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.subtitle{color:var(--text-muted,#64748b);margin:0;font-size:.88rem;line-height:1.4}.tutor-status-badge{background:var(--accent-light,#eff6ff);color:var(--accent,#3b82f6);letter-spacing:.03em;text-transform:uppercase;border:1px solid #3b82f640;border-radius:99px;align-items:center;gap:6px;padding:4px 10px;font-size:.72rem;font-weight:750;display:inline-flex}.tutor-gate-container{justify-content:center;align-items:center;width:100%;min-height:480px;margin:auto 0;display:flex}.tutor-hero-card{background:var(--card-bg,#fff);border:1.5px solid var(--border-color,#e2e8f0);text-align:center;border-radius:20px;flex-direction:column;align-items:center;width:100%;max-width:520px;padding:2.75rem 2.5rem;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 30px -8px #0000000f}[data-scheme=dark] .tutor-hero-card{-webkit-backdrop-filter:blur(20px);background:#161616bf;border-color:#ffffff1f;box-shadow:0 16px 40px 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svg{color:#10b981}.tutor-features-list{text-align:left;flex-direction:column;gap:10px;width:100%;margin:0 0 1.75rem;display:flex}.tutor-feature-item{color:var(--text-main,#1e293b);background:#3b82f60d;border:1px solid #3b82f61f;border-radius:10px;align-items:center;gap:10px;padding:8px 12px;font-size:.88rem;display:flex}.tutor-feature-item svg{color:var(--accent,#3b82f6);flex-shrink:0}.tutor-chat-studio{flex-direction:column;flex:auto;height:100%;min-height:0;max-height:100%;display:flex;overflow:hidden;box-shadow:none!important;background:0 0!important;border:none!important;border-radius:0!important}[data-scheme=dark] .tutor-chat-studio{-webkit-backdrop-filter:none!important;box-shadow:none!important;background:0 0!important;border:none!important}.tutor-chat-header-bar{border-bottom:1px solid var(--border-color,#e2e8f099);flex-shrink:0;justify-content:space-between;align-items:center;padding:.35rem .5rem .65rem;display:flex;background:0 0!important}[data-scheme=dark] 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380px;background:#fff!important}.study-console-body-grid:not(.focus-mode){min-height:100vh}:root[data-scheme=dark] .study-console-body-grid{background:var(--bg-color)!important}.study-console-body-grid:not(.focus-mode) .study-console-center-column{min-height:100vh;padding-left:1rem!important}.main-grid-layout.main-grid-layout--console{padding:0!important}.study-console-left-rail{font-family:var(--font-ui);-webkit-backdrop-filter:blur(28px)saturate(190%);-webkit-user-select:none;user-select:none;z-index:100;background:#1212188c;border-right:1px solid #ffffff14;flex-direction:column;align-self:start;gap:1.25rem;height:calc(100vh - 48px);max-height:calc(100vh - 48px);padding:1.5rem 1.15rem;transition:background .25s,border-color .25s;display:flex;position:sticky;top:48px;overflow:hidden!important}[data-theme=light-glass] .study-console-left-rail{background:#ffffffa6;border-right-color:#e2e8f0cc}.rail-header-box{flex-direction:column;gap:.65rem;display:flex}.rail-heading{font-family:var(--font-ui);letter-spacing:.12em;text-transform:uppercase;color:#475569;margin:0;font-size:.72rem;font-weight:600}.rail-search-box{width:100%}.rail-search-input{font-family:var(--font-ui);letter-spacing:.02em;border:1px solid var(--border-color,#cbd5e1);background:var(--bg-glass-card,#fff);-webkit-backdrop-filter:blur(12px);width:100%;color:var(--text-main,#0f172a);box-sizing:border-box;border-radius:8px;outline:none;padding:8px 12px;font-size:.86rem;font-weight:500;transition:border-color .2s,box-shadow .2s}.rail-search-input::placeholder{color:#64748b;opacity:.9}.rail-search-input:focus{border-color:var(--accent,#2563eb);box-shadow:0 0 0 3px #2563eb29}.rail-module-list{flex-direction:column;gap:.85rem;padding-right:2px;display:flex;overflow-y:auto}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.rail-module-group{flex-direction:column;gap:2px;display:flex}.rail-module-header{font-family:var(--font-ui);cursor:pointer;color:#475569;text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;gap:8px;width:100%;margin-top:4px;padding:8px 6px 4px;transition:color .15s;display:flex}.rail-module-header:hover{color:var(--text-main,#0f172a)}.module-header-left{flex:1;align-items:center;gap:7px;min-width:0;display:flex}.module-num{letter-spacing:.06em;text-transform:uppercase;color:#475569;font-size:.8rem;font-weight:600;font-family:var(--font-code);flex-shrink:0}.rail-module-title-text{font-family:var(--font-ui);color:#334155;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.84rem;font-weight:500;line-height:1.3;display:-webkit-box;overflow:hidden}.rail-module-count{color:#64748b;font-size:.74rem;font-weight:500;font-family:var(--font-code);white-space:nowrap;flex-shrink:0}.rail-lesson-items{overflow-clip-margin:6px;flex-direction:column;gap:1px;padding-top:3px;display:flex;overflow:clip}.rail-module-chevron{opacity:.7;border-bottom:1.5px solid;border-right:1.5px solid;flex-shrink:0;width:7px;height:7px;margin:0 4px 3px 2px;transition:transform .25s cubic-bezier(.4,0,.2,1);transform:rotate(-45deg)}.rail-module-header[aria-expanded=true] .rail-module-chevron,.rail-group-toggle[aria-expanded=true] .rail-module-chevron{transform:rotate(45deg)}.rail-lesson-item{font-family:var(--font-ui);color:#475569;text-align:left;cursor:pointer;box-sizing:border-box;background:0 0;border:none;border-radius:8px;align-items:flex-start;gap:8px;width:100%;padding:6px 8px;font-size:.84rem;font-weight:500;transition:background-color .18s,color .18s;display:flex}.rail-lesson-status{box-sizing:border-box;color:#fff;border:1.5px solid #cbd5e1;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:16px;height:16px;margin-top:1px;display:inline-flex}.rail-lesson-item.done .rail-lesson-status{background:#059669;border-color:#059669}.rail-lesson-item.active .rail-lesson-status{border-color:var(--accent,#2563eb);color:var(--accent,#2563eb);background:0 0}.rail-lesson-item.active .rail-lesson-status svg{fill:currentColor;margin-left:1px}.lesson-num{font-family:var(--font-code);color:#94a3b8;flex-shrink:0;min-width:22px;font-size:.72rem;font-weight:500;line-height:1.55}.rail-lesson-meta{flex-direction:column;flex:1;gap:1px;min-width:0;display:flex}.rail-lesson-title{color:#334155;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.84rem;font-weight:500;line-height:1.35;display:-webkit-box;overflow:hidden}.rail-lesson-item:hover{background:#0f172a0d}.rail-lesson-item:hover .rail-lesson-title{color:var(--accent,#2563eb)}.rail-lesson-item.active{background:color-mix(in srgb, var(--accent,#2563eb) 11%, transparent)}.rail-lesson-item.active .rail-lesson-title,.rail-lesson-item.active .lesson-num{color:var(--accent,#2563eb);font-weight:600}.rail-lesson-item.done:not(.active) .lesson-num{color:#059669}.rail-now{flex-direction:column;gap:6px;display:flex}.rail-eyebrow{color:#64748b;margin:0;padding:0 2px;font-size:.74rem;font-weight:500}.rail-now-card{border:1px solid color-mix(in srgb, var(--accent,#2563eb) 45%, transparent);background:color-mix(in srgb, var(--accent,#2563eb) 4%, transparent);border-radius:12px;padding:10px 8px 8px}.rail-now-title{font-family:var(--font-ui);color:#0f172a;margin:0 0 8px;padding:0 4px;font-size:.95rem;font-weight:600;line-height:1.3}.rail-now-progress{align-items:center;gap:8px;padding:0 4px 6px;display:flex}.rail-now-track{background:#0f172a14;border-radius:999px;flex:1;height:4px;overflow:hidden}.rail-now-fill{border-radius:inherit;background:var(--accent,#2563eb);height:100%;transition:width .4s