.wc{font-family:var(--font-ui,'Segoe UI',sans-serif);color:var(--text);margin:0 auto 36px;max-width:1500px;min-width:0;--wc-paper:#fff;--wc-ink:#111827;--wc-muted:var(--text-muted,#8793a5)}
.wc *{box-sizing:border-box}.wc [hidden]{display:none!important}.wc button,.wc select{font:inherit}.wc button{cursor:pointer}.wc button:disabled{cursor:default;opacity:.45}.wc button:focus-visible,.wc select:focus-visible,.wc summary:focus-visible,.wc-page:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.wc button{transition:background .15s,border-color .15s,transform .15s}.wc button:hover:enabled{border-color:var(--accent);background:var(--accent-dim)}
.wc-header{display:flex;align-items:center;gap:22px;margin:8px 0 24px}.wc-back,.wc-save-tools button,.wc-lesson-nav button,.wc-retry{background:var(--panel);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:9px 12px;min-height:38px}.wc-brand{display:flex;align-items:center;gap:12px}.wc-app-icon{display:grid;place-items:center;width:43px;height:45px;border-radius:9px;background:var(--accent);color:var(--accent-ink,#fff);font-family:Georgia,serif;font-weight:700;font-size:29px;box-shadow:inset -8px 0 #00000012}.wc-brand strong{display:block;font-size:17px;font-weight:700;color:var(--text-bright)}.wc-brand small{display:block;color:var(--wc-muted);font-size:12px;margin-top:3px}.wc-course-count{margin-left:auto;font-family:var(--font-mono,monospace);font-size:13px;background:var(--accent-dim);padding:8px 12px;border-radius:20px;color:var(--accent-bright,var(--accent))}.wc-message{padding:14px 18px;border:1px solid var(--border);border-radius:10px;background:var(--panel);margin-bottom:16px}.wc-message-error,.wc-feedback-error{color:var(--error)!important}.wc-catalog-intro{max-width:720px;margin:40px 0 38px}.wc-kicker{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.06em}.wc-catalog-intro h1{white-space:pre-line;font-size:clamp(26px,3vw,38px);line-height:1.22;letter-spacing:-.035em;color:var(--text-bright);margin:14px 0}.wc-catalog-intro p{font-size:14px;line-height:1.8;max-width:610px;color:var(--text)}.wc-access-lock{padding:28px;border:1px solid var(--border);border-radius:14px;background:var(--panel)}.wc-access-lock strong{color:var(--text-bright);font-size:18px}.wc-access-lock p{margin-bottom:0;line-height:1.7}
.wc-course-group{margin-top:28px}.wc-course-group-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}.wc-group-index{display:grid;place-items:center;width:32px;height:32px;background:var(--panel-soft);border:1px solid var(--border);border-radius:9px;font-size:12px;color:var(--accent)}.wc-course-group-head h2{font-size:16px;margin:0;color:var(--text-bright)}.wc-lesson-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.wc-lesson-card{display:flex;flex-direction:column;align-items:flex-start;text-align:left;padding:16px 14px;gap:9px;min-height:142px;border:1px solid var(--border);border-radius:12px;background:var(--panel);color:var(--text)}.wc-card-level{font-size:10px;letter-spacing:.08em;color:var(--wc-muted)}.wc-lesson-card strong{font-size:13px;line-height:1.5;color:var(--text-bright);font-weight:600}.wc-card-state{margin-top:auto;font-size:11px;color:var(--accent)}.wc-lesson-card.wc-completed{border-color:var(--success);background:var(--success-dim)}.wc-completed .wc-card-state{color:var(--success)}.wc-lesson-card.wc-locked{opacity:.55}.wc-locked .wc-card-state{color:var(--wc-muted)}
