/* Notafy — основной сайт. Шрифты: Onest, Literata, Unbounded (SIL OFL 1.1), лежат в vendor/fonts. */
@font-face{font-family:"Onest";src:url("vendor/fonts/onest.woff") format("woff");font-weight:400 800;font-display:swap}
@font-face{font-family:"Literata";src:url("vendor/fonts/literata.woff") format("woff");font-weight:400 700;font-style:normal;font-display:swap}
@font-face{font-family:"Literata";src:url("vendor/fonts/literata-italic.woff") format("woff");font-weight:400 600;font-style:italic;font-display:swap}
@font-face{font-family:"Unbounded";src:url("vendor/fonts/unbounded.woff") format("woff");font-weight:500 800;font-display:swap}

:root{
  --font-ui:"Onest",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-read:"Literata",Georgia,"Times New Roman",serif;
  --font-display:"Unbounded","Onest",system-ui,sans-serif;
  --font-mono:ui-monospace,"Cascadia Mono","Consolas",monospace;

  --bg:#f3f1e9;--surface:#fffefb;--surface-2:#f8f6f0;--surface-3:#efece2;
  --ink:#111a27;--ink-2:#353e4c;--muted:#6b7280;--faint:#9aa0a8;
  --line:#e5e1d6;--line-2:#d6d1c3;
  --brand:#12a866;--brand-ink:#0a7a49;--brand-soft:#e1f4e9;--brand-glow:rgba(18,168,102,.18);
  --hl:#ffe375;--hl-soft:#fff5c7;--hl-ink:#5b4500;
  --blue:#2f6fe4;--blue-soft:#e6eefc;
  --danger:#d64535;--danger-soft:#fde9e6;
  --logo-paper:#fff;--logo-ink:#111a27;
  --shadow-1:0 1px 2px rgba(17,26,39,.05),0 1px 1px rgba(17,26,39,.03);
  --shadow-2:0 2px 6px rgba(17,26,39,.05),0 10px 30px -10px rgba(17,26,39,.12);
  --shadow-3:0 24px 60px -18px rgba(17,26,39,.32);
  --r-sm:8px;--r:12px;--r-lg:18px;--r-xl:24px;
  --sidebar:276px;
  color-scheme:light;
}
html[data-theme="dark"]{
  --bg:#0f1217;--surface:#161a21;--surface-2:#1c212a;--surface-3:#232935;
  --ink:#eef1f5;--ink-2:#c8ced8;--muted:#949cab;--faint:#6d7584;
  --line:#272d38;--line-2:#333a47;
  --brand:#2ccb80;--brand-ink:#5ee0a3;--brand-soft:rgba(44,203,128,.14);--brand-glow:rgba(44,203,128,.22);
  --hl:#e9c84a;--hl-soft:rgba(233,200,74,.16);--hl-ink:#f3dd8a;
  --blue:#6c9cff;--blue-soft:rgba(108,156,255,.14);
  --danger:#ff7a6b;--danger-soft:rgba(255,122,107,.14);
  --logo-paper:#eef1f5;--logo-ink:#0f1217;
  --shadow-1:0 1px 2px rgba(0,0,0,.3);
  --shadow-2:0 2px 6px rgba(0,0,0,.25),0 12px 30px -12px rgba(0,0,0,.5);
  --shadow-3:0 24px 60px -18px rgba(0,0,0,.7);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 var(--font-ui);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
a{color:var(--brand-ink)}
svg{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.hidden{display:none!important}
.muted{color:var(--muted)}
.small{font-size:13px}
kbd{font:600 11px/1 var(--font-ui);padding:3px 5px;border-radius:5px;border:1px solid var(--line-2);border-bottom-width:2px;color:var(--muted);background:var(--surface)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:var(--hl)}
html[data-theme="dark"] ::selection{color:#111}

/* ---------- бренд ---------- */
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font:700 19px/1 var(--font-display);letter-spacing:-.02em}
.brand-mark{width:34px;height:34px;stroke:none}
.brand-lg{font-size:24px}.brand-lg .brand-mark{width:44px;height:44px}

/* ---------- кнопки и поля ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 16px;border-radius:var(--r);font-weight:600;font-size:14px;white-space:nowrap;transition:background .15s,border-color .15s,transform .1s,box-shadow .15s;border:1px solid transparent}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--ink);color:var(--surface)}
.btn-primary:hover:not(:disabled){background:color-mix(in srgb,var(--ink) 86%,var(--brand))}
html[data-theme="dark"] .btn-primary{background:var(--brand);color:#06150d}
html[data-theme="dark"] .btn-primary:hover:not(:disabled){background:color-mix(in srgb,var(--brand) 85%,#fff)}
.btn-primary.danger{background:var(--danger);color:#fff}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink-2)}
.btn-ghost:hover:not(:disabled){border-color:var(--line-2);background:var(--surface-2);color:var(--ink)}
.btn-ghost.active,.btn-ghost[aria-pressed="true"]{background:var(--brand-soft);border-color:transparent;color:var(--brand-ink)}
.btn-ghost.danger:hover{color:var(--danger);background:var(--danger-soft);border-color:transparent}
.btn.sm{height:34px;padding:0 12px;font-size:13px;border-radius:10px}
.btn.sm svg{width:16px;height:16px}
.btn-lg{height:50px;font-size:15.5px;border-radius:14px}
.btn-block{width:100%}
.btn.square{width:44px;padding:0;flex:none;height:44px}
.icon-btn{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;color:var(--muted);transition:background .15s,color .15s}
.icon-btn:hover{background:var(--surface-3);color:var(--ink)}
.icon-btn.xs{width:26px;height:26px;border-radius:7px}
.icon-btn.xs svg{width:15px;height:15px}
.link-btn{color:var(--brand-ink);font-weight:600;font-size:13.5px;padding:4px 0;align-self:center}
.link-btn:hover{text-decoration:underline}
.link-btn.right{align-self:flex-end;margin-top:-6px}
.spin{width:16px;height:16px;border-radius:50%;border:2px solid currentColor;border-right-color:transparent;animation:spin .7s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}

