/* 瓶颈研究台 · iOS 27 Liquid Glass 皮肤
   设计语言:液态玻璃 + iOS 分组列表 + 胶囊分段控件
   约束:所有 JS/测试钩子选择器必须保留,仅改视觉。 */
:root{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:#1c1c1e;background:#f2f2f7;font-size:15px;line-height:1.55;font-synthesis:none;
  --blue:#007aff;--green:#34c759;--red:#ff3b30;--orange:#ff9500;--purple:#af52de;--teal:#5ac8fa;
  --muted:#8e8e93;--line:rgba(60,60,67,.12);
  --glass:rgba(255,255,255,.62);--glass-strong:rgba(255,255,255,.8);
  --cell:rgba(255,255,255,.72);--tint:rgba(0,122,255,.1);
  --shadow:0 8px 30px rgba(0,40,120,.1);
  --r-lg:24px;--r-md:18px;--r-sm:13px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;min-height:100vh;color:inherit;
  background:
    radial-gradient(900px 480px at 8% -4%,rgba(90,200,250,.28),transparent 60%),
    radial-gradient(760px 520px at 96% 6%,rgba(175,82,222,.2),transparent 60%),
    radial-gradient(880px 620px at 50% 110%,rgba(52,199,89,.16),transparent 60%),
    #f2f2f7;
  background-attachment:fixed;
}
button,input,select,textarea,.button{font:inherit;color:inherit}
button,.button{
  border:0;border-radius:999px;background:var(--tint);color:var(--blue);
  padding:8px 16px;cursor:pointer;text-decoration:none;font-weight:600;
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:transform .12s ease,background .15s ease;
}
button:hover,.button:hover{background:rgba(0,122,255,.18)}
button:active,.button:active{transform:scale(.96)}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(0,122,255,.5);outline-offset:2px}
button.primary,#add-company{background:var(--blue);color:#fff;box-shadow:0 4px 14px rgba(0,122,255,.35)}
button.primary:hover,#add-company:hover{background:#0a84ff}
button.danger,#delete-company{background:rgba(255,59,48,.12);color:var(--red)}
button:disabled{opacity:.45;cursor:default}
a{color:var(--blue);text-decoration:none}
h1{font-size:30px;letter-spacing:-.5px;margin:.2em 0}
h2{font-size:21px;letter-spacing:-.3px}h3{font-size:17px}
input,select,textarea{
  background:rgba(255,255,255,.75);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:9px 12px;width:100%;
}
textarea{min-height:76px;resize:vertical}
label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:#3a3a3c;font-weight:600}
/* 顶栏:悬浮玻璃导航 */
.topbar{
  position:sticky;top:10px;z-index:20;margin:10px 14px 0;padding:10px 16px;
  display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;
  background:var(--glass);-webkit-backdrop-filter:blur(24px) saturate(1.6);backdrop-filter:blur(24px) saturate(1.6);
  border:1px solid rgba(255,255,255,.7);border-radius:22px;box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:#1c1c1e}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--muted)}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:19px;background:linear-gradient(145deg,#0a84ff,#5ac8fa 60%,#af52de);
  box-shadow:0 4px 12px rgba(0,122,255,.4);
}
.top-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
#save-state{font-size:12px;color:var(--muted);background:rgba(120,120,128,.12);padding:7px 12px;border-radius:999px}
/* 主体布局 */
.shell{display:grid;grid-template-columns:300px minmax(0,1fr);gap:16px;padding:16px 14px 30px;max-width:1460px;margin:0 auto;align-items:start}
aside{
  background:var(--glass);-webkit-backdrop-filter:blur(24px) saturate(1.6);backdrop-filter:blur(24px) saturate(1.6);
  border:1px solid rgba(255,255,255,.7);border-radius:var(--r-lg);box-shadow:var(--shadow);
  padding:16px;position:sticky;top:86px;
}
.aside-title{display:flex;align-items:center;justify-content:space-between;font-weight:800;font-size:16px;margin-bottom:10px}
#search{margin-bottom:10px;border-radius:999px;background:rgba(120,120,128,.14);border:0;padding:9px 16px}
#company-list{display:flex;flex-direction:column;gap:8px;max-height:60vh;overflow:auto}
.company{
  text-align:left;background:var(--cell);border:1px solid rgba(255,255,255,.8);border-radius:var(--r-md);
  padding:12px 14px;display:block;width:100%;box-shadow:0 2px 8px rgba(0,40,120,.06);
}
.company strong{display:block;font-size:15px;color:#1c1c1e}
.company small{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:2px}
