:root{
  --bg:#0e0d0b; --bg2:#161411; --bg3:#1e1a16;
  --ink:#e8e0d0; --ink-dim:#9a9081; --ink-faint:#5f584c;
  --gold:#c9a86a; --gold-dim:#8a744a;
  --red:#b5533c; --green:#7a9a6d; --blue:#6d8a9a;
  --line:#2b2620;
  --serif:"Songti SC","STSong","SimSun","Noto Serif CJK SC",serif;
  --sans:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"SF Mono",Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{min-height:100%;}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);min-height:100vh;min-height:100dvh;overflow:hidden}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-thumb{background:#3a332a;border-radius:3px}
::-webkit-scrollbar-track{background:transparent}
.screen{display:none;height:100vh;height:100dvh;min-height:0;overflow:hidden}
.screen.on{display:flex;flex-direction:column}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@keyframes blink{50%{opacity:0}}

/* ======== 粒子层（拦截遮蔽动效） ======== */
#particleLayer{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:60}
.pt{position:absolute;font-family:var(--serif);color:var(--gold);opacity:0;
  animation:floatUp var(--d,2.2s) ease-out forwards;font-size:var(--s,13px);
  text-shadow:0 0 8px rgba(201,168,106,.5);
  transition:filter .9s ease,font-size .9s ease,text-shadow .9s ease}
/* 化开：字号放大 + 重度高斯模糊，只剩光斑。只切 filter/字号/光晕，不重启动画 */
.pt.melt{filter:blur(9px);font-size:calc(var(--s,13px)*2.4);
  text-shadow:0 0 24px rgba(201,168,106,.9),0 0 60px rgba(201,168,106,.5)}
/* 余烬：阅读期新生光斑，出生即化开形态，峰值透明度更低 */
.pt.dust{animation-name:floatUpSoft}
@keyframes floatUp{
  0%{opacity:0;transform:translate(0,0) rotate(0deg) scale(.7)}
  12%{opacity:.9}
  100%{opacity:0;transform:translate(var(--dx,30px),var(--dy,-140px)) rotate(var(--r,40deg)) scale(1.15)}
}
@keyframes floatUpSoft{
  0%{opacity:0;transform:translate(0,0) rotate(0deg) scale(.7)}
  12%{opacity:.5}
  100%{opacity:0;transform:translate(var(--dx,30px),var(--dy,-140px)) rotate(var(--r,40deg)) scale(1.15)}
}

