/* 未知的专属宇宙 · v4 — 一个场景 + 两个浮层，无外部字体 / 图片 / 依赖 */
:root{
  --ink:#f0f3ff; --ink-soft:#b7c1e6; --ink-faint:#8893bd;
  --line:rgba(180,196,255,.14); --line-strong:rgba(180,196,255,.30);
  --panel-solid:#0d1230; --card:rgba(255,255,255,.052); --card-hover:rgba(255,255,255,.095);
  --warm:#ffd9a8; --warm-soft:rgba(255,217,168,.15); --cool:#a9c6ff;
  --shadow:0 24px 70px rgba(0,0,0,.55); --ease:cubic-bezier(.22,.8,.32,1);
  --safe-b:env(safe-area-inset-bottom,0px); --safe-t:env(safe-area-inset-top,0px);
}
body[data-mode="day"]{
  --ink:#2b3350; --ink-soft:#4f5b7e; --ink-faint:#727d9c;
  --line:rgba(56,72,116,.16); --line-strong:rgba(56,72,116,.28);
  --panel-solid:#f3f6fc; --card:rgba(58,78,132,.052); --card-hover:rgba(58,78,132,.10);
  --warm:#c8814a; --warm-soft:rgba(200,129,74,.13); --cool:#4d72b8; --shadow:0 24px 70px rgba(40,54,92,.22);
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none !important}
html,body{height:100%;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:#070a1c;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.75;overflow:hidden;overscroll-behavior:none;-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;transition:color .6s var(--ease)}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;-webkit-appearance:none;appearance:none}
button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--warm);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
canvas{position:fixed;inset:0;width:100%;height:100%;display:block}
#sky{z-index:0;touch-action:none}
#planet3d{z-index:1;pointer-events:none}
#introCanvas{z-index:6;pointer-events:none}
#fx{z-index:11;pointer-events:none}

/* 开场 */
.intro{position:fixed;inset:0;z-index:7;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:calc(28px + var(--safe-t)) 24px calc(28px + var(--safe-b));text-align:center;transition:opacity .7s var(--ease),visibility .7s}
.intro.is-gone{opacity:0;visibility:hidden;pointer-events:none}
.intro__copy{animation:rise 1.4s .25s var(--ease)}
.intro__eyebrow{margin:0 0 18px;font-size:12px;letter-spacing:.42em;text-indent:.42em;color:#c3cbea}
.intro__title{margin:0;font-family:"Songti SC","STSong","Noto Serif SC","SimSun",serif;font-weight:400;font-size:clamp(30px,8.4vw,54px);letter-spacing:.14em;text-indent:.14em;line-height:1.35;color:#f2f5ff;text-shadow:0 0 38px rgba(180,200,255,.5),0 2px 20px rgba(0,0,0,.5)}
.intro__sub{margin:14px 0 0;font-size:13px;letter-spacing:.24em;text-indent:.24em;color:#c3cbea}
/* 开场不提供跳过：只有文案，动画自然播完 */
.intro__tip{position:absolute;bottom:calc(22px + var(--safe-b));margin:0;font-size:11px;letter-spacing:.16em;color:#9aa5cd;animation:rise 1.4s 1.1s var(--ease)}
@keyframes rise{from{transform:translateY(16px)}to{transform:none}}

