/* Content ledger: one neutral canvas, one action color, readable comparison rows. */
:root{--ledger-paper:#f6f8fa;--ledger-panel:#fff;--ledger-ink:#1b2735;--ledger-secondary:#536173;--ledger-meta:#657386;--ledger-line:#dce3e9;--ledger-accent:#007f79;--ledger-selection:#e1f3f0;--ledger-inset:#edf1f4;--bg:var(--ledger-paper);--surface:var(--ledger-panel);--ink:var(--ledger-ink);--muted:var(--ledger-meta);--line:var(--ledger-line);--accent:var(--ledger-accent);--nav:var(--ledger-paper);--radius:12px;font-family:"Avenir Next","PingFang SC","Microsoft YaHei",sans-serif;color-scheme:light}
html{scroll-padding-top:88px;-webkit-font-smoothing:antialiased}body{line-height:1.5}h1,h2,h3{text-wrap:balance}p{text-wrap:pretty}button,input,select,textarea,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}:focus-visible{outline:3px solid var(--ledger-accent);outline-offset:3px}.skip-link{position:fixed;top:8px;left:8px;transform:translateY(-160%);z-index:150;background:var(--ledger-ink);color:white;padding:12px 20px;border-radius:8px}.skip-link:focus{transform:none}[hidden]{display:none!important}
.sidebar{width:216px;padding:28px 16px 20px;color:var(--ledger-secondary);border-right:1px solid var(--line);background:var(--bg)}main{margin-left:216px}.brand{color:var(--ink);font-size:1.2rem;gap:12px;letter-spacing:0}.brand-mark{background:var(--ink);border:0;border-radius:10px;width:40px;height:40px;line-height:40px;font-size:1.4rem}.brand small{letter-spacing:0;color:var(--ledger-meta);font-size:.75rem;margin-top:3px;font-weight:400}.nav-label{margin:40px 12px 12px;font-size:.75rem;letter-spacing:0;color:var(--ledger-meta)}.nav-item{font-size:.875rem;color:var(--ledger-secondary);min-height:44px;padding:12px;gap:12px;border-radius:8px}.nav-item:hover{background:var(--ledger-inset);color:var(--ink)}.nav-item.active{background:var(--ledger-selection);color:#006760}.nav-count{font-size:.75rem;letter-spacing:0;border:0;color:var(--ledger-meta)}.sidebar-note{border:0;padding:20px 0;margin:auto 8px 24px}.sidebar-note strong{color:var(--ledger-secondary);font-size:.875rem}.sidebar-note p{color:var(--ledger-meta);font-size:.75rem;margin-left:0}.sidebar-note .live-dot{display:none}.sidebar-bottom{padding-top:16px;border-top:1px solid var(--line);font-size:.875rem;color:var(--ink);min-width:0}.sidebar-bottom>div{min-width:0;overflow-wrap:anywhere}.sidebar-bottom small{color:var(--ledger-meta);font-size:.75rem}.workspace-avatar{background:var(--ledger-inset);color:var(--ledger-secondary);flex-shrink:0}
.topbar{height:68px;background:var(--bg);padding:0 32px;border-bottom:1px solid var(--line)}.breadcrumb{font-size:.875rem;color:var(--ledger-secondary)}.breadcrumb b{color:var(--ink)}.page{padding:28px 32px 20px;max-width:1880px}.page-heading{margin-bottom:20px;align-items:flex-start}.page-heading h1{font-size:1.75rem;letter-spacing:-.03em;line-height:1.3;font-weight:650}.page-heading p{font-size:.875rem;color:var(--ledger-secondary);margin-top:8px;max-width:65ch}.eyebrow,.heading-dot{display:none}.button,.button.subtle{min-height:44px;font-size:.875rem;font-weight:550;border-color:var(--line);border-radius:8px;background:var(--surface);box-shadow:none;padding:10px 14px}.button:hover{background:var(--ledger-inset);border-color:#aebac6}.button.primary{background:var(--accent);color:white;border-color:var(--accent);box-shadow:none}.button.primary:hover{background:#006760;border-color:#006760}.button:active,.copy-button:active{transform:scale(.98)}button:disabled{opacity:.5}.badge{font-size:.75rem;letter-spacing:0}.badge.demo{background:#fff2d6;color:#785311}.badge.live{background:var(--ledger-selection);color:#006760}.demo-banner{background:var(--ledger-panel);border:1px dashed #bcc9d1;color:var(--ledger-secondary);font-size:.875rem;padding:10px 14px;line-height:1.65;margin-bottom:16px}.demo-banner>span:last-child{font-size:.75rem}.mini-pill{font-size:.75rem;letter-spacing:0;border-color:#bdc9d2;color:var(--ledger-secondary)}
.filterbar{padding:0 0 20px;gap:12px}.filter-label{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:0 10px;min-height:44px}.filter-label select{background:var(--surface);color:var(--ink);font-size:.875rem;padding:10px 0;max-width:240px}.filter-label svg{color:var(--ledger-meta)}.filter-divider{display:none}.filter-tip{font-size:.75rem;color:var(--ledger-meta)}.text-button{font-size:.875rem;color:var(--accent);min-height:44px;padding:8px}.text-button:hover{text-decoration:underline;text-underline-offset:4px}.stats-grid{gap:0;border:1px solid var(--line);border-radius:12px;background:var(--surface);margin-bottom:20px;overflow:hidden}.stat,.stat.highlight{background:var(--surface);border:0;border-right:1px solid var(--line);border-radius:0;padding:20px 24px}.stat:last-child{border-right:0}.stat-top{font-size:.875rem;color:var(--ledger-secondary)}.stat-top>span{background:none;color:var(--ledger-meta);width:auto;height:auto}.stat strong{font-size:1.75rem;letter-spacing:-.035em;font-weight:600;margin:10px 0 6px}.stat.highlight strong{color:var(--ledger-accent);font-weight:700}.stat.highlight .stat-top>span{background:none;color:var(--ledger-accent)}.stat small{font-size:.75rem;color:var(--ledger-meta)}
.insight-grid{gap:20px;margin-bottom:20px;grid-template-columns:minmax(0,1.7fr) minmax(260px,1fr)}.panel{box-shadow:none;border-color:var(--line)}.panel-heading{padding:18px 20px}.panel-heading h2,.table-heading h2{font-size:1rem;font-weight:650}.panel-heading p,.table-heading p{font-size:.75rem;color:var(--ledger-meta);margin-top:6px}.tiny-tag{font-size:.75rem;letter-spacing:0;background:var(--ledger-inset);color:var(--ledger-secondary)}.legend-dot{font-size:.75rem;color:var(--ledger-secondary)}.trend-chart{height:136px}.chart-labels{font-size:.75rem;color:var(--ledger-meta);padding:12px 20px 16px;flex-wrap:wrap}.chart-labels span:nth-child(2){max-width:65%;font-size:.75rem}.rank-item{min-height:50px;padding:8px 0;border-color:var(--line)}.rank-name{font-size:.875rem}.rank-name small{font-size:.75rem;color:var(--ledger-meta)}.rank-number{font-size:.75rem;color:var(--ledger-meta)}.rank-item strong{font-size:.875rem}.account-dot,.tone-0,.tone-1,.tone-2,.tone-3{font-family:inherit;background:var(--ledger-inset);color:var(--ledger-secondary)}
