@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&display=swap";.navbar{z-index:200;background-color:var(--color-surface);border-bottom:1px solid var(--color-border);width:100%;max-width:100%;box-shadow:var(--shadow-sm);flex-shrink:0;min-height:60px;position:sticky;top:0;overflow-x:clip}@supports ((-webkit-backdrop-filter:blur(12px)) or (backdrop-filter:blur(12px))){.navbar{background-color:var(--navbar-bg);-webkit-backdrop-filter:blur(12px)}}.navbar-inner{max-width:var(--container-max);padding:0 var(--space-4);align-items:center;gap:var(--space-4);min-width:0;min-height:60px;margin:0 auto;display:flex}@media (width>=640px){.navbar-inner{padding:0 var(--space-6)}}@media (width>=900px){.navbar-inner{gap:var(--space-6)}}.navbar-logo{align-items:center;gap:var(--space-2);font-size:var(--text-lg);color:var(--color-text);white-space:nowrap;flex-shrink:0;font-weight:700;text-decoration:none;display:flex}.navbar-logo:hover{color:var(--color-text);text-decoration:none}.navbar-logo-icon{font-size:var(--text-xl)}@media (width<=899px){.navbar-inner{gap:var(--space-2)}.navbar-logo{font-size:var(--text-sm);white-space:normal;flex-shrink:1;min-width:0;max-width:9.5rem;line-height:1.2}.navbar-right{gap:var(--space-1);min-width:0}}.navbar-links{align-items:center;gap:var(--space-1);flex:1;min-width:0;display:none}@media (width>=900px){.navbar-links{display:flex}}.navbar-link{padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);font-size:var(--text-sm);color:var(--color-text-muted);transition:color var(--transition-fast), background-color var(--transition-fast);white-space:nowrap;font-weight:500;text-decoration:none}.navbar-link:hover{color:var(--color-text);background-color:var(--color-bg-secondary);text-decoration:none}.navbar-link--active{color:var(--color-primary);background-color:var(--color-primary-light)}.navbar-right{align-items:center;gap:var(--space-2);flex-shrink:0;margin-left:auto;display:flex}@media (width>=900px){.navbar-right{gap:var(--space-3)}}.navbar-streak{font-size:var(--text-sm);color:var(--color-streak);background-color:var(--color-streak-light);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);white-space:nowrap;border:1px solid #ea580c33;font-weight:600}.navbar-streak--desktop{display:none}@media (width>=900px){.navbar-streak--desktop{display:block}}.navbar-xp{align-items:center;gap:var(--space-2);background-color:var(--color-xp-light);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);font-size:var(--text-xs);white-space:nowrap;font-weight:600;display:flex}.navbar-xp--desktop{display:none}@media (width>=900px){.navbar-xp--desktop{display:flex}}.navbar-xp-level{color:var(--color-xp)}.navbar-xp-amount{color:var(--color-text-muted)}.navbar-theme-btn{justify-content:center;align-items:center;gap:var(--space-2);background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);min-height:34px;padding:0 var(--space-2);font-size:var(--text-xs);color:var(--color-text);cursor:pointer;transition:background-color var(--transition-fast), border-color var(--transition-fast);flex-shrink:0;font-family:inherit;font-weight:600;display:inline-flex}@media (width>=480px){.navbar-theme-btn{padding:0 var(--space-3);font-size:var(--text-sm)}}.navbar-theme-btn:hover{background-color:var(--color-primary-light);border-color:var(--color-primary)}.navbar-theme-icon{font-size:var(--text-base);line-height:1}.navbar-theme-label{white-space:nowrap;display:inline}@media (width<=899px){.navbar-theme-label{display:none}.navbar-theme-btn{gap:0;width:38px;min-width:38px;padding:0}}.navbar-user{flex-shrink:0;position:relative}.navbar-user--desktop{display:none}@media (width>=900px){.navbar-user--desktop{display:block}}.navbar-avatar{border-radius:var(--radius-full);background:linear-gradient(135deg, var(--color-primary), var(--color-accent));color:#fff;width:34px;height:34px;font-weight:700;font-size:var(--text-sm);cursor:pointer;border:none;justify-content:center;align-items:center;display:flex}.navbar-dropdown{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:300;min-width:180px;position:absolute;top:calc(100% + 8px);right:0;overflow:hidden}.navbar-dropdown-item{width:100%;padding:var(--space-3) var(--space-4);font-size:var(--text-sm);color:var(--color-text);text-align:left;cursor:pointer;transition:background-color var(--transition-fast);background:0 0;border:none;font-family:inherit;text-decoration:none;display:block}.navbar-dropdown-item:hover{background-color:var(--color-bg-secondary);text-decoration:none}.navbar-dropdown-item--danger{color:var(--color-danger)}.navbar-logout-btn{min-height:34px;padding:0 var(--space-3);border-radius:var(--radius-md);border:2px solid var(--color-danger);background-color:var(--color-danger);color:#fff;font-family:inherit;font-size:var(--text-sm);letter-spacing:.02em;cursor:pointer;white-space:nowrap;transition:background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:inline-flex}.navbar-logout-btn:hover{box-shadow:0 0 0 3px var(--color-danger-light);background-color:#b91c1c;border-color:#b91c1c}.navbar-logout-btn:focus-visible{box-shadow:0 0 0 3px var(--color-danger-light);outline:none}.navbar-logout-btn:active{transform:translateY(1px)}@media (width<=899px){.navbar-logout-btn{min-height:32px;padding:0 var(--space-2);font-size:var(--text-xs)}}.navbar-auth-btns{align-items:center;gap:var(--space-2);flex-shrink:0;display:flex}.navbar-auth-btns--desktop{display:none}@media (width>=900px){.navbar-auth-btns--desktop{display:flex}}.navbar-menu-btn{border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-bg-secondary);cursor:pointer;width:38px;height:38px;transition:background-color var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;padding:0;display:flex}.navbar-menu-btn:hover{background-color:var(--color-primary-light);border-color:var(--color-primary)}@media (width>=900px){.navbar-menu-btn{display:none}}.navbar-menu-icon,.navbar-menu-icon:before,.navbar-menu-icon:after{background-color:var(--color-text);width:18px;height:2px;transition:transform var(--transition-fast), opacity var(--transition-fast);border-radius:1px;display:block}.navbar-menu-icon{position:relative}.navbar-menu-icon:before,.navbar-menu-icon:after{content:"";position:absolute;left:0}.navbar-menu-icon:before{top:-6px}.navbar-menu-icon:after{top:6px}.navbar-menu-icon--open{background-color:#0000}.navbar-menu-icon--open:before{top:0;transform:rotate(45deg)}.navbar-menu-icon--open:after{top:0;transform:rotate(-45deg)}.navbar-backdrop{z-index:150;background-color:var(--modal-overlay);cursor:pointer;border:none;position:fixed;inset:60px 0 0}@media (width>=900px){.navbar-backdrop{display:none}}.navbar-mobile{z-index:160;background-color:var(--color-surface);border-left:1px solid var(--color-border);width:min(320px,100vw);height:calc(100dvh - 60px);box-shadow:var(--shadow-lg);padding:var(--space-6);gap:var(--space-6);transition:transform var(--transition-base);flex-direction:column;display:flex;position:fixed;top:60px;right:0;overflow-y:auto;transform:translate(100%)}.navbar-mobile--open{transform:translate(0)}@media (width>=900px){.navbar-mobile{display:none}}.navbar-mobile-links{gap:var(--space-1);flex-direction:column;display:flex}.navbar-mobile-link{padding:var(--space-4);font-size:var(--text-base);color:var(--color-text);border-radius:var(--radius-lg);transition:background-color var(--transition-fast);text-align:left;cursor:pointer;background:0 0;border:none;width:100%;font-family:inherit;font-weight:600;text-decoration:none;display:block}.navbar-mobile-link:hover{background-color:var(--color-bg-secondary);color:var(--color-text);text-decoration:none}.navbar-mobile-link--active{color:var(--color-primary);background-color:var(--color-primary-light)}.navbar-mobile-link--danger{color:var(--color-danger)}.navbar-mobile-section{gap:var(--space-3);padding-top:var(--space-4);border-top:1px solid var(--color-border);flex-direction:column;display:flex}.navbar-mobile-auth{gap:var(--space-3);padding-top:var(--space-4);border-top:1px solid var(--color-border);flex-direction:column;margin-top:auto;display:flex}.site-footer{background-color:var(--color-surface);border-top:1px solid var(--color-border);color:var(--color-text-muted);flex-shrink:0;margin-top:auto}.footer-inner{max-width:var(--container-max);padding:var(--space-10) var(--space-6) var(--space-6);box-sizing:border-box;margin:0 auto}.footer-grid{gap:var(--space-8);padding-bottom:var(--space-8);border-bottom:1px solid var(--color-border-subtle);grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));display:grid}.footer-brand{gap:var(--space-4);flex-direction:column;min-width:0;display:flex}.footer-logo{align-items:center;gap:var(--space-2);font-size:var(--text-lg);color:var(--color-text);width:fit-content;max-width:100%;font-weight:700;text-decoration:none;display:inline-flex}.footer-logo:hover{color:var(--color-text);text-decoration:none}.footer-logo-icon{font-size:var(--text-xl);line-height:1}.footer-tagline{max-width:22rem;font-size:var(--text-sm);color:var(--color-text-muted);margin:0;line-height:1.7}.footer-badge{width:fit-content;padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);background-color:var(--color-primary-light);color:var(--color-primary);font-size:var(--text-xs);letter-spacing:.04em;text-transform:uppercase;border:1px solid #6366f133;align-items:center;margin:0;font-weight:700;display:inline-flex}.footer-column{min-width:0}.footer-heading{margin:0 0 var(--space-4);font-size:var(--text-xs);letter-spacing:.08em;text-transform:uppercase;color:var(--color-text);font-weight:700}.footer-links{gap:var(--space-3);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.footer-links a{font-size:var(--text-sm);color:var(--color-text-muted);transition:color var(--transition-fast);font-weight:500;text-decoration:none}.footer-links a:hover{color:var(--color-primary);text-decoration:none}.footer-bottom{justify-content:space-between;align-items:center;gap:var(--space-4);padding-top:var(--space-6);flex-wrap:wrap;display:flex}.footer-copy,.footer-note{font-size:var(--text-xs);color:var(--color-text-faint);margin:0;line-height:1.6}@media (width<=900px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-brand{grid-column:1/-1}}@media (width<=640px){.footer-inner{padding:var(--space-8) var(--space-4) var(--space-5)}.footer-grid{gap:var(--space-6);grid-template-columns:1fr}.footer-bottom{flex-direction:column;align-items:flex-start}}.landing{background-color:var(--color-bg)}.hero{padding:var(--space-16) 0 var(--space-12);background-color:var(--color-bg);background-image:var(--gradient-hero);position:relative;overflow:hidden}.hero:before{content:"";background-image:var(--gradient-mesh);pointer-events:none;opacity:.7;position:absolute;inset:0}.hero-inner{z-index:1;max-width:800px;padding:0 var(--space-6);text-align:center;align-items:center;gap:var(--space-6);flex-direction:column;margin:0 auto;display:flex;position:relative}.hero-badge{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);background-color:var(--color-primary-light);color:var(--color-primary);border-radius:var(--radius-full);font-size:var(--text-sm);letter-spacing:.01em;border:1px solid #6366f133;font-weight:600;display:inline-flex}.hero-title{letter-spacing:-.04em;color:var(--color-text);font-size:clamp(2.25rem,5.5vw,3.75rem);font-weight:800;line-height:1.1}.hero-title-highlight{background:linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;display:block}.hero-title-ace{background:linear-gradient(135deg,#3cff00 0%,#0ef 100%);-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text}.hero-subtitle{font-size:clamp(var(--text-base), 