/* 周边界面：星图居中独占视野，四角各司其职。
   左上 身份 · 右上 找作品与环境 · 左缘 观察方式 · 左下 收藏范围 · 右下 层级与关系。
   本文件最后加载，只管周边控件的位置与样式，不改星图场景。 */
:root{
  --edge:clamp(20px,3.4vw,52px);
  --ui-text:#dfe8e2;--ui-dim:#8fa5a0;--ui-faint:#5d726f;
  --ui-line:rgba(173,204,197,.16);--ui-line-strong:rgba(173,204,197,.34);
  --ui-glass:rgba(7,17,22,.62);
  --ui-serif:"Noto Serif SC","Songti SC","SimSun",serif;
}
.sr-only{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.ui-icon{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}
.ui-icon .solid{fill:currentColor;stroke:none}
body .frame{display:none}

/* ── 顶栏 ─────────────────────────────── */
body .topbar{position:fixed;inset:0 0 auto 0;top:0;left:0;right:0;z-index:9;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:calc(var(--edge)*.72 + env(safe-area-inset-top,0px)) var(--edge) 0;pointer-events:none}
body .topbar>*{pointer-events:auto}
body .brand{display:flex;align-items:center;gap:12px;flex:none}
body .brand-mark{width:28px;height:28px;opacity:.92}
body .brand-word{font-family:var(--ui-serif);font-size:19px;letter-spacing:.42em;color:var(--ui-text);line-height:1}
body .brand-word>span{display:block;margin-top:7px;font-family:Georgia,"Times New Roman",serif;font-size:8px;letter-spacing:.24em;color:var(--ui-faint)}
body .toolbar{display:flex;align-items:center;flex-wrap:nowrap;justify-content:flex-end;gap:6px;max-width:none;min-width:0}
body .toolbar .quiet-button,body .toolbar .admin-link{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:36px;padding:0 12px;font-size:13px;letter-spacing:.08em;color:var(--ui-dim);border-radius:2px;white-space:nowrap;transition:color .2s,border-color .2s,background-color .2s}
body .toolbar .quiet-button:hover,body .toolbar .admin-link:hover{color:#fff}

/* 搜索是找回一件作品的主路径：给它输入框的样子 */
body .toolbar .search-field{justify-content:flex-start;width:clamp(170px,17vw,240px);padding:0 10px 0 12px;color:var(--ui-dim);background:var(--ui-glass);border:1px solid var(--ui-line);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
body .toolbar .search-field:hover{border-color:var(--ui-line-strong)}
body .toolbar .search-field>span{flex:1;text-align:left}
body .toolbar .search-field kbd{margin:0;padding:1px 6px;border:1px solid var(--ui-line);border-radius:2px;font:11px/1.5 ui-monospace,Menlo,Consolas,monospace;color:var(--ui-faint)}
body .toolbar .revisit-button{color:var(--ui-text);border:1px solid transparent}
body .toolbar .revisit-button:hover{border-color:var(--ui-line-strong)}
body .toolbar .revisit-button .ui-icon{width:16px;height:16px;fill:currentColor;stroke:none;color:var(--accent)}
body .toolbar-rule{flex:none;width:1px;height:16px;margin:0 8px;background:var(--ui-line)}

/* 环境与视角：低频，收成图标 */
body .env-tools{display:flex;align-items:center;gap:2px}
body .toolbar .icon-button{position:relative;width:36px;padding:0;color:var(--ui-faint)}
body .toolbar .icon-button[aria-pressed="true"]{color:var(--accent)}
body .toolbar .icon-button[data-tip]::after{content:attr(data-tip);position:absolute;top:calc(100% + 6px);left:50%;transform:translateX(-50%);padding:4px 9px;background:#071318f2;border:1px solid var(--ui-line);font-size:11px;letter-spacing:.06em;color:var(--ui-text);white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s}
body .toolbar .icon-button:hover::after,body .toolbar .icon-button:focus-visible::after{opacity:1}
body .toolbar .env-tools .icon-button:last-child::after{left:auto;right:0;transform:none}
body .toolbar .sound-bars{display:flex;align-items:center;gap:2.5px;height:14px;margin:0}
body .toolbar .sound-bars i{display:block;width:1.5px;background:currentColor;border-radius:1px}
body .toolbar #sound[aria-pressed="false"] .sound-bars i{height:3px!important;animation:none!important}
body .toolbar .admin-link{margin-left:8px;padding:0 0 0 14px;font-size:12px;color:var(--ui-faint);border-left:1px solid var(--ui-line);border-radius:0;min-height:16px;height:16px}

