/* ============================================================
   纸嫁衣宇宙 ·「回忆剧场」播放器 (v1 · 共享样式)
   全屏模态 / 16:9 舞台 / Ken Burns / 绢帛字幕 / 红烛进度 / 高潮演出 / 尾声蝴蝶
   依赖: assets/zjy_theater.js
   ============================================================ */

/* ---- 入口按钮 (启动器卡片 / 攻略页工具栏) ---- */
.th-btn{display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border-radius:8px;cursor:pointer;
  font-size:.78rem;font-weight:700;font-family:var(--font-body,system-ui);
  border:1px solid rgba(212,168,75,.45);transition:all .25s;user-select:none;}
.th-btn.on{background:linear-gradient(180deg,#9a1f1f,#7e1212);color:#f8e8c8;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 2px 8px rgba(196,30,30,.35);}
.th-btn.on:hover{box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 0 14px rgba(212,168,75,.4);transform:translateY(-1px);}
.th-btn.off{background:rgba(60,50,40,.55);color:#8a7a6a;border-style:dashed;cursor:not-allowed;}
.th-btn.off:hover{border-color:rgba(138,122,106,.6);}
.th-btn.pending{background:rgba(120,90,40,.18);color:#c8a858;border-style:dotted;}
.th-btn .th-lock{font-size:.8rem;}

