:root{--bg:#f4f6fb;--panel:#fff;--panel2:#f8faff;--ink:#182033;--muted:#6b7280;--line:#e5e8ef;--navy:#10233f;--blue:#2867d8;--green:#178957;--amber:#9a6500;--red:#b33a3a;--shadow:0 14px 36px rgba(16,35,63,.08)}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Segoe UI,Arial,sans-serif}button,input,select,textarea{font:inherit}.hidden{display:none!important}.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(145deg,#0d1c35,#17345f)}.auth-card{width:min(460px,100%);background:#fff;border-radius:26px;padding:34px;box-shadow:0 30px 80px rgba(0,0,0,.24)}.auth-brand{font-size:34px;font-weight:1000;letter-spacing:.04em;color:var(--navy)}.auth-descriptor{font-size:13px;color:var(--blue);font-weight:800;margin-top:4px}.auth-card h1{font-size:22px;margin:26px 0 8px}.auth-card p{color:var(--muted);line-height:1.6}.auth-form{display:grid;gap:14px;margin-top:24px}.auth-form label,.form-card label,.toolbar label{display:grid;gap:6px;font-size:12px;font-weight:800;color:#42506a}.auth-form input,.form-card input,.form-card select,.toolbar select,.field input,.field select,.subject-custom input{border:1px solid var(--line);border-radius:12px;padding:11px 12px;background:#fff;outline:none}.auth-form input:focus,.form-card input:focus,.form-card select:focus,.field input:focus,.field select:focus,.subject-custom input:focus{border-color:#83a8ee;box-shadow:0 0 0 3px rgba(40,103,216,.1)}.auth-submit{width:100%;margin-top:4px}.auth-error{min-height:18px;font-size:12px;color:var(--red)}.auth-note{font-size:11px;color:var(--muted);margin-top:16px;border-top:1px solid var(--line);padding-top:14px}.shell{min-height:100vh;display:grid;grid-template-columns:270px 1fr}.sidebar{background:linear-gradient(180deg,var(--navy),#0b1930);color:#fff;padding:22px 16px;position:sticky;top:0;height:100vh;overflow:auto}.brand{font-size:25px;font-weight:1000;letter-spacing:.04em}.brand-sub{font-size:11px;color:#b8c7de;line-height:1.5;margin-top:4px}.role-lock{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);padding:12px;border-radius:14px;margin:20px 0}.role-lock .small,.profile .small{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#9fb0c8}.profile{background:rgba(255,255,255,.06);padding:13px;border-radius:14px;margin-bottom:16px}.profile .name{font-weight:900;margin-top:4px;word-break:break-word}.profile .meta{font-size:11px;color:#b8c7de;margin-top:5px}.nav{display:grid;gap:6px}.nav-item{border:0;background:transparent;color:#d7e1ef;text-align:left;padding:11px 12px;border-radius:10px;cursor:pointer}.nav-item.active{background:rgba(255,255,255,.14);color:#fff;font-weight:800}.server-card{margin-top:20px;border-top:1px solid rgba(255,255,255,.12);padding-top:16px}.server-line{display:flex;align-items:center;gap:7px;font-size:12px}.server-sub{font-size:10px;color:#9fb0c8;margin-top:5px}.dot{width:8px;height:8px;border-radius:50%;background:#6b7280}.dot.ok{background:#35c783}.dot.warn{background:#f1af45}.main{min-width:0}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:10}.top-title{font-size:18px;font-weight:900}.top-actions{display:flex;gap:9px;align-items:center}.pill{border:1px solid var(--line);border-radius:999px;padding:8px 11px;font-size:11px;color:var(--muted);background:#fff}.account-chip{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--muted)}.account-chip button{border:0;background:#eef2f7;border-radius:9px;padding:7px 9px;cursor:pointer}.avatar{width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:900}.content{padding:24px}.view{display:none}.view.active{display:block}.hero{display:grid;grid-template-columns:1.35fr .9fr;gap:18px;margin-bottom:18px}.hero-card,.card,.stat{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 5px 18px rgba(16,35,63,.04)}.hero-card{padding:22px;background:linear-gradient(135deg,#fff,#f4f8ff)}.hero-card h1{margin:0 0 8px;font-size:28px}.hero-card p{margin:0;color:var(--muted);line-height:1.6}.