/* 主场景：只有 HUD、一句提示、一个「写一句」 */
.world{position:fixed;inset:0;z-index:3;pointer-events:none}
.hud{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:calc(14px + var(--safe-t)) calc(16px + env(safe-area-inset-right,0px)) 0 calc(16px + env(safe-area-inset-left,0px));pointer-events:none}
.hud__brand{display:flex;align-items:center;gap:9px;font-family:"Songti SC","STSong","Noto Serif SC",serif;font-size:14px;letter-spacing:.16em;color:var(--ink-soft);text-shadow:0 2px 14px rgba(0,0,0,.4)}
.hud__dot{width:7px;height:7px;border-radius:50%;background:var(--warm);box-shadow:0 0 12px 3px var(--warm-soft);animation:breathe 4s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.55;transform:scale(.85)}50%{opacity:1;transform:scale(1.15)}}
.hud__right{pointer-events:auto;display:flex;align-items:center;gap:8px}
.day-count{min-height:40px;padding:0 15px;border-radius:999px;font-size:11.5px;letter-spacing:.14em;color:var(--ink-soft);background:rgba(120,140,200,.10);border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:background .25s,color .25s,transform .2s var(--ease)}
.day-count:hover{background:rgba(160,180,240,.18);color:var(--ink)}
.day-count:active{transform:scale(.94)}
.icon-btn{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;color:var(--ink-soft);background:rgba(120,140,200,.10);border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:background .25s,color .25s,transform .25s var(--ease)}
.icon-btn:hover{background:rgba(160,180,240,.19);color:var(--ink)}
.icon-btn:active{transform:scale(.92)}
.whisper{position:absolute;left:0;right:0;bottom:calc(138px + var(--safe-b));margin:0;text-align:center;font-size:11.5px;letter-spacing:.22em;text-indent:.22em;color:var(--ink-faint);transition:opacity 1.4s;animation:breathe 5s ease-in-out infinite}
.growth-line{position:absolute;left:0;right:0;bottom:calc(112px + var(--safe-b));margin:0;text-align:center;font-size:10.5px;letter-spacing:.18em;color:var(--ink-faint);opacity:.72;font-family:"Songti SC","STSong",serif}
.fab-row{position:absolute;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(26px + var(--safe-b));display:flex;align-items:center;gap:9px;pointer-events:auto}
.fab{display:flex;align-items:center;gap:9px;min-height:54px;padding:0 21px;border-radius:999px;background:linear-gradient(135deg,rgba(255,232,198,.96),rgba(255,203,160,.88));color:#2a2440;font-size:13px;font-weight:600;letter-spacing:.1em;box-shadow:0 10px 34px rgba(255,208,160,.30),inset 0 1px 0 rgba(255,255,255,.65);transition:transform .25s var(--ease),box-shadow .3s}
.fab:hover{box-shadow:0 12px 42px rgba(255,208,160,.44)}
.fab:active{transform:scale(.95)}
.fab--pick{background:rgba(16,24,56,.72);border:1px solid var(--line-strong);color:var(--ink);font-weight:400;box-shadow:0 8px 28px rgba(0,0,0,.32),inset 0 1px 0 rgba(255,255,255,.07);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.fab--pick:hover{box-shadow:0 10px 34px rgba(120,160,255,.22)}
.fab--pick svg{color:var(--cool)}

/* 浮层 */
.sheet-root{position:fixed;inset:0;z-index:10}
.sheet__mask{position:absolute;inset:0;background:rgba(4,7,20,.68)}
.sheet{position:absolute;left:0;right:0;bottom:0;max-height:min(88dvh,88vh);display:flex;flex-direction:column;background:var(--panel-solid);border-top:1px solid var(--line-strong);border-radius:26px 26px 0 0;box-shadow:var(--shadow);animation:sheetUp .48s var(--ease)}
@keyframes sheetUp{from{transform:translateY(34px)}to{transform:none}}
.sheet__grab{width:38px;height:4px;border-radius:9px;background:var(--line-strong);margin:10px auto 0;flex:none}
.sheet__head{flex:none;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:16px 20px 12px;border-bottom:1px solid var(--line)}
.sheet__titles{min-width:0}
.sheet__head h2{margin:0;font-family:"Songti SC","STSong","Noto Serif SC",serif;font-weight:400;font-size:21px;letter-spacing:.1em;line-height:1.4}
.sheet__head p{margin:5px 0 0;font-size:12px;line-height:1.6;color:var(--ink-soft)}
.sheet__head .icon-btn{flex:none;width:40px;height:40px}
.sheet__body{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:18px 20px calc(24px + var(--safe-b));scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}
.sheet__body::-webkit-scrollbar{width:5px}
.sheet__body::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:9px}
@media (min-width:720px){
  .sheet{left:50%;right:auto;bottom:auto;top:50%;width:min(580px,92vw);max-height:min(80vh,760px);transform:translate(-50%,-50%);border-radius:24px;border:1px solid var(--line-strong);animation:sheetPop .42s var(--ease)}
  @keyframes sheetPop{from{transform:translate(-50%,-48%) scale(.97)}to{transform:translate(-50%,-50%) scale(1)}}
  .sheet__grab{display:none}.sheet__body{padding-bottom:24px}
}

