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rgba(2,6,23,.06)}.curso-title{color:var(--accent);font-weight:700;font-size:1.1rem;margin-bottom:8px}.curso-sub{font-size:.95rem;color:var(--text);margin-bottom:8px}.curso-desc{font-size:.95rem;color:var(--muted);margin-bottom:16px}.curso-btn{background:var(--accent);color:var(--btn-text);border:none;border-radius:8px;padding:10px 24px;font-weight:700;font-size:1rem;cursor:pointer;box-shadow:0 2px 8px #00000014;align-self:stretch}.curso-emoji{display:inline-block;line-height:1;transform:translateY(-1px)}.text-3xl{font-size:1.875rem}.hero-bg{background:var(--sk-color-blue);padding:28px 12px 60px;border-bottom-left-radius:28px;border-bottom-right-radius:28px;position:relative;overflow:hidden;box-sizing:border-box;width:100%}.hero-inner{max-width:1100px;margin:0 auto;text-align:center;color:#fff;padding:0 8px;box-sizing:border-box}.hero-kicker{font-size:.85rem;text-transform:uppercase;letter-spacing:.4rem;opacity:.9;margin-bottom:12px;font-weight:700}.hero-title{font-size:2.6rem;font-weight:900;margin-bottom:14px}@media(max-width:480px){.hero-title{font-size:1.8rem}.hero-kicker{letter-spacing:.2rem;font-size:.75rem}}.hero-sub{color:#ffffffeb;font-size:1.06rem;margin-bottom:20px;max-width:980px;margin-left:auto;margin-right:auto}@media(max-width:480px){.hero-sub{font-size:.95rem;padding:0 8px}}.hero-search{display:flex;gap:12px;max-width:740px;margin:0 auto;align-items:center;padding:0 12px;box-sizing:border-box}.tracks-section{padding:40px 12px;margin-top:0}.tracks-inner{max-width:1100px;margin:0 auto;width:100%;box-sizing:border-box;overflow-x:hidden}.hero-bg .tracks-grid,.tracks-section .tracks-grid{display:grid!important;gap:16px!important;grid-template-columns:1fr!important;width:100%;box-sizing:border-box}@media(min-width:900px){.hero-bg .tracks-grid,.tracks-section 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16px;flex-shrink:0}.modal-footer .btn{padding:12px 24px;border-radius:8px;font-weight:600;font-size:.95rem;transition:all .2s ease;border:none;cursor:pointer;display:flex;align-items:center;gap:8px}.modal-footer .btn-primary{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-secondary, var(--accent)) 100%);color:#fff;box-shadow:0 4px 12px #3b82f64d}.modal-footer .btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3b82f666}.modal-footer .btn-light{background:var(--bg-hover);color:var(--text);border:1px solid var(--border)}.modal-footer .btn-light:hover{background:var(--bg);transform:translateY(-1px)}@media(max-width:768px){.modal-overlay{padding:10px}.modal-content{margin:10px;max-height:calc(100vh - 20px);border-radius:12px}.modal-header{padding:24px 20px 16px;border-radius:12px 12px 0 0}.modal-title{font-size:1.4rem}.modal-emoji{font-size:2rem}.modal-body{padding:20px}.course-details-grid{grid-template-columns:1fr;gap:16px;margin:24px 0}.course-learning li{padding:10px 14px 10px 28px}.course-learning li:before{left:10px}.module-item{padding:14px;gap:14px}.modal-footer{padding:16px 20px 20px;flex-direction:column;border-radius:0 0 12px 12px}.modal-footer .btn{width:100%;justify-content:center}}.loading-skeleton{background:linear-gradient(90deg,var(--bg-hover) 25%,rgba(var(--accent-rgb, 59, 130, 246),.1) 50%,var(--bg-hover) 75%);background-size:200% 100%;animation:loading 1.5s infinite;border-radius:4px}@keyframes loading{0%{background-position:200% 0}to{background-position:-200% 0}}.course-card-new.loading{pointer-events:none}.loading-skeleton.title{height:24px;margin-bottom:8px;width:80%}.loading-skeleton.tag{height:16px;width:40%;margin-bottom:12px}.loading-skeleton.desc{height:16px;width:100%;margin-bottom:4px}.loading-skeleton.desc:nth-child(3){width:60%}.loading-skeleton.emoji{width:48px;height:48px;border-radius:50%}.loading-skeleton.button{height:40px;width:100%;border-radius:8px}:root{--course-padding: 18px;--course-padding-mobile: 14px;--course-gap: 12px;--course-min-height: 220px;--course-title-margin-top: 12px;--course-top-margin-mobile: 8px;--course-toggle-top: 72px;--course-cta-bottom: 20px;--course-padding-bottom: 18px}.course-card-new{box-sizing:border-box;background:var(--card);border-radius:12px;box-shadow:0 10px 30px #0206170f;padding:var(--course-padding);padding-bottom:var(--course-padding-bottom);display:flex;flex-direction:column;gap:var(--course-gap);cursor:pointer;border-left:4px solid rgba(2,6,23,.06);transition:transform .12s ease,box-shadow .12s