.92),rgba(8,6,4,.98));
}
#loginScreen::before{
  content:'';position:absolute;top:50%;left:10%;right:10%;height:1px;
  background:linear-gradient(90deg,transparent,var(--deco-gold),transparent);
  opacity:.35;animation:freqPulse 3s ease-in-out infinite;
}
@keyframes freqPulse{0%,100%{opacity:.15;transform:scaleX(.7)}50%{opacity:.45;transform:scaleX(1)}}
.login-card{
  position:relative;z-index:1;text-align:center;
  padding:48px 40px 36px;max-width:400px;width:90%;
  border:1px solid var(--hairline);border-radius:6px;
  background:var(--panel);box-shadow:var(--shadow);
}
.login-subtitle{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.45em;
  color:var(--sepia-dark);text-transform:uppercase;margin-bottom:12px;
}
.login-title{
  font-family:var(--font-display);font-size:1.6rem;
  color:var(--sepia-light);margin-bottom:16px;font-weight:400;
}
.login-desc{
  font-size:.82rem;color:var(--sepia-dark);line-height:1.6;margin-bottom:28px;
}
.login-input{
  display:block;width:100%;padding:12px 16px;
  font-family:var(--font-mono);font-size:.9rem;color:var(--sepia-light);
  background:rgba(0,0,0,.35);border:1px solid var(--hairline);border-radius:4px;
  outline:none;transition:border-color .2s;
}
.login-input:focus{border-color:var(--deco-gold)}
.login-input::placeholder{color:var(--sepia-dark);opacity:.5}
.login-btn{
  display:block;width:100%;margin-top:16px;padding:12px;
  font-family:var(--font-display);font-size:.95rem;letter-spacing:.12em;
  color:var(--bg-dark);background:var(--deco-gold);
  border:none;border-radius:4px;cursor:pointer;
  transition:background .2s,transform .1s;
}
.login-btn:hover{background:var(--deco-gold-light)}
.login-btn:active{transform:scale(.98)}
.login-btn:disabled{opacity:.5;cursor:default}
.login-status{
  margin-top:14px;font-size:.78rem;color:var(--sepia-dark);min-height:1.2em;
}
.logout-btn{opacity:.5 !important;font-size:.78rem !important}

/* -- ��ֵ˵������ -- */
.stat-help-section{
  margin-top:8px;
  padding:10px 24px;
  border-top:1px solid rgba(196,167,125,.15);
}
.stat-help-title{
  color:var(--sepia-dark);
  font-size:.72rem;
  letter-spacing:.12em;
  margin-bottom:10px;
  font-family:var(--font-mono);
}
.stat-help-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:5px 12px;
}
.stat-help-item{
  display:flex;
  gap:5px;
  align-items:baseline;
  font-size:.7rem;
  line-height:1.55;
}
.stat-name{
  color:var(--deco-gold);
  font-family:var(--font-mono);
  white-space:nowrap;
  min-width:2.8em;
  font-weight:600;
}
.stat-desc{
  color:var(--sepia-base);
  opacity:.72;
}