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p{font-size:14px;color:var(--muted)}.auth-divider .button{margin-top:10px}.auth-links{display:flex;justify-content:space-between;gap:12px;font-size:14px;margin-top:20px}.simple-page{max-width:800px;padding-block:55px 80px}.simple-page h1{max-width:23ch}.simple-page h2{font-size:30px;margin-top:40px}.simple-page .lead{max-width:65ch}.payment-total{font-size:42px;font-weight:600;margin:25px 0}.order-status{font-size:26px;margin:24px 0}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:16px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{font-weight:500;color:var(--muted)}td a{text-decoration:underline;display:inline-block;min-height:36px}td .button{min-height:44px;text-decoration:none;padding:8px 12px;font-size:14px}.filters-row{display:flex;gap:10px;flex-wrap:wrap;margin:25px 0}.filters-row a{padding:9px 15px;border:1px solid var(--line);border-radius:6px;font-size:14px;min-height:44px}.filters-row a[aria-current=page]{background:var(--accent-soft);border-color:var(--accent)}.integration-row{padding:22px 0;border-bottom:1px solid var(--line)}.integration-row h3{margin-bottom:8px}.integration-row p{font-size:16px;margin-bottom:12px}.account-actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.certificate{border:1px solid #b2bda6;background:var(--surface);padding:70px 55px;margin:55px auto;max-width:850px;text-align:center}.certificate .wordmark{margin-bottom:60px}.certificate h1{font-size:45px}.certificate h2{font-size:32px;margin:40px 0 20px}.certificate p{max-width:55ch;margin:20px auto}.certificate-id{font-size:12px;color:var(--muted);word-break:break-word}.program-row{display:grid;grid-template-columns:1.1fr 1fr auto;gap:30px;padding:32px 0;border-top:1px solid var(--line);align-items:center}.program-row p{font-size:16px;margin:0}.program-row h2{font-size:28px}.program-row ul{font-size:14px;padding-left:20px}.mini-mode .header{display:none}.mini-mode{padding-top:var(--tg-safe-area-inset-top,env(safe-area-inset-top));padding-bottom:var(--tg-safe-area-inset-bottom,env(safe-area-inset-bottom))}.mini-mode .sidebar{display:none}.mini-mode .workspace{grid-template-columns:1fr}.mini-mode .footer{display:none}.mini-mode .demo-bar{display:none}.loading{cursor:wait!important;opacity:.7}.error-screen{min-height:55vh;display:grid;place-content:center;padding:40px}.program-name{display:flex;gap:15px}.print-only{display:none}
@media(min-width:1440px){.hero{gap:100px}.hero .actions{gap:22px}.hero{padding-top:76px;padding-bottom:76px}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.header{padding-inline:32px}.header nav{gap:24px}.nav-account{margin-left:0}.hero{gap:35px}.hero h1{font-size:58px}.practice-board{padding:22px}.hero .actions{gap:12px}.hero .button{font-size:14px;gap:14px}.hero .lead{font-size:17px}.practice-board .result-paper{margin-left:15px}.path-strip{gap:12px;font-size:12px}.section-heading{gap:40px}.course-grid{gap:18px}.course-body{padding:18px}.course-body h3{font-size:20px}.learning-layout{gap:60px}.workspace{gap:30px;grid-template-columns:185px 1fr}.sidebar{padding-right:15px}.continue-panel{padding:24px;grid-template-columns:1fr 125px}.progress-dial{width:125px}.progress-dial svg{width:120px;height:120px}.progress-dial strong{top:32px;font-size:34px}.detail-layout{gap:35px}.lesson-workspace{gap:40px;grid-template-columns:225px 1fr}.lesson-content h1{font-size:36px}.footer{gap:20px}.course-cover{height:218px}.dashboard-bottom{gap:24px}.continue-panel h2{font-size:26px}}
