:root{color-scheme:light;--bg:#f2f5f9;--surface:#fff;--ink:#152b45;--muted:#62748a;--line:#dde5ee;--accent:#087f82;--soft:#e5f4f2;--field:#f8fafc;--nav:#122b45;font-family:Inter,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}a{color:var(--accent);text-underline-offset:3px}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}[hidden]{display:none!important}:focus-visible{outline:3px solid #52beb4;outline-offset:4px}h1,h2,p{margin:0}h1{font-size:29px;line-height:1.3;font-weight:600;letter-spacing:-.7px}p{font-size:14px;line-height:1.7;color:var(--muted)}.small{font-size:12px;line-height:1.6;color:var(--muted)}.icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.skip-link{position:fixed;top:-100px;left:16px;z-index:10;padding:12px;background:white}.skip-link:focus{top:12px}
.shell{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100dvh}.sidebar{background:var(--nav);color:#eaf2f8;padding:30px 20px;display:flex;flex-direction:column;gap:36px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit;white-space:nowrap}.brand-mark{width:36px;height:36px;display:grid;place-items:center;border-radius:9px;background:var(--accent);color:white;font-size:16px;font-weight:700;flex-shrink:0}.wordmark{font-size:21px;font-weight:700;letter-spacing:-.7px}.sidebar .small{color:#b7c9da}.brand-caption{margin-top:10px}.nav-item{display:flex;gap:10px;align-items:center;font-size:13px;padding:13px 12px;border-radius:8px;background:#ffffff12;color:#eaf2f8;text-decoration:none}.sidebar-bottom{margin-top:auto;display:grid;gap:5px}.balance{font-size:27px;font-weight:600;letter-spacing:-.5px}.workspace{min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;padding:22px 32px;background:var(--surface);border-bottom:1px solid var(--line);gap:16px;min-height:77px}.account{display:flex;align-items:center;gap:18px;min-width:0}.account-email{max-width:260px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.logout{display:flex;align-items:center;gap:7px;background:none;border:0;color:var(--muted);font-size:12px;padding:8px 0;flex-shrink:0}.editor{padding:32px;max-width:1250px;margin:0 auto}.kicker{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:9px}.intro-text{margin-top:8px}.editor-input{display:grid;grid-template-columns:minmax(0,1fr) 180px;gap:22px;align-items:center;margin:26px 0 24px}.label{display:block;font-size:13px;font-weight:600;margin-bottom:10px}textarea,input{width:100%;border:1px solid var(--line);border-radius:9px;background:var(--field);color:var(--ink);padding:14px;font-size:14px;line-height:1.7}textarea{min-height:154px;resize:vertical}textarea::placeholder,input::placeholder{color:#7c8ca0}textarea:focus,input:focus{border-color:var(--accent)}.input-footer{display:flex;justify-content:space-between;gap:16px;margin-top:9px}.primary{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;border:0;border-radius:9px;background:var(--accent);color:white;padding:14px 16px;font-size:14px;font-weight:600;min-height:48px}.primary:hover:not(:disabled){background:#066d70}.price{text-align:center;margin-top:10px;font-size:12px}.shortcut{text-align:center;margin-top:5px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:13px;overflow:hidden}.tabs{display:flex;gap:26px;border-bottom:1px solid var(--line);padding:0 24px}.tab{border:0;border-bottom:2px solid transparent;padding:18px 0;background:transparent;color:var(--muted);font-size:13px;min-height:52px}.tab[aria-selected="true"]{border-bottom-color:var(--accent);color:var(--ink);font-weight:600}.tab-content{min-height:284px;padding:24px}.document{padding:22px;background:var(--field);border:1px solid var(--line);border-radius:8px;color:var(--ink);font-size:14px;line-height:1.85;white-space:pre-wrap;overflow-wrap:anywhere}.empty-state{min-height:236px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;padding:24px}.empty-icon{width:42px;height:42px;display:grid;place-items:center;background:var(--soft);color:var(--accent);border-radius:11px;margin-bottom:6px}.empty-icon .icon{width:23px;height:23px}.empty-state h2{font-size:16px;font-weight:600}.empty-state p{max-width:420px;font-size:13px}.result-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}.secondary{display:inline-flex;align-items:center;justify-content:center;gap:7px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:10px 13px;font-size:12px;min-height:40px}.secondary:hover{background:var(--field)}.status{font-size:12px;min-height:20px;line-height:1.7;color:var(--accent);margin-top:12px}.hint{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.65;color:var(--muted);margin-top:10px}.hint .icon{width:16px;height:16px;margin-top:2px}.notice{padding:12px 15px;border-radius:9px;border:1px solid #efd5d5;background:#fff5f5;color:#963d3d;font-size:13px;line-height:1.6;margin-bottom:20px;overflow-wrap:anywhere}.notice.success{background:var(--soft);border-color:#c9e5df;color:#076e70}.code-row{padding:22px 0;border-bottom:1px solid var(--line)}.code-row:first-child{padding-top:0}.code-row:last-child{padding-bottom:0;border:0}.code-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.code{font-family:Consolas,monospace;font-size:20px;font-weight:600;letter-spacing:.6px}.tag{font-size:11px;color:var(--muted);background:var(--field);padding:6px 9px;border-radius:6px;white-space:nowrap}.code-title{font-size:14px;font-weight:600;margin-top:9px;line-height:1.6;overflow-wrap:anywhere}.code-row p{font-size:13px;margin-top:6px;overflow-wrap:anywhere}