.table-heading{padding:20px;gap:16px}.count-pill{font-size:.75rem;color:var(--ledger-secondary);background:var(--ledger-inset)}.search{min-height:44px;background:var(--ledger-inset);border-color:transparent;padding:10px 12px}.search:focus-within{outline:2px solid var(--accent);outline-offset:2px}.search input{width:240px;font-size:.875rem;color:var(--ink)}.search input::placeholder{color:var(--ledger-meta)}.min-views{display:flex;align-items:center;gap:8px;color:var(--ledger-secondary);font-size:.875rem}.min-views input{width:84px;min-height:44px;font-size:.875rem;background:var(--ledger-inset);border-color:var(--line)}.table-scroll{overscroll-behavior-x:contain}table{font-size:.875rem}th{padding:8px 16px;color:var(--ledger-secondary);background:var(--ledger-paper);font-size:.75rem;border-color:var(--line)}th button{min-height:36px;font-size:.75rem}th[aria-sort]:not([aria-sort="none"]){color:var(--ledger-accent);background:var(--ledger-selection)}td{padding:14px 16px;border-color:#e8edf1}.num{font-size:.875rem}.emphasis{font-weight:650;color:var(--ink)}tbody tr:hover{background:#f1f7f6}.video-col{min-width:300px}.video-title-button{gap:12px;min-height:64px}.cover{width:44px;height:64px;border-radius:6px;outline:1px solid #00000012;outline-offset:-1px}.cover.missing{background:var(--ledger-inset);color:var(--ledger-meta)}.video-description>strong{font-size:.875rem;font-weight:600;max-width:380px;line-height:1.55}.video-description>span{font-size:.75rem;color:var(--ledger-secondary);white-space:normal;flex-wrap:wrap;gap:4px;margin-top:6px}.mini-avatar{display:none}.video-description i{color:var(--ledger-meta)}.time-button{min-height:52px;justify-content:center;gap:6px}.time-button strong{font-size:.875rem;color:var(--ink);font-weight:500}.time-button>span,.time-button b{font-size:.75rem;color:var(--ledger-secondary)}.time-button b{background:var(--ledger-inset);padding:2px 5px}.time-button svg{color:var(--accent)}.copy-button{width:44px;height:44px;border:0;color:var(--ledger-secondary);background:var(--ledger-inset)}.copy-button:hover{background:var(--ledger-selection);color:var(--accent)}.pagination{padding:14px 20px;font-size:.875rem;color:var(--ledger-secondary);align-items:center;flex-wrap:wrap}.pagination select{min-height:40px;font-size:.875rem}.pagination .icon-button{width:44px;height:44px}.page-current{font-size:.875rem;color:#006760;background:var(--ledger-selection)}.data-note{font-size:.75rem;color:var(--ledger-secondary);line-height:1.75}.muted{color:var(--ledger-meta);font-size:.875rem}.empty{color:var(--ledger-secondary)}.empty h2{color:var(--ink)}.empty p{font-size:1rem}.loading{color:var(--ledger-secondary)}footer{font-size:.75rem;color:var(--ledger-meta);margin-top:28px}footer span{letter-spacing:0;font-size:.75rem}
.account-card{padding:24px}.account-card-head h3{font-size:1rem}.account-card-head p,.account-numbers small,.account-timezone{font-size:.875rem;color:var(--ledger-secondary)}.account-card-head>div{min-width:0;overflow-wrap:anywhere}.account-card-footer{font-size:.75rem;color:var(--ledger-meta);gap:8px;flex-wrap:wrap}.account-numbers strong{font-variant-numeric:tabular-nums}.info-card p,.sync-status p{color:var(--ledger-secondary);font-size:1rem;line-height:1.7}.step-label{font-size:.75rem;letter-spacing:0;color:var(--accent)}.status-success{font-size:.75rem;color:#006760;background:var(--ledger-selection)}
dialog{border-color:var(--line);border-radius:16px;max-height:calc(100dvh - 40px);padding:32px;overscroll-behavior:contain;scroll-padding-block:24px}.dialog-close{width:44px;height:44px;border-radius:8px;background:var(--ledger-inset);color:var(--ledger-secondary);top:12px;right:12px}dialog h2{font-size:1.375rem}dialog p,.dialog-note{color:var(--ledger-secondary);font-size:1rem}.dialog-note{font-size:.875rem!important}.time-row{border:0;border-radius:8px;background:var(--ledger-paper);padding:16px;font-size:.875rem}.time-row.selected{background:var(--ledger-selection)}.time-row small{font-size:.75rem;color:var(--ledger-secondary)}.time-row strong{font-size:1rem}.detail-metrics span{font-size:.875rem;color:var(--ledger-secondary)}.detail-metrics strong{font-size:1.25rem}.snapshot-table td{font-size:.875rem}.detail-top .cover.large{width:144px;height:208px}.error-text{color:#b22b28!important}form label{font-size:.875rem;color:var(--ledger-secondary)}form input,form select,textarea{background:var(--ledger-paper);font-size:1rem;min-height:44px;color:var(--ink);border-color:var(--line)}#toast{transition:opacity 160ms,transform 160ms;font-size:.875rem;background:var(--ink)}body:has(dialog[open]){overflow:hidden}
.auth-page{background:var(--bg)}.auth-card{border-radius:16px;box-shadow:0 8px 32px #1b27350a;border-color:var(--line);grid-template-columns:1fr 1fr;min-height:580px}.auth-aside{background:var(--ledger-inset);color:var(--ink);padding:44px}.auth-kicker{color:var(--ledger-secondary);font-size:.875rem;letter-spacing:0}.auth-aside h1{font-size:2rem;line-height:1.5;font-weight:600}.auth-aside p,.auth-private{color:var(--ledger-secondary)}.auth-panel{padding:44px}.auth-panel h2{font-weight:650}.auth-description,.auth-help,.auth-notice{color:var(--ledger-secondary)}.auth-panel .eyebrow{display:none}.auth-demo-note,.auth-footer{color:var(--ledger-meta)}.auth-preview{color:var(--accent);min-height:44px}.auth-submit{width:100%;justify-content:center}.auth-submit>span{display:none}
@media(min-width:1280px){.table-scroll td:first-child,.table-scroll th:first-child{position:sticky;left:0;background:var(--surface);z-index:1}.table-scroll th:first-child{background:var(--ledger-paper)}.table-scroll tr:hover td:first-child{background:#f1f7f6}}
@media(max-width:1200px){.sidebar{width:192px;padding-inline:12px}main{margin-left:192px}.page{padding:24px}.topbar{padding-inline:24px}.table-heading{align-items:flex-start;flex-direction:column}.table-tools{width:100%}.search{flex:1}.search input{width:100%}.stat,.stat.highlight{padding:16px}.stat strong{font-size:1.5rem}.accounts-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:980px){.sidebar{width:76px;padding:24px 12px}main{margin-left:76px}.brand>span:last-child,.sidebar-bottom{display:none}.nav-item{font-size:0;padding:12px;justify-content:center;gap:0}.nav-item svg{width:22px;height:22px}.insight-grid{grid-template-columns:1fr}.ranking{display:none}.stat small{font-size:.75rem}}
