.home{background:var(--bg);flex-direction:column;min-height:100vh;display:flex}.home-nav{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#000000d9;justify-content:space-between;align-items:center;padding:20px 48px;display:flex;position:sticky;top:0}.logo{font-size:22px;font-weight:700;font-family:var(--font-mono)}.home-nav-links{align-items:center;gap:12px;display:flex}.nav-link{color:var(--text-muted);border:1px solid #0000;border-radius:6px;padding:8px 16px;font-size:14px;font-weight:500;text-decoration:none;transition:all .15s}.nav-link:hover{color:var(--text);border-color:var(--border)}.nav-link-primary{background:var(--blue);color:#0d1117;border-color:var(--blue)}.nav-link-primary:hover{opacity:.85;color:#0d1117;border-color:var(--blue)}.hero{grid-template-columns:1fr 1fr;align-items:center;gap:64px;width:100%;max-width:1100px;margin:0 auto;padding:100px 48px;display:grid}.hero-badge{border:1px solid var(--border);color:var(--text-muted);font-size:12px;font-family:var(--font-mono);border-radius:99px;margin-bottom:24px;padding:4px 12px;display:inline-block}.hero-title{color:var(--text);letter-spacing:-1.5px;margin:0 0 20px;font-size:52px;font-weight:800;line-height:1.1}.hero-highlight{background:linear-gradient(135deg, var(--blue), var(--purple));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero-sub{color:var(--text-muted);max-width:440px;margin:0 0 32px;font-size:17px;line-height:1.7}.hero-actions{align-items:center;gap:12px;margin-bottom:16px;display:flex}.btn-primary{background:var(--blue);color:#0d1117;cursor:pointer;border:none;border-radius:8px;padding:13px 28px;font-size:15px;font-weight:700;transition:opacity .15s}.btn-primary:hover{opacity:.85}.btn-secondary{border:1px solid var(--border);color:var(--text-muted);background:0 0;border-radius:8px;padding:13px 24px;font-size:15px;font-weight:500;text-decoration:none;transition:all .15s}.btn-secondary:hover{border-color:var(--text-muted);color:var(--text)}.hero-hint{color:var(--text-muted);margin:0;font-size:12px}.hero-demo{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:0 24px 48px #0006}.demo-header{border-bottom:1px solid var(--border);background:var(--surface2);align-items:center;gap:6px;padding:12px 16px;display:flex}.demo-dot{border-radius:50%;width:12px;height:12px}.demo-dot.red{background:#ff5f57}.demo-dot.yellow{background:#febc2e}.demo-dot.green{background:#28c840}.demo-filename{font-family:var(--font-mono);color:var(--text-muted);margin-left:8px;font-size:12px}.demo-block{font-family:var(--font-mono);white-space:pre;min-height:140px;margin:0;padding:24px;font-size:14px;line-height:1.8}.demo-stats{border-top:1px solid var(--border);background:var(--surface2);gap:16px;padding:12px 24px;display:flex}.demo-stat{font-family:var(--font-mono);color:var(--text-muted);font-size:12px}.char-cursor{color:var(--text);background:var(--blue);border-radius:2px}.features{border-top:1px solid var(--border);width:100%;max-width:1100px;margin:0 auto;padding:80px 48px}.features-grid{grid-template-columns:repeat(4,1fr);gap:24px;display:grid}.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:24px;transition:border-color .15s}.feature-card:hover{border-color:var(--blue)}.feature-icon{margin-bottom:12px;font-size:28px}.feature-card h3{color:var(--text);margin:0 0 8px;font-size:15px;font-weight:600}.feature-card p{color:var(--text-muted);margin:0;font-size:13px;line-height:1.6}.pricing{border-top:1px solid var(--border);width:100%;max-width:1100px;margin:0 auto;padding:80px 48px}.section-title{color:var(--text);text-align:center;margin:0 0 8px;font-size:32px;font-weight:700}.section-sub{color:var(--text-muted);text-align:center;margin:0 0 48px;font-size:15px}.pricing-grid{grid-template-columns:1fr 1fr;gap:24px;max-width:680px;margin:0 auto;display:grid}.pricing-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:32px;position:relative}.pricing-card-pro{border-color:var(--purple);background:#bc8cff0d}.pricing-badge-top{background:var(--purple);color:#0d1117;white-space:nowrap;border-radius:99px;padding:3px 