.wc-workspace{overflow:hidden;border:1px solid var(--border);border-radius:14px;background:var(--panel);box-shadow:var(--shadow-sm)}.wc-document-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 20px;background:var(--accent);color:var(--accent-ink,#fff)}.wc-document-tag{display:block;font-size:10px;letter-spacing:.07em;opacity:.85;margin-bottom:4px}.wc-document-title{font-size:14px}.wc-save-tools{display:flex;align-items:center;gap:8px}.wc-save-status{font-size:11px;max-width:180px;text-align:right;margin-right:6px}.wc-save-tools button{background:#ffffff12;color:inherit;border-color:currentColor;min-height:32px;padding:6px 10px;font-size:11px}.wc-save-tools button:hover:enabled{background:#ffffff25;border-color:inherit}.wc-tabs{height:39px;display:flex;align-items:center;gap:24px;padding:0 20px;border-bottom:1px solid var(--border);background:var(--panel)}.wc-active-tab{font-size:12px;height:39px;display:flex;align-items:center;border-bottom:3px solid var(--accent);color:var(--text-bright);font-weight:700}.wc-tab-note{color:var(--wc-muted);font-size:11px}.wc-ribbon{display:flex;align-items:stretch;padding:10px 12px;gap:8px;overflow-x:auto;border-bottom:1px solid var(--border);background:var(--bg-soft);scrollbar-width:thin}.wc-ribbon-group{flex:0 0 auto;padding:0 9px 0 0;border-right:1px solid var(--border);display:flex;flex-direction:column;justify-content:space-between;max-width:490px}.wc-ribbon-group:last-child{border-right:0;padding-right:0}.wc-ribbon-row{display:flex;align-items:center;gap:4px;flex-wrap:wrap;min-height:58px;max-width:440px}.wc-ribbon-group:first-child .wc-ribbon-row{max-width:90px}.wc-ribbon-group:nth-child(2) .wc-ribbon-row{max-width:360px}.wc-ribbon-group:nth-child(3) .wc-ribbon-row{max-width:400px}.wc-ribbon-group:last-child .wc-ribbon-row{max-width:126px}.wc-ribbon button,.wc-ribbon select{height:29px;padding:3px 7px;background:var(--panel);border:1px solid var(--border);border-radius:5px;color:var(--text-bright);font-size:11px;line-height:1.3;max-width:170px}.wc-ribbon button{min-width:29px}.wc-ribbon button[aria-pressed=true]{background:var(--accent-dim);border-color:var(--accent);color:var(--accent-bright,var(--accent))}.wc-ribbon .wc-format-bold{font-weight:800;font-size:14px}.wc-ribbon .wc-format-italic{font-family:Georgia,serif;font-style:italic;font-size:15px}.wc-ribbon .wc-format-underline{text-decoration:underline;font-size:14px}.wc-ribbon .wc-align-left{text-align:left;padding-right:14px}.wc-ribbon .wc-align-right{text-align:right;padding-left:14px}.wc-ribbon .wc-align-center{text-align:center;padding:3px 11px}.wc-group-label{display:block;text-align:center;color:var(--wc-muted);font-size:9px;margin-top:6px;line-height:1.2}.wc-control-label{display:inline-flex;min-width:0}.wc-control-label select{width:100%}.wc-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.wc-workarea{display:grid;grid-template-columns:minmax(0,1fr) 300px;min-height:600px}.wc-canvas{background:var(--bg);padding:15px clamp(16px,3vw,40px) 22px;min-width:0;overflow:auto}.wc-ruler{display:flex;justify-content:space-between;max-width:795px;margin:auto;height:22px;color:var(--wc-muted);font-size:9px;background:repeating-linear-gradient(90deg,var(--border) 0 1px,transparent 1px 1.25%) center 15px/100% 6px no-repeat;user-select:none}.wc-page{min-height:490px;max-width:795px;margin:12px auto 0;background:var(--wc-paper);color:var(--wc-ink);padding:48px clamp(24px,5vw,62px) 65px;box-shadow:0 5px 25px #00000018;border:1px solid #cbd0d8;outline-offset:3px;overflow-wrap:anywhere;white-space:pre-wrap;font:14pt/1.15 Arial,sans-serif;cursor:text;caret-color:#111827;color-scheme:light}.wc-page::selection,.wc-page *::selection{background:#b4d7ff;color:inherit}.wc-page .wc-paragraph{position:relative;font-weight:400;font-style:normal;font-size:14pt;font-family:Arial,sans-serif;line-height:1.15;margin:0 0 8pt;padding:0;min-height:1em;border:0;white-space:pre-wrap;color:#111827}.wc-page h1.wc-paragraph::after,.wc-page h2.wc-paragraph::after{content:attr(data-heading);position:absolute;right:-22px;top:3px;font:10px Arial;color:#718096;border-left:2px solid #b8c5d9;padding-left:4px;user-select:none;pointer-events:none}.wc-page .wc-list-paragraph{padding-left:22px}.wc-list-paragraph::before{content:attr(data-marker);position:absolute;left:0;top:0;font-size:14pt;color:#111827;user-select:none;pointer-events:none}.wc-page:empty::before{content:'Начни печатать';color:#9ca3af}.wc-page-status{display:flex;justify-content:space-between;gap:8px;max-width:795px;margin:10px auto 0;font-size:10px;color:var(--wc-muted)}
