/* Шрифты локально (SIL OFL 1.1, @fontsource): Unbounded, Onest, JetBrains Mono. Внешних запросов нет. */
@font-face{font-family:"Unbounded";font-style:normal;font-weight:300;font-display:swap;src:url(fonts/unbounded-cyrillic-300-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Unbounded";font-style:normal;font-weight:300;font-display:swap;src:url(fonts/unbounded-latin-300-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Unbounded";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/unbounded-cyrillic-400-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Unbounded";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/unbounded-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Unbounded";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/unbounded-cyrillic-500-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Unbounded";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/unbounded-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Onest";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/onest-cyrillic-400-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Onest";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/onest-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Onest";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/onest-cyrillic-500-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Onest";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/onest-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Onest";font-style:normal;font-weight:600;font-display:swap;src:url(fonts/onest-cyrillic-600-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Onest";font-style:normal;font-weight:600;font-display:swap;src:url(fonts/onest-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Onest";font-style:normal;font-weight:700;font-display:swap;src:url(fonts/onest-cyrillic-700-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Onest";font-style:normal;font-weight:700;font-display:swap;src:url(fonts/onest-latin-700-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/jetbrains-mono-cyrillic-400-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/jetbrains-mono-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/jetbrains-mono-cyrillic-500-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/jetbrains-mono-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
/* Lumen: слой оформления «стекло + свечение + bento», адаптирован под классы «Экзамена».
   Подключается ПОСЛЕ style.css. Анимации интерактива: 150–200 мс ease (правило проекта). */
:root{
  --bg:#f3f4f9; --bg-2:#e9ecf4; --card:linear-gradient(160deg,rgba(255,255,255,.96),rgba(255,255,255,.72) 60%); --ink:#0e1323; --muted:#6b7589; --line:rgba(24,32,60,.1); --soft:rgba(24,32,60,.05);
  --brand:#0e9f62; --brand-d:#0b8750; --brand-l:rgba(14,159,98,.12); --violet:#5b4be0;
  --ok:#0b8750; --warn:#a96a00; --err:#d6334a; --info:#5b4be0;
  --edge:#fff; --glow-a:rgba(14,159,98,.18); --glow-b:rgba(91,75,224,.16);
  --shadow:0 1px 0 rgba(255,255,255,.9) inset,0 24px 50px -28px rgba(52,64,150,.35); --inner:inset 0 1px 0 rgba(255,255,255,.9),inset 0 -10px 20px -14px rgba(60,70,140,.14);
  --surface:rgba(255,255,255,.7); --surface-2:rgba(255,255,255,.95); --field:rgba(255,255,255,.85); --pop:#fff; --on-brand:#fff;
  --ease:ease; --t:.18s ease; --r:22px; --side-w:264px;
  --font-display:Unbounded,Onest,system-ui,sans-serif; --font-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --ink-legacy:var(--ink); --blue:var(--brand); --blue-dark:var(--brand-d); --canvas:var(--bg); --danger:var(--err); --green:var(--ok);
  font-family:Onest,Inter,-apple-system,"Segoe UI",Roboto,Arial,sans-serif; color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0a0d14; --bg-2:#0f1420; --card:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.04) 55%); --ink:#eef1f7; --muted:#8c96aa; --line:rgba(255,255,255,.09); --soft:rgba(255,255,255,.05);
  --brand:#62e0a0; --brand-d:#4fd08f; --brand-l:rgba(98,224,160,.13); --violet:#8b7cff;
  --ok:#62e0a0; --warn:#f5b84b; --err:#ff6b7a; --info:#a99dff;
  --edge:rgba(255,255,255,.38); --glow-a:rgba(98,224,160,.28); --glow-b:rgba(139,124,255,.24);
  --shadow:0 28px 60px -28px rgba(0,0,0,.75); --inner:inset 0 1px 0 rgba(255,255,255,.07),inset 0 -12px 24px -16px rgba(0,0,0,.5);
  --surface:rgba(255,255,255,.045); --surface-2:rgba(255,255,255,.08); --field:rgba(255,255,255,.05); --pop:#121826; --on-brand:#04140c; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0a0d14; --bg-2:#0f1420; --card:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.04) 55%); --ink:#eef1f7; --muted:#8c96aa; --line:rgba(255,255,255,.09); --soft:rgba(255,255,255,.05);
  --brand:#62e0a0; --brand-d:#4fd08f; --brand-l:rgba(98,224,160,.13); --violet:#8b7cff;
  --ok:#62e0a0; --warn:#f5b84b; --err:#ff6b7a; --info:#a99dff;
  --edge:rgba(255,255,255,.38); --glow-a:rgba(98,224,160,.28); --glow-b:rgba(139,124,255,.24);
  --shadow:0 28px 60px -28px rgba(0,0,0,.75); --inner:inset 0 1px 0 rgba(255,255,255,.07),inset 0 -12px 24px -16px rgba(0,0,0,.5);
  --surface:rgba(255,255,255,.045); --surface-2:rgba(255,255,255,.08); --field:rgba(255,255,255,.05); --pop:#121826; --on-brand:#04140c; color-scheme:dark}