/* ======== 第一屏：开屏引导 ======== */
#splash{align-items:center;justify-content:flex-start;overflow-x:hidden;overflow-y:auto;padding:max(28px,env(safe-area-inset-top)) 0 max(36px,env(safe-area-inset-bottom));scrollbar-gutter:stable both-edges}
.splash-box{width:420px;max-width:92vw;margin:auto 0;flex:0 0 auto;animation:fadeIn .8s}
.splash-logo{font-family:var(--serif);font-size:44px;letter-spacing:16px;text-align:center;color:var(--gold);margin-bottom:6px}
.splash-sub{text-align:center;color:var(--ink-faint);font-size:11px;letter-spacing:4px;margin-bottom:38px}
.splash-card{background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:24px}
.frow{margin-bottom:14px}
.frow label{display:block;font-size:11px;color:var(--ink-dim);margin-bottom:5px;letter-spacing:1px}
.frow input,.frow select{width:100%;background:var(--bg3);border:1px solid var(--line);color:var(--ink);padding:9px 12px;border-radius:4px;font-size:13px;font-family:var(--sans);outline:none;transition:border-color .2s}
.frow input:focus,.frow select:focus{border-color:var(--gold-dim)}
.frow .hint{font-size:10px;color:var(--ink-faint);margin-top:4px}
.frow .hint a{color:var(--gold-dim);text-decoration:none;border-bottom:1px dashed var(--gold-dim)}
.frow .hint a:hover{color:var(--gold);border-bottom-color:var(--gold)}
.key-row{display:flex;gap:8px}
.key-row input{flex:1}
.gen-btn{white-space:nowrap;background:transparent;border:1px solid var(--gold-dim);color:var(--gold-dim);border-radius:4px;padding:0 12px;font-size:11px;cursor:pointer}
.gen-btn:hover{color:var(--gold);border-color:var(--gold)}
.splash-actions{display:grid;grid-template-columns:1fr;gap:9px;margin-top:8px}
.splash-actions.has-secondary{grid-template-columns:auto 1fr}
.splash-actions [hidden]{display:none}
.splash-actions button{padding:13px;border-radius:5px;font-size:13px;letter-spacing:4px;cursor:pointer;font-family:var(--serif);font-weight:bold}
.splash-primary{background:linear-gradient(135deg,#8a6f3e,#c9a86a);color:#161310;border:none}
.splash-primary:hover{opacity:.88}
.splash-secondary{background:transparent;border:1px solid var(--gold-dim);color:var(--gold-dim)}
.splash-secondary:hover{border-color:var(--gold);color:var(--gold)}
.splash-actions button:disabled{opacity:.35;cursor:not-allowed}
.advanced-btn{width:100%;margin:-2px 0 8px;padding:8px 10px;background:transparent;border:1px solid var(--gold-dim);border-radius:4px;color:var(--gold-dim);font-size:11px;cursor:pointer;letter-spacing:1px}
.advanced-btn:hover{border-color:var(--gold);color:var(--gold)}
.error-box{margin:9px 0;padding:9px 12px;border:1px solid rgba(181,83,60,.6);background:rgba(181,83,60,.08);border-radius:4px;color:#d98a76;font-size:11px;line-height:1.6;white-space:pre-wrap}
.error-box[hidden]{display:none}
.cloud-status{min-height:28px;padding:7px 10px;border:1px solid var(--line);border-radius:4px;color:var(--ink-faint);font:10px/1.4 var(--sans);letter-spacing:1px;overflow-wrap:anywhere}
.cloud-status[data-state="ready"],.cloud-status[data-state="synced"]{border-color:rgba(122,154,109,.55);color:var(--green);background:rgba(122,154,109,.06)}
.cloud-status[data-state="syncing"]{border-color:rgba(201,168,106,.5);color:var(--gold)}
.cloud-status[data-state="pending"]{border-color:rgba(181,83,60,.5);color:#d98a76;background:rgba(181,83,60,.06)}
.cloud-status[data-state="conflict"],.cloud-status[data-state="storage_error"]{border-color:var(--red);color:#e29a88;background:rgba(181,83,60,.12)}

dialog{width:min(620px,92vw);max-height:90vh;max-height:90dvh;margin:auto;padding:26px 26px 22px;overflow-y:auto;background:linear-gradient(180deg,#1b1813,#131109);color:var(--ink);border:1px solid #3a3226;border-top:2px solid var(--gold-dim);border-radius:10px;box-shadow:0 24px 90px rgba(0,0,0,.7)}
dialog::backdrop{background:rgba(5,4,3,.8);backdrop-filter:blur(4px)}
#settingsDialog{width:min(720px,92vw)}
#settingsForm,#editPromptForm,#rejectForm{padding:0}
#backupDialog{width:min(520px,92vw)}
.backup-tip{margin:0 0 16px;padding:10px 12px;border-left:2px solid var(--gold-dim);border-radius:0 5px 5px 0;background:rgba(201,168,106,.06);font-size:12px;line-height:1.8;color:var(--ink-dim)}
.warning-tip{border-left-color:var(--red);background:rgba(181,83,60,.08);color:#d8b6aa}
.dialog-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.dialog-head h2{position:relative;padding-left:14px;font-family:var(--serif);font-size:18px;letter-spacing:6px;color:var(--gold);font-weight:normal}
.dialog-head h2::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;border-radius:2px;background:var(--gold-dim)}
.dialog-head button{width:30px;height:30px;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--ink-dim);font-size:15px;line-height:1;cursor:pointer}
.dialog-head button:hover{border-color:var(--gold-dim);color:var(--gold)}
.dialog-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.dialog-grid .full{grid-column:1/-1}
.dialog-section{padding:14px 16px 4px;margin-bottom:14px;background:rgba(10,9,8,.55);border:1px solid var(--line);border-radius:8px}
.dialog-section h3{margin:0 0 12px;color:var(--gold-dim);font:12px var(--serif);letter-spacing:3px}
.dialog-section .cloud-status{margin:0 0 10px}
.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.dialog-actions button{padding:9px 22px;border-radius:5px;cursor:pointer;font-size:12px;letter-spacing:2px}
.dialog-actions .secondary{background:transparent;border:1px solid var(--line);color:var(--ink-dim)}
.dialog-actions .secondary:hover{border-color:var(--gold-dim);color:var(--gold)}
.dialog-actions .primary{background:linear-gradient(135deg,#8a6f3e,#c9a86a);border:0;color:#161310;font-weight:bold}
.dialog-actions .primary:hover{opacity:.88}
.archive-import-entry{margin-top:12px}
.archive-tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.archive-tool{padding:16px 12px;border:1px solid var(--gold-dim);border-radius:6px;background:var(--bg3);color:var(--gold);cursor:pointer;font:13px var(--serif);letter-spacing:2px}
.archive-tool small{display:block;margin-top:7px;color:var(--ink-faint);font:10px var(--sans);letter-spacing:0}
.archive-tool:hover{border-color:var(--gold)}
.archive-tool:disabled{opacity:.35;cursor:not-allowed;border-color:var(--line)}
.archive-preview{margin-top:14px;padding:12px;border:1px solid var(--line);border-radius:5px;background:#0a0908;color:var(--ink-dim);font-size:12px;line-height:1.8;white-space:pre-wrap}
.action-textarea{display:block;width:100%;min-height:150px;padding:12px 14px;resize:vertical;background:var(--bg3);border:1px solid var(--line);border-radius:5px;color:var(--ink);font:13px/1.8 var(--serif);outline:none}
.action-textarea:focus{border-color:var(--gold-dim)}