@media(max-width:700px){.sidebar{width:100%;height:64px;padding:8px 12px;flex-direction:row;border-right:0;border-bottom:1px solid var(--line);background:var(--bg)}main{margin-left:0}.sidebar nav{margin:0 0 0 auto;gap:4px}.nav-item{padding:10px;min-width:44px}.nav-item.active{background:var(--ledger-selection)}.topbar{height:auto;min-height:60px;padding:10px 16px;flex-wrap:wrap}.header-actions{margin-left:auto}.header-actions .button{font-size:.875rem;min-height:40px}.page{padding:20px 16px}.page-heading{gap:12px}.page-heading h1{font-size:1.5rem}.page-actions{justify-content:flex-start;gap:8px}.page-actions .button{min-height:44px;font-size:.875rem}.badge{font-size:.75rem}.demo-banner{font-size:.875rem;flex-wrap:wrap}.filterbar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.filter-label{min-width:0;padding:0 8px}.filter-label select{min-width:0;width:100%;max-width:none;font-size:.875rem}.filterbar>.text-button{margin-left:0;text-align:left}.filter-tip{display:none}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:0}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.stat,.stat.highlight{padding:16px}.stat strong{font-size:1.5rem}.stat-top{font-size:.875rem}.stat-top>span{display:none}.table-heading{padding:16px}.table-tools{flex-wrap:wrap;gap:8px}.search{flex-basis:100%}.search input{font-size:1rem}.min-views{display:flex}.min-views input{font-size:1rem}.chart-labels{font-size:.75rem}.chart-labels span:nth-child(2){max-width:100%;order:3;flex-basis:100%;text-align:left}.pagination{padding:12px 16px;font-size:.875rem;gap:12px}.pagination label{display:block;font-size:.75rem;margin-right:0}.pagination>div{gap:6px}.data-note{font-size:.75rem}.accounts-grid{grid-template-columns:1fr}.auth-page{padding:20px 16px}.auth-card{grid-template-columns:1fr;min-height:0}.auth-aside{padding:28px;gap:20px}.auth-aside h1{font-size:1.5rem}.auth-panel{padding:28px}.auth-brand{font-size:1.125rem}.auth-footer{font-size:.75rem}.time-row strong{white-space:normal;overflow-wrap:anywhere}dialog{padding:24px 20px;max-height:calc(100dvh - 24px);width:calc(100vw - 24px)}.dialog-close{right:8px;top:8px}.detail-top .cover.large{width:108px;height:156px}.detail-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}footer{font-size:.75rem}.account-card-head{flex-wrap:wrap}}
/* Premium finish: layered paper, quiet ink, motion tied to an action. */
:root{
  --ledger-paper:#f3f6f8;
  --ledger-inset:#edf2f5;
  --ledger-line:#dfe6eb;
  --ledger-auth:#15333e;
  --ledger-auth-text:#f4fafb;
  --ledger-auth-muted:#b7d1d6;
  --ledger-depth:0 1px 2px #142d3d04,0 8px 24px #142d3d04;
  --ledger-ease:cubic-bezier(.23,1,.32,1);
}
.sidebar{background:var(--ledger-panel);border-right-color:var(--ledger-line)}
.brand-mark{box-shadow:inset 0 1px 0 #ffffff24,0 4px 10px #142d3d12}
.topbar{background:var(--ledger-paper)}
.page-heading h1{font-size:2rem;font-weight:600;letter-spacing:-.045em}
.page-heading{margin-bottom:24px}
.nav-item{position:relative;transition:transform 180ms var(--ledger-ease)}
.nav-item.active{box-shadow:inset 3px 0 0 var(--ledger-accent)}
.nav-item:active{transform:scale(.98)}
.stats-grid,.panel{border-radius:16px;box-shadow:var(--ledger-depth)}
.stat,.stat.highlight{padding:24px}
.stat strong{font-size:2rem;font-variant-numeric:tabular-nums}
.table-panel{box-shadow:0 1px 2px #142d3d04,0 12px 36px #142d3d05}
.table-heading{padding:24px}
.table-heading h2{font-size:1.125rem}
.button,.button.subtle,.copy-button,.icon-button,.auth-preview{
  position:relative;isolation:isolate;
  border-radius:10px;
  transition:transform 180ms var(--ledger-ease),opacity 180ms var(--ledger-ease);
}
.button{box-shadow:0 1px 2px #142d3d06}
.button.primary{box-shadow:inset 0 1px 0 #ffffff26,0 3px 8px #007f791a}
.button.primary::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(110deg,transparent 20%,#ffffff0a 48%,transparent 76%);
  opacity:0;transform:translateX(-28%);
  transition:transform 280ms var(--ledger-ease),opacity 180ms var(--ledger-ease);
}
.button.primary{overflow:hidden}
.button.primary:focus-visible::after{opacity:1;transform:translateX(12%)}
@media(hover:hover) and (pointer:fine){
  .button:not(:disabled):hover,.copy-button:not(:disabled):hover,.icon-button:not(:disabled):hover,.auth-preview:not(:disabled):hover{transform:translateY(-2px)}
  .button.primary:not(:disabled):hover::after{opacity:1;transform:translateX(12%)}
  .nav-item:hover{transform:translateX(2px)}
}
.button:not(:disabled):active,.copy-button:not(:disabled):active,.icon-button:not(:disabled):active,.auth-preview:not(:disabled):active{transform:scale(.97);transition-duration:100ms}
.button:disabled,.copy-button:disabled,.icon-button:disabled,.auth-preview:disabled{transform:none;cursor:not-allowed}
.button:disabled::after{opacity:0}
.filter-label:focus-within{outline:2px solid var(--ledger-accent);outline-offset:2px}
.filter-label,.search,.min-views input{border-radius:10px}
dialog{border:1px solid var(--ledger-line);border-radius:20px;box-shadow:0 24px 80px #142d3d30}
dialog[open]{animation:ledger-dialog-in 240ms var(--ledger-ease) both}
dialog::backdrop{background:#10273566}
dialog[open]::backdrop{animation:ledger-fade-in 200ms var(--ledger-ease) both}
.dialog-close{transition:transform 160ms var(--ledger-ease)}
.dialog-close:active{transform:scale(.95)}
.auth-page{min-height:100dvh;background:var(--ledger-paper);padding:32px clamp(24px,5vw,80px);gap:32px}
.auth-brand{letter-spacing:-.015em;font-size:1.25rem;margin:0;gap:12px}
.auth-card{
  width:min(1120px,100%);grid-template-columns:1.08fr 1fr;min-height:640px;
  border:1px solid #d6e1e6;border-radius:24px;
  box-shadow:0 2px 4px #15333e04,0 24px 64px #15333e0d;
  animation:ledger-auth-in 480ms var(--ledger-ease) both;
}
.auth-aside{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--ledger-auth);color:var(--ledger-auth-text);
  padding:52px;gap:44px;
}
.auth-aside::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(145deg,#ffffff09,transparent 65%);
}
.auth-aside::after{
  content:"";position:absolute;top:52px;right:0;bottom:52px;width:1px;
  background:var(--ledger-auth-muted);opacity:.2;transform-origin:top;
  animation:ledger-line-in 600ms 80ms var(--ledger-ease) both;pointer-events:none;
}