/* ── 左缘：观察方式。三盏灯串在一条细线上 ─────────── */
.observe-rail{position:fixed;z-index:8;left:var(--edge);top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:flex-start;gap:0;padding-left:0}
.observe-rail::before{content:"";position:absolute;left:5.5px;top:38px;bottom:20px;width:1px;background:linear-gradient(var(--ui-line),var(--ui-line-strong),var(--ui-line))}
.rail-title{margin:0 0 10px -1px;font-size:10px;letter-spacing:.34em;color:var(--ui-faint)}
.rail-toggle{position:relative;display:flex;align-items:center;gap:14px;min-height:40px;padding:0 10px 0 0;font-size:13px;letter-spacing:.2em;color:var(--ui-faint);transition:color .25s}
.rail-toggle i{position:relative;flex:none;width:12px;height:12px;border-radius:50%;background:var(--ink);border:1px solid var(--ui-line-strong);transition:background-color .25s,box-shadow .25s,border-color .25s}
.rail-toggle:hover{color:var(--ui-text)}
.rail-toggle:hover i{border-color:var(--ui-text)}
.rail-toggle[aria-pressed="true"]{color:var(--ui-text)}
.rail-toggle[aria-pressed="true"] i{background:#eaf6ef;border-color:#eaf6ef;box-shadow:0 0 0 3px rgba(162,227,217,.14),0 0 14px 2px rgba(162,227,217,.7)}
.rail-toggle:focus-visible{outline:1px solid var(--accent);outline-offset:4px}
.is-detail .observe-rail{visibility:hidden}

/* ── 左下：收藏范围 ───────────────────────── */
body .bottom-bar{position:fixed;z-index:7;inset:auto var(--edge) calc(var(--edge)*.72 + env(safe-area-inset-bottom,0px)) var(--edge);display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:0;pointer-events:none}
body .bottom-bar>*{pointer-events:auto}
body .collection-nav{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
body #work-count{margin:0;font-size:11px;letter-spacing:.2em;color:var(--ui-faint)}
body .chapters{display:flex;gap:26px;width:auto;margin:0;padding:0;border:0}
body .chapter{position:relative;flex:none;width:auto;min-height:36px;padding:6px 0 10px;font-size:14px;letter-spacing:.18em;color:var(--ui-dim);border:0;background:none;text-align:left;transition:color .2s}
body .chapter:hover{color:#fff}
body .chapter.active{color:var(--ui-text)}
body .chapter .chapter-name{font:inherit;letter-spacing:inherit;color:inherit;margin:0}
body .chapter .chapter-progress{position:absolute;inset:auto 0 0 0;width:auto;height:1px;margin:0;background:transparent;transform:none;transition:background-color .2s}
body .chapter.active .chapter-progress{background:var(--accent);box-shadow:0 0 8px rgba(162,227,217,.6)}
body .map-tools{position:fixed;left:50%;bottom:calc(var(--edge)*.72 + 10px);transform:translateX(-50%);display:flex;align-items:center;gap:10px;margin:0;font-size:11px;letter-spacing:.2em;color:var(--ui-faint);pointer-events:none;white-space:nowrap}

/* ── 右下：层级控制与关系视图 ─────────────────── */
body .level-control{position:fixed;left:auto;right:var(--edge);bottom:calc(var(--edge)*.72 + env(safe-area-inset-bottom,0px));transform:none;z-index:8;display:grid;grid-template-columns:auto;justify-items:end;gap:8px;width:auto;max-width:none;padding:0;background:none;border-radius:0;font-size:11px;color:var(--ui-dim)}
body .level-control-heading{display:flex;align-items:baseline;justify-content:flex-end;gap:10px;width:auto;letter-spacing:.16em}
body .level-control-heading label{color:var(--ui-faint)}
body .level-control-heading output{flex:none;color:var(--ui-text)}
body .control-mode{min-height:24px;padding:0 0 0 10px;border-left:1px solid var(--ui-line);font-size:11px;letter-spacing:.16em;color:var(--ui-faint)}
body .control-mode:hover{color:#fff}
body .level-control input{width:200px;height:32px}
body .pad-mode .level-pad{display:grid;grid-template-columns:repeat(3,38px);grid-template-rows:repeat(3,38px);gap:0;padding:0}
body .level-pad button{display:grid;place-items:center;background:none;border:0;border-radius:50%;color:var(--ui-text);font-size:17px;line-height:1;transition:background-color .2s,color .2s}
body .level-pad button:hover:not(:disabled){background:rgba(162,227,217,.12);color:#fff}
body .level-pad button:disabled{opacity:.22}
body .level-pad .pad-center{font-size:11px!important;letter-spacing:0;padding:0;white-space:nowrap;border:1px solid var(--ui-line-strong);background:var(--ui-glass)}
body .level-pad .pad-center:not(:disabled){border-color:var(--accent);color:var(--accent)}
body .pad-mode .pad-caption{display:block;flex:none;max-width:200px;text-align:right;font-size:11px;letter-spacing:.12em;color:var(--ui-faint)}