cubic-bezier(.22,1,.36,1);display:block}.rail-now-count{font-family:var(--font-code);color:#64748b;white-space:nowrap;font-size:.72rem}.rail-group{flex-direction:column;display:flex}.rail-group-toggle{font-family:var(--font-ui);cursor:pointer;color:#475569;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;width:100%;padding:8px 6px;transition:background-color .15s,color .15s;display:flex}.rail-group-toggle:hover{color:#0f172a;background:#0f172a0d}.rail-group-label{font-size:.84rem;font-weight:600}.rail-group-count{color:#94a3b8;flex:1;font-size:.74rem}.rail-group-body{overflow-clip-margin:6px;flex-direction:column;gap:2px;padding-left:4px;display:flex;overflow:clip}.rail-empty{color:#64748b;margin:0;padding:8px 6px;font-size:.84rem}[data-scheme=dark] .rail-heading,[data-scheme=dark] .module-num,[data-scheme=dark] .rail-module-count,[data-scheme=dark] .rail-eyebrow,[data-scheme=dark] .rail-now-count,[data-scheme=dark] .rail-empty{color:#a1a1aa}[data-scheme=dark] .rail-module-title-text,[data-scheme=dark] .rail-group-toggle{color:#d4d4d8}[data-scheme=dark] .rail-module-header:hover,[data-scheme=dark] .rail-group-toggle:hover,[data-scheme=dark] .rail-now-title{color:#f4f4f6}[data-scheme=dark] .rail-group-toggle:hover,[data-scheme=dark] .rail-lesson-item:hover{background:#ffffff12}[data-scheme=dark] .rail-group-count,[data-scheme=dark] .lesson-num{color:#71717a}[data-scheme=dark] .rail-lesson-item,[data-scheme=dark] .rail-lesson-title{color:#d4d4d8}[data-scheme=dark] .rail-lesson-status{border-color:#52525b}[data-scheme=dark] .rail-now-track{background:#ffffff1a}[data-scheme=dark] .rail-lesson-item.active{background:color-mix(in srgb, var(--accent,#3b82f6) 18%, transparent)}[data-scheme=dark] .rail-lesson-item.done .rail-lesson-status{background:#10b981;border-color:#10b981}[data-scheme=dark] .rail-lesson-item.done:not(.active) .lesson-num{color:#10b981}.study-console-center-column{box-sizing:border-box;z-index:1;flex-direction:column;align-items:center;min-height:calc(100vh - 48px);padding:2rem 2.5rem 6rem;transition:transform .35s cubic-bezier(.16,1,.3,1);display:flex;position:relative;background:0 0!important;height:auto!important;overflow:visible!important}.study-console-body-grid.ai-drawer-open .study-console-center-column{transform:translate(-140px)}.focus-mode .study-console-center-column{max-width:100%;height:auto!important;overflow:visible!important}.focus-mode .center-tab-bar{display:none!important}.center-tab-bar.console-tabs-bar{background:var(--bg-card-subtle,#f1f5f9);border:1px solid var(--border-color,#e2e8f0);width:fit-content;max-width:var(--reader-max-width,790px);border-radius:12px;gap:6px;margin-bottom:2rem;padding:4px;display:flex}.study-console-right-rail.console-rail-right{display:none!important}[data-scheme=dark] .center-tab-bar.console-tabs-bar{background:#1c1c21;border-color:#ffffff14}.center-tab-bar.console-tabs-bar .center-tab-btn{font-family:var(--font-ui);letter-spacing:.02em;color:var(--text-muted,#475569);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:.5rem 1.15rem;font-size:.82rem;font-weight:600;transition:all .2s cubic-bezier(.16,1,.3,1)}.center-tab-bar.console-tabs-bar .center-tab-btn:hover:not(.active){color:var(--text-main,#0f172a)}.center-tab-bar.console-tabs-bar .center-tab-btn.active{background:var(--bg-card,#fff);color:var(--accent,#2563eb);font-weight:600;box-shadow:0 2px 8px #0000000f}[data-scheme=dark] .center-tab-bar.console-tabs-bar .center-tab-btn.active{color:#fff;background:#27272a;box-shadow:0 2px 8px #00000040}.center-content-panel{width:100%;max-width:var(--reader-max-width,790px);transition:max-width .25s;height:auto!important;overflow:visible!important}.lesson-article-card{max-width:var(--reader-max-width,790px);width:100%;transition:max-width .25s}.lesson-article-text{font-family:var(--font-reader,"Geist", system-ui, sans-serif);font-size:var(--reader-font-size,1.125rem);line-height:1.72;transition:font-size .2s}.lesson-hero-card{font-family:var(--font-ui);background:radial-gradient(circle at 100% 0,#ffffff2e,#0000 42%),linear-gradient(135deg,#1e40af 0%,#2563eb 50%,#4f46e5 100%);border:1px solid #0000;border-radius:16px;flex-direction:column;align-items:flex-start;gap:10px;margin:0 0 2rem;padding:24px 28px 26px;display:flex;position:relative;overflow:hidden;box-shadow:0 14px 36px -14px #2563eb8c}[data-scheme=dark] .lesson-hero-card{background:radial-gradient(circle at 100% 0,#ffffff12,#0000 42%),linear-gradient(135deg,#0f1d4a 0%,#172f7a 55%,#2a2475 100%);box-shadow:0 14px 36px -14px #0009}:root .lesson-hero-kicker{color:#fff;letter-spacing:.04em;text-transform:uppercase;background:#ffffff2e;border-radius:6px;padding:4px 10px;font-size:.74rem;font-weight:600;display:inline-flex}:root .lesson-hero-title{color:#fff;font-family:var(--font-ui);letter-spacing:-.01em;margin:0;font-size:1.6rem;font-weight:600;line-height:1.25}:root .lesson-hero-card .lesson-hero-quiz-btn{color:#1e40af;background:#fff;border:none;margin-top:6px;box-shadow:0 6px 18px -6px #0f172a73}:root .lesson-hero-card .lesson-hero-quiz-btn:hover{color:#1e40af;background:#eff6ff}.lesson-end-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin-top:2.5rem;display:flex}.lesson-end-quiz-btn{background:var(--accent,#2563eb);color:#fff;font-family:var(--font-ui);cursor:pointer;border:1px solid #0000;border-radius:999px;padding:11px 22px;font-size:.95rem;font-weight:600;transition:background-color .2s,transform .2s,border-color .2s}.lesson-end-quiz-btn:hover{background:var(--accent-hover,#1d4ed8);transform:translateY(-1px)}.lesson-end-quiz-btn:focus-visible{outline:2px solid var(--accent,#2563eb);outline-offset:2px}.lesson-end-quiz-btn.is-passed{border-color:var(--border-color,#e2e8f0);color:var(--text-main,#0f172a);background:0 0}.lesson-end-quiz-btn.is-passed:hover{border-color:var(--accent,#2563eb);background:0 0}.lesson-complete-toggle{width:fit-content;font-family:var(--font-ui);color:#1d4ed8;cursor:pointer;-webkit-user-select:none;user-select:none;background:#2563eb14;border:1px solid #2563eb4d;border-radius:999px;align-items:center;gap:10px;margin:0;padding:11px 20px 11px 14px;font-size:.95rem;font-weight:600;transition:border-color .2s,background-color .2s,color .2s,transform .2s;display:flex}[data-scheme=dark] .lesson-complete-toggle{color:#93c5fd;background:#3b82f624;border-color:#60a5fa59}.lesson-complete-toggle:hover{border-color:var(--accent,#2563eb);background:#2563eb21;transform:translateY(-1px)}[data-scheme=dark] .lesson-complete-toggle:hover{background:#3b82f638}.lesson-complete-toggle input{opacity:0;width:1px;height:1px;position:absolute}.lesson-complete-toggle-box{border:1.5px solid;border-radius:5px;width:18px;height:18px;transition:background-color .2s,border-color .2s;position:relative}.lesson-complete-toggle-box:after{content:"";border:2px solid #fff;border-width:0 2px 2px 0;width:5px;height:10px;transition:transform .2s cubic-bezier(.34,1.56,.64,1);position:absolute;top:1px;left:5px;transform:rotate(45deg)scale(0)}:root .lesson-complete-toggle.is-complete{color:#047857;background:#10b9811f;border-color:#10b98173}:root[data-scheme=dark] .lesson-complete-toggle.is-complete{color:#6ee7b7;background:#10b98129}.lesson-complete-toggle.is-complete .lesson-complete-toggle-box{background:#10b981;border-color:#10b981}.lesson-complete-toggle.is-complete .lesson-complete-toggle-box:after{transform:rotate(45deg)scale(1)}.lesson-complete-toggle:has(input:focus-visible){outline:2px solid var(--accent,#2563eb);outline-offset:2px}.lesson-article-text .markdown-content{font-size:inherit}.center-bottom-bar{border-top:1px solid