.auth-kicker{color:var(--ledger-auth-muted);font-size:.875rem;font-weight:500;letter-spacing:0}
.auth-aside h1{font-size:clamp(2rem,3.3vw,3rem);font-weight:500;line-height:1.4;letter-spacing:-.045em;margin-bottom:24px;color:var(--ledger-auth-text)}
.auth-aside p{color:var(--ledger-auth-muted);font-size:1rem;line-height:1.8}
.auth-private{color:var(--ledger-auth-muted);padding-top:24px;border-top:1px solid #b7d1d626;gap:12px}
.auth-panel{padding:52px;background:var(--ledger-panel)}
.auth-panel h2{font-size:2rem;font-weight:600;line-height:1.3;letter-spacing:-.045em;margin:0 0 12px}
.auth-description{font-size:.875rem;margin-bottom:32px}
.auth-panel input{height:52px;border-radius:10px;background:var(--ledger-paper);border-color:var(--ledger-line);margin-top:8px;padding-inline:16px;font-size:1rem}
.auth-panel input:focus{background:var(--ledger-panel);border-color:var(--ledger-accent)}
.auth-panel input:focus-visible,.auth-panel button:focus-visible{outline:3px solid var(--ledger-accent);outline-offset:3px}
.auth-panel form label{margin-bottom:24px;font-weight:500;color:var(--ledger-ink)}
.password-field input{padding-right:68px}
.password-field button{height:52px;right:12px;color:var(--ledger-secondary)}
.auth-submit{height:52px;font-size:1rem;gap:12px}
.auth-submit>span{display:inline-flex;transition:transform 180ms var(--ledger-ease)}
.auth-submit:not(:disabled):is(:hover,:focus-visible)>span{transform:translateX(4px)}
.auth-submit[aria-busy=true]{opacity:.8}
.auth-submit[aria-busy=true]::before{content:"";width:16px;height:16px;border:2px solid #ffffff55;border-top-color:white;border-radius:50%;animation:ledger-spin 800ms linear infinite}
.auth-notice{background:var(--ledger-paper);border:1px solid var(--ledger-line);border-radius:10px;font-size:.875rem;padding:12px 16px;margin-top:20px}
.auth-preview{border:1px solid var(--ledger-line);padding:12px 16px;margin-top:8px;background:var(--ledger-panel)}
.auth-preview:hover{background:var(--ledger-selection);border-color:#b5d8d4}
.auth-demo-note{margin-top:12px}
.auth-help{padding-top:20px;border-top:1px solid var(--ledger-line)}
.auth-footer{width:min(1120px,100%);margin-top:0;letter-spacing:0}
.auth-panel>h2,.auth-panel>.auth-description,.auth-panel>form{animation:ledger-content-in 420ms var(--ledger-ease) both}
.auth-panel>h2{animation-delay:100ms}.auth-panel>.auth-description{animation-delay:140ms}.auth-panel>form{animation-delay:180ms}
@keyframes ledger-auth-in{from{opacity:0;transform:translateY(16px) scale(.99)}to{opacity:1;transform:none}}
@keyframes ledger-content-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes ledger-line-in{from{opacity:0;transform:scaleY(.6)}to{opacity:.2;transform:scaleY(1)}}
@keyframes ledger-dialog-in{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
@keyframes ledger-fade-in{from{opacity:0}to{opacity:1}}
@keyframes ledger-spin{to{transform:rotate(360deg)}}
@media(max-width:1200px){.stat,.stat.highlight{padding:20px}.stat strong{font-size:1.75rem}.auth-aside,.auth-panel{padding:40px}}
@media(max-width:760px){
  .auth-page{padding:24px 16px;gap:24px}.auth-card{grid-template-columns:1fr;min-height:0;border-radius:20px;margin:0}
  .auth-aside{padding:28px;gap:24px}.auth-aside h1{font-size:1.875rem;margin:0 0 12px;line-height:1.45}
  .auth-aside p{margin:0}.auth-private{display:none}.auth-aside::after{top:auto;left:28px;right:28px;bottom:0;height:1px;width:auto}
  .auth-panel{padding:32px 28px}.auth-panel h2{font-size:1.625rem}.auth-description{margin-bottom:24px}.auth-footer{gap:16px;flex-wrap:wrap}
  .page-heading h1{font-size:1.5rem}.table-heading{padding:20px 16px}.stat,.stat.highlight{padding:16px}.stat strong{font-size:1.5rem}
}
@media(max-width:380px){.auth-aside,.auth-panel{padding:24px}.auth-aside h1{font-size:1.75rem}}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .button,.copy-button,.icon-button,.auth-preview,.nav-item,.dialog-close,.auth-submit>span{transform:none!important}
}

/* Independent minimal redesign, preview only. */
:root{--ledger-paper:#fff;--ledger-panel:#fff;--ledger-inset:#f5f7f8;--ledger-line:#e6ebed;--ledger-accent:#216d66;--ledger-selection:#edf5f3;--bg:#fff;--surface:#fff;--nav:#fafcfc;--ink:#28333c;--muted:#74808b;--line:#e6ebed;--accent:#216d66;--ledger-depth:none}
.sidebar{background:#fafcfc}.sidebar-note,.sidebar-bottom,.brand small,.nav-label,.nav-count{display:none}.brand{font-size:17px;margin-bottom:28px}.brand-mark{box-shadow:none;background:transparent;color:var(--accent);border:1px solid #a8c8c4;border-radius:5px;font-size:18px;width:30px;height:32px;line-height:30px}.nav-item{font-size:13px;transform:none!important;transition:background 140ms}.nav-item.active{box-shadow:none}.topbar{height:64px;background:white}.page{padding-top:28px}.page-heading{margin-bottom:26px}.page-heading h1{font-size:28px;letter-spacing:-.7px;font-weight:600;line-height:1.4}.page-heading p{display:none}.page-actions .button,.header-actions .button{font-size:13px}.button,.button.subtle,.icon-button,.copy-button{border-radius:6px;box-shadow:none!important;transform:none!important}.button:after{display:none!important}.button.primary{background:#2c635e;box-shadow:none;border-color:#2c635e}.filterbar{padding-bottom:22px;gap:10px}.filter-label{border-radius:6px;background:#fafbfc;border-color:#e8edef}.filter-label select{background:transparent;font-size:13px}.stats-grid{border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;margin-bottom:24px}.stat,.stat.highlight{padding:16px 24px 26px;background:white;border-color:var(--line)}.stat:first-child{padding-left:0}.stat strong{font-size:30px;font-weight:550;letter-spacing:-.9px}.stat-top{font-size:12px}.stat small{font-size:11px}.stat.highlight strong{color:var(--ink);font-weight:600}.stat-top>span{display:none}.panel,.table-panel{border-radius:8px;box-shadow:none;border-color:var(--line)}.insight-grid{gap:24px}.panel-heading{padding:18px 20px}.panel-heading h2,.table-heading h2{font-size:15px;font-weight:550}.panel-heading p,.table-heading p{display:none}.table-heading{padding:20px}.table-heading .count-pill{font-size:11px}.search{background:#f6f8f9;border-radius:6px}.search input{font-size:13px}.min-views{font-size:12px}.min-views input{border-radius:6px}.table-panel th{font-size:11px;background:#fafcfc}td{font-size:13px;padding:13px 16px}.video-description>strong{font-size:13px;font-weight:500}.video-description>span{font-size:11px}.num{font-size:13px}.time-button strong{font-size:12px}.time-button>span{font-size:11px}.copy-button{background:transparent}.cover{border-radius:4px}.page footer{font-size:11px;border-top:1px solid var(--line);padding-top:20px}.page footer>span{display:none}.account-card{border-radius:8px;box-shadow:none}.page-heading,.stats-grid,.panel,.auth-card{animation:none!important}.badge{font-size:11px}dialog{border-radius:12px;box-shadow:0 20px 70px #253d4320}.demo-banner{background:#fafcfc;font-size:12px}.demo-banner .mini-pill{display:none}