.wc-tutorial{padding:24px 20px;background:var(--panel);border-left:1px solid var(--border);min-width:0}.wc-lesson-eyebrow{font-size:10px;letter-spacing:.1em;color:var(--accent);font-weight:700;margin-bottom:9px}.wc-lesson-title{font-size:20px;line-height:1.3;letter-spacing:-.025em;color:var(--text-bright);margin:0 0 10px}.wc-lesson-description{font-size:12px;line-height:1.7;margin:0 0 18px;color:var(--text)}.wc-tutorial-progress{height:4px;border-radius:4px;background:var(--border);overflow:hidden}.wc-tutorial-progress span{display:block;height:100%;background:var(--success);width:0;transition:width .3s ease}.wc-step-count{font-size:10px;color:var(--wc-muted);margin-top:7px}.wc-steps{list-style:none;padding:0;margin:20px 0}.wc-step{display:flex;gap:10px;margin-bottom:14px;align-items:flex-start;opacity:.7}.wc-step-current,.wc-step-done{opacity:1}.wc-step-number{display:grid;place-items:center;flex:0 0 24px;height:24px;border-radius:50%;font-size:10px;font-weight:700;color:var(--wc-muted);border:1px solid var(--border)}.wc-step-current .wc-step-number{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.wc-step-done .wc-step-number{border-color:var(--success);color:var(--success);background:var(--success-dim)}.wc-step-label{font-size:12px;line-height:1.6;display:block}.wc-step-done .wc-step-label{color:var(--success)}.wc-step-hint{font-size:11px;line-height:1.7;margin:6px 0 0;padding:8px 9px;border-left:2px solid var(--accent);background:var(--accent-dim);border-radius:0 5px 5px 0;overflow-wrap:anywhere}.wc-help{border-top:1px solid var(--border);padding:14px 0;font-size:11px;line-height:1.7}.wc-help summary{cursor:pointer;color:var(--text-bright)}.wc-help p{margin:9px 0 0;color:var(--text)}.wc-feedback{font-size:12px;line-height:1.7;margin:7px 0 14px;overflow-wrap:anywhere;color:var(--success);min-height:0}.wc-feedback:empty{display:none}.wc-submit{width:100%;padding:12px 10px;min-height:43px;font-weight:700;font-size:12px;border-radius:8px;border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink,#fff)}.wc-submit.wc-ready{background:var(--success);border-color:var(--success);color:var(--success-ink,#06231d)}.wc-submit:hover:enabled{background:var(--accent-bright);color:var(--accent-ink)}.wc-lesson-nav{display:flex;justify-content:space-between;gap:8px;margin-top:10px}.wc-lesson-nav button{font-size:10px;padding:8px;min-height:34px;flex:1}.wc-celebrate .wc-tutorial{animation:wc-celebrate .8s ease}.wc-celebrate .wc-tutorial-progress span{box-shadow:0 0 15px var(--success)}@keyframes wc-celebrate{0%,100%{background:var(--panel)}45%{background:var(--success-dim)}}
@media(min-width:1500px){.wc-ribbon-row{gap:6px}.wc-ribbon-group{padding-right:14px}.wc-ribbon{gap:14px}.wc-workarea{grid-template-columns:minmax(0,1fr) 330px}.wc-tutorial{padding:28px}}
@media(max-width:1100px){.wc-lesson-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.wc-workarea{grid-template-columns:minmax(0,1fr) 270px}.wc-tutorial{padding:20px 16px}.wc-ribbon-group{max-width:365px}.wc-ribbon-group:nth-child(3) .wc-ribbon-row{max-width:330px}.wc-page{padding:38px 30px 60px}.wc-save-status{max-width:135px}}