/* ============================================================
   B4: 剧场入口器物化 (v6)
   启动器卡片: 木牌签 + 锁闭"封"字黄符斜贴; 解锁红绸飘动一次
   攻略页工具栏: 铜钱/木牌同族, 尺寸对齐 rt-btn
   ============================================================ */
/* 卡片入口容器 */
.th-card-entry{display:flex;align-items:center;justify-content:flex-end;gap:8px;margin-top:12px;padding-right:14px;position:relative;}
/* 锁闭"封"字黄符斜贴 */
.th-seal{position:relative;width:26px;height:30px;flex-shrink:0;
  background:
    repeating-linear-gradient(180deg,rgba(176,37,37,.06) 0 2px,transparent 2px 4px),
    linear-gradient(160deg,#e8c86a,#c8a04a 70%,#b8903c);
  clip-path:polygon(0 0,100% 0,100% 82%,88% 100%,80% 82%,72% 100%,64% 82%,56% 100%,48% 82%,40% 100%,32% 82%,24% 100%,16% 82%,8% 100%,0 82%);
  box-shadow:0 2px 6px rgba(0,0,0,.3);
  transform:rotate(-6deg);
  display:flex;align-items:center;justify-content:center;
  font-family:serif;font-size:1rem;font-weight:900;color:#9a1f1f;text-shadow:0 1px 0 rgba(255,255,255,.25);}
/* 启动器入口按钮: 木牌签造型 */
.th-card-entry .th-btn{position:relative;padding:6px 14px 7px;border-radius:6px;font-size:.74rem;letter-spacing:.08em;
  background:
    repeating-linear-gradient(92deg,rgba(0,0,0,.07) 0 1px,transparent 1px 5px),
    linear-gradient(180deg,#8a6240,#6e4c30 60%,#5a3c24);
  color:#f0e0c8;border:1px solid rgba(160,120,70,.55);
  box-shadow:inset 0 1px 0 rgba(255,235,200,.15),inset 0 -2px 4px rgba(0,0,0,.35),0 2px 6px rgba(0,0,0,.35);}
.th-card-entry .th-btn::before{content:'';position:absolute;top:-3px;left:50%;transform:translateX(-50%);
  width:6px;height:6px;border-radius:50%;
  background:radial-gradient(circle at 40% 35%,#e8d3b8,#8a5a3a 60%,#5e3c24);
  box-shadow:inset 0 1px 2px rgba(0,0,0,.5);}
/* 解锁态: 红绸飘动一次 */
.th-card-entry .th-btn.on{background:
  repeating-linear-gradient(92deg,rgba(255,255,255,.06) 0 1px,transparent 1px 5px),
  linear-gradient(180deg,#a83a2e,#7e2420 60%,#5e1814);
  border-color:rgba(212,168,75,.6);color:#f8e8c8;
  animation:thRibbon 1.2s cubic-bezier(.34,1.56,.64,1) 1;}
@keyframes thRibbon{0%{transform:translateY(0) scaleX(1);}35%{transform:translateY(-2px) scaleX(1.03);}70%{transform:translateY(0) scaleX(.99);}100%{transform:translateY(0) scaleX(1);}}
/* 锁闭态: 深灰木牌 (v5 印章体系外单独造型) */
.th-card-entry .th-btn.off{background:
  repeating-linear-gradient(92deg,rgba(0,0,0,.08) 0 1px,transparent 1px 5px),
  linear-gradient(180deg,#5a4a3a,#4a3a2c 60%,#3a2c20);
  border-style:dashed;border-color:rgba(160,130,100,.4);color:#9a8a7a;}
.th-card-entry .th-btn.off:hover{border-color:rgba(200,170,120,.55);}
/* 攻略页工具栏: 铜钱同族 */
#thBtn.th-btn{padding:0 12px;height:34px;border-radius:50% 8px 8px 50%;font-size:.72rem;font-weight:700;
  background:
    conic-gradient(from 0deg,#8a7a5a,#a89878 25%,#7a8a6a 50%,#a89878 75%,#8a7a5a),
    linear-gradient(180deg,#9a8a6a,#6a5a3a);
  border:1px solid rgba(120,110,70,.6);
  box-shadow:inset 0 1px 1px rgba(255,255,255,.2),inset 0 -2px 3px rgba(0,0,0,.4),0 2px 5px rgba(0,0,0,.35);
  color:#f0e0c0;}
#thBtn.th-btn.off{filter:grayscale(.6);opacity:.75;}
#thBtn.th-btn.on{background:
  conic-gradient(from 0deg,#b06040,#c88058 25%,#a06850 50%,#c88058 75%,#b06040);
  color:#fff0dc;box-shadow:inset 0 1px 1px rgba(255,255,255,.25),0 0 10px rgba(196,30,30,.25);}
#thBtn.th-btn:hover{animation:coinSpin .45s cubic-bezier(.34,1.56,.64,1);border-color:rgba(232,200,106,.85);}
body.light-mode #thBtn.th-btn{background:
  conic-gradient(from 0deg,#c8b898,#d8c8a8 25%,#b8c8a8 50%,#d8c8a8 75%,#c8b898);
  color:#4a3a28;border-color:rgba(140,110,60,.5);}
body.light-mode #thBtn.th-btn.on{background:
  conic-gradient(from 0deg,#c87058,#d89070 25%,#b87860 50%,#d89070 75%,#c87058);
  color:#fff0e0;}
body.light-mode .th-card-entry .th-btn{background:
  repeating-linear-gradient(92deg,rgba(120,80,40,.05) 0 1px,transparent 1px 5px),
  linear-gradient(180deg,#d8bc94,#c4a47c 60%,#b09068);
  color:#4a3420;border-color:rgba(140,100,60,.5);}
body.light-mode .th-card-entry .th-btn.off{background:
  repeating-linear-gradient(92deg,rgba(120,90,60,.04) 0 1px,transparent 1px 5px),
  linear-gradient(180deg,#e0d4bc,#d0c0a4 60%,#c0ac90);
  color:#8f7d63;border:1px dashed rgba(176,37,37,.35);}
body.light-mode .th-card-entry .th-btn.on{background:
  repeating-linear-gradient(92deg,rgba(255,255,255,.1) 0 1px,transparent 1px 5px),
  linear-gradient(180deg,#c87a6a,#a85a48 60%,#8a4638);
  color:#fff8ec;}
body.light-mode .th-seal{background:
  repeating-linear-gradient(180deg,rgba(176,37,37,.05) 0 2px,transparent 2px 4px),
  linear-gradient(160deg,#e0c488,#c8a860 70%,#b89850);}

