@import url("https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&display=swap");:root{--bg-dark:#faf6f0;--bg-card:#ffffff;--bg-active:#f4edd8;--border-color:#ebdcb9;--color-primary:#f26419;--color-primary-dark:#d6500c;--color-secondary:#adc178;--color-secondary-dark:#98aa6a;--color-accent:#f26419;--color-purple:#709775;--color-error:#e07a5f;--color-orange:#f26419;--text-main:#283618;--text-muted:#7f8c6e;--font-friendly:"Nunito",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--radius-sm:10px;--radius-md:14px;--radius-lg:20px;--shadow-sm:0 1px 3px rgba(40,54,24,0.05);--shadow-md:0 4px 8px -2px rgba(40,54,24,0.08),0 2px 4px -1px rgba(40,54,24,0.04);--shadow-lg:0 12px 20px -5px rgba(40,54,24,0.12),0 5px 8px -3px rgba(40,54,24,0.06)}*{box-sizing:border-box;margin:0;padding:0;font-family:var(--font-friendly);-webkit-tap-highlight-color:transparent}body{background-color:var(--bg-dark);color:var(--text-main);overflow-x:hidden;font-size:16px;font-weight:600}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:#94a3b8}h1,h2,h3,h4,h5,h6{font-weight:800;letter-spacing:-.015em;color:var(--text-main)}a{color:inherit;text-decoration:none}.btn-3d{display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem;padding:11px 22px;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);-webkit-user-select:none;-moz-user-select:none;user-select:none;box-shadow:var(--shadow-sm)}.btn-primary{background-color:var(--color-primary);color:white}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-dark);transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background-color:var(--color-secondary);color:white}.btn-secondary:hover:not(:disabled){background-color:var(--color-secondary-dark);transform:translateY(-1px)}.btn-accent{background-color:var(--color-accent);color:white}.btn-accent:hover:not(:disabled){background-color:var(--color-primary-dark);transform:translateY(-1px)}.btn-purple{background-color:var(--color-purple);color:white}.btn-purple:hover:not(:disabled){background-color:#5c7f60;transform:translateY(-1px)}.btn-error{background-color:var(--color-error);color:white}.btn-error:hover:not(:disabled){background-color:#c95c43}.btn-outline{background-color:var(--bg-card);color:var(--text-main);border:1px solid #ebdcb9}.btn-outline:hover:not(:disabled){background-color:var(--bg-active);border-color:#d8c495}.btn-3d:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.card-3d{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-md);transition:all .2s ease}.card-3d.interactive{cursor:pointer}.card-3d.interactive:hover{border-color:var(--color-secondary);box-shadow:var(--shadow-lg);transform:translateY(-2px)}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleUp{0%{transform:scale(.96);opacity:0}to{transform:scale(1);opacity:1}}.animate-float{animation:float 3s ease-in-out infinite}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(40,54,24,.2);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .2s ease-out;padding:16px}.modal-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:28px;width:100%;max-width:440px;box-shadow:0 20px 40px -15px rgba(40,54,24,.15);animation:scaleUp .25s cubic-bezier(.16,1,.3,1) forwards;position:relative}.app-container{width:100%}.app-container,.main-content{display:flex;min-height:100vh}.main-content{flex:1 1;flex-direction:column;align-items:center;justify-content:flex-start;background-color:var(--bg-dark);padding:40px 24px 100px}@media (min-width:769px){.main-content{padding-bottom:40px}}.nav-link{display:flex;align-items:center;gap:16px;padding:12px 18px;border-radius:var(--radius-sm);font-size:1rem;font-weight:700;color:var(--text-muted);cursor:pointer;transition:all .2s ease;border:1px solid transparent}.nav-link:hover{background-color:var(--bg-active);color:var(--text-main)}.nav-link.active{background-color:rgba(173,193,120,.12);color:var(--text-main);border-color:rgba(173,193,120,.25)}.sidebar{position:-webkit-sticky;position:sticky;top:0;height:100vh;width:240px;background-color:var(--bg-card);border-right:1px solid var(--border-color);display:flex;flex-direction:column;padding:32px 20px;z-index:999;flex-shrink:0}.logo-container{display:flex;align-items:center;gap:12px;font-size:1.5rem;font-weight:900;color:var(--color-primary);margin-bottom:32px;padding-left:12px}.sidebar-nav{display:flex;flex-direction:column;gap:8px;flex:1 1}.sidebar-stats{display:flex;flex-direction:column;gap:12px;padding:16px 12px;margin-top:16px}.sidebar-footer,.sidebar-stats{border-top:1px solid var(--border-color)}.sidebar-footer{margin-top:auto;padding-top:16px}.page-container{width:100%;max-width:600px;margin:0 auto}@media (max-width:768px){.sidebar{position:fixed;bottom:0;top:auto;left:0;right:0;width:100%;height:72px;flex-direction:row;padding:0 8px;border-right:none;border-top:1px solid var(--border-color);box-shadow:0 -4px 12px rgba(40,54,24,.05);background-color:var(--bg-card)}.logo-container{display:none}.sidebar-nav{flex-direction:row;justify-content:space-around;align-items:center;width:100%;gap:0}.nav-link{padding:8px 10px;font-size:.8rem;flex-direction:column;gap:4px;border:none}.nav-link.active{background-color:transparent;border:none;color:var(--color-primary)}.sidebar-footer,.sidebar-stats{display:none}}.path-node-container{flex-direction:column;margin:36px 