12px;font-size:11px;font-weight:700;position:absolute;top:-12px;left:50%;transform:translate(-50%)}.pricing-tier{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px;font-size:14px;font-weight:600}.pricing-price{font-family:var(--font-mono);color:var(--text);margin-bottom:24px;font-size:40px;font-weight:700}.pricing-price span{color:var(--text-muted);font-size:16px;font-weight:400}.pricing-features{color:var(--text);flex-direction:column;gap:10px;margin:0 0 28px;padding:0;font-size:14px;list-style:none;display:flex}.pricing-features .dim{color:var(--text-muted)}.pricing-btn-free,.pricing-btn-pro{text-align:center;cursor:pointer;border-radius:8px;width:100%;padding:11px;font-size:14px;font-weight:600;text-decoration:none;transition:opacity .15s;display:block}.pricing-btn-free{border:1px solid var(--border);color:var(--text);background:0 0}.pricing-btn-free:hover{border-color:var(--blue);color:var(--blue)}.pricing-btn-pro{background:var(--purple);color:#0d1117;border:none}.pricing-btn-pro:hover{opacity:.85}.lessons-section{border-top:1px solid var(--border);width:100%;max-width:1100px;margin:0 auto;padding:80px 48px}.level-tabs{gap:8px;margin-bottom:28px;display:flex}.level-tab{border:1px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;border-radius:6px;align-items:center;gap:6px;padding:8px 20px;font-size:14px;font-weight:500;transition:all .15s;display:flex}.level-tab:hover{border-color:var(--blue);color:var(--text)}.level-tab.active{background:var(--blue);border-color:var(--blue);color:#0d1117;font-weight:600}.level-tab-locked:not(.active):hover{border-color:var(--yellow);color:var(--yellow)}.tab-lock-badge{font-size:12px}.lessons-grid{flex-direction:column;gap:8px;margin-bottom:24px;display:flex}.lesson-card{background:var(--surface);border:1px solid var(--border);text-align:left;color:var(--text);cursor:pointer;border-radius:8px;align-items:center;gap:16px;width:100%;padding:16px 20px;transition:all .15s;display:flex}.lesson-card:hover{border-color:var(--blue);background:var(--surface2);transform:translate(4px)}.lesson-number{font-family:var(--font-mono);color:var(--text-muted);min-width:28px;font-size:13px}.lesson-info{flex-direction:column;flex:1;gap:2px;display:flex}.lesson-title{font-size:15px;font-weight:500}.lesson-concept{color:var(--purple);font-size:12px;font-family:var(--font-mono)}.lesson-chars{color:var(--text-muted);font-size:12px;font-family:var(--font-mono)}.random-btn{border:1px dashed var(--border);width:100%;color:var(--text-muted);cursor:pointer;background:0 0;border-radius:8px;margin-bottom:48px;padding:14px;font-size:14px;transition:all .15s;display:block}.random-btn:hover{border-color:var(--cyan);color:var(--cyan)}.pro-gate{text-align:center;flex-direction:column;align-items:center;gap:16px;padding:60px 24px;display:flex}.pro-gate-icon{font-size:52px}.pro-gate-title{color:var(--text);margin:0;font-size:22px;font-weight:700}.pro-gate-desc{color:var(--text-muted);max-width:440px;margin:0;font-size:15px;line-height:1.6}.pro-gate-price{font-family:var(--font-mono);color:var(--purple);margin:8px 0;font-size:36px;font-weight:700}.pro-gate-price span{color:var(--text-muted);font-size:16px;font-weight:400}.pro-gate-btn{background:var(--purple);color:#0d1117;border-radius:8px;padding:13px 40px;font-size:16px;font-weight:700;text-decoration:none;transition:opacity .15s}.pro-gate-btn:hover{opacity:.85}.pro-gate-hint{color:var(--text-muted);margin:0;font-size:13px}.gate-actions{flex-direction:column;align-items:center;gap:12px;display:flex}.gate-login-link{color:var(--text-muted);font-size:13px;text-decoration:none}.gate-login-link:hover{color:var(--blue)}.home-footer{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:40px 48px;display:flex}.footer-logo{font-size:18px;font-weight:700;font-family:var(--font-mono)}.footer-links{gap:24px;display:flex}.footer-links a{color:var(--text-muted);font-size:13px;text-decoration:none;transition:color .15s}.footer-links