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@media(max-width:1350px){.site-header{gap:26px;padding:0 24px}.czn-brand small{display:none}.top-nav{gap:20px!important}.sidebar{width:220px;padding-inline:15px}.section-nav>a.active::before{left:-15px}main.workspace{margin-left:220px;width:calc(100% - 220px);padding-inline:25px}.czn-stats>div{padding-inline:18px}.filter-row>label{min-width:110px}.czn-filters .filter-row{gap:12px}.czn-filters .status-options{padding-left:13px}.czn-hero{background-position:58% center}.hero-logo{width:265px}.project-logo{margin-inline:7px}.project-logo img{width:130px}.help-link{font-size:0}.help-link .icon{font-size:12px;width:18px;height:18px}.auth-shell{gap:30px}.auth-intro h1{font-size:34px}.czn-corpus .table-wrap{overflow-x:auto}.czn-corpus table{min-width:760px}}
@media(max-width:1050px){.sidebar{width:195px;padding-inline:12px}.section-nav>a{gap:9px;font-size:12px;padding-inline:8px}.section-nav>a.active::before{left:-12px}.project-logo{gap:5px;margin-inline:3px}.project-logo img{width:125px}.sidebar-heading{font-size:8px;margin-inline:8px}.utility-nav{margin-inline:8px}.sidebar-bottom{padding-inline:8px}.site-header{gap:22px}.top-nav{gap:17px!important}.top-nav>a{font-size:12px}.header-end{gap:10px}.account-menu{padding-left:12px}.account-menu summary>span:nth-child(2){max-width:90px}main.workspace{margin-left:195px;width:calc(100% - 195px);padding-inline:20px}.czn-hero{padding:25px;min-height:235px}.hero-logo{width:250px}.hero-caption{display:none}.czn-stats>div{padding-inline:13px}.czn-stats small{font-size:9px}.czn-stats>div>span{font-size:10px}.czn-filters .status-options{flex-basis:100%;border-left:0;padding:0}.czn-filters .filter-reset{margin-left:auto}.split{grid-template-columns:1fr}.welcome-panel{grid-template-columns:1fr;gap:20px}.welcome-steps{padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:10px}.auth-shell{grid-template-columns:1fr;margin:25px auto;max-width:540px}.auth-intro h1{max-width:none}.auth-intro>p:last-child{max-width:none}.auth-panel{max-width:none}.join-header{font-size:11px;padding-inline:10px}.data-heading{align-items:flex-start;flex-direction:column}.data-heading .actions{margin:0}.site-footer{flex-direction:column;gap:4px}}
@media(max-width:760px){html{font-size:14px}.site-header{height:62px;min-height:62px;padding:0 16px;gap:12px}.czn-brand{font-size:24px;gap:6px}.brand-mark{font-size:34px}.site-header .top-nav{position:fixed;top:62px;left:0;right:0;height:44px;background:#141519;border-bottom:1px solid var(--line);justify-content:center;gap:28px!important}.top-nav>a{font-size:12px}.header-end{gap:8px}.header-end .help-link,.join-header{display:none}.header-end>.button{font-size:11px;min-height:32px;padding:6px 13px}.account-menu{border:0;padding:0}.account-menu summary{gap:7px}.account-menu summary>span:nth-child(2){max-width:90px;font-size:11px}.avatar{width:28px;height:28px}.account-dropdown{top:41px}.mobile-menu{display:inline-flex;min-height:32px;width:32px;padding:3px}.sidebar{top:106px;width:244px;transform:translateX(-100%);transition:transform .2s;box-shadow:15px 0 40px #0008}.menu-open .sidebar{transform:translateX(0)}main.workspace{margin:106px 0 0;width:100%;padding:17px 15px 0;min-height:calc(100vh - 106px)}.breadcrumbs{margin-bottom:15px;font-size:9px}.czn-hero{min-height:220px;padding:23px 21px;background-position:62% center;background-image:linear-gradient(90deg,#191a20f5,#191a20c9 40%,#191a2025),linear-gradient(0deg,#16171dcc,transparent 65%),url('czn-assets/hero.webp')}.hero-logo{width:230px}.hero-eyebrow{font-size:7px;letter-spacing:1.3px;margin-bottom:17px}.hero-motto{font-size:11px;max-width:240px;margin-bottom:19px}.hero-languages{font-size:7px;gap:8px;letter-spacing:.6px}.hero-languages>i{display:none}.stats.czn-stats{grid-template-columns:1fr 1fr;padding:0;margin:13px 0 24px}.czn-stats>div{padding:14px 17px}.czn-stats>div:nth-child(2){border-right:0}.czn-stats>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.czn-stats strong{font-size:26px}.czn-stats