.fld{display:flex;flex-direction:column;gap:7px;margin:0 0 16px;min-width:0}
.fld>span{font-size:12.5px;font-weight:600;color:var(--ink-2);letter-spacing:.01em}
.input,.select,.textarea{width:100%;border:1px solid var(--line);background:var(--surface);border-radius:var(--r);padding:0 14px;height:44px;outline:none;transition:border-color .15s,box-shadow .15s}
.textarea{height:auto;min-height:220px;padding:13px 14px;resize:vertical;line-height:1.6}
.textarea.short{min-height:120px}
.input:focus,.select:focus,.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-glow)}
.input::placeholder,.textarea::placeholder{color:var(--faint)}
.select{appearance:none;padding-right:38px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;cursor:pointer}
.select.auto{width:auto}
.code-input{font:600 22px/1 var(--font-mono);letter-spacing:.4em;text-align:center}

.seg{display:flex;gap:4px;padding:4px;border-radius:13px;background:var(--surface-3);border:1px solid var(--line)}
.seg button{flex:1;height:36px;border-radius:9px;font-size:13.5px;font-weight:600;color:var(--muted);transition:background .15s,color .15s,box-shadow .15s;padding:0 10px}
.seg button:hover{color:var(--ink)}
.seg button.active{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-1)}
.seg-inline{display:inline-flex;margin-bottom:16px}
.seg-inline button{flex:none;padding:0 16px}

.switch{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:14px;font-weight:500;user-select:none}
.switch input{position:absolute;opacity:0;pointer-events:none}
.switch .sw{width:38px;height:22px;border-radius:99px;background:var(--line-2);position:relative;transition:background .2s;flex:none}
.switch .sw::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.25);transition:transform .2s}
.switch input:checked+.sw{background:var(--brand)}
.switch input:checked+.sw::after{transform:translateX(16px)}
.switch input:focus-visible+.sw{outline:2px solid var(--brand);outline-offset:2px}

.chip{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 11px;border-radius:99px;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink-2);background:var(--surface);transition:background .15s,border-color .15s}
.chip svg{width:14px;height:14px}
.chip:hover{border-color:var(--line-2)}
.chip.active{background:var(--ink);color:var(--surface);border-color:var(--ink)}
html[data-theme="dark"] .chip.active{background:var(--brand);border-color:var(--brand);color:#06150d}
.count{font-size:11.5px;font-weight:700;color:var(--faint);font-variant-numeric:tabular-nums}
.chip.active .count{color:inherit;opacity:.7}

.search{display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;border-radius:11px;background:var(--surface);border:1px solid var(--line);color:var(--faint)}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-glow)}
.search svg{width:16px;height:16px}
.search input{border:0;outline:0;background:none;width:100%;min-width:0;font-size:14px;color:var(--ink)}
.search.wide{height:44px;flex:1;min-width:220px}

