@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap";
:root{--bg-primary:#fbf9f4;--bg-secondary:#fff;--bg-tertiary:#f5f0e6;--bg-card:#fff;--bg-hover:#fff9eb;--border-color:#1a1a1a;--border-hover:#000;--text-primary:#1a1a1a;--text-secondary:#404040;--text-muted:#737373;--text-inverse:#fff;--primary:#ff5e3a;--primary-hover:#e54d2a;--primary-light:#fff0eb;--primary-glow:#ff5e3a26;--secondary:#fbc02d;--secondary-hover:#f9a825;--secondary-light:#fffde7;--success:#10b981;--success-light:#e6fcf5;--error:#ef4444;--error-light:#fee2e2;--warning:#f59e0b;--warning-light:#fef3c7;--font-family:"Outfit", "Space Grotesk", "Inter", sans-serif;--radius-xs:4px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:9999px;--shadow-sm:2px 2px 0px #1a1a1a;--shadow-md:4px 4px 0px #1a1a1a;--shadow-lg:6px 6px 0px #1a1a1a;--shadow-xl:8px 8px 0px #1a1a1a;--shadow-glow:0 0 15px #ff5e3a4d;--glass-bg:#fff;--glass-border:#1a1a1a;--glass-blur:none;--transition-fast:.12s cubic-bezier(.16, 1, .3, 1);--transition-normal:.22s cubic-bezier(.16, 1, .3, 1);--transition-slow:.35s cubic-bezier(.16, 1, .3, 1)}[data-theme=dark]{--bg-primary:#0d0e12;--bg-secondary:#16181f;--bg-tertiary:#202430;--bg-card:#16181f;--bg-hover:#262936;--border-color:#ededf5;--border-hover:#fff;--text-primary:#ededf5;--text-secondary:#c9cdd8;--text-muted:#888e9e;--text-inverse:#0d0e12;--primary:#ff6e4a;--primary-hover:#ff8566;--primary-light:#ff6e4a1f;--primary-glow:#ff6e4a40;--secondary:#ffd54f;--secondary-hover:#ffe082;--secondary-light:#ffd54f1f;--success:#34d399;--success-light:#34d3991f;--error:#f87171;--error-light:#f871711f;--warning:#fbbf24;--warning-light:#fbbf241f;--shadow-sm:2px 2px 0px #ededf5;--shadow-md:4px 4px 0px #ededf5;--shadow-lg:6px 6px 0px #ededf5;--shadow-xl:8px 8px 0px #ededf5;--shadow-glow:0 0 20px #ff6e4a59;--glass-bg:#16181f;--glass-border:#ededf5}
.header{z-index:100;border-bottom:1px solid var(--border-color);width:100%;height:4.5rem;-webkit-backdrop-filter:var(--glass-blur);transition:all var(--transition-normal);background-color:#090d16cc;align-items:center;display:flex;position:sticky;top:0}[data-theme=light] .header{background-color:#fffc}.header-container{justify-content:space-between;align-items:center;width:100%;max-width:1280px;margin:0 auto;padding:0 1.5rem;display:flex}.logo{color:var(--text-primary);letter-spacing:-.03em;align-items:center;gap:.5rem;font-size:1.5rem;font-weight:800;display:flex}.logo-icon{background:linear-gradient(135deg, var(--primary), var(--secondary));border-radius:var(--radius-md);color:#fff;width:2.25rem;height:2.25rem;box-shadow:var(--shadow-glow);justify-content:center;align-items:center;font-size:1.25rem;font-weight:800;display:flex}.nav-links{align-items:center;gap:1.5rem;display:flex}.nav-link{color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast);padding:.5rem .75rem;font-size:.95rem;font-weight:500}.nav-link:hover,.nav-link.active{color:var(--text-primary);background-color:var(--bg-tertiary)}.auth-nav{align-items:center;gap:1rem;display:flex}.user-menu{cursor:pointer;position:relative}.avatar{border-radius:var(--radius-full);object-fit:cover;border:2px solid var(--border-color);width:2.5rem;height:2.5rem;transition:border-color var(--transition-fast)}.avatar:hover{border-color:var(--primary)}.dropdown-menu{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);width:14rem;box-shadow:var(--shadow-lg);z-index:150;flex-direction:column;padding:.5rem 0;display:none;position:absolute;top:calc(100% + .5rem);right:0}.user-menu:hover .dropdown-menu,.dropdown-menu.active{display:flex}.dropdown-item{color:var(--text-secondary);transition:all var(--transition-fast);align-items:center;gap:.75rem;padding:.75rem 