/* ======== 第二屏：初始化多轮对话 ======== */
.init-head{padding:12px 24px;border-bottom:1px solid var(--line);background:var(--bg2);display:flex;justify-content:space-between;align-items:center}
.init-tools{display:flex;align-items:center;gap:9px}
.init-title{font-family:var(--serif);font-size:15px;letter-spacing:4px;color:var(--gold)}
.init-title small{font-size:10px;color:var(--ink-faint);letter-spacing:2px;margin-left:10px;font-family:var(--sans)}
.adjustment-banner{padding:9px 24px;border-bottom:1px solid var(--gold-dim);background:rgba(201,168,106,.08);color:var(--gold);font:11px/1.6 var(--sans);letter-spacing:1px}
.init-return{padding:7px 10px;border:1px solid var(--line);border-radius:5px;background:transparent;color:var(--ink-dim);font:10px var(--serif);letter-spacing:2px;cursor:pointer}
.init-return:hover{border-color:var(--gold-dim);color:var(--gold)}
.init-body{flex:1;min-height:0;display:grid;grid-template-columns:1fr 380px;overflow:hidden}
.init-chat{min-height:0;display:flex;flex-direction:column;overflow:hidden;border-right:1px solid var(--line)}
#initLog{flex:1;min-height:0;overflow-y:auto;padding:24px 30px;scrollbar-gutter:stable}
.msg{margin-bottom:18px;animation:fadeIn .4s;max-width:88%}
.msg .mwho{font-size:10px;letter-spacing:2px;color:var(--ink-faint);margin-bottom:5px}
.msg.guide .mwho{color:var(--gold)}
.msg .mtext{font-size:13.5px;line-height:1.9;background:var(--bg2);border:1px solid var(--line);border-radius:6px;padding:12px 16px;white-space:pre-wrap;overflow-wrap:anywhere}
.msg.guide .mtext{border-left:2px solid var(--gold-dim)}
.msg.user{margin-left:auto}
.msg.user .mwho{text-align:right;color:var(--blue)}
.msg.user .mtext{background:#14181c;border-color:#232b33}
.mexplain{font-size:11px;color:var(--ink-faint);border-left:2px solid var(--line);padding:4px 10px;margin-bottom:8px;line-height:1.7}
.mexplain b{color:var(--ink-dim);font-weight:normal}
.typing{display:inline-flex;gap:4px;padding:10px 16px}
.typing i{width:5px;height:5px;border-radius:50%;background:var(--gold-dim);animation:tp 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes tp{30%{transform:translateY(-4px);opacity:1}60%{opacity:.4}}
.init-input{border-top:1px solid var(--line);background:var(--bg2);padding:13px 20px}
.qchips{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:9px}
.qchip{font-size:11px;padding:5px 12px;border:1px solid var(--gold-dim);border-radius:12px;color:var(--gold-dim);cursor:pointer;background:transparent}
.qchip:hover{color:var(--gold);border-color:var(--gold)}
.init-input .row{display:flex;gap:9px}
#initInput{flex:1;background:var(--bg3);border:1px solid var(--line);border-radius:5px;padding:11px 14px;color:var(--ink);font-size:13.5px;outline:none;resize:none;height:44px;font-family:var(--sans)}
#initInput:focus{border-color:var(--gold-dim)}
.ibtn{padding:0 22px;background:linear-gradient(135deg,#8a6f3e,#c9a86a);border:none;border-radius:5px;color:#161310;font-size:13px;letter-spacing:3px;cursor:pointer;font-family:var(--serif);font-weight:bold}
.ibtn:disabled{opacity:.35;cursor:not-allowed}