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.primary,.secondary,.send,.new-session,.tiny-btn{border:0;border-radius:11px;padding:10px 13px;font-weight:800;cursor:pointer}.primary,.send{background:var(--navy);color:#fff}.secondary,.new-session{background:#eef2f7;color:var(--navy)}button:disabled{opacity:.48;cursor:not-allowed}.quick{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.q{background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px}.q .k,.slabel{font-size:11px;color:var(--muted)}.q .v,.svalue{font-size:22px;font-weight:900;margin-top:5px}.small-value{font-size:15px!important}.subscription-strip{display:none;border-radius:14px;padding:12px 14px;margin-bottom:16px;font-size:13px}.subscription-strip.show{display:block}.subscription-strip.good{background:#eaf7f0;color:#146c47}.subscription-strip.warn{background:#fff5df;color:#875800}.subscription-strip.danger{background:#fdeeee;color:#922f2f}.chat-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px}.chatbox{background:#fff;border:1px solid var(--line);border-radius:20px;min-height:610px;display:flex;flex-direction:column;overflow:hidden}.chat-head{padding:15px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;align-items:center}.chat-head-actions{display:flex;gap:8px;align-items:center}.mode{font-size:11px;background:#eef4ff;color:#255bb2;padding:7px 9px;border-radius:999px;font-weight:800}.micro-note{font-size:11px;color:var(--muted);margin-top:4px}.messages{padding:18px;flex:1;overflow:auto;background:linear-gradient(#fff,#fbfcff)}.row{display:flex;margin:10px 0}.row.user{justify-content:flex-end}.bubble{max-width:78%;padding:12px 14px;border-radius:16px;line-height:1.55;font-size:14px;white-space:pre-wrap}.row.ai .bubble{background:#f2f5fa;border-top-left-radius:5px}.row.user .bubble{background:var(--navy);color:#fff;border-top-right-radius:5px}.row.system .bubble{background:#fff5df;color:#704900}.suggestions{padding:0 12px;display:flex;gap:7px;flex-wrap:wrap}.suggestions button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 9px;font-size:11px;cursor:pointer}.composer{border-top:1px solid var(--line);padding:12px;display:flex;gap:8px;align-items:flex-end}.composer textarea{flex:1;resize:none;max-height:130px;border:1px solid var(--line);border-radius:12px;padding:11px;outline:none}.icon-btn{border:0;background:#f1f4f8;border-radius:11px;padding:10px}.sidepanel{display:grid;gap:16px;align-content:start}.card{padding:18px}.card h3{margin:0 0 12px;font-size:15px}.subjects{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.subject{border:1px solid var(--line);background:#fff;border-radius:11px;padding:10px;cursor:pointer}.subject.active{border-color:var(--blue);background:#eef4ff;color:#194eaa;font-weight:800}.subject-custom{display:flex;gap:7px;margin-top:9px}.subject-custom input{min-width:0;flex:1}.subject-custom button{border:0;background:#eef2f7;border-radius:10px;padding:9px}.learning-controls{display:grid;gap:10px}.field{display:grid;gap:5px}.field label{font-size:11px;color:var(--muted);font-weight:800}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:9px}.section-title{display:flex;justify-content:space-between;align-items:end;gap:12px;margin-bottom:14px}.section-title h2{margin:0;font-size:22px}.section-title span{font-size:12px;color:var(--muted)}.history-layout{display:grid;grid-template-columns:360px minmax(0,1fr);gap:16px}.history-list{display:grid;gap:9px}.history-item{border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px;text-align:left;cursor:pointer;color:var(--ink)}.history-item b{display:block}.history-item span{display:block;color:var(--muted);font-size:11px;margin-top:4px}.history-detail{min-height:300px}.history-detail .message-line{padding:9px 0;border-bottom:1px solid var(--line)}.history-detail .message-line b{font-size:11px;text-transform:uppercase;color:var(--muted)}.history-detail .message-line p{margin:4px 0;white-space:pre-wrap}.empty-state{color:var(--muted);padding:18px 2px;font-size:13px}.toolbar{display:flex;gap:10px;margin-bottom:14px}.toolbar label{min-width:280px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}.stat{padding:16px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:16px}.muted{color:var(--muted);font-size:13px;line-height:1.55}.metric-text{font-size:18px;font-weight:900}.evidence-row,.kv{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}.plan-panel{display:grid;gap:8px;font-size:13px}.admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:16px}.form-card{display:grid;gap:10px}.form-card