/* ---- база ---- */
html,body{background:var(--bg);color:var(--ink)}
body{-webkit-font-smoothing:antialiased;overflow-x:hidden;display:grid;grid-template-columns:var(--side-w) minmax(0,1fr);grid-template-rows:1fr auto;min-height:100vh}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(900px 520px at 12% -8%,var(--glow-a),transparent 62%),radial-gradient(800px 560px at 96% 10%,var(--glow-b),transparent 60%),radial-gradient(700px 500px at 50% 120%,var(--glow-b),transparent 60%)}
h1,h2{font-family:var(--font-display);font-weight:400;letter-spacing:-.02em;text-wrap:balance}
h1{font-size:clamp(22px,3vw,34px);line-height:1.15;font-weight:300;margin-bottom:12px} h2{font-size:17px;font-weight:450;letter-spacing:-.01em}
h3{font:500 11px/1.3 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
a{color:var(--info)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}
.eyebrow{font:500 11px/1.2 var(--font-mono);letter-spacing:.16em;color:var(--brand)}
.lead{max-width:720px}
.skip-link{background:var(--pop);color:var(--ink);border-radius:10px}
button,a,input,select,textarea{transition:background-color var(--t),border-color var(--t),box-shadow var(--t),color var(--t),transform var(--t),opacity var(--t)}

/* ---- каркас: боковая панель на всю высоту + контент на всю ширину ---- */
.app-header{grid-column:1;grid-row:1/3;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:6px;padding:22px 14px 18px;overflow-y:auto;
  background:color-mix(in srgb,var(--bg) 55%,transparent);border-right:1px solid var(--line);border-bottom:0;backdrop-filter:blur(22px) saturate(1.4);-webkit-backdrop-filter:blur(22px) saturate(1.4)}
.app-main{grid-column:2;grid-row:1;width:100%;max-width:none;margin:0;padding:clamp(20px,3vw,48px) clamp(16px,3.2vw,56px) 56px;min-width:0}
.app-footer{grid-column:2;grid-row:2;max-width:none;margin:0;padding:20px clamp(16px,3.2vw,56px);border-top:1px solid var(--line);color:var(--muted);font:400 11px var(--font-mono);letter-spacing:.04em}
.brand{padding:0 8px 16px;gap:12px;font-family:var(--font-display);font-weight:400;font-size:17px;letter-spacing:-.01em}
.brand small{font:400 10px var(--font-mono);letter-spacing:.08em;margin-top:4px}
.brand-logo{width:56px;height:56px;flex:none;border-radius:50%;object-fit:contain;background:#fff;box-shadow:0 0 18px var(--glow-a),0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}
.main-nav{display:flex;flex-direction:column;gap:4px;overflow:visible;max-width:none;margin:0;padding:0}
.main-nav a.nav{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:12px;border:1px solid transparent;color:var(--muted);font-size:14px;font-weight:550;white-space:nowrap;text-decoration:none}
.main-nav a.nav svg{width:18px;height:18px;flex:none}
.main-nav a.nav:hover{background:var(--surface-2);color:var(--ink);transform:translateX(2px)}
.main-nav a.nav:active{transform:scale(.98)}
.main-nav a.nav.on,.main-nav a.nav[aria-current=page]{background:var(--brand-l);color:var(--brand);border-color:color-mix(in srgb,var(--brand) 28%,transparent);box-shadow:0 0 22px -8px var(--glow-a)}
.main-nav a.active:after{display:none}
.account{margin-top:auto;display:flex;flex-direction:column;align-items:stretch;gap:10px;padding:14px 6px 0;border-top:1px solid var(--line)}
.account-label{display:block;font:500 11px var(--font-mono);letter-spacing:.1em;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.account-label b{color:var(--ink);font-weight:500}
.account-tools{display:flex;gap:8px}
.account-tools .btn-sm{flex:1}
.themebtn,.btn.themebtn{display:inline-grid;place-items:center;width:36px;min-width:36px;padding:0!important;flex:none!important}
.themebtn svg{width:16px;height:16px}
.palette-open{justify-content:space-between;width:100%;color:var(--muted)}
.palette-open kbd{font:500 11px/1 var(--font-mono);padding:3px 6px;border-radius:6px;border:1px solid var(--line);background:var(--surface)}