body .relation-legend{right:var(--edge);bottom:calc(var(--edge)*.72 + 190px);padding:14px 16px;background:var(--ui-glass);border:1px solid var(--ui-line);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);max-height:calc(100dvh - 330px)}
body:not(.using-pad) .relation-legend{bottom:calc(var(--edge)*.72 + 92px)}
body .relation-legend.collapsed{padding:0;background:none;border:0;backdrop-filter:none;-webkit-backdrop-filter:none}
body .legend-expand{min-height:34px;padding:0 14px;font-size:12px;letter-spacing:.16em;color:var(--ui-dim);border:1px solid var(--ui-line);background:var(--ui-glass);transition:color .2s,border-color .2s}
body .legend-expand:hover{color:#fff;border-color:var(--ui-line-strong)}
body .relation-legend:not(.collapsed) .legend-expand{display:block;width:100%;margin:0 0 8px;padding:0;text-align:right;border:0;background:none}
body .hierarchy-nav{left:50%;right:auto;top:calc(var(--edge)*.72 + 6px);transform:translateX(-50%);max-width:36vw;padding:6px 16px;background:var(--ui-glass);border:1px solid var(--ui-line);border-radius:2px;font-size:12px;letter-spacing:.12em}

/* ── 中等宽度 ─────────────────────────── */
@media(max-width:1100px){
  body .toolbar .search-field{width:auto}
  body .toolbar .search-field>span,body .toolbar .search-field kbd{display:none}
  body .brand-word>span{display:none}
  body .map-tools{display:none}
}

/* ── 手机 ─────────────────────────────── */
@media(max-width:700px){
  :root{--edge:18px}
  body .topbar{align-items:center;gap:8px;padding-top:calc(14px + env(safe-area-inset-top,0px))}
  body .brand{gap:8px}
  body .brand-mark{width:24px;height:24px}
  body .brand-word{font-size:16px;letter-spacing:.3em}
  body .toolbar{gap:0;flex:1}
  body .toolbar .quiet-button{min-height:40px;padding:0;width:38px}
  body .toolbar .revisit-button>span,body .toolbar-rule,body .toolbar .fullscreen-button,body .toolbar .icon-button[data-tip]::after{display:none}
  body .toolbar .search-field{width:38px;justify-content:center;background:none;border:0;backdrop-filter:none;color:var(--ui-text)}
  body .toolbar .revisit-button .ui-icon{width:18px;height:18px}
  body .toolbar .admin-link{margin-left:4px;padding-left:10px;font-size:11px}
  .observe-rail{top:auto;bottom:calc(112px + env(safe-area-inset-bottom,0px));transform:none}
  .observe-rail::before{top:14px;bottom:14px}
  .rail-title{display:none}
  .rail-toggle{min-height:36px;font-size:12px}
  body .bottom-bar{bottom:calc(14px + env(safe-area-inset-bottom,0px))}
  body .collection-nav{gap:6px}
  body .chapters{gap:20px}
  body .chapter{font-size:13px;min-height:40px}
  body .level-control{bottom:calc(14px + env(safe-area-inset-bottom,0px));left:auto;right:var(--edge)}
  body .level-control input{width:150px}
  body .pad-mode .level-pad{grid-template-columns:repeat(3,40px);grid-template-rows:repeat(3,40px)}
  body .pad-mode .pad-caption{max-width:150px}
  body .relation-legend,body:not(.using-pad) .relation-legend{right:var(--edge);bottom:calc(206px + env(safe-area-inset-bottom,0px));max-width:calc(100vw - 36px);max-height:calc(100dvh - 300px)}
  body:not(.using-pad) .relation-legend{bottom:calc(104px + env(safe-area-inset-bottom,0px))}
  body .hierarchy-nav{top:calc(62px + env(safe-area-inset-top,0px));max-width:calc(100vw - 36px);font-size:11px}
  body .star-map,body.using-pad .star-map{inset:72px 12px 250px}
}
@media(max-width:350px){
  body .brand-word{display:none}
}
@media(min-width:701px) and (max-height:560px){
  .rail-title{display:none}
  .rail-toggle{min-height:32px}
  .observe-rail{top:46%}
}
@media(prefers-reduced-motion:reduce){.rail-toggle,.rail-toggle i{transition:none}}