@media(max-width:700px){.page{padding:22px 16px}.page-heading h1{font-size:24px}.page-heading{margin-bottom:18px}.stat,.stat.highlight{padding:16px!important}.stat strong{font-size:25px}.stat:first-child{padding-left:16px}.stats-grid{border:1px solid var(--line);border-radius:6px}.table-heading{padding:16px}.filterbar{gap:8px}.page-actions{gap:8px}.nav-item{font-size:0}}

.minimal-login{--login-paper:#fbfbfc;--login-ink:#242731;--login-muted:#696d78;--login-line:#d8dbe2;--login-accent:#323846;--login-wash:#ffffff;position:relative;isolation:isolate;min-height:100dvh;width:100%;margin:0!important;display:flex;align-items:center;justify-content:flex-end;padding:110px max(9vw,40px) 110px 40px;overflow:hidden;background:var(--login-paper);color:var(--login-ink);font-family:"Avenir Next","PingFang SC","Microsoft YaHei",sans-serif}
.minimal-login[data-site=doubao]{--login-accent:#4955a0;--login-paper:#fafbfe;--login-line:#d9dfeb}
.minimal-login[data-site=tkdata]{--login-accent:#126d64;--login-paper:#f9fcfb;--login-line:#d6e2df}
.minimal-login *{box-sizing:border-box}.minimal-login a{color:inherit;text-decoration:none}.minimal-login:before,.minimal-login:after{display:none!important}
.minimal-login-brand{position:absolute;top:36px;left:48px;display:flex;align-items:center;gap:12px;font-size:17px;font-weight:650;letter-spacing:-.3px;z-index:2}
.minimal-login-brand svg{width:24px;height:24px;color:var(--login-accent)}
.minimal-login-form{position:relative;z-index:2;width:min(100%,360px);margin:0 2vw 0 0;padding:0;background:transparent;border:0;box-shadow:none;text-align:left}
.minimal-login-form h1{font-size:32px;line-height:1.35;font-weight:600;letter-spacing:-1px;margin:0 0 40px;color:var(--login-ink);text-wrap:balance}
.minimal-login-form h1 span{display:block;font-size:17px;font-weight:400;letter-spacing:0;margin-top:8px;color:var(--login-muted)}
.minimal-login-form form{display:grid;gap:22px;margin:0}.minimal-login-form label{display:block;color:var(--login-ink);font-size:13px;font-weight:500;margin:0 0 8px;line-height:1.5}
.minimal-login-form input:not([type=hidden]){width:100%;height:50px;min-height:50px;padding:12px 14px;border:1px solid var(--login-line);border-radius:7px;background:var(--login-wash);color:var(--login-ink);font-family:inherit;font-size:16px;font-weight:400;line-height:1.5;box-shadow:none;outline:none;transition:border-color 160ms}
.minimal-login-form input:focus{border-color:var(--login-accent);outline:2px solid color-mix(in srgb,var(--login-accent) 18%,transparent);outline-offset:2px}
.minimal-login-form input::placeholder{color:#9296a1}.minimal-password{position:relative;display:block}.minimal-password input{padding-right:60px!important}
.minimal-password button{position:absolute;right:3px;top:3px;height:44px;min-width:50px;padding:0 10px;background:transparent;border:0;border-radius:5px;color:var(--login-muted);font-family:inherit;font-size:13px;cursor:pointer}
.minimal-submit{width:100%;min-height:50px;border:1px solid var(--login-accent);border-radius:7px;padding:12px 18px;background:var(--login-accent);color:white;font-family:inherit;font-size:15px;font-weight:550;line-height:1.4;box-shadow:none;cursor:pointer;transition:filter 150ms,transform 150ms;margin-top:2px;text-align:center;display:flex;align-items:center;justify-content:center}
.minimal-submit:hover{filter:brightness(1.1)}.minimal-submit:active{transform:scale(.99)}.minimal-submit:disabled{opacity:.45;cursor:not-allowed}
.minimal-login-form .field{margin:0}.minimal-login-form .error-text,.minimal-login-form [role=alert]{font-size:13px;color:#b3394d;margin:0;line-height:1.6}.minimal-login-form [role=alert]:empty{display:none}
.minimal-login-help{font-size:12px;color:var(--login-muted);line-height:1.7;margin:22px 0 0}.minimal-login-form [hidden]{display:none!important}
.minimal-login :focus-visible{outline:2px solid var(--login-accent);outline-offset:4px}
[data-login-motion]{position:absolute;inset:0;z-index:-1;pointer-events:none}.minimal-motion{width:100%;height:100%}.minimal-motion canvas{display:block;width:100%;height:100%;mask-image:linear-gradient(90deg,#000 0%,#000 26%,transparent 70%);opacity:.8}
.minimal-motion-button{position:fixed;right:48px;bottom:28px;z-index:5;pointer-events:auto;display:flex;align-items:center;gap:8px;min-height:44px;border:0;background:transparent;color:var(--login-muted);padding:8px 0 8px 12px;font-size:12px;font-family:inherit;cursor:pointer}
.minimal-login-status{position:absolute;left:48px;bottom:42px;font-size:12px;color:var(--login-muted);margin:0}
.minimal-login .auth-preview{margin-top:20px;border:0;background:transparent;color:var(--login-accent);font-size:13px;padding:0;min-height:44px;cursor:pointer}
body:has(.minimal-login){margin:0;background:var(--login-paper,#fbfbfc)}body:has(.minimal-login):before,body:has(.minimal-login):after{display:none!important}.login-wrap:has(.minimal-login){width:100%;padding:0;margin:0}.login-wrap:has(.minimal-login)>.alert{position:fixed;z-index:10;top:20px;left:50%;transform:translateX(-50%);max-width:calc(100% - 32px)}
@media(min-width:1800px){.minimal-login-form{margin-right:8vw;width:400px}.minimal-login-form h1{font-size:36px}.minimal-motion canvas{mask-image:linear-gradient(90deg,#000,transparent 70%)}}
@media(max-width:800px){.minimal-login{justify-content:center;padding:112px 28px 100px}.minimal-login-form{margin:0;width:min(100%,360px)}.minimal-login-brand{top:26px;left:28px;font-size:16px}.minimal-login-form h1{font-size:29px;margin-bottom:32px}.minimal-motion canvas{mask-image:linear-gradient(180deg,#000,transparent 28%,transparent 85%,#000);opacity:.55}.minimal-motion-button{right:28px;bottom:16px}.minimal-login-status{left:28px;bottom:30px}.minimal-login-form form{gap:20px}}