/* 浮层内组件 */
.poem{margin:0 0 18px;font-family:"Songti SC","STSong","Noto Serif SC",serif;font-size:14px;line-height:2.1;letter-spacing:.05em;color:var(--ink-soft);text-align:center;padding:4px 6px}
.poem em{font-style:normal;color:var(--ink)}
.note{margin:0 0 18px;padding:13px 15px;border-radius:14px;background:var(--card);border:1px solid var(--line);font-size:12.5px;line-height:1.9;color:var(--ink-soft)}
.note strong{color:var(--ink);font-weight:500}
.quiet{font-size:11.5px;line-height:1.9;color:var(--ink-faint);text-align:center;margin:0 0 16px;letter-spacing:.05em}
.empty{padding:34px 16px;text-align:center;color:var(--ink-faint);font-family:"Songti SC","STSong","Noto Serif SC",serif;font-size:14px;line-height:2.1}
.empty::before{content:"";display:block;width:34px;height:34px;margin:0 auto 14px;border-radius:50%;background:radial-gradient(circle,var(--warm-soft),transparent 70%);box-shadow:0 0 22px var(--warm-soft)}
.form{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.input,.textarea{width:100%;border:1px solid var(--line-strong);border-radius:14px;background:var(--card);padding:13px 15px;font-size:16px;line-height:1.6;resize:none;transition:border-color .25s,background .25s}
.input::placeholder,.textarea::placeholder{color:var(--ink-faint);opacity:.8}
.input:focus,.textarea:focus{border-color:var(--warm);background:var(--card-hover);outline:none}
.textarea{min-height:96px}
.form__row{display:flex;gap:9px;align-items:center}
.form__row .input{flex:1}
.btn-sm{flex:none;min-height:46px;padding:0 20px;border-radius:13px;font-size:13px;letter-spacing:.1em;background:var(--warm-soft);border:1px solid var(--line-strong);color:var(--ink);transition:background .25s,transform .2s var(--ease)}
.btn-sm:hover{background:var(--card-hover)}.btn-sm:active{transform:scale(.96)}
.btn-sm--solid{background:linear-gradient(135deg,rgba(255,224,184,.92),rgba(255,205,164,.84));color:#2a2440;border-color:transparent;font-weight:600}
body[data-mode="day"] .btn-sm--solid{background:linear-gradient(135deg,#b87645,#d0955e);color:#fff}
.list{display:flex;flex-direction:column;gap:11px}
.item{position:relative;padding:15px 16px;border-radius:16px;background:var(--card);border:1px solid var(--line);animation:rise .4s var(--ease)}
.item__star{position:absolute;left:16px;top:19px;width:7px;height:7px;border-radius:50%;background:var(--warm);box-shadow:0 0 12px 3px var(--warm-soft)}
.item__text{margin:0 0 6px;padding-left:18px;font-family:"Songti SC","STSong","Noto Serif SC",serif;font-size:15px;line-height:1.9;word-break:break-word;white-space:pre-wrap}
.item__meta{margin:0 0 10px;padding-left:18px;font-size:11px;color:var(--ink-faint)}
.item__acts{display:flex;flex-wrap:wrap;gap:7px;padding-left:18px}
.item__edit{margin:8px 0 10px;padding-left:18px;display:flex;flex-direction:column;gap:8px}
.item__edit .textarea{min-height:70px;font-size:16px}