a:hover{color:var(--text)}.footer-copy{color:var(--text-muted);text-align:center;width:100%;margin:0;font-size:12px}.loading{color:var(--text-muted);text-align:center;padding:40px 0}@media (width<=860px){.hero{grid-template-columns:1fr;gap:40px;padding:60px 24px}.hero-title{font-size:36px}.features-grid{grid-template-columns:1fr 1fr}.pricing-grid{grid-template-columns:1fr}.features,.pricing,.lessons-section{padding:60px 24px}.home-nav{padding:16px 24px}.home-footer{padding:32px 24px}}@media (width<=540px){.features-grid{grid-template-columns:1fr}.hero-title{font-size:30px}.hero-actions{flex-direction:column;align-items:stretch}}.code-display{background:var(--surface);border:1px solid var(--border);font-family:var(--font-mono);text-align:left;white-space:pre-wrap;word-break:break-all;tab-size:4;border-radius:10px;outline:none;padding:28px 32px;font-size:17px;line-height:1.8}.char-correct{color:var(--green)}.char-error{color:var(--red);background:#f8514926;border-radius:2px}.char-cursor{color:var(--text);background:var(--blue);border-radius:2px;animation:1s step-end infinite blink}.char-pending{color:var(--text-muted)}@keyframes blink{50%{color:var(--text-muted);background:0 0}}.results{flex-direction:column;align-items:center;gap:40px;padding:60px 24px;display:flex}.results-header{text-align:center}.results-check{color:var(--green);margin-bottom:16px;font-size:48px}.results-header h2{color:var(--text);margin-bottom:8px;font-size:28px;font-weight:600}.results-title{color:var(--text-muted);font-size:15px}.results-stats{gap:48px;display:flex}.stat{flex-direction:column;align-items:center;gap:6px;display:flex}.stat-value{font-family:var(--font-mono);color:var(--text);font-size:36px;font-weight:700}.stat-label{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);font-size:12px}.color-text{color:var(--text)}.results-actions{gap:12px;display:flex}.btn-retry,.btn-home,.btn-dashboard{cursor:pointer;border-radius:8px;padding:12px 28px;font-size:15px;font-weight:500;transition:all .15s}.btn-retry{background:var(--blue);color:#0d1117;border:none}.btn-retry:hover{opacity:.85}.btn-home,.btn-dashboard{border:1px solid var(--border);color:var(--text-muted);background:0 0}.btn-home:hover,.btn-dashboard:hover{border-color:var(--text-muted);color:var(--text)}.results-signup-hint{color:var(--text-muted);margin-top:-16px;font-size:13px}.lesson{outline:none;flex-direction:column;min-height:100vh;display:flex}.lesson-loading{min-height:100vh;color:var(--text-muted);justify-content:center;align-items:center;display:flex}.lesson-nav{border-bottom:1px solid var(--border);background:var(--surface);justify-content:space-between;align-items:center;padding:16px 32px;display:flex}.nav-back{color:var(--text-muted);font-size:14px;text-decoration:none;transition:color .15s}.nav-back:hover{color:var(--text)}.nav-info{flex-direction:column;align-items:center;gap:2px;display:flex}.nav-title{color:var(--text);font-size:15px;font-weight:600}.nav-concept{color:var(--purple);font-size:12px;font-family:var(--font-mono)}.nav-stats{font-family:var(--font-mono);color:var(--text-muted);justify-content:flex-end;align-items:center;gap:6px;min-width:120px;font-size:13px;display:flex}.nav-sep{color:var(--border)}.progress-bar{background:var(--surface2);height:3px}.progress-fill{background:var(--blue);height:100%;transition:width .1s linear}.lesson-main{flex-direction:column;flex:1;justify-content:center;align-items:center;width:100%;max-width:860px;margin:0 auto;padding:48px 32px;display:flex}.lesson-main .code-display{width:100%;margin-bottom:16px}.lesson-description{color:var(--text-muted);text-align:center;max-width:600px;margin-bottom:20px;font-size:14px;line-height:1.6}.lesson-hint{color:var(--text-muted);text-align:center;font-size:13px}.lesson-hint kbd{border:1px solid var(--border);font-family:var(--font-mono);background:var(--surface2);color:var(--text-muted);border-radius:4px;padding:1px 