0}.path-node,.path-node-container{display:flex;align-items:center;position:relative}.path-node{width:72px;height:72px;border-radius:50%;justify-content:center;cursor:pointer;font-size:1.8rem;z-index:2;transition:all .25s cubic-bezier(.34,1.56,.64,1);border:none}.path-node.locked{background-color:#ebdcb9;color:var(--text-muted);border:1px solid rgba(40,54,24,.15);cursor:not-allowed}.path-node.unlocked{background-color:var(--bg-card);color:var(--color-secondary);border:3px solid var(--color-secondary);box-shadow:var(--shadow-md),0 0 0 4px rgba(173,193,120,.15)}.path-node.unlocked:hover{transform:scale(1.08);box-shadow:var(--shadow-lg),0 0 0 6px rgba(173,193,120,.2)}.path-node.completed{background-color:var(--color-secondary);color:white;border:3px solid var(--color-secondary-dark);box-shadow:var(--shadow-md)}.path-node.completed:hover{transform:scale(1.08);box-shadow:var(--shadow-lg)}.path-connector{width:6px;height:52px;background-color:#ebdcb9;position:absolute;top:-46px;z-index:1;border-radius:3px}.path-connector.completed{background-color:var(--color-secondary)}.quiz-option{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:14px 18px;font-size:1rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow-sm)}.quiz-option:hover:not(.selected){background-color:var(--bg-active);border-color:#d8c495}.quiz-option.selected{border-color:var(--color-secondary);background-color:rgba(173,193,120,.05);color:var(--text-main);box-shadow:0 0 0 1px var(--color-secondary)}.quiz-option.correct{border-color:#adc178;background-color:rgba(173,193,120,.1);color:#283618;box-shadow:0 0 0 1px #adc178}.quiz-option.incorrect{border-color:var(--color-error);background-color:rgba(224,122,95,.1);color:#7b2c18;box-shadow:0 0 0 1px var(--color-error)}.stats-header{justify-content:space-between;padding:12px 24px;background-color:var(--bg-card);border-bottom:1px solid var(--border-color);position:-webkit-sticky;position:sticky;top:0;z-index:100}.stat-item,.stats-header{display:flex;align-items:center}.stat-item{gap:6px;font-weight:700;font-size:1rem}.stat-item.hearts{color:var(--color-error)}.stat-item.streak{color:var(--color-orange)}.stat-item.xp{color:var(--color-secondary)}.progress-bar-container{flex:1 1;height:10px;background-color:var(--bg-active);border-radius:5px;overflow:hidden;margin:0 16px}.progress-bar-fill{height:100%;background:var(--color-secondary);border-radius:5px;transition:width .3s ease}.check-footer{position:fixed;bottom:0;left:0;right:0;background-color:var(--bg-card);border-top:1px solid var(--border-color);padding:20px 24px;display:flex;justify-content:space-between;align-items:center;z-index:1000;box-shadow:0 -4px 15px rgba(40,54,24,.04)}.check-footer.correct{background-color:#f6f8f0;border-color:#d6e2b9}.check-footer.incorrect{background-color:#fdf5f2;border-color:#f7d5cc}.check-footer-text{font-size:1.1rem;font-weight:700;display:flex;flex-direction:column;gap:2px}.check-footer-text.correct{color:#283618}.check-footer-text.incorrect{color:#7b2c18}.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:16px;gap:16px}.text-center{text-align:center}.flex-column{display:flex;flex-direction:column}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-24{gap:24px}.mt-10{margin-top:10px}.mt-20{margin-top:20px}.mt-40{margin-top:40px}.bubble-container{display:flex;align-items:flex-start;gap:16px}.speech-bubble{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px 16px;position:relative;flex:1 1;box-shadow:var(--shadow-sm)}.speech-bubble:before{left:-9px;border-right:8px solid var(--border-color)}.speech-bubble:after,.speech-bubble:before{content:"";position:absolute;top:18px;width:0;height:0;border-top:8px solid transparent;border-bottom:8px solid transparent}.speech-bubble:after{left:-8px;border-right:8px solid var(--bg-card)}.syllabus-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:16px;gap:16px;margin-top:24px;margin-bottom:24px;width:100%}.syllabus-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px;display:flex;flex-direction:column;align-items:center;text-align:center;justify-content:center;min-height:124px;position:relative;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm)}.syllabus-card.completed{border:1px solid var(--color-secondary);background-color:rgba(173,193,120,.08)}.syllabus-card.completed:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);background-color:rgba(173,193,120,.12)}.syllabus-card.unlocked{border:2px solid var(--color-primary);box-shadow:var(--shadow-md),0 0 0 3px rgba(242,100,25,.15)}.syllabus-card.unlocked:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),0 0 0 4px rgba(242,100,25,.2)}.syllabus-card.locked{background-color:#f6f3eb;border-color:#e6dfd3;color:var(--text-muted);cursor:not-allowed;opacity:.85}.syllabus-card-emoji{font-size:2rem;margin-bottom:8px;display:flex;align-items:center;justify-content:center}.syllabus-card-title{font-size:.88rem;font-weight:800;color:var(--text-main);line-height:1.3}.syllabus-card.locked .syllabus-card-title{color:var(--text-muted)}.syllabus-card-badge{position:absolute;top:-8px;background-color:var(--color-primary);color:white;padding:1px 6px;border-radius:10px;font-size:.62rem;font-weight:900;letter-spacing:.05em;box-shadow:var(--shadow-sm);animation:bounce 2s infinite}@media (max-width:768px){.syllabus-grid{grid-template-columns:repeat(2,1fr);gap:12px}.syllabus-card{min-height:100px;padding:12px}.syllabus-card-emoji{font-size:1.6rem}.syllabus-card-title{font-size:.82rem}}