1rem;font-size:.9rem;display:flex}.dropdown-item:hover{color:var(--text-primary);background-color:var(--bg-hover)}.dropdown-divider{background-color:var(--border-color);height:1px;margin:.5rem 0}.dropdown-header{text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;padding:.5rem 1rem;font-size:.8rem;font-weight:600}.dashboard-layout{min-height:calc(100vh - 4.5rem);display:flex}.sidebar{border-right:1px solid var(--border-color);background-color:var(--bg-secondary);flex-direction:column;flex-shrink:0;gap:.5rem;width:16rem;padding:1.5rem 1rem;display:flex}.sidebar-link{border-radius:var(--radius-md);color:var(--text-secondary);transition:all var(--transition-fast);align-items:center;gap:.75rem;padding:.75rem 1rem;font-weight:500;display:flex}.sidebar-link:hover{color:var(--text-primary);background-color:var(--bg-tertiary)}.sidebar-link.active{color:var(--primary);background-color:var(--primary-light)}[data-theme=dark] .sidebar-link.active{color:#fff;background-color:var(--primary)}.main-content{background-color:var(--bg-primary);flex-grow:1;padding:2rem;overflow-y:auto}.hero-section{justify-content:space-between;align-items:center;gap:4rem;padding:5rem 0;display:flex}@media (max-width:968px){.hero-section{text-align:center;flex-direction:column;gap:2rem;padding:3rem 0}}.hero-content{flex:1}.hero-title{margin-bottom:1.5rem;font-size:3.5rem;font-weight:800;line-height:1.15}.hero-title span{background:linear-gradient(135deg, var(--primary), var(--secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero-subtitle{color:var(--text-secondary);max-width:32rem;margin-bottom:2rem;font-size:1.2rem}@media (max-width:968px){.hero-subtitle{margin:0 auto 2rem}}.hero-image-container{flex:1;justify-content:center;display:flex;position:relative}.hero-image-glow{background:radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);z-index:1;width:100%;height:100%;position:absolute}.hero-image{border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);border:1px solid var(--border-color);z-index:2;max-width:100%;position:relative;overflow:hidden}.footer{border-top:1px solid var(--border-color);background-color:var(--bg-secondary);color:var(--text-secondary);padding:4rem 0 2rem}.footer-grid{grid-template-columns:2fr repeat(3,1fr);gap:3rem;margin-bottom:3rem;display:grid}@media (max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:2rem}}@media (max-width:480px){.footer-grid{grid-template-columns:1fr;gap:1.5rem}.footer-bottom{text-align:center;flex-direction:column;gap:.75rem}}.footer-info{flex-direction:column;gap:1.25rem;display:flex}.footer-info p{max-width:20rem}.footer-heading{text-transform:uppercase;color:var(--text-primary);letter-spacing:.05em;margin-bottom:1.25rem;font-size:.95rem;font-weight:700}.footer-links{flex-direction:column;gap:.75rem;display:flex}.footer-link{transition:color var(--transition-fast)}.footer-link:hover{color:var(--primary)}.footer-bottom{border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;padding-top:2rem;font-size:.875rem;display:flex}@media (max-width:640px){.footer-bottom{text-align:center;flex-direction:column;gap:1rem}}@media (max-width:768px){.mobile-menu-btn{display:flex!important}.header-container{padding:0 1rem}.logo span{font-size:1.2rem}.logo-icon{width:1.8rem;height:1.8rem;font-size:1rem}.nav-links{background:var(--bg-primary);box-shadow:var(--shadow-lg);z-index:99;flex-direction:column;gap:.25rem;padding:1.5rem;display:none;position:fixed;inset:4.5rem 0 0;overflow-y:auto}.nav-links.mobile-open{display:flex}.nav-link{border-radius:var(--radius-md);width:100%;padding:1rem;font-size:1.1rem}.auth-nav{border-top:1px