small{font-size:9px}.czn-stats>div>span{font-size:10px}.catalog-heading{margin-bottom:15px}.catalog-heading h1{font-size:21px;gap:9px}.catalog-heading>a{font-size:9px}.czn-filters .search-row{flex-wrap:wrap;padding:10px 12px;gap:8px}.czn-filters .search-row>input{flex-basis:calc(100% - 35px);font-size:12px}.czn-filters .search-row select{flex:1;max-width:none;border-left:0;padding-left:0}.czn-filters .search-row button{min-height:34px;min-width:100px}.czn-filters .filter-row{padding:13px;gap:12px}.filter-row>label{flex:1;min-width:100px}.czn-filters .status-options{gap:7px}.czn-filters .status-options .check{font-size:9px;min-height:30px;padding:4px 7px}.czn-corpus .table-wrap{overflow-x:visible}.czn-corpus table,.czn-corpus tbody,.czn-corpus tr{display:block;min-width:0;width:100%}.czn-corpus thead{display:none}.czn-corpus tr{padding:15px 14px;border-bottom:1px solid var(--line)}.czn-corpus tr:last-child{border:0}.czn-corpus td{display:block;width:100%!important;border:0;padding:7px 0;font-size:13px}.czn-corpus .location{padding-top:0}.czn-corpus .location>a{font-size:12px}.czn-corpus .location small{display:inline-block;margin:0 8px 0 0;font-size:9px}.czn-corpus .location small.row-source-id{display:block;margin-top:4px}.czn-corpus td:nth-child(2){padding-top:12px}.czn-corpus td:nth-child(3){padding-top:8px;padding-bottom:9px}.czn-corpus td:nth-child(3)::before{content:'RU';font:8px Consolas,monospace;color:#a192dc;display:block;letter-spacing:1px;margin-bottom:3px}.czn-corpus td:nth-child(4){width:calc(100% - 40px)!important;display:inline-block;padding:4px 0}.czn-corpus td:last-child{width:35px!important;display:inline-block;text-align:right;padding:0}.czn-corpus td.empty{width:100%!important;padding:30px 5px!important}.czn-corpus td.empty::before{display:none}.empty h2{font-size:20px}.table-toolbar{padding:10px 13px}.selection-actions.catalog-selection{padding:10px 13px}.catalog-selection [data-selection-submit]{margin-left:0}.catalog-selection [data-selected-count]{width:100%;order:3}.panel{padding:20px 16px}.welcome-panel{padding:23px 19px;gap:18px}.welcome-panel h1{font-size:26px}.welcome-panel .actions{gap:10px;align-items:stretch}.welcome-panel .actions>a{font-size:11px;flex-basis:100%}.welcome-steps p{font-size:12px}.auth-shell{margin:25px auto;gap:18px}.auth-intro h1{font-size:31px;margin:12px 0}.auth-intro>p:last-child{font-size:12px}.auth-panel{padding:23px 19px}.auth-panel h2{font-size:23px}.site-footer{margin-top:24px;padding:17px 0;font-size:9px}.help-page{padding:22px 18px;margin:0}.help-page h1{font-size:29px}.help-steps{grid-template-columns:1fr;gap:16px}.help-steps h2{font-size:18px}.upload-form{padding:15px}.upload-form button{width:100%}.data-heading .actions{gap:9px}.data-heading .button{font-size:10px}.split .panel h1{font-size:22px}.split .panel h2{font-size:17px}.text-box{font-size:13px}.chat-widget{right:12px;bottom:12px;width:calc(100vw - 24px);max-width:390px}.chat-widget .chat-toggle{min-height:40px}.page-jump{width:100%;margin:0}.pagination{gap:10px;padding:14px}.hero-content{max-width:100%}}
@media(prefers-reduced-motion:reduce){.sidebar{transition:none}}

.section-nav,.utility-nav{align-items:stretch}.section-nav>a,.utility-nav>a{width:100%;justify-content:flex-start}.czn-corpus>.pagination:first-of-type{border-top:1px solid var(--line);padding-block:8px}.czn-corpus>.pagination:first-of-type .page-jump{margin-left:auto}

/* Blue-violet identity and a shared, animated desktop/mobile sidebar. */
:root {
  --accent: #a4a1ff;
  --sidebar-width: 244px;
  --sidebar-motion: 360ms cubic-bezier(.22, 1, .36, 1);
}
a:hover { color: #c6bdff; }
.brand-accent { color: #a4a1ff; }
.brand-icon { width:40px; height:40px; object-fit:contain; border-radius:6px; flex:none; }
.site-header { gap:24px; }
button.primary, .button.primary {
  color:#fff; background:linear-gradient(110deg,#526ed4,#7961d8); border-color:#8272e6;
}
button.primary:hover, .button.primary:hover {
  background:linear-gradient(110deg,#637ee4,#8b74e7); border-color:#a397ff; color:#fff;
}