/* 右侧结构化状态面板 */
.init-state{overflow-y:auto;padding:20px 18px;background:var(--bg2)}
.stitle{font-family:var(--serif);font-size:13px;letter-spacing:3px;color:var(--gold);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.stitle .mini{font-size:9px;font-family:var(--sans);color:var(--ink-faint);letter-spacing:1px}
.sblock{background:#0a0908;border:1px solid var(--line);border-radius:5px;padding:12px 13px;margin-bottom:12px;font-family:var(--sans);font-size:11px;line-height:1.6}
.sblock .sb-head{font-family:var(--sans);font-size:10px;letter-spacing:2px;color:var(--ink-dim);margin-bottom:7px}
.state-row{display:block;padding:5px 6px 7px;border-radius:4px;transition:background .6s}
.state-row.hot{background:rgba(201,168,106,.18)}
.state-label{display:block;margin-bottom:4px;color:var(--ink-dim);font-size:10px;letter-spacing:1px}
.state-control{display:block;width:100%;min-width:0;background:var(--bg3);border:1px solid var(--line);border-radius:4px;color:var(--ink);font:12px/1.6 var(--sans);padding:7px 9px;outline:none;resize:vertical}
textarea.state-control{min-height:58px}
.state-control:focus{border-color:var(--gold-dim)}
#initDone{min-width:142px;padding:10px 18px;background:linear-gradient(135deg,#8a6f3e,#c9a86a);border:0;color:#161310;border-radius:5px;font-size:12px;letter-spacing:4px;cursor:pointer;font-family:var(--serif);font-weight:bold;box-shadow:0 0 24px rgba(201,168,106,.12)}
#initDone:hover:not(:disabled){opacity:.88;box-shadow:0 0 30px rgba(201,168,106,.25)}
#initDone:disabled{opacity:.3;cursor:not-allowed;box-shadow:none}

/* ======== 自动开场中间页 ======== */
#openingScr{align-items:center;justify-content:center;background:radial-gradient(circle at 50% 42%,rgba(201,168,106,.08),transparent 42%),var(--bg)}
.opening-card{width:min(560px,90vw);padding:44px 36px;text-align:center;border:1px solid var(--line);border-top-color:var(--gold-dim);border-radius:12px;background:rgba(22,20,17,.92);box-shadow:0 30px 100px rgba(0,0,0,.5);animation:fadeIn .4s}
.opening-card h1{margin:22px 0 12px;color:var(--gold);font:normal 22px var(--serif);letter-spacing:8px}
.opening-card>p{min-height:24px;color:var(--ink-dim);font-size:12px;letter-spacing:2px}
.opening-mark{display:flex;justify-content:center;gap:15px;height:50px}
.opening-mark i,.opening-phases i{display:block;border-radius:50%;border:2px solid var(--line);border-top-color:var(--gold);animation:openingSpin 1.1s linear infinite}
.opening-mark i{width:42px;height:42px}.opening-mark i:nth-child(2){animation-duration:1.45s;animation-direction:reverse}.opening-mark i:nth-child(3){animation-duration:1.8s}
.opening-phases{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:28px 0 24px}
.opening-phases span{display:flex;align-items:center;justify-content:center;gap:7px;padding:10px 6px;border:1px solid var(--line);border-radius:6px;color:var(--ink-faint);font-size:10px}
.opening-phases span.active{border-color:var(--gold-dim);color:var(--gold);background:rgba(201,168,106,.06)}
.opening-phases span.done{color:var(--green);border-color:rgba(122,154,109,.5)}
.opening-phases i{width:13px;height:13px;border-width:1px}
#cancelOpening{padding:9px 18px;border:1px solid var(--line);border-radius:5px;background:transparent;color:var(--ink-dim);font:11px var(--serif);letter-spacing:2px;cursor:pointer}
#cancelOpening:hover{border-color:var(--gold-dim);color:var(--gold)}
@keyframes openingSpin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.opening-mark i,.opening-phases i{animation-duration:3s}}