2vw, var(--text-lg));color:var(--color-text-muted);max-width:620px;margin:0;line-height:1.75}.hero-actions{align-items:center;gap:var(--space-4);margin-top:var(--space-2);flex-wrap:wrap;justify-content:center;display:flex}.stats-bar{background-color:var(--color-surface);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border);padding:var(--space-10) 0;box-shadow:var(--shadow-sm)}.stats-grid{gap:var(--space-8);text-align:center;grid-template-columns:repeat(4,1fr);display:grid}@media (width<=768px){.stats-grid{gap:var(--space-6);grid-template-columns:repeat(2,1fr)}}.stat-item{gap:var(--space-1);padding:var(--space-2);flex-direction:column;display:flex}.stat-value{font-size:var(--text-2xl);letter-spacing:-.02em;background:linear-gradient(135deg, var(--color-primary), var(--color-accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:800}.stat-label{font-size:var(--text-sm);color:var(--color-text-muted);font-weight:500}.section-header{text-align:center;max-width:580px;margin:0 auto var(--space-10)}.section-header h2{font-size:clamp(var(--text-2xl), 3vw, var(--text-3xl));letter-spacing:-.03em;margin-bottom:var(--space-4);font-weight:800}.section-header p{font-size:var(--text-lg);color:var(--color-text-muted);margin:0;line-height:1.65}.pitfalls-section{padding:var(--space-16) 0;background-image:var(--gradient-mesh)}.pitfalls-grid{gap:var(--space-5);grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));display:grid}.pitfall-card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);gap:var(--space-4);box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast), box-shadow var(--transition-base), transform var(--transition-base);flex-direction:column;display:flex}.pitfall-card:hover{box-shadow:var(--shadow-md);border-color:#dc262659;transform:translateY(-2px)}.pitfall-header{justify-content:space-between;align-items:center;gap:var(--space-2);display:flex}.pitfall-subject{font-size:var(--text-sm);color:var(--color-text);font-weight:700}.pitfall-pct{font-size:var(--text-xs);color:var(--color-danger);background-color:var(--color-danger-light);padding:3px var(--space-3);border-radius:var(--radius-full);flex-shrink:0;font-weight:700}.pitfall-issue{font-size:var(--text-sm);color:var(--color-text-muted);margin:0;font-style:italic;line-height:1.6}.features-section{background-color:var(--color-bg-secondary);padding:var(--space-16) 0;border-top:1px solid var(--color-border)}.features-grid{gap:var(--space-5);grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));display:grid}.feature-card{gap:var(--space-4);flex-direction:column;height:100%;display:flex}.feature-icon{background:linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light));border-radius:var(--radius-lg);border:1px solid var(--color-border-subtle);justify-content:center;align-items:center;width:52px;height:52px;font-size:1.75rem;line-height:1;display:flex}.feature-title{font-size:var(--text-lg);color:var(--color-text);letter-spacing:-.02em;font-weight:700}.feature-desc{font-size:var(--text-sm);color:var(--color-text-muted);margin:0;line-height:1.7}.cta-section{padding:var(--space-16) 0 var(--space-20)}.cta-box{background:var(--gradient-cta);border-radius:var(--radius-xl);padding:var(--space-12) var(--space-8);text-align:center;align-items:center;gap:var(--space-6);box-shadow:var(--shadow-lg);border:1px solid #6366f140;flex-direction:column;display:flex;position:relative;overflow:hidden}.cta-box:before{content:"";pointer-events:none;background:radial-gradient(circle,#6366f126,#0000 70%);width:300px;height:300px;position:absolute;top:-50%;right:-20%}.cta-title{font-size:clamp(var(--text-2xl), 3vw, var(--text-3xl));color:var(--color-text);letter-spacing:-.03em;font-weight:800;position:relative}.cta-subtitle{font-size:var(--text-lg);color:var(--color-text-muted);max-width:480px;margin:0;line-height:1.65;position:relative}.cta-actions{gap:var(--space-4);flex-wrap:wrap;justify-content:center;display:flex;position:relative}@media (width<=768px){.hero{padding:var(--space-12) 0 var(--space-10)}.hero-inner{padding:0 var(--space-4);width:100%}.hero-actions{flex-direction:column;align-items:stretch;width:100%}.hero-actions .btn{justify-content:center;width:100%}.pitfalls-section,.features-section,.cta-section{padding-left:0;padding-right:0}.section-header{padding:0 var(--space-2);margin-bottom:var(--space-8)}.pitfalls-grid,.features-grid{grid-template-columns:1fr;justify-items:stretch;width:100%;margin:0 auto}.pitfall-card,.feature-card{width:100%;max-width:100%;margin:0 auto}.cta-box{padding:var(--space-10) var(--space-5);width:100%;margin:0 auto}.cta-actions{flex-direction:column;align-items:stretch;width:100%}.cta-actions .btn{justify-content:center;width:100%}}@media (width<=480px){.stats-grid{gap:var(--space-4)}}@keyframes shimmer{0%{background-position:-600px 0}to{background-position:600px 0}}.skeleton-card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);gap:var(--space-3);flex-direction:column;display:flex}.skeleton-line{border-radius:var(--radius-sm);background:linear-gradient(90deg, var(--color-bg-secondary) 25%, var(--color-bg-tertiary) 50%, var(--color-bg-secondary) 75%);background-size:600px 100%;height:14px;animation:1.4s linear infinite shimmer}.skeleton-line--title{width:60%;height:20px}.subject-hub{padding:var(--space-10) 0 var(--space-16);background-color:var(--color-bg);background-image:var(--gradient-mesh);background-attachment:fixed;min-height:calc(100vh - 60px);overflow-x:clip}.subject-hub .container{box-sizing:border-box;flex-direction:column;align-items:center;width:100%;max-width:100%;display:flex}.hub-header{text-align:center;margin-bottom:var(--space-10);padding-top:var(--space-2);width:min(80vw,100%);max-width:min(80vw,100%)}.hub-title{font-size:clamp(var(--text-3xl), 