@media(max-width:850px){.header{height:85px}.header nav{gap:18px;font-size:14px}.wordmark{font-size:22px}.hero{gap:25px;grid-template-columns:1fr 1fr;padding-block:44px}.hero h1{font-size:49px}.hero .eyebrow{font-size:12px}.hero .lead{font-size:16px}.practice-board{padding:20px 16px}.task-line h3{font-size:16px}.task-line{gap:10px}.prompt-paper{padding:16px}.prompt-paper p{font-size:14px}.result-paper{padding:20px}.result-paper h3{font-size:22px}.board-top,.board-bottom{font-size:10px}.board-bottom{gap:10px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home .course-grid{grid-template-columns:repeat(2,1fr)}.course-cover{height:235px}.path-title{display:none}.path-strip{flex-wrap:wrap;justify-content:center;gap:10px 16px}.path-strip i:last-of-type{display:none}.section{padding-block:64px}.section-heading{gap:28px}.section-heading h2{font-size:32px}.learning-layout{gap:40px}.learning-layout h2{font-size:32px}.method-list h3{font-size:20px}.faq-layout{gap:40px;grid-template-columns:1fr 1.2fr}.faq-layout h2{font-size:32px}.footer{grid-template-columns:1.3fr 1fr 1fr}.footer-note{display:none}.filters{grid-template-columns:1fr 1fr}.search-field{grid-column:1/-1}.filters .button{grid-column:1/-1}.workspace{grid-template-columns:1fr;gap:24px}.sidebar{min-height:0;border:0;padding:0}.sidebar-heading,.sidebar-bottom{display:none}.sidebar nav{display:flex;gap:8px;overflow-x:auto}.sidebar nav a{white-space:nowrap;font-size:14px;padding:10px}.sidebar nav a span+span{display:none}.sidebar nav a:nth-child(4),.sidebar nav a:nth-child(5){display:none}.detail-layout{grid-template-columns:minmax(0,1.3fr) minmax(260px,1fr);gap:30px}.purchase-panel{padding:24px}.purchase-panel h3{font-size:24px}.lesson-workspace{grid-template-columns:1fr;gap:25px}.lesson-sidebar{border-bottom:1px solid var(--line);padding-bottom:22px}.lesson-sidebar h3{font-size:20px}.lesson-sidebar nav{display:flex;overflow-x:auto;margin-top:15px}.lesson-sidebar nav a{min-width:220px}.lesson-sidebar .back-link{margin-bottom:12px}.lesson-sidebar .eyebrow{margin-bottom:10px}.lesson-sidebar progress{max-width:400px}.program-row{grid-template-columns:1fr 1fr}.program-row>.button{grid-column:1/-1;justify-self:start}}
@media(max-width:620px){.container{width:calc(100% - 40px)}.demo-bar{font-size:10px;gap:10px;padding-inline:10px}.header{height:76px;padding:0 20px;position:relative}.wordmark{font-size:23px}.mark{width:27px;height:27px;gap:3px}.mark i{width:7px}.mark i:nth-child(3){height:27px}.mark i:nth-child(2){height:20px}.mark i:nth-child(1){height:13px}.menu-toggle{display:flex;align-items:center;gap:10px;font-size:14px;padding:8px}.header nav{display:none;position:absolute;z-index:5;top:75px;left:0;right:0;background:var(--canvas);border-bottom:1px solid var(--line);padding:16px 20px;box-shadow:0 10px 20px #2437290d}.header nav.open{display:flex;flex-direction:column;align-items:stretch;gap:6px}.header nav a{padding:10px 0}.nav-account{justify-content:space-between;border-top:1px solid var(--line)}.hero{grid-template-columns:1fr;gap:36px;padding:36px 0 30px}.hero .eyebrow{font-size:12px;letter-spacing:0;margin-bottom:23px;max-width:28ch;line-height:1.5;align-items:flex-start}.hero .eyebrow .status-dot{margin-top:6px}.hero h1{font-size:clamp(41px,10.8vw,61px);margin-bottom:22px;line-height:1.04}.hero .lead{font-size:17px;line-height:1.6;margin-bottom:25px;max-width:45ch}.hero .button{font-size:15px;width:100%;justify-content:space-between;padding:16px 18px}.hero .actions{gap:5px}.hero .text-link{font-size:15px}.hero-note{font-size:12px;margin-top:12px}.practice-board{padding:22px 20px}.board-top,.board-bottom{font-size:11px}.task-line h3{font-size:18px}.prompt-paper{padding:18px}.prompt-paper p{font-size:15px}.practice-board .result-paper{margin-left:22px;padding:22px}.result-paper h3{font-size:26px}.board-bottom{gap:12px}.path-strip{justify-content:start;display:grid;grid-template-columns:1fr 1fr;gap:15px;font-size:12px;padding-block:22px}.path-strip i,.path-title{display:none}.path-strip b{margin-right:5px}.section{padding-block:48px}.section-heading,.learning-layout,.faq-layout{grid-template-columns:1fr;gap:22px}.section-heading{margin-bottom:28px}.section-heading h2{font-size:32px;line-height:1.15}.section-heading .eyebrow{margin-bottom:17px}.section-heading p{font-size:16px}.section-heading .text-link{font-size:15px}.course-grid{grid-template-columns:1fr;gap:24px}.course-cover{height:225px}.course-body{padding:22px}.course-meta{font-size:13px}.course-body h3{font-size:23px}.course-body p{font-size:16px}.course-bottom{font-size:13px}.cover-word{font-size:38px}.learning-section{padding:45px 0}.learning-layout h2{font-size:32px;margin-bottom:24px}.learning-layout .eyebrow{font-size:11px}.method-list{margin-top:18px}.method-list