solid var(--border-color);flex-direction:column;width:100%;margin-top:1rem;padding-top:1rem;gap:.5rem!important}.auth-nav .btn{text-align:center;justify-content:center;width:100%;padding:.75rem 1rem!important;font-size:.9rem!important}.user-menu{width:100%}.dropdown-menu{box-shadow:none;border:none;margin-top:.5rem;width:100%!important;position:static!important}.catalog-container{flex-direction:column!important;grid-template-columns:1fr!important}.filter-sidebar{margin-bottom:1rem;width:100%!important;max-width:100%!important;position:static!important}.main-content{padding:1rem!important}.lesson-sidebar{display:none}.lesson-sidebar.mobile-open{z-index:200;background:var(--bg-secondary);padding:2rem;display:block;position:fixed;inset:0;overflow-y:auto}.admin-table-wrap{-webkit-overflow-scrolling:touch;overflow-x:auto}.dashboard-layout{flex-direction:column}.sidebar{border-right:none;border-bottom:1px solid var(--border-color);z-index:50;flex-wrap:wrap;position:sticky;top:4.5rem;overflow-x:auto;flex-direction:row!important;gap:.35rem!important;width:100%!important;padding:.75rem!important}.sidebar-link{white-space:nowrap;padding:.5rem .85rem!important;font-size:.8rem!important}}@media (max-width:1024px){.container{padding:0 1rem}}
.catalog-container{grid-template-columns:260px 1fr;gap:2.5rem;padding:3rem 0;display:grid}@media (max-width:768px){.catalog-container{grid-template-columns:1fr;gap:1.5rem}}.filter-sidebar{background-color:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-md);height:fit-content;box-shadow:4px 4px 0px var(--border-color);flex-direction:column;gap:1.5rem;padding:1.5rem;display:flex}.filter-group{flex-direction:column;gap:.75rem;display:flex}.filter-title{text-transform:uppercase;color:var(--text-primary);border-bottom:2px solid var(--border-color);padding-bottom:.5rem;font-size:.95rem;font-weight:800}.filter-option{color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:.5rem;font-size:.9rem;font-weight:600;display:flex}.filter-option input[type=checkbox]{border-radius:var(--radius-xs);border:2px solid var(--border-color);width:1.1rem;height:1.1rem;accent-color:var(--primary);cursor:pointer}.course-card{background-color:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-md);height:100%;box-shadow:4px 4px 0px var(--border-color);flex-direction:column;transition:all .15s;display:flex;overflow:hidden}.course-card:hover{box-shadow:7px 7px 0px var(--border-color);transform:translate(-3px,-3px)}.course-card-image{background:linear-gradient(135deg, var(--bg-tertiary), var(--primary-light));border-bottom:2px solid var(--border-color);justify-content:center;align-items:center;width:100%;height:180px;font-size:3.5rem;display:flex;position:relative;overflow:hidden}.course-card-image:after{content:"";background:linear-gradient(#0000 50%,#0006 100%);width:100%;height:100%;position:absolute;top:0;left:0}.course-card-content{flex-direction:column;flex-grow:1;gap:.75rem;padding:1.5rem;display:flex}.course-card-title{color:var(--text-primary);-webkit-line-clamp:2;-webkit-box-orient:vertical;height:2.7rem;font-size:1.15rem;font-weight:700;line-height:1.35;display:-webkit-box;overflow:hidden}.course-card-description{color:var(--text-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;height:2.5rem;margin:0;font-size:.875rem;display:-webkit-box;overflow:hidden}.course-card-meta{color:var(--text-muted);border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-top:auto;padding-top:.75rem;font-size:.8rem;display:flex}.course-card-price{color:var(--primary);font-size:1.2rem;font-weight:800}.course-card-free{color:var(--success);font-size:1.2rem;font-weight:800}.syllabus-container{flex-direction:column;gap:1rem;margin-top:2rem;display:flex}.syllabus-module{border:1px