.company.active{background:rgba(0,122,255,.12);border-color:rgba(0,122,255,.35)}
.aside-bottom{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:12px}
.aside-bottom .muted{margin-top:8px}
main{padding:6px 6px 0;min-width:0}
.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:4px 2px 12px}
.eyebrow{font-size:11px;font-weight:800;letter-spacing:2px;color:var(--blue)}
#page-title{margin:.15em 0}#page-subtitle{color:var(--muted);margin:0}
/* 分段控件式 Tabs */
.tabs{
  display:flex;gap:4px;padding:4px;margin:6px 0 14px;overflow-x:auto;
  background:rgba(120,120,128,.16);border-radius:16px;width:fit-content;max-width:100%;
}
.tabs button{
  border-radius:12px;background:transparent;color:#1c1c1e;font-weight:600;white-space:nowrap;
  padding:8px 14px;-webkit-backdrop-filter:none;backdrop-filter:none;
}
.tabs button.active{background:#fff;color:#1c1c1e;box-shadow:0 2px 8px rgba(0,0,0,.14)}
.tabs button:hover{background:rgba(255,255,255,.55)}
/* 玻璃面板 */
.panel{
  background:var(--glass);-webkit-backdrop-filter:blur(24px) saturate(1.6);backdrop-filter:blur(24px) saturate(1.6);
  border:1px solid rgba(255,255,255,.7);border-radius:var(--r-lg);box-shadow:var(--shadow);
  padding:22px;margin-bottom:16px;
}
.panel-header{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-bottom:8px}
.panel-header h2{margin:0}
.fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:12px 0}
.fields.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.fields .full{grid-column:1/-1}
.hint{font-size:12px;color:var(--muted)}.muted{color:var(--muted)}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:700;background:rgba(120,120,128,.16);color:#3a3a3c}
.badge.review{background:rgba(255,149,0,.18);color:#b26a00}
.badge.ready{background:rgba(52,199,89,.18);color:#248a3d}
.badge.rebuild{background:rgba(255,59,48,.14);color:var(--red)}
.badge.demo,.badge.empty{background:rgba(175,82,222,.16);color:#7d3fb5}
/* 九环节 */
.research-grid{display:grid;grid-template-columns:250px minmax(0,1fr);gap:16px;margin-top:12px}
.stages{display:flex;flex-direction:column;gap:8px}
.stage-button{
  display:flex;gap:10px;align-items:center;text-align:left;font-weight:600;
  background:var(--cell);border-radius:var(--r-md);padding:10px 12px;
}
.stage-button small{display:block;font-weight:400;color:var(--muted);font-size:11px}
.stage-button.active{background:rgba(0,122,255,.14);color:var(--blue)}
.stage-number{width:26px;flex-basis:26px;height:26px;line-height:26px;border-radius:50%;text-align:center;font-size:13px;background:rgba(120,120,128,.2);flex-shrink:0}
.stage-button.done .stage-number,.stage-button.active .stage-number{background:var(--blue);color:#fff}
.stage-detail{min-width:0}
.prompts{font-size:12px;color:var(--muted)}
.issues{font-size:12px;color:#b26a00}
/* 证据卡 */
.evidence{background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.8);border-radius:var(--r-md);padding:14px 16px;margin:10px 0}
.evidence-actions{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:6px}
.evidence-meta{font-size:12px;color:var(--muted)}
.evidence-add{margin-top:10px}
/* 表格 */
.table-wrap{overflow-x:auto;border-radius:var(--r-md);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
table{border-collapse:separate;border-spacing:0;width:100%;font-size:13px;background:rgba(255,255,255,.5)}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;color:var(--muted);font-weight:700}
tr:last-child th,tr:last-child td{border-bottom:0}
table.scenarios th:first-child{width:95px}table.scenarios{min-width:560px}
td input{min-width:80px;padding:6px}
.number{font-variant-numeric:tabular-nums}.good{color:#248a3d;font-weight:700}.bad{color:var(--red);font-weight:700}.result-cell{white-space:nowrap}
#compare-body tr{cursor:default}
/* 估值模型卡 */
.model-toolbar{display:flex;gap:16px;flex-wrap:wrap}.model-toolbar label{max-width:260px;flex:1;min-width:140px}
.model-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:18px 0}
.model-cards.simple-cards,.simple-cards{grid-template-columns:repeat(3,minmax(0,1fr))}
.scenario-cards{grid-template-columns:repeat(3,minmax(0,1fr))}
.model-card{