/* ---------- вход ---------- */
.auth{position:fixed;inset:0;z-index:60;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);background:var(--bg);overflow:auto}
.auth-hero{position:relative;background:#111a27;color:#eef1f5;overflow:hidden;display:flex;align-items:center;justify-content:center;padding:48px}
.auth-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 400px at 85% 10%,rgba(18,168,102,.35),transparent 60%),radial-gradient(500px 380px at 0% 100%,rgba(255,227,117,.16),transparent 60%);pointer-events:none}
.auth-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(180deg,#000,transparent 85%);pointer-events:none}
.auth-hero-inner{position:relative;z-index:1;max-width:520px;width:100%}
.auth-hero .brand{color:#fff;--logo-paper:#fff;--logo-ink:#111a27}
.hero-title{font:700 clamp(30px,3.6vw,44px)/1.12 var(--font-display);letter-spacing:-.03em;margin:34px 0 16px}
.hl{background:linear-gradient(transparent 58%,rgba(255,227,117,.85) 58%,rgba(255,227,117,.85) 92%,transparent 92%);color:inherit;padding:0 2px}
.auth-hero .hl{background:none;color:var(--hl)}
.hero-sub{color:#b9c1cd;font-size:16.5px;max-width:440px;margin:0 0 30px}
.hero-sheet{background:#fffefb;color:#111a27;border-radius:16px;padding:22px 24px;box-shadow:0 30px 60px -20px rgba(0,0,0,.6);transform:rotate(-1.6deg);max-width:420px;position:relative}
.hero-sheet::before{content:"";position:absolute;left:-10px;top:24px;bottom:24px;width:10px;background:repeating-linear-gradient(180deg,transparent 0 10px,#12a866 10px 16px);border-radius:3px}
.hs-tag{display:inline-block;font:700 10.5px/1 var(--font-ui);letter-spacing:.08em;text-transform:uppercase;color:#0a7a49;background:#e1f4e9;padding:5px 8px;border-radius:6px}
.hs-title{font:600 24px/1.2 var(--font-read);margin:10px 0 12px}
.hs-idea{font:15px/1.55 var(--font-read);background:#fff5c7;border-left:3px solid #e9c84a;padding:10px 12px;border-radius:0 8px 8px 0}
.hs-line{height:9px;border-radius:5px;background:#ece8dc;margin:14px 0 0}
.hs-line.short{width:62%;margin-top:9px}
.hs-keys{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.hs-keys span{font-size:12px;font-weight:600;border:1px solid #e5e1d6;border-radius:99px;padding:4px 10px}
.hero-formats{display:flex;gap:8px;list-style:none;padding:0;margin:30px 0 0;flex-wrap:wrap}
.hero-formats li{font-size:12px;font-weight:700;letter-spacing:.06em;color:#d6dce5;border:1px solid rgba(255,255,255,.18);border-radius:99px;padding:6px 12px}
.auth-panel{display:flex;align-items:center;justify-content:center;padding:40px 24px}
.auth-card{width:100%;max-width:400px;display:flex;flex-direction:column}
.auth-brand-mobile{display:none;margin-bottom:22px}
.auth-title{font:700 28px/1.15 var(--font-display);letter-spacing:-.03em;margin:0 0 6px}
.auth-sub{color:var(--muted);margin:0 0 24px}
.auth-tabs{display:flex;gap:4px;padding:4px;background:var(--surface-3);border:1px solid var(--line);border-radius:13px;margin-bottom:22px}
.auth-tab{flex:1;height:38px;border-radius:9px;font-weight:600;color:var(--muted)}
.auth-tab.active{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-1)}
.auth-form{display:flex;flex-direction:column}
.auth-form .btn-block{margin-top:4px}
.auth-form .link-btn{margin-top:10px}
.auth-msg{min-height:22px;margin-top:14px;font-size:14px;color:var(--danger);text-align:center}
.auth-msg.ok{color:var(--brand-ink)}
.auth-note{font-size:13px;color:var(--faint);text-align:center;margin:8px 0 0}

/* ---------- каркас ---------- */
.app{display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr);min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:18px;padding:18px 16px 14px;background:var(--surface-2);border-right:1px solid var(--line);overflow:hidden;z-index:40}
.sb-top{display:flex;align-items:center;justify-content:space-between;padding:2px 4px}
.sb-close{display:none}
.btn-new{height:44px;justify-content:flex-start}
.btn-new span{flex:1;text-align:left}
.btn-new kbd{background:transparent;color:inherit;opacity:.6;border-color:currentColor}
.sb-nav{display:flex;flex-direction:column;gap:2px}
.sb-nav a{display:flex;align-items:center;gap:11px;height:38px;padding:0 10px;border-radius:10px;color:var(--ink-2);text-decoration:none;font-weight:500;font-size:14.5px;transition:background .15s,color .15s}
.sb-nav a svg{color:var(--muted)}
.sb-nav a span:first-of-type{flex:1}
.sb-nav a:hover{background:var(--surface-3);color:var(--ink)}
.sb-nav a.active{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-1);font-weight:600}
.sb-nav a.active svg{color:var(--brand)}
.sb-section{display:flex;flex-direction:column;gap:8px;min-height:0}
.sb-label{display:flex;align-items:center;justify-content:space-between;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);padding:0 6px}
.sb-filters{display:flex;flex-wrap:wrap;gap:6px}
.subjects{display:flex;flex-direction:column;gap:1px;max-height:150px;overflow:auto}
.subject{display:flex;align-items:center;gap:9px;height:32px;padding:0 8px;border-radius:9px;font-size:14px;color:var(--ink-2);text-align:left;width:100%}
.subject .dot{width:9px;height:9px;border-radius:3px;background:var(--c,#999);flex:none}
.subject .name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.subject:hover{background:var(--surface-3)}
.subject.active{background:var(--surface);box-shadow:var(--shadow-1);color:var(--ink);font-weight:600}
.subject.empty{color:var(--faint);font-size:13px;cursor:default}
.subject.empty:hover{background:none}
.sb-notes{flex:1;min-height:80px}
.note-list{flex:1;overflow:auto;display:flex;flex-direction:column;gap:2px;margin:0 -6px;padding:0 6px}
.note-row{position:relative}
.note{display:flex;flex-direction:column;gap:1px;width:100%;text-align:left;padding:8px 34px 8px 10px;border-radius:10px;transition:background .12s}
.note:hover{background:var(--surface-3)}
.note.active{background:var(--surface);box-shadow:var(--shadow-1)}
.note .t{font-size:14px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:flex;align-items:center;gap:5px}
.note .t svg{width:12px;height:12px;fill:var(--hl);stroke:var(--hl-ink);flex:none}
.note .d{font-size:12px;color:var(--faint);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.note.empty{color:var(--faint);font-size:13px;padding:8px 10px;cursor:default}
.note.empty:hover{background:none}
.note-delete{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:26px;height:26px;display:grid;place-items:center;border-radius:7px;color:var(--faint);opacity:0;transition:opacity .15s,background .15s,color .15s}
.note-delete svg{width:15px;height:15px}
.note-row:hover .note-delete,.note-delete:focus-visible{opacity:1}
.note-delete:hover{background:var(--danger-soft);color:var(--danger)}
.sb-user{position:relative;border-top:1px solid var(--line);padding-top:12px;margin:0 -4px}
.user-btn{display:flex;align-items:center;gap:10px;width:100%;padding:6px;border-radius:12px;text-align:left}
.user-btn:hover{background:var(--surface-3)}
.avatar{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:700;font-size:14px;flex:none}
.user-meta{flex:1;min-width:0;display:flex;flex-direction:column}
.user-meta b{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-meta small{font-size:12px;color:var(--faint);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-btn .chev{width:15px;height:15px;color:var(--faint);transform:rotate(180deg)}