.act{min-height:34px;padding:0 13px;border-radius:10px;font-size:12px;color:var(--ink-soft);background:rgba(140,160,220,.09);border:1px solid var(--line);transition:background .2s,color .2s,transform .2s var(--ease)}
.act:hover{background:var(--card-hover);color:var(--ink)}.act:active{transform:scale(.94)}
.act--warm{color:var(--warm);border-color:var(--warm-soft)}
.act--danger{color:#e79a9a}.act--on{background:var(--warm-soft);color:var(--ink);border-color:var(--warm-soft)}
.folded .item__text{opacity:.62}
.section-title{display:flex;align-items:center;gap:10px;margin:24px 0 12px;font-size:12px;letter-spacing:.2em;color:var(--ink-faint)}
.section-title::after{content:"";flex:1;height:1px;background:var(--line)}
.foot-link{display:block;margin:26px auto 0;padding:8px;font-size:11.5px;color:var(--ink-faint);text-decoration:underline;text-underline-offset:4px;text-align:center}
.privacy{margin:22px 0 0;font-size:11px;line-height:1.8;color:var(--ink-faint);text-align:center;opacity:.9}
.choice-row{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0 0}
.choice-row .act{min-height:32px;padding:0 11px;font-size:11.5px}
.chip{display:inline-block;padding:1px 8px;border-radius:999px;font-size:10px;letter-spacing:.08em;background:var(--warm-soft);border:1px solid var(--line);color:var(--warm);margin-right:5px}
.echo{margin:10px 0 0;padding:10px 12px 10px 14px;border-left:2px solid var(--line-strong);background:rgba(140,160,220,.055);border-radius:0 10px 10px 0}
.echo p{margin:0 0 6px;font-size:11px;color:var(--ink-faint);letter-spacing:.1em}
.echo q{display:block;font-family:"Songti SC","STSong",serif;font-size:13px;line-height:1.8;color:var(--ink-soft);quotes:none;word-break:break-word}
.return-at{margin:8px 0 0;padding-left:18px;font-size:11.5px;color:var(--warm)}
.timeline{margin:10px 0 0;padding:10px 0 0 18px;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:9px}
.tl{position:relative;padding-left:14px;font-size:12.5px;line-height:1.75;color:var(--ink-soft);word-break:break-word}
.tl::before{content:"";position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--line-strong)}
.tl time{display:block;font-size:10.5px;color:var(--ink-faint)}
.tl--first::before{background:var(--warm);box-shadow:0 0 8px var(--warm)}
.star-quote{margin:2px 0 14px;padding:20px 18px;border-radius:18px;background:var(--card);border:1px solid var(--line);font-family:"Songti SC","STSong",serif;font-size:19px;line-height:2;letter-spacing:.04em;text-align:center;word-break:break-word;white-space:pre-wrap}
.scope-row{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin:2px 0 4px}
.scope{min-height:62px;padding:10px 12px;border-radius:14px;text-align:left;background:var(--card);border:1px solid var(--line);transition:background .25s,border-color .25s,transform .2s var(--ease)}
.scope b{display:block;font-size:13px;font-weight:500;color:var(--ink)}
.scope span{display:block;font-size:10.5px;line-height:1.6;color:var(--ink-faint);margin-top:2px}
.scope.is-on{background:var(--warm-soft);border-color:var(--warm-soft)}
.scope:active{transform:scale(.97)}