/* ======== 第三屏：戏台（纯净版） ======== */
.stage-head{padding:11px 26px;border-bottom:1px solid var(--line);background:var(--bg2);display:flex;justify-content:space-between;align-items:center}
.stage-status{display:flex;align-items:center;gap:12px}
.stage-tool{padding:5px 10px;border:1px solid var(--line);border-radius:4px;background:transparent;color:var(--ink-dim);font:10px var(--serif);letter-spacing:2px;cursor:pointer}
.stage-tool:hover{border-color:var(--gold-dim);color:var(--gold)}
.stage-tool:disabled{opacity:.35;cursor:not-allowed}
.cloud-status.compact{min-height:0;padding:4px 8px;max-width:330px}
.summary-status{min-height:0;padding:4px 8px;border:1px solid rgba(122,154,109,.45);border-radius:4px;background:rgba(122,154,109,.06);color:var(--green);font:10px/1.4 var(--sans);letter-spacing:1px;cursor:default}
.summary-status[data-state="working"]{border-color:rgba(201,168,106,.5);background:transparent;color:var(--gold)}
.summary-status[data-state="error"]{border-color:var(--red);background:rgba(181,83,60,.12);color:#e29a88;cursor:pointer}
.summary-status:disabled{opacity:1}
.scene-name{font-family:var(--serif);font-size:14px;letter-spacing:3px}
.scene-name small{color:var(--ink-faint);font-size:10px;margin-left:10px;letter-spacing:1px}
.turn-badge{font-size:10px;color:var(--ink-faint);font-family:var(--mono);letter-spacing:1px}
#playLog{flex:1;overflow-y:auto;padding:34px 20vw 20px;scroll-behavior:smooth}
#playLog.streaming{scroll-behavior:auto}
#playLog.turn-focused::after{content:"";display:block;height:var(--turn-tail-space,120px);pointer-events:none}
.xi{font-family:var(--serif);font-size:16px;line-height:2.1;margin-bottom:26px;padding-left:20px;border-left:2px solid var(--line);animation:fadeIn .4s;white-space:pre-wrap;overflow-wrap:anywhere}
.xi .who{display:block;font-size:11px;font-family:var(--sans);letter-spacing:2px;margin-bottom:8px}
.xi.npc{border-left-color:var(--gold-dim)}
.xi.npc .who{color:var(--gold)}
.xi.me{border-left-color:var(--blue)}
.xi.me .who{color:var(--blue)}
.xi.writing{border-left-style:dashed}
.xi.writing .body{display:inline-flex;align-items:center;gap:9px;color:var(--ink-faint);font-size:13px;letter-spacing:2px}
.writing-dot{width:7px;height:7px;border-radius:50%;background:var(--gold);animation:inkBreath 1.6s ease-in-out infinite}
.writing-verb{display:inline-block;min-width:5em;transition:opacity .25s}
.writing-verb.swap{opacity:0}
@keyframes inkBreath{0%,100%{opacity:.3;transform:scale(.75);box-shadow:0 0 3px rgba(201,168,106,.25)}50%{opacity:1;transform:scale(1.15);box-shadow:0 0 12px rgba(201,168,106,.8)}}
@media(prefers-reduced-motion:reduce){.writing-dot{animation-duration:4s}}
.message-actions{display:flex;gap:10px;margin-top:8px;opacity:.34;transition:opacity .2s}
.xi:hover .message-actions,.xi:focus-within .message-actions{opacity:1}
.message-actions button{border:0;background:transparent;color:var(--ink-faint);font:10px var(--sans);cursor:pointer;padding:2px 0}
.message-actions button:hover{color:var(--gold)}
.message-actions button:disabled{opacity:.35;cursor:not-allowed}
.sysmsg{text-align:center;font-size:10.5px;color:var(--ink-faint);margin:16px 0;letter-spacing:2px}
.cursor-blink::after{content:"▍";color:var(--gold);animation:blink .7s infinite}
.input-zone{border-top:1px solid var(--line);background:var(--bg2);padding:13px 20vw 16px}
.input-tools{display:flex;gap:6px;margin-bottom:9px;align-items:center}
.chips{display:flex;gap:6px;margin-left:auto}
.chip{font-size:10.5px;padding:3px 9px;border:1px solid var(--line);border-radius:10px;color:var(--ink-faint);cursor:pointer;background:transparent}
.chip:hover{border-color:var(--gold-dim);color:var(--gold-dim)}
.input-row{display:flex;gap:9px}
#xiInput{flex:1;background:var(--bg3);border:1px solid var(--line);border-radius:5px;padding:11px 14px;color:var(--ink);font-family:var(--serif);font-size:14px;outline:none;resize:none;height:46px;transition:border-color .2s}
#xiInput:focus{border-color:var(--gold-dim)}
#sendBtn{padding:0 26px;background:linear-gradient(135deg,#8a6f3e,#c9a86a);border:none;border-radius:5px;color:#161310;font-size:14px;letter-spacing:3px;cursor:pointer;font-family:var(--serif);font-weight:bold}
#sendBtn:disabled{opacity:.35;cursor:not-allowed}