.menu-pop{position:absolute;z-index:50;min-width:210px;padding:6px;border-radius:14px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-3);display:none;flex-direction:column;gap:1px;right:0;top:calc(100% + 6px)}
.menu-pop.up{top:auto;bottom:calc(100% + 6px);left:0;right:0}
.menu-pop.open{display:flex;animation:pop .14s ease-out}
@keyframes pop{from{opacity:0;transform:translateY(4px) scale(.98)}}
.menu-pop button{display:flex;align-items:center;gap:10px;height:38px;padding:0 10px;border-radius:9px;font-size:14px;text-align:left;color:var(--ink-2)}
.menu-pop button svg{width:16px;height:16px;color:var(--muted)}
.menu-pop button:hover{background:var(--surface-3);color:var(--ink)}
.menu-pop button.danger:hover,.menu-pop button.danger:hover svg{color:var(--danger);background:var(--danger-soft)}
.menu-pop .sep{height:1px;background:var(--line);margin:5px 4px}
.pop-wrap{position:relative}

.main{min-width:0;display:flex;flex-direction:column;min-height:100vh}
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:10px;padding:16px 28px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent}
.topbar.scrolled{border-bottom-color:var(--line)}
.burger{display:none}
.tb-titles{flex:1;min-width:0}
.tb-titles h1{font:700 21px/1.2 var(--font-display);letter-spacing:-.025em;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tb-titles p{margin:2px 0 0;color:var(--muted);font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.saved{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted);padding:6px 10px;border-radius:99px;background:var(--surface);border:1px solid var(--line);white-space:nowrap}
.saved .dot{width:7px;height:7px;border-radius:50%;background:var(--brand)}
.saved[data-state="saving"] .dot{background:var(--hl);animation:pulse 1s infinite}
.saved[data-state="error"] .dot{background:var(--danger)}
.saved[data-state="idle"]{opacity:0;pointer-events:none}
@keyframes pulse{50%{opacity:.35}}
.only-dark{display:none}
html[data-theme="dark"] .only-dark{display:block}
html[data-theme="dark"] .only-light{display:none}

.view{padding:8px 28px 40px;flex:1}

/* ---------- рабочая область ---------- */
.work{display:grid;grid-template-columns:minmax(330px,420px) minmax(0,1fr);gap:22px;align-items:start}
.work.reading{grid-template-columns:minmax(0,1fr)}
.work.reading .source{display:none}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1)}
.card.pad{padding:22px}
.source{position:sticky;top:88px;display:flex;flex-direction:column;max-height:calc(100vh - 104px)}
.card-head{display:flex;flex-direction:column;gap:12px;padding:18px 20px 0}
.card-head h2,.sub-h{display:flex;align-items:center;gap:10px;font:600 16px/1.2 var(--font-ui);margin:0}
.num{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:8px;background:var(--ink);color:var(--surface);font:700 12px/1 var(--font-display)}
html[data-theme="dark"] .num{background:var(--brand);color:#06150d}
.tabs{display:flex;gap:4px;padding:4px;border-radius:12px;background:var(--surface-3)}
.tab{flex:1;display:flex;align-items:center;justify-content:center;gap:7px;height:34px;border-radius:9px;font-size:13.5px;font-weight:600;color:var(--muted)}
.tab svg{width:16px;height:16px}
.tab:hover{color:var(--ink)}
.tab.active{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-1)}
.card-body{padding:16px 20px 4px;overflow:auto;flex:1;min-height:0}
.card-foot{padding:14px 20px 16px;border-top:1px solid var(--line);background:linear-gradient(var(--surface),var(--surface-2));border-radius:0 0 var(--r-lg) var(--r-lg)}
.hint{text-align:center;font-size:12.5px;color:var(--faint);margin:8px 0 0}
.pane{display:none}
.pane.show{display:block;animation:fade .2s ease-out}
@keyframes fade{from{opacity:0}}
.textarea-wrap{position:relative}
.textarea-wrap .textarea{padding-bottom:30px}
.counter{position:absolute;right:12px;bottom:9px;font-size:11.5px;color:var(--faint);background:var(--surface);padding:0 4px;border-radius:4px;font-variant-numeric:tabular-nums}
.counter.over{color:var(--danger)}
.source-chip{display:flex;align-items:center;gap:10px;padding:10px 10px 10px 12px;border-radius:var(--r);background:var(--brand-soft);color:var(--brand-ink);margin-bottom:10px}
.source-chip>svg{width:18px;height:18px}
.sc-text{flex:1;min-width:0;display:flex;flex-direction:column}
.sc-text b{font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink)}
.sc-text small{font-size:12px}
.drop{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;padding:30px 18px;border:1.5px dashed var(--line-2);border-radius:var(--r-lg);background:var(--surface-2);cursor:pointer;transition:border-color .15s,background .15s;margin-bottom:16px}
.drop:hover,.drop.over{border-color:var(--brand);background:var(--brand-soft)}
.drop b{font-size:14.5px}
.drop small{color:var(--muted);font-size:12.5px;max-width:300px}
.drop-ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);color:var(--brand);margin-bottom:6px;box-shadow:var(--shadow-1)}
.drop-ic svg{width:22px;height:22px}
.formats{display:flex;gap:5px;margin-top:6px}
.formats i{font:700 10.5px/1 var(--font-ui);font-style:normal;letter-spacing:.05em;padding:4px 7px;border-radius:6px;background:var(--surface);border:1px solid var(--line);color:var(--muted)}
.settings-block{border-top:1px solid var(--line);margin-top:4px;padding-top:18px}
.settings-block .sub-h{margin-bottom:16px}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.inline{display:flex;gap:8px}
.toggles{display:flex;flex-direction:column;gap:12px;margin:2px 0 16px}