4vw, var(--text-4xl));letter-spacing:-.03em;color:var(--color-text);margin-bottom:var(--space-3);font-weight:800}.hub-subtitle{font-size:var(--text-lg);color:var(--color-text-muted);max-width:560px;margin:0 auto;line-height:1.65}.subject-hub .subjects-grid{align-items:stretch;gap:var(--space-5);width:min(80vw, calc(100% - (var(--space-4) * 2)));max-width:min(80vw, calc(100% - (var(--space-4) * 2)));box-sizing:border-box;grid-template-columns:repeat(4,minmax(0,1fr));margin-inline:auto;display:grid}.subject-hub .subjects-grid .subject-card{width:100%;min-width:0;max-width:100%;height:100%;margin-inline:0;overflow:hidden}.subject-card{cursor:pointer;gap:var(--space-4);box-sizing:border-box;flex-direction:column;width:100%;min-width:0;max-width:100%;height:100%;min-height:100%;display:flex;overflow:hidden}.subject-card:focus{outline:2px solid var(--color-primary);outline-offset:2px}.subject-card-top{gap:var(--space-4);flex-shrink:0;align-items:flex-start;width:100%;min-width:0;min-height:9rem;display:flex}.subject-info{flex:1;min-width:0;max-width:100%}.subject-icon{background:linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light));border-radius:var(--radius-lg);border:1px solid var(--color-border-subtle);flex-shrink:0;justify-content:center;align-items:center;width:56px;min-width:56px;height:56px;font-size:2rem;line-height:1;display:flex}.subject-name{font-size:var(--text-xl);letter-spacing:-.02em;color:var(--color-text);margin-bottom:var(--space-2);overflow-wrap:anywhere;word-break:break-word;font-weight:700}.subject-desc{font-size:var(--text-sm);color:var(--color-text-muted);overflow-wrap:anywhere;word-break:break-word;margin:0;line-height:1.7}.subject-career-teaser{text-align:center;justify-content:center;align-items:center;gap:var(--space-2);box-sizing:border-box;width:100%;min-width:0;max-width:100%;height:8rem;min-height:8rem;max-height:8rem;padding:var(--space-4);background:linear-gradient(135deg, var(--color-success-light), var(--color-bg-secondary));border:1px solid var(--color-border-subtle);border-radius:var(--radius-lg);flex-direction:column;flex:0 0 8rem;align-self:stretch;display:flex;overflow:hidden}.career-teaser-label{font-size:var(--text-xs);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.06em;overflow-wrap:anywhere;flex-shrink:0;max-width:100%;font-weight:700}.career-teaser-details{text-align:center;justify-content:center;align-items:center;gap:var(--space-1);flex-direction:column;flex:auto;width:100%;min-width:0;max-width:100%;min-height:0;display:flex;overflow:hidden}.career-teaser-role{font-size:var(--text-sm);color:var(--color-text);overflow-wrap:anywhere;word-break:break-word;-webkit-line-clamp:2;-webkit-box-orient:vertical;max-width:100%;font-weight:600;line-height:1.4;display:-webkit-box;overflow:hidden}.career-teaser-salary{font-size:var(--text-sm);color:var(--color-success);letter-spacing:-.01em;overflow-wrap:anywhere;max-width:100%;font-weight:800;line-height:1.4}.subject-footer{justify-content:center;align-items:stretch;gap:var(--space-2);width:100%;min-width:0;min-height:4.5rem;padding-top:var(--space-2);border-top:1px solid var(--color-border-subtle);box-sizing:border-box;flex-wrap:wrap;flex-shrink:0;margin-top:auto;display:flex}.subject-footer .badge{white-space:normal;text-align:center;overflow-wrap:anywhere;word-break:break-word;justify-content:center;max-width:100%;height:auto;line-height:1.35}.subject-careers{place-content:flex-start center;gap:var(--space-2);box-sizing:border-box;flex-wrap:wrap;flex-shrink:0;width:100%;min-width:0;min-height:4.75rem;display:flex}.subject-career-pill{font-size:var(--text-xs);color:var(--color-text-muted);background-color:var(--color-bg-tertiary);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);border:1px solid var(--color-border-subtle);overflow-wrap:anywhere;word-break:break-word;white-space:normal;text-align:center;box-sizing:border-box;max-width:100%;font-weight:500}.hub-error{text-align:center;color:var(--color-danger);padding:var(--space-10);font-size:var(--text-lg);background-color:var(--color-danger-light);border:1px solid var(--color-danger);border-radius:var(--radius-xl);max-width:480px;margin:0 auto}.topics-list{gap:var(--space-3);margin-top:var(--space-8);flex-direction:column;display:flex}.topic-row{align-items:center;gap:var(--space-4);padding:var(--space-4) var(--space-5);color:inherit;transition:border-color var(--transition-fast), transform var(--transition-fast);text-decoration:none;display:flex}.topic-row:hover{color:inherit;border-color:var(--color-primary);text-decoration:none;transform:translate(4px)}.topic-row-title{font-size:var(--text-base);color:var(--color-text);flex:1;font-weight:600}.topic-row-meta{align-items:center;gap:var(--space-2);flex-shrink:0;display:flex}@media (width<=1024px){.subject-hub .subjects-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=640px){.subject-hub{padding:var(--space-8) 0 var(--space-12)}.hub-header{width:min(80vw, calc(100% - (var(--space-4) * 2)));max-width:min(80vw, calc(100% - (var(--space-4) * 2)))}.subject-hub .subjects-grid{gap:var(--space-4);width:min(80vw, calc(100% - (var(--space-4) * 2)));max-width:min(80vw, calc(100% - (var(--space-4) * 2)));grid-template-columns:1fr}.subject-hub .subjects-grid .subject-card{width:100%;min-width:0;max-width:100%;height:100%}.subject-card-top{flex-wrap:nowrap;align-items:flex-start;min-height:8rem}.subject-icon{width:48px;min-width:48px;height:48px;font-size:1.5rem}.subject-name{font-size:var(--text-lg)}.subject-desc{font-size:var(--text-xs)}.subject-career-teaser{padding:var(--space-3);flex:0 0 7.5rem;height:7.5rem;min-height:7.5rem;max-height:7.5rem}.subject-footer{min-height:4.25rem}.subject-careers{min-height:4.5rem}.subject-footer{flex-direction:column;align-items:stretch}.subject-footer .badge{width:100%}.topic-row{padding:var(--space-4);flex-wrap:wrap}.topic-row:hover{transform:none}.topic-row-meta{flex-wrap:wrap;width:100%}}.topic-detail{padding:var(--space-8) 0 var(--space-16);background-color:var(--color-bg);min-height:calc(100vh - 60px)}.topic-hero{margin-bottom:var(--space-8);gap:var(--space-5);padding:var(--space-8);background:linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-surface) 50%);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);flex-direction:column;display:flex}.topic-back{align-self:flex-start}.topic-hero-content{gap:var(--space-4);flex-direction:column;display:flex}.topic-meta{gap:var(--space-2);flex-wrap:wrap;display:flex}.topic-title{font-size:clamp(var(--text-2xl), 4vw, var(--text-4xl));letter-spacing:-.03em;color:var(--color-text);font-weight:800;line-height:1.15}.topic-subtitle{font-size:var(--text-lg);color:var(--color-text-muted);max-width:680px;margin:0;line-height:1.7}.topic-forge-btn{margin-top:var(--space-2);align-self:flex-start}.topic-tabs{gap:var(--space-1);border-bottom:1px solid var(--color-border);margin-bottom:var(--space-8);scrollbar-width:none;display:flex;overflow-x:auto}.topic-tabs::-webkit-scrollbar{display:none}.topic-tab{padding:var(--space-3) var(--space-5);font-size:var(--text-sm);color:var(--color-text-muted);cursor:pointer;white-space:nowrap;transition:color var(--transition-fast), border-color var(--transition-fast);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;font-family:inherit;font-weight:600}.topic-tab:hover{color:var(--color-text)}.topic-tab--active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.concepts-list,.concept-card{gap:var(--space-5);flex-direction:column;display:flex}.concept-header{align-items:center;gap:var(--space-3);display:flex}.concept-number{border-radius:var(--radius-full);background:linear-gradient(135deg, var(--color-primary), var(--color-accent));color:#fff;width:32px;height:32px;font-size:var(--text-sm);box-shadow:var(--shadow-sm);flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:flex}.concept-title{font-size:var(--text-lg);letter-spacing:-.02em;color:var(--color-text);flex:1;font-weight:700}.concept-explanation{font-size:var(--text-base);color:var(--color-text-muted);margin:0;line-height:1.8}.pitfalls-list,.pitfall-detail-card{gap:var(--space-5);flex-direction:column;display:flex}.pitfall-detail-header{justify-content:space-between;align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.pitfall-detail-warning{font-size:var(--text-sm);color:var(--color-warning);font-weight:700}.pitfall-detail-pct{font-size:var(--text-xs);color:var(--color-danger);background-color:var(--color-danger-light);padding:3px var(--space-3);border-radius:var(--radius-full);font-weight:700}.pitfall-detail-title{font-size:var(--text-lg);color:var(--color-text);letter-spacing:-.02em;font-weight:700}.pitfall-detail-sections{gap:var(--space-4);grid-template-columns:1fr 1fr;display:grid}@media (width<=600px){.pitfall-detail-sections{grid-template-columns:1fr}}.pitfall-section{padding:var(--space-5);background-color:var(--color-bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--color-border-subtle)}.pitfall-section--fix{background-color:var(--color-success-light);border-color:#05966933}.pitfall-section-label{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);margin-bottom:var(--space-3);font-weight:700;display:block}.pitfall-section p{font-size:var(--text-sm);color:var(--color-text-muted);margin:0;line-height:1.65}.pitfall-section--fix p{color:var(--color-success);font-weight:500}.realworld-grid{gap:var(--space-4);grid-template-columns:repeat(auto-fill,minmax(280px,1fr));display:grid}.realworld-domain{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.08em;color:var(--color-primary);margin-bottom:var(--space-3);font-weight:700}.realworld-example{font-size:var(--text-sm);color:var(--color-text-muted);margin:0;line-height:1.7}.topic-cta{margin-top:var(--space-12);padding-top:var(--space-8);border-top:1px solid var(--color-border);justify-content:center;display:flex}.topic-cta-locked{text-align:center;align-items:center;gap:var(--space-5);padding:var(--space-8);background-color:var(--color-bg-secondary);border-radius:var(--radius-xl);border:1px dashed var(--color-border);flex-direction:column;width:100%;max-width:480px;display:flex}.topic-cta-locked p{color:var(--color-text-muted);font-size:var(--text-base);margin:0;line-height:1.6}.pitfall-bar-track{background-color:var(--color-bg-tertiary);border-radius:var(--radius-full);height:8px;overflow:hidden}.pitfall-bar-fill{background:linear-gradient(90deg, var(--color-danger), #f97316);border-radius:var(--radius-full);height:100%;transition:width .8s}.xpbar{gap:var(--space-2);flex-direction:column;display:flex}.xpbar-header{font-size:var(--text-xs);justify-content:space-between;display:flex}.xpbar-level{color:var(--color-xp);font-weight:700}.xpbar-remaining{color:var(--color-text-muted)}.xpbar-track{background-color:var(--color-bg-tertiary);border-radius:var(--radius-full);height:8px;overflow:hidden}.xpbar-fill{background:linear-gradient(90deg, var(--color-xp), var(--color-accent));border-radius:var(--radius-full);height:100%;transition:width .6s cubic-bezier(.4,0,.2,1)}.mastery-badge{align-items:center;gap:var(--space-1);border-radius:var(--radius-full);border:1px solid;font-weight:700;display:inline-flex}.mastery-badge--md{font-size:var(--text-sm);padding:var(--space-1) var(--space-3)}.mastery-badge--sm{font-size:var(--text-xs);padding:2px