/* ---- 全屏模态 ---- */
.th-overlay{position:fixed;inset:0;z-index:98000;display:none;align-items:center;justify-content:center;
  background:radial-gradient(ellipse at center,rgba(8,3,3,.97),rgba(4,1,1,.99));
  flex-direction:column;padding:24px;}
.th-overlay.open{display:flex;animation:thFadeIn .3s ease;}
@keyframes thFadeIn{from{opacity:0;}to{opacity:1;}}

/* ---- 舞台 16:9 ---- */
.th-stage{position:relative;width:min(92vw,1280px);aspect-ratio:16/9;overflow:hidden;border-radius:10px;
  border:1px solid rgba(212,168,75,.4);
  box-shadow:0 0 60px rgba(196,30,30,.22),inset 0 0 80px rgba(0,0,0,.5);
  background:#050202;}
.th-stage::before{content:'';position:absolute;inset:0;z-index:5;pointer-events:none;
  background:
    radial-gradient(ellipse at center,transparent 55%,rgba(0,0,0,.35) 100%),
    linear-gradient(180deg,rgba(0,0,0,.18),transparent 20%,transparent 80%,rgba(0,0,0,.3));}
.th-slide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;
  transition:opacity 1.1s ease;z-index:1;}
.th-slide.active{opacity:1;z-index:2;}
.th-slide img{width:100%;height:100%;object-fit:cover;will-change:transform;
  animation:thKenBurns 14s ease-out forwards;}
.th-slide.climax img{animation-duration:26s;}
.th-slide.portrait img{object-fit:contain;background:#000;}
@keyframes thKenBurns{from{transform:scale(1.02) translate(0,0);}to{transform:scale(1.14) translate(-1.2%,-1%);}}
@media (prefers-reduced-motion:reduce){.th-slide img{animation:none;}}

/* ---- 高潮演出叠加: 红绸飘动 / 蝶群 ---- */
.th-climax-fx{position:absolute;inset:0;z-index:6;pointer-events:none;opacity:0;transition:opacity .8s;}
.th-slide.active.climax ~ .th-climax-fx,
.th-stage.climaxing .th-climax-fx{opacity:1;}
.th-climax-fx .fx-silk{position:absolute;top:-10%;left:-20%;width:140%;height:40%;
  background:linear-gradient(180deg,rgba(196,30,30,.28),rgba(196,30,30,.06));
  transform:rotate(-6deg);animation:thSilk 7s ease-in-out infinite;}
.th-climax-fx .fx-silk2{position:absolute;bottom:-14%;left:-20%;width:140%;height:34%;
  background:linear-gradient(0deg,rgba(196,30,30,.2),rgba(196,30,30,.04));
  transform:rotate(5deg);animation:thSilk 9s ease-in-out infinite reverse;}
@keyframes thSilk{0%,100%{transform:rotate(-6deg) translateX(-2%);}50%{transform:rotate(-4deg) translateX(2%);}}
.th-butterfly{position:absolute;z-index:7;width:26px;height:26px;pointer-events:none;opacity:0;}
.th-butterfly.flap{opacity:1;}
.th-butterfly::before,.th-butterfly::after{content:'';position:absolute;top:50%;width:12px;height:16px;
  background:radial-gradient(circle at 30% 30%,#f0d488,#c41e1e 70%);
  border:1px solid rgba(120,20,20,.5);border-radius:60% 40% 60% 40%;}
.th-butterfly::before{left:1px;transform-origin:right center;animation:thWingL .5s ease-in-out infinite alternate;}
.th-butterfly::after{right:1px;transform-origin:left center;animation:thWingR .5s ease-in-out infinite alternate;}
@keyframes thWingL{from{transform:rotateY(0deg);}to{transform:rotateY(60deg);}}
@keyframes thWingR{from{transform:rotateY(0deg);}to{transform:rotateY(-60deg);}}
.th-butterfly.b1{animation:thFly1 9s ease-in-out infinite;}
.th-butterfly.b2{animation:thFly2 11s ease-in-out infinite .8s;}
@keyframes thFly1{0%{left:22%;top:78%;}30%{left:38%;top:48%;}60%{left:60%;top:60%;}100%{left:76%;top:30%;}}
@keyframes thFly2{0%{left:70%;top:80%;}35%{left:54%;top:52%;}70%{left:40%;top:38%;}100%{left:26%;top:24%;}}