/* ---------- лист конспекта ---------- */
.sheet-wrap{min-width:0;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--shadow-2);overflow:visible}
.sheet-bar{position:sticky;top:70px;z-index:5;display:flex;align-items:center;gap:8px;padding:12px 14px 12px 12px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:var(--r-xl) var(--r-xl) 0 0}
.sheet-bar h2{flex:1;min-width:0;font:600 15px/1.2 var(--font-ui);margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2)}
.sheet-actions{display:flex;gap:6px;align-items:center}
.sheet-wrap.is-empty .sheet-actions,.sheet-wrap.is-empty .doc-foot{display:none}
.toolbar{position:sticky;top:129px;z-index:5;display:flex;align-items:center;gap:4px;padding:8px 14px;border-bottom:1px solid var(--line);background:var(--surface-2);flex-wrap:wrap}
.tb{min-width:34px;height:32px;padding:0 8px;border-radius:8px;font-size:14px;color:var(--ink-2)}
.tb:hover{background:var(--surface-3)}
.tb-note{flex:1;font-size:12.5px;color:var(--faint);padding-left:8px}
.sheet{padding:44px clamp(22px,6vw,72px) 48px;min-height:520px;position:relative}
.doc-foot{display:flex;align-items:center;gap:10px;padding:12px 14px;border-top:1px solid var(--line);flex-wrap:wrap}
.foot-subject{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 4px 0 10px;border-radius:10px;border:1px solid var(--line);color:var(--muted)}
.foot-subject svg{width:15px;height:15px}
.foot-subject select{border:0;background:none;outline:0;font-size:13px;font-weight:600;color:var(--ink-2);max-width:170px;cursor:pointer;padding-right:4px}
.foot-loc{flex:1;font-size:12.5px;color:var(--faint);min-width:100px}
.foot-actions{display:flex;gap:6px;flex-wrap:wrap}
#favBtn.on{background:var(--hl-soft);color:var(--hl-ink);border-color:transparent}
#favBtn.on svg{fill:var(--hl)}