var(--border-color,#e2e8f0);width:100%;max-width:var(--reader-max-width,790px);justify-content:space-between;align-items:center;gap:1rem;margin-top:3rem;padding-top:2rem;display:flex}.study-console-frame .glass-card{-webkit-backdrop-filter:blur(80px)saturate(210%);background:#18182094;border:1px solid #ffffff1f;border-radius:12px;transition:all .25s cubic-bezier(.16,1,.3,1);box-shadow:0 20px 50px -10px #00000073,inset 0 0 0 1px #ffffff14}[data-theme=light-glass] .study-console-frame .glass-card,:root:not([data-scheme=dark]) .study-console-frame .glass-card{-webkit-backdrop-filter:blur(80px)saturate(210%);background:#ffffff9e;border:1px solid #ffffffe6;box-shadow:0 16px 48px -4px #0f172a14,inset 0 0 0 1px #ffffffe6}.study-console-frame .glass-card:hover{border-color:#3b82f673;box-shadow:0 16px 48px -6px #3b82f633,inset 0 0 0 1px #3b82f673}.console-stat-row{flex-direction:column;gap:12px;display:flex}@media (width<=1200px){.console-stat-row{grid-template-columns:repeat(4,1fr);display:grid}}@media (width<=720px){.console-stat-row{grid-template-columns:1fr 1fr}}.console-stat{background:var(--bg-card,var(--card-bg,#fff));border:1px solid var(--border-color,#e2e8f0);box-shadow:var(--shadow-sm,0 2px 8px #0000000a);font-family:var(--font-ui);border-radius:14px;flex-direction:column;gap:6px;padding:16px 18px;transition:border-color .2s,transform .2s,box-shadow .2s;display:flex}.console-stat:hover{border-color:var(--accent,#3b82f6);transform:translateY(-1px);box-shadow:0 4px 14px #3b82f61f}.console-stat b{color:var(--text-main,#0f172a);font-size:1.45rem;font-weight:600;font-family:var(--font-ui);letter-spacing:-.01em;display:block}.console-stat span{color:var(--text-muted,#64748b);letter-spacing:.02em;font-size:1rem;font-weight:600;font-family:var(--font-ui)}[data-scheme=dark] .console-stat b{color:#f8fafc}[data-theme=light-glass] .console-stat b,:root:not([data-scheme=dark]) .console-stat b{color:#0f172a}[data-scheme=dark] .console-stat span{color:#94a3b8}[data-theme=light-glass] .console-stat span,:root:not([data-scheme=dark]) .console-stat span{color:#475569}.console-modules-stage-section{flex-direction:column;gap:1.5rem;display:flex}.console-hero-card{color:#fff;font-family:var(--font-ui);background:radial-gradient(circle at 100% 0,#ffffff2e,#0000 42%),linear-gradient(135deg,#1e40af 0%,#2563eb 50%,#4f46e5 100%);border:1px solid #0000;border-radius:16px;flex-direction:column;gap:14px;padding:28px 32px;display:flex;position:relative;overflow:hidden;box-shadow:0 14px 36px -12px #2563eb8c}[data-scheme=dark] .console-hero-card{background:radial-gradient(circle at 100% 0,#ffffff12,#0000 42%),linear-gradient(135deg,#0f1d4a 0%,#172f7a 55%,#2a2475 100%);box-shadow:0 14px 36px -12px #0009}:root .console-hero-kicker{color:#fff;text-transform:uppercase;letter-spacing:.04em;background:#ffffff2e;border-radius:6px;width:fit-content;padding:4px 10px;font-size:.78rem;font-weight:600;display:inline-flex}:root .console-hero-title{color:#fff;margin:0;font-size:1.5rem;font-weight:600}:root .console-hero-desc{color:#ffffffd9;margin:0;font-size:1rem}.console-hero-progress{align-items:center;gap:12px;display:flex}.console-hero-progress-bar{background:#ffffff40;border-radius:99px;width:220px;height:6px;overflow:hidden}.console-hero-progress-bar>div{background:#fff;border-radius:99px;height:100%}:root .console-hero-progress-label{color:#fffc;font-size:.85rem;font-weight:600}.console-hero-cta{color:#1e40af;cursor:pointer;font-size:1rem;font-weight:600;font-family:var(--font-ui);background:#fff;border:none;border-radius:10px;align-self:flex-start;padding:12px 26px;transition:background .2s,transform .2s;box-shadow:0 6px 18px -6px #0f172a73}.console-hero-cta:hover{background:#eff6ff;transform:translateY(-1px)}.console-hero-cta.is-attention{isolation:isolate;animation:3s ease-out 1.2s infinite heroCtaPulse;position:relative;overflow:hidden}.console-hero-cta.is-attention:after{content:"";z-index:-1;background:linear-gradient(100deg,#0000,#2563eb29,#0000);width:40%;animation:3s ease-in-out 1.2s infinite heroCtaSheen;position:absolute;top:0;bottom:0;left:-60%;transform:skew(-18deg)}.console-hero-cta-arrow{margin-left:2px;display:inline-block}.console-hero-cta.is-attention .console-hero-cta-arrow{animation:3s ease-in-out 1.2s infinite heroCtaNudge}.console-hero-cta.is-attention:hover,.console-hero-cta.is-attention:focus-visible,.console-hero-cta.is-attention:hover:after,.console-hero-cta.is-attention:focus-visible:after,.console-hero-cta.is-attention:hover .console-hero-cta-arrow,.console-hero-cta.is-attention:focus-visible .console-hero-cta-arrow{animation-play-state:paused}@keyframes heroCtaPulse{0%{box-shadow:0 6px 18px -6px #0f172a73,0 0 #ffffff8c}45%,to{box-shadow:0 6px 18px -6px #0f172a73,0 0 0 12px #fff0}}@keyframes heroCtaSheen{0%{left:-60%}40%,to{left:130%}}@keyframes heroCtaNudge{0%,30%,to{transform:translate(0)}12%{transform:translate(4px)}20%{transform:translate(1px)}}@media (prefers-reduced-motion:reduce){.console-hero-cta.is-attention,.console-hero-cta.is-attention:after,.console-hero-cta.is-attention .console-hero-cta-arrow{animation:none}}.console-hero-card .console-stat-row{flex-flow:wrap;gap:10px;margin-top:6px}:root .console-hero-card .console-stat{box-shadow:none;background:#ffffff1f;border-color:#ffffff29;flex:140px;padding:10px 14px}:root .console-hero-card .console-stat:hover{box-shadow:none;border-color:#ffffff29}:root .console-hero-card .console-stat b{color:#fff}:root .console-hero-card .console-stat span{color:#dbeafe}.module-strip{border:1px solid var(--border-color,#e2e8f0);background:#eef2f7;border-radius:12px;gap:4px;padding:4px;display:flex;overflow-x:auto}[data-scheme=dark] .module-strip{background:#ffffff0d;border-color:#ffffff14}.strip-chip{color:#475569;font-family:var(--font-ui);cursor:pointer;background:0 0;border:none;border-radius:9px;flex-shrink:0;align-items:center;gap:8px;padding:9px 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cubic-bezier(.4,0,.2,1);display:flex}.sidebar-brand-lockup{flex:1;align-items:center;gap:0;min-width:0;display:flex}.sidebar-logo-img{object-fit:contain;flex:none;width:2rem;height:2rem}.sidebar-logo-text{letter-spacing:-.03em;background:linear-gradient(90deg,#005ab4,#9333ea);color:#0000;white-space:nowrap;vertical-align:middle;opacity:1;-webkit-background-clip:text;background-clip:text;max-width:195px;margin-left:.75rem;font-family:Plus Jakarta Sans,sans-serif;font-size:1.2rem;font-weight:850;transition:max-width .3s cubic-bezier(.4,0,.2,1),opacity .2s,margin-left .3s;display:inline-block;overflow:hidden}.collapse-toggle{background:var(--card-bg);border:1px solid var(--border-color);color:var(--text-muted);cursor:pointer;z-index:110;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:48px;transition:all .2s,transform .3s;display:flex;position:absolute;top:50%;right:-10px;transform:translateY(-50%);box-shadow:0 4px 12px #00000026}.collapse-toggle:hover{background:var(--nav-hover);color:var(--text-main);box-shadow:var(--shadow-md);transform:translateY(-50%)scale(1.05)}.collapse-toggle-icon{transition:transform .3s}.sidebar.collapsed .collapse-toggle-icon{transform:rotate(180deg)}.nav-menu{flex-direction:column;gap:.5rem;list-style:none;display:flex}.nav-item{color:var(--text-muted);cursor:pointer;width:100%;font-family:inherit;font-weight:500;font-size:inherit;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:0;padding:.875rem 1rem;text-decoration:none;transition:all .2s;display:flex}.nav-item span{white-space:nowrap;vertical-align:middle;opacity:1;max-width:150px;margin-left:1rem;transition:max-width .3s