@media(prefers-reduced-motion:reduce){.minimal-login *{animation:none!important;transition:none!important}}

/* night-studio-20260908-180844: UI-only theme */
/* Night studio — appearance only; all existing layout and behavior stay intact. */
:root {
  --night-canvas: #0b1014;
  --night-panel: #121b22;
  --night-inset: #0e161c;
  --night-raised: #1a2730;
  --night-text: #ebf3f6;
  --night-secondary: #bac8cf;
  --night-muted: #9aaeb9;
  --night-line: rgba(179,210,220,.14);
  --night-control-line: #4d646f;
  --night-accent: #63dccb;
  --night-accent-hover: #91eadc;
  --night-accent-ink: #092c28;
  --night-selection: #183c38;
  --night-warning: #efc37a;
  --night-warning-bg: #332b1d;
  --night-danger: #ff9cae;
  --night-danger-bg: #34222b;
  color-scheme: dark;
  accent-color: var(--night-accent);
}
html, body { background-color: var(--night-canvas); color: var(--night-text); }
::selection { background: var(--night-accent); color: var(--night-accent-ink); }
input, textarea, select { caret-color: var(--night-accent); color-scheme: dark; }
select option { background: var(--night-panel); color: var(--night-text); }
input::placeholder, textarea::placeholder { color: var(--night-muted); opacity: 1; }
:focus-visible { outline-color: var(--night-accent); }
input:autofill { background: var(--night-inset); color: var(--night-text); }
input:-webkit-autofill, input:-webkit-autofill:hover, input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--night-text);
  caret-color: var(--night-accent);
  -webkit-box-shadow: 0 0 0 1000px var(--night-inset) inset;
}
dialog::backdrop { background: rgba(2,7,10,.78); }
button:disabled, input:disabled, select:disabled { cursor: not-allowed; }
@media (forced-colors: active) {
  :root { --night-accent: Highlight; --night-text: CanvasText; }
}

:root {
  --ledger-paper: var(--night-canvas); --ledger-panel: var(--night-panel); --ledger-inset: var(--night-inset);
  --ledger-ink: var(--night-text); --ledger-secondary: var(--night-secondary); --ledger-meta: var(--night-muted);
  --ledger-line: var(--night-line); --ledger-accent: var(--night-accent); --ledger-selection: var(--night-selection);
  --bg: var(--night-canvas); --surface: var(--night-panel); --nav: var(--night-canvas);
  --ink: var(--night-text); --muted: var(--night-muted); --line: var(--night-line); --accent: var(--night-accent);
  color-scheme: dark;
}
body, .sidebar, .topbar { background: var(--night-canvas); color: var(--night-text); }
.brand-mark { color: var(--night-accent); border-color: #39645e; }
.nav-item.active, .badge.live, .status-success, .page-current { color: var(--night-accent); background: var(--night-selection); }
.badge.demo { background: var(--night-warning-bg); color: var(--night-warning); }
.button, .button.subtle, .icon-button { background: var(--night-panel); color: var(--night-text); border-color: var(--night-control-line); }
.button:hover, .button.subtle:hover, .icon-button:hover { background: var(--night-raised); border-color: var(--night-accent); }
.button.primary { background: var(--night-accent); color: var(--night-accent-ink); border-color: var(--night-accent); }
.button.primary:hover { background: var(--night-accent-hover); color: var(--night-accent-ink); border-color: var(--night-accent-hover); }
.filter-label, .search, .min-views input { background: var(--night-inset); border-color: var(--night-control-line); color: var(--night-secondary); }
.filter-label select, .search input, .min-views input { color: var(--night-text); }
.demo-banner { background: var(--night-panel); border-color: var(--night-control-line); }
.mini-pill { border-color: var(--night-control-line); }
.stats-grid, .stat, .stat.highlight { background: var(--night-canvas); border-color: var(--night-line); }
.stat.highlight strong { color: var(--night-accent); }
.panel, .table-panel, .account-card { background: var(--night-panel); border-color: var(--night-line); }
.rank-item:hover, tbody tr:hover { background: var(--night-raised); }
.search input::placeholder { color: var(--night-muted); }
.table-panel th, .table-scroll th:first-child { background: var(--night-inset); color: var(--night-secondary); }
th[aria-sort]:not([aria-sort=none]) { background: var(--night-selection); color: var(--night-accent); }
td { border-color: var(--night-line); }
.table-scroll td:first-child { background: var(--night-panel); }
.table-scroll tr:hover td:first-child { background: var(--night-raised); }
.table-scroll th[aria-sort]:not([aria-sort=none]):first-child { background: var(--night-selection); }
.account-dot, .tone-0, .tone-1, .tone-2, .tone-3, .mini-avatar { background: var(--night-raised); color: var(--night-secondary); }
.cover, .cover.missing, .cover.expired { background: var(--night-raised); color: var(--night-muted); }
.pagination select, form input, form select, textarea {
  background: var(--night-inset); color: var(--night-text); border-color: var(--night-control-line); color-scheme: dark;
}
.shop-symbol, .account-timezone, .detail-metrics, .dialog-note { background: var(--night-raised); color: var(--night-secondary); border-color: var(--night-line); }
.sync-orbit { background: var(--night-selection); color: var(--night-accent); }
.notice { background: var(--night-warning-bg); color: var(--night-warning); border-color: #73603e; }
.error-text { color: var(--night-danger) !important; }
dialog { background: var(--night-panel); color: var(--night-text); box-shadow: 0 24px 80px #00000066; }
.time-row { background: var(--night-inset); }
.time-row.selected { background: var(--night-selection); border-color: #39645e; }
.dialog-close { background: var(--night-raised); color: var(--night-secondary); }
.loading, .empty, .chart-empty { color: var(--night-muted); }
.spinner { border-color: var(--night-control-line); border-top-color: var(--night-accent); }
.trend-chart line { stroke: #ffffff14; }
.trend-chart polyline { stroke: var(--night-accent); }
.trend-chart circle { fill: var(--night-panel); stroke: var(--night-accent); }
.trend-chart stop { stop-color: var(--night-accent); }
.page footer { border-color: var(--night-line); }