p{font-size:16px}.method-list li{padding:24px 0;gap:20px}.method-list h3{font-size:22px}.faq-layout{gap:24px}.faq-layout h2{font-size:32px}.faq-layout .eyebrow{font-size:11px}summary{font-size:17px;min-height:72px;line-height:1.4}details p{font-size:16px}.closing{display:block;padding-block:32px 48px}.closing h2{font-size:32px}.closing .eyebrow{font-size:11px}.closing .button{margin-top:25px}.footer{padding-top:32px;grid-template-columns:1fr 1fr;gap:25px 20px;font-size:13px}.footer>div:first-child{grid-column:1/-1}.footer .wordmark{font-size:22px;margin-bottom:12px}.footer p{font-size:13px}.page-head{padding-top:32px;padding-bottom:30px}.page-title{font-size:38px;line-height:1.15}.page-head .lead{font-size:17px}.page-head .eyebrow{font-size:11px}.filters{gap:14px}.filters label{font-size:13px}.filters select{font-size:14px;padding-inline:9px}.results-label{font-size:12px;align-items:start}.results-label>span:last-child{max-width:18ch;text-align:right}.detail-layout{grid-template-columns:1fr;gap:25px}.purchase-panel{padding:26px}.purchase-panel h3{font-size:28px}.section.detail-layout{padding-top:20px}.lesson-list li{gap:12px;flex-wrap:wrap}.lesson-list li>div{flex:1;min-width:220px}.lesson-list li>.subtle{margin-left:30px}.lesson-list h3{font-size:21px}.lesson-list p{font-size:16px}.prerequisites{border-top:1px solid var(--line)}.workspace{padding-top:20px;padding-bottom:45px}.workspace-heading{margin-bottom:22px}.workspace-heading h1{font-size:31px;line-height:1.2}.workspace-heading .eyebrow{font-size:10px}.workspace-heading p{font-size:15px;margin-bottom:0}.date-note{display:none}.continue-panel{padding:24px;grid-template-columns:1fr;gap:20px;position:relative}.continue-panel .eyebrow{font-size:10px;max-width:27ch}.continue-panel h2{font-size:27px;max-width:23ch}.continue-panel p{font-size:16px}.continue-panel .button{width:100%;justify-content:space-between}.progress-dial{display:flex;align-items:center;width:auto;gap:16px}.progress-dial svg{width:50px;height:50px;margin:0}.progress-dial strong{position:static;font-size:27px}.progress-dial strong small{font-size:16px}.progress-dial>span{font-size:13px;margin:0}.section-line{gap:12px;margin-top:30px}.section-line h2{font-size:22px}.section-line>.subtle{font-size:11px;text-align:right}.my-module{gap:14px;flex-wrap:wrap}.module-stamp{width:42px;height:56px;font-size:12px}.my-module h3{font-size:18px}.my-module-info{min-width:190px}.my-module p{font-size:12px}.my-module .round-link{width:44px;height:44px}.my-module .button{margin-left:56px}.dashboard-bottom{grid-template-columns:1fr;gap:10px}.support-note{padding:20px 0 0;border-left:0;border-top:1px solid var(--line);margin-top:12px}.support-note p{font-size:16px}.support-note .eyebrow{font-size:11px}.empty{padding:25px}.empty h2{font-size:26px}.empty p{font-size:16px}.lesson-content h1{font-size:32px}.lesson-content .lead{font-size:18px}.lesson-content>.eyebrow{font-size:11px}.lesson-content h2,.prose h2{font-size:25px}.lesson-format{padding:20px;gap:18px}.lesson-format p{font-size:14px}.prose{font-size:17px}.prompt-block{padding:20px}.prompt-block .section-line{display:block}.prompt-block .link-button{margin-top:8px}.lesson-check fieldset{padding:16px}.lesson-check legend{font-size:16px}.lesson-check .button{width:100%}.lesson-workspace{padding-top:20px;padding-bottom:45px}.form-panel{padding:22px}.form-panel h2{font-size:25px}.form-panel .button{width:100%}.workspace-content>h1{font-size:32px}.workspace-content>h2{font-size:25px}.work-row{flex-wrap:wrap;font-size:14px}.submission .section-line{flex-wrap:wrap}.simple-page{padding-block:35px 55px}.simple-page h1{font-size:36px}.simple-page h2{font-size:26px}.simple-page .lead{font-size:18px}.program-row{grid-template-columns:1fr;gap:18px}.program-row h2{margin-bottom:16px}.program-row ul{margin:0}.certificate{padding:40px 25px;margin:30px 20px}.certificate h1{font-size:32px}.certificate .wordmark{margin-bottom:40px}.certificate h2{font-size:27px}.certificate p{font-size:16px}.auth-layout{margin-top:36px}.auth-layout h1{font-size:32px}.auth-links{flex-wrap:wrap}.status{font-size:12px}.table-wrap table{font-size:13px}th,td{padding:12px 10px}.notice{padding:14px 16px;font-size:15px}}