form{display:grid;gap:10px}.form-card hr{width:100%;border:0;border-top:1px solid var(--line);margin:8px 0}.check-row{display:flex!important;align-items:center;gap:8px!important;font-weight:600!important}.check-row input{width:auto}.table-card{margin-bottom:16px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:11px 9px;border-bottom:1px solid var(--line);text-align:left;font-size:12px;vertical-align:middle;height:52px}th{color:var(--muted)}.actions{white-space:nowrap;vertical-align:middle}.actions .tiny-btn{margin:2px 5px 2px 0}.tiny-btn{padding:7px 8px;font-size:11px}.tiny-btn.red{background:#fdeeee;color:#922f2f}.tiny-btn.green{background:#eaf7f0;color:#146c47}.tiny-btn.soft{background:#eef2f7;color:var(--navy)}.audit-list{display:grid;gap:7px;max-height:300px;overflow:auto}.audit-item{padding:8px 10px;border-radius:9px;background:#f7f8fb;font-size:11px;color:#596273}.toast{position:fixed;right:20px;bottom:20px;background:#17243b;color:#fff;padding:11px 14px;border-radius:11px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s;z-index:99;max-width:430px}.toast.show{opacity:1;transform:none}.toast.error{background:#8d2d2d}.mobile-nav{display:none}
@media(max-width:1050px){.shell{grid-template-columns:1fr}.sidebar{display:none}.content{padding:16px;padding-bottom:82px}.topbar{padding:0 14px}.hero,.chat-layout,.history-layout{grid-template-columns:1fr}.sidepanel{grid-template-columns:1fr 1fr}.metric-grid{grid-template-columns:repeat(2,1fr)}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:30;background:#fff;border-top:1px solid var(--line);padding:7px;justify-content:space-around}.mobile-nav button{border:0;background:transparent;padding:9px;color:#4a5568}.account-chip span{display:none}}
@media(max-width:650px){.auth-card{padding:25px 20px}.top-actions .pill{display:none}.hero,.grid-2,.admin-grid,.sidepanel,.quick,.metric-grid{grid-template-columns:1fr}.hero-card h1{font-size:23px}.bubble{max-width:90%}.two-fields{grid-template-columns:1fr}.toolbar label{min-width:100%}.composer{gap:5px}.icon-btn{padding:9px}.send{padding:10px}.content{padding:12px 12px 78px}.top-title{font-size:15px}.account-chip{font-size:10px}.history-layout{grid-template-columns:1fr}}
.auth-step-title{font-weight:900;font-size:16px;color:var(--navy)}
.account-extra{margin-top:16px}.secret-box,.activation-code,.activation-code-list pre,.recovery-box pre{background:#0f1f38;color:#fff;border-radius:12px;padding:12px;font-family:Consolas,monospace;word-break:break-all;white-space:pre-wrap}.recovery-box{margin-top:12px}.store-actions{display:flex;gap:10px;align-items:end;flex-wrap:wrap}.store-actions label{display:grid;gap:6px;min-width:260px;flex:1;font-size:12px;font-weight:800;color:#42506a}.store-actions select{border:1px solid var(--line);border-radius:12px;padding:11px 12px;background:#fff}.payment-panel{margin-top:16px;border-top:1px solid var(--line);padding-top:14px}.payment-qr{display:block;width:min(280px,100%);margin:14px auto;border-radius:14px;border:1px solid var(--line)}.activation-code{margin-top:12px;font-size:16px;font-weight:900;text-align:center}.admin-identity{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.status-badge{border-radius:999px;padding:7px 10px;font-size:11px;font-weight:900;background:#eef2f7}.status-badge.good{background:#eaf7f0;color:#146c47}.status-badge.warn{background:#fff5df;color:#875800}.status-badge.danger{background:#fdeeee;color:#922f2f}.permission-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;background:#f7f9fc;border-radius:12px;padding:10px}.activation-code-list{margin-top:8px}.activation-code-list:empty{display:none}.plan-panel.good{color:#146c47}.plan-panel.warn{color:#875800}.plan-panel.danger{color:#922f2f}
@media(max-width:650px){.permission-grid{grid-template-columns:1fr}.store-actions{display:grid}.store-actions label{min-width:0}}
/* P3D owner-acceptance UI fixes */