var(--space-2)}.mastery--novice{background-color:var(--color-bg-secondary);border-color:var(--color-border);color:var(--color-text-muted)}.mastery--developing{background-color:var(--color-info-light);border-color:var(--color-info);color:var(--color-info)}.mastery--proficient{background-color:var(--color-warning-light);border-color:var(--color-warning);color:var(--color-warning)}.mastery--mastered{background-color:var(--color-primary-light);border-color:var(--color-primary);color:var(--color-primary)}.exercise-mc{gap:var(--space-5);flex-direction:column;display:flex}.exercise-question{font-size:var(--text-xl);color:var(--color-text);font-weight:700;line-height:1.5}.exercise-hint{font-size:var(--text-sm);color:var(--color-text-muted);background-color:var(--color-warning-light);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);border:1px solid var(--color-warning)}.exercise-hint summary{cursor:pointer;color:var(--color-warning);font-weight:600;list-style:none}.exercise-hint summary::-webkit-details-marker{display:none}.exercise-hint p{margin:var(--space-2) 0 0;color:var(--color-text-muted)}.exercise-options{gap:var(--space-3);flex-direction:column;display:flex}.exercise-option{align-items:center;gap:var(--space-4);padding:var(--space-4) var(--space-5);background-color:var(--color-bg);border:2px solid var(--color-border);border-radius:var(--radius-lg);text-align:left;cursor:pointer;font-size:var(--text-base);color:var(--color-text);transition:border-color var(--transition-fast), background-color var(--transition-fast);width:100%;display:flex}.exercise-option:hover:not(:disabled){border-color:var(--color-primary);background-color:var(--color-primary-light)}.exercise-option--selected{border-color:var(--color-primary)!important;background-color:var(--color-primary-light)!important}.exercise-option--correct{border-color:var(--color-success)!important;background-color:var(--color-success-light)!important}.exercise-option--wrong{border-color:var(--color-danger)!important;background-color:var(--color-danger-light)!important}.exercise-option--dim{opacity:.45}.exercise-option-letter{border-radius:var(--radius-full);background-color:var(--color-bg-tertiary);width:30px;height:30px;font-size:var(--text-xs);color:var(--color-text-muted);flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:flex}.exercise-option-text{flex:1}.exercise-option-tick{color:var(--color-success);font-weight:700}.exercise-option-cross{color:var(--color-danger);font-weight:700}.exercise-submit-btn{align-self:flex-start}.exercise-feedback{gap:var(--space-4);padding:var(--space-5);border-radius:var(--radius-lg);border:1px solid;display:flex}.exercise-feedback--correct{background-color:var(--color-success-light);border-color:var(--color-success)}.exercise-feedback--wrong{background-color:var(--color-danger-light);border-color:var(--color-danger)}.exercise-feedback-icon{flex-shrink:0;font-size:1.5rem}.exercise-feedback-title{font-weight:700;font-size:var(--text-base);color:var(--color-text);margin-bottom:var(--space-2)}.exercise-feedback-explanation{font-size:var(--text-sm);color:var(--color-text-muted);margin:0;line-height:1.7}.math-graph-wrapper{border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface);overflow:hidden}.math-graph{width:100%}.math-graph--loading{background:linear-gradient(90deg, var(--color-bg-secondary) 25%, var(--color-bg-tertiary) 50%, var(--color-bg-secondary) 75%);background-size:200% 100%;animation:1.2s ease-in-out infinite math-graph-shimmer}@keyframes math-graph-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.forge-loading{justify-content:center;align-items:center;gap:var(--space-5);min-height:calc(100vh - 60px);color:var(--color-text-muted);background-color:var(--color-bg-secondary);background-image:var(--gradient-mesh);flex-direction:column;display:flex}@keyframes spin{to{transform:rotate(360deg)}}.forge-loading-spinner{border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;width:44px;height:44px;animation:.75s linear infinite spin}.forge-mode{background-color:var(--color-bg-secondary);background-image:var(--gradient-mesh);flex-direction:column;min-height:calc(100vh - 60px);display:flex}.forge-header{padding:var(--space-4) var(--space-6);background-color:var(--navbar-bg);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);z-index:50;justify-content:space-between;align-items:center;display:flex;position:sticky;top:60px}.forge-progress-dots{gap:var(--space-2);align-items:center;display:flex}.forge-dot{background-color:var(--color-border);width:10px;height:10px;transition:background-color var(--transition-base), transform var(--transition-fast);border-radius:50%}.forge-dot--done{background-color:var(--color-success);box-shadow:0 0 8px #05966966}.forge-dot--active{background-color:var(--color-primary);transform:scale(1.25);box-shadow:0 0 10px #6366f180}.forge-xp-counter{font-size:var(--text-sm);color:var(--color-xp);background-color:var(--color-xp-light);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);border:1px solid #ca8a0433;font-weight:700}.forge-xpbar{padding:var(--space-4) var(--space-6);width:100%;max-width:680px;margin:0 auto}.forge-body{padding:var(--space-8) var(--space-4) var(--space-12);flex:1;justify-content:center;align-items:flex-start;display:flex}.forge-card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-8) var(--space-8);gap:var(--space-6);width:100%;max-width:680px;box-shadow:var(--shadow-lg);flex-direction:column;display:flex}.forge-q-meta{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted);font-weight:700}.forge-question{font-size:clamp(var(--text-xl), 3vw, var(--text-2xl));letter-spacing:-.02em;color:var(--color-text);font-weight:700;line-height:1.35}.forge-options{gap:var(--space-3);flex-direction:column;display:flex}.forge-option{align-items:center;gap:var(--space-4);padding:var(--space-4) var(--space-5);background-color:var(--color-bg);border:2px solid var(--color-border);border-radius:var(--radius-lg);text-align:left;cursor:pointer;font-size:var(--text-base);color:var(--color-text);transition:border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);font-family:inherit;display:flex}.forge-option:hover:not(:disabled){border-color:var(--color-primary);background-color:var(--color-primary-light);box-shadow:var(--shadow-sm)}.forge-option--selected{border-color:var(--color-primary);background-color:var(--color-primary-light);box-shadow:0 