:root{--cowdi-primary: #FF6B9D;--cowdi-primary-dark: #E0527E;--cowdi-primary-light: #FF8FB8;--cowdi-secondary: #4ECDC4;--cowdi-bg: #FFF8F0;--font: "Nunito", -apple-system, BlinkMacSystemFont, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font)!important;background-color:var(--cowdi-bg)}.text-cowdi-primary,.text-cowdi{color:var(--cowdi-primary)!important}.bg-cowdi-primary{background-color:var(--cowdi-primary)!important}.btn-cowdi-primary{background:var(--cowdi-primary);border-color:var(--cowdi-primary);color:#fff;font-weight:700}.btn-cowdi-primary:hover,.btn-cowdi-primary:focus{background:var(--cowdi-primary-dark);border-color:var(--cowdi-primary-dark);color:#fff}.btn-outline-cowdi{border:2px solid var(--cowdi-primary);color:var(--cowdi-primary);background:transparent;font-weight:700}.btn-outline-cowdi:hover{background:var(--cowdi-primary);color:#fff;border-color:var(--cowdi-primary)}.progress-bar-cowdi{background:linear-gradient(90deg,var(--cowdi-primary),var(--cowdi-primary-light))}.level-badge-lg{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--cowdi-primary),#A29BFE);color:#fff;font-weight:800;font-size:1.1rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}.bg-cowdi-gradient{background:linear-gradient(135deg,var(--cowdi-primary),#A29BFE)!important}.card-hover{transition:transform .2s ease,box-shadow .2s ease}.card-hover:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000001f!important}.card-header-level{height:6px;border-radius:0}.card-header-level.beginner{background:#00b894}.card-header-level.intermediate{background:#fdcb6e}.card-header-level.advanced{background:#ff7675}.badge-level-beginner{background-color:#e0f8f1!important;color:#00b894!important}.badge-level-intermediate{background-color:#fff4d4!important;color:#e17055!important}.badge-level-advanced{background-color:#ffe0e0!important;color:#d63031!important}.navbar .nav-link.active{color:var(--cowdi-primary)!important;font-weight:700}.navbar .nav-link:hover{color:var(--cowdi-primary)}.fade-in{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.quiz-option-btn{padding:.75rem 1rem;font-weight:600;font-size:.95rem;text-align:left;transition:all .15s ease}.quiz-option-btn:not(:disabled):hover{transform:translate(4px)}.timer-warning{color:#ff7675;font-weight:800;animation:pulse .8s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.toast-container-fixed{position:fixed;top:76px;right:1rem;z-index:9999}.flashcard-wrapper{width:100%;max-width:460px;height:260px;perspective:1000px;cursor:pointer}.flashcard-inner{width:100%;height:100%;position:relative;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1)}.flashcard-inner.flipped{transform:rotateY(180deg)}.flashcard-front,.flashcard-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:16px!important;padding:2rem;display:flex;flex-direction:column;align-items:center;justify-content:center}.flashcard-front{background:linear-gradient(135deg,#ff6b9d,#ff8fb8);color:#fff}.flashcard-back{background:#fff;transform:rotateY(180deg);border:3px solid #FF8FB8}.cowdi-chat-btn{position:fixed;bottom:2rem;right:2rem;width:60px;height:60px;border-radius:50%;font-size:1.8rem;background:linear-gradient(135deg,#ff6b9d,#a29bfe);color:#fff;border:none;cursor:pointer;box-shadow:0 4px 16px #00000040;z-index:1050;display:flex;align-items:center;justify-content:center;transition:transform .2s ease}.cowdi-chat-btn:hover{transform:scale(1.1)}.cowdi-chat-bubble{position:fixed;bottom:5.5rem;right:2rem;background:#fff;border-radius:16px;padding:1rem 1.25rem;max-width:280px;box-shadow:0 4px 20px #00000026;z-index:1050;border-left:4px solid #FF6B9D;animation:fadeInUp .2s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.navbar .nav-link.active{color:var(--cowdi-primary)!important}.cowdi-dropdown-menu{border-radius:14px!important;border:2px solid #FFE0EB!important;box-shadow:0 8px 24px #ff6b9d1f!important;padding:6px!important;min-width:170px;animation:fadeInUp .15s ease}@media (min-width: 992px){.navbar .nav-item.dropdown{position:relative}.navbar .nav-item.dropdown:hover>.dropdown-menu{display:block;margin-top:0}.navbar .nav-item.dropdown>.dropdown-toggle:after{transition:transform .2s}.navbar .nav-item.dropdown:hover>.dropdown-toggle:after{transform:rotate(180deg)}}.cowdi-dropdown-menu .dropdown-item{border-radius:10px;font-weight:600;padding:8px 14px;font-size:.88rem;transition:background .15s,color .15s}.cowdi-dropdown-menu .dropdown-item:hover,.cowdi-dropdown-menu .dropdown-item.active{background:#fff0f5;color:var(--cowdi-primary)}.cowdi-dropdown-menu .dropdown-divider{border-color:#ffe0eb;margin:4px 8px}.cowdi-bottom-nav{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:2px solid #FFE0EB;display:flex;justify-content:space-around;padding:4px 0 calc(4px + env(safe-area-inset-bottom,0px));z-index:1040;box-shadow:0 -4px 16px #0000000f}.bottom-tab{display:flex;flex-direction:column;align-items:center;text-decoration:none;color:#bbb;padding:2px 4px;flex:1;position:relative;transition:color .2s;-webkit-tap-highlight-color:transparent;background:none;border:none;outline:none;font-family:inherit;cursor:pointer}.bottom-tab.active,.bottom-tab.open{color:var(--cowdi-primary)}.bottom-tab.active:before{content:"";position:absolute;top:-2px;left:50%;transform:translate(-50%);width:26px;height:3px;background:var(--cowdi-primary);border-radius:0 0 4px 4px}.bottom-tab-icon{font-size:1.45rem;line-height:1;transition:transform .15s;display:flex;align-items:center;justify-content:center}.bottom-tab.active .bottom-tab-icon{transform:scale(1.15)}.bottom-tab:active .bottom-tab-icon{transform:scale(.88)}.bottom-tab-label{font-size:.6rem;font-weight:700;margin-top:1px;letter-spacing:.02em}.bottom-popup-menu{position:absolute;bottom:100%;left:8px;right:8px;background:#fff;border-radius:16px;border:2px solid #FFE0EB;box-shadow:0 -8px 28px #ff6b9d26;padding:8px;display:flex;flex-wrap:wrap;gap:6px;animation:popupSlideUp .18s ease-out;margin-bottom:6px}@keyframes popupSlideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.bottom-popup-item{display:flex;align-items:center;gap:8px;flex:1 1 calc(50% - 6px);min-width:0;padding:10px 12px;border-radius:12px;border:none;background:#fff8f0;font-weight:600;font-size:.88rem;color:#555;cursor:pointer;transition:background .15s,color .15s,transform .1s;-webkit-tap-highlight-color:transparent;font-family:inherit}.bottom-popup-item:active{transform:scale(.96)}.bottom-popup-item.active{background:var(--cowdi-primary);color:#fff}.bottom-popup-item:not(.active):hover{background:#ffe8f0;color:var(--cowdi-primary)}.bottom-popup-icon{font-size:1.2rem;flex-shrink:0}.bottom-popup-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width: 991.98px){main.container{padding-bottom:72px!important}.cowdi-chat-btn{bottom:5.5rem!important}.cowdi-chat-bubble{bottom:9rem!important}}.streak-calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.calendar-day{aspect-ratio:1;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:600;background:#f0f0f0;color:#999}.calendar-day.active{background:linear-gradient(135deg,#ff6b9d,#ff8fb8);color:#fff}.calendar-day.today{outline:2px solid #FF6B9D;outline-offset:2px;color:#ff6b9d;font-weight:800}.calendar-day.active.today{color:#fff}.vocab-stat-bar{display:flex;height:32px;border-radius:16px;overflow:hidden;margin-bottom:1rem;background:#eee}.vocab-bar-fill{display:flex;align-items:center;justify-content:center;color:#fff;font-size:.78rem;font-weight:700;min-width:0;transition:width .5s ease}.vocab-bar-fill.learned{background:#00b894}.vocab-bar-fill.learning{background:#fdcb6e;color:#333}.vocab-bar-fill.new{background:#b2bec3}.correct-flash{animation:correctFlash .6s ease}@keyframes correctFlash{0%{box-shadow:0 0 #00b89499}50%{box-shadow:0 0 0 12px #00b89433;background-color:#e6fff9}to{box-shadow:0 0 #00b89400}}.correct-pop{animation:correctPop .4s ease}@keyframes correctPop{0%{transform:scale(1)}50%{transform:scale(1.06)}to{transform:scale(1)}}.wrong-shake{animation:wrongShake .4s ease}@keyframes wrongShake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.bounce-in{animation:bounceIn .6s ease}@keyframes bounceIn{0%{transform:scale(.3);opacity:0}50%{transform:scale(1.1)}70%{transform:scale(.9)}to{transform:scale(1);opacity:1}}.confetti-particle{position:absolute;top:0;pointer-events:none;animation:confettiFall 1.6s ease forwards;z-index:10}@keyframes confettiFall{0%{opacity:1;transform:translateY(-20px) rotate(0)}to{opacity:0;transform:translateY(260px) rotate(720deg)}}.vocab-card{transition:transform .2s ease,box-shadow .2s ease;border-left:4px solid transparent}.vocab-card:hover{border-left-color:var(--cowdi-primary)}.skill-card{transition:transform .15s,box-shadow .15s}.skill-card:hover{transform:translateY(-3px);box-shadow:0 6px 16px #0000001f!important}@media (max-width: 767px){.learning-path .d-flex{flex-direction:column!important;align-items:center!important}.learning-path .d-flex>div:last-child:not(.card):not(.rounded-circle){display:none!important}.learning-path .d-flex>div:first-child{order:2;width:100%}.learning-path .d-flex>.rounded-circle{order:1}}.vocab-mindmap{text-align:center}.mindmap-center{margin-bottom:1.5rem}.mindmap-hub{display:inline-block;font-size:2.5rem;background:linear-gradient(135deg,var(--cowdi-primary),var(--cowdi-secondary));color:#fff;border-radius:50%;width:100px;height:100px;line-height:1;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 4px 20px #ff6b9d4d}.mindmap-hub small{font-size:.7rem;font-weight:700}.mindmap-branches{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem}.mindmap-node{background:#fff;border-radius:16px;padding:1rem;width:150px;cursor:pointer;box-shadow:0 2px 12px #00000014;border:2px solid transparent;transition:transform .2s,box-shadow .2s,border-color .2s;position:relative}.mindmap-node:hover{transform:translateY(-4px);box-shadow:0 6px 20px #0000001f;border-color:var(--node-color)}.mindmap-node-icon{font-size:2rem;margin-bottom:.3rem}.mindmap-node-label{font-weight:700;font-size:.95rem;color:var(--node-color)}.mindmap-node-sub{font-size:.75rem;color:#888}.mindmap-node-count{font-size:.7rem;color:#aaa;margin-top:.25rem}.mindmap-progress{height:4px;background:#eee;border-radius:2px;margin-top:.5rem;overflow:hidden}.mindmap-progress-bar{height:100%;background:var(--node-color);border-radius:2px;transition:width .3s}.subtopic-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px #0000001a!important}@media (max-width: 575px){.mindmap-node{width:130px;padding:.75rem}.mindmap-hub{width:80px;height:80px;font-size:2rem}}.pet-display-card{background:#fff;border-radius:24px;overflow:hidden;box-shadow:0 4px 20px #0000000f}.pet-stage-container{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2.5rem 2rem 1.5rem;min-height:220px;background:linear-gradient(160deg,#fff8e1,#ffecb3 30%,#ffe0b2 70%,#fff3e0);border-radius:0 0 40px 40px;transition:background .5s ease}.pet-stage-container.happy{background:linear-gradient(160deg,#e8f5e9,#fff9c4 40%,#ffecb3,#fff8e1)}.pet-stage-container.sad{background:linear-gradient(160deg,#e3f2fd,#e8eaf6 