.card-head-inline{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}.card-head-inline h3{margin-bottom:5px}.twofa-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.twofa-setup{margin-top:16px;border-top:1px solid var(--line);padding-top:16px}.twofa-method-grid{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(0,1.2fr);gap:18px;align-items:start}.twofa-qr-pane,.twofa-secret-pane{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fafbfe}.twofa-qr{display:block;width:min(230px,100%);aspect-ratio:1/1;object-fit:contain;margin:12px auto 0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px}.secret-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:stretch}.secret-row .secret-box{display:flex;align-items:center;min-height:48px;margin:0}.copy-btn{min-width:72px}.compact-btn{margin-top:10px;padding:8px 10px}.twofa-confirm-row{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin-top:14px}.twofa-confirm-row label{display:grid;gap:6px;font-size:12px;font-weight:800;color:#42506a;min-width:220px}.twofa-confirm-row input{border:1px solid var(--line);border-radius:12px;padding:11px 12px;background:#fff}.recovery-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:8px}.status-badge{border:0;cursor:pointer}.status-badge:focus-visible{outline:3px solid rgba(40,103,216,.22)}.table-card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}.table-card-head h3{margin:0}.table-filters{display:flex;gap:8px;flex-wrap:wrap}.table-filters input,.table-filters select{border:1px solid var(--line);border-radius:10px;padding:8px 10px;background:#fff;min-width:150px}.countdown-line{font-weight:900;font-size:15px}.countdown-line.warn{color:#875800}.countdown-line.danger{color:#922f2f}
@media(max-width:760px){.twofa-method-grid{grid-template-columns:1fr}.table-card-head{align-items:stretch;flex-direction:column}.table-filters{display:grid;grid-template-columns:1fr}.table-filters input,.table-filters select{min-width:0;width:100%}}


.payment-copy{display:flex;align-items:center;gap:8px;justify-content:flex-end;flex-wrap:wrap}
/* RESPONSIVE-01 mobile hardening */
@media(max-width:650px){
  .chat-head{align-items:flex-start;flex-direction:column}
  .chat-head-actions{width:100%;justify-content:space-between;flex-wrap:wrap}
  .kv>*{min-width:0;overflow-wrap:anywhere;word-break:break-word}
  .mobile-nav button,.composer button,.primary,.secondary,.new-session,.send,.icon-btn{min-height:44px}
  .mobile-nav button{min-width:64px}
}

.camera-preview{display:flex;gap:10px;align-items:center;padding:10px 12px;border-top:1px solid var(--line);background:#fff;flex-wrap:wrap}.camera-preview[hidden]{display:none}.camera-preview img{width:72px;height:72px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}.camera-preview-meta{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}.camera-preview-meta span{font-size:12px;color:var(--muted);overflow-wrap:anywhere}.camera-preview button{min-height:44px}
@media(max-width:650px){.camera-preview{align-items:stretch}.camera-preview img{width:64px;height:64px}.camera-preview button{flex:1 1 120px}}


/* BRAND-01 — NARUNEO VISUAL MASTER PRESENTATION LAYER
   Presentation-only convergence. Functional IDs, backend flows and responsive breakpoints retained. */
:root{
  --bg:#eef4fb;--panel:#ffffff;--panel2:#f7fbff;--ink:#08285c;--muted:#6480a6;
  --line:#dce8f7;--navy:#08285c;--blue:#0878f9;--blue-strong:#006ff0;--blue-soft:#edf6ff;
  --green:#15845b;--amber:#936000;--red:#a93643;
  --shadow:0 16px 40px rgba(25,80,145,.09);--shadow-soft:0 8px 24px rgba(25,80,145,.065);
  --radius-card:20px;--radius-control:13px
}
body{background:var(--bg);color:var(--ink)}
.auth-screen{background:radial-gradient(circle at 12% 12%,#d9ecff 0,transparent 34%),linear-gradient(145deg,#eef7ff,#e7f0fb 52%,#f7fbff)}
.auth-card{border:1px solid rgba(220,232,247,.95);box-shadow:0 28px 70px rgba(8,40,92,.16)}
.auth-brand,.auth-step-title{color:var(--ink)}
.auth-descriptor{color:var(--blue)}
.shell{grid-template-columns:252px minmax(0,1fr)}
.sidebar{background:#fff;color:var(--ink);padding:22px 16px;border-right:1px solid var(--line);box-shadow:8px 0 34px rgba(25,80,145,.035)}
.brand{color:var(--blue);font-size:27px;letter-spacing:.055em}
.brand-sub{color:#6c87aa;max-width:190px}
.role-lock{background:var(--blue-soft);border:1px solid #d7e9ff;color:var(--ink)}
.role-lock .small,.profile .small{color:#6d89ad}
.profile{background:#f8fbff;border:1px solid var(--line)}
.profile .meta{color:var(--muted)}