.auth-layout{min-height:100dvh;display:grid;grid-template-columns:minmax(340px,.9fr) minmax(400px,1.1fr)}.auth-brand-panel{padding:46px clamp(32px,5vw,80px);background:var(--nav);color:#eaf2f8;display:flex;flex-direction:column}.auth-story{margin:auto 0;padding:70px 0;max-width:430px}.auth-story .kicker{color:#68d5c7}.auth-story h2{font-size:38px;line-height:1.3;font-weight:600;letter-spacing:-1px}.auth-story p{color:#b7c9da;margin-top:20px;font-size:15px}.auth-features{display:grid;gap:18px;margin-top:34px}.auth-feature{display:flex;align-items:center;gap:13px;font-size:14px;color:#d6e4ee}.auth-feature .icon{color:#68d5c7}.auth-brand-panel>.small{color:#b7c9da}.auth-main{display:flex;align-items:center;justify-content:center;padding:48px 28px}.auth-card{width:100%;max-width:430px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:36px;box-shadow:0 10px 40px #152b4505}.auth-card h1{font-size:26px}.auth-card .intro-text{font-size:13px}.welcome{display:flex;align-items:center;gap:12px;background:var(--soft);padding:13px 15px;border-radius:9px;color:var(--accent);margin:24px 0}.welcome strong{font-size:18px;white-space:nowrap}.welcome span{font-size:12px;line-height:1.6}.auth-form{display:grid;gap:20px;margin-top:26px}.auth-form .notice{margin-bottom:0}.password-hint{margin-top:7px}.auth-switch{font-size:13px;margin-top:24px;text-align:center}.auth-mobile-brand{display:none}
@media(min-width:1600px){.editor{padding-top:44px}}@media(max-width:900px){.shell{grid-template-columns:208px minmax(0,1fr)}.sidebar{padding:26px 16px}.wordmark{font-size:19px}.editor,.topbar{padding:24px}.auth-layout{grid-template-columns:minmax(300px,.85fr) minmax(350px,1.15fr)}.auth-brand-panel{padding:36px 28px}.auth-story h2{font-size:30px}.auth-card{padding:28px}.account-email{max-width:170px}}@media(max-width:720px){.shell{grid-template-columns:1fr}.sidebar{padding:18px;flex-direction:row;align-items:center;justify-content:space-between;gap:16px}.nav-item{display:none}.sidebar-bottom{margin:0;text-align:right;gap:0}.balance{font-size:22px}.brand-caption{margin-top:5px}.sidebar-bottom .small:last-child{display:none}.topbar{padding:12px 18px;min-height:60px}.topbar>.small{display:none}.account{width:100%;justify-content:space-between}.account-email{max-width:calc(100vw - 120px)}.editor{padding:24px 18px}h1{font-size:25px}.editor-input{grid-template-columns:1fr;gap:16px;margin-top:22px}textarea{min-height:190px;font-size:16px}.input-footer{gap:10px}.input-footer .small:first-child{max-width:70%}.shortcut{display:none}.tabs{padding:0 18px;gap:24px}.tab-content{padding:18px}.document{padding:16px}.result-footer{align-items:flex-start}.code-head{flex-wrap:wrap}.auth-layout{display:block}.auth-brand-panel{display:none}.auth-main{min-height:100dvh;flex-direction:column;gap:28px;padding:32px 18px}.auth-mobile-brand{display:flex;color:var(--ink)}.auth-card{max-width:430px;padding:28px 24px}.auth-card h1{font-size:24px}.auth-form input{font-size:16px}.auth-switch{line-height:1.8}.secondary,.logout{min-height:44px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

.desk-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px max(28px,calc((100% - 1224px)/2));background:var(--surface);border-bottom:1px solid var(--line)}.desk-header .brand-caption{margin-top:6px}.desk-account{display:grid;gap:4px;justify-items:end}.desk-balance{display:flex;align-items:center;gap:12px}.desk-balance strong{font-size:20px;font-weight:600}.desk-header .account{gap:16px}.desk-main{max-width:1280px;margin:0 auto;padding:32px 28px}.desk-intro{margin-bottom:26px}.desk-grid{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(0,1.15fr);gap:22px;align-items:start}.desk-results{display:grid;gap:18px;min-width:0}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;border-bottom:1px solid var(--line)}.panel-head h2{font-size:16px;font-weight:600;line-height:1.4}.panel-body{padding:20px}.cost-tag{background:var(--soft);color:var(--accent);font-size:12px;font-weight:600;border-radius:6px;padding:6px 8px;white-space:nowrap}.desk-input-panel textarea{min-height:230px}.desk-input-panel .input-footer{align-items:start}.desk-input-panel .input-footer .small:first-child{max-width:70%}.desk-input-panel .input-footer .small:last-child{white-space:nowrap}.desk-generate{margin-top:22px}.desk-input-panel .shortcut{margin-top:10px}.desk-empty{padding:18px;border:1px dashed var(--line);border-radius:8px;background:var(--field)}.desk-empty p{font-size:13px}.desk-results .document{padding:16px;line-height:1.8}.desk-results .code{font-size:18px}.desk-results .code-row{padding:18px 0}.desk-results .code-row:first-child{padding-top:0}.desk-results .code-row:last-child{padding-bottom:0}.desk-results .hint{margin-top:0}.desk-request-cost{margin-top:12px}.desk-error{margin-top:12px}