/* ---- стеклянные поверхности ---- */
.card,.panel,.metric-card,.workflow-card,.setup-callout,.login-card,.error-panel,.classroom,.record-card{position:relative;isolation:isolate;border:1px solid var(--line);border-radius:var(--r);background:var(--card);box-shadow:var(--inner),var(--shadow)}
.card,.panel,.metric-card,.workflow-card,.setup-callout,.login-card,.error-panel{backdrop-filter:blur(22px) saturate(1.4);-webkit-backdrop-filter:blur(22px) saturate(1.4)}
@supports not (backdrop-filter:blur(1px)){.card,.panel,.metric-card,.workflow-card,.setup-callout,.login-card,.error-panel,.app-header{background:var(--bg-2)}}
.card::before,.panel::before,.metric-card::before,.workflow-card::before,.setup-callout::before,.login-card::before,.error-panel::before,.classroom::before,.record-card::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;pointer-events:none;z-index:2;opacity:.5;transition:opacity var(--t);
  background:radial-gradient(260px circle at var(--mx,30%) var(--my,0%),var(--brand),transparent 65%),linear-gradient(145deg,var(--edge),transparent 38%,transparent 72%,var(--edge));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);mask-composite:exclude}
.card::after,.panel::after,.metric-card::after,.workflow-card::after,.setup-callout::after,.login-card::after,.error-panel::after,.classroom::after,.record-card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:1;opacity:0;transition:opacity var(--t);background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%),color-mix(in srgb,var(--ink) 7%,transparent),transparent 62%)}
@media (hover:hover) and (pointer:fine){
  .card:hover::before,.panel:hover::before,.metric-card:hover::before,.workflow-card:hover::before,.setup-callout:hover::before,.login-card:hover::before,.classroom:hover::before,.record-card:hover::before,
  .card:hover::after,.panel:hover::after,.metric-card:hover::after,.workflow-card:hover::after,.setup-callout:hover::after,.login-card:hover::after,.classroom:hover::after,.record-card:hover::after{opacity:1}
  .workflow-card:hover,.metric-card:hover{transform:translateY(-2px)}
}
.panel,.setup-callout,.workflow-card,.error-panel,.login-card{padding:clamp(18px,2vw,28px)}
.workflow-card:hover{border-color:var(--line);box-shadow:var(--inner),var(--shadow);text-decoration:none}
.workflow-card{color:var(--ink)}
.step-number{background:var(--brand-l);border-color:color-mix(in srgb,var(--brand) 28%,transparent);color:var(--brand);font-family:var(--font-mono);border-radius:14px}
.card-action{color:var(--brand);border-color:var(--line)}
.setup-callout p:last-child,.workflow-card p{color:var(--muted)}
.classroom{overflow:visible}
.classroom-header{border-color:var(--line)}
.classroom-item{background:var(--surface);border-color:var(--line);border-radius:18px;box-shadow:var(--inner)}
.classroom-item:hover{border-color:color-mix(in srgb,var(--brand) 50%,transparent);background:var(--surface-2)}
.record-card h3{font:500 14px/1.4 var(--font-body,Onest,system-ui,sans-serif);letter-spacing:0;text-transform:none;color:var(--ink)}
.record-meta dt{font:500 10.5px var(--font-mono);letter-spacing:.1em;text-transform:uppercase}

