@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap";:root{--violet-500:#7e00fd;--violet-400:#9433fe;--violet-600:#6b00d9;--violet-700:#4d0099;--violet-800:#2e0070;--violet-900:#1a0040;--yellow-500:#faff00;--yellow-400:#fcff66;--yellow-600:#d9dc00;--coral-500:#ff6b47;--coral-400:#ff8266;--coral-600:#e5532e;--cream-50:#feefe8;--cream-100:#fbe2d6;--cream-200:#f5d0bd;--navy-900:var(--violet-800);--navy-800:var(--violet-700);--navy-700:var(--violet-600);--navy-600:var(--violet-500);--lime-500:var(--yellow-500);--lime-400:var(--yellow-400);--lime-600:var(--yellow-600);--paper:var(--cream-50);--card:hsla(0,0%,100%,.5);--surface-card:hsla(0,0%,100%,.5);--surface-elev:hsla(0,0%,100%,.5);--surface-deep:var(--violet-500);--line:transparent;--line-strong:transparent;--text-100:#1a0a0a;--text-300:#4a3d3a;--text-500:#8a7b76;--text-700:#baa89f;--ink-900:var(--text-100);--ink-700:var(--text-300);--ink-500:var(--text-500);--ink-300:var(--text-700);--lav-50:#f0e0ff;--lav-100:#e0c2ff;--lav-200:#c699ff;--lav-300:#9433fe;--lav-400:#7e00fd;--lav-500:var(--violet-500);--lav-600:var(--violet-700);--pink-100:#ffe9e2;--pink-200:#ffd5c8;--pink-300:var(--coral-500);--yellow-100:#fffec2;--yellow-200:var(--yellow-500);--yellow-300:var(--yellow-600);--mint-100:#f0e0ff;--mint-200:var(--violet-400);--serif:"Space 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var(--line);border-radius:var(--radius-sm);color:var(--text-100);display:inline-flex;font-size:13px;font-weight:500;gap:8px;height:44px;padding:0 18px}.btn-ghost:hover{border-color:var(--navy-900)}.course-list{display:flex;flex-direction:column;gap:16px}.course-card{align-items:stretch;background:#ffffff80;border:1px solid var(--line);border-radius:var(--radius-md);cursor:pointer;display:grid;gap:24px;grid-template-columns:200px 1fr;overflow:hidden;padding:20px;position:relative;transition:border-color .15s,transform .15s ease}.course-card:hover{border-color:var(--navy-900);transform:translateY(-2px)}.course-card.tone-lav,.course-card.tone-mint,.course-card.tone-pink,.course-card.tone-yellow{background:#ffffff80}.thumb{background:var(--cream-50);border-radius:var(--radius-sm);min-height:170px;overflow:hidden;position:relative;--illu-stroke:var(--violet-800);--illu-bg:var(--cream-50)}.course-card.tone-yellow 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.progress-track,.progress-track{background:#2e007026}.progress-fill{height:100%}.course-card.tone-yellow .progress-fill,.progress-fill{background:var(--navy-900)}.tone-yellow .progress-fill{background:var(--lime-500)}.progress-pct{color:var(--text-100);font-size:14px;font-variant-numeric:tabular-nums;font-weight:700}.arrow-btn{align-items:center;border-radius:var(--radius-sm);display:inline-flex;height:32px;justify-content:center;position:absolute;right:18px;top:18px;width:32px}.arrow-btn,.tone-yellow 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16px}.reco-card{background:#ffffff80;border:1px solid var(--line);border-radius:var(--radius-md);display:flex;flex-direction:column;gap:12px;padding:18px}.reco-icon{align-items:center;background:var(--lime-500);border-radius:var(--radius-sm);color:var(--navy-900);display:inline-flex;height:56px;justify-content:center;width:56px}.reco-title{color:var(--text-100);font-family:var(--serif);font-size:18px;font-weight:600;letter-spacing:-.01em;margin:0}.reco-text{color:var(--text-500);font-size:12.5px;line-height:1.55;margin:0}.reco-link{align-items:center;color:var(--navy-900);display:inline-flex;font-size:13px;font-weight:600;gap:6px}.reco-link:hover{color:var(--coral-500)}.detail-hero{background:var(--navy-900);border-radius:var(--radius-md);color:#fff;display:grid;gap:32px;grid-template-columns:280px 1fr;margin-bottom:28px;overflow:hidden;padding:32px;position:relative}.detail-hero:before{background:radial-gradient(circle,rgba(212,247,106,.18),transparent 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var(--line);color:var(--text-300);display:grid;font-size:13.5px;gap:12px;grid-template-columns:22px 1fr auto auto;padding:10px 0}.lesson-row:first-child{border-top:none}.lesson-state{border:1.5px solid var(--text-700);border-radius:50%;height:18px;width:18px}.lesson-state.done{align-items:center;background:var(--lime-500);border-color:var(--lime-500);color:var(--navy-900);display:inline-flex;font-size:10px;justify-content:center}.lesson-state.active{background:var(--coral-500);border-color:var(--coral-500)}.lesson-time{color:var(--text-500);font-size:12px;font-variant-numeric:tabular-nums}.lesson-preview-tag{background:var(--lime-500);border-radius:var(--radius-sm);color:var(--navy-900);font-size:10px;font-weight:700;letter-spacing:.06em;padding:3px 8px;text-transform:uppercase}.learn{background:var(--paper) var(--grain-bg) 0 0 /var(--grain-size) repeat;display:grid;grid-template-columns:320px 1fr;height:100vh;min-width:0}.learn-side{background:var(--violet-900);color:#fff;display:flex;flex-direction:column;gap:22px;overflow:auto;padding:24px 0 32px;position:relative}.learn-side::-webkit-scrollbar{width:6px}.learn-side::-webkit-scrollbar-thumb{background:#ffffff1f}.learn-side::-webkit-scrollbar-track{background:transparent}.learn-side .back{align-items:center;color:var(--yellow-500);display:inline-flex;font-size:11px;font-weight:600;gap:6px;letter-spacing:.1em;padding:0 22px;text-transform:uppercase}.learn-side .back:hover{color:#fff}.learn-course-title{color:#fff;font-family:var(--serif);font-size:22px;font-weight:600;letter-spacing:-.02em;line-height:1.15;margin:0;padding:0 22px}.learn-progress{background:linear-gradient(135deg,var(--violet-700),var(--violet-800));box-shadow:inset 0 0 0 1px #ffffff0f;display:flex;flex-direction:column;gap:12px;margin:0 22px;padding:16px 18px 18px}.learn-progress .lp-top{align-items:baseline;color:#ffffffd9;display:flex;font-size:10.5px;font-weight:700;justify-content:space-between;letter-spacing:.1em;text-transform:uppercase}.learn-progress .lp-pct{color:var(--yellow-500);font-family:var(--serif);font-size:24px;font-variant-numeric:tabular-nums;font-weight:700;line-height:1}.lp-track{background:#ffffff2e;height:8px;overflow:hidden;position:relative}.lp-fill{background:var(--yellow-500);height:100%;transition:width .45s ease}.lp-meta{align-items:center;color:#ffffffb3;display:flex;flex-wrap:wrap;font-size:11px;gap:6px}.lp-meta b{color:#fff;font-variant-numeric:tabular-nums;font-weight:700}.lp-meta .lp-sep{opacity:.5}.learn-version{display:flex;flex-direction:column;gap:6px;margin:0 22px}.learn-version .lv-label{color:#ffffff80;font-size:11px;font-weight:600;letter-spacing:.5px;text-transform:uppercase}.learn-version 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