.nav{gap:7px}.nav-item{color:#456587;padding:12px 13px;border-radius:12px;font-weight:700;transition:.16s ease}
.nav-item:hover{background:#f2f8ff;color:var(--blue)}
.nav-item.active{background:linear-gradient(135deg,var(--blue),#168cf9);color:#fff;font-weight:900;box-shadow:0 8px 18px rgba(8,120,249,.19)}
.server-card{border-top:1px solid var(--line)}.server-sub{color:#7992b1}.server-line{color:#47698e}
.topbar{height:76px;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:0 22px;gap:18px}
.topbar-start{min-width:0;flex:1;display:flex;align-items:center;gap:18px}.top-title{font-size:17px;min-width:max-content;color:var(--ink)}
.knowledge-search{height:42px;max-width:520px;min-width:220px;flex:1;display:flex;align-items:center;gap:9px;padding:0 13px;background:#f8fbff;border:1px solid var(--line);border-radius:14px;color:#7590b1;transition:.16s ease}
.knowledge-search:focus-within{background:#fff;border-color:#87bfff;box-shadow:0 0 0 3px rgba(8,120,249,.09)}
.knowledge-search-icon{font-size:20px;line-height:1;color:var(--blue)}
.knowledge-search input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:var(--ink);font-size:13px}.knowledge-search input::placeholder{color:#8aa0bd}
.top-actions{gap:8px}.pill{border-color:var(--line);background:#f8fbff;color:#5f7fa5;font-weight:700}.account-chip{color:#6280a5}.account-chip button{background:var(--blue-soft);color:var(--blue);font-weight:800}.avatar{background:linear-gradient(135deg,var(--blue),#35a2ff);box-shadow:0 7px 16px rgba(8,120,249,.2)}
.content{padding:24px 26px 30px;max-width:1680px;margin:0 auto}
.subscription-strip{border:1px solid transparent;border-radius:16px;box-shadow:var(--shadow-soft)}
.hero{grid-template-columns:minmax(0,1.4fr) minmax(320px,.86fr);gap:16px;margin-bottom:16px}
.hero-card,.card,.stat,.q{border-color:var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-soft)}
.hero-card{position:relative;overflow:hidden;padding:26px 28px;background:linear-gradient(135deg,#fff 0%,#f7fbff 62%,#edf7ff 100%)}
.hero-card:after{content:"";position:absolute;right:-54px;top:-62px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(8,120,249,.13),rgba(8,120,249,0) 70%);pointer-events:none}
.hero-card h1{font-size:30px;color:var(--ink);letter-spacing:-.02em}.hero-card p{color:#6380a4;max-width:720px}
.primary,.send{background:linear-gradient(135deg,var(--blue),var(--blue-strong));color:#fff;box-shadow:0 7px 16px rgba(8,120,249,.18)}
.secondary,.new-session{background:var(--blue-soft);color:#1663be;border:1px solid #d9eaff}.primary,.secondary,.send,.new-session,.tiny-btn{border-radius:12px}
.primary:hover,.send:hover{filter:brightness(.98)}.secondary:hover,.new-session:hover{background:#e5f2ff}
.quick{gap:10px}.q{padding:16px 17px;background:#fff}.q .k,.slabel{color:#6c87aa;font-weight:700}.q .v,.svalue{color:var(--ink)}
.chat-layout{grid-template-columns:minmax(0,1fr) 320px;gap:16px;align-items:start}.chatbox{border-color:var(--line);border-radius:22px;min-height:620px;box-shadow:var(--shadow-soft)}
.chat-head{padding:16px 18px;background:#fff}.chat-head strong{color:var(--ink);font-size:15px}.mode{background:var(--blue-soft);color:#146ac7;border:1px solid #d7eaff}
.messages{background:linear-gradient(180deg,#fff 0%,#fbfdff 62%,#f7fbff 100%)}
.row.ai .bubble{background:#f0f6fc;color:#274d78;border:1px solid #e1ecf8}.row.user .bubble{background:linear-gradient(135deg,var(--blue),#198ff8);box-shadow:0 6px 14px rgba(8,120,249,.13)}
.suggestions button{border-color:#d8e7f7;color:#41688f;background:#fff}.suggestions button:hover{border-color:#9bcaff;background:#f3f9ff;color:var(--blue)}
.composer{background:#fff;padding:13px}.composer textarea{border-color:#d8e7f7;border-radius:14px;background:#fbfdff}.composer textarea:focus{background:#fff;border-color:#87bfff;box-shadow:0 0 0 3px rgba(8,120,249,.08)}
.icon-btn{background:var(--blue-soft);color:var(--blue)}
.sidepanel{gap:14px}.card{padding:18px 18px;background:#fff}.card h3{font-size:14px;color:var(--ink);letter-spacing:.01em}
.subjects{gap:8px}.subject{border-color:#dbe9f7;border-radius:12px;color:#456585}.subject:hover{border-color:#a5cefb;background:#f8fbff}.subject.active{border-color:#70b5ff;background:var(--blue-soft);color:#086bcf;box-shadow:inset 0 0 0 1px rgba(8,120,249,.05)}