6px;font-size:11px;display:inline-block}.nav-wpm{color:var(--blue)}.nav-acc{font-weight:600}.nav-attempts{color:var(--yellow);font-size:12px;font-family:var(--font-mono)}.color-yellow{color:var(--yellow)}.color-red{color:var(--red)}.lesson-blocked{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.blocked-card{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:12px;flex-direction:column;align-items:center;gap:12px;width:100%;max-width:400px;padding:40px;display:flex}.blocked-icon{font-size:48px}.blocked-card h2{color:var(--text);margin:0;font-size:22px;font-weight:600}.blocked-card p{color:var(--text-muted);margin:0;font-size:14px;line-height:1.6}.blocked-sub{color:var(--text-muted)}.blocked-btn-primary{background:var(--blue);color:#0d1117;border-radius:8px;width:100%;margin-top:8px;padding:12px;font-size:15px;font-weight:600;text-decoration:none;transition:opacity .15s;display:block}.blocked-btn-primary:hover{opacity:.85}.blocked-btn-secondary{color:var(--text-muted);font-size:13px;text-decoration:none}.blocked-btn-secondary:hover{color:var(--text)}.auth-page{background:var(--bg);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-back{color:var(--text-muted);align-items:center;gap:6px;font-size:14px;text-decoration:none;transition:color .15s;display:flex;position:fixed;top:20px;left:24px}.auth-back:hover{color:var(--text)}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;align-items:center;gap:8px;width:100%;max-width:400px;padding:40px;display:flex}.auth-logo{font-size:28px;font-weight:700;font-family:var(--font-mono);margin-bottom:16px;text-decoration:none}.auth-title{color:var(--text);margin:0;font-size:22px;font-weight:600}.auth-sub{color:var(--text-muted);margin-bottom:8px;font-size:14px}.auth-form{flex-direction:column;gap:16px;width:100%;margin-top:16px;display:flex}.field{flex-direction:column;gap:6px;display:flex}.field label{color:var(--text-muted);font-size:13px;font-weight:500}.field input{background:var(--surface2);border:1px solid var(--border);color:var(--text);font-size:15px;font-family:var(--font-sans);border-radius:8px;outline:none;padding:10px 14px;transition:border-color .15s}.field input:focus{border-color:var(--blue)}.field input::placeholder{color:var(--text-muted);opacity:.5}.auth-error{color:var(--red);text-align:center;background:#f851491a;border:1px solid #f8514933;border-radius:6px;padding:8px 12px;font-size:13px}.auth-btn{background:var(--blue);color:#0d1117;cursor:pointer;border:none;border-radius:8px;width:100%;margin-top:4px;padding:12px;font-size:15px;font-weight:600;transition:opacity .15s}.auth-btn:hover:not(:disabled){opacity:.85}.auth-btn:disabled{opacity:.5;cursor:not-allowed}.auth-switch{color:var(--text-muted);margin-top:8px;font-size:13px}.auth-switch a,.logo-py{color:var(--blue)}.oauth-buttons{flex-direction:column;gap:10px;width:100%;margin-top:8px;display:flex}.oauth-btn{background:var(--surface2);border:1px solid var(--border);width:100%;color:var(--text);cursor:pointer;font-size:14px;font-weight:500;font-family:var(--font-sans);border-radius:8px;justify-content:center;align-items:center;gap:10px;padding:11px;transition:all .15s;display:flex}.oauth-btn:hover{border-color:var(--text-muted);background:var(--surface)}.auth-divider{width:100%;color:var(--text-muted);align-items:center;gap:12px;font-size:12px;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:var(--border);flex:1;height:1px}.dashboard{background:var(--bg);min-height:100vh}.dash-nav{border-bottom:1px solid var(--border);background:var(--surface);justify-content:space-between;align-items:center;padding:16px 40px;display:flex}.dash-logo{font-size:22px;font-weight:700;font-family:var(--font-mono);text-decoration:none}.logo-py{color:var(--blue)}.logo-type{color:var(--text)}.dash-user{align-items:center;gap:16px;display:flex}.dash-nav-lb{color:var(--text-muted);border:1px solid var(--border);border-radius:6px;padding:6px 12px;font-size:13px;font-weight:500;text-decoration:none;transition:all .15s}.dash-nav-lb:hover{color:var(--yellow);border-color:var(--yellow)}.dash-nav-avatar{border:1px solid