.section-nav>a.active { color:#c4bcff; background:#29253f; }
.section-nav>a.active::before, .top-nav>a.active { border-color:#9386f5; }
.section-nav>a.active::before { background:#9386f5; }
.avatar { background:#27243a; border-color:#534b78; color:#beb5ff; }
.hero-languages { margin-top:20px; }
.sidebar-bottom { padding-top:20px; }
.other-project { margin-top:0; }
.sidebar>.section-nav, .sidebar>.utility-nav { order:0; flex-shrink:0; }
.sidebar>.project-logo, .sidebar>.sidebar-heading, .sidebar>.sidebar-bottom { flex-shrink:0; }
.sidebar-toggle {
  display:grid; place-items:center; width:36px; height:36px; min-height:36px;
  padding:7px; border:1px solid #393a4c; background:#1b1c27; color:#b8b9d2;
  flex:none; border-radius:5px;
}
.sidebar-toggle:hover { background:#29263d; border-color:#8d80e0; color:#ded9ff; }
.sidebar-toggle svg { width:22px; height:22px; fill:none; stroke:currentColor; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:round; }
.toggle-chevron { transform-origin:14px 12px; transition:transform var(--sidebar-motion); }
.sidebar-toggle[aria-expanded="false"] .toggle-chevron { transform:rotate(180deg); }
.sidebar { width:var(--sidebar-width); transition:transform var(--sidebar-motion),visibility 0s; }
.sidebar-backdrop { display:none; }
@media (max-width:1350px) { :root { --sidebar-width:220px; } }
@media (max-width:1050px) { :root { --sidebar-width:195px; } }
@media (min-width:761px) {
  main.workspace {
    margin-left:var(--sidebar-width); width:calc(100% - var(--sidebar-width));
    transition:margin-left var(--sidebar-motion),width var(--sidebar-motion);
  }
  html.sidebar-collapsed .sidebar {
    transform:translateX(-100%); visibility:hidden;
    transition:transform var(--sidebar-motion),visibility 0s 360ms;
  }
  html.sidebar-collapsed main.workspace { margin-left:0; width:100%; }
}
@media (max-width:760px) {
  .site-header { gap:10px; padding-inline:12px; }
  .brand-icon { width:34px; height:34px; }
  .sidebar-toggle { width:32px; height:32px; min-height:32px; padding:5px; }
  .sidebar {
    width:244px; transform:translateX(-100%); visibility:hidden; box-shadow:none;
    transition:transform var(--sidebar-motion),visibility 0s 360ms;
  }
  .menu-open .sidebar {
    transform:translateX(0); visibility:visible;
    transition:transform var(--sidebar-motion),visibility 0s; box-shadow:15px 0 40px #0008;
  }
  .sidebar-backdrop {
    display:block; position:fixed; inset:106px 0 0; z-index:60; margin:0; padding:0;
    width:100%; height:calc(100% - 106px); min-height:0; border:0; border-radius:0;
    background:#0c0d19b3; opacity:0; visibility:hidden; pointer-events:none;
    transition:opacity var(--sidebar-motion),visibility 0s 360ms;
  }
  .menu-open .sidebar-backdrop {
    opacity:1; visibility:visible; pointer-events:auto;
    transition:opacity var(--sidebar-motion),visibility 0s;
  }
  .menu-open .chat-widget { z-index:50; }
  main.workspace { transition:none; }
}
@media (prefers-reduced-motion:reduce) {
  .sidebar, main.workspace, .sidebar-backdrop, .toggle-chevron { transition:none!important; }
}

/* Before authentication, only project progress and sign-in are visible. */
body.guest-shell main.workspace {
  margin:0 auto; width:100%; max-width:1600px; min-height:100vh;
  padding:40px 36px 0; transition:none;
}
.guest-shell .czn-hero { min-height:260px; }
.guest-login { display:flex; flex-direction:column; align-items:center; gap:18px; padding:32px 24px; }
.guest-login .telegram-entry { display:inline-flex; gap:12px; align-items:center; justify-content:center; min-height:48px; padding:12px 28px; font-size:15px; }
.telegram-entry svg { width:22px; height:22px; fill:currentColor; }
.guest-password { color:#989db2; font-size:12px; }
.guest-shell .auth-shell { margin:40px auto; }
.guest-shell .narrow { margin-inline:auto; }
@media (max-width:760px) {
  body.guest-shell main.workspace { margin:0; width:100%; padding:20px 15px 0; }
  .guest-shell .czn-hero { min-height:220px; }
  .guest-login { padding:26px 16px; }
  .guest-login .telegram-entry { width:100%; max-width:330px; }
}