solid var(--border-color);border-radius:var(--radius-md);background-color:var(--bg-secondary);overflow:hidden}.syllabus-module-header{background-color:var(--bg-tertiary);cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:1rem 1.5rem;font-weight:600;display:flex}.syllabus-module-lessons{border-top:1px solid var(--border-color);flex-direction:column;display:flex}.syllabus-lesson-item{border-bottom:1px solid var(--border-color);color:var(--text-secondary);transition:background-color var(--transition-fast);justify-content:space-between;align-items:center;padding:.85rem 1.5rem;font-size:.925rem;display:flex}.syllabus-lesson-item:last-child{border-bottom:none}.syllabus-lesson-item:hover{background-color:var(--bg-hover);color:var(--text-primary)}.syllabus-lesson-link{flex-grow:1;align-items:center;gap:.75rem;display:flex}.learn-layout{grid-template-columns:1fr 340px;height:calc(100vh - 4.5rem);display:grid;overflow:hidden}@media (max-width:1024px){.learn-layout{grid-template-rows:auto 1fr;grid-template-columns:1fr;height:auto;overflow:auto}}.learn-content-pane{flex-direction:column;gap:1.5rem;height:100%;padding:2rem;display:flex;overflow-y:auto}.learn-sidebar-pane{border-left:1px solid var(--border-color);background-color:var(--bg-secondary);flex-direction:column;height:100%;display:flex;overflow:hidden}@media (max-width:1024px){.learn-sidebar-pane{border-left:none;border-top:1px solid var(--border-color);height:500px}}.video-container{aspect-ratio:16/9;border-radius:var(--radius-lg);width:100%;max-height:70vh;box-shadow:var(--shadow-lg);background-color:#000;overflow:hidden}@media (max-width:640px){.video-container{border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}}.video-player{width:100%;height:100%;display:block}.comment-box{border-top:1px solid var(--border-color);flex-direction:column;gap:1rem;padding:1.5rem 0;display:flex}.comment-input-area{gap:1rem;display:flex}.comment-list{flex-direction:column;gap:1.25rem;margin-top:1.5rem;display:flex}.comment-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);gap:1rem;padding:1rem;display:flex}.quiz-container{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);flex-direction:column;gap:1.5rem;padding:2rem;display:flex}.quiz-option{border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:.75rem;padding:1rem;display:flex}.quiz-option:hover{background-color:var(--bg-hover);border-color:var(--border-hover)}.quiz-option.selected{border-color:var(--primary);background-color:var(--primary-light)}[data-theme=dark] .quiz-option.selected{background-color:#6366f126}.lesson-row:hover{background-color:var(--bg-tertiary)!important}@keyframes xpPop{0%{opacity:0;transform:translateY(20px)scale(.8)}30%{opacity:1;transform:translateY(-8px)scale(1.05)}70%{opacity:1;transform:translateY(0)scale(1)}to{opacity:0;transform:translateY(-30px)scale(.9)}}.xp-toast{z-index:9999;background:linear-gradient(135deg, var(--primary), var(--secondary));color:#fff;border-radius:var(--radius-lg);pointer-events:none;align-items:center;gap:.5rem;padding:.85rem 1.5rem;font-size:1.1rem;font-weight:800;animation:2.5s forwards xpPop;display:flex;position:fixed;bottom:2rem;right:2rem;box-shadow:0 8px 32px #6366f166}@keyframes celebrationBounce{0%,to{transform:scale(1)}30%{transform:scale(1.08)}60%{transform:scale(.96)}}.celebration-ring{animation:.6s celebrationBounce}@keyframes confettiFall{0%{opacity:1;transform:translateY(-100%)rotate(0)}to{opacity:0;transform:translateY(100vh)rotate(720deg)}}.confetti-particle{pointer-events:none;z-index:9998;border-radius:50%;width:10px;height:10px;animation:linear