var(--border);background:var(--surface2);border-radius:50%;width:28px;height:28px}.dash-email{color:var(--text-muted);font-size:14px}.dash-signout{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:6px;padding:6px 14px;font-size:13px;transition:all .15s}.dash-signout:hover{border-color:var(--red);color:var(--red)}.dash-main{max-width:860px;margin:0 auto;padding:48px 24px}.profile-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;align-items:center;gap:24px;margin-bottom:32px;padding:28px;display:flex}.profile-avatar-wrap{flex-direction:column;flex-shrink:0;align-items:center;gap:8px;display:flex}.profile-avatar{border:2px solid var(--border);background:var(--surface2);object-fit:cover;width:96px;height:96px;image-rendering:pixelated;border-radius:12px}.avatar-upload-btn{color:var(--text-muted);border:1px solid var(--border);cursor:pointer;white-space:nowrap;background:0 0;border-radius:6px;padding:5px 12px;font-size:12px;font-weight:500;transition:all .15s}.avatar-upload-btn:hover{border-color:var(--blue);color:var(--blue)}.avatar-upload-btn:disabled{opacity:.5;cursor:not-allowed}.avatar-reset-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:0;font-size:11px;transition:color .15s}.avatar-reset-btn:hover{color:var(--red)}.avatar-upload-error{color:var(--red);text-align:center;font-size:11px}.avatar-size-hint{color:var(--text-muted);opacity:.6;text-align:center;font-size:10px}.profile-info{flex-direction:column;flex:1;gap:4px;display:flex}.profile-name{color:var(--text);font-size:22px;font-weight:700;font-family:var(--font-mono);margin:0}.profile-email{color:var(--text-muted);margin:0;font-size:13px}.profile-since{color:var(--text-muted);opacity:.6;margin:0;font-size:12px}.profile-pro-badge{background:var(--purple);color:#0d1117;letter-spacing:.5px;vertical-align:middle;font-size:11px;font-weight:700;font-family:var(--font-sans);border-radius:4px;margin-left:8px;padding:2px 8px;display:inline-block}.profile-edit-btn{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:6px;align-self:flex-start;margin-top:10px;padding:6px 14px;font-size:13px;transition:all .15s}.profile-edit-btn:hover{border-color:var(--blue);color:var(--blue)}.username-form{flex-direction:column;gap:8px;max-width:320px;display:flex}.username-input{background:var(--bg);border:1px solid var(--border);color:var(--text);font-size:15px;font-family:var(--font-mono);border-radius:6px;outline:none;padding:9px 14px;transition:border-color .15s}.username-input:focus{border-color:var(--blue)}.username-error{color:var(--red);font-size:12px}.username-actions{gap:8px;display:flex}.username-save{background:var(--blue);color:#0d1117;cursor:pointer;border:none;border-radius:6px;padding:7px 18px;font-size:13px;font-weight:600;transition:opacity .15s}.username-save:hover{opacity:.85}.username-save:disabled{opacity:.5;cursor:not-allowed}.username-cancel{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:6px;padding:7px 14px;font-size:13px;transition:all .15s}.username-cancel:hover{border-color:var(--text-muted);color:var(--text)}.stats-row{grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:48px;display:grid}.stat-box{background:var(--surface);border:1px solid var(--border);border-radius:10px;flex-direction:column;gap:6px;padding:20px;display:flex}.stat-box-value{font-family:var(--font-mono);color:var(--text);font-size:32px;font-weight:700}.stat-box-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:12px}.color-blue{color:var(--blue)}.color-green{color:var(--green)}.stat-box-denom{color:var(--text-muted);font-size:16px;font-weight:400}.stat-box-unit{color:inherit;font-size:18px;font-weight:400}.stat-trend{margin-left:6px;font-size:18px;font-weight:700}.stat-trend-up{color:var(--green)}.stat-trend-down{color:var(--red)}.stat-trend-flat{color:var(--text-muted)}.activity-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;align-items:center;gap:32px;margin-bottom:24px;padding:24px 