/* Layout: app shell. Black navigation rail (brand primary) + white working surface; blue only for focus/active accents. */
:root{
  --ink:#0B0B0C; --paper:#FFFFFF; --surface:#F4F5F7; --surface-2:#EBECF0; --line:#E2E3E8; --muted:#666974;
  --blue:#414D81; --blue-soft:#ECEEF6;
  --ok:#1D7447; --ok-soft:#E3F1E9; --warn:#8A5A00; --warn-soft:#FBF1DC; --danger:#B42318; --danger-soft:#FCEAE8;
  --btn:#0B0B0C; --btn-fg:#FFFFFF;
  --rail:#000000; --rail-fg:#FFFFFF; --rail-muted:#8C8D95; --rail-hover:#141416; --rail-line:#1E1F23;
  --logo-filter:none; --shadow:0 12px 40px rgba(11,11,12,.14);
  --f-display:"Clash Display","Hanken Grotesk",system-ui,sans-serif;
  --f-body:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --ink:#F2F2F3; --paper:#0D0D0F; --surface:#16161A; --surface-2:#1E1F24; --line:#2A2B31; --muted:#9B9DA7;
  --blue:#A3ADDF; --blue-soft:#1C1F31;
  --ok:#6FCF97; --ok-soft:#14261C; --warn:#E6B25A; --warn-soft:#2A2213; --danger:#F08A7E; --danger-soft:#2E1714;
  --btn:#FFFFFF; --btn-fg:#000000; --rail-line:#232429; --logo-filter:invert(1); --shadow:0 12px 40px rgba(0,0,0,.5);
  color-scheme:dark }}
:root[data-theme="dark"]{
  --ink:#F2F2F3; --paper:#0D0D0F; --surface:#16161A; --surface-2:#1E1F24; --line:#2A2B31; --muted:#9B9DA7;
  --blue:#A3ADDF; --blue-soft:#1C1F31;
  --ok:#6FCF97; --ok-soft:#14261C; --warn:#E6B25A; --warn-soft:#2A2213; --danger:#F08A7E; --danger-soft:#2E1714;
  --btn:#FFFFFF; --btn-fg:#000000; --rail-line:#232429; --logo-filter:invert(1); --shadow:0 12px 40px rgba(0,0,0,.5);
  color-scheme:dark }

html,body,#root{height:100%}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
body{background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
h1,h2,h3{font-family:var(--f-display);font-weight:600;letter-spacing:-.02em;line-height:1.1;margin:0;text-wrap:balance}
p{margin:0}
.lucide{width:18px;height:18px;stroke-width:1.75;flex:none}
.mono{font-family:var(--f-mono);font-size:12.5px}
.muted{color:var(--muted)}
.eyebrow{font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:600}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:999px;border:1px solid transparent;background:var(--btn);color:var(--btn-fg);font-weight:600;font-size:14px;white-space:nowrap;text-decoration:none}
.btn:hover{opacity:.88}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:var(--surface);opacity:1}
.btn.sm{height:32px;padding:0 12px;font-size:13px}
.btn.danger{background:var(--danger);color:#fff}
.btn.danger-ghost{background:transparent;color:var(--danger);border-color:var(--danger)}
.icon-btn{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:8px;border:0;background:transparent;color:var(--muted)}
.icon-btn:hover{background:var(--surface-2);color:var(--ink)}
.icon-btn:disabled{opacity:.3;cursor:default;background:transparent}

/* form */
.field{display:grid;gap:6px;min-width:0}
.field label{font-size:13px;font-weight:600}
.field .hint{font-size:12.5px;color:var(--muted)}
.input,.select,.textarea{width:100%;height:42px;padding:0 12px;border-radius:10px;border:1px solid var(--line);background:var(--paper);outline:none}
.textarea{height:auto;min-height:76px;padding:10px 12px;resize:vertical}
.input:focus,.select:focus,.textarea:focus{border-color:var(--ink)}
.input-wrap{position:relative;display:flex;gap:8px}
.seg{display:inline-flex;padding:3px;border-radius:999px;background:var(--surface);border:1px solid var(--line)}
.seg button{border:0;background:transparent;height:30px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:600;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.seg button[aria-pressed="true"]{background:var(--btn);color:var(--btn-fg)}