forwards confettiFall;position:fixed;top:-10px}@keyframes levelPulse{0%,to{box-shadow:0 0 0 0 var(--primary)}50%{box-shadow:0 0 0 8px #0000}}.level-badge-pulse{animation:2s infinite levelPulse}@keyframes flameDance{0%,to{transform:scaleY(1)rotate(-2deg)}50%{transform:scaleY(1.1)rotate(2deg)}}.streak-flame{animation:1.2s infinite flameDance;display:inline-block}.achievement-badge{border-radius:var(--radius-md);background-color:var(--bg-tertiary);border:1px solid var(--border-color);transition:all var(--transition-fast);cursor:help;flex-direction:column;align-items:center;gap:.35rem;padding:.75rem;display:inline-flex}.achievement-badge:hover{border-color:var(--primary);background-color:var(--primary-light);box-shadow:var(--shadow-md);transform:translateY(-2px)}.achievement-badge.locked{opacity:.35;filter:grayscale()}.module-state-completed{border-color:#059669!important}.module-state-in-progress{border-color:var(--primary)!important}.module-state-locked{opacity:.6;border-color:var(--border-color)!important}@keyframes achievementSlideIn{0%{opacity:0;transform:translate(120%)scale(.9)}20%{opacity:1;transform:translate(0)scale(1.02)}30%{transform:translate(0)scale(1)}80%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(120%)}}.achievement-popup{z-index:9999;color:#fbbf24;border-radius:var(--radius-lg);pointer-events:none;background:linear-gradient(135deg,#1e1b4b,#312e81);border:2px solid #f59e0b;align-items:center;gap:.75rem;padding:1rem 1.5rem;font-weight:700;animation:4s forwards achievementSlideIn;display:flex;position:fixed;top:5rem;right:2rem;box-shadow:0 8px 32px #f59e0b4d}@keyframes levelUpFadeIn{0%{opacity:0}50%{opacity:1}to{opacity:0}}.level-up-overlay{z-index:9999;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:none;background:#000000b3;justify-content:center;align-items:center;animation:5s forwards levelUpFadeIn;display:flex;position:fixed;inset:0}.level-up-content{border-radius:var(--radius-xl);text-align:center;color:#fbbf24;background:linear-gradient(135deg,#1e1b4b,#312e81);border:3px solid #f59e0b;flex-direction:column;align-items:center;gap:.5rem;padding:2.5rem 3.5rem;display:flex;position:relative;box-shadow:0 0 60px #f59e0b66,0 0 120px #f59e0b26}.daily-goal-tracker{border-radius:var(--radius-md);background:var(--bg-tertiary);border:1px solid var(--border-color);flex-direction:column;gap:.35rem;padding:.75rem 1rem;display:flex}.daily-goal-tracker .goal-bar-bg{background:var(--bg-secondary);border-radius:3px;height:6px;overflow:hidden}.daily-goal-tracker .goal-bar-fill{background:linear-gradient(90deg, var(--primary), var(--secondary));border-radius:3px;height:100%;transition:width .5s}.course-detail-grid{grid-template-columns:1fr;gap:2rem;display:grid}@media (min-width:900px){.course-detail-grid{grid-template-columns:1fr 320px;gap:2.5rem}}@media (max-width:768px){.course-detail-grid{gap:1.5rem}.container{padding-left:1rem!important;padding-right:1rem!important}}@media (max-width:900px){.course-detail-grid aside{order:-1;position:static!important}}@media (min-width:900px){.course-detail-grid aside{order:0}}