0 0 1px var(--color-primary)}.forge-option--correct{border-color:var(--color-success);background-color:var(--color-success-light);color:var(--color-success)}.forge-option--wrong{border-color:var(--color-danger);background-color:var(--color-danger-light);color:var(--color-danger)}.forge-option--dim{opacity:.45}.forge-option-letter{border-radius:var(--radius-full);background-color:var(--color-bg-tertiary);width:32px;height:32px;font-size:var(--text-xs);flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:flex}.forge-option--selected .forge-option-letter,.forge-option--correct .forge-option-letter{color:var(--color-surface);background-color:currentColor}.forge-feedback{gap:var(--space-4);padding:var(--space-5);border-radius:var(--radius-lg);border:1px solid;animation:.3s fadeIn;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.forge-feedback--correct{background-color:var(--color-success-light);border-color:var(--color-success)}.forge-feedback--wrong{background-color:var(--color-danger-light);border-color:var(--color-danger)}.forge-feedback-icon{flex-shrink:0;font-size:1.5rem}.forge-feedback-title{font-weight:700;font-size:var(--text-base);color:var(--color-text);margin-bottom:var(--space-2)}.forge-feedback-explanation{font-size:var(--text-sm);color:var(--color-text-muted);margin:0;line-height:1.65}.forge-next-btn{align-self:flex-end}.forge-complete{min-height:calc(100vh - 60px);padding:var(--space-6);background-color:var(--color-bg-secondary);background-image:var(--gradient-hero);justify-content:center;align-items:center;display:flex}.forge-complete-card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-12) var(--space-10);text-align:center;align-items:center;gap:var(--space-5);width:100%;max-width:480px;box-shadow:var(--shadow-lg);flex-direction:column;display:flex}.forge-complete-icon{filter:drop-shadow(0 4px 12px #6366f14d);font-size:4.5rem;line-height:1}.forge-complete-card h1{font-size:var(--text-3xl);letter-spacing:-.03em;color:var(--color-text);font-weight:800}.forge-complete-subtitle{font-size:var(--text-lg);color:var(--color-text-muted);margin:0;line-height:1.6}.forge-complete-stats{gap:var(--space-8);padding:var(--space-6);background-color:var(--color-bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--color-border);justify-content:center;width:100%;display:flex}.forge-stat{align-items:center;gap:var(--space-1);flex-direction:column;display:flex}.forge-stat-value{font-size:var(--text-2xl);background:linear-gradient(135deg, var(--color-primary), var(--color-accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:800}.forge-stat-label{font-size:var(--text-xs);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.06em;font-weight:600}.forge-complete-actions{gap:var(--space-3);flex-wrap:wrap;justify-content:center;width:100%;display:flex}.forge-phase-label{align-items:center;gap:var(--space-3);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted);font-weight:700;display:flex}.forge-xp-pill{font-size:var(--text-xs);color:var(--color-xp);background-color:var(--color-xp-light);padding:3px var(--space-3);border-radius:var(--radius-full);font-weight:700}.forge-concept-explanation{font-size:var(--text-base);color:var(--color-text-muted);margin:0;line-height:1.8}.forge-exercise-loading{align-items:center;gap:var(--space-3);color:var(--color-text-muted);font-size:var(--text-sm);padding:var(--space-4) 0;display:flex}.forge-error{padding:var(--space-4);background-color:var(--color-danger-light);color:var(--color-danger);border:1px solid var(--color-danger);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:500}.career-explorer{padding:var(--space-10) 0 var(--space-16);background-color:var(--color-bg);background-image:var(--gradient-mesh);background-attachment:fixed;min-height:calc(100vh - 60px);overflow-x:clip}.career-explorer .container{box-sizing:border-box;width:100%;max-width:100%}.explorer-header{text-align:center;margin-bottom:var(--space-10);padding-top:var(--space-2)}.explorer-title{font-size:clamp(var(--text-3xl), 4vw, var(--text-4xl));letter-spacing:-.03em;color:var(--color-text);margin-bottom:var(--space-3);font-weight:800}.explorer-subtitle{font-size:var(--text-lg);color:var(--color-text-muted);max-width:560px;margin:0 auto;line-height:1.65}.explorer-controls{gap:var(--space-4);margin-bottom:var(--space-8);padding:var(--space-5);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);flex-wrap:wrap;align-items:center;display:flex}.explorer-search{min-width:220px;padding:var(--space-3) var(--space-4) var(--space-3) var(--space-10);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85zm-5.242 1.06a5 5 0 1 1 0-10 5 5 0 0 1 0 10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:var(--space-4) center;flex:1}.explorer-sort{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.explorer-sort-label{font-size:var(--text-sm);color:var(--color-text-muted);white-space:nowrap;font-weight:600}.careers-grid{gap:var(--space-5);display:grid}.career-card{gap:var(--space-4);box-sizing:border-box;flex-direction:column;width:100%;min-width:0;max-width:100%;height:100%;display:flex}.career-card-top{justify-content:space-between;align-items:flex-start;gap:var(--space-2);flex-wrap:wrap;display:flex}.career-subject-tag{font-size:var(--text-xs);color:var(--color-text-muted);background-color:var(--color-bg-secondary);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);border:1px solid