40%,#f3e5f5,#ede7f6)}.pet-stage-container.sick{background:linear-gradient(160deg,#fbe9e7,#ffccbc 40%,#ffe0b2,#fff3e0)}.pet-image-wrapper{position:relative;z-index:2;animation:petFloat 3s ease-in-out infinite}.pet-character-img{max-width:160px;max-height:200px;width:auto;height:auto;object-fit:contain;filter:drop-shadow(0 8px 16px rgba(0,0,0,.1));transition:transform .3s ease}.pet-character-img:hover{transform:scale(1.08)}@media (max-width: 576px){.pet-character-img{max-width:120px;max-height:160px}}.pet-emoji-fallback{font-size:6rem;line-height:1}.pet-stage-container.sad .pet-image-wrapper{animation:petSadFloat 3s ease-in-out infinite}.pet-stage-container.sick .pet-image-wrapper{animation:none;opacity:.65}.pet-floating-decor{position:absolute;top:0;left:0;right:0;bottom:0;pointer-events:none;overflow:hidden}.pet-effect-icon{position:absolute;top:12px;right:16px;font-size:1.6rem;animation:effectSparkle 2.5s ease-in-out infinite}.pet-hat-img{position:absolute;top:10px;left:50%;transform:translate(-50%);font-size:2.2rem;z-index:3}.pet-outfit-badge{font-size:1.5rem;margin-top:-6px;z-index:3}.pet-mood-indicator{position:absolute;bottom:14px;right:18px;font-size:1.4rem;background:#fff;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #0000001a}.pet-info-section{padding:1.25rem 1.5rem 1.5rem;text-align:center}.pet-name-area{margin-bottom:.5rem}.pet-name{font-size:1.5rem;font-weight:800;color:#333;margin:0}.pet-name-input{max-width:160px;border-radius:12px;border:2px solid var(--cowdi-primary, #FF9800);text-align:center;font-weight:600}.pet-badges{display:flex;justify-content:center;gap:6px;flex-wrap:wrap;margin-bottom:.4rem}.pet-badge{font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:20px}.pet-badge-power{background:#263238;color:#ffd54f}.pet-evolution-label{font-size:.82rem;color:#888;margin-bottom:.75rem}.pet-speech-bubble{position:relative;max-width:300px;margin:0 auto;background:linear-gradient(135deg,#fff8e1,#fff3e0);border-radius:16px;padding:.75rem 1rem;font-size:.88rem;color:#5d4037;box-shadow:0 2px 10px #ff98001f}.pet-speech-arrow{position:absolute;top:-8px;left:50%;transform:translate(-50%);width:0;height:0;border-left:8px solid transparent;border-right:8px solid transparent;border-bottom:8px solid #FFF8E1}.pet-section-card{background:#fff;border-radius:20px;padding:1.25rem;box-shadow:0 2px 12px #0000000d}.pet-section-header{display:flex;align-items:center;gap:8px;font-size:1rem;font-weight:700;color:#333;margin-bottom:1rem}.pet-section-icon{font-size:1.2rem}.pet-evo-preview{display:flex;align-items:center;gap:10px;margin-bottom:.75rem}.pet-evo-next-img{max-width:48px;max-height:56px;width:auto;height:auto;object-fit:contain;border-radius:12px;background:#fff8e1;padding:4px}.pet-evo-next-emoji{font-size:2rem}.pet-evo-next-name{font-weight:600;font-size:.9rem;color:#555}.pet-progress-bar{height:10px;background:#f0f0f0;border-radius:10px;overflow:hidden;margin-bottom:4px}.pet-progress-fill{height:100%;background:linear-gradient(90deg,#ffb74d,#ff9800,#f57c00);border-radius:10px;transition:width .6s ease}.pet-progress-text{font-size:.78rem;color:#888;text-align:right}.pet-needs-grid{display:flex;flex-direction:column;gap:10px}.pet-need-item{display:flex;align-items:center;gap:10px}.pet-need-icon{font-size:1.4rem;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:#f5f5f5;border-radius:10px;flex-shrink:0}.pet-need-info{flex:1;min-width:0}.pet-need-label{display:flex;justify-content:space-between;font-size:.82rem;font-weight:600;color:#555;margin-bottom:3px}.pet-need-critical{color:#ef5350!important;font-weight:700;animation:needPulse 1s ease-in-out