/* ---- bento (дашборд) ---- */
.bento{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:minmax(150px,auto);gap:16px;margin-bottom:32px}
.bento>.metric-card{display:flex;flex-direction:column;gap:10px;min-width:0;padding:22px 24px}
.b22{grid-column:span 2;grid-row:span 2}.b21{grid-column:span 2}
.metric-card>span,.lbl{font:500 11px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.metric-card strong,.big{font-family:var(--font-display);font-weight:300;letter-spacing:-.03em;font-variant-numeric:tabular-nums;font-size:44px;line-height:1.1;margin:4px 0}
.b22 strong{font-size:clamp(56px,7vw,92px)}
.metric-card small{color:var(--muted);font-size:12px;margin-top:auto}
.ring{--p:0;width:96px;height:96px;border-radius:50%;background:conic-gradient(var(--brand) calc(var(--p)*360deg),var(--soft) 0);display:grid;place-items:center;box-shadow:0 0 30px -8px var(--glow-a);margin-top:auto}
.ring div{width:76px;height:76px;border-radius:50%;background:var(--bg-2);display:grid;place-items:center;font:300 20px var(--font-display);box-shadow:inset 0 2px 8px rgba(0,0,0,.25)}
.ring-row{display:flex;align-items:center;gap:18px;margin-top:auto}
.ring-row small{margin:0}
.section-heading>.muted{font-family:var(--font-mono);letter-spacing:.06em}
.workflow-grid{gap:16px}

/* ---- кнопки ---- */
.btn{border-radius:14px;border:1px solid var(--line);color:var(--ink);font-weight:650;padding:10px 20px;min-height:44px;background:var(--surface-2);box-shadow:var(--inner);transition:transform var(--t),box-shadow var(--t),background-color var(--t),border-color var(--t),color var(--t)}
.btn:hover{background:var(--surface-2);border-color:color-mix(in srgb,var(--ink) 25%,transparent);text-decoration:none}
.btn:active{transform:scale(.97)}
.btn-primary,.btn-success{color:var(--on-brand);border-color:transparent;background:linear-gradient(180deg,color-mix(in srgb,var(--brand) 100%,#fff 14%),var(--brand));
  box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 -2px 6px rgba(0,0,0,.16) inset,0 12px 28px -12px var(--brand),0 2px 5px rgba(0,0,0,.2)}
.btn-primary:hover,.btn-success:hover{border-color:transparent;background:linear-gradient(180deg,color-mix(in srgb,var(--brand) 100%,#fff 22%),var(--brand-d));box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 -2px 6px rgba(0,0,0,.16) inset,0 18px 36px -12px var(--brand),0 2px 5px rgba(0,0,0,.2)}
.btn-quiet{background:transparent;box-shadow:none;color:var(--muted)}
.btn-quiet:hover{background:var(--soft);color:var(--ink)}
.btn-danger{background:var(--surface);color:var(--err);border-color:color-mix(in srgb,var(--err) 35%,transparent);box-shadow:none}
.btn-danger:hover{background:color-mix(in srgb,var(--err) 14%,transparent);border-color:color-mix(in srgb,var(--err) 50%,transparent)}
.btn-sm{min-height:36px;padding:7px 14px;border-radius:12px}
button:disabled,.btn:disabled,.btn[aria-disabled=true]{opacity:.4;transform:none;box-shadow:none}
.page-heading{align-items:flex-start}
.page-heading>.btn{flex-shrink:0}

/* ---- формы ---- */
.form-field label{color:var(--ink);opacity:.82;font:500 11px/1.3 var(--font-mono);letter-spacing:.1em;text-transform:uppercase}
.checkbox-label{color:var(--ink)}
input:not([type=checkbox]):not([type=radio]),select,textarea{background:var(--field);border:1px solid var(--line);border-radius:12px;color:var(--ink);box-shadow:inset 0 2px 6px rgba(0,0,0,.08)}
input[type=file]{background:var(--soft)!important;border:1px dashed var(--line)!important}
select option{background:var(--pop);color:var(--ink)}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px color-mix(in srgb,var(--brand) 20%,transparent);outline:none}
input:disabled,select:disabled,textarea:disabled{background:var(--soft);color:var(--muted)}
input[aria-invalid=true]{border-color:var(--err);box-shadow:0 0 0 4px color-mix(in srgb,var(--err) 18%,transparent)}
input::placeholder,textarea::placeholder{color:var(--muted);opacity:.7}
input[type=checkbox],input[type=radio]{accent-color:var(--brand)}
.field-error,.required{color:var(--err)}
.password-field button{color:var(--info)} .password-field button:hover{background:var(--soft)}
.document-card,.print-format-card{background:var(--field);border-color:var(--line);border-radius:18px;box-shadow:var(--inner)}
.document-card:hover{border-color:color-mix(in srgb,var(--brand) 60%,transparent)}
.document-card:has(input:checked){background:var(--brand-l);border-color:var(--brand);box-shadow:0 0 18px -6px var(--glow-a)}
.document-card>span{font-family:var(--font-mono);letter-spacing:.06em}