.field label{color:#6784a7}.auth-form label,.form-card label,.toolbar label,.twofa-confirm-row label,.store-actions label{color:#58779c}
.auth-form input,.form-card input,.form-card select,.toolbar select,.field input,.field select,.subject-custom input,.store-actions select,.twofa-confirm-row input,.table-filters input,.table-filters select{border-color:#d8e7f7;background:#fbfdff;border-radius:var(--radius-control)}
.auth-form input:focus,.form-card input:focus,.form-card select:focus,.field input:focus,.field select:focus,.subject-custom input:focus,.store-actions select:focus,.twofa-confirm-row input:focus,.table-filters input:focus,.table-filters select:focus{background:#fff;border-color:#87bfff;box-shadow:0 0 0 3px rgba(8,120,249,.09)}
.section-title h2{color:var(--ink)}.history-item{border-color:var(--line);border-radius:14px;box-shadow:0 4px 14px rgba(25,80,145,.035)}.history-item:hover{border-color:#acd3ff;background:#fbfdff}
.empty-state{margin:8px 0;padding:20px;border:1px dashed #cbdff5;border-radius:15px;background:#f8fbff;color:#6a86a8;text-align:center}
.stat{background:#fff}.table-card,.form-card,.history-detail{box-shadow:var(--shadow-soft)}
th{color:#6b86a6;background:#fbfdff}.audit-item{background:#f5f9fd;color:#577598}.status-badge,.tiny-btn.soft{background:var(--blue-soft);color:#2268b4}
.toast{background:var(--ink);border:1px solid rgba(255,255,255,.12);border-radius:13px;box-shadow:0 18px 42px rgba(8,40,92,.22)}
.camera-preview{background:#f8fbff;border-color:var(--line)}
button,a,input,select,textarea{transition:border-color .15s ease,box-shadow .15s ease,background-color .15s ease,color .15s ease,transform .15s ease}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(8,120,249,.22);outline-offset:2px}
button:not(:disabled):active{transform:translateY(1px)}
@media(max-width:1180px){.knowledge-search{max-width:390px}.chat-layout{grid-template-columns:minmax(0,1fr) 300px}}
@media(max-width:1050px){.topbar{height:72px}.topbar-start{gap:10px}.knowledge-search{max-width:none}.content{padding:18px 16px 86px}.hero,.chat-layout,.history-layout{grid-template-columns:1fr}.sidepanel{grid-template-columns:1fr 1fr}.mobile-nav{box-shadow:0 -10px 28px rgba(25,80,145,.08)}.mobile-nav button{color:#527397;font-weight:800}}
@media(max-width:760px){.knowledge-search{min-width:160px}.top-title{display:none}}
@media(max-width:650px){.topbar{padding:0 12px}.knowledge-search{height:40px;min-width:0}.knowledge-search input{font-size:12px}.content{padding:12px 12px 80px}.hero-card{padding:21px 19px}.hero-card h1{font-size:24px}.chatbox{min-height:560px}.sidepanel{grid-template-columns:1fr}.quick{grid-template-columns:repeat(2,minmax(0,1fr))}.q{padding:14px}.top-actions{gap:6px}.avatar{width:32px;height:32px}.account-chip button{padding:7px 8px}.bubble{max-width:92%}}
@media(max-width:430px){.quick{grid-template-columns:1fr 1fr}.knowledge-search-icon{display:none}.knowledge-search{padding:0 9px}.account-chip button{font-size:0}.account-chip button:after{content:"↗";font-size:14px}.topbar{gap:8px}.avatar{display:none}}

/* BRAND-A RECONSTRUCT 2026-09-29 — Owner Visual Master presentation layer */
:root{
  --bg:#f2f7fc;--panel:#fff;--panel2:#f7fbff;--ink:#0b2a58;--muted:#6c83a2;
  --line:#dfeaf5;--navy:#062b63;--navy-2:#0a3c82;--blue:#087bf1;--blue-strong:#0568d8;
  --cyan:#38c6f4;--blue-soft:#eaf6ff;--radius-card:20px;--radius-control:13px;
  --shadow-soft:0 12px 34px rgba(24,82,145,.08);--shadow-float:0 18px 44px rgba(6,43,99,.13)
}
body{background:linear-gradient(180deg,#f7fbff 0,#f2f7fc 42%,#eef5fb 100%);color:var(--ink)}
.auth-screen{background:radial-gradient(circle at 78% 18%,rgba(56,198,244,.22),transparent 30%),linear-gradient(145deg,#041c45,#0b3978)}
.auth-logo{display:block;width:min(310px,88%);height:auto;margin:0 0 24px;object-fit:contain;object-position:left center}
.shell{grid-template-columns:260px minmax(0,1fr)}
.sidebar{background:#fff;color:var(--ink);padding:22px 16px 18px;border-right:1px solid var(--line);box-shadow:8px 0 34px rgba(25,80,145,.045);display:flex;flex-direction:column}