.pill{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.ok{background:var(--ok-soft);color:var(--ok)}
.pill.off{background:var(--danger-soft);color:var(--danger)}
.pill.warn{background:var(--warn-soft);color:var(--warn)}
.chip{display:inline-flex;align-items:center;gap:4px;height:22px;padding:0 8px;border-radius:6px;background:var(--surface-2);font-size:11.5px;font-weight:600;color:var(--muted);letter-spacing:.02em;white-space:nowrap}

/* ========== LOGIN ========== */
.login{min-height:100%;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}
.login-brand{background:#000;color:#fff;padding:48px 56px;display:flex;flex-direction:column;justify-content:space-between;gap:48px;position:relative;overflow:hidden}
.login-brand img{width:150px;filter:invert(1)}
.login-brand h1{font-size:clamp(40px,5.4vw,76px);font-weight:700;letter-spacing:-.035em;line-height:.98;max-width:11ch}
.login-brand h1 span{color:#414D81}
.login-brand .foot{display:flex;justify-content:space-between;gap:16px;font-size:13px;color:#8C8D95;flex-wrap:wrap}
.login-form{display:grid;place-items:center;padding:48px 24px}
.login-card{width:100%;max-width:380px;display:grid;gap:22px}
.login-card h2{font-size:30px}
.err{display:flex;gap:8px;align-items:flex-start;padding:10px 12px;border-radius:10px;background:var(--danger-soft);color:var(--danger);font-size:13.5px}
.demo-box{border:1px dashed var(--line);border-radius:12px;padding:14px;display:grid;gap:10px}
.demo-box .row{display:flex;gap:8px;flex-wrap:wrap}
.lang-switch{display:flex;justify-content:flex-end}

/* ========== APP SHELL ========== */
.app{display:grid;grid-template-columns:272px minmax(0,1fr);height:100%}
.rail{background:var(--rail);color:var(--rail-fg);display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--rail-line)}
.rail-top{padding:22px 20px 14px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.rail-top img{width:96px;filter:invert(1)}
.rail-top .tag{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--rail-muted);border:1px solid #2A2B30;border-radius:999px;padding:2px 8px}
.rail-scroll{flex:1;overflow:auto;padding:4px 12px 16px;display:grid;align-content:start;gap:4px}
.who{display:flex;align-items:center;gap:12px;padding:14px 10px 18px;margin:0 0 6px;border-bottom:1px solid #1E1F23}
.avatar{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-family:var(--f-display);font-weight:700;font-size:15px;flex:none;overflow:hidden;background:#fff;color:#000}
.avatar img{width:100%;height:100%;object-fit:cover}
.who .name{font-family:var(--f-display);font-weight:600;font-size:16px;line-height:1.15}
.who .sub{font-size:12px;color:var(--rail-muted)}
.search-btn{display:flex;align-items:center;gap:10px;width:100%;height:38px;padding:0 10px;border-radius:10px;border:1px solid #232429;background:#0B0B0D;color:var(--rail-muted);font-size:13.5px;margin-bottom:10px}
.search-btn kbd{margin-left:auto;font-family:var(--f-mono);font-size:11px;border:1px solid #2A2B30;border-radius:5px;padding:1px 5px}
.nav-group{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--rail-muted);font-weight:600;padding:16px 10px 6px}
.nav-item{display:flex;align-items:center;gap:12px;width:100%;min-height:40px;padding:8px 10px;border-radius:10px;border:0;background:transparent;color:#D8D9DE;font-size:14.5px;text-align:left;text-decoration:none}
.nav-item:hover{background:var(--rail-hover);color:#fff}
.nav-item[aria-current="true"]{background:#fff;color:#000}
.nav-item .ext{margin-left:auto;opacity:.5;width:14px;height:14px}
.nav-item .lbl{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rail-bottom{padding:12px;border-top:1px solid #1E1F23;display:grid;gap:8px}
.rail-bottom .row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.rail .seg{background:#0B0B0D;border-color:#232429}
.rail .seg button{color:var(--rail-muted)}
.rail .seg button[aria-pressed="true"]{background:#fff;color:#000}
.rail .icon-btn{color:var(--rail-muted)}
.rail .icon-btn:hover{background:var(--rail-hover);color:#fff}
.topbar{display:none}
.main{min-width:0;min-height:0;overflow:auto;display:flex;flex-direction:column}
.page{padding:36px clamp(16px,4vw,48px) 96px;display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-content:start;width:100%;max-width:1180px}