var(--color-border);font-weight:600}.career-title{font-size:var(--text-xl);letter-spacing:-.02em;color:var(--color-text);text-align:center;width:100%;margin:0;font-weight:700;line-height:1.3}.career-salaries{padding:var(--space-4);background-color:var(--color-bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--color-border-subtle);align-items:stretch;gap:0;display:flex}.career-salary-item{gap:var(--space-1);padding:0 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var(--transition-base);margin:0;line-height:1.6}#root{min-height:100vh}.app-shell{flex-direction:column;min-height:100vh;display:flex}.app-main{flex-direction:column;flex:1;min-width:0;display:flex}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;color:var(--color-text);margin:0;font-weight:700;line-height:1.25}p{margin:0 0 var(--space-4)}p:last-child{margin-bottom:0}a{color:var(--color-primary);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-primary-hover);text-decoration:underline}img,svg{max-width:100%;display:block}button,input,textarea,select{font-family:inherit}::selection{background-color:var(--color-primary-light);color:var(--color-primary)}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.container{width:100%;max-width:var(--container-max);padding:0 var(--space-6);margin:0 auto}.page-shell{background-color:var(--color-bg);background-image:var(--gradient-mesh);background-attachment:fixed;min-height:calc(100vh - 60px)}.page-header{text-align:center;margin-bottom:var(--space-10);padding-top:var(--space-2)}.page-header h1{font-size:clamp(var(--text-3xl), 4vw, var(--text-4xl));letter-spacing:-.03em;margin-bottom:var(--space-3);font-weight:800}.page-header p{font-size:var(--text-lg);color:var(--color-text-muted);max-width:560px;margin:0 auto;line-height:1.65}.tab-bar{gap:var(--space-1);border-bottom:1px solid var(--color-border);margin-bottom:var(--space-8);scrollbar-width:none;display:flex;overflow-x:auto}.tab-bar::-webkit-scrollbar{display:none}.tab-btn{padding:var(--space-3) var(--space-5);font-size:var(--text-sm);color:var(--color-text-muted);cursor:pointer;white-space:nowrap;transition:color var(--transition-fast), border-color var(--transition-fast);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;font-family:inherit;font-weight:600}.tab-btn:hover{color:var(--color-text)}.tab-btn--active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.state-panel{text-align:center;padding:var(--space-12) var(--space-6);color:var(--color-text-muted);font-size:var(--text-lg);background-color:var(--color-surface);border:1px dashed var(--color-border);border-radius:var(--radius-xl)}.careers-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,17.5rem),1fr));justify-items:stretch;width:100%;max-width:100%;margin-inline:auto}.careers-grid>*{min-width:0;max-width:100%}@media (width<=768px){.container{padding:0 var(--space-4)}}@media (width<=640px){.careers-grid{justify-items:center;gap:var(--space-4);grid-template-columns:1fr}.careers-grid .career-card{width:100%;max-width:100%}}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);font-size:var(--text-sm);border-radius:var(--radius-md);cursor:pointer;white-space:nowrap;transition:background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);-webkit-user-select:none;user-select:none;border:1px solid #0000;font-weight:600;line-height:1;text-decoration:none;display:inline-flex}.btn:hover{text-decoration:none}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-primary{background:linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);color:#fff;box-shadow:var(--shadow-sm), 0 2px 8px #6366f159;border-color:#0000}.btn-primary:hover{color:#fff;box-shadow:var(--shadow-glow);filter:brightness(1.06)}[data-theme=dark] .btn-primary{box-shadow:var(--shadow-sm), 0 2px 12px #818cf84d}.btn-secondary{background-color:var(--color-surface);color:var(--color-text);border-color:var(--color-border);box-shadow:var(--shadow-sm)}.btn-secondary:hover{color:var(--color-text);background-color:var(--color-bg-secondary);border-color:var(--color-primary)}.btn-ghost{color:var(--color-text-muted);background-color:#0000;border-color:#0000}.btn-ghost:hover{color:var(--color-text);background-color:var(--color-bg-secondary)}.btn-sm{padding:var(--space-2) var(--space-3);font-size:var(--text-xs);border-radius:var(--radius-sm)}.btn-lg{padding:var(--space-4) var(--space-8);font-size:var(--text-base);border-radius:var(--radius-lg)}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);box-shadow:var(--shadow-sm);box-sizing:border-box;max-width:100%;transition:border-color var(--transition-fast), box-shadow var(--transition-base), transform var(--transition-base)}.card-hover{cursor:pointer}.card-hover:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-hover:active{transform:translateY(0)}.card-hover:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}@media (width<=640px){.card{padding:var(--space-4)}.card-hover:hover{transform:none}}.badge{align-items:center;gap:var(--space-1);padding:3px var(--space-3);font-size:var(--text-xs);border-radius:var(--radius-full);white-space:nowrap;letter-spacing:.02em;font-weight:700;line-height:1.3;display:inline-flex}.badge-primary{background-color:var(--color-primary-light);color:var(--color-primary)}.badge-success{background-color:var(--color-success-light);color:var(--color-success)}.badge-info{background-color:var(--color-info-light);color:var(--color-info)}.badge-warning{background-color:var(--color-warning-light);color:var(--color-warning)}.badge-danger{background-color:var(--color-danger-light);color:var(--color-danger)}.badge-accent{background-color:var(--color-accent-light);color:var(--color-accent)}.badge-xp{background-color:var(--color-xp-light);color:var(--color-xp)}.badge-rare,.badge-badge-rare{color:var(--color-badge-rare);background:linear-gradient(135deg,#9333ea26,#8b5cf61a);border:1px solid #9333ea40}.badge-epic,.badge-badge-epic{color:var(--color-badge-epic);background:linear-gradient(135deg,#db277726,#ec48991a);border:1px solid #db277740}