.moment-hero{text-align:center;padding:8px 0 18px}
.moment-ring{width:96px;height:96px;margin:0 auto 16px;border-radius:50%;background:radial-gradient(circle,rgba(255,217,168,.20),rgba(255,217,168,.02) 60%,transparent 72%);border:1px solid var(--warm-soft);box-shadow:0 0 38px rgba(255,217,168,.12),inset 0 0 24px rgba(255,217,168,.10);animation:ringBreath 6s ease-in-out infinite}
.moment-ring::after{content:"";position:absolute;inset:26px;border-radius:50%;background:radial-gradient(circle,rgba(255,240,214,.55),transparent 70%)}
@keyframes ringBreath{0%,100%{transform:scale(.94);opacity:.75}50%{transform:scale(1.06);opacity:1}}
.moment-count{font-family:"Songti SC","STSong",serif;font-size:24px;letter-spacing:.12em;margin:0 0 4px}
.moment-stage{margin:0;font-size:12px;letter-spacing:.22em;color:var(--warm)}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin:4px 0 18px}
.fact{padding:12px 13px;border-radius:14px;background:var(--card);border:1px solid var(--line)}
.fact b{display:block;font-family:"Songti SC","STSong",serif;font-size:20px;font-weight:400;line-height:1.3;color:var(--ink)}
.fact span{font-size:11px;color:var(--ink-faint)}
/* 静观功能已移除 */
.stones{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin:6px 0 18px}
.stone{min-height:100px;border-radius:18px;background:linear-gradient(160deg,rgba(150,165,215,.16),rgba(90,105,165,.10));border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;font-size:12px;color:var(--ink-soft);transition:transform .3s var(--ease),background .3s}
.stone:active{transform:scale(.95)}.stone:hover{background:var(--card-hover)}
.stone__shape{width:48px;height:34px;border-radius:48% 52% 42% 58% / 62% 58% 42% 38%;background:linear-gradient(145deg,rgba(190,200,235,.5),rgba(105,120,175,.35));box-shadow:inset -5px -6px 12px rgba(0,0,0,.22),0 6px 16px rgba(0,0,0,.18);transform:rotate(-8deg)}
.stone--found .stone__shape{transform:rotate(-8deg) translateY(-5px) scale(.86);opacity:.55}
.stone--found{box-shadow:inset 0 0 24px var(--warm-soft)}
.stone__name{font-size:11px;color:var(--ink-faint)}
.creature{margin:0 0 16px;padding:18px;border-radius:18px;text-align:center;background:var(--warm-soft);border:1px solid var(--line-strong);animation:rise .5s var(--ease)}
.creature__art{width:92px;height:92px;display:block;margin:0 auto 8px}
.creature__name{font-family:"Songti SC","STSong",serif;font-size:17px;letter-spacing:.14em;margin:0 0 6px}
.creature__word{margin:0;font-size:12.5px;line-height:1.95;color:var(--ink-soft)}
.trace{display:flex;flex-direction:column;gap:8px}
.trace-row{display:flex;align-items:center;gap:10px;padding:10px 13px;border-radius:12px;background:var(--card);border:1px solid var(--line);font-size:12px}
.trace-row b{font-weight:400;color:var(--ink)}
.trace-row span{flex:1;color:var(--ink-faint);font-size:11px;text-align:right}
.trace-row.is-locked{opacity:.4}
.vault-key{margin:14px 0 4px;padding:16px;border-radius:18px;background:var(--warm-soft);border:1px solid var(--line-strong);text-align:center}
.vault-key__title{margin:0 0 10px;font-size:12px;letter-spacing:.12em;color:var(--ink)}
.vault-key code{display:block;word-break:normal;overflow-wrap:break-word;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;letter-spacing:0;line-height:1.8;color:var(--ink);background:rgba(0,0,0,.20);border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px;user-select:all;-webkit-user-select:all}
body[data-mode="day"] .vault-key code{background:rgba(255,255,255,.72)}
.vault-key__warn{margin:10px 0 0;font-size:11.5px;line-height:1.8;color:#e7a06a}
.pick-hero{text-align:center;padding:6px 0 14px}
.pick-star{width:72px;height:72px;margin:0 auto 14px;border-radius:50%;background:radial-gradient(circle,rgba(168,200,255,.35),rgba(168,200,255,.04) 62%,transparent 72%);border:1px solid var(--line-strong);box-shadow:0 0 36px rgba(140,180,255,.20),inset 0 0 22px rgba(168,200,255,.12);animation:ringBreath 5s ease-in-out infinite}
.pick-quote{margin:0 0 14px;padding:20px 18px;border-radius:18px;background:var(--card);border:1px solid var(--line);font-family:"Songti SC","STSong",serif;font-size:18px;line-height:2;letter-spacing:.04em;text-align:center;word-break:break-word;white-space:pre-wrap}
.pick-meta{margin:0 0 16px;font-size:11px;letter-spacing:.08em;color:var(--ink-faint);text-align:center}
.pick-progress{display:flex;align-items:center;gap:10px;margin:0 0 18px}
.pick-progress__bar{flex:1;height:3px;border-radius:9px;background:var(--line);overflow:hidden}
.pick-progress__bar i{display:block;height:100%;background:linear-gradient(90deg,var(--cool),var(--warm))}
.pick-progress span{font-size:10.5px;color:var(--ink-faint);white-space:nowrap}