/* client home */
.hello h1{font-size:clamp(32px,4vw,48px);font-weight:700;letter-spacing:-.035em}
.hello p{margin-top:10px;color:var(--muted);max-width:60ch;font-size:16px}
.notice{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:12px;background:var(--blue-soft);color:var(--ink)}
.notice .lucide{color:var(--blue);margin-top:2px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.card-link{display:flex;flex-direction:column;gap:18px;padding:18px;border-radius:14px;border:1px solid var(--line);background:var(--paper);text-align:left;color:inherit;text-decoration:none;min-height:132px;transition:border-color .15s,transform .15s}
.card-link{position:relative;min-height:112px}
.card-link .s{position:absolute;top:18px;right:18px;margin:0;color:var(--muted)}
.card-link:hover{border-color:var(--ink);transform:translateY(-1px)}
.card-link .ic{width:40px;height:40px;border-radius:10px;background:var(--surface);display:grid;place-items:center}
.card-link .t{font-family:var(--f-display);font-weight:600;font-size:17px;line-height:1.2}
.card-link .s{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:6px;margin-top:4px}
.section-h{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px}
.section-h h2{font-size:20px}

/* client embed: fills the whole working area, no chrome */
.embedded .main{overflow:hidden}
.embed{flex:1;min-height:0;height:100%;background:var(--paper);display:flex;flex-direction:column;overflow:auto;position:relative}
.mock-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 24px 0;flex-wrap:wrap}
.mock-title{font-weight:600;font-size:18px}
.mock-range{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:6px 10px}
.mock-grid{padding:18px 24px 24px;display:grid;gap:16px;grid-template-columns:repeat(4,minmax(0,1fr));flex:1;grid-auto-rows:min-content}
.kpi{border-radius:10px;background:var(--surface);padding:16px}
.kpi b{display:block;font-family:var(--f-display);font-size:28px;font-variant-numeric:tabular-nums}
.kpi span{font-size:12.5px;color:var(--muted)}
.kpi.tall{grid-column:span 2;height:220px}
.bars{grid-column:1/-1;display:flex;align-items:flex-end;gap:6px;height:clamp(200px,34vh,360px);padding:16px;border-radius:10px;background:var(--surface)}
.bars i{flex:1;background:var(--ink);opacity:.85;border-radius:3px 3px 0 0}
.mock-note{position:absolute;right:20px;bottom:20px;background:var(--surface-2);color:var(--muted);font-size:12px;padding:6px 12px;border-radius:999px;white-space:nowrap;max-width:calc(100% - 40px);overflow:hidden;text-overflow:ellipsis}