.lesson-content{color:var(--text-primary);font-size:1.05rem;line-height:1.8}.lesson-content h1{background:linear-gradient(135deg, var(--primary), var(--secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:1.5rem;font-size:1.9rem;font-weight:800}.lesson-content h2{border-bottom:2px solid var(--border-color);color:var(--text-primary);margin-top:2rem;margin-bottom:1rem;padding-bottom:.5rem;font-size:1.4rem;font-weight:700}.lesson-content h3{color:var(--primary);margin-top:1.5rem;margin-bottom:.75rem;font-size:1.15rem;font-weight:700}.lesson-content p{color:var(--text-primary);margin-bottom:1.2rem}.lesson-content ul,.lesson-content ol{color:var(--text-primary);flex-direction:column;gap:.4rem;margin-bottom:1.2rem;padding-left:1.75rem;display:flex}.lesson-content li{line-height:1.7}.lesson-content strong,.lesson-content b{color:var(--text-primary);font-weight:700}.lesson-content table{border-collapse:separate;border-spacing:0;border:1px solid var(--border-color);border-radius:10px;width:100%;margin:1.5rem 0;font-size:.95rem;overflow:hidden}.lesson-content table th{background:linear-gradient(135deg, var(--primary), #4338ca);color:#fff;text-align:left;text-transform:uppercase;letter-spacing:.05em;border-bottom:2px solid #ffffff26;padding:.85rem 1.25rem;font-size:.85rem;font-weight:700}.lesson-content table th:first-child{border-top-left-radius:10px}.lesson-content table th:last-child{border-top-right-radius:10px}.lesson-content table td{border-bottom:1px solid var(--border-color);color:var(--text-primary);background-color:var(--bg-card);padding:.85rem 1.25rem;transition:background-color .15s}.lesson-content table tr:nth-child(2n) td{background-color:var(--bg-tertiary)}.lesson-content table tbody tr:hover td{background-color:var(--primary-light)}.lesson-content table tbody tr:last-child td:first-child{border-bottom-left-radius:10px}.lesson-content table tbody tr:last-child td:last-child{border-bottom-right-radius:10px}.lesson-content table tbody tr:last-child td{border-bottom:none}.lesson-content code{background-color:var(--primary-light);color:var(--primary);border-radius:var(--radius-xs);padding:.15rem .4rem;font-family:Courier New,monospace;font-size:.9em;font-weight:600}.lesson-content blockquote{border-left:4px solid var(--primary);background-color:var(--primary-light);border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--text-secondary);margin:1.5rem 0;padding:1rem 1.5rem;font-style:italic}.lesson-content hr{border:none;border-top:2px solid var(--border-color);margin:2rem 0}.quiz-header{background:linear-gradient(135deg, var(--primary), var(--secondary));color:#fff;border-radius:var(--radius-lg) var(--radius-lg) 0 0;text-align:center;padding:2rem}.quiz-body{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:0 0 var(--radius-lg) var(--radius-lg);padding:2rem}.quiz-option{cursor:pointer}.quiz-option.correct{border-color:var(--success);background-color:var(--success-light)}.quiz-option.incorrect{border-color:var(--error);background-color:var(--error-light)}.quiz-progress-bar{background-color:var(--bg-tertiary);border-radius:3px;width:100%;height:6px;margin-bottom:1.5rem;overflow:hidden}.quiz-progress-fill{background:linear-gradient(90deg, var(--primary), var(--secondary));border-radius:3px;height:100%;transition:width .4s}.speak-btn:hover{transform:scale(1.05);box-shadow:0 4px 12px #6366f140;background-color:var(--primary)!important;color:#fff!important}.speak-btn:active{transform:scale(.95)}.btn-speak-key{transition:all .12s}.btn-speak-key:hover{box-shadow:4px 4px 0px var(--border-color)!important;background-color:var(--primary-light)!important;color:var(--primary)!important;transform:translate(-2px,-2px)!important}.btn-speak-key:active{box-shadow:1px 1px 0px var(--border-color)!important;transform:translate(1px,1px)!important}