ease;height:100%;min-height:var(--course-min-height);position:relative;overflow:hidden;width:100%;max-width:100%}.course-card-new:hover{transform:translateY(-4px);box-shadow:0 18px 40px #02061714}.course-top-new{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-top:var(--course-title-margin-top);flex:0 0 auto}.course-meta{flex:1 1 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8px)}.course-toggle-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--muted);cursor:pointer}.course-toggle-label{position:relative}.course-toggle-text{white-space:nowrap}.course-cta-wrap{display:flex;justify-content:center;align-items:center;flex-direction:column;margin-top:auto;width:100%}.switch{display:inline-flex;align-items:center;gap:8px;cursor:pointer}.switch-input{position:absolute;opacity:0;width:0;height:0}.switch-slider{position:relative;width:44px;height:24px;background:var(--card);border-radius:999px;display:inline-block;transition:background .18s ease}.switch-slider:after{content:"";position:absolute;left:4px;top:4px;width:16px;height:16px;background:#fff;border-radius:50%;box-shadow:0 6px 14px #02061714;transition:transform .18s ease}.switch-input:checked+.switch-slider{background:var(--accent)}.switch-input:checked+.switch-slider:after{transform:translate(20px)}.switch-input:focus+.switch-slider{box-shadow:0 0 0 4px 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180px}.course-card-new{padding:var(--course-padding-mobile);padding-bottom:var(--course-padding-mobile)}.course-emoji-new{font-size:24px}.course-cta,.course-cta-disabled{width:100%;min-width:0}.course-top-new{margin-top:var(--course-top-margin-mobile)}.course-card-new .course-cta-wrap.absolute-bottom{position:static;transform:none;left:auto;bottom:auto}.course-toggle-wrap{position:static;order:2;margin-top:6px}}.modal-overlay{position:fixed;inset:0;background:#02061773;display:flex;align-items:center;justify-content:center;z-index:1200}.forgot-row{margin-top:6px}.forgot-link{color:var(--accent);font-weight:700;text-decoration:underline;cursor:pointer}.login-page{position:relative;min-height:calc(100vh - 64px);display:flex;align-items:center;justify-content:center;background:var(--sk-color-blue);padding:40px 16px;color:#fff}.login-card{background:var(--card);color:var(--text);max-width:420px;width:100%;padding:28px;border-radius:12px;box-shadow:0 12px 40px #02061714;border:1px solid rgba(2,6,23,.06);position:relative}.brand-title{text-align:center;font-weight:900;font-size:1.75rem;margin-bottom:6px}.brand-title .text-primary{color:var(--accent)}.brand-title .text-accent{color:var(--accent-2);margin-left:4px}.login-heading{font-size:1.25rem;font-weight:800;color:var(--text);text-align:center;margin-bottom:14px}.status-message{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:8px;margin-bottom:10px}.status-info{background:#2563ebf2;color:#fff}.status-success{background:#10b981f2;color:#07221a}.status-error{background:#ef4444f2;color:#fff}.status-close{background:transparent;border:none;color:inherit;font-weight:700;cursor:pointer}.input-container{position:relative;padding-top:1.25rem}.input-container-input{box-sizing:border-box;color:var(--text);width:100%;padding:12px 14px;height:44px;font-size:.98rem;border:1px solid rgba(0,0,0,.06);border-radius:10px;outline:none;background:var(--card);transition:all .18s ease;display:block}.input-container-input:focus{border-color:#3b82f6e6;box-shadow:0 4px 18px #2563eb0f}.reset-input{width:100%;padding:10px;border-radius:8px;border:1px solid rgba(0,0,0,.06);background:var(--card);color:var(--text)}.input-container .relative .input-container-input.pr-10{padding-right:72px}.password-toggle-button{position:absolute;top:50%;right:12px;transform:translateY(calc(-50% + 8px));color:var(--muted);background:transparent;border:none;padding:6px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;width:44px;height:44px;border-radius:8px;opacity:0;animation:passwordToggleIn .2s cubic-bezier(.2,.9,.2,1) forwards}.password-toggle-button svg{width:18px;height:18px;display:block}.password-toggle-button:focus{outline:none;box-shadow:0 0 0 3px #3b82f61f}@keyframes passwordToggleIn{0%{opacity:0;transform:translateY(calc(-50% + 6px)) scale(.88)}to{opacity:1;transform:translateY(calc(-50% + 12px)) 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h3{margin:0;font-size:14px;font-weight:600}.close-btn{background:none;border:none;cursor:pointer;color:var(--text);padding:4px;display:flex;align-items:center}.close-btn:hover{color:var(--accent)}.group-members-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}.member-item{background:#0000000a;padding:6px 