/* collapsed rail */
.app{transition:grid-template-columns .2s}
.app.collapsed{grid-template-columns:68px minmax(0,1fr)}
.brand{display:inline-flex;align-items:baseline;gap:8px}
.hub{font-family:var(--f-display);font-weight:500;font-size:19px;letter-spacing:-.01em;color:#fff;line-height:1}
.login-brand .hub{font-size:28px}
.collapsed .hub{display:none}
.logo-clip{display:block;overflow:hidden;width:96px;transition:width .2s}
.collapsed .rail-top{flex-direction:column;padding:18px 10px 10px;gap:10px}
.collapsed .logo-clip{width:19px}
.collapsed .rail-top .tag{display:none}
.collapsed .rail-scroll{padding:4px 10px 16px}
.collapsed .who{justify-content:center;padding:8px 0 12px}
.collapsed .who .avatar{width:36px;height:36px;font-size:13px}
.collapsed .who-t,.collapsed .lbl,.collapsed .search-btn kbd,.collapsed .nav-item .ext,.collapsed .rail-bottom .seg{display:none}
.collapsed .search-btn{justify-content:center;padding:0}
.collapsed .nav-group{font-size:0;padding:6px 0;margin:6px 8px 0;border-top:1px solid #1E1F23}
.collapsed .nav-item{justify-content:center;padding:8px 0}
.collapsed .rail-bottom{padding:10px}
.collapsed .rail-bottom .row{justify-content:center}
.collapsed .back-admin{padding:0;width:36px;justify-content:center}
.link-view{display:grid;place-items:center;height:100%;min-height:420px;text-align:center;padding:24px}
.link-view .box{display:grid;gap:14px;justify-items:center;max-width:420px}
.link-view .big{width:64px;height:64px;border-radius:16px;background:var(--paper);border:1px solid var(--line);display:grid;place-items:center}
.link-view .big .lucide{width:28px;height:28px}

/* ========== ADMIN ========== */
.page-h{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.page-h h1{font-size:clamp(30px,3.4vw,40px);font-weight:700;letter-spacing:-.03em}
.page-h .sub{color:var(--muted);margin-top:6px}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.search{position:relative;flex:1;min-width:200px;max-width:360px}
.search .lucide{position:absolute;left:12px;top:12px;color:var(--muted)}
.search input{padding-left:38px}
.counts{display:flex;gap:18px;font-size:13.5px;color:var(--muted)}
.counts b{color:var(--ink);font-variant-numeric:tabular-nums}
.table-wrap{border:1px solid var(--line);border-radius:14px;overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:720px}
th{font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600;text-align:left;padding:12px 16px;background:var(--surface);border-bottom:1px solid var(--line)}
td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
tbody tr{cursor:pointer}
tbody tr:hover td{background:var(--surface)}
.cl{display:flex;align-items:center;gap:12px;min-width:0}
.cl .avatar{width:36px;height:36px;font-size:13px;background:var(--ink);color:var(--paper)}
.cl .n{font-weight:600}
.cl .e{font-size:12.5px;color:var(--muted)}
td.num{font-variant-numeric:tabular-nums}
.row-actions{display:flex;gap:2px;justify-content:flex-end}

/* editor */
.ed-head{display:grid;gap:16px}
.back{display:inline-flex;align-items:center;gap:6px;border:0;background:none;color:var(--muted);font-size:13.5px;padding:0;width:max-content}
.back:hover{color:var(--ink)}
.ed-title{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.ed-title .avatar{width:52px;height:52px;border-radius:12px;background:var(--ink);color:var(--paper);font-size:18px}
.ed-title h1{font-size:clamp(26px,3vw,34px);font-weight:700}
.ed-title .sp{flex:1}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto}
.tabs button{border:0;background:none;padding:10px 14px;font-weight:600;font-size:14px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;display:inline-flex;gap:8px;align-items:center;white-space:nowrap}
.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--ink)}
.ed-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}
.panel{border:1px solid var(--line);border-radius:14px;background:var(--paper)}
.panel-h{display:flex;align-items:center;gap:10px;padding:12px 12px 12px 16px;border-bottom:1px solid var(--line)}
.panel-h .gname{flex:1;min-width:0;border:0;background:transparent;font-family:var(--f-display);font-weight:600;font-size:17px;padding:4px 6px;border-radius:6px;outline:none}
.panel-h .gname:hover,.panel-h .gname:focus{background:var(--surface)}
.it{display:grid;grid-template-columns:auto 36px minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px 12px 10px 8px;border-bottom:1px solid var(--line);cursor:pointer}
.it:last-of-type{border-bottom:0}
.it:hover{background:var(--surface)}
.it[aria-selected="true"]{background:var(--blue-soft)}
.it .ord{display:flex;flex-direction:column}
.it .ord .icon-btn{width:24px;height:18px;border-radius:4px}
.it .ord .lucide{width:14px;height:14px}
.it .ic{width:36px;height:36px;border-radius:9px;background:var(--surface-2);display:grid;place-items:center}
.it .t{font-weight:600;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.it .u{font-family:var(--f-mono);font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.add-row{display:flex;gap:8px;padding:10px 12px}
.stack{display:grid;gap:16px;min-width:0;grid-template-columns:minmax(0,1fr)}
.side,.panel{min-width:0}
.side{position:sticky;top:16px;display:grid;gap:16px}
.form-card{padding:18px;display:grid;gap:16px}
.form-card h3{font-size:18px}
.icons{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:6px;max-height:196px;overflow:auto;padding:2px}
.icons button{height:40px;border-radius:9px;border:1px solid var(--line);background:var(--paper);display:grid;place-items:center;color:var(--ink)}
.icons button:hover{border-color:var(--ink)}
.icons button[aria-pressed="true"]{background:var(--btn);color:var(--btn-fg);border-color:var(--btn)}
.empty{padding:28px 18px;text-align:center;color:var(--muted);display:grid;gap:10px;justify-items:center}