/* ---- статусы ---- */
.notice{background:color-mix(in srgb,var(--violet) 12%,transparent);border-color:color-mix(in srgb,var(--violet) 30%,transparent);color:var(--ink);border-radius:14px}
.notice-error{background:color-mix(in srgb,var(--err) 12%,transparent);border-color:color-mix(in srgb,var(--err) 30%,transparent);color:var(--err)}
.notice-success{background:var(--brand-l);border-color:color-mix(in srgb,var(--brand) 30%,transparent);color:var(--brand)}
.badge{background:var(--brand-l);color:var(--brand);border:1px solid color-mix(in srgb,var(--brand) 30%,transparent);font-size:12.5px}
.empty-state{background:var(--soft);border-color:var(--line);border-radius:18px}
.toast{background:var(--pop);color:var(--ink);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.toast.error{background:color-mix(in srgb,var(--err) 22%,var(--pop));border-color:var(--err)}
.toast.success{background:color-mix(in srgb,var(--ok) 20%,var(--pop));border-color:var(--ok)}

/* ---- таблицы ---- */
.table-scroll{border-color:var(--line);border-radius:16px;background:var(--surface)}
table{font-size:13px;font-variant-numeric:tabular-nums}
th{background:var(--soft);color:var(--muted);font:500 11px var(--font-mono);letter-spacing:.12em;text-transform:uppercase}
th,td{border-color:var(--line)}
tbody tr:hover{background:var(--surface-2)}

/* ---- диалоги ---- */
.app-dialog{background:var(--pop);color:var(--ink);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow),0 0 0 1px rgba(255,255,255,.03)}
.app-dialog[open]{animation:pop .2s ease}
.app-dialog::backdrop{background:color-mix(in srgb,var(--bg) 60%,transparent);backdrop-filter:blur(10px)}
.dialog-actions{border-color:var(--line)}
.icon-button{background:var(--soft);color:var(--muted)} .icon-button:hover{background:var(--surface-2);color:var(--ink)}
@keyframes pop{from{transform:translateY(10px) scale(.97);opacity:0}to{transform:none;opacity:1}}

/* ---- рассадка ---- */
.classrooms-container{grid-template-columns:repeat(auto-fit,minmax(min(100%,560px),1fr));align-items:start}
.seating-summary strong{color:var(--ink);font-family:var(--font-mono)}
.desk{background:var(--soft);border:1px solid var(--line);color:var(--muted);border-radius:12px;font-family:var(--font-mono);transition:border-color var(--t),box-shadow var(--t),background-color var(--t),transform var(--t)}
.desk:hover{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}
.desk:active{transform:scale(.97)}
.desk.occupied{background:var(--brand-l);border-color:color-mix(in srgb,var(--brand) 40%,transparent);color:var(--ink)}
.desk.blocked{background:repeating-linear-gradient(135deg,var(--soft),var(--soft) 6px,var(--line) 6px,var(--line) 12px);color:var(--muted)}
.desk.drag-over{border-color:var(--brand);box-shadow:0 0 0 4px color-mix(in srgb,var(--brand) 25%,transparent)}
.desk-place{color:var(--brand)}
.seat-details{background:var(--soft);border-radius:14px}
.legend:before{background:var(--brand-l);border-color:color-mix(in srgb,var(--brand) 40%,transparent)}
.legend.free:before{background:var(--soft);border-color:var(--line)}
.legend.blocked:before{background:var(--line)}

/* ---- вход (на весь экран) ---- */
body.login-page{display:flex;flex-direction:column;background:var(--bg);min-height:100vh}
.login-header{max-width:none;padding:clamp(20px,3vw,40px) clamp(20px,5vw,72px)}
.login-header .brand{padding:0}
.login-main{max-width:none;padding:0 clamp(20px,5vw,72px) 48px;gap:clamp(24px,6vw,100px)}
.login-intro h1{font-size:clamp(30px,5vw,60px);letter-spacing:-.03em;line-height:1.1}
.login-steps{font-family:var(--font-mono);letter-spacing:.1em;color:var(--muted)}
.login-card{box-shadow:var(--inner),var(--shadow),0 0 90px -30px var(--glow-a);max-width:520px;width:100%;justify-self:end}
.login-icon{background:var(--brand-l);color:var(--brand);border-radius:14px}
.login-footer{color:var(--muted);font-family:var(--font-mono)}
.error-panel h1{color:var(--brand);font-size:72px}