*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{max-width:100vw;font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);transition:background-color var(--transition-normal), color var(--transition-normal);scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}a{color:inherit;transition:color var(--transition-fast);text-decoration:none}img{max-width:100%;height:auto;display:block}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;background:0 0;border:none;outline:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;margin-bottom:.5rem;font-weight:700;line-height:1.25}p{color:var(--text-secondary);margin-bottom:1rem;line-height:1.6}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 1.5rem}.glass{background:var(--bg-secondary);border:2px solid var(--border-color);box-shadow:var(--shadow-md);transition:transform var(--transition-fast), box-shadow var(--transition-fast)}.btn{border-radius:var(--radius-sm);border:2px solid var(--border-color);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;box-shadow:var(--shadow-sm);background-color:var(--bg-secondary);color:var(--text-primary);justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:700;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{box-shadow:5px 5px 0px var(--border-color);background-color:var(--primary);transform:translate(-3px,-3px)}.btn-primary:active{box-shadow:1px 1px 0px var(--border-color);transform:translate(2px,2px)}.btn-secondary{background-color:var(--secondary);color:var(--text-primary)}.btn-secondary:hover{box-shadow:5px 5px 0px var(--border-color);background-color:var(--secondary);transform:translate(-3px,-3px)}.btn-secondary:active{box-shadow:1px 1px 0px var(--border-color);transform:translate(2px,2px)}.btn-text{color:var(--primary);border-radius:var(--radius-sm);transition:background-color var(--transition-fast);padding:.5rem 1rem;font-weight:700}.btn-text:hover{background-color:var(--primary-light);text-decoration:underline}.btn-icon{border-radius:var(--radius-sm);cursor:pointer;width:2.5rem;height:2.5rem;transition:all var(--transition-fast);border:2px solid var(--border-color);background-color:var(--bg-secondary);color:var(--text-secondary);box-shadow:var(--shadow-sm);justify-content:center;align-items:center;display:inline-flex}.btn-icon:hover{box-shadow:4px 4px 0px var(--border-color);background-color:var(--bg-hover);color:var(--text-primary);transform:translate(-2px,-2px)}.btn-icon:active{box-shadow:1px 1px 0px var(--border-color);transform:translate(1px,1px)}.form-group{flex-direction:column;gap:.5rem;margin-bottom:1.25rem;display:flex}.form-label{color:var(--text-primary);font-size:.875rem;font-weight:700}.form-control{background-color:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:all var(--transition-fast);padding:.75rem 1rem;font-weight:500}.form-control:focus{background-color:var(--bg-hover);box-shadow:3px 3px 0px var(--primary);transform:translate(-1px,-1px)}.badge{border-radius:var(--radius-sm);text-transform:uppercase;letter-spacing:.05em;border:2px solid var(--border-color);box-shadow:1px 1px 0px var(--border-color);align-items:center;padding:.3rem .85rem;font-size:.72rem;font-weight:800;display:inline-flex}.badge-primary{background-color:var(--primary-light);color:var(--primary)}.badge-secondary{background-color:var(--secondary-light);color:var(--text-primary)}.badge-success{background-color:var(--success-light);color:var(--success)}.badge-error{background-color:var(--error-light);color:var(--error)}.badge-warning{background-color:var(--warning-light);color:var(--warning)}.flex-center{justify-content:center;align-items:center;display:flex}.flex-between{justify-content:space-between;align-items:center;display:flex}.grid-3{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem;display:grid}.shadow-premium{box-shadow:var(--shadow-md);transition:box-shadow var(--transition-normal), transform var(--transition-normal)}.shadow-premium:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-spin{animation:1s linear infinite