@media(max-width:720px){.desk-header{padding:18px;flex-wrap:wrap;gap:16px}.desk-header .account-email{max-width:calc(100vw - 105px)}.desk-account{width:100%;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 20px}.desk-account .account{width:auto;gap:14px}.desk-header .brand-caption{margin-top:5px}.desk-main{padding:24px 18px}.desk-grid{grid-template-columns:minmax(0,1fr);gap:20px}.panel-head,.panel-body{padding:18px}.desk-main h1{font-size:25px}.desk-results .code-head{flex-wrap:wrap}.desk-input-panel textarea{min-height:210px}.desk-input-panel .input-footer{gap:8px}.desk-input-panel .input-footer .small:first-child{max-width:66%}.desk-header .desk-balance strong{font-size:18px}.desk-results{gap:16px}}

.desk-intro-actions{display:flex;align-items:center;justify-content:space-between;gap:20px}.desk-intro-actions>.secondary{flex-shrink:0}.desk-input-column{display:grid;gap:18px;min-width:0}.history-body{padding:10px 14px 14px}.history-body>p{margin:10px 6px}.history-list{display:grid;gap:6px;max-height:360px;overflow-y:auto;padding:4px}.history-entry{display:grid;gap:7px;text-align:left;width:100%;padding:12px;border:1px solid transparent;border-radius:9px;background:transparent;color:var(--ink)}.history-entry:hover{background:var(--field)}.history-entry[aria-current="true"]{background:var(--soft);border-color:#b9ded9}.history-entry-meta{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:11px;color:var(--muted)}.history-entry-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere;font-size:13px;line-height:1.6;font-weight:500}.history-more{width:100%;margin-top:10px}.desk-history-panel .panel-head .small{margin-top:4px}.desk-history-panel .panel-head>.secondary{padding:9px}.history-body .notice{margin-bottom:10px}
@media(max-width:720px){.desk-intro-actions{align-items:flex-start;flex-direction:column;gap:16px}.desk-input-column{display:contents}.desk-history-panel{grid-row:3}.history-list{max-height:280px}.desk-history-panel .panel-head{gap:10px}}

select{font:inherit;width:100%;border:1px solid var(--line);border-radius:9px;background:var(--field);color:var(--ink);padding:12px;font-size:13px;min-height:46px;max-width:100%}select:focus{border-color:var(--accent)}select:disabled{opacity:.65}.ai-settings-link{text-decoration:none}.desk-header .account{flex-wrap:wrap;justify-content:flex-end}.ai-main{max-width:1380px}.ai-view{padding:26px}.ai-view h2{font-size:18px;font-weight:600;line-height:1.5}.ai-space{margin-top:9px}.ai-settings-grid{display:grid;grid-template-columns:minmax(260px,.75fr) minmax(0,1.25fr);gap:32px}.ai-form{display:grid;gap:18px;margin-top:22px}.ai-form .secondary{justify-self:start}.ai-form textarea{min-height:160px}#promptContent{min-height:420px;font-size:13px}.ai-details{border-top:1px solid var(--line);margin-top:28px;padding-top:20px}.ai-details summary{cursor:pointer;font-size:14px;font-weight:600;margin-bottom:12px}.ai-details pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--field);padding:14px;border-radius:8px;line-height:1.8}.ai-model-list{display:grid;margin-top:14px;gap:12px}.ai-model-item{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:14px;background:var(--field);border-radius:9px}.ai-model-item strong{font-size:14px}.ai-model-item p{overflow-wrap:anywhere}.ai-model-item>.secondary{flex-shrink:0}.ai-model-form{grid-template-columns:repeat(2,minmax(0,1fr));max-width:900px}.ai-comparison-intro{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.ai-comparison-intro .secondary{flex-shrink:0}.ai-variants{display:grid;gap:12px}.ai-variant{display:grid;grid-template-columns:90px minmax(0,1fr) minmax(0,1fr) auto;align-items:center;gap:14px;padding:14px;border:1px solid var(--line);border-radius:9px;background:var(--field)}.ai-variant label{font-size:12px;color:var(--muted)}.ai-variant select{margin-top:6px;background:var(--surface)}.ai-payment-note{padding:16px;background:var(--soft);border-radius:9px}.ai-payment-note strong{font-size:13px;color:var(--accent)}.ai-payment-note p{font-size:12px;margin-top:6px}.ai-history-controls{display:flex;gap:10px;align-items:center}.ai-history-controls select{min-width:0;flex:1}.ai-history-controls button{flex-shrink:0}.ai-comparison-history{margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}.ai-comparison-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px;align-items:start}.ai-result-card{min-width:0}.ai-result-card .panel-head h2{font-size:16px}.ai-result-heading{font-size:14px;font-weight:600;margin:20px 0 12px}.ai-metrics{font-size:13px;font-weight:600;color:var(--ink)}.ai-result-card .document{padding:14px;font-size:13px}.ai-result-card .code{font-size:16px}.ai-result-card .code-row p{font-size:12px}.ai-result-card .code-title{margin-bottom:8px}.ai-rating{border-top:1px solid var(--line);padding-top:18px;gap:12px}.ai-rating .label{margin:0}.ai-rating select{margin-top:8px}.ai-rating textarea{min-height:80px;font-size:13px}.ai-stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px}.ai-stat-card{padding:22px;border:1px solid var(--line);border-radius:10px;background:var(--field)}.ai-stat-card h3{font-size:15px;margin:0 0 16px}.ai-stat-number{display:block;font-size:26px;margin-bottom:14px}.ai-stat-card p+p{margin-top:8px}.ai-stat-models{grid-column:1/-1;overflow-x:auto}.ai-stat-models h3{font-size:16px;font-weight:600;margin:6px 0 18px}.ai-stats-table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}.ai-stats-table th,.ai-stats-table td{padding:13px 10px;border-bottom:1px solid var(--line);line-height:1.5}.ai-stats-table th{font-weight:600;background:var(--field)}