/* ---- каскадное появление ---- */
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.app-main>section,.app-main>form,.app-main>.two-column,.app-main>.import-steps,.bento>*,.workflow-grid>*{animation:rise .2s ease both}
.app-main>*:nth-child(3),.bento>*:nth-child(2),.workflow-grid>*:nth-child(2){animation-delay:30ms}
.app-main>*:nth-child(4),.bento>*:nth-child(3),.workflow-grid>*:nth-child(3){animation-delay:60ms}
.app-main>*:nth-child(n+5),.bento>*:nth-child(n+4){animation-delay:90ms}

/* ---- командная строка Ctrl/Cmd+K ---- */
.cmdovl{position:fixed;inset:0;z-index:120;display:grid;justify-items:center;align-content:start;padding:min(14vh,110px) 14px 14px;background:color-mix(in srgb,var(--bg) 55%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);opacity:0;pointer-events:none;transition:opacity .18s ease}
.cmdovl.on{opacity:1;pointer-events:auto}
.cmdpal{position:relative;width:min(620px,100%);border-radius:24px;overflow:hidden;background:var(--pop);border:1px solid var(--line);box-shadow:var(--shadow),0 0 80px -30px var(--glow-a);transform:translateY(-12px) scale(.97);transition:transform .18s ease}
.cmdovl.on .cmdpal{transform:none}
.cmdpal .in{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line)}
.cmdpal input{flex:1;min-width:0;background:transparent!important;border:0!important;outline:0;box-shadow:none!important;font-size:17px;padding:0!important;min-height:0;color:var(--ink)}
.cmdpal ul{list-style:none;margin:0;padding:8px;max-height:min(50vh,360px);overflow:auto}
.cmdpal li{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:14px;cursor:pointer}
.cmdpal li small{margin-left:auto;font:400 11.5px var(--font-mono);color:var(--muted);white-space:nowrap}
.cmdpal li[aria-selected="true"]{background:var(--brand-l)}
.cmdpal li svg,.cmdpal .in svg{width:18px;height:18px;flex:none;color:var(--muted)}
.cmdpal .ft{display:flex;gap:16px;padding:11px 18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.cmdpal .k{font:500 11px/1 var(--font-mono);padding:3px 6px;border-radius:6px;border:1px solid var(--line);background:var(--surface)}

/* ---- адаптив ---- */
@media (max-width:1100px){.bento{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){
  body{grid-template-columns:minmax(0,1fr);grid-template-rows:auto 1fr auto}
  /* шапка = верхняя полоса; меню — плавающий док. backdrop-filter снят: он ломает position:fixed у потомков */
  .app-header{grid-column:1;grid-row:1;position:sticky;top:0;z-index:40;height:auto;flex-direction:row;align-items:center;justify-content:space-between;padding:10px 16px;border-right:0;border-bottom:1px solid var(--line);overflow:visible;backdrop-filter:none;-webkit-backdrop-filter:none;background:color-mix(in srgb,var(--bg) 92%,transparent)}
  .brand{padding:0}
  .brand-logo{width:44px;height:44px}
  .account{margin:0;padding:0;border:0;flex-direction:row;align-items:center}
  .account-label,.palette-open{display:none}
  .app-main{grid-column:1;grid-row:2;padding-bottom:120px}
  .app-footer{grid-column:1;grid-row:3;padding-bottom:110px}
  .main-nav{position:fixed;left:50%;bottom:calc(14px + env(safe-area-inset-bottom,0px));transform:translate(-50%,0);z-index:50;flex-direction:row;gap:2px;padding:6px;width:max-content;max-width:calc(100vw - 16px);border-radius:24px;
    background:color-mix(in srgb,var(--pop) 80%,transparent);border:1px solid var(--line);backdrop-filter:blur(22px) saturate(1.6);-webkit-backdrop-filter:blur(22px) saturate(1.6);box-shadow:0 18px 40px -12px rgba(0,0,0,.5),var(--inner);transition:transform .2s ease,opacity .2s ease}
  .main-nav.away{transform:translate(-50%,calc(100% + 30px));opacity:0}
  .main-nav a.nav{flex-direction:column;gap:3px;min-width:0;flex:1 1 0;padding:8px 6px 6px;font-size:10px;font-weight:500;border-radius:18px;justify-content:center;overflow:hidden}
  .main-nav a.nav span{font-size:0;line-height:1}
  .main-nav a.nav span::after{content:attr(data-short);font-size:10px;line-height:1.2;white-space:nowrap}
  .main-nav a.nav svg{width:21px;height:21px}
  .main-nav a.nav:hover{transform:none}
  .toast{bottom:92px}
  .login-card{justify-self:stretch;max-width:none}
}
@media (max-width:560px){.bento{grid-template-columns:minmax(0,1fr)}.b22,.b21{grid-column:auto}.b22{grid-row:auto}}