/* документ */
.doc{font-family:var(--font-read);color:var(--ink);max-width:720px;margin:0 auto;counter-reset:sec}
.doc[contenteditable="true"]{outline:2px dashed var(--line-2);outline-offset:14px;border-radius:4px}
.doc-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-family:var(--font-ui)}
.doc-top .tag{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-ink);background:var(--brand-soft);padding:5px 9px;border-radius:7px}
.doc-top .meta{font-size:12.5px;color:var(--muted)}
.doc-top .sheet{display:none}
.dt{font:650 clamp(28px,3.4vw,38px)/1.15 var(--font-read);letter-spacing:-.015em;margin:16px 0 12px}
.dmeta{display:flex;gap:16px;flex-wrap:wrap;font:500 13px/1 var(--font-ui);color:var(--muted);padding-bottom:22px;margin-bottom:26px;border-bottom:1px solid var(--line)}
.dmeta span{display:inline-flex;align-items:center;gap:6px}
.dmeta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--line-2)}
.dmeta span:first-child::before{display:none}
.blk{margin:0 0 20px}
.blk p{font-size:17.5px;line-height:1.72;margin:0 0 12px}
.blk-h{display:flex;align-items:center;gap:9px;font:700 12px/1.2 var(--font-ui);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.blk-h svg{width:16px;height:16px;color:var(--brand)}
.blk.idea{position:relative;background:var(--hl-soft);border-radius:4px 16px 16px 4px;padding:18px 22px 6px 24px;margin-bottom:30px}
.blk.idea::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--hl);border-radius:4px}
.blk.idea .blk-h{color:var(--hl-ink)}
.blk.idea .blk-h svg{color:var(--hl-ink)}
.blk.idea p{font-size:19px;line-height:1.6}
.blk.head{margin:36px 0 12px}
.blk.head .blk-h{counter-increment:sec;font:650 23px/1.3 var(--font-read);letter-spacing:-.01em;text-transform:none;color:var(--ink);gap:12px;align-items:baseline;margin:0}
.blk.head .blk-h svg{display:none}
.blk.head .blk-h::before{content:counter(sec,decimal-leading-zero);font:700 12px/1 var(--font-display);color:var(--brand);letter-spacing:0;transform:translateY(-3px)}
.formula{position:relative;margin:4px 0;border-radius:14px;padding:20px 22px;text-align:center;border:1px solid var(--line);background-color:var(--surface-2);background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:20px 20px;background-position:-1px -1px}
.formula .cap{display:flex;align-items:center;justify-content:center;gap:7px;font:700 11.5px/1 var(--font-ui);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.formula .cap svg{width:15px;height:15px;color:var(--brand)}
.formula .eq{display:inline-block;font:600 22px/1.4 var(--font-read);background:var(--surface);padding:6px 16px;border-radius:10px;box-shadow:var(--shadow-1)}
.formula .sub{font:14px/1.5 var(--font-ui);color:var(--ink-2);margin-top:12px}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.col-card{border:1px solid var(--line);border-radius:14px;padding:16px 16px 12px;background:var(--surface)}
.col-card .ct{display:flex;align-items:center;gap:8px;font:700 15px/1.3 var(--font-ui);margin-bottom:8px}
.col-card .sq{width:10px;height:10px;border-radius:3px;background:var(--blue);flex:none}
.col-card.green .sq{background:var(--brand)}
.col-card:nth-child(3) .sq{background:#e0952b}
.col-card:nth-child(4) .sq{background:#a26be0}
.col-card p{font-size:15.5px;line-height:1.55;margin:0 0 6px;padding-left:18px;position:relative}
.col-card p::before{content:"–";position:absolute;left:4px;color:var(--faint)}
.col-card .res{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line-2);font:600 14px/1.45 var(--font-ui);color:var(--ink-2)}
.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.list li{position:relative;padding-left:30px;font-size:17px;line-height:1.6}
.list li::before{content:"";position:absolute;left:4px;top:.42em;width:16px;height:16px;border-radius:5px;background:var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2312a866' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat}
.blk.keys{background:var(--surface-2);border:1px solid var(--line);border-radius:16px;padding:18px 20px 14px}
.blk.keys .list{gap:10px}
.blk.keys .list li{padding-left:0;font-size:16px}
.blk.keys .list li::before{display:none}
.blk.keys .term{font-weight:700;background:linear-gradient(transparent 55%,var(--hl) 55%,var(--hl) 90%,transparent 90%);padding:0 2px}
html[data-theme="dark"] .blk.keys .term{background:none;color:var(--hl)}
ul:not(.list),ol{font-size:17px;line-height:1.65}

/* тест */
.quiz{border:1px solid var(--line);border-radius:18px;overflow:hidden;font-family:var(--font-ui)}
.qh{display:flex;align-items:center;gap:10px;padding:14px 18px;background:var(--ink);color:var(--surface);font-weight:700;font-size:15px}
html[data-theme="dark"] .qh{background:var(--surface-3);color:var(--ink)}
.quiz-help-icon{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:var(--brand);color:#fff;font-weight:800;font-size:13px}
.qh .pill{margin-left:auto;font-size:12px;font-weight:600;opacity:.75}
.quiz-score{font-size:12.5px;font-weight:700;background:var(--brand);color:#fff;padding:3px 9px;border-radius:99px}
.quiz-item{padding:18px;border-top:1px solid var(--line)}
.quiz-item:first-of-type{border-top:0}
.quiz-question{font:600 16px/1.45 var(--font-ui);margin-bottom:12px}
.quiz-options{display:grid;gap:8px}
.quiz-option{display:flex;align-items:center;gap:10px;text-align:left;padding:11px 14px;border-radius:12px;border:1px solid var(--line);background:var(--surface);font-size:15px;line-height:1.4;transition:border-color .15s,background .15s}
.quiz-option::before{content:attr(data-letter);display:grid;place-items:center;width:24px;height:24px;border-radius:7px;background:var(--surface-3);font-size:12px;font-weight:700;color:var(--muted);flex:none}
.quiz-option:hover:not(:disabled){border-color:var(--line-2);background:var(--surface-2)}
.quiz-option.correct{border-color:var(--brand);background:var(--brand-soft)}
.quiz-option.correct::before{background:var(--brand);color:#fff}
.quiz-option.incorrect{border-color:var(--danger);background:var(--danger-soft)}
.quiz-option.incorrect::before{background:var(--danger);color:#fff}
.quiz-option:disabled{cursor:default}
.quiz-option:disabled:not(.correct){opacity:.6}
.quiz-feedback{font-size:14px;margin-top:10px;min-height:0}
.quiz-feedback:empty{display:none}
.quiz-feedback.correct{color:var(--brand-ink);font-weight:600}
.quiz-feedback.incorrect{color:var(--danger);font-weight:600}
.quiz-feedback .why{display:block;font-weight:400;color:var(--ink-2);margin-top:4px}
.quiz .q{display:flex;gap:10px;align-items:flex-start;padding:4px 0;font-size:15.5px}