@media(max-width:900px){.ai-settings-grid{grid-template-columns:minmax(0,1fr);gap:28px}.ai-variant{grid-template-columns:75px minmax(0,1fr) minmax(0,1fr)}.ai-variant>.secondary{grid-column:2/-1;justify-self:start}}
@media(max-width:720px){.ai-view{padding:18px}.ai-main .tabs{gap:20px;overflow-x:auto}.ai-comparison-intro{flex-direction:column;gap:14px}.ai-variant{grid-template-columns:minmax(0,1fr)}.ai-variant>.secondary{grid-column:auto}.ai-comparison-results,.ai-stat-grid,.ai-model-form{grid-template-columns:minmax(0,1fr)}.ai-model-item{align-items:flex-start;flex-direction:column}.ai-history-controls{flex-wrap:wrap}.ai-history-controls select{flex-basis:100%}.ai-form input,.ai-form select{font-size:16px}.desk-header .desk-account .account{justify-content:flex-start}.ai-settings-link{font-size:12px}}
.work-modes{display:flex;gap:10px;margin-bottom:16px}.work-modes button{padding:12px 20px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--muted);font-weight:600;font-size:13px}.work-modes button[aria-selected="true"]{background:var(--accent);border-color:var(--accent);color:#fff}.mode-hint{margin-bottom:18px}.excel-source-note{padding:16px 18px;background:var(--soft);border-radius:9px;color:var(--ink)}.excel-source-note strong{font-size:14px;color:var(--accent)}.excel-source-note p{font-size:13px;margin-top:7px;line-height:1.8}.excel-upload{display:flex;align-items:center;justify-content:space-between;gap:24px}.excel-upload>div{flex:1;min-width:0}.excel-upload>a{flex-shrink:0;text-decoration:none}input[type="file"]{padding:12px;border:1px solid var(--line);border-radius:9px;width:100%;font-size:13px;background:var(--field)}.excel-sheet-controls{display:grid;grid-template-columns:180px minmax(160px,1fr) auto;gap:20px;align-items:end}.excel-sheet-controls input{width:100%;padding:12px;border:1px solid var(--line);border-radius:9px;background:var(--field);color:var(--ink);font:inherit}.excel-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:18px}.excel-preview{overflow:auto;max-height:300px;margin-top:24px}.excel-preview>p{margin-bottom:12px}.excel-table{width:100%;border-collapse:collapse;font-size:12px;line-height:1.7}.excel-table th,.excel-table td{padding:12px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left;min-width:110px;max-width:300px;overflow-wrap:anywhere}.excel-table th{background:var(--field);font-weight:600}.excel-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.excel-actions .primary{width:auto;min-width:220px}.excel-result-header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:24px 0 16px}.excel-result-header h3,.excel-history h3,#excelMapping h3{font-size:15px;font-weight:600}.excel-result-list{display:grid;gap:14px}.excel-result-row{padding:16px;background:var(--field);border:1px solid var(--line);border-radius:9px;font-size:13px;line-height:1.8}.excel-result-row strong{font-size:13px}.excel-result-row p{margin-top:8px;overflow-wrap:anywhere}.excel-history{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}#excelError{margin-top:14px}
@media(max-width:720px){.excel-upload,.excel-result-header{flex-direction:column;align-items:stretch}.excel-sheet-controls,.excel-columns{grid-template-columns:minmax(0,1fr)}.work-modes button{padding:12px 16px}.excel-actions .primary{width:100%}.excel-sheet-controls input{font-size:16px}}
.code-sources { display:flex; flex-wrap:wrap; gap:12px; margin-top:14px; font-size:13px; }
.code-sources a { color:var(--teal,#087f83); text-decoration:underline; }
.code-row > p { white-space:pre-line; }

.clarification-panel{border-color:#087f83}.clarification-fields{display:grid;gap:10px;margin:18px 0}.clarification-fields .label{margin:8px 0 0}.clarification-fields textarea{min-height:90px}.clarification-panel .primary{margin-bottom:12px}

/* ДТ-Мастер — Нефрит и серебро. Светлая палитра, строгая навигация. */
:root {
    --bg: #f4f8f9;
    --surface: #ffffff;
    --field: #f8fbfc;
    --ink: #254046;
    --muted: #657b81;
    --line: #d8e5e8;
    --accent: #277b80;
    --soft: #e7f2f3;
    --nav: #e7f2f3;
    font-family: "Segoe UI", Inter, sans-serif;
}
body { background: var(--bg); color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.desk-header {
    background: #fff;
    color: var(--ink);
    border-top: 4px solid #27636d;