cubic-bezier(.4,0,.2,1),opacity .2s,margin-left .3s;display:inline-block;overflow:hidden}.nav-item:hover{background-color:var(--nav-hover);color:var(--text-main)}.nav-item.active{background-color:var(--accent);color:#fff}.nav-item svg{stroke:currentColor;flex-shrink:0;width:20px;height:20px}h1{letter-spacing:-.01em;margin-bottom:.5rem;font-size:1.75rem;font-weight:600}p.subtitle{color:var(--text-muted);margin-bottom:2rem;font-weight:400}.announcement{border-radius:var(--radius);box-shadow:var(--shadow-sm);background:linear-gradient(270deg,#60a5fa 0%,#2563eb 50%,#1e3a8a 100%);border:1px solid #2563eb99;align-items:flex-start;gap:1rem;margin-bottom:1rem;padding:1rem 1.5rem;display:flex;position:relative}.announcement-icon{color:#fff;background:#fff3;border-radius:50%;align-self:center;padding:8px;display:flex}.announcement-content h4{color:#fff;margin-bottom:.25rem;font-size:1.2rem;font-weight:600}.announcement-content p{color:#ffffffd9;font-size:1rem}.announcement .close-btn{color:#fff}.close-btn{cursor:pointer;color:var(--amber-dark);opacity:.5;transition:opacity .2s;position:absolute;top:1rem;right:1rem}.close-btn:hover{opacity:1}.student-welcome-card{border:1px solid var(--border-color);border-radius:var(--radius);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-sm);background:linear-gradient(135deg,#d6e9ff66 0%,#ffe6d64d 100%),#fff9;justify-content:space-between;align-items:center;gap:24px;min-height:280px;margin-bottom:1rem;padding:44px 48px;display:flex;position:relative;overflow:hidden}[data-scheme=dark] .student-welcome-card{background:var(--card-bg);border-color:var(--border-color);color:var(--text-main)}.student-welcome-img{object-fit:cover;object-position:center top;border-top-left-radius:var(--radius);border-bottom-left-radius:var(--radius);flex-shrink:0;width:250px;height:100%;transition:transform .25s cubic-bezier(.4,0,.2,1);position:absolute;top:0;bottom:0;left:0}.student-welcome-img:hover{transform:scale(1.03)}.student-welcome-card:before{content:"";z-index:-1;filter:blur(30px);background:radial-gradient(circle,#005ab426 0%,#0000 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.stat-value{color:#fff}.student-welcome-name{background:linear-gradient(90deg,#005ab4,#7c3aed);color:#0000;-webkit-background-clip:text;background-clip:text}.student-welcome-name-line{display:inline}.student-welcome-quote-row{align-items:center;gap:12px;margin-top:4px;display:flex}.student-welcome-quote{color:var(--text-muted);flex:1;align-items:center;max-width:580px;min-height:2.85rem;margin:0;font-size:.95rem;font-style:italic;font-weight:450;line-height:1.5;display:flex}.student-welcome-stats{border-radius:var(--radius);background-color:#ffffff8c;border:1px solid #ffffff80;flex-shrink:0;align-items:center;gap:20px;padding:16px 24px;display:flex;box-shadow:0 4px 20px #0f172a05}[data-scheme=dark] .student-welcome-stats{background-color:#1e1e1e99;border-color:#ffffff1a}.stat-item{flex-direction:column;gap:2px;display:flex}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.72rem;font-weight:600}.stat-value{color:var(--text-main);font-size:.875rem;font-weight:600}.welcome-progress-ring{flex-shrink:0;width:72px;height:72px;position:relative}.welcome-progress-ring .progress-ring-text{font-size:1.05rem}.student-welcome-stats .stat-item{align-items:flex-start}.refresh-quote-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:50%;flex:0 0 40px;justify-content:center;align-self:center;align-items:center;width:40px;height:40px;transition:all .25s cubic-bezier(.4,0,.2,1);display:inline-flex}.refresh-quote-btn:hover:not(:disabled){color:#005ab4;background-color:#005ab414;transform:rotate(45deg)}.refresh-quote-btn:disabled{opacity:.5;cursor:not-allowed}@keyframes quoteSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinning{animation:1s linear infinite quoteSpin}.course-hero-redesign{text-align:left;cursor:default;align-items:stretch;width:100%;margin-bottom:1rem;padding:1.75rem}[data-scheme=dark] .course-hero-redesign,[data-theme=obsidian] .course-hero-redesign{color:var(--text-main)}.hero-left-meta{text-align:left;flex-direction:column;align-items:flex-start;display:flex}.hero-left-meta .course-badge{color:var(--accent,#3b82f6);background:#2563eb1a;border-radius:20px;margin-bottom:.75rem;padding:.3rem .75rem;font-size:.75rem;font-weight:700;display:inline-block}.hero-left-meta .course-hero-title{color:var(--text-main,#0f172a);letter-spacing:-.01em;margin-bottom:.5rem;font-size:1.6rem;font-weight:800;line-height:1.25}.hero-left-meta .course-hero-desc{color:var(--text-muted,#64748b);margin-bottom:1.35rem;font-size:.92rem;line-height:1.45}.hero-actions{flex-wrap:wrap;justify-content:flex-start;align-items:center;gap:.85rem;display:flex}.hero-actions .btn-secondary{color:var(--text-main);border:1px solid var(--border-color);cursor:pointer;background:0 0;border-radius:12px;padding:.75rem 1.25rem;font-size:.9rem;font-weight:600;transition:all .2s}.hero-actions .btn-secondary:hover{background:var(--card-bg);border-color:var(--border-color)}.course-hero-left{background:linear-gradient(135deg,#cbd5e1 0%,#94a3b8 100%);position:relative;overflow:hidden;border:0!important}[data-scheme=dark] .course-hero-left,[data-theme=obsidian] .course-hero-left{background:linear-gradient(135deg,#0f172a 0%,#020617 100%)}.course-hero-left:before{content:"";pointer-events:none;background:linear-gradient(120deg,#ffffff52 0%,#ffffff0f 35%,#fff0 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.hero-face-rank.settings-card{--settings-row:#ffffff12;--settings-row-hover:#ffffff1f;--settings-divider:#ffffff24;--settings-chevron:#fff9}.progress-ring-svg{width:100%;height:100%;transform:rotate(-90deg)}.progress-ring-bg{stroke:var(--border-color);stroke-width:8px}[data-scheme=dark] .progress-ring-bg{stroke:var(--border-color)}.progress-ring-fill{stroke:var(--accent);stroke-width:8px;stroke-linecap:round;transition:stroke-dashoffset .5s}.progress-ring-text{color:var(--text-main,#0f172a);font-size:1.75rem;font-weight:800;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.hero-card{background:linear-gradient(135deg, #f59e0b0f 0%, #fbbf2405 100%), var(--card-bg);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:20px;flex-direction:row;justify-content:space-between;align-items:center;margin-bottom:2rem;padding:2.5rem;display:flex;position:relative;overflow:hidden}.hero-content h2{text-transform:uppercase;letter-spacing:.05em;color:var(--accent);margin-bottom:.5rem;font-size:.85rem;font-weight:600}.hero-content h3{letter-spacing:-.01em;margin-bottom:.5rem;font-size:1.5rem;font-weight:600}.hero-content p{color:var(--text-muted);margin-bottom:1.5rem;font-size:.95rem}.btn-primary{background-color:var(--text-main);color:var(--bg-color);cursor:pointer;border:none;border-radius:50px;padding:.75rem 1.5rem;font-family:Outfit,sans-serif;font-size:.95rem;font-weight:500;transition:transform .2s,box-shadow .2s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 15px #fff3}.progress-circle{background:conic-gradient(var(--accent) var(--progress,64%), var(--accent-light) 0);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:100px;height:100px;display:flex;position:relative}.progress-circle:after{content:"";background-color:var(--card-bg);border-radius:50%;width:86px;height:86px;position:absolute}.progress-value{z-index:1;color:var(--text-main);font-size:1.25rem;font-weight:600;position:relative}.section-title{letter-spacing:-.01em;justify-content:space-between;align-items:center;margin-bottom:1rem;font-size:1.1rem;font-weight:600;display:flex}.section-title