.toast{position:fixed;z-index:12;left:50%;bottom:calc(96px + var(--safe-b));transform:translate(-50%,12px);max-width:min(400px,calc(100% - 40px));padding:11px 20px;border-radius:999px;background:rgba(20,26,54,.94);border:1px solid var(--line-strong);color:var(--ink);font-size:12.5px;text-align:center;box-shadow:var(--shadow);backdrop-filter:blur(16px);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .35s,transform .35s var(--ease),visibility .35s}
body[data-mode="day"] .toast{background:rgba(248,249,253,.95);color:#2b3350}
.toast.is-on{opacity:1;visibility:visible;transform:translate(-50%,0)}
@media (max-height:560px){.intro__tip,.whisper,.growth-line{display:none}.fab-row{bottom:calc(14px + var(--safe-b))}}
@media (max-width:360px){.sheet__body{padding-left:15px;padding-right:15px}.sheet__head{padding-left:15px;padding-right:15px}.hud__brand{font-size:12px}.fab{padding:0 17px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}}

/* v5 · galaxy preview, preserving original application */
.galaxy-stage{position:fixed;left:50%;top:47%;width:min(1120px,96vw);height:min(850px,80vh);transform:translate(-50%,-50%);z-index:1;pointer-events:none;transition:opacity .7s}
.galaxy-stage canvas{position:absolute;width:100%;height:100%;inset:0}
body[data-phase="intro"] .galaxy-stage{opacity:0}
body[data-scene="planet"] .galaxy-stage{visibility:hidden;opacity:0}
body[data-scene="galaxy"] #planet3d{visibility:hidden}
.scene-tools{position:absolute;top:calc(74px + var(--safe-t));left:50%;transform:translateX(-50%);display:flex;gap:6px;pointer-events:auto;white-space:nowrap}
.scene-tools button{min-height:40px;padding:0 15px;color:var(--ink-soft);background:rgba(20,30,58,.58);border:1px solid var(--line);border-radius:999px;font-size:11px;backdrop-filter:blur(16px)}
.scene-tools button[aria-pressed="true"]{color:var(--warm);border-color:var(--warm)}
body[data-scene="planet"] #rotateBtn{display:none}
.scene-caption{position:absolute;left:20px;right:20px;bottom:calc(156px + var(--safe-b));text-align:center;font-family:"Songti SC","STSong",serif;font-size:clamp(17px,2vw,24px);letter-spacing:.18em;color:var(--ink);text-shadow:0 2px 16px #070a1c;}
body[data-mode="day"] .scene-tools button{background:#edf2f9dc}
body[data-mode="day"] .galaxy-stage{filter:brightness(.65) saturate(1.1)}
body[data-mode="day"] .scene-caption{text-shadow:0 1px 12px #fff}
@media(max-width:600px){.galaxy-stage{top:45%;width:100vw;height:63vh}.scene-tools{top:calc(70px + var(--safe-t))}.scene-tools button{padding:0 12px}.scene-caption{font-size:17px;bottom:calc(150px + var(--safe-b));letter-spacing:.08em}.sheet{max-height:85dvh}.sheet__body{overscroll-behavior:contain}textarea,input{font-size:16px}}
@media(max-height:560px){.galaxy-stage{top:49%;height:90vh;width:72vw}.scene-tools{left:20px;top:74px;transform:none;flex-direction:column}.scene-caption{display:none}.sheet{max-height:94dvh}}
@media(min-width:1200px){.hud{padding-left:48px;padding-right:48px}.galaxy-stage{height:80vh;width:min(1050px,82vw)}}