/* пустое состояние и прогресс */
.doc-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:440px;color:var(--muted);gap:10px;font-family:var(--font-ui)}
.doc-empty .ic{width:72px;height:72px;border-radius:22px;display:grid;place-items:center;background:var(--surface-2);border:1px solid var(--line);color:var(--brand);margin-bottom:6px}
.doc-empty .ic svg{width:30px;height:30px}
.doc-empty b{font:700 20px/1.2 var(--font-display);letter-spacing:-.02em;color:var(--ink)}
.doc-empty p{margin:0;max-width:360px}
.empty-steps{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:14px}
.empty-steps span{font-size:12.5px;font-weight:600;padding:6px 11px;border-radius:99px;background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2)}
.progress{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:440px;gap:12px;font-family:var(--font-ui)}
.progress .pic{width:60px;height:60px;border-radius:18px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand)}
.progress .pic svg{width:26px;height:26px;animation:spin 1.4s linear infinite}
.progress b{font-size:17px}
.pbar{width:min(360px,80%);height:8px;border-radius:99px;background:var(--surface-3);overflow:hidden}
.pbar i{display:block;height:100%;background:var(--brand);border-radius:99px;transition:width .35s ease}
.pbar.indeterminate i{width:35%!important;animation:indet 1.3s ease-in-out infinite}
@keyframes indet{0%{transform:translateX(-100%)}100%{transform:translateX(290%)}}
.progress small{color:var(--muted);max-width:380px}
.skel{max-width:720px;margin:0 auto}
.skel .l{height:14px;border-radius:7px;margin:12px 0;background:linear-gradient(90deg,var(--surface-3),var(--surface-2),var(--surface-3));background-size:200% 100%;animation:sh 1.3s infinite}
.skel .t{height:34px;width:60%;margin-bottom:22px}
.skel .s{width:45%}.skel .m{width:92%}
@keyframes sh{to{background-position:-200% 0}}
.gen-steps{display:flex;flex-direction:column;gap:6px;margin-top:6px;text-align:left}
.gen-steps span{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--faint)}
.gen-steps span.done{color:var(--brand-ink)}
.gen-steps span.now{color:var(--ink);font-weight:600}

/* ---------- библиотека ---------- */
.lib-tools{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.lib-tools .select{height:44px}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.lib-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);transition:transform .15s,box-shadow .15s,border-color .15s;overflow:hidden}
.lib-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-2)}
.lib-card::before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:var(--c,var(--brand))}
.lib-card-open{display:flex;flex-direction:column;gap:8px;width:100%;height:100%;text-align:left;padding:20px 20px 16px}
.lc-top{display:flex;align-items:center;gap:8px;min-height:22px}
.lc-subject{font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.lc-fav{width:15px;height:15px;fill:var(--hl);stroke:var(--hl-ink);margin-left:auto;margin-right:26px}
.lib-card h3{font:650 19px/1.3 var(--font-read);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lib-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.lc-meta{display:flex;gap:10px;font-size:12px;color:var(--faint);margin-top:6px}
.lib-card-delete{position:absolute;top:14px;right:12px;width:30px;height:30px;display:grid;place-items:center;border-radius:9px;color:var(--faint);opacity:0;transition:opacity .15s}
.lib-card:hover .lib-card-delete,.lib-card-delete:focus-visible{opacity:1}
.lib-card-delete:hover{background:var(--danger-soft);color:var(--danger)}
.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:70px 20px;color:var(--muted)}
.empty-state b{font:700 20px/1.2 var(--font-display);color:var(--ink);letter-spacing:-.02em}
.empty-state .btn{margin-top:12px}
.empty-ic{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);color:var(--brand);margin-bottom:6px}
.empty-ic svg{width:28px;height:28px}

/* ---------- как это работает ---------- */
.how{max-width:1040px}
.how-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.how-step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px}
.how-step .hn{font:700 13px/1 var(--font-display);color:var(--brand)}
.how-step h3{font:700 17px/1.3 var(--font-ui);margin:14px 0 8px}
.how-step p{margin:0;color:var(--muted);font-size:14.5px}
.how-formats{margin-top:26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px}
.how-formats h3{margin:0 0 14px;font:700 17px/1.3 var(--font-ui)}
.fmt-table{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:10px 24px}
.fmt-table div{display:flex;gap:12px;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--line)}
.fmt-table b{min-width:96px;font-size:13px;letter-spacing:.04em}
.fmt-table span{color:var(--muted);font-size:14px}
.how-note{margin:18px 0 0;padding:12px 14px;border-radius:12px;background:var(--hl-soft);color:var(--hl-ink);font-size:14px}

/* ---------- поддержка ---------- */
.support{max-width:760px}
.ticket-form .form-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.ticket-status,.form-status{font-size:14px;color:var(--muted);margin:0}
.support-ticket-list{display:flex;flex-direction:column;gap:14px}
.support-ticket-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.support-ticket-item header{display:flex;align-items:flex-start;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line)}
.support-ticket-item header div{flex:1;min-width:0;display:flex;flex-direction:column}
.support-ticket-item header strong{font-size:15px}
.support-ticket-item header small{color:var(--faint);font-size:12.5px}
.support-ticket-status{font-size:12px;font-weight:700;padding:4px 10px;border-radius:99px;background:var(--blue-soft);color:var(--blue)}
.support-ticket-status.active{background:var(--hl-soft);color:var(--hl-ink)}
.support-ticket-status.closed{background:var(--surface-3);color:var(--muted)}
.support-thread-messages{display:flex;flex-direction:column;gap:10px;padding:16px 18px}
.support-thread-message{max-width:85%;padding:10px 14px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line)}
.support-thread-message.from-customer{align-self:flex-end;background:var(--brand-soft);border-color:transparent}
.support-thread-message strong{font-size:12px;color:var(--muted)}
.support-thread-message p{margin:2px 0;white-space:pre-wrap;font-size:14.5px}
.support-thread-message small{font-size:11.5px;color:var(--faint)}
.support-thread-reply{display:flex;gap:8px;padding:0 18px 16px;align-items:flex-end}
.support-thread-reply .textarea{min-height:44px;height:44px;resize:vertical}
.support-closed-note{margin:0;padding:0 18px 16px;color:var(--muted);font-size:13.5px}