/* ======== 侧边栏（会话工具 · 可收起 · 移动端抽屉） ======== */
#sideRail{position:fixed;left:0;top:0;bottom:0;z-index:40;width:260px;display:none;flex-direction:column;background:var(--bg2);border-right:1px solid var(--line)}
body.with-rail #sideRail{display:flex}
body.with-rail .screen{padding-left:260px;transition:padding .25s ease}
body.with-rail.rail-mini .screen{padding-left:58px}
.rail-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}
.rail-logo{font-family:var(--serif);font-size:18px;letter-spacing:6px;color:var(--gold)}
.rail-collapse{width:26px;height:26px;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--ink-dim);font-size:12px;line-height:1;cursor:pointer}
.rail-collapse:hover{color:var(--gold);border-color:var(--gold-dim)}
.rail-nav{display:flex;min-height:0;flex:1;flex-direction:column;gap:15px;padding:12px 10px;overflow-y:auto;scrollbar-gutter:stable}
.rail-section{display:flex;flex-direction:column;gap:4px}
.rail-section-label{padding:4px 10px;color:var(--ink-faint);font:9px var(--sans);letter-spacing:3px}
.rail-item{display:flex;align-items:center;gap:11px;min-height:48px;padding:7px 10px;border:1px solid transparent;border-radius:7px;background:transparent;color:var(--ink-dim);text-align:left;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.rail-item svg{width:17px;height:17px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.rail-item:hover{color:var(--gold);background:var(--bg3);border-color:var(--line)}
.rail-item[aria-pressed="true"]{color:var(--gold);background:rgba(201,168,106,.08);border-color:var(--gold-dim)}
.rail-item:disabled{opacity:.35;cursor:not-allowed}
.rail-text{display:block;min-width:0}
.rail-label{display:block;font:12.5px var(--serif);letter-spacing:3px}
.rail-text small{display:block;margin-top:4px;color:var(--ink-faint);font:9.5px var(--sans);letter-spacing:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rail-foot{padding:12px;border-top:1px solid var(--line)}
.rail-foot .cloud-status{display:block;max-width:none}
#railToggle{display:none}
#railScrim{display:none;position:fixed;inset:0;z-index:65;background:rgba(5,4,3,.6)}
/* 收起为迷你栏 */
body.rail-mini #sideRail{width:58px}
body.rail-mini .rail-head{justify-content:center;padding:14px 0}
body.rail-mini .rail-logo{display:none}
body.rail-mini .rail-nav{padding-left:7px;padding-right:7px;gap:10px;scrollbar-gutter:auto}
body.rail-mini .rail-section-label{display:none}
body.rail-mini .rail-item{justify-content:center;min-height:42px;padding:9px 0}
body.rail-mini .rail-text{display:none}
body.rail-mini .rail-foot{display:none}

/* ======== 摘要查看器 ======== */
#summaryDialog{width:min(760px,92vw)}
.side-summary{max-height:56vh;overflow-y:auto;padding:10px 12px;border:1px solid var(--line);border-radius:5px;background:#0a0908;scrollbar-gutter:stable}
.side-summary-item{padding:6px 0;border-bottom:1px dashed var(--line)}
.side-summary-item:last-child{border-bottom:0}
.side-summary-head{margin-bottom:3px;font-size:10px;letter-spacing:1px;color:var(--gold-dim)}
.side-summary-text{font-size:12px;line-height:1.7;color:var(--ink-dim);white-space:pre-wrap;overflow-wrap:anywhere}