    border-bottom: 1px solid var(--line);
    padding-top: 18px;
    padding-bottom: 16px;
    box-shadow: none;
}
.brand-mark { background: #27636d; border-radius: 8px; font-size: 15px; width: 40px; height: 40px; border-bottom: 3px solid #a8bfc2; }
.wordmark { color: #27636d; font-size: 22px; font-weight: 650; letter-spacing: -.6px; }
.desk-header .brand-caption { font-size: 12px; margin-top: 4px; }
.desk-account { display: flex; align-items: center; gap: 24px; }
.desk-balance { padding: 10px 14px; border: 1px solid #d5e5e8; border-radius: 8px; background: #e7f2f3; gap: 10px; }
.desk-balance strong { color: #27636d; font-size: 17px; }
.desk-main { max-width: 1280px; padding: 0 28px 40px; }
.function-tabs {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--line);
}
.function-tabs button {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 20px 2px 18px;
    min-height: 60px;
    border: 0;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}
.function-tabs button[aria-selected="true"] { border-bottom-color: var(--accent); color: var(--accent); }
.function-tabs button:hover:not(:disabled) { color: var(--ink); }
.function-tabs .icon { width: 17px; height: 17px; }
.desk-intro { margin-bottom: 24px; padding: 0 0 24px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; }
.desk-intro h1 { font-size: 28px; font-weight: 600; letter-spacing: -.7px; line-height: 1.3; }
.kicker { color: #527780; font-size: 11px; font-weight: 500; letter-spacing: .9px; }
.intro-text { color: var(--muted); margin-top: 8px; }
.panel { border-radius: 10px; border-color: var(--line); box-shadow: 0 2px 5px #25404603; }
.panel-head { background: #fcfefe; padding: 18px 22px; min-height: 78px; }
.panel-head h2 { font-size: 15px; font-weight: 600; }
.panel-body { padding: 22px; }
.desk-grid { gap: 24px; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); }
.label { font-size: 13px; font-weight: 500; }
textarea, input, select { border-radius: 8px; background: #fff; }
textarea::placeholder, input::placeholder { color: #82969c; }
.desk-input-panel textarea { min-height: 224px; }
.primary { background: var(--accent); border-radius: 8px; box-shadow: none; min-height: 44px; padding: 12px 16px; transition: background .15s; }
.primary:hover:not(:disabled) { background: #21676c; }
.secondary { border-radius: 7px; background: #fff; color: #48646c; text-decoration: none; }
.secondary:hover { background: #f0f6f8; }
.cost-tag { color: #657b81; background: #f2f6f7; border: 1px solid #d8e5e8; font-size: 11px; font-weight: 500; padding: 5px 8px; }
.work-modes { display: inline-flex; gap: 3px; padding: 3px; background: #eaf1f3; border: 1px solid #d8e5e8; border-radius: 8px; margin-bottom: 12px; }
.work-modes button { border: 1px solid transparent; background: transparent; border-radius: 5px; padding: 7px 15px; min-height: 33px; font-size: 12px; font-weight: 500; color: var(--muted); }
.work-modes button[aria-selected="true"] { background: #fff; border-color: #d8e5e8; color: var(--ink); box-shadow: 0 1px 3px #25404609; }
.mode-hint { margin-bottom: 20px; }
.document { background: #fff; }
.desk-results .document { padding: 0; border: 0; border-radius: 0; font-size: 14px; line-height: 1.9; }
.desk-empty { border: 0; background: #f8fbfc; min-height: 230px; display: flex; align-items: center; justify-content: center; padding: 32px; text-align: center; }
.desk-empty p { max-width: 350px; color: #768b93; line-height: 1.8; }
.history-body { padding: 10px 14px 14px; }
.history-entry { border-radius: 7px; }
.history-entry[aria-current="true"] { background: #eaf4f5; border-color: #cde2e5; }
.history-entry:hover { background: #f1f7f8; }
.history-entry-title { font-weight: 400; }
.history-list { scrollbar-width: thin; scrollbar-color: #cfdde1 transparent; }
.tag { background: #e7f2f3; color: #507980; }
.code { color: #27636d; }
.code-tools { display: flex; align-items: center; gap: 12px; }
.code-sources a { color: var(--accent); }
.clarification-panel { border-color: #b7d3d7; }
.input-warning { margin-top: 18px; padding: 13px 15px; background: #fffbf0; border: 1px solid #eee0ba; border-radius: 8px; color: #7a653b; font-size: 13px; line-height: 1.7; }
.selected-product { margin-top: 10px; white-space: pre-wrap; overflow-wrap: anywhere; }
.desk-request-cost:empty { display: none; }
.desk-request-cost { margin: 0 3px; }
.excel-source-note { background: #edf5f7; border: 1px solid #d4e6e9; }
.excel-source-note strong { color: #376d77; }
.auth-brand-panel { background: #e7f2f3; color: var(--ink); border-right: 1px solid #d8e5e8; }
.auth-story .kicker { color: #657b81; }
.auth-story h2 { font-size: 38px; line-height: 1.35; }
.auth-story p, .auth-brand-panel > .small { color: #657b81; }
.auth-feature { color: #48646c; }
.auth-feature .icon { color: #4b7f87; }
.auth-main { background: #fff; }
.auth-card { padding: 0; border: 0; border-radius: 0; box-shadow: none; max-width: 380px; }
.auth-card h1 { font-size: 28px; }
.welcome { background: #edf5f7; color: #376d77; border: 1px solid #d4e6e9; }