/* ── 记一颗星：轻量收录入口与笔记/链接的阅读面板 ─────────── */
body .toolbar .quick-add-button{color:var(--ui-text);border:1px solid transparent}
body .toolbar .quick-add-button:hover{border-color:var(--ui-line-strong)}
body .toolbar .quick-add-button .ui-icon{width:16px;height:16px;color:var(--gold)}
body .toolbar .quick-add-button[hidden]{display:none}
dialog.quick-panel{width:min(520px,calc(100vw - 32px));max-width:none;padding:28px 28px 22px;background:rgba(7,17,22,.96);border:1px solid var(--ui-line-strong);color:var(--ui-text)}
dialog.quick-panel h2{margin:0 0 18px;font-family:var(--ui-serif);font-size:20px;font-weight:400;letter-spacing:.3em}
.quick-panel textarea,.quick-panel input{display:block;width:100%;margin:0 0 10px;padding:12px 14px;background:rgba(2,7,9,.7);border:1px solid var(--ui-line);color:var(--ui-text);font:14px/1.8 "Microsoft YaHei","PingFang SC",sans-serif;border-radius:0;-webkit-user-select:text;user-select:text}
.quick-panel textarea{resize:vertical;min-height:140px;max-height:50dvh}
.quick-panel textarea:focus,.quick-panel input:focus{outline:none;border-color:var(--accent)}
.quick-panel ::placeholder{color:var(--ui-faint)}
#quick-status{min-height:20px;margin:4px 0 14px;font-size:12px;letter-spacing:.08em;color:var(--ui-faint)}
#quick-status.error{color:#f0b0a4}
.quick-actions{display:flex;justify-content:flex-end;align-items:center;gap:20px}
.quick-actions .text-button{font-size:13px;color:var(--ui-dim)}
.quick-save{display:inline-flex;align-items:center;gap:10px;min-height:38px;padding:0 18px;border:1px solid var(--accent);color:var(--accent);font-size:13px;letter-spacing:.2em;transition:background-color .2s,color .2s}
.quick-save:hover:not(:disabled){background:var(--accent);color:var(--ink)}
.quick-save:disabled{opacity:.35;cursor:default}
.quick-save kbd{font:11px ui-monospace,Menlo,Consolas,monospace;letter-spacing:0;opacity:.6}
.detail-panel .media-wrap.local-wrap{display:block;width:min(680px,calc(100vw - 40px));max-width:none;min-height:0;padding:0;background:rgba(7,17,22,.94);border:1px solid var(--ui-line-strong);overflow:visible}
.detail-panel:has(.local-wrap){width:fit-content}
.local-work{padding:34px 36px 30px;max-height:calc(100dvh - 120px);overflow:auto;-webkit-user-select:text;user-select:text}
.local-kind{margin:0 0 14px;font-size:11px;letter-spacing:.24em;color:var(--gold)}
.local-title{margin:0 44px 22px 0;font-family:var(--ui-serif);font-size:22px;font-weight:400;line-height:1.5;letter-spacing:.06em;color:var(--ui-text);overflow-wrap:anywhere}
.local-text{font-size:15px;line-height:2;color:#cfdbd5;white-space:pre-wrap;overflow-wrap:anywhere}
.local-description{margin:22px 0 0;padding-top:16px;border-top:1px solid var(--ui-line);font-size:13px;line-height:1.9;color:var(--ui-dim);white-space:pre-wrap}
.local-link{display:grid;grid-template-columns:1fr auto;gap:4px 20px;align-items:center;padding:16px 18px;border:1px solid var(--ui-line);color:var(--ui-text);transition:border-color .2s}
.local-link:hover{border-color:var(--accent)}
.local-link-host{font-size:15px;letter-spacing:.04em}
.local-link-url{grid-column:1;font:12px/1.6 ui-monospace,Menlo,Consolas,monospace;color:var(--ui-faint);overflow-wrap:anywhere}
.local-link-go{grid-column:2;grid-row:1/3;font-size:12px;letter-spacing:.16em;color:var(--accent);white-space:nowrap}
.detail-panel .local-wrap .player-controls{position:absolute;inset:14px 14px auto auto;padding:0;background:none}
@media(max-width:1100px){body .toolbar .quick-add-button>span{display:none}}
@media(max-width:700px){
  body .toolbar .quick-add-button .ui-icon{width:18px;height:18px}
  .local-work{padding:26px 20px 22px}
  .local-title{font-size:19px}
  dialog.quick-panel{padding:22px 18px 18px}
}