/* ======== 侧边对话（独立线程面板） ======== */
body.with-rail.side-chat-open .screen{padding-right:390px}
#sideChatPanel{position:fixed;z-index:45;top:0;right:0;bottom:0;width:390px;display:flex;visibility:hidden;flex-direction:column;overflow:hidden;background:#11100e;border-left:1px solid var(--line);box-shadow:-20px 0 55px rgba(0,0,0,.25);transform:translateX(102%);transition:transform .25s ease,visibility .25s}
body.with-rail.side-chat-open #sideChatPanel{visibility:visible;transform:none}
#sideChatScrim{display:none}
.side-chat-head{display:flex;align-items:center;justify-content:space-between;padding:17px 17px 13px;border-bottom:1px solid var(--line);background:var(--bg2)}
.side-thread-kicker{display:block;margin-bottom:5px;color:var(--ink-faint);font:8.5px var(--sans);letter-spacing:3px}
.side-chat-head h2{color:var(--ink);font:15px var(--serif);font-weight:normal;letter-spacing:4px}
.side-chat-head button{width:30px;height:30px;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--ink-dim);font-size:15px;cursor:pointer}
.side-chat-head button:hover{border-color:var(--gold-dim);color:var(--gold)}
.side-thread-state{padding:9px 17px;border-bottom:1px solid var(--line);color:var(--ink-dim);font-size:9.5px;line-height:1.55;letter-spacing:.3px}
.side-thread-state i{display:inline-block;width:6px;height:6px;margin-right:7px;border-radius:50%;background:var(--green);box-shadow:0 0 7px rgba(122,154,109,.55)}
.side-thread-state strong{color:var(--gold-dim);font-weight:normal}
.side-thread-state small{display:block;margin:3px 0 0 13px;color:var(--ink-faint);font-size:8.5px}
.side-log{flex:1;min-height:0;overflow-y:auto;padding:18px 16px;scrollbar-gutter:stable}
.side-empty{max-width:270px;margin:18vh auto 0;text-align:center;color:var(--ink-faint)}
.side-empty span{display:block;margin-bottom:12px;color:var(--gold-dim);font:13px var(--serif);letter-spacing:5px}
.side-empty p{font-size:11px;line-height:1.8}
.side-msg{margin:0 0 18px 28px;padding:10px 12px;border:1px solid #293039;border-radius:9px 9px 2px 9px;background:#151a1f;animation:fadeIn .3s}
.side-msg.side-assistant{margin-left:0;margin-right:28px;border-color:var(--line);border-radius:9px 9px 9px 2px;background:var(--bg2)}
.side-msg.side-thinking{color:var(--ink-faint);font-size:11px;letter-spacing:2px}
.side-msg:last-child{margin-bottom:0}
.side-who{display:block;margin-bottom:5px;font-size:9px;letter-spacing:2px;color:var(--blue)}
.side-assistant .side-who{color:var(--gold-dim)}
.side-text{font-size:12.5px;line-height:1.75;color:var(--ink);white-space:pre-wrap;overflow-wrap:anywhere}
.side-composer{padding:12px 14px max(14px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--bg2)}
#sideInput{display:block;width:100%;height:78px;padding:11px 12px;resize:none;background:var(--bg3);border:1px solid var(--line);border-radius:7px;color:var(--ink);font:12.5px/1.6 var(--sans);outline:none}
#sideInput:focus{border-color:var(--gold-dim)}
.side-composer-actions{display:flex;align-items:center;gap:9px;margin-top:9px}
.side-composer-actions span{flex:1;color:var(--ink-faint);font-size:8.5px}
.side-composer-actions .ibtn{height:32px;padding:0 15px;font-size:11px}
.side-migrate{height:32px;padding:0 11px;border:1px solid var(--gold-dim);border-radius:5px;background:transparent;color:var(--gold-dim);font:10px var(--serif);letter-spacing:1px;cursor:pointer}
.side-migrate:hover{border-color:var(--gold);color:var(--gold)}
.side-migrate:disabled{opacity:.35;cursor:not-allowed;border-color:var(--line)}

/* ---------------- Key 获取指引 ---------------- */
.key-guide-btn{display:block;margin-top:6px;padding:7px 10px;background:transparent;border:1px solid var(--gold-dim);border-radius:4px;color:var(--gold-dim);font-size:11px;letter-spacing:1px;text-align:center;text-decoration:none}
.key-guide-btn:hover{border-color:var(--gold);color:var(--gold)}