@media(max-width:600px){.act,.btn-sm{min-height:44px}.sheet{max-height:calc(var(--visible-height,100dvh) - 20px)}}
/* Depth layers: glass controls in front, volumetric orbit at mid-distance. */
.scene-tools button,.fab,.icon-btn{box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 8px 24px rgba(0,0,0,.2)}
.sheet{box-shadow:0 30px 100px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.15)}
.galaxy-stage{will-change:transform}
@media(prefers-reduced-motion:reduce){.galaxy-stage{will-change:auto}}
/* Review v6: one universe; separate functions; real content stars are explicit. */
#planet3d{display:none!important}.scene-tools{left:auto;right:24px;top:75px;transform:none}
.galaxy-stage{touch-action:none;will-change:auto}.galaxy-stage canvas{touch-action:none}
#contentStars{position:absolute;inset:0;pointer-events:none}
.content-star{position:absolute;pointer-events:auto;width:44px;height:44px;border:0;background:transparent;color:#ffe2a5;cursor:pointer;filter:drop-shadow(0 0 7px #ffcf74);touch-action:manipulation}
.content-star span{display:grid;place-items:center;margin:auto;width:22px;height:22px;border:1px solid #ffd68dcc;border-radius:50%;background:#232339c9;font-size:18px;box-shadow:0 0 18px #ffc56d77}
.content-star--public{color:#8be6ff;filter:drop-shadow(0 0 7px #5fcfff)}.content-star--public span{border-color:#93ddff;box-shadow:0 0 22px #69d8ff99}.content-star--draft span{border-style:dashed;color:#bbb}
.content-star:hover span,.content-star:focus-visible span{outline:2px solid white;transform:scale(1.2)}
.feature-nav{position:absolute;top:76px;left:24px;display:flex;gap:6px;pointer-events:auto;flex-wrap:wrap;max-width:70%}
.feature-nav button{font-size:11px;border:1px solid var(--line);border-radius:999px;background:rgba(20,30,58,.65);padding:10px 12px;min-height:40px;color:var(--ink)}
.record-row{display:block;width:100%;text-align:left;border:1px solid var(--line);background:var(--card);padding:14px;border-radius:14px;margin:10px 0;color:var(--ink);line-height:1.7;overflow-wrap:anywhere}.record-row b{display:block;font-weight:400}.record-row span{font-size:11px;color:var(--ink-soft)}
@media(max-width:600px){.feature-nav{left:14px;right:14px;top:70px;max-width:none;gap:5px}.feature-nav button{padding:8px 9px;min-height:40px}.scene-tools{right:16px;top:118px}.galaxy-stage{top:48%;height:59vh}.scene-caption{font-size:15px;bottom:145px}}
@media(max-height:560px){.feature-nav{top:68px;left:16px;max-width:70%;right:auto}.scene-tools{right:16px;top:68px}.galaxy-stage{height:80vh;top:53%}.scene-tools{flex-direction:row}}
body[data-mode="day"] .feature-nav button{background:#edf2f9dc}

/* v7: clearer luminous arms without washing out readable stars. */
.galaxy-stage canvas{filter:brightness(1.22) saturate(1.12)}
body[data-mode="day"] .galaxy-stage{filter:brightness(.85) saturate(1.15)}

/* Clean release interface: retain data labels/privacy/errors, remove decorative helper copy. */
#whisper,#growthLine{display:none!important}

.legal-links{position:fixed;left:18px;bottom:12px;display:flex;gap:15px;font-size:10px;pointer-events:auto}.legal-links a{color:var(--ink-soft);text-decoration:none;opacity:.65}.legal-links a:focus,.legal-links a:hover{opacity:1}

#contentStars.is-dense .content-star span{width:10px;height:10px;font-size:9px;box-shadow:0 0 8px #75c9ff66}#contentStars.is-dense .content-star{width:26px;height:26px;filter:none}#contentStars.is-dense .content-star:hover span,#contentStars.is-dense .content-star:focus-visible span{transform:scale(1.7)}