.desk-header .account-email { font-size: 12px; }
.desk-intro h1 { color: #254046; }
.desk-intro .secondary { background: #fff; border-color: #d0e1e5; color: #376d77; }
.function-tabs button[aria-selected="true"] { background: transparent; }
.function-tabs { gap: 18px; }
.panel-head h2 { display: flex; align-items: center; gap: 10px; }
.panel-title-icon { width: 28px; height: 28px; border: 1px solid #d3e4e7; padding: 5px; border-radius: 6px; background: #edf6f7; color: #4b7f87; }
#graphPanel > .panel-head, #codePanel > .panel-head { background: #e7f2f3; border-bottom-color: #d3e4e7; }
#graphPanel .panel-head h2, #codePanel .panel-head h2 { color: #376d77; }
#graphPanel > .panel-head .secondary, #codePanel > .panel-head .secondary { background: #f9fcfd; border-color: #cde0e4; color: #376d77; }
.desk-results .document { border-left: 2px solid #a8bfc2; padding-left: 18px; }
.desk-empty { background: #f3f8f9; border: 1px solid #deecee; }
.history-entry[aria-current="true"] { box-shadow: inset 3px 0 #78a5ad; }
.auth-brand-panel { border-top: 4px solid #27636d; }
.auth-story { border-left: 3px solid #a8bfc2; padding: 12px 0 12px 24px; }
.auth-story h2 { color: #254046; font-size: 34px; }
.auth-main input:autofill { box-shadow: 0 0 0 1000px #edf5f7 inset; }
.ai-main { padding-top: 28px; }
@media(max-width: 720px) {
    .function-tabs { gap: 10px; }
    .function-tabs button[aria-selected="true"] { padding-left: 0; padding-right: 0; }
    .desk-intro h1 { font-size: 23px; }
    .desk-intro-actions > .secondary { align-self: flex-start; }
}

@media(max-width: 900px) {
    .auth-story h2 { font-size: 30px; }
    .desk-account { gap: 16px; }
    .desk-balance { padding: 9px 12px; }
    .desk-header .account-email { max-width: 160px; }
}
@media(max-width: 720px) {
    .desk-header { padding: 16px 18px; }
    .desk-account { width: 100%; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
    .desk-balance { padding: 8px 12px; }
    .desk-header .account-email { max-width: calc(100vw - 110px); }
    .desk-main { padding: 0 18px 28px; }
    .function-tabs { gap: 24px; margin-bottom: 24px; }
    .function-tabs button { padding: 17px 0 15px; font-size: 13px; min-height: 54px; }
    .desk-intro h1 { font-size: 24px; }
    .desk-intro-actions { gap: 14px; padding: 0 0 22px; }
    .desk-grid { grid-template-columns: minmax(0,1fr); gap: 20px; }
    .panel-head, .panel-body { padding: 18px; }
    .desk-input-panel textarea { min-height: 210px; }
    .work-modes button { padding: 8px 14px; min-height: 38px; }
    .code-tools { gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
    .auth-main { background: var(--bg); }
    .auth-card { padding: 26px 22px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
}
@media(prefers-reduced-motion: reduce) { .primary { transition: none; } }

/* Уникальные изображения в палитре «Нефрит и серебро». */
.auth-brand-panel { padding: 32px clamp(28px,4vw,64px); }
.auth-story { margin: 28px 0 24px; padding: 0; border: 0; max-width: 480px; }
.auth-story h2 { font-size: 30px; line-height: 1.35; }
.auth-story p { font-size: 14px; margin-top: 14px; }
.auth-features { gap: 12px; margin-top: 20px; }
.auth-feature { font-size: 13px; }
.auth-port-figure { margin: 0 0 20px; width: 100%; }
.auth-port-image { display: block; width: 100%; height: clamp(190px,22vh,260px); object-fit: cover; object-position: 50% 60%; border-radius: 10px; }
.auth-brand-panel > .small { margin-top: auto; }
.auth-mobile-port { display: none; }
.desk-empty { flex-direction: column; gap: 18px; min-height: 290px; padding: 26px; }
.workspace-illustration { display: block; width: 190px; max-width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: contain; }

/* Спокойный фон кабинета: графика остаётся по краям, карточки непрозрачные. */
.workspace-page {
    background-color: #f4f8f9;
    background-image: url("images/workspace-background.svg"),
        radial-gradient(ellipse at 0% 25%, #dceeee 0%, transparent 48%),
        radial-gradient(ellipse at 100% 65%, #e3eaee 0%, transparent 48%);
    background-size: 100% auto, 100% 100%, 100% 100%;
    background-position: center 80px, center, center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}
.workspace-page .panel { background: #fff; box-shadow: 0 4px 18px #25404605; }
@media(max-width: 720px) {
    .workspace-page {
        background-image: linear-gradient(145deg, #edf5f5, #f7f9fa 55%, #eef3f5);
        background-size: 100% 100%;
        background-position: center;
        background-attachment: scroll;
    }
}
@media(max-width: 900px) {
    .auth-brand-panel { padding: 28px; }
    .auth-story h2 { font-size: 28px; }
    .auth-port-image { height: 180px; }
}
@media(max-width: 720px) {
    .auth-mobile-port { display: block; width: 100%; max-width: 430px; height: 120px; object-fit: cover; object-position: 50% 60%; border-radius: 10px; }
    .desk-empty { min-height: 280px; padding: 24px 18px; }
    .workspace-illustration { width: 175px; }
}