spin}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideLeft{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes levelPulse{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}@keyframes bounce{0%,to{transform:translateY(0)}40%{transform:translateY(-12px)}60%{transform:translateY(-4px)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes progressGlow{0%,to{box-shadow:0 0 4px #6366f14d}50%{box-shadow:0 0 12px #6366f199}}@keyframes confettiDrop{0%{opacity:1;transform:translateY(-10px)rotate(0)}to{opacity:0;transform:translateY(100vh)rotate(720deg)}}@keyframes badgePop{0%{opacity:0;transform:scale(0)}60%{transform:scale(1.3)}to{opacity:1;transform:scale(1)}}.animate-fade-in{animation:.4s both fadeIn}.animate-slide-up{animation:.5s both fadeSlideUp}.animate-scale-in{animation:.3s both scaleIn}.animate-bounce{animation:.6s bounce}.animate-shake{animation:.4s shake}.animate-float{animation:3s ease-in-out infinite float}.animate-pulse{animation:2s ease-in-out infinite levelPulse}.animate-fade-slide{animation:.5s both fadeSlideIn}.stagger-children>*{opacity:0;animation:.5s forwards fadeSlideUp}.stagger-children>:first-child{animation-delay:50ms}.stagger-children>:nth-child(2){animation-delay:.1s}.stagger-children>:nth-child(3){animation-delay:.15s}.stagger-children>:nth-child(4){animation-delay:.2s}.stagger-children>:nth-child(5){animation-delay:.25s}.stagger-children>:nth-child(6){animation-delay:.3s}.stagger-children>:nth-child(7){animation-delay:.35s}.stagger-children>:nth-child(8){animation-delay:.4s}.skeleton{background:linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s ease-in-out infinite shimmer}.skeleton-text{border-radius:6px;height:14px;margin-bottom:8px}.skeleton-title{border-radius:8px;width:60%;height:24px;margin-bottom:12px}.skeleton-avatar{border-radius:50%;width:48px;height:48px}.skeleton-card{border-radius:var(--radius-lg);height:200px}.skeleton-btn{border-radius:var(--radius-sm);width:120px;height:40px}.card-hover{cursor:pointer;transition:all .25s cubic-bezier(.16,1,.3,1)}.card-hover:hover{box-shadow:var(--shadow-lg);border-color:var(--primary);transform:translateY(-4px)}.card-hover:active{box-shadow:var(--shadow-sm);transform:translateY(-1px)}.reveal{opacity:0;transition:all .6s cubic-bezier(.16,1,.3,1);transform:translateY(30px)}.reveal.visible{opacity:1;transform:translateY(0)}@keyframes toastIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@keyframes toastOut{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(100%)}}.toast-enter{animation:.3s forwards toastIn}.toast-exit{animation:.3s forwards toastOut}.progress-bar{background:var(--bg-tertiary);border-radius:4px;height:8px;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg, var(--primary), var(--secondary));border-radius:4px;height:100%;transition:width .6s cubic-bezier(.16,1,.3,1);animation:2s ease-in-out infinite progressGlow}.page-enter{animation:.4s both fadeSlideIn}@keyframes countUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.count-up{animation:.5s both countUp}@media (max-width:640px){h1{font-size:1.6rem!important}h2{font-size:1.3rem!important}h3{font-size:1.1rem!important}.lesson-content{font-size:.95rem!important}.lesson-content h1{font-size:1.5rem!important}.lesson-content h2{font-size:1.2rem!important}.lesson-content table{font-size:.8rem!important}.lesson-content table th,.lesson-content table td{padding:.5rem .75rem!important}.btn{padding:.6rem 1rem!important;font-size:.85rem!important}.container{padding-left:1rem!important;padding-right:1rem!important}.hero-title{font-size:2rem!important}.hero-subtitle{font-size:1rem!important}.exercise-card{padding:1rem!important}}