  background:linear-gradient(160deg,rgba(255,255,255,.85),rgba(255,255,255,.5));
  border:1px solid rgba(255,255,255,.85);border-radius:20px;padding:16px;min-width:0;overflow-wrap:anywhere;
  box-shadow:0 4px 16px rgba(0,40,120,.08);
}
.model-card strong{display:block;font-size:27px;margin:8px 0;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.model-card small,.model-card span{display:block;font-size:12px;color:var(--muted)}
.model-segment{border-top:1px solid var(--line);padding:18px 0}
.model-segment summary{font-weight:700;cursor:pointer}
.model-segment summary a{font-size:11px;font-weight:400}
.model-segment table{margin:12px 0}
.model-segment .fields{margin-top:12px}
#plan-results details{margin:18px 0}#plan-results summary{font-weight:700;cursor:pointer}
#workspace details>div.fields{margin-top:16px}#workspace li{overflow-wrap:anywhere}
#plan-results td{white-space:nowrap}
.price-requirement{background:rgba(255,149,0,.1);border-radius:var(--r-md);padding:16px 18px;margin:16px 0}
/* 前瞻 */
.plain-conclusion{font-size:16px;line-height:1.8}
.plain-risk{background:rgba(255,204,0,.14);border-radius:var(--r-md);padding:18px;margin:22px 0}
.plain-risk p{margin-bottom:10px}.plain-assumptions{min-width:540px}
.advanced-model{margin:20px 0}
.advanced-model>summary{cursor:pointer;font-weight:700;padding:16px;border:1px solid rgba(255,255,255,.8);border-radius:var(--r-md);background:rgba(255,255,255,.55)}
.advanced-model[open]>summary{margin-bottom:16px}
.valuation-reading{margin:22px 0}
.score-track{display:inline-block;width:120px;height:8px;background:rgba(120,120,128,.2);border-radius:99px;overflow:hidden;vertical-align:middle;margin-left:8px}
.score-fill{display:block;height:100%;background:linear-gradient(90deg,var(--teal),var(--green));border-radius:99px}
.outlook .model-cards{margin:12px 0}.outlook h3{margin-top:18px}
.valuation-status .model-cards{margin:12px 0}
.audit-warning{display:inline-block;background:rgba(255,149,0,.16);color:#b26a00;border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700}
.beliefs .hint{margin:6px 0}
.empty-state{text-align:center;padding:45px 20px;color:var(--muted)}
.empty-state h2{color:#3a3a3c}.empty-state p{max-width:560px;margin:0 auto 16px}
.notice{border:0;border-radius:var(--r-md);background:rgba(175,82,222,.12);padding:12px 16px;font-size:12px;margin-bottom:18px;color:#5b2d8e}
.history-item{border-top:1px solid var(--line);padding:16px 0}
.history-item p{margin:8px 0;white-space:pre-wrap}
.history-item summary{cursor:pointer;font-size:12px;color:var(--muted)}
footer{margin-top:26px;padding:18px 4px 8px;color:var(--muted);font-size:11px;text-align:center}
footer a{margin-left:8px}
#message{font-size:12px;color:var(--blue);min-height:20px;overflow-wrap:anywhere}
dialog{border:1px solid rgba(255,255,255,.8);border-radius:22px;max-width:660px;width:calc(100% - 30px);padding:28px;color:#1c1c1e;background:rgba(255,255,255,.88);-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);box-shadow:0 20px 60px rgba(0,40,120,.25)}
dialog::backdrop{background:rgba(20,30,60,.35);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.dialog-head{display:flex;gap:14px;justify-content:space-between;align-items:start}
dialog p,dialog li{font-size:13px}
.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}
hr{border:0;border-top:1px solid var(--line);margin:22px 0}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
/* 响应式 */
@media(min-width:1500px){main{padding:10px 30px 0}}
@media(max-width:1050px){
  .topbar{align-items:start}
  .brand{flex-shrink:0}.top-actions{justify-content:flex-end}
  .shell{grid-template-columns:210px minmax(0,1fr)}
  .research-grid{grid-template-columns:1fr}
  .stages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
  .stage-button{padding:8px 5px;font-size:12px}.stage-button small{font-size:10px}
  .fields{grid-template-columns:repeat(2,minmax(0,1fr))}
  .model-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:700px){
  .topbar{padding:14px;display:block;margin:8px 8px 0}.top-actions{justify-content:flex-start;margin-top:12px;gap:7px}
  .top-actions button,.top-actions .button{font-size:12px;padding:7px 12px}