28px;display:flex}.activity-streak{flex-direction:column;flex-shrink:0;align-items:center;gap:4px;min-width:80px;display:flex}.streak-flame{font-size:32px}.streak-count{font-family:var(--font-mono);color:var(--text);font-size:36px;font-weight:700;line-height:1}.streak-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px}.activity-chart{flex-direction:column;flex:1;gap:8px;display:flex}.activity-bars{align-items:flex-end;gap:6px;height:64px;display:flex}.activity-bar-wrap{flex-direction:column;flex:1;align-items:center;gap:6px;height:100%;display:flex}.activity-bar-track{flex:1;align-items:flex-end;width:100%;display:flex}.activity-bar-fill{background:var(--blue);border-radius:3px 3px 0 0;width:100%;min-height:0;transition:height .4s}.activity-bar-fill.empty{background:var(--surface2);border-radius:3px;min-height:4px}.activity-bar-fill.today{background:var(--green)}.activity-bar-label{color:var(--text-muted);font-size:10px;font-family:var(--font-mono);flex-shrink:0}.activity-bar-label.today{color:var(--green);font-weight:600}.activity-hint{color:var(--text-muted);opacity:.6;margin:0;font-size:11px}.badges-row{grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px;display:grid}.badge-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;align-items:center;gap:12px;padding:16px 18px;transition:all .2s;display:flex;position:relative;overflow:hidden}.badge-card.badge-earned{border-color:var(--green);background:#3fb9500f}.badge-icon{flex-shrink:0;font-size:28px}.badge-info{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.badge-name{color:var(--text);font-size:13px;font-weight:600}.badge-check{color:var(--green)}.badge-progress{color:var(--text-muted);font-size:11px;font-family:var(--font-mono)}.badge-bar{background:var(--surface2);height:2px;position:absolute;bottom:0;left:0;right:0}.badge-bar-fill{background:var(--blue);height:100%;transition:width .4s}.completion-map{background:var(--surface);border:1px solid var(--border);border-radius:10px;margin-bottom:40px;padding:20px 24px}.map-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:16px;font-size:13px;font-weight:600}.map-row{align-items:center;gap:12px;margin-bottom:8px;display:flex}.map-level-label{color:var(--text-muted);font-size:11px;font-family:var(--font-mono);flex-shrink:0;width:88px}.map-cells{flex-wrap:wrap;gap:4px;display:flex}.map-cell{border-radius:3px;width:18px;height:18px;text-decoration:none;transition:transform .1s;display:inline-block}.map-cell:hover{transform:scale(1.3)}.map-cell-0{background:#2e2e2e}.map-cell-1{background:#1a4a2e}.map-cell-2{background:#196830}.map-cell-3{background:#26a641}.map-cell-4{background:#39d353}.map-legend{border-top:1px solid var(--border);align-items:center;gap:4px;margin-top:14px;padding-top:12px;display:flex}.map-legend-label{color:var(--text-muted);margin:0 4px;font-size:11px}.dash-section{margin-bottom:40px}.dash-section-title{color:var(--text);align-items:center;gap:12px;margin-bottom:12px;font-size:16px;font-weight:600;display:flex}.dash-section-count{font-family:var(--font-mono);color:var(--text-muted);font-size:12px;font-weight:400}.dash-lessons{flex-direction:column;gap:6px;display:flex}.dash-lesson{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:8px;justify-content:space-between;align-items:center;padding:14px 18px;text-decoration:none;transition:all .15s;display:flex}.dash-lesson:hover{border-color:var(--blue);transform:translate(4px)}.dash-lesson.done{border-color:#3fb9504d}.dash-lesson-info{flex-direction:column;gap:2px;display:flex}.dash-lesson-title{font-size:14px;font-weight:500}.dash-lesson-concept{color:var(--purple);font-size:12px;font-family:var(--font-mono)}.dash-lesson-score{font-family:var(--font-mono);align-items:center;gap:10px;font-size:13px;display:flex}.score-wpm{color:var(--green);font-weight:600}.score-acc{color:var(--text-muted)}.dash-lesson-start{color:var(--text-muted);font-size:13px}.dash-loading{color:var(--text-muted);text-align:center;padding:40px}.lb-page{background:var(--bg);flex-direction:column;min-height:100vh;display:flex}.lb-nav{border-bottom:1px solid var(--border);background:var(--surface);justify-content:space-between;align-items:center;padding:16px 