.brand-lockup{padding:2px 5px 0}.brand-logo{display:block;width:194px;max-width:100%;height:auto;object-fit:contain;object-position:left center}.brand-sub{font-size:11px;color:#6784a7;font-weight:700;margin:4px 7px 0}.role-lock{background:#f4f9ff;border:1px solid #e0edf9;color:var(--ink);margin:18px 0 10px}.role-lock .small,.profile .small{color:#7891ae}.profile{background:#f8fbff;border:1px solid #e4eef8;margin-bottom:14px}.profile .meta{color:#6d86a5}.nav{gap:7px}.nav-item{color:#456587;padding:12px 13px;border-radius:13px;font-weight:750}.nav-item:hover{background:#eef7ff;color:var(--blue)}.nav-item.active{background:linear-gradient(135deg,#086fdc,#169af7);color:#fff;font-weight:900;box-shadow:0 9px 20px rgba(8,123,241,.21)}
.sidebar-brand-panel{position:relative;overflow:hidden;margin-top:auto;min-height:154px;border-radius:20px;padding:20px 17px;background:linear-gradient(145deg,#073777 0%,#075aaa 58%,#0aa9dc 100%);color:#fff;box-shadow:0 16px 32px rgba(6,63,130,.19)}.sidebar-brand-panel:after{content:"";position:absolute;width:112px;height:112px;border:1px solid rgba(255,255,255,.24);border-radius:50%;right:-29px;bottom:-31px}.sidebar-brand-glow{position:absolute;inset:auto -25px -30px auto;width:126px;height:126px;border-radius:50%;background:radial-gradient(circle,#70ddff 0,rgba(112,221,255,.24) 40%,transparent 72%)}.sidebar-brand-kicker{font-size:9px;letter-spacing:.13em;font-weight:900;opacity:.78}.sidebar-brand-panel strong{position:relative;z-index:1;display:block;font-size:22px;line-height:1.12;margin:11px 0 9px;letter-spacing:-.02em}.sidebar-brand-panel span{position:relative;z-index:1;font-size:10px;opacity:.82}.server-card{margin-top:12px;border-top:0;padding:12px 12px;background:#f8fbff;border:1px solid #e4eef8;border-radius:14px}.server-sub{color:#7891ae}
.topbar{height:76px;background:rgba(255,255,255,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:0 24px;gap:18px}.topbar-start{min-width:0;flex:1;display:flex;align-items:center;gap:18px}.top-title{font-size:16px;color:#31577d}.knowledge-search{height:44px;max-width:610px;min-width:220px;flex:1;display:flex;align-items:center;gap:9px;padding:0 14px;background:#f8fbff;border:1px solid #dceaf7;border-radius:14px;color:#7590b1}.knowledge-search:focus-within{background:#fff;border-color:#82c5ff;box-shadow:0 0 0 3px rgba(8,123,241,.09)}.knowledge-search-icon{font-size:20px;color:var(--blue)}.top-actions{gap:8px}.pill{border-color:#dceaf7;background:#f8fbff;color:#5d7ea3;font-weight:750}.account-chip{padding:5px 5px 5px 10px;background:#f8fbff;border:1px solid #e0ebf6;border-radius:14px;color:#56769b}.account-chip button{background:#e8f4ff;color:#086ccc;font-weight:850}.avatar{background:linear-gradient(135deg,#0667d6,#29b7f2);box-shadow:0 8px 18px rgba(8,123,241,.22)}
.content{padding:22px 24px 30px;max-width:1720px;margin:0 auto}.student-workspace{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:18px;align-items:start}.student-center{min-width:0}.hero{display:block;margin-bottom:18px}.hero-card{min-height:252px;position:relative;overflow:hidden;padding:34px 35px;background:linear-gradient(122deg,#fff 0%,#f5fbff 52%,#dff4ff 100%);border:1px solid #dceaf7;border-radius:24px;box-shadow:var(--shadow-soft)}.hero-card:before{content:"";position:absolute;right:-85px;top:-112px;width:390px;height:390px;border-radius:50%;background:radial-gradient(circle,rgba(56,198,244,.22),rgba(8,123,241,.07) 47%,transparent 69%)}.hero-card:after{content:"";position:absolute;right:14%;bottom:-120px;width:280px;height:280px;border-radius:50%;border:1px solid rgba(8,123,241,.14);background:transparent}.hero-copy{position:relative;z-index:2;width:min(62%,720px)}.hero-eyebrow{font-size:11px;letter-spacing:.12em;font-weight:900;color:#3179ba}.hero-card h1{font-size:34px;line-height:1.1;color:var(--navy);letter-spacing:-.035em;margin:12px 0 10px}.hero-card p{font-size:15px;color:#607e9f;max-width:650px;line-height:1.65}.cta{margin-top:22px}.primary,.send{background:linear-gradient(135deg,#087bf1,#0868dc);color:#fff;box-shadow:0 8px 18px rgba(8,123,241,.2)}.secondary,.new-session{background:#edf7ff;color:#0969c9;border:1px solid #d5eaff}.hero-visual{position:absolute;right:24px;top:22px;width:32%;height:calc(100% - 44px);z-index:1}.hero-ai-core{position:absolute;right:22%;top:20%;width:92px;height:92px;border-radius:28px;background:linear-gradient(145deg,#0a3f8d,#087bf1 