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cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center;flex-direction:column;font-weight:700;font-size:.8rem;color:var(--text-primary)}.hex-card .hex-card-title{transform:rotate(var(--rotation, 0deg))}.hex-core{position:absolute;width:70px;height:80.8px;clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);border:0;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center;flex-direction:column;font-weight:700;font-size:.65rem;color:var(--text-primary)}.hex-card{background:var(--subject-color);box-shadow:0 4px 12px #0000001a;border:2px solid rgba(255,255,255,.5)}.hex-card:before,.hex-core:before{display:none}.hex-card:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 8px 20px #00000026}.hex-core:hover:not(:disabled){transform:translateY(-4px) scale(1.05);box-shadow:0 8px 20px #00000026}.hex-card-selected{box-shadow:0 6px 16px #00000026,0 0 0 3px 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strong{display:block;margin-top:40px;font-size:1.38rem;font-weight:900;letter-spacing:-.04em}.hex-core-label{display:block;margin-top:8px;font-size:.93rem;font-weight:700;letter-spacing:0;text-transform:none;color:#7a624b}.hub-summary-card,.quiz-stage-card,.settings-card{border-radius:32px;padding:28px}.hub-summary-card{display:flex;flex-direction:column;gap:22px}.hub-summary-head{display:flex;align-items:flex-start;gap:16px}.hub-summary-title{font-size:1.5rem;font-weight:900;letter-spacing:-.03em}.hub-summary-text{margin-top:8px;color:var(--text-secondary);line-height:1.65}.hub-chip-row{display:flex;flex-wrap:wrap;gap:10px}.hub-chip{padding:10px 14px;border-radius:999px;background:#ffffffc7;border:1px solid rgba(188,172,150,.18);color:var(--text-primary);font-size:.94rem;font-weight:800}.hub-empty{color:var(--text-muted);font-size:.96rem;font-weight:700}.duo-button{width:100%;padding:17px 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.ghost-button{width:100%}.duo-button-group{display:flex;flex-direction:column;gap:12px}.duo-loading{font-size:1.1rem;font-weight:800;color:var(--text-secondary);text-align:center;padding:54px 20px}.quiz-stage-card{max-width:860px;margin:0 auto}.quiz-stage-loading{min-height:340px;display:grid;place-items:center}.quiz-stage-top{display:flex;align-items:center;justify-content:space-between;gap:16px}.quiz-subject-badge{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;font-size:.96rem;font-weight:800}.quiz-question-card{margin-top:26px;padding:26px;border-radius:28px;background:#ffffffc2;border:1px solid rgba(188,172,150,.18)}.quiz-question{margin-top:12px;font-size:clamp(1.45rem,2vw,2.1rem);font-weight:900;line-height:1.55;white-space:pre-wrap;letter-spacing:-.03em}.quiz-answer{margin-top:18px;padding:24px 26px;border-radius:28px;background:linear-gradient(180deg,#e8ffd7db,#f6ffefdb);border:1px solid rgba(88,204,2,.16)}.quiz-answer-label{color:#58a700}.quiz-answer-text{margin-top:10px;font-size:1.06rem;line-height:1.8;color:var(--text-primary);white-space:pre-wrap}.quiz-action-row{flex-direction:row;margin-top:20px}.quiz-action-row>*{flex:1}.settings-dashboard{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.settings-label{font-size:1.05rem;font-weight:900;letter-spacing:-.02em;color:var(--text-primary);margin-left:4px}.settings-card{min-height:100%;background:var(--panel-bg)}.settings-text{font-size:1rem;font-weight:800;color:var(--text-primary)}.duo-toggle{width:58px;height:34px;background:#bcac963d;border-radius:999px;position:relative;transition:all .2s ease;flex-shrink:0}.duo-toggle-on{background:var(--duo-blue-strong)}.duo-toggle-thumb{width:26px;height:26px;background:#fff;border-radius:50%;position:absolute;top:4px;left:4px;transition:transform .2s cubic-bezier(.4,0,.2,1);box-shadow:0 6px 12px #0000001f}.duo-toggle-on .duo-toggle-thumb{transform:translate(24px)}.settings-section-label{font-size:14px;font-weight:700;color:var(--text-secondary);margin-top:16px;margin-bottom:8px}.settings-options{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding-top:8px}.settings-option-btn,.theme-btn{border-radius:12px;border:2px solid var(--sidebar-border);background:var(--bg-base);color:var(--text-secondary);transition:all .2s ease}.settings-option-btn{padding:12px 16px;font-weight:700;font-size:14px}.settings-option-btn.selected,.theme-btn.selected{border-color:var(--duo-green);background:var(--duo-green);color:#fff;transform:translateY(-2px);box-shadow:0 2px 6px #58cc024d}.settings-option-btn:hover:not(.selected),.theme-btn:hover:not(.selected){border-color:var(--duo-green);background:#58cc021a;transform:translateY(-1px)}.text-button{width:100%;padding:14px;border-radius:12px;color:#fff;font-weight:700;background:var(--duo-green);border:none;transition:all .2s 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p{display:none}.rail-insight-card{width:auto;min-width:92px}.rail-link-label{font-size:12px}.shell-title{font-size:2.2rem}.admin-card-header{flex-direction:column}.hub-cluster{min-height:auto;padding:18px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.hex-card,.hex-core{position:relative;top:auto;right:auto;left:auto;bottom:auto;width:100%;max-width:170px;margin:0 auto;transform:none}.hex-core{grid-column:1 / -1;width:min(170px,55vw)}.hex-core strong{margin-top:42px}.hub-summary-head,.quiz-stage-top,.quiz-action-row,.settings-row{flex-direction:column;align-items:stretch}.theme-grid{grid-template-columns:1fr}}.bot-challenge-panel{margin-top:18px;padding:18px;border-radius:22px;background:#fffc;border:1px solid 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strong{color:var(--duo-green-shadow);font-size:.95rem}.subject-seo-copy{display:grid;gap:12px}.subject-seo-topic-list{padding-left:18px;color:var(--text-secondary);line-height:1.75}.subject-seo-topic-list li+li{margin-top:4px}.subject-ad-slot{margin-top:24px}.ad-slot-shell{display:grid;gap:12px;padding:18px;border-radius:24px;background:#ffffffd1;border:1px solid var(--panel-border);box-shadow:var(--shadow-soft)}.ad-slot-label{font-size:.74rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.ad-slot-frame{width:100%;min-height:120px}.subject-faq-panel{margin-top:24px;display:grid;gap:20px}.subject-faq-intro{display:grid;gap:10px}.subject-faq-intro h2{font-size:clamp(1.35rem,2.1vw,1.85rem);line-height:1.35}.subject-faq-intro p,.subject-faq-item p{color:var(--text-secondary);line-height:1.75}.subject-faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.subject-faq-item{padding:20px;border-radius:20px;background:#ffffffe0;border:1px solid var(--panel-border);box-shadow:var(--shadow-soft);display:grid;gap:10px}.subject-faq-item h3{font-size:1.02rem;line-height:1.45}