  #save-state{width:100%;margin:0;text-align:center}
  .shell{display:block;padding:10px 8px 24px}
  aside{position:static;padding:14px;margin-bottom:12px}
  #company-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-height:none}
  .aside-bottom{margin-top:12px;padding-top:10px}.aside-bottom p:first-child{display:none}.aside-bottom .muted{margin-top:8px}
  main{padding:0 2px}h1{font-size:25px}
  .page-heading{display:block}.page-heading button{font-size:12px;margin-top:6px}
  .panel{padding:17px}.fields,.fields.two{grid-template-columns:1fr}
  .stage-button{font-size:11px;gap:5px}.stage-number{width:22px;flex-basis:22px;height:22px;line-height:22px}
  .stage-button small{display:none}.tabs{margin-top:12px}
  .panel-header{align-items:flex-start}.panel-header h2{font-size:18px}
  .model-cards,.simple-cards,.scenario-cards{grid-template-columns:1fr}
  .tabs{gap:2px}.tabs button{font-size:12px;padding:7px 10px}.model-card strong{font-size:25px}
}
@media(max-width:480px){.model-cards{grid-template-columns:1fr}.tabs{flex-wrap:wrap}}
/* 深色模式:深空灰玻璃 */
@media(prefers-color-scheme:dark){
  :root{color:#f5f5f7;background:#000;color-scheme:dark;--muted:#98989f;--line:rgba(255,255,255,.14);
    --glass:rgba(28,28,32,.6);--glass-strong:rgba(40,40,46,.75);--cell:rgba(44,44,48,.6);--tint:rgba(10,132,255,.22);
    --shadow:0 8px 30px rgba(0,0,0,.5)}
  body{background:radial-gradient(900px 480px at 8% -4%,rgba(10,132,255,.25),transparent 60%),radial-gradient(760px 520px at 96% 6%,rgba(175,82,222,.22),transparent 60%),radial-gradient(880px 620px at 50% 110%,rgba(48,209,88,.12),transparent 60%),#000}
  .topbar,aside,.panel{border-color:rgba(255,255,255,.14)}
  .brand,.company strong,.tabs button{color:#f5f5f7}
  .tabs{background:rgba(255,255,255,.1)}.tabs button.active{background:rgba(80,80,86,.9);color:#fff}
  input,select,textarea{background:rgba(60,60,66,.7);color:#f5f5f7}
  label{color:#c7c7cc}
  table{background:rgba(30,30,34,.5)}th{color:#98989f}
  .model-card{background:linear-gradient(160deg,rgba(60,60,66,.7),rgba(40,40,46,.5));border-color:rgba(255,255,255,.12)}
  .evidence,.stage-button{background:rgba(50,50,56,.55);border-color:rgba(255,255,255,.1)}
  .company{background:rgba(50,50,56,.55);border-color:rgba(255,255,255,.1)}
  .company.active{background:rgba(10,132,255,.25);border-color:rgba(10,132,255,.5)}
  .plain-risk{background:rgba(255,204,0,.12)}
  .notice{background:rgba(175,82,222,.2);color:#d9b8ff}
  #search{background:rgba(255,255,255,.12)}
  .advanced-model>summary{background:rgba(50,50,56,.55);border-color:rgba(255,255,255,.1)}
  dialog{background:rgba(32,32,36,.9);color:#f5f5f7;border-color:rgba(255,255,255,.15)}
  .badge{background:rgba(255,255,255,.14);color:#e5e5ea}
  .empty-state h2{color:#e5e5ea}
}


.deep-actions{display:flex;flex-wrap:wrap;gap:8px}.deep-panel .panel-header{align-items:flex-start;flex-wrap:wrap}.deep-panel progress{width:100%;height:9px;accent-color:var(--blue)}.deep-steps{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.deep-steps span{font-size:12px;padding:5px 9px;border-radius:999px;background:rgba(120,120,128,.1);color:var(--muted)}.deep-steps .done{color:var(--green);background:rgba(52,199,89,.1)}.deep-steps .working{color:var(--blue);background:var(--tint)}#deep-status{overflow-wrap:anywhere}#deep-settings-dialog{max-width:680px}#deep-settings-dialog .fields{margin:18px 0}

.research-narrative{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8}

.reader-summary{max-width:840px;margin:16px 0 24px}.reader-lead{font-size:17px;font-weight:650;line-height:1.7;margin:0 0 14px}.reader-summary ul{padding-left:20px;line-height:1.8}.reader-summary li{margin:10px 0}.reader-risk{padding:14px 18px;border-left:3px solid var(--orange);background:rgba(255,149,0,.06);border-radius:8px;margin-top:18px}.reader-full{margin:14px 0;color:var(--muted);font-size:13px}.reader-full p{color:var(--muted);line-height:1.85;max-width:80ch;margin:14px 0;overflow-wrap:anywhere}.reader-full summary{cursor:pointer;color:var(--blue)}.evidence>p{line-height:1.8;max-width:80ch}.evidence{padding:20px!important}