#toast, .skip-link { background: var(--night-accent); color: var(--night-accent-ink); }

/* Reuse the existing canvas, motion toggle, form and markup. No new JS. */
.minimal-login,
.minimal-login[data-site=doubao],
.minimal-login[data-site=tiktok],
.minimal-login[data-site=tkdata] {
  --login-paper: var(--night-canvas);
  --login-ink: var(--night-text);
  --login-muted: var(--night-muted);
  --login-line: var(--night-control-line);
  --login-accent: var(--night-accent);
  --login-wash: var(--night-inset);
  background: radial-gradient(ellipse at 22% 42%, #123c39 0%, #0d2025 26%, transparent 59%), var(--night-canvas);
  color-scheme: dark;
}
body:has(.minimal-login) { background: var(--night-canvas); }
.minimal-login-brand { color: var(--night-text); }
.minimal-login-brand svg { color: var(--night-accent); filter: drop-shadow(0 0 12px #63dccb33); }
.minimal-login-form h1 { color: var(--night-text); text-shadow: 0 2px 30px #00000033; }
.minimal-login-form h1 span { color: var(--night-secondary); }
.minimal-login-form label { color: var(--night-secondary); }
.minimal-login-form input:not([type=hidden]) {
  background: var(--night-inset);
  color: var(--night-text);
  border-color: var(--night-control-line);
  box-shadow: inset 0 1px 0 #ffffff04;
}
.minimal-login-form input::placeholder { color: var(--night-muted); }
.minimal-login-form input:focus {
  background: #111f25;
  border-color: var(--night-accent);
  outline: 2px solid #63dccb66;
}
.minimal-password button { color: var(--night-secondary); }
.minimal-password button:hover { background: var(--night-raised); color: var(--night-accent); }
.minimal-login .minimal-submit {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(120deg, #91eadc, var(--night-accent) 65%);
  color: var(--night-accent-ink);
  border-color: var(--night-accent);
  box-shadow: 0 4px 24px #63dccb14, inset 0 1px 0 #ffffff66;
  transition: transform 160ms cubic-bezier(.23,1,.32,1), opacity 160ms;
}
.minimal-login .minimal-submit:not(:disabled):hover { background: var(--night-accent-hover); filter: none; }
.minimal-login .minimal-submit:disabled { opacity: .48; box-shadow: none; }
.minimal-login-form .error-text, .minimal-login-form [role=alert] { color: var(--night-danger) !important; }
.minimal-login-help, .minimal-login-status { color: var(--night-muted); }
.minimal-motion { position: relative; isolation: isolate; }
.minimal-motion::before, .minimal-motion::after {
  content: "";
  position: absolute;
  inset: -8%;
  z-index: -1;
  pointer-events: none;
}
.minimal-motion::before {
  background: radial-gradient(ellipse at 27% 44%, #51c8b84d, transparent 35%), radial-gradient(ellipse at 5% 80%, #27657444, transparent 32%);
  opacity: .7;
  animation: night-light-drift 18s ease-in-out infinite alternate;
}
.minimal-motion::after {
  background: linear-gradient(115deg, transparent 22%, #79dccc09 30%, #89eee929 30.3%, #63dccb08 31%, transparent 39%);
  mask-image: radial-gradient(ellipse at 30% 42%, #000, transparent 62%);
  opacity: .7;
  animation: night-light-sweep 22s ease-in-out infinite alternate;
}
.minimal-motion canvas { filter: brightness(3.2) saturate(.45); opacity: .9; }
.minimal-motion-button { color: var(--night-secondary); }
.minimal-motion-button:hover, .minimal-motion-button:focus-visible { color: var(--night-accent); }
.minimal-motion[data-motion=paused]::before,
.minimal-motion[data-motion=paused]::after { animation-play-state: paused; }
.minimal-login .auth-preview { color: var(--night-accent); }
@keyframes night-light-drift {
  from { transform: translate3d(-2%, -2%, 0); opacity: .45; }
  to { transform: translate3d(3%, 3%, 0); opacity: .85; }
}
@keyframes night-light-sweep {
  from { transform: translate3d(-4%, 0, 0); opacity: .35; }
  to { transform: translate3d(5%, 2%, 0); opacity: .8; }
}
@media (max-width: 800px) {
  .minimal-login { background: radial-gradient(ellipse at 30% 0%, #123c39, transparent 48%), var(--night-canvas); }
  .minimal-motion::before, .minimal-motion::after { mask-image: linear-gradient(#000, transparent 30%, transparent 83%, #000); }
  .minimal-motion canvas { opacity: .5; }
}
@media (prefers-reduced-motion: reduce) {
  .minimal-login *, .minimal-login *::before, .minimal-login *::after {
    animation: none !important;
    transition: none !important;
  }
  .minimal-motion::before { opacity: .45; transform: none; }
  .minimal-motion::after { opacity: .3; transform: none; }
}
@media (forced-colors: active) {
  .minimal-login { background: Canvas; }
  .minimal-motion::before, .minimal-motion::after { display: none; }
  .minimal-login .minimal-submit { background: ButtonFace; color: ButtonText; border-color: ButtonText; }
}

/* identity-studio-20260908-183201: UI-only visual identities */
/* TkData: deep-ocean instrument panel, blue signals, precise ruled surfaces. */
:root {
  --night-canvas:#091320; --night-panel:#101f30; --night-inset:#0b1928;
  --night-raised:#1a2e42; --night-text:#edf6ff; --night-secondary:#bdcfe1;
  --night-muted:#9db4cc; --night-line:#9dcbff22; --night-control-line:#567595;
  --night-accent:#91c4ff; --night-accent-hover:#b7dcff; --night-accent-ink:#0c2a4e;
  --night-selection:#1a3853; --identity-shine:#9cf0e9; --identity-outline:#91c4ff40;
}

.page { background-image:linear-gradient(#91c4ff04 1px,transparent 1px),linear-gradient(90deg,#91c4ff04 1px,transparent 1px);background-size:40px 40px; }
.topbar { background:linear-gradient(100deg,#122940,var(--night-canvas) 64%);border-bottom-color:var(--identity-outline); }
.brand-mark { background:#12304b;border-color:#91c4ff66; }
.nav-item.active { box-shadow:inset 2px 0 0 var(--night-accent); }
.stats-grid { background:var(--night-canvas); }
.stat { background:linear-gradient(180deg,#13253a55,transparent); }
.stat.highlight { background:linear-gradient(135deg,#91c4ff14,transparent 82%);box-shadow:inset 0 2px 0 #91c4ff99; }
.stat.highlight strong { color:var(--night-accent-hover);text-shadow:0 0 26px #91c4ff22; }
.panel,.table-panel { box-shadow:inset 0 1px 0 #91c4ff14; }
.panel-heading,.table-heading { background:linear-gradient(115deg,#91c4ff08,transparent 65%); }
.button.primary { background:linear-gradient(115deg,#b7dcff,var(--night-accent)); }
.table-panel th { background:#102439; }
.table-scroll th:first-child { background:#102439; }