/* ---- вход через LDAP, настройки и мониторинг ---- */
.seg{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;margin-bottom:22px;background:var(--surface);border:1px solid var(--line);border-radius:14px}
.seg button{min-height:40px;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--muted);font-weight:600;font-size:13px}
.seg button:hover{color:var(--ink);background:var(--soft)}
.seg button[aria-pressed=true]{background:var(--brand-l);color:var(--brand);border-color:color-mix(in srgb,var(--brand) 28%,transparent)}
.pending-screen{text-align:center;padding:8px 0 4px}
.pending-screen .pending-icon{display:grid;place-items:center;width:56px;height:56px;margin:0 auto 18px;border-radius:18px;background:color-mix(in srgb,var(--warn) 14%,transparent);font-size:26px}
.pending-screen h3{font:400 17px var(--font-display);letter-spacing:-.01em;text-transform:none;color:var(--ink);margin-bottom:12px}
.pending-screen p{color:var(--muted);margin-bottom:22px}
.nowrap{flex-wrap:nowrap}
.nowrap input{flex:1;min-width:0}
.badge-error{background:color-mix(in srgb,var(--err) 14%,transparent);color:var(--err);border-color:color-mix(in srgb,var(--err) 30%,transparent)}
.badge-warn{background:color-mix(in srgb,var(--warn) 14%,transparent);color:var(--warn);border-color:color-mix(in srgb,var(--warn) 30%,transparent)}
.switch-row{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;margin:4px 0 22px;border:1px solid var(--line);border-radius:18px;background:var(--surface);cursor:pointer}
.switch-row:hover{border-color:color-mix(in srgb,var(--brand) 50%,transparent)}
.switch-row small{display:block;color:var(--muted);margin-top:4px;line-height:1.5}
.switch-row input{appearance:none;-webkit-appearance:none;flex:none;width:44px!important;height:26px!important;margin:2px 0 0!important;border-radius:999px;border:1px solid var(--line);background:var(--soft);position:relative;cursor:pointer;transition:background-color var(--t),border-color var(--t)}
.switch-row input::after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:var(--muted);transition:transform var(--t),background-color var(--t)}
.switch-row input:checked{background:var(--brand-l);border-color:var(--brand)}
.switch-row input:checked::after{transform:translateX(18px);background:var(--brand)}
.group-map{border:0;margin:0 0 22px;padding:0;min-width:0}
.group-map legend{font:500 11px/1.3 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px;padding:0}
.group-rows{display:grid;gap:10px;margin-bottom:12px}
.group-row{display:grid;grid-template-columns:minmax(0,1fr) 24px minmax(150px,220px) auto;gap:10px;align-items:center}
.group-arrow{text-align:center;color:var(--muted)}
.status-bento{grid-auto-rows:minmax(130px,auto)}
.status-bento .metric-card strong{font-size:clamp(24px,2.3vw,34px);overflow-wrap:anywhere}
.chip-row{display:flex;gap:8px;margin:6px 0}
.section-block.panel{margin-bottom:24px}
td select{min-height:36px;padding:6px 10px}
@media (max-width:700px){.group-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.group-row .group-name{grid-column:1/-1}.group-arrow{display:none}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition-duration:.01ms!important}}
@media (prefers-reduced-transparency:reduce){.card,.panel,.metric-card,.workflow-card,.setup-callout,.login-card,.error-panel,.app-header,.main-nav{backdrop-filter:none;-webkit-backdrop-filter:none}.main-nav{background:var(--pop)}}