40px;display:flex}.lb-logo{font-size:22px;font-weight:700;font-family:var(--font-mono);text-decoration:none}.lb-nav-right{align-items:center;gap:10px;display:flex}.lb-nav-link{color:var(--text-muted);border:1px solid #0000;border-radius:6px;padding:7px 16px;font-size:14px;font-weight:500;text-decoration:none;transition:all .15s}.lb-nav-link:hover{color:var(--text);border-color:var(--border)}.lb-nav-link-primary{background:var(--blue);color:#0d1117;border-color:var(--blue)}.lb-nav-link-primary:hover{opacity:.85;color:#0d1117}.lb-main{width:100%;max-width:800px;margin:0 auto;padding:48px 24px}.lb-header{margin-bottom:32px}.lb-title{color:var(--text);margin:0 0 6px;font-size:28px;font-weight:700}.lb-sub{color:var(--text-muted);margin:0;font-size:14px}.lb-filters{flex-wrap:wrap;gap:8px;margin-bottom:24px;display:flex}.lb-filter{border:1px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;border-radius:6px;padding:7px 16px;font-size:13px;font-weight:500;transition:all .15s}.lb-filter:hover{border-color:var(--blue);color:var(--text)}.lb-filter.active{background:var(--blue);border-color:var(--blue);color:#0d1117;font-weight:600}.lb-table{border-collapse:collapse;width:100%;font-size:14px}.lb-table thead th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);padding:10px 14px;font-size:11px;font-weight:600}.lb-table tbody tr{border-bottom:1px solid var(--border);transition:background .1s}.lb-table-live tbody tr:hover{background:var(--surface)}.lb-table td{color:var(--text);padding:12px 14px}.lb-rank{font-family:var(--font-mono);color:var(--text-muted);width:48px;font-size:13px}.lb-player{align-items:center;gap:10px;display:flex}.lb-avatar{object-fit:cover;border:1px solid var(--border);background:var(--surface2);border-radius:6px;width:28px;height:28px}.lb-username{color:var(--text);font-weight:500}.lb-pro-badge{background:var(--purple);color:#0d1117;letter-spacing:.5px;border-radius:4px;padding:2px 6px;font-size:10px;font-weight:700}.lb-me-badge{background:var(--blue);color:#0d1117;border-radius:4px;padding:2px 6px;font-size:10px;font-weight:600}.lb-wpm{font-family:var(--font-mono);color:var(--blue);font-weight:700}.lb-acc{font-family:var(--font-mono);color:var(--green)}.lb-lessons{font-family:var(--font-mono);color:var(--text-muted)}.lb-row-me{background:#58a6ff12!important}.lb-row-me .lb-username{color:var(--blue)}.lb-loading,.lb-empty{color:var(--text-muted);text-align:center;padding:48px 0;font-size:14px}.lb-gate{position:relative}.lb-gate-blur{filter:blur(4px);pointer-events:none;-webkit-user-select:none;user-select:none;opacity:.4}.lb-gate-card{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:16px;flex-direction:column;align-items:center;gap:12px;min-width:320px;padding:40px 48px;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 24px 48px #0009}.lb-gate-icon{font-size:48px}.lb-gate-title{color:var(--text);margin:0;font-size:22px;font-weight:700}.lb-gate-desc{color:var(--text-muted);max-width:300px;margin:0;font-size:14px;line-height:1.6}.lb-gate-price{font-family:var(--font-mono);color:var(--purple);margin:4px 0;font-size:36px;font-weight:700}.lb-gate-price span{color:var(--text-muted);font-size:16px;font-weight:400}.lb-gate-btn{background:var(--purple);color:#0d1117;border-radius:8px;padding:12px 36px;font-size:15px;font-weight:700;text-decoration:none;transition:opacity .15s}.lb-gate-btn:hover{opacity:.85}.lb-gate-hint{color:var(--text-muted);margin:0;font-size:12px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#000;--surface:#0f0f0f;--surface2:#1a1a1a;--border:#262626;--text:#e6edf3;--text-muted:#7d8590;--green:#3fb950;--red:#f85149;--blue:#58a6ff;--yellow:#d29922;--purple:#bc8cff;--cyan:#39d353;--font-mono:"JetBrains Mono", "Fira Code", "Cascadia Code", ui-monospace, monospace;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;min-height:100vh}#root{flex-direction:column;min-height:100vh;display:flex}button{cursor:pointer;font-family:var(--font-sans)}a{color:var(--blue);text-decoration:none}