@media(max-width:360px){.container{width:calc(100% - 32px)}.hero h1{font-size:40px}.hero .button{font-size:14px;gap:8px}.demo-bar span:last-child{display:none}.my-module-info{min-width:170px}.my-module .round-link{margin-left:56px}.practice-board{padding:18px 14px}.result-paper h3{font-size:24px}.page-title{font-size:34px}.workspace-heading h1{font-size:28px}.wordmark{font-size:21px}.filters{grid-template-columns:1fr}.search-field,.filters .button{grid-column:auto}.path-strip{font-size:11px}.footer{grid-template-columns:1fr}.footer>div:first-child{grid-column:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media print{.header,.footer,.demo-bar,.print-button{display:none}.certificate{border:1px solid #bbb;margin:0;max-width:none;page-break-inside:avoid}.print-only{display:block}body{background:white}}
/* Telegram dark is composed for the host rather than an inverted marketing page. */
.mini-mode[data-telegram-theme=dark]{--accent-soft:#283631;--line:#46554f;--accent-hover:#38664e}
.mini-mode[data-telegram-theme=dark] .continue-panel,.mini-mode[data-telegram-theme=dark] .notice,.mini-mode[data-telegram-theme=dark] .form-panel,.mini-mode[data-telegram-theme=dark] .lesson-format,.mini-mode[data-telegram-theme=dark] .prompt-block,.mini-mode[data-telegram-theme=dark] .purchase-panel{background:#25332d;border-color:#46554f}
.mini-mode[data-telegram-theme=dark] .sidebar a[aria-current],.mini-mode[data-telegram-theme=dark] .module-stamp{background:#304136;color:#d5e7d6}
.mini-mode[data-telegram-theme=dark] .course-card{background:var(--surface)}
.mini-mode .container{padding-left:var(--tg-safe-area-inset-left,0);padding-right:var(--tg-safe-area-inset-right,0)}
.admin-summary{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0;gap:24px;margin:30px 0 14px}.admin-summary strong{font-size:32px;display:block;line-height:1.3}.admin-summary span{font-size:13px;color:var(--muted);display:block;max-width:22ch}.admin-summary+.subtle{font-size:13px}.workspace-content>.actions{margin:28px 0}
@media(max-width:620px){.admin-summary{grid-template-columns:repeat(2,1fr);gap:24px}.admin-summary strong{font-size:28px}.admin-summary span{font-size:13px}.workspace-content>.actions .button{width:100%}}
/* Responsive QA correction: a long account navigation must not size the grid. */
.workspace>.sidebar,.workspace>.workspace-content,.workspace-heading>div{min-width:0}.workspace-menu-toggle{display:none}.wordmark{min-height:44px}.auth-links a{min-height:44px;display:flex;align-items:center}.sidebar-bottom .link-button{min-height:44px}.course-body h3 a{display:block;min-height:44px}.results-label a{min-height:44px;display:inline-flex;align-items:center}.button:disabled:hover{background:var(--accent);color:white}.button.secondary:disabled:hover{background:transparent;color:var(--muted)}
@media(max-width:850px){.workspace{grid-template-columns:minmax(0,1fr)}.workspace-menu-toggle{display:flex;justify-content:space-between;align-items:center;width:100%;background:transparent;border-bottom:1px solid var(--line);min-height:48px;padding:10px 0;font-size:16px;color:var(--ink)}.sidebar nav{display:none;margin:10px 0;overflow:visible}.sidebar nav.open{display:block}.sidebar nav a{white-space:normal;font-size:16px}.sidebar nav a:nth-child(4),.sidebar nav a:nth-child(5){display:flex}.workspace-heading h1{overflow-wrap:anywhere}.table-wrap{max-width:100%}}
.lesson-sidebar,.lesson-content,.detail-layout>*,.filters>*{min-width:0}.lesson-menu-toggle{display:none}
@media(max-width:850px){.lesson-workspace{grid-template-columns:minmax(0,1fr)}.lesson-menu-toggle{display:flex;justify-content:space-between;align-items:center;width:100%;background:transparent;border-top:1px solid var(--line);min-height:48px;padding:10px 0;font-size:16px;color:var(--ink)}.lesson-sidebar nav{display:none;overflow:visible;margin-top:0}.lesson-sidebar nav.open{display:block}.lesson-sidebar nav a{min-width:0;font-size:16px}.lesson-sidebar{padding-bottom:12px}.lesson-content,.prose{overflow-wrap:break-word}}