/* ---- 字幕条: 绢帛 ---- */
.th-caption{position:absolute;left:50%;bottom:7%;transform:translateX(-50%);z-index:8;
  max-width:86%;padding:12px 26px;text-align:center;
  background:
    repeating-linear-gradient(90deg,rgba(212,168,75,.05) 0 4px,transparent 4px 9px),
    linear-gradient(180deg,rgba(20,8,4,.82),rgba(30,12,6,.78));
  border:1px solid rgba(212,168,75,.35);border-radius:8px;
  box-shadow:0 4px 18px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,235,200,.12);
  font-family:"Noto Serif SC","STSong",serif;font-size:1.05rem;line-height:1.8;color:#f0e0c8;
  text-shadow:0 1px 3px rgba(0,0,0,.8);min-height:2.2em;}
.th-caption .th-cn-char{display:inline-block;opacity:0;animation:thCharIn .08s ease forwards;}
@keyframes thCharIn{from{opacity:0;transform:translateY(3px);}to{opacity:1;transform:translateY(0);}}
.th-caption.climax{background:
  repeating-linear-gradient(90deg,rgba(196,30,30,.06) 0 4px,transparent 4px 9px),
  linear-gradient(180deg,rgba(40,6,4,.9),rgba(60,10,6,.85));
  border-color:rgba(196,30,30,.6);
  box-shadow:0 4px 24px rgba(196,30,30,.25),inset 0 1px 0 rgba(255,200,180,.15);
  font-size:1.35rem;color:#f8d8c8;letter-spacing:.12em;}

/* ---- 章节标签 ---- */
.th-chapter{position:absolute;top:4%;left:50%;transform:translateX(-50%);z-index:8;
  font-size:.72rem;letter-spacing:.3em;color:#d4a84b;opacity:.85;
  font-family:"Noto Serif SC",serif;text-shadow:0 1px 4px rgba(0,0,0,.8);}

/* ---- 顶部标题 + 关闭 ---- */
.th-head{width:min(92vw,1280px);display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.th-title{font-family:"Noto Serif SC",serif;font-size:1.05rem;color:#d4a84b;letter-spacing:.2em;
  text-shadow:0 0 14px rgba(212,168,75,.3);}
.th-close{width:40px;height:40px;border-radius:50%;cursor:pointer;background:rgba(20,8,4,.7);
  border:1px solid rgba(212,168,75,.5);color:#d4a84b;font-size:1.05rem;transition:all .25s;}
.th-close:hover{background:rgba(196,30,30,.6);color:#fff;transform:rotate(90deg);}

/* ---- 红烛进度 ---- */
.th-candles{display:flex;gap:9px;margin-top:14px;align-items:center;justify-content:center;}
.th-candle{width:10px;height:22px;border-radius:3px 3px 1px 1px;position:relative;transition:all .4s;
  background:linear-gradient(180deg,#5e4030,#3e2818);box-shadow:inset -2px 0 3px rgba(0,0,0,.5);}
.th-candle.lit{background:linear-gradient(180deg,#d45757,#8a1a1a);
  box-shadow:inset -2px 0 3px rgba(0,0,0,.4),0 0 10px rgba(255,140,60,.35);}
.th-candle.lit::after{content:'';position:absolute;top:-7px;left:50%;transform:translateX(-50%);
  width:7px;height:9px;border-radius:50% 50% 50% 50%/65% 65% 35% 35%;
  background:radial-gradient(circle at 50% 70%,#fff3c0,#ff9a40 65%,rgba(255,90,20,0));
  animation:thEmber 1.2s ease-in-out infinite;}
@keyframes thEmber{0%,100%{transform:translateX(-50%) scale(1);}50%{transform:translateX(-50%) scale(.8);}}
.th-candle.done{transform:scale(1.25);}