/* ---------- окна ---------- */
.modal{position:fixed;inset:0;z-index:80;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(10,14,20,.45);backdrop-filter:blur(3px)}
.modal.open{display:flex;animation:fade .15s}
.modal-card{width:100%;max-width:480px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--shadow-3);animation:pop .18s ease-out;max-height:calc(100vh - 40px);overflow:auto}
.modal-card.narrow{max-width:420px}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 0}
.modal-head h2,.modal-body h2{font:700 19px/1.3 var(--font-display);letter-spacing:-.02em;margin:0}
.modal-body{padding:18px 20px}
.modal-body h2{margin-bottom:6px}
.modal-body .input{margin-top:8px}
.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:0 20px 20px}
.stars{display:flex;justify-content:center;gap:6px;margin:10px 0 4px}
.stars button{font-size:34px;line-height:1;color:var(--line-2);transition:transform .12s,color .12s;padding:2px}
.stars button:hover{transform:scale(1.12)}
.stars button.selected{color:#f4b400}
.stars-caption{text-align:center;color:var(--muted);font-size:13.5px;margin:0 0 14px}

.toast-host{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:100;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{display:flex;align-items:center;gap:10px;max-width:min(520px,calc(100vw - 32px));padding:11px 16px;border-radius:14px;background:var(--ink);color:var(--surface);font-size:14px;box-shadow:var(--shadow-3);animation:toastIn .22s ease-out;pointer-events:auto}
html[data-theme="dark"] .toast{background:var(--surface-3);color:var(--ink);border:1px solid var(--line-2)}
.toast svg{width:17px;height:17px}
.toast.ok svg{color:var(--brand)}
.toast.warn svg{color:#f4b400}
.toast.out{opacity:0;transform:translateY(8px);transition:.3s}
@keyframes toastIn{from{opacity:0;transform:translateY(10px)}}
#quizConfetti{position:fixed;inset:0;pointer-events:none;z-index:90}
.overlay{display:none}

.test-banner{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:14px 28px 0;padding:11px 16px;border-radius:14px;background:var(--hl-soft);color:var(--hl-ink);font-size:13.5px;border:1px solid color-mix(in srgb,var(--hl) 60%,transparent)}
.test-banner b{font-weight:700}
.test-banner span{flex:1;min-width:220px}
.test-banner a{font-weight:700;color:inherit}
@media (max-width:900px){.test-banner{margin:10px 14px 0}}

/* ---------- адаптив ---------- */
@media (max-width:1180px){
  .work{grid-template-columns:minmax(0,1fr)}
  .source{position:static;max-height:none}
  .card-body{overflow:visible}
  #toggleSource{display:none}
}
@media (max-width:900px){
  .app{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;bottom:0;width:min(300px,86vw);transform:translateX(-102%);transition:transform .25s ease;box-shadow:var(--shadow-3)}
  .sidebar.open{transform:none}
  .sb-close{display:inline-grid}
  .overlay{display:block;position:fixed;inset:0;background:rgba(10,14,20,.4);z-index:35;opacity:0;pointer-events:none;transition:opacity .2s}
  .overlay.open{opacity:1;pointer-events:auto}
  .burger{display:inline-grid}
  .topbar{padding:12px 16px}
  .view{padding:6px 14px 30px}
  .tb-titles p{display:none}
  .tb-titles h1{font-size:18px}
  .auth{grid-template-columns:1fr}
  .auth-hero{display:none}
  .auth-brand-mobile{display:inline-flex}
  .sheet{padding:28px 18px 32px}
  .sheet-actions .btn span{display:none}
  .sheet-actions .btn{padding:0 10px}
  .foot-loc{display:none}
  .sheet-bar{top:62px}
  .toolbar{top:121px}
}
@media (max-width:520px){
  .row-2{grid-template-columns:1fr}
  #settingsBtn{display:none}
  .saved{display:none}
  .blk p{font-size:16.5px}
  .dt{font-size:27px}
  .foot-actions .btn span{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* ---------- печать (PDF) ---------- */
@media print{
  @page{margin:16mm 16mm 18mm}
  body{background:#fff}
  .sidebar,.topbar,.source,.sheet-bar,.toolbar,.doc-foot,.toast-host,#quizConfetti,.auth,.overlay,.modal{display:none!important}
  .app,.work{display:block}
  .view{padding:0}
  .sheet-wrap{border:0;box-shadow:none}
  .sheet{padding:0;min-height:0}
  .doc{max-width:none;color:#000}
  .blk{break-inside:avoid}
  .quiz-feedback{display:none}
}