12px;border-radius:16px;font-size:13px}.member-item.is-me{background:var(--accent);color:#fff}.message.system{align-self:center;max-width:80%}.system-message{background:#0000000f;color:var(--muted);padding:8px 16px;border-radius:16px;font-size:12px;text-align:center}.message-sender-name{font-size:11px;font-weight:600;color:var(--accent);margin-bottom:4px}.message-meta{display:flex;align-items:center;gap:4px;justify-content:flex-end;margin-top:4px}.message-meta .message-time{font-size:10px;color:var(--muted)}.message-status{display:flex;align-items:center}.message-status .read{color:#3b82f6}.message-status .sent{color:var(--muted)}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--card);border-radius:12px;max-width:400px;width:90%;max-height:80vh;overflow:hidden;box-shadow:0 20px 40px #0003}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid rgba(0,0,0,.08)}.modal-header h3{margin:0;font-size:16px;font-weight:600}.modal-body{padding:16px;max-height:400px;overflow-y:auto}.friends-to-add-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.friend-to-add-item{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#00000005;border-radius:8px}.friend-name{font-weight:500}.btn-add-friend{background:var(--accent);color:#fff;border:none;padding:6px 16px;border-radius:6px;cursor:pointer;font-weight:500;transition:all .2s}.btn-add-friend:hover{opacity:.9;transform:translateY(-1px)}.btn-add-friend:disabled{opacity:.5;cursor:not-allowed}.friends-root{max-width:1100px;margin:120px auto 40px;padding:12px}.friends-hero{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.friends-hero h1{font-size:28px;margin:0}.friends-actions{display:flex;align-items:center;gap:12px}.create-group-wrapper{display:flex;flex-direction:column;align-items:flex-start;gap:4px}.create-group-hint{font-size:11px;color:#f59e0b;font-weight:500}.actions-separator{width:1px;height:24px;background:#0000001f;margin:0 4px}.create-group-action{display:flex;align-items:center}.friends-stats{display:flex;gap:10px;margin-top:6px}.stat-pill{background:var(--card);padding:8px 12px;border-radius:999px;font-weight:800}.stat-pill .muted{font-weight:600;font-size:12px;color:var(--muted);margin-left:6px}.stat-requests{background:var(--accent);color:#fff;font-weight:800;border:1px solid rgba(0,0,0,.06);text-shadow:0 1px 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#0006}.avatar-modal-body{display:flex;flex-direction:column;align-items:center;gap:12px}.avatar-modal-img{width:220px;height:220px;border-radius:12px;-o-object-fit:cover;object-fit:cover}.avatar-modal-circle{width:220px;height:220px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--accent-2);color:var(--btn-text);font-size:48px;font-weight:900}.avatar-modal-meta{margin-top:6px;text-align:center}.avatar-modal-name{font-weight:800}.avatar-modal-email{color:var(--muted);font-size:14px}.avatar-modal-close{margin-top:8px}.btn-accept{background:var(--sk-color-green, #16a34a);color:#fff;border:0;padding:8px 12px;border-radius:8px;cursor:pointer;font-weight:700}.btn-accept:hover{filter:brightness(1.05)}.btn-reject{background:var(--sk-color-orange, #f97316);color:#fff;border:0;padding:8px 12px;border-radius:8px;cursor:pointer;font-weight:700}.btn-reject:hover{filter:brightness(1.05)}.right .badge{display:inline-block;padding:6px 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badge-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.shop-button{background:linear-gradient(135deg,var(--accent),#9333ea);color:var(--btn-text);border:none;padding:8px 20px;border-radius:20px;font-weight:600;font-size:14px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #2563eb40;display:flex;align-items:center;gap:6px;white-space:nowrap}.shop-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #2563eb59}.shop-button:active{transform:translateY(0)}@media(max-width:768px){.stats-banner{flex-direction:column;gap:12px;padding:12px 16px}.stats-group{width:100%;gap:12px;justify-content:center;margin:0}.stat-item{font-size:13px;padding:5px 12px}.stat-icon{font-size:16px}.shop-button{width:100%;justify-content:center;padding:10px 16px;font-size:13px}}@media(max-width:480px){.stats-banner{padding:10px 8px}.stats-group{gap:8px}.stat-item{font-size:12px;padding:4px 10px}.stat-icon{font-size:14px}.shop-button{padding:8px 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