/* Content stars occupy the whole sky, not the central galaxy or outer rings. */
#contentStars{position:fixed;inset:0;z-index:3;pointer-events:none}
#contentStars .content-star,#contentStars.is-dense .content-star{width:44px;height:44px;filter:none;color:#d5eaff}
#contentStars .content-star span,#contentStars.is-dense .content-star span{width:16px;height:16px;font-size:14px;border:0;background:none;border-radius:0;box-shadow:none;text-shadow:0 0 7px #a8d4ff;animation:contentTwinkle var(--twinkle-time,5s) ease-in-out var(--twinkle-delay,0s) infinite}
#contentStars .content-star:hover span,#contentStars .content-star:focus-visible span{outline:none;animation-play-state:paused;opacity:1;transform:scale(1.5);text-shadow:0 0 10px #e9f5ff}
body[data-motion-paused="true"] #contentStars .content-star span{animation-play-state:paused}
body[data-phase="intro"] #contentStars{visibility:hidden}
@keyframes contentTwinkle{0%,100%{opacity:.16;transform:scale(.72);text-shadow:0 0 4px #8ec8ff}38%{opacity:1;transform:scale(1.28);text-shadow:0 0 16px #fff0c4,0 0 28px #7ec6ff}58%{opacity:.22;transform:scale(.78);text-shadow:0 0 5px #8ec8ff}78%{opacity:.92;transform:scale(1.16);text-shadow:0 0 12px #ffe9b8,0 0 22px #7ec6ff}}
@media(prefers-reduced-motion:reduce){#contentStars .content-star span{animation:none;opacity:.85}}
body[data-mode="day"] #contentStars .content-star{color:#536f99}

/* Independent random light envelopes; fixed star size prevents mechanical pulsing. */
#contentStars .content-star span,#contentStars.is-dense .content-star span{animation:none!important;transform:none;transition:none}
#contentStars .content-star:hover span,#contentStars .content-star:focus-visible span{opacity:1!important;transform:scale(1.25)}

/* Mobile: stronger nebula, brighter rings, larger stage, higher contrast. */
.galaxy-stage::before{
  content:"";position:absolute;inset:-14%;pointer-events:none;
  background:radial-gradient(ellipse 40% 26% at 50% 46%,rgba(92,158,255,.18),transparent 72%),
             radial-gradient(ellipse 26% 44% at 33% 43%,rgba(132,102,232,.14),transparent 70%),
             radial-gradient(ellipse 30% 40% at 69% 55%,rgba(64,186,236,.13),transparent 72%),
             radial-gradient(ellipse 62% 17% at 50% 50%,rgba(158,206,255,.09),transparent 76%);
  filter:blur(20px);opacity:.85;
  animation:nebulaDrift 48s ease-in-out infinite alternate;
}
@keyframes nebulaDrift{from{transform:rotate(-4deg) scale(1)}to{transform:rotate(5deg) scale(1.09)}}
@media(max-width:600px){
  .galaxy-stage{top:46%;height:72vh}
  .galaxy-stage::before{inset:-24%;filter:blur(16px);opacity:.42;
    background:radial-gradient(ellipse 30% 22% at 50% 47%,rgba(168,214,255,.10),transparent 70%),
               radial-gradient(ellipse 46% 30% at 50% 46%,rgba(104,172,255,.12),transparent 72%),
               radial-gradient(ellipse 28% 46% at 32% 42%,rgba(150,118,246,.07),transparent 70%),
               radial-gradient(ellipse 32% 42% at 70% 56%,rgba(72,200,246,.07),transparent 72%),
               radial-gradient(ellipse 66% 19% at 50% 50%,rgba(170,214,255,.06),transparent 76%);}
  .galaxy-stage canvas{filter:brightness(1.40) saturate(1.22) contrast(1.06)}
  body[data-mode="day"] .galaxy-stage canvas{filter:brightness(1.08) saturate(1.18) contrast(1.02)}
}
@media(prefers-reduced-motion:reduce){.galaxy-stage::before{animation:none}}
/* 闪动由每颗星独立的 JS 随机包络驱动，禁用 CSS 周期动画以免互相压制。 */
#contentStars .content-star span{animation:none!important}

/* 日间模式：摘星按钮改为浅色玻璃 + 深色文字，避免深底深字看不清。 */
body[data-mode="day"] .fab--pick{background:rgba(248,250,255,.88);border-color:rgba(56,72,116,.28);color:#2b3350;box-shadow:0 8px 26px rgba(40,54,92,.18),inset 0 1px 0 rgba(255,255,255,.9)}
body[data-mode="day"] .fab--pick svg{color:#4d72b8}
body[data-mode="day"] .fab--pick:hover{box-shadow:0 10px 32px rgba(40,54,92,.26)}