/* ---- 控制条 ---- */
.th-controls{display:flex;align-items:center;gap:10px;margin-top:16px;}
.th-btn2{min-width:44px;height:38px;border-radius:8px;cursor:pointer;background:rgba(20,8,4,.7);
  border:1px solid rgba(212,168,75,.45);color:#d4a84b;font-size:.95rem;transition:all .2s;
  display:flex;align-items:center;justify-content:center;padding:0 12px;font-family:inherit;}
.th-btn2:hover{border-color:#e8c86a;box-shadow:0 0 12px rgba(212,168,75,.3);transform:translateY(-1px);}
.th-btn2:disabled{opacity:.35;cursor:not-allowed;transform:none;box-shadow:none;}
.th-vol{width:90px;height:4px;accent-color:#d4a84b;cursor:pointer;}
.th-volbtn{background:none;border:none;color:#d4a84b;font-size:1rem;cursor:pointer;}
.th-hint{font-size:.66rem;color:#6a5a4a;letter-spacing:.08em;margin-top:10px;}

/* ---- 尾声: 结语帧 + 蝴蝶 ---- */
.th-ending{position:absolute;inset:0;z-index:9;display:none;align-items:center;justify-content:center;
  flex-direction:column;text-align:center;padding:30px;
  background:radial-gradient(ellipse at center,rgba(10,4,4,.94),rgba(4,1,1,.98));}
.th-ending.show{display:flex;animation:thFadeIn .8s ease;}
.th-ending .th-bless{font-family:"Noto Serif SC",serif;font-size:1.5rem;line-height:2.2;color:#e8c86a;
  text-shadow:0 0 20px rgba(212,168,75,.35);letter-spacing:.15em;}
.th-ending .th-bless small{display:block;font-size:.85rem;color:#9a8a6a;letter-spacing:.2em;margin-top:12px;}
.th-ending .th-butterfly{position:relative;animation:none;opacity:1;margin-top:30px;}
.th-ending .th-butterfly.b1{animation:thRise1 5s ease-in-out infinite;}
.th-ending .th-butterfly.b2{animation:thRise2 6s ease-in-out infinite .6s;}
@keyframes thRise1{0%{transform:translate(0,0);}50%{transform:translate(30px,-26px);}100%{transform:translate(0,0);}}
@keyframes thRise2{0%{transform:translate(0,0);}50%{transform:translate(-26px,-34px);}100%{transform:translate(0,0);}}
.th-replay{margin-top:34px;padding:12px 34px;border-radius:10px;cursor:pointer;
  background:linear-gradient(180deg,#9a1f1f,#7e1212);color:#f8e8c8;font-size:.95rem;font-family:inherit;
  border:1px solid rgba(212,168,75,.6);letter-spacing:.2em;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 3px 12px rgba(196,30,30,.35);
  transition:all .25s;}
.th-replay:hover{transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 0 20px rgba(212,168,75,.4);}