.auth-honeypot { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.auth-bonus-note { margin-top: 10px; line-height: 1.6; }
.auth-switch-row { display: flex; justify-content: center; align-items: baseline; flex-wrap: wrap; gap: 4px 8px; }
.auth-switch-row > span, .auth-switch-row > a { white-space: nowrap; }
.auth-info-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 20px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 12px; line-height: 1.8; }
.auth-verification-link { text-align: center; margin-top: 12px; font-size: 13px; }
.function-tabs .function-link { display: inline-flex; align-items: center; padding: 20px 0 18px; color: var(--muted); font-size: 14px; text-decoration: none; border-bottom: 2px solid transparent; }
.function-tabs .function-link[aria-current="page"] { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.pdf-tool-nav { flex-wrap: wrap; }
.pdf-limit-note { padding: 14px 16px; border: 1px solid #d4e6e9; background: #edf5f7; border-radius: 8px; font-size: 13px; }
.pdf-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 18px; }
.pdf-actions .primary, .pdf-download { width: auto; }
.pdf-result-panel, .pdf-history-panel { margin-top: 24px; }
.pdf-groups { display: grid; gap: 16px; margin-top: 20px; }
.pdf-group-row { display: grid; grid-template-columns: minmax(0,1fr) 100px 100px auto auto; gap: 12px; align-items: end; padding: 16px; background: #f6faf9; border: 1px solid var(--line); border-radius: 9px; }
.pdf-group-row .label { margin: 0; font-size: 12px; }
.pdf-group-row input { width: 100%; margin-top: 8px; padding: 11px; }
.pdf-group-note { grid-column: 1/-1; }
.pdf-page-preview { padding: 20px; margin: 24px 0; background: #eaf1f1; border-radius: 10px; }
.pdf-page-preview img { display: block; max-width: 100%; max-height: 900px; margin: 18px auto 0; object-fit: contain; }
.pdf-output-list { display: grid; gap: 10px; margin: 24px 0 18px; }
.pdf-output-item { padding: 12px 16px; border: 1px solid #cbdedb; border-radius: 8px; color: #286f62; background: #f5faf7; overflow-wrap: anywhere; }
.pdf-history-list { display: grid; gap: 10px; }
@media(max-width: 760px) { .pdf-group-row { grid-template-columns: 1fr 1fr; } .pdf-group-row label:first-child { grid-column: 1/-1; } .pdf-result-panel .panel-head { flex-wrap: wrap; gap: 14px; } .pdf-actions .primary { width: 100%; } .function-tabs { flex-wrap: wrap; } }
.auth-resend { width: 100%; margin-top: 14px; }
.verification-notice { margin-top: 20px; }
#code { letter-spacing: 8px; font-size: 22px; }

/* Тарифы: светлые карточки в существующей палитре «Нефрит и серебро». */
.pricing-header nav { display: flex; gap: 10px; flex-wrap: wrap; }
.pricing-header a[aria-current="page"] { color: #286f62; background: #edf5f2; border-color: #b9d7cc; }
.pricing-header a.secondary, .pricing-footer a { text-decoration: none; }
.pricing-main { width: min(1140px,100%); padding: 44px 28px 32px; margin: 0 auto; }
.pricing-intro { text-align: center; margin-bottom: 28px; }
.pricing-intro h1 { font-size: clamp(30px,4vw,44px); font-weight: 650; line-height: 1.18; letter-spacing: -1px; }
.pricing-intro p { margin-top: 16px; font-size: 15px; }
.pricing-preview { display: flex; gap: 12px; align-items: flex-start; padding: 16px 20px; border: 1px solid #cbdedb; background: #edf5f3; border-radius: 12px; margin-bottom: 28px; }
.pricing-preview p { color: #345952; font-size: 13px; }
.pricing-status-dot { background: #247466; border-radius: 50%; width: 7px; height: 7px; flex: 0 0 7px; margin-top: 8px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; align-items: stretch; }
.plan-card { display: flex; flex-direction: column; padding: 28px 24px; background: #fff; border: 1px solid var(--line); border-radius: 15px; box-shadow: 0 6px 24px #25404606; }
.plan-featured { border: 2px solid #397d70; padding: 27px 23px; box-shadow: 0 8px 30px #2474660d; }
.plan-topline { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; min-height: 58px; }
.plan-topline h2 { font-size: 20px; font-weight: 600; }
.plan-badge { font-size: 10px; padding: 4px 9px; border-radius: 5px; color: #286459; background: #edf5f2; font-weight: 600; }
.plan-subtitle { font-size: 12px; margin-top: 12px; }
.plan-price { font-size: 38px; font-weight: 650; letter-spacing: -1.2px; margin-top: 22px; line-height: 1.2; font-variant-numeric: tabular-nums; }
.plan-price span { font-size: 22px; font-weight: 500; }
.plan-price + .small { margin-top: 8px; }
.plan-credits { display: flex; align-items: baseline; gap: 9px; flex-wrap: wrap; margin: 24px 0 20px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.plan-credits strong { color: #276f61; font-size: 24px; font-weight: 650; }
.plan-credits span { font-size: 11px; color: var(--muted); }
.plan-features { padding: 0; list-style: none; margin: 0 0 26px; display: grid; gap: 14px; }
.plan-features li { font-size: 13px; line-height: 1.6; padding-left: 18px; position: relative; }
.plan-features li::before { content: "✓"; color: #397d70; position: absolute; left: 0; }
.plan-select { width: 100%; min-height: 46px; margin-top: auto; }