a{color:var(--accent);cursor:pointer;font-size:.85rem;font-weight:500;text-decoration:none}.card{background:var(--card-bg);-webkit-backdrop-filter:blur(12px);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);margin-bottom:2rem;padding:1.5rem}.challenge-badge{background:var(--accent);color:#fff;text-transform:uppercase;letter-spacing:.5px;border-radius:20px;padding:4px 10px;font-size:.7rem;font-weight:600;position:absolute;top:-10px;right:20px}.challenge-question{margin-bottom:1rem;font-size:1.1rem;font-weight:500}.explore-courses-section{flex-direction:column;gap:18px;margin-bottom:2rem;display:flex}.explore-header{justify-content:space-between;align-items:center;gap:1rem;display:flex}.section-eyebrow{letter-spacing:.08em;color:var(--text-muted);text-transform:uppercase;font-size:.72rem;font-weight:600}.browse-catalog-link{color:var(--accent);cursor:pointer;font-size:.85rem;font-weight:600}.courses-grid{grid-template-columns:repeat(4,1fr);gap:20px;display:grid}.glass-course-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius);-webkit-backdrop-filter:blur(12px);box-shadow:var(--shadow-sm);flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;overflow:hidden}.glass-course-card:hover{border-color:#3b82f659;transform:translateY(-4px)}.course-card-image{background:#f1f5f99e;justify-content:center;align-items:center;height:120px;display:flex;position:relative;overflow:hidden}[data-scheme=dark] .course-card-image{background:#ffffff0d}.course-icon-illustration{color:#fff;border-radius:12px;justify-content:center;align-items:center;width:60px;height:60px;display:flex}.course-icon-illustration svg{width:28px;height:28px}.course-icon-illustration.java{background:linear-gradient(135deg,#ea580c,#f97316)}.course-icon-illustration.data{background:linear-gradient(135deg,#0284c7,#0ea5e9)}.course-icon-illustration.web{background:linear-gradient(135deg,#0d9488,#14b8a6)}.course-icon-illustration.ai{background:linear-gradient(135deg,#7c3aed,#8b5cf6)}.course-card-tag{color:#fff;border-radius:6px;padding:4px 8px;font-size:.65rem;font-weight:600;line-height:1;position:absolute;top:12px;right:12px}.badge-popular{background-color:#f97316}.badge-new{background-color:#0ea5e9}.badge-flagship{background-color:#7c3aed}.course-card-content{flex-direction:column;flex-grow:1;gap:6px;padding:16px;display:flex}.course-card-title{color:var(--text-main);font-size:.95rem;font-weight:600;line-height:1.3}.course-card-meta{color:var(--text-muted);margin-bottom:10px;font-size:.78rem}.course-card-actions{justify-content:space-between;align-items:center;gap:12px;margin-top:auto;display:flex}.view-details-link{color:var(--text-muted);cursor:pointer;font-size:.78rem;font-weight:600}.view-details-link:hover{color:var(--accent)}.btn-secondary-enroll{border:1px solid var(--border-color);background:var(--card-bg);color:var(--text-main);cursor:pointer;border-radius:6px;padding:6px 12px;font-family:inherit;font-size:.75rem;font-weight:500}.btn-secondary-enroll:hover{background:var(--accent-light);color:var(--accent);border-color:#3b82f640}.donut-container{justify-content:center;align-items:center;width:100%;height:220px;display:flex;position:relative}.module-progress-donut{width:188px;max-width:100%;height:188px;transform:rotate(-90deg)}.module-progress-track,.module-progress-segment{fill:none;stroke-width:22px;stroke-linecap:butt}.module-progress-track{stroke:#e2e8f0}.module-progress-segment.finished{stroke:#10b981}.module-progress-segment.active{stroke:#f59e0b}.module-progress-segment.left{stroke:#e2e8f0}.module-progress-card{flex-direction:column;gap:1.25rem;display:flex}.module-progress-card .donut-container{height:auto}.module-progress-legend{color:var(--text-muted);flex-direction:column;gap:.5rem;margin:0;padding:0;font-size:.8rem;list-style:none;display:flex}.module-progress-legend li{background:#0f172a09;border-radius:8px;align-items:center;gap:.6rem;padding:.5rem .7rem;display:flex}[data-scheme=dark] .module-progress-legend li{background:#ffffff0d}.module-progress-legend .legend-name{flex:1}.module-progress-legend .legend-count{color:var(--text-main);font-variant-numeric:tabular-nums;font-weight:700}.legend-dot{border-radius:50%;flex-shrink:0;width:9px;height:9px;display:inline-block}.legend-dot.finished{background:#10b981}.legend-dot.active{background:#f59e0b}.legend-dot.left{background:#e2e8f0;box-shadow:inset 0 0 0 1px #64748b59}.donut-center-text{text-align:center;z-index:1;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute}.donut-num{color:var(--text-main);font-size:2.25rem;font-weight:700;line-height:1}.donut-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:4px;font-size:.75rem;font-weight:600}.glass-grid{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:2rem;display:grid}.glass-card{background:var(--card-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius);box-shadow:var(--shadow-sm);cursor:pointer;text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:.75rem;min-height:112px;padding:1.2rem;transition:all .3s;display:flex}:root .flashcards-card,:root .cert-card{background:linear-gradient(160deg, var(--qa-tint) 0%, transparent 70%), var(--frosted-card-bg);font:inherit;color:var(--qa-label);text-align:center;cursor:pointer;border:1px solid #0000;flex-direction:column;justify-content:center;align-items:center;gap:.6rem;min-height:106px;padding:1.1rem .75rem;transition:transform .25s cubic-bezier(.2,.8,.2,1);display:flex}:root .flashcards-card .glass-icon,:root .cert-card .glass-icon{background-color:var(--qa-icon-bg);width:40px;height:40px;color:var(--qa-icon-fg);box-shadow:inset 0 0 0 1px var(--qa-icon-ring);border-radius:12px;transition:background-color .25s,color .25s,transform .25s}:root .flashcards-card .glass-icon svg,:root .cert-card .glass-icon svg{width:20px;height:20px}:root .flashcards-card h4,:root .cert-card h4{letter-spacing:.01em;color:var(--qa-label);margin:0;font-family:Outfit,sans-serif;font-size:.875rem;font-weight:600;line-height:1.2}:root .flashcards-card:hover,:root .cert-card:hover{transform:translateY(-2px)}:root .flashcards-card:hover .glass-icon,:root .cert-card:hover .glass-icon{background-color:var(--qa-icon-bg-hover);transform:scale(1.06)}:root .flashcards-card:focus-visible,:root .cert-card:focus-visible{outline:2px solid var(--qa-border-hover);outline-offset:2px}:root .flashcards-card:active,:root .cert-card:active{transform:translateY(0)}:root .flashcards-card{--qa-tint:#3b82f612;--qa-border-hover:#3b82f673;--qa-icon-bg:#3b82f621;--qa-icon-bg-hover:#3b82f638;--qa-icon-ring:#3b82f638;--qa-icon-fg:#1d4ed8;--qa-label:#1e3a8a}:root 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#3b82f633}.skill-chip.locked{color:var(--text-muted);opacity:.5;background:#00000005}[data-scheme=dark] .skill-chip.locked{background:#ffffff05}.skills-unlocked-toast{color:#10b981;margin:0 0 .5rem;font-size:.85rem;font-weight:600}.daily-challenges-byok-gate{background:linear-gradient(135deg,#1d4ed829 0%,#2563eb14 100%);border:1px solid #1d4ed84d;border-radius:14px;justify-content:center;gap:.75rem;min-height:180px;padding:1rem}.daily-challenges-byok-gate h4{color:var(--text-main);margin:0}.daily-challenges-byok-gate p{color:var(--text-muted);margin:0;font-size:.82rem;line-height:1.45}.daily-challenges-byok-gate .daily-check-dash-badge{color:#1d4ed8;background:#1d4ed824}.daily-challenges-byok-gate .btn-daily-check-dash{background-color:#1d4ed8;margin-top:.25rem;box-shadow:0 6px 16px #1d4ed838}[data-scheme=dark] .daily-challenges-byok-gate{background:linear-gradient(135deg,#2563eb42 0%,#1e40af29 