58%,#42d4ef);display:grid;place-items:center;color:#fff;box-shadow:0 18px 42px rgba(8,123,241,.25);transform:rotate(8deg)}.hero-ai-core span{font-weight:950;font-size:28px;transform:rotate(-8deg);letter-spacing:.04em}.hero-orbit{position:absolute;border-radius:50%;border:1px solid rgba(8,123,241,.18)}.hero-orbit-one{width:170px;height:170px;right:4%;top:3%}.hero-orbit-two{width:116px;height:116px;right:38%;top:33%;border-color:rgba(56,198,244,.31)}.hero-mantra{position:absolute;right:4%;bottom:6%;font-size:17px;line-height:1.15;text-align:right;color:#3c638a}.hero-mantra b{font-size:22px;color:var(--navy)}
.chat-layout{display:block}.chatbox{border:1px solid #dceaf7;border-radius:22px;min-height:620px;box-shadow:var(--shadow-soft);background:#fff}.chat-head{padding:17px 19px;background:#fff;border-bottom:1px solid #e4eef8}.messages{background:linear-gradient(180deg,#fff,#fbfdff 62%,#f5faff)}.row.ai .bubble{background:#eff7fd;color:#274d78;border:1px solid #e0edf8}.row.user .bubble{background:linear-gradient(135deg,#076ddb,#1597f4)}.composer{background:#fff;padding:14px}.composer textarea{background:#fbfdff;border-color:#d7e7f5}.icon-btn{background:#ebf6ff;color:#0875df}.suggestions button{border-color:#d6e8f7;color:#41688f;background:#fff}
.learning-overview{display:grid;gap:14px;position:sticky;top:94px}.overview-card,.sidepanel .card{background:#fff;border:1px solid #dceaf7;border-radius:20px;box-shadow:var(--shadow-soft)}.overview-card{padding:18px}.overview-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}.overview-head h3{margin:3px 0 0;font-size:16px;color:var(--navy)}.overview-kicker{font-size:9px;letter-spacing:.11em;font-weight:900;color:#6590b6}.overview-pulse{width:9px;height:9px;border-radius:50%;background:#38c6f4;box-shadow:0 0 0 5px rgba(56,198,244,.12)}.quick{display:grid;grid-template-columns:1fr 1fr;gap:9px}.q{min-width:0;background:#f8fbff;border:1px solid #e2edf7;border-radius:15px;padding:13px}.q .k{font-size:10px;color:#6a86a5;font-weight:750}.q .v{font-size:20px;color:var(--navy);font-weight:950}.small-value{font-size:13px!important;line-height:1.2}.sidepanel{display:grid;grid-template-columns:1fr;gap:14px}.sidepanel .card{padding:18px}.card h3{color:var(--navy)}.subjects{gap:8px}.subject{border-color:#d8e8f6;background:#fff;color:#476887}.subject:hover{background:#f7fbff;border-color:#9dcdf7}.subject.active{border-color:#7ebff8;background:#eaf6ff;color:#076bcf}.field label{color:#6683a4}.field input,.field select,.subject-custom input{background:#fbfdff;border-color:#d7e7f5}
@media(max-width:1260px){.student-workspace{grid-template-columns:minmax(0,1fr) 310px}.hero-copy{width:67%}.hero-visual{width:29%}}
@media(max-width:1050px){.student-workspace{grid-template-columns:1fr}.learning-overview{position:static;grid-template-columns:1fr 1.2fr}.sidepanel{grid-template-columns:1fr 1fr}.hero-copy{width:65%}.sidebar-brand-panel{display:none}}
@media(max-width:760px){.hero-card{min-height:auto;padding:26px 22px}.hero-copy{width:100%}.hero-visual{display:none}.hero-card h1{font-size:28px}.learning-overview{grid-template-columns:1fr}.sidepanel{grid-template-columns:1fr}.overview-card{order:0}}
@media(max-width:650px){.quick{grid-template-columns:1fr 1fr}.brand-logo{width:170px}.hero-card h1{font-size:25px}.hero-card p{font-size:14px}}

.auth-links{display:flex;justify-content:space-between;gap:12px;margin-top:10px}.link-btn{border:0;background:transparent;color:inherit;text-decoration:underline;cursor:pointer;padding:6px 0}.auth-form select{width:100%}

.teacher-ai-card{margin-bottom:20px;padding:0;overflow:hidden}.teacher-ai-card .teacher-messages{min-height:280px;max-height:520px}.teacher-student-title{margin-top:20px}.teacher-ai-card .composer{border-top:1px solid var(--line)}

.role-empty-state{padding:22px;margin-bottom:16px;border:1px dashed #b8d5ef;background:#f8fbff}.role-empty-state h3{margin:0 0 8px;color:var(--navy)}

.session-list{display:grid;gap:10px;margin-top:12px}.session-item{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:12px;padding:12px}.session-item>div{display:grid;gap:4px}.session-item .muted{font-size:12px}