.plan-featured .primary { background: #286f62; }
.plan-featured .primary:hover:not(:disabled) { background: #1f5b50; }
.plan-chosen { background: #f9fcfb; }
.plan-selected-label { margin-top: 12px; text-align: center; color: #286f62; }
.pricing-rules, .pricing-calculator { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 28px; margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.pricing-rules h2, .pricing-calculator h2, .pricing-faq h2 { font-size: 22px; font-weight: 600; line-height: 1.35; }
.pricing-rules p, .pricing-calculator p { margin-top: 12px; }
.credit-rules { margin: 0; display: grid; gap: 16px; }
.credit-rules > div { display: grid; grid-template-columns: 1fr auto; gap: 12px; font-size: 13px; line-height: 1.6; }
.credit-rules dd { margin: 0; color: #276f61; font-weight: 600; text-align: right; }
.pricing-rules-note { grid-column: 1/-1; padding-top: 18px; border-top: 1px solid var(--line); margin: 0 !important; }
.calculator-controls select { width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 11px 12px; background: var(--field); color: var(--ink); font: inherit; font-size: 13px; }
.calculator-label { margin: 22px 0 8px; }
#codeCount { accent-color: #286f62; padding: 0; min-height: 32px; }
.calculator-result { display: grid; gap: 6px; background: #edf5f2; border-radius: 10px; padding: 16px; margin-top: 12px; font-size: 12px; }
.calculator-result strong { font-size: 28px; color: #286f62; font-weight: 600; }
.pricing-faq { margin: 36px 0 28px; }
.pricing-faq h2 { margin-bottom: 20px; }
.pricing-faq details { border-bottom: 1px solid #d4dfdf; }
.pricing-faq summary { padding: 17px 0; font-size: 14px; font-weight: 500; cursor: pointer; }
.pricing-faq details p { padding: 0 0 18px; }
.pricing-footer { display: flex; justify-content: space-between; gap: 18px; font-size: 12px; color: var(--muted); border-top: 1px solid #d4dfdf; padding-top: 24px; }
.advantages-main { padding-top: 48px; }
.advantages-intro { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,1fr); gap: 44px; align-items: center; margin-bottom: 36px; }
.advantages-intro h1 { font-size: clamp(30px,4vw,44px); line-height: 1.2; letter-spacing: -1px; font-weight: 650; }
.advantages-lead { font-size: 15px; margin-top: 18px; max-width: 520px; }
.advantages-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 14px; }
.advantages-actions a, .advantages-bottom > a { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; width: auto; }
.advantages-figure { margin: 0; }
.advantages-figure img { display: block; width: 100%; height: 260px; object-fit: cover; border-radius: 14px; }
.advantages-figure figcaption { font-size: 11px; color: var(--muted); margin-top: 12px; line-height: 1.6; }
.advantages-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.advantage-card { display: flex; gap: 18px; background: #fff; padding: 26px; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 4px 18px #25404605; }
.advantage-number { flex: 0 0 40px; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: 10px; color: #286f62; background: #edf5f2; font-size: 14px; font-weight: 600; }
.advantage-card h2 { font-size: 19px; font-weight: 600; line-height: 1.4; }
.advantage-card p { margin-top: 12px; font-size: 13px; line-height: 1.85; }
.advantage-card p.small { font-size: 11px; }
.advantage-planned { background: #fbfdfc; }
.advantage-badge { display: inline-block; font-size: 10px; color: #4d6e64; padding: 4px 8px; background: #edf5f2; border-radius: 5px; margin-bottom: 10px; }
.advantages-bottom { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 28px; background: #eaf4f0; border: 1px solid #cbdedb; border-radius: 14px; margin: 32px 0; }
.advantages-bottom h2 { font-size: 24px; line-height: 1.35; font-weight: 600; }
.advantages-bottom p { margin-top: 12px; }
.advantages-bottom > a { flex-shrink: 0; }
.advantages-page .pricing-footer a { flex-shrink: 0; }
@media(max-width: 1000px) { .pricing-grid { gap: 14px; } .plan-card { padding: 24px 18px; } .plan-featured { padding: 23px 17px; } .desk-header .account { gap: 10px; flex-wrap: wrap; } }
@media(max-width: 760px) {
    .advantages-intro, .advantages-grid { grid-template-columns: minmax(0,1fr); gap: 20px; }
    .advantages-figure img { height: 180px; }
    .advantages-bottom { flex-direction: column; align-items: stretch; padding: 22px; }
    .advantage-card { padding: 22px 18px; gap: 14px; }
    .pricing-main { padding: 28px 18px; }
    .pricing-intro { text-align: left; }
    .pricing-desktop-break { display: none; }
    .pricing-grid, .pricing-rules, .pricing-calculator { grid-template-columns: minmax(0,1fr); gap: 20px; }
    .plan-topline { flex-direction: row; align-items: center; justify-content: space-between; min-height: 30px; flex-wrap: wrap; }
    .pricing-rules, .pricing-calculator { padding: 22px; }
    .pricing-preview { padding: 16px; }
    .credit-rules > div { grid-template-columns: minmax(0,1fr); gap: 3px; }
    .credit-rules dd { text-align: left; }
    .pricing-footer { flex-direction: column; }
}