/* mini preview */
.preview{border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.preview .ph{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;font-size:12.5px;color:var(--muted);background:var(--surface);border-bottom:1px solid var(--line)}
.mini{background:#000;color:#fff;padding:14px 10px;display:grid;gap:2px;max-height:380px;overflow:auto}
.mini .who{padding:4px 6px 12px;margin-bottom:4px}
.mini .avatar{width:30px;height:30px;font-size:12px;border-radius:8px}
.mini .who .name{font-size:14px}
.mini .nav-group{padding:10px 8px 4px;font-size:10px}
.mini .nav-item{min-height:32px;font-size:13px;padding:6px 8px;gap:10px}
.mini .nav-item .lucide{width:16px;height:16px}

.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.logo-drop{display:flex;align-items:center;gap:16px;padding:14px;border:1px dashed var(--line);border-radius:12px}
.logo-drop .avatar{width:56px;height:56px;background:var(--ink);color:var(--paper);font-size:20px;border-radius:12px}
.notice-row{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:start}
.danger-zone{border:1px solid var(--danger);border-radius:14px;padding:18px;display:grid;gap:12px}
.danger-zone h3{color:var(--danger);font-size:18px}
.dirty{font-size:12.5px;color:var(--warn);display:inline-flex;align-items:center;gap:6px}

.tpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.tpl{padding:18px;display:grid;gap:12px;cursor:pointer;text-align:left}
.tpl:hover{border-color:var(--ink)}
.tpl h3{font-size:18px}
.tpl .icrow{display:flex;gap:6px;flex-wrap:wrap}
.tpl .icrow span{width:30px;height:30px;border-radius:8px;background:var(--surface);display:grid;place-items:center}
.tpl .icrow .lucide{width:16px;height:16px}

/* overlays */
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.45);display:grid;place-items:start center;padding:10vh 16px 16px;z-index:50}
.modal{width:100%;max-width:520px;background:var(--paper);border-radius:18px;box-shadow:var(--shadow);display:grid;gap:18px;padding:24px;max-height:80vh;overflow:auto}
.modal h2{font-size:24px}
.modal .actions{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.palette{max-width:560px;padding:0;gap:0}
.palette .search{max-width:none;margin:0}
.palette input{border:0;border-bottom:1px solid var(--line);border-radius:0;height:54px;padding-left:44px;font-size:16px}
.palette .search .lucide{top:18px;left:16px}
.palette ul{list-style:none;margin:0;padding:8px;max-height:50vh;overflow:auto}
.palette li button{display:flex;align-items:center;gap:12px;width:100%;padding:10px 12px;border:0;background:none;border-radius:10px;text-align:left}
.palette li button:hover,.palette li button.hl{background:var(--surface)}
.palette li .g{margin-left:auto;font-size:12px;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--btn);color:var(--btn-fg);padding:10px 18px;border-radius:999px;font-weight:600;font-size:14px;display:flex;gap:8px;align-items:center;z-index:60;box-shadow:var(--shadow);max-width:calc(100% - 32px)}