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#eab3084d}.certificate-details{flex-direction:column;flex:1;gap:.5rem;display:flex}.cert-kicker{color:#c084fc;letter-spacing:1px;font-size:.65rem;font-weight:700}.cert-title{color:var(--text-main);margin:0;font-size:1.15rem;font-weight:700;line-height:1.3}.cert-meta-row{gap:1.5rem;margin:4px 0 8px;display:flex}.meta-item{flex-direction:column;gap:2px;display:flex}.meta-label{color:var(--text-muted);font-size:.68rem}.meta-val{color:var(--text-main);font-size:.8rem;font-weight:600}.cert-actions{flex-wrap:wrap;gap:.75rem;display:flex}@media (width<=540px){.certificate-card{flex-direction:column;padding:1.1rem}.certificate-badge-container{align-items:center}.cert-meta-row{flex-direction:column;gap:.55rem}.cert-actions{grid-template-columns:1fr;display:grid}.cert-actions .btn-primary,.cert-actions .btn-secondary{justify-content:center;width:100%}}.btn-cert-download{background:var(--accent,#3b82f6);color:#fff;cursor:pointer;border:none;border-radius:10px;align-items:center;gap:8px;padding:.65rem 1.25rem;font-size:.88rem;font-weight:700;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex;box-shadow:0 4px 14px #3b82f640}.btn-cert-download:hover:not(:disabled){background:#2563eb;transform:translateY(-1px);box-shadow:0 6px 18px #3b82f659}.btn-cert-verify{background:var(--card-bg,#fff);border:1.5px solid var(--border-color,#cbd5e1);color:var(--text-main,#0f172a);cursor:pointer;box-shadow:var(--shadow-sm,0 2px 6px #0000000a);border-radius:10px;align-items:center;gap:8px;padding:.65rem 1.25rem;font-size:.88rem;font-weight:700;transition:all .22s cubic-bezier(.4,0,.2,1);display:inline-flex}.btn-cert-verify svg{color:var(--accent,#3b82f6);transition:transform .2s,color 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.sidebar-scrim{display:none}}:root .right-sidebar .aside-card{background:linear-gradient(135deg, #3b82f612, #3b82f604), var(--frosted-card-bg);box-shadow:var(--shadow-sm);border:1px solid #0000;margin-bottom:1.5rem;padding:1.25rem;transition:transform .3s,box-shadow .3s}:root .right-sidebar .aside-card:last-child{margin-bottom:0}:root[data-scheme=dark] .right-sidebar .aside-card{background:linear-gradient(135deg, #3b82f61f, #ffffff08), var(--frosted-card-bg)}.right-sidebar .aside-card:not(.module-progress-card):hover{transform:translateY(-2px);box-shadow:0 12px 28px #3b82f614}[data-scheme=dark] .right-sidebar .aside-card:not(.module-progress-card):hover{border-color:#3b82f666;box-shadow:0 12px 32px #00000040}.daily-quiz-view{padding:2.5rem 2rem}@media (width<=480px){.daily-quiz-view{padding:1.5rem 1rem}}.daily-quiz-view h1{background:linear-gradient(135deg, var(--text-main) 30%, #3b82f6 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin:0 0 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.lesson-quiz-option.selected{border-color:var(--accent);background:#3b82f61a;box-shadow:0 4px 16px #0003}.daily-check-console-content .lesson-quiz-option input[type=radio]{opacity:0;width:0;height:0;margin:0;position:absolute}.daily-check-console-content .lesson-quiz-option-copy{color:var(--text-main);font-size:.95rem;font-weight:500}.daily-check-console-content .daily-quiz-nav{border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-top:1.5rem;padding-top:1.25rem;display:flex}.daily-check-console-content .daily-quiz-nav .btn-primary{background:var(--text-main);color:var(--card-bg);cursor:pointer;border:none;border-radius:99px;justify-content:center;align-items:center;padding:10px 24px;font-weight:600;transition:all .2s;display:inline-flex}.daily-check-console-content .daily-quiz-nav .btn-primary:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-1px)}.daily-check-console-content .daily-quiz-nav .btn-primary:disabled{background:var(--border-color);color:var(--text-muted);opacity:1;cursor:not-allowed;transform:none}.daily-check-console-content .daily-quiz-nav .btn-secondary{color:var(--text-main);border:1px solid var(--border-color);cursor:pointer;background:0 0;border-radius:99px;justify-content:center;align-items:center;padding:10px 24px;font-weight:600;transition:all .2s;display:inline-flex}.daily-check-console-content .daily-quiz-nav .btn-secondary:hover:not(:disabled){background:var(--glass-hover);transform:translateY(-1px)}@keyframes zoomIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.quiz-results-score{color:var(--text-main);font-size:1.15rem;font-weight:700;margin:0!important}.daily-quiz-view{flex-direction:column;height:100%;max-height:min(88vh,860px);display:flex;overflow:hidden}.daily-quiz-view .daily-check-console-content,.daily-quiz-view .lesson-quiz-form{flex-direction:column;height:100%;display:flex;overflow:hidden}.daily-quiz-view .lesson-quiz-question{flex:auto;margin-bottom:1rem;padding-right:4px;overflow-y:auto}.daily-quiz-modal-card{background:var(--quiz-surface);transform-origin:top;flex-direction:column;max-height:min(88vh,860px);animation:.46s cubic-bezier(.22,1,.36,1) backwards dialogFlipEnter;display:flex;overflow:hidden}.modal-overlay.is-exiting .daily-quiz-modal-card{animation:.26s cubic-bezier(.4,0,1,1) both dialogFlipExit}.daily-quiz-modal-header{border-bottom:1px solid var(--border-color);background:var(--quiz-surface-container);z-index:10;flex-shrink:0;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex;position:sticky;top:0}.daily-quiz-modal-title-row{align-items:center;gap:12px;display:flex}.daily-quiz-modal-title-row h2{color:var(--text-main);margin:0;font-size:1.35rem;font-weight:800}.daily-quiz-modal-title-row .challenge-badge{color:var(--accent);text-transform:uppercase;letter-spacing:.5px;background:linear-gradient(135deg,#3b82f614 0%,#a855f714 100%);border:1px solid #3b82f626;border-radius:99px;padding:4px 10px;font-size:.72rem;font-weight:700;display:inline-flex;position:static}[data-scheme=dark] .daily-quiz-modal-title-row .challenge-badge{background:linear-gradient(135deg,#3b82f626 0%,#a855f726 100%);border-color:#ffffff14}.daily-quiz-modal-card .modal-close-btn-inline,.ai-key-setup-modal-card .modal-close-btn-inline{border:1px solid var(--border-color);background:var(--card-bg);width:2rem;height:2rem;color:var(--text-main);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;margin:0;font-size:1.1rem;transition:all .2s;display:inline-flex;position:static}.daily-quiz-modal-card .modal-close-btn-inline:hover,.ai-key-setup-modal-card .modal-close-btn-inline:hover{background:var(--glass-hover);border-color:var(--border-color);color:var(--text-main);transform:scale(1.05)}.daily-quiz-modal-body{flex:auto;padding:1.5rem;overflow-y:auto}.daily-quiz-modal-content{flex-direction:column;height:100%;display:flex}.daily-quiz-modal-card{transition:width .38s cubic-bezier(.4,0,.2,1),height .38s cubic-bezier(.4,0,.2,1)}.daily-quiz-modal-card:has(.daily-quiz-panel-split){width:min(864px,100%);height:542px}.daily-quiz-modal-card:has(.daily-quiz-panel-split) .daily-quiz-modal-body{padding:0;overflow:hidden}.daily-quiz-modal-card:has(.daily-quiz-panel-swap){width:min(1040px,95vw);height:min(680px,90vh)}.daily-quiz-modal-card:has(.daily-quiz-panel-swap) .daily-quiz-modal-body{padding:0;overflow:hidden}:is(.daily-quiz-modal-card:has(.daily-quiz-panel-split) .daily-quiz-modal-header,.daily-quiz-modal-card:has(.daily-quiz-panel-swap) .daily-quiz-modal-header){display:none}.daily-quiz-panel-close{z-index:4;border:1px solid var(--border-color);background:var(--card-bg);width:2rem;height:2rem;color:var(--text-muted);cursor:pointer;border-radius:50%;place-items:center;font-size:1.2rem;line-height:1;transition:background-color .2s,color .2s,transform .2s;display:grid;position:absolute;top:.85rem;right:.9rem}.daily-quiz-panel-close:hover{background:var(--glass-hover);color:var(--text-main);transform:scale(1.05)}.daily-quiz-panel-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.daily-quiz-panel-split .daily-quiz-panel-close,.daily-quiz-panel-swap .daily-quiz-panel-close,.daily-quiz-split .daily-quiz-panel-close,.quiz-results .daily-quiz-panel-close{border-radius:0 calc(var(--radius) + 4px) 0 12px;border-color:var(--danger);background:var(--danger);color:#fff;width:2.25rem;height:2.25rem;top:0;right:0}.daily-quiz-panel-split .daily-quiz-panel-close:hover,.daily-quiz-panel-swap .daily-quiz-panel-close:hover,.daily-quiz-split .daily-quiz-panel-close:hover,.quiz-results .daily-quiz-panel-close:hover{background:color-mix(in srgb, var(--danger) 85%, #000);border-color:color-mix(in srgb, var(--danger) 85%, #000);color:#fff;transform:none}.daily-quiz-panel-split .daily-quiz-panel-close:focus-visible,.daily-quiz-panel-swap .daily-quiz-panel-close:focus-visible,.daily-quiz-split .daily-quiz-panel-close:focus-visible,.quiz-results .daily-quiz-panel-close:focus-visible{outline-offset:-2px}:is(.daily-quiz-modal-card:has(.daily-quiz-panel-split),.daily-quiz-modal-card:has(.daily-quiz-panel-swap),.daily-quiz-modal-card:has(.quiz-results)){border-width:0}.daily-quiz-modal-card:has(.quiz-results){width:min(1032px,95vw);height:auto;min-height:calc(min(1032px,95vw)/1.77778);max-height:90vh;transition:height .4s cubic-bezier(.2,.8,.2,1)}@supports (interpolate-size:allow-keywords){.daily-quiz-modal-card:has(.quiz-results){interpolate-size:allow-keywords}}.daily-quiz-modal-card:has(.quiz-results) .daily-quiz-modal-header{display:none}.daily-quiz-modal-card:has(.quiz-results) .daily-quiz-modal-body{flex-direction:column;padding:0;display:flex;overflow:hidden}.daily-quiz-modal-card:has(.quiz-results) .daily-quiz-modal-content{flex:1;min-height:0}.daily-quiz-modal-card:has(.daily-quiz-split){width:min(1032px,95vw);height:min(595px,90vh)}.daily-quiz-modal-card:has(.daily-quiz-split){border-width:0}.daily-quiz-modal-card:has(.daily-quiz-split) .daily-quiz-modal-body{padding:0;overflow:hidden}.daily-quiz-modal-card:has(.daily-quiz-split) .daily-quiz-modal-header{display:none}.daily-quiz-split{flex:1;grid-template-columns:220px minmax(0,1fr);height:100%;min-height:0;animation:.34s cubic-bezier(.2,.8,.2,1) .38s both dailyQuizPanelIn;display:grid;position:relative}@media (prefers-reduced-motion:reduce){.daily-quiz-split{animation:none}}.daily-quiz-rail{border-right:1px solid var(--border-color);background:var(--quiz-surface-container);flex-direction:column;gap:1.15rem;min-width:0;padding:1.6rem 1.35rem;display:flex}.daily-quiz-rail-eyebrow{font-size:var(--student-type-body-sm);letter-spacing:.07em;text-transform:uppercase;color:var(--quiz-on-surface-variant);font-weight:800;display:block}.daily-quiz-rail-count{color:var(--quiz-on-surface);font-feature-settings:"tnum";margin-top:.35rem;font-size:1.5rem;font-weight:800;line-height:1}.daily-quiz-rail-count span{font-size:var(--student-type-body-lg);color:var(--quiz-on-surface-variant);font-weight:700}.daily-quiz-rail-bar{background:var(--border-color);border-radius:3px;height:5px;margin:.7rem 0 .35rem;overflow:hidden}.daily-quiz-rail-bar>i{background:linear-gradient(90deg,#3b82f6,#8b5cf6);border-radius:3px;height:100%;transition:width .3s;display:block}.daily-quiz-rail-pct{font-size:var(--student-type-body-sm);color:var(--quiz-on-surface-variant);font-weight:600}.daily-quiz-rail-list{flex-direction:column;gap:.3rem;min-height:0;margin:0;padding:0;list-style:none;display:flex;overflow-y:auto}.daily-quiz-rail-item{width:100%;font:inherit;font-size:var(--student-type-prose-base);color:var(--quiz-on-surface-variant);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:.6rem;padding:.45rem .5rem;transition:background-color .18s,color .18s;display:flex}.daily-quiz-rail-item:hover:not(:disabled){background:var(--nav-hover);color:var(--text-main)}.daily-quiz-rail-item:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.daily-quiz-rail-num{width:26px;height:26px;font-size:var(--student-type-body-sm);border:1.5px solid var(--border-color);border-radius:50%;flex-shrink:0;place-items:center;font-weight:700;display:grid}.daily-quiz-rail-item.is-done .daily-quiz-rail-num{color:#fff;background:#10b981;border-color:#10b981}.daily-quiz-rail-item.is-current{color:var(--quiz-on-surface);font-weight:650}.daily-quiz-rail-item.is-current .daily-quiz-rail-num{background:var(--accent);border-color:var(--accent);color:#fff}.daily-quiz-rail-xp{font-size:var(--student-type-body-md);color:var(--quiz-on-surface-variant);align-items:center;gap:.4rem;margin:auto 0 0;display:flex}.daily-quiz-stage{flex-direction:column;min-width:0;min-height:0;padding:2.9rem 1.8rem 1.4rem;display:flex}.daily-quiz-form{flex-direction:column;flex:1;gap:1.15rem;min-height:0;display:flex}@keyframes dailyQuizQuestionIn{0%{opacity:0;transform:translate(18px)}to{opacity:1;transform:none}}.daily-quiz-fieldset{border:none;flex-direction:column;flex:1;justify-content:safe center;min-width:0;min-height:0;margin:0;padding:0;animation:.3s cubic-bezier(.2,.8,.2,1) both dailyQuizQuestionIn;display:flex;overflow-y:auto}.daily-quiz-prompt{font-size:var(--student-type-quiz-question);color:var(--quiz-on-surface);text-align:center;margin-top:.75rem;margin-bottom:.5rem;padding:0;font-weight:600;line-height:1.4}.daily-quiz-options{flex-direction:column;gap:.7rem;width:min(100%,40rem);margin-inline:auto;display:flex}.daily-quiz-option{background:var(--quiz-surface-variant);cursor:pointer;border:2px solid #0000;border-radius:12px;align-items:center;gap:.85rem;padding:.95rem 1.15rem;transition:background-color .18s,border-color .18s;display:flex}.daily-quiz-option button[role=radio]{border-width:2px;border-color:var(--quiz-outline);width:18px;height:18px}.daily-quiz-option.selected button[role=radio]{border-color:#fff}.daily-quiz-option.selected button[role=radio] svg{fill:#fff;color:#fff}.daily-quiz-option.selected{background:color-mix(in srgb, var(--accent) 82%, #000);border-color:#0000}.daily-quiz-option:has(button:focus-visible){outline:2px solid var(--accent);outline-offset:3px}.daily-quiz-option-radio{appearance:none;font:inherit;color:inherit;cursor:pointer;border:2px solid var(--border-color);background:0 0;border-radius:50%;flex-shrink:0;place-items:center;width:18px;height:18px;margin:0;padding:0;transition:border-color .18s;display:grid}.daily-quiz-option-radio:focus-visible{outline:none}.daily-quiz-option.selected .daily-quiz-option-radio{border-color:var(--accent)}.daily-quiz-option-dot{background:var(--accent);border-radius:50%;width:9px;height:9px;display:block}.daily-quiz-option-copy{font-size:var(--student-type-quiz-answer);color:var(--quiz-on-surface-variant);font-weight:500;line-height:1.45;transition:color .18s}.daily-quiz-option.selected .daily-quiz-option-copy{color:#fff}.daily-quiz-actions{border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;gap:1rem;padding-top:1rem;display:flex}.daily-quiz-back{border:1px solid var(--border-color);color:var(--text-muted);font:inherit;font-size:var(--student-type-body-sm);cursor:pointer;background:0 0;border-radius:9px;padding:.6rem 1.1rem;font-weight:600}.daily-quiz-back:hover:not(:disabled){color:var(--text-main);border-color:var(--text-muted)}.daily-quiz-back:disabled{opacity:.4;cursor:not-allowed}.daily-quiz-next{background:var(--accent);color:#fff;font:inherit;font-size:var(--student-type-body-sm);cursor:pointer;border:none;border-radius:9px;padding:.62rem 1.4rem;font-weight:700;transition:filter .2s}.daily-quiz-next:hover:not(:disabled){filter:brightness(1.07)}.daily-quiz-next:disabled{opacity:.5;cursor:not-allowed}.quiz-results{flex:1;grid-template-columns:240px minmax(0,1fr);height:100%;min-height:0;animation:.34s cubic-bezier(.2,.8,.2,1) both dailyQuizPanelIn;display:grid;position:relative}.quiz-results-rail{border-right:1px solid var(--border-color);background:linear-gradient(165deg,#10b9811f,#3b82f60d);flex-direction:column;gap:.75rem;min-width:0;padding:1.7rem 1.4rem;display:flex}.quiz-results-eyebrow{font-size:var(--student-type-caption-meta);letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-weight:800}.quiz-results-score{color:var(--text-main);font-feature-settings:"tnum";font-size:2.4rem;font-weight:800;line-height:1}.quiz-results-score small{font-size:var(--student-type-prose-base);color:var(--text-muted);font-weight:700}.quiz-results-bar{background:var(--border-color);border-radius:3px;height:6px;overflow:hidden}.quiz-results-bar>i{background:#10b981;border-radius:3px;height:100%;transition:width .3s;display:block}.quiz-results-xp{font-size:var(--student-type-body-sm);color:#059669;margin:0;font-weight:700}.quiz-results-practice{font-size:var(--student-type-caption-meta);color:var(--accent);margin:0;font-weight:650;line-height:1.4}.quiz-results-list{flex-direction:column;gap:.45rem;min-height:0;margin:.3rem 0 0;padding:0;list-style:none;display:flex;overflow-y:auto}.quiz-results-list li{font-size:var(--student-type-body-sm);color:var(--text-muted);align-items:center;gap:.55rem;display:flex}.quiz-results-list li span{color:#fff;background:#ef4444;border-radius:50%;flex-shrink:0;place-items:center;width:20px;height:20px;font-size:.65rem;font-weight:800;display:grid}.quiz-results-list li.is-correct span{background:#10b981}.quiz-results-foot{flex-direction:column;gap:.5rem;margin-top:auto;padding-top:.75rem;display:flex}.quiz-results-foot p{font-size:var(--student-type-caption-meta);color:var(--text-muted);margin:0;line-height:1.4}.quiz-results-retry{background:var(--accent);color:#fff;width:100%;font:inherit;font-size:var(--student-type-body-sm);cursor:pointer;border:none;border-radius:9px;padding:.65rem 1rem;font-weight:700;transition:filter .2s}.quiz-results-retry:hover{filter:brightness(1.07)}.quiz-results-retry:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.quiz-results-stage{flex-direction:column;gap:.75rem;min-height:0;padding:1.6rem 1.7rem;display:flex;overflow-y:auto}.quiz-results-title{font-size:var(--student-type-heading-xs);color:var(--text-main);margin:0 0 .2rem;font-weight:750}.quiz-results-loading{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:1rem;min-height:180px;padding:2rem 1rem;display:flex}.quiz-results-loading p{font-size:var(--student-type-body-sm);color:var(--text-muted);margin:0}.quiz-results-loading{animation:.25s both quizFadeIn}.quiz-results-stage .quiz-review-item{animation:.42s cubic-bezier(.2,.8,.2,1) both quizAnswerIn}.quiz-results-stage .quiz-review-item:nth-of-type(2){animation-delay:70ms}.quiz-results-stage .quiz-review-item:nth-of-type(3){animation-delay:.14s}.quiz-results-stage .quiz-review-item:nth-of-type(4){animation-delay:.19s}.quiz-results-stage .quiz-review-item:nth-of-type(n+5){animation-delay:.22s}@keyframes quizFadeIn{0%{opacity:0}to{opacity:1}}@keyframes quizAnswerIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.quiz-results-loading,.quiz-results-stage .quiz-review-item{animation:none}.daily-quiz-modal-card:has(.quiz-results){transition:none}}.quiz-review-item{border:1px solid var(--border-color);background:var(--frosted-card-bg);border-left:3px solid #ef4444;border-radius:10px;padding:1rem 1.1rem}.quiz-review-item.is-correct{border-left-color:#10b981}.quiz-review-item header{align-items:flex-start;gap:.7rem;display:flex}.quiz-review-item h4{font-size:var(--student-type-quiz-question);color:var(--text-main);margin:0;font-weight:600;line-height:1.45}.quiz-review-mark{color:#fff;background:#ef4444;border-radius:50%;flex-shrink:0;place-items:center;width:22px;height:22px;margin-top:1px;font-size:.72rem;font-weight:800;display:grid}.quiz-review-mark.is-correct{background:#10b981}.quiz-review-answers{flex-direction:column;gap:.55rem;margin-top:.8rem;padding-left:1.9rem;display:flex}.quiz-review-tag{font-size:var(--student-type-caption-meta);letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);margin-bottom:.15rem;font-weight:800;display:block}.quiz-review-block p{font-size:var(--student-type-quiz-answer);color:var(--text-main);margin:0;line-height:1.5}.quiz-review-block.is-wrong p{color:var(--text-muted);-webkit-text-decoration:line-through #ef44448c;text-decoration:line-through #ef44448c}[data-scheme=dark] .quiz-review-item{border-left-color:#f87171}[data-scheme=dark] .quiz-review-item.is-correct{border-left-color:#34d399}[data-scheme=dark] .quiz-review-mark,[data-scheme=dark] .quiz-results-list li span{color:#1c1917;background:#f87171}[data-scheme=dark] .quiz-review-mark.is-correct,[data-scheme=dark] .quiz-results-list li.is-correct span{background:#34d399}[data-scheme=dark] .quiz-results-xp{color:#6ee7b7}@media (width<=720px){.quiz-results{grid-template-columns:1fr;overflow-y:auto}.quiz-results-rail{border-right:none;border-bottom:1px solid var(--border-color);padding:1.2rem 1.35rem}.quiz-results-list{display:none}}@media (prefers-reduced-motion:reduce){.quiz-results{animation:none}}@media (width<=720px){.daily-quiz-modal-card:has(.daily-quiz-split){width:100%;height:auto;max-height:90vh}.daily-quiz-split{grid-template-columns:1fr}.daily-quiz-rail{border-right:none;border-bottom:1px solid var(--border-color);padding:1.1rem 1.25rem}.daily-quiz-rail-list,.daily-quiz-rail-xp{display:none}.daily-quiz-stage{padding:1.25rem 1.35rem}}@media (prefers-reduced-motion:reduce){.daily-quiz-split{animation:none}}.daily-quiz-panel-split,.daily-quiz-panel-swap{animation:.34s cubic-bezier(.2,.8,.2,1) both dailyQuizPanelIn}@keyframes dailyQuizPanelIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.daily-quiz-panel-split{flex:1;grid-template-columns:270px minmax(0,1fr);height:100%;min-height:0;display:grid;position:relative}.daily-quiz-panel-aside{color:#fff;border-radius:calc(var(--radius) + 4px) 0 0 calc(var(--radius) + 4px);background:linear-gradient(155deg,#1e3a8a 0%,#2563eb 55%,#0ea5e9 100%);flex-direction:column;gap:1.1rem;padding:1.75rem 1.5rem;display:flex}.daily-quiz-panel-mark{background:#ffffff29;border-radius:9px;flex-shrink:0;place-items:center;width:40px;height:40px;display:grid}.daily-quiz-panel-aside-title{font-size:var(--student-type-heading-sm);margin:0 0 .3rem;font-weight:780;line-height:1.25}.daily-quiz-panel-aside-copy{font-size:var(--student-type-body-sm);opacity:.85;margin:0;line-height:1.5}.daily-quiz-panel-points{flex-direction:column;gap:.65rem;margin:auto 0 0;padding:0;list-style:none;display:flex}.daily-quiz-panel-points li{font-size:var(--student-type-meta-secondary);opacity:.95;align-items:flex-start;gap:.55rem;display:flex}.daily-quiz-panel-panel{flex-direction:column;justify-content:center;gap:.75rem;min-width:0;padding:1.9rem 1.75rem;display:flex}.daily-quiz-panel-form{flex-direction:column;gap:.75rem;display:flex}.daily-quiz-panel-label{font-size:var(--student-type-meta);color:var(--text-main);font-weight:650}.daily-quiz-panel-field{position:relative}.daily-quiz-panel-field input{box-sizing:border-box;border:1.5px solid var(--border-color);background:var(--card-bg);width:100%;color:var(--text-main);font:inherit;font-size:var(--student-type-body-md);border-radius:8px;outline:none;padding:12px 44px 12px 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