th[aria-sort]:not([aria-sort=none]), .table-scroll th[aria-sort]:not([aria-sort=none]):first-child { background:var(--night-selection);color:var(--night-accent); }
.trend-chart polyline { filter:drop-shadow(0 2px 4px #91c4ff33); }
.trend-chart circle { fill:var(--night-inset); }
.account-card { box-shadow:inset 0 1px 0 #91c4ff22; }
.dialog-close:hover { color:var(--night-accent); }

/* Decorative layers only: existing fields, heading, layout and motion controls. */
.minimal-login[data-site] {
  --login-paper:var(--night-canvas); --login-wash:var(--night-inset);
  --login-ink:var(--night-text); --login-muted:var(--night-muted);
  --login-line:var(--night-control-line); --login-accent:var(--night-accent);
}
.minimal-login[data-site]::before {
  content:""; display:block !important; position:absolute; inset:0;
  z-index:-1; pointer-events:none;
}
.minimal-login-form::before {
  content:""; position:absolute; inset:-36px; z-index:-1; pointer-events:none;
  border:1px solid var(--identity-outline); border-radius:24px;
  background:color-mix(in srgb,var(--night-panel) 94%,transparent);
  box-shadow:0 30px 100px #00000060,inset 0 1px 0 #ffffff14;
}
.minimal-login-form::after {
  content:""; position:absolute; top:-36px; left:8%; width:38%; height:1px;
  background:linear-gradient(90deg,transparent,var(--identity-shine),transparent);
  box-shadow:0 0 16px var(--identity-outline); pointer-events:none;
}
.minimal-login-brand svg { filter:drop-shadow(0 0 12px var(--identity-outline)); }
.minimal-login .minimal-submit {
  background:linear-gradient(115deg,var(--night-accent-hover),var(--night-accent));
  color:var(--night-accent-ink); border-color:var(--night-accent);
  box-shadow:0 6px 30px var(--identity-outline),inset 0 1px 0 #ffffff77;
}
.minimal-login-form input:focus {
  background:var(--night-raised); border-color:var(--night-accent);
  outline:2px solid var(--identity-outline);
}
.minimal-login .minimal-submit:not(:disabled):hover { box-shadow:0 8px 36px var(--identity-outline),inset 0 1px 0 #ffffff88; }
.minimal-login-form .minimal-password button:focus-visible { outline-color:var(--night-accent); }
.minimal-motion-button { text-shadow:0 2px 10px #000; }
.minimal-motion[data-motion=paused]::before,
.minimal-motion[data-motion=paused]::after { animation-play-state:paused; }
@media(max-width:800px) {
  .minimal-login-form::before { inset:-24px -16px; border-radius:18px; }
  .minimal-login-form::after { top:-24px; }
}
@media(prefers-reduced-motion:reduce) {
  .minimal-login *, .minimal-login *::before, .minimal-login *::after {
    animation:none !important; transition:none !important;
  }
}
@media(forced-colors:active) {
  .minimal-login-form::before { background:Canvas; border-color:CanvasText; }
  .minimal-login[data-site]::before, .minimal-login-form::after { display:none !important; }
  .minimal-login .minimal-submit { color:ButtonText; background:ButtonFace; box-shadow:none; }
}

/* Instrument-like grid and a scanning band: no invented numbers or charts. */
.minimal-login[data-site=tkdata] {
  background:radial-gradient(ellipse at 25% 50%,#12395d99,transparent 54%),var(--night-canvas);
}
.minimal-login[data-site=tkdata]::before {
  background-image:linear-gradient(#91c4ff0d 1px,transparent 1px),linear-gradient(90deg,#91c4ff0d 1px,transparent 1px),radial-gradient(#9cf0e94d 1px,transparent 1px);
  background-size:48px 48px,48px 48px,144px 144px;
  mask-image:linear-gradient(90deg,#000,transparent 75%);opacity:.8;
}
.minimal-login[data-site=tkdata] .minimal-motion::before {
  inset:16% 49% 16% 5%; border:1px solid #91c4ff33;border-radius:8px;
  background:repeating-radial-gradient(ellipse at center,transparent 0 18%,#91c4ff1a 18.2% 18.5%,transparent 18.7% 27%),radial-gradient(ellipse at center,#42689c22,transparent 67%);
  box-shadow:inset 0 1px 0 #9cf0e966,inset 0 -1px 0 #91c4ff55,0 0 50px #2b649d1a;
  mask-image:none;opacity:.8;transform:none;
  animation:tkdata-field 10s ease-in-out infinite alternate;
}
.minimal-login[data-site=tkdata] .minimal-motion::after {
  inset:23% 52% 69% 8%;
  border-top:1px solid #9cf0e9cc;
  background:linear-gradient(#91c4ff33,transparent);
  mask-image:none;opacity:.6;
  animation:tkdata-scan 12s ease-in-out infinite alternate;
}
.minimal-login[data-site=tkdata] .minimal-motion canvas { filter:brightness(3.4) saturate(.5) hue-rotate(22deg);opacity:.25; }
.minimal-login[data-site=tkdata] .minimal-login-form::before {
  border-radius:12px;background:linear-gradient(135deg,#182b40f5,#0e1b2af7);
  box-shadow:0 30px 100px #00000066,inset 0 1px 0 #91c4ff44;
}
.minimal-login[data-site=tkdata] .minimal-login-form h1 { font-weight:600;letter-spacing:-.7px; }
.minimal-login[data-site=tkdata] .minimal-login-form::after { left:0;width:100%;background:linear-gradient(90deg,var(--identity-shine),#91c4ff44,transparent); }
.minimal-login[data-site=tkdata] .minimal-login-brand svg { color:var(--identity-shine); }
@keyframes tkdata-field { from{opacity:.5}to{opacity:.95} }
@keyframes tkdata-scan { from{transform:translateY(0);opacity:.35}to{transform:translateY(470%);opacity:.85} }
@media(max-width:800px) {
  .minimal-login[data-site=tkdata] { background:radial-gradient(ellipse at 50% 0%,#12395daa,transparent 54%),var(--night-canvas); }
  .minimal-login[data-site=tkdata]::before { opacity:.45;mask-image:linear-gradient(#000,transparent 38%,transparent 80%,#000); }
  .minimal-login[data-site=tkdata] .minimal-motion::before { inset:-22% -18% 59% -18%;opacity:.55; }
  .minimal-login[data-site=tkdata] .minimal-motion::after { inset:4% 3% 89% 3%;opacity:.4; }
  .minimal-login[data-site=tkdata] .minimal-motion canvas { opacity:.12; }
}

/* Follow site-specific animation shorthands so paused state cannot be reset. */
.minimal-login[data-site] .minimal-motion[data-motion=paused]::before,
.minimal-login[data-site] .minimal-motion[data-motion=paused]::after {
  animation-play-state:paused;
}
@media(prefers-reduced-motion:reduce) {
  .minimal-login[data-site] .minimal-motion::before,
  .minimal-login[data-site] .minimal-motion::after { animation:none !important; }
}
@media(forced-colors:active) {
  .minimal-login[data-site]::before,
  .minimal-login[data-site] .minimal-motion::before,
  .minimal-login[data-site] .minimal-motion::after,
  .minimal-login-form::after { display:none !important; }
}