@media (max-width:1080px){ .ed-grid{grid-template-columns:minmax(0,1fr)} .side{position:static} }
@media (max-width:860px){
  .login{grid-template-columns:1fr}
  .login-brand{padding:28px 20px;gap:28px}
  .login-brand h1{font-size:40px}
  .app{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}
  .topbar{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#000;color:#fff}
  .topbar img{width:88px;filter:invert(1)}
  .topbar .t{font-family:var(--f-display);font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:right}
  .topbar .icon-btn{color:#fff}
  .rail{position:fixed;inset:0 25% 0 0;z-index:45;transform:translateX(-102%);transition:transform .2s}
  .rail.open{transform:none;box-shadow:var(--shadow)}
  .mock-grid{grid-template-columns:repeat(2,minmax(0,1fr));padding:16px}
  .bars{gap:2px}
  .mock-top{padding:16px 16px 0}
  .app.collapsed{grid-template-columns:1fr}
  .collapse-btn{display:none}
  .collapsed .rail-top{flex-direction:row;padding:22px 20px 14px}
  .collapsed .logo-clip{width:96px}
  .collapsed .hub{display:inline}
  .collapsed .who-t,.collapsed .lbl,.collapsed .search-btn kbd,.collapsed .nav-item .ext,.collapsed .rail-bottom .seg{display:revert}
  .collapsed .nav-item{justify-content:flex-start;padding:8px 10px}
  .collapsed .search-btn{justify-content:flex-start;padding:0 10px}
  .collapsed .who{justify-content:flex-start;padding:14px 10px 18px}
  .collapsed .nav-group{font-size:11px;padding:16px 10px 6px;margin:0;border:0}
  .two,.notice-row{grid-template-columns:1fr}
}
/* WhatsApp + small-screen block */
.wa-box{display:grid;gap:8px}
.wa-box .hint{font-size:12.5px;color:var(--rail-muted);line-height:1.35}
.wa{display:flex;align-items:center;justify-content:center;gap:8px;height:40px;border-radius:999px;background:#25D366;color:#04210F;font-weight:700;font-size:14px;text-decoration:none}
.wa-ic{width:19px;height:19px;flex:none}
.wa-ic{width:19px;height:19px;flex:none}
.wa:hover{background:#3BE27A}
.collapsed .wa-box .hint{display:none}
.collapsed .wa{width:40px;height:40px;padding:0;margin:0 auto}
.small-block{display:none;min-height:100%;background:#000;color:#fff;padding:40px 24px;align-content:center;justify-items:start;gap:22px}
.small-block img{width:120px;filter:invert(1)}
.small-block h1{font-size:34px;font-weight:700;letter-spacing:-.03em;max-width:14ch}
.small-block p{color:#A6A7AE;max-width:36ch}
.small-block .wa{padding:0 20px;height:46px}
.small-block .num{font-family:var(--f-mono);font-size:13px;color:#A6A7AE;user-select:all}
@media (max-width:899px){ #root,#overlay{display:none!important} .small-block{display:grid} }
@media (prefers-reduced-motion:reduce){ *{transition:none!important} }

/* real embed */
.embed-frame{display:block;flex:1;width:100%;height:100%;border:0;background:var(--paper)}
.embedded .main{display:flex;flex-direction:column}
/* boot + setup */
.boot{height:100%;display:grid;place-items:center;color:var(--muted)}
.spin{width:28px;height:28px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--ink);animation:spin 0.8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.ok-msg{display:flex;gap:8px;align-items:flex-start;padding:10px 12px;border-radius:10px;background:var(--ok-soft);color:var(--ok);font-size:13.5px}
.btn[disabled]{opacity:.5;cursor:default}