infinite}.pet-need-bar{height:8px;background:#f0f0f0;border-radius:8px;overflow:hidden}.pet-need-fill{height:100%;border-radius:8px;transition:width .5s ease}.pet-skills-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.pet-skill-card{text-align:center;padding:12px 8px;border-radius:14px;background:color-mix(in srgb,var(--skill-color, #888) 8%,white);border:1.5px solid color-mix(in srgb,var(--skill-color, #888) 15%,transparent);transition:transform .2s ease}.pet-skill-card:hover{transform:translateY(-2px)}.pet-skill-icon{font-size:1.6rem;margin-bottom:2px}.pet-skill-level{font-size:.88rem;font-weight:700;color:var(--skill-color, #888)}.pet-skill-name{font-size:.7rem;color:#888;margin-bottom:4px}.pet-skill-bar{height:4px;background:#eee;border-radius:4px;overflow:hidden;margin:0 4px}.pet-skill-fill{height:100%;background:var(--skill-color, #888);border-radius:4px;transition:width .4s ease}.pet-skill-pts{font-size:.65rem;color:#aaa;margin-top:2px}.pet-badge-done{font-size:.7rem;font-weight:600;background:#c8e6c9;color:#2e7d32;padding:2px 8px;border-radius:12px;margin-left:auto}.pet-quest-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;background:#fafafa;margin-bottom:8px;transition:background .2s ease}.pet-quest-item.done{background:#e8f5e9}.pet-quest-check{font-size:1.1rem;flex-shrink:0}.pet-quest-info{flex:1;min-width:0}.pet-quest-title{font-size:.85rem;font-weight:600;color:#333}.pet-quest-desc{font-size:.72rem;color:#999}.pet-quest-claim{font-size:.78rem;font-weight:700;padding:4px 12px;border-radius:20px;border:none;background:linear-gradient(135deg,#ffd54f,#ffc107);color:#5d4037;cursor:pointer;white-space:nowrap;transition:transform .15s ease}.pet-quest-claim:hover{transform:scale(1.05)}.pet-quest-reward{font-size:.78rem;color:#bbb;font-weight:600;white-space:nowrap}.pet-quick-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:1.5rem}.pet-action-card{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px 8px;background:#fff;border-radius:16px;box-shadow:0 2px 10px #0000000d;text-decoration:none;color:inherit;transition:transform .2s ease,box-shadow .2s ease}.pet-action-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px #0000001a;color:inherit}.pet-action-icon{font-size:2rem;margin-bottom:4px}.pet-action-label{font-size:.82rem;font-weight:700;color:#333}.pet-action-hint{font-size:.68rem;color:#aaa}.cowdi-chat-img{width:36px;height:36px;object-fit:contain;pointer-events:none}.collection-pet-img{width:auto;height:auto;max-width:64px;max-height:64px;object-fit:contain;filter:drop-shadow(0 2px 6px rgba(0,0,0,.1))}.collection-modal-pet-img{width:auto;height:auto;max-width:120px;max-height:140px;object-fit:contain;filter:drop-shadow(0 4px 12px rgba(0,0,0,.1))}.collection-evo-thumb{width:auto;height:auto;max-width:36px;max-height:36px;object-fit:contain}@keyframes petFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes petSadFloat{0%,to{transform:translateY(0) rotate(0)}25%{transform:translateY(3px) rotate(-2deg)}75%{transform:translateY(3px) rotate(2deg)}}@keyframes effectSparkle{0%,to{transform:scale(1) rotate(0);opacity:.8}50%{transform:scale(1.15) rotate(10deg);opacity:1}}@keyframes needPulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes wordFall{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}.border-cowdi{border-color:var(--cowdi-primary)!important}.modal.d-block{z-index:1060}.list-group-item{transition:background-color .15s ease}@media (max-width: 576px){.pet-character-img{width:120px;height:120px}.pet-emoji-fallback{font-size:4.5rem}.pet-stage-container{padding:2rem 1.5rem 1.2rem;min-height:180px}.pet-quick-actions{grid-template-columns:repeat(2,1fr);gap:8px}.pet-skills-grid{grid-template-columns:repeat(2,1fr)}.pet-speech-bubble{max-width:240px}}