.guide-body{overflow-y:auto}
.guide-wrap{max-width:860px;margin:0 auto;padding:48px 22px 64px}
.guide-head{text-align:center;margin-bottom:36px;animation:fadeIn .6s}
.guide-head .splash-logo{font-size:28px;letter-spacing:10px;margin-bottom:18px}
.guide-head h1{font-family:var(--serif);font-size:22px;letter-spacing:4px;color:var(--gold);font-weight:normal;margin-bottom:12px}
.guide-lead{font-size:12.5px;color:var(--ink-dim);line-height:1.8;max-width:560px;margin:0 auto}
.guide-steps{list-style:none;counter-reset:gstep}
.gstep{counter-increment:gstep;position:relative;margin-bottom:40px;padding:18px 18px 18px 62px;background:var(--bg2);border:1px solid var(--line);border-radius:8px;animation:fadeIn .6s backwards}
.gstep:nth-child(2){animation-delay:.1s}.gstep:nth-child(3){animation-delay:.2s}.gstep:nth-child(4){animation-delay:.3s}.gstep:nth-child(5){animation-delay:.4s}
.gstep::before{content:counter(gstep);position:absolute;left:18px;top:18px;width:28px;height:28px;border:1px solid var(--gold-dim);border-radius:50%;color:var(--gold);font-family:var(--serif);font-size:14px;display:flex;align-items:center;justify-content:center}
.gstep h2{font-family:var(--serif);font-size:15px;letter-spacing:2px;color:var(--ink);font-weight:normal;margin-bottom:8px}
.gstep p{font-size:12.5px;color:var(--ink-dim);line-height:1.8;margin-bottom:12px}
.gstep p:last-of-type{margin-bottom:0}
.gstep a{color:var(--gold-dim);text-decoration:none;border-bottom:1px dashed var(--gold-dim)}
.gstep a:hover{color:var(--gold);border-bottom-color:var(--gold)}
.gstep img{display:block;width:100%;margin-top:14px;border:1px solid var(--line);border-radius:6px}
.guide-foot{margin-top:8px;text-align:center;animation:fadeIn .6s .5s backwards}
.guide-back{display:inline-block;margin-bottom:16px;padding:10px 26px;border:1px solid var(--gold-dim);border-radius:5px;color:var(--gold);font-size:13px;letter-spacing:2px;text-decoration:none}
.guide-back:hover{border-color:var(--gold);background:var(--bg2)}
.guide-foot .hint{font-size:10px;color:var(--ink-faint)}

@media(max-width:980px){
  body.with-rail .screen,body.with-rail.rail-mini .screen{padding-left:0}
  body.rail-mini #sideRail{width:260px}
  body.rail-mini .rail-head{justify-content:space-between;padding:14px 16px}
  body.rail-mini .rail-logo{display:block}
  body.rail-mini .rail-nav{padding:12px 10px;gap:15px;scrollbar-gutter:stable}
  body.rail-mini .rail-section-label{display:block}
  body.rail-mini .rail-item{justify-content:flex-start;min-height:48px;padding:7px 10px}
  body.rail-mini .rail-text{display:block}
  body.rail-mini .rail-foot{display:block}
  #sideRail{transform:translateX(-102%);transition:transform .25s ease;z-index:70}
  body.rail-open #sideRail{transform:none;box-shadow:24px 0 60px rgba(0,0,0,.55)}
  body.rail-open #railScrim{display:block}
  #railToggle{display:inline-block}
  #playLog,.input-zone{padding-left:22px;padding-right:22px}
  .init-body{display:flex;flex-direction:column;overflow-y:auto;scrollbar-gutter:stable}
  .init-head{align-items:flex-start;gap:10px;padding:10px 12px}.init-title small{display:none}.init-tools{flex-wrap:wrap;justify-content:flex-end}.init-tools .turn-badge{order:1}#initDone{order:2;min-width:118px;padding:9px 11px;font-size:11px;letter-spacing:2px}.init-return{order:3}
  .init-chat{min-height:64vh;border-right:0;border-bottom:1px solid var(--line)}
  .init-state{display:block;overflow:visible}
  .dialog-grid{grid-template-columns:1fr}.dialog-grid .full{grid-column:auto}
  .stage-head{padding-left:14px;padding-right:14px}
  .stage-status{gap:6px}.summary-status.compact{max-width:190px}
  .message-actions{opacity:1;flex-wrap:wrap}
  .archive-tool-grid{grid-template-columns:1fr}
}

@media(max-width:1180px){
  body.with-rail.side-chat-open .screen{padding-right:0}
  #sideChatPanel{z-index:75;width:min(390px,100vw);box-shadow:-24px 0 70px rgba(0,0,0,.65)}
  body.side-chat-open #sideChatScrim{display:block;position:fixed;inset:0;z-index:74;background:rgba(5,4,3,.62)}
}

@media(max-width:520px){
  #sideChatPanel{width:100vw}
  .side-empty{margin-top:14vh}
  .side-composer-actions span{display:none}
  .side-migrate{margin-right:auto}
}