/* ---- 锁闭提示 toast ---- */
.th-toast{position:fixed;top:18%;left:50%;transform:translateX(-50%) translateY(-8px);z-index:99000;
  background:rgba(20,6,4,.95);border:1px solid rgba(212,168,75,.5);border-radius:10px;
  padding:14px 26px;color:#e8d5c4;font-size:.9rem;box-shadow:0 8px 30px rgba(0,0,0,.6);
  opacity:0;pointer-events:none;transition:all .35s;font-family:var(--font-body,system-ui);}
.th-toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ---- 浅色模式 ---- */
body.light-mode .th-btn.on{background:linear-gradient(180deg,#c87a6a,#a85a48);color:#fff8ec;}
/* B4: 入口锁闭态 → 米白纸底 + 虚线朱砂框 (黄纸朱砂印刷风) */
body.light-mode .th-btn.off{background:rgba(255,253,247,.75);color:#8f7d63;border:1px dashed rgba(176,37,37,.4);}
body.light-mode .th-btn.off:hover{background:rgba(255,250,240,.9);border-color:rgba(176,37,37,.6);}
body.light-mode .th-btn.pending{background:rgba(240,228,200,.6);color:#a88548;border:1px dotted rgba(176,37,37,.35);}
/* 剧场保持黑幕影院效果 (浅色下不改 overlay 背景) */
body.light-mode .th-title{color:#d4a84b;text-shadow:0 0 14px rgba(212,168,75,.3);}
body.light-mode .th-caption{background:
  repeating-linear-gradient(90deg,rgba(212,168,75,.05) 0 4px,transparent 4px 9px),
  linear-gradient(180deg,rgba(20,8,4,.85),rgba(30,12,6,.8));
  border-color:rgba(212,168,75,.35);color:#f0e0c8;text-shadow:0 1px 3px rgba(0,0,0,.8);}
body.light-mode .th-caption.climax{color:#f8d8c8;border-color:rgba(196,30,30,.6);}
body.light-mode .th-close,body.light-mode .th-btn2{background:rgba(20,8,4,.7);color:#d4a84b;border-color:rgba(212,168,75,.45);}
body.light-mode .th-close:hover{background:rgba(196,30,30,.6);color:#fff;}
body.light-mode .th-btn2:hover{border-color:#e8c86a;box-shadow:0 0 12px rgba(212,168,75,.3);}
body.light-mode .th-chapter{color:#d4a84b;opacity:.85;}
body.light-mode .th-hint{color:#6a5a4a;}
/* 第四节: 剧场红烛 — 未点亮白烛描红线, 点亮朱红 */
body.light-mode .th-candle{background:linear-gradient(180deg,#f2e8d2,#d8c4a0);
  border:1px solid rgba(176,37,37,.45);}
body.light-mode .th-candle.lit{background:linear-gradient(180deg,#d45757,#8a1a1a);
  border-color:rgba(176,37,37,.6);box-shadow:0 0 10px rgba(255,140,60,.3);}
/* 浅色: 控制条/toast 用纸底 */
body.light-mode .th-toast{background:rgba(255,253,247,.96);border-color:rgba(154,116,38,.5);color:#5a4630;
  box-shadow:0 8px 30px rgba(120,80,40,.25);}
body.light-mode .th-volbtn{color:#9a7426;}
body.light-mode .th-replay{background:linear-gradient(180deg,#c87a6a,#a85a48);color:#fff8ec;}
body.light-mode .th-ending{background:radial-gradient(ellipse at center,rgba(8,3,3,.97),rgba(4,1,1,.99));}
body.light-mode .th-ending .th-bless{color:#e8c86a;text-shadow:0 0 20px rgba(212,168,75,.35);}
body.light-mode .th-ending .th-bless small{color:#9a8a6a;}

/* 氛围关闭时保留放映功能，只撤去红绸、蝶群等装饰演出 */
body.no-ambient .th-climax-fx,body.no-ambient .th-butterfly{display:none !important;}

/* 减少动态：所有循环/转场停用，字幕直接显字，控制仍可完整使用 */
@media (prefers-reduced-motion:reduce){
  .th-overlay.open,.th-slide,.th-slide img,.th-climax-fx .fx-silk,.th-climax-fx .fx-silk2,
  .th-butterfly,.th-butterfly::before,.th-butterfly::after,.th-caption .th-cn-char,
  .th-candle.lit::after,.th-ending.show,.th-ending .th-butterfly,.th-card-entry .th-btn.on,
  #thBtn.th-btn:hover{animation:none !important;transition:none !important;}
  .th-caption .th-cn-char{opacity:1 !important;transform:none !important;}
}

/* ---- 移动端 ---- */
@media (max-width:760px){
  .th-stage{width:96vw;}
  .th-caption{font-size:.85rem;padding:8px 14px;max-width:92%;}
  .th-caption.climax{font-size:1.05rem;}
  .th-ending .th-bless{font-size:1.1rem;}
  .th-vol{width:60px;}
}