@media(max-width:800px){.wc-lesson-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.wc-workarea{grid-template-columns:1fr}.wc-tutorial{border-left:0;border-top:1px solid var(--border);padding:22px}.wc-page{min-height:390px;padding:34px}.wc-canvas{padding:12px 20px 18px}.wc-document-bar{padding:13px 15px}.wc-save-status{display:none}.wc-tab-note{font-size:10px}.wc-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.wc-step{margin-bottom:0}.wc-lesson-nav{max-width:360px;margin-left:auto;margin-right:auto}.wc-submit{max-width:100%}.wc-header{gap:12px}.wc-brand strong{font-size:15px}.wc-brand small{font-size:10px}}
@media(max-width:520px){.wc-header{flex-wrap:wrap;margin:6px 0 18px;gap:10px}.wc-back{font-size:11px;padding:8px}.wc-app-icon{width:32px;height:35px;font-size:23px}.wc-brand{gap:8px}.wc-brand strong{font-size:12px}.wc-brand small{font-size:9px}.wc-course-count{font-size:10px;padding:6px 8px}.wc-catalog-intro{margin:24px 0}.wc-catalog-intro h1{font-size:25px}.wc-catalog-intro p{font-size:12px}.wc-lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.wc-lesson-card{min-height:145px;padding:13px 11px}.wc-lesson-card strong{font-size:12px}.wc-course-group-head h2{font-size:14px}.wc-workspace{border-radius:9px}.wc-document-bar{display:block}.wc-document-title{font-size:13px}.wc-save-tools{margin-top:10px;justify-content:space-between}.wc-save-status{display:block;font-size:9px;max-width:130px;text-align:left;margin-right:auto}.wc-save-tools button{font-size:9px;padding:5px 7px}.wc-tabs{padding:0 12px;gap:14px}.wc-tab-note{font-size:9px;line-height:1.4}.wc-ribbon{padding:8px;gap:6px}.wc-ribbon-group:nth-child(2) .wc-ribbon-row{max-width:300px}.wc-ribbon-group:nth-child(3) .wc-ribbon-row{max-width:310px}.wc-ribbon button,.wc-ribbon select{height:32px}.wc-ribbon-row{min-height:68px}.wc-canvas{padding:9px 10px 14px}.wc-page{min-height:355px;padding:27px 20px 45px;margin-top:8px}.wc-page-status{font-size:9px;flex-wrap:wrap}.wc-tutorial{padding:20px 15px}.wc-steps{display:block}.wc-step{margin-bottom:14px}.wc-lesson-title{font-size:19px}.wc-page h1.wc-paragraph::after,.wc-page h2.wc-paragraph::after{right:-15px}.wc-group-index{width:28px;height:28px}}
@media(prefers-reduced-motion:reduce){.wc *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.wc-preservation-warning{font-size:11px;line-height:1.7;color:var(--warm);margin:10px 0;padding:9px;border:1px solid var(--warm-border,var(--border));border-radius:7px;background:var(--warm-dim)}.wc-lesson-instructions{padding:10px 0;margin-bottom:14px}.wc-lesson-instructions ol{margin:10px 0 0;padding-left:18px}.wc-lesson-instructions li{margin-top:7px}
.wc-ribbon,.wc-control-label{position:relative}
.wc-ribbon button[aria-pressed=mixed]{background:repeating-linear-gradient(135deg,var(--accent-dim) 0 3px,var(--panel) 3px 6px);border-color:var(--accent)}
.wc-restore-panel{margin:0 0 18px;padding:12px;border:1px solid var(--border);border-radius:9px;background:var(--bg-soft)}.wc-restore-button{width:100%;min-height:38px;padding:9px 10px;border:1px solid var(--accent);border-radius:6px;background:var(--accent-dim);color:var(--text-bright);font-size:11px;font-weight:700;line-height:1.5}.wc-restore-note{font-size:10px;line-height:1.7;color:var(--text);margin:9px 0 0}.wc-recovery-needed{border-color:var(--warm);background:var(--warm-dim)}.wc-recovery-needed .wc-restore-note{color:var(--text-bright)}.wc-source-preview{margin:10px 0 0;padding:9px 0 0;border-top:1px solid var(--border)}.wc-source-text{max-height:180px;overflow:auto;margin-top:8px;padding:10px;border:1px solid var(--border);border-radius:5px;background:var(--panel);color:var(--text);user-select:text;white-space:pre-wrap;overflow-wrap:anywhere}.wc-source-text p{margin:0 0 8px;font-size:11px;line-height:1.7}.wc-source-text p:last-child{margin-bottom:0}