.dashboard-layout{grid-template-columns:260px 1fr;gap:32px;min-height:100vh;padding:24px;display:grid}.sidebar{flex-direction:column;height:calc(100vh - 48px);padding:32px 24px;display:flex;position:sticky;top:24px}.brand{border-radius:28px;justify-content:center;margin-bottom:32px;display:flex}.brand-logo{border-radius:28px;width:100%;max-width:180px;height:auto}.logo-icon{background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));border-radius:8px;width:32px;height:32px}.nav-links{flex-direction:column;flex-grow:1;gap:12px;list-style:none;display:flex}.nav-links li{border-radius:var(--radius-sm);color:var(--text-muted);font-weight:500;transition:all .2s}.nav-links li a{color:inherit;border-radius:inherit;padding:12px 16px;text-decoration:none;display:block}.nav-links li:hover,.nav-links li.active{color:var(--text-main);background:#ffffff0d}.nav-links li.active{border-left:3px solid var(--primary-color);background:linear-gradient(90deg,#5e8b7e26,#0000)}.credits-widget{background:#0003;border:1px solid #d6c29133;flex-direction:column;gap:8px;padding:20px;display:flex}.credits-title{color:var(--text-muted);font-size:14px}.credits-amount{font-family:Outfit,sans-serif;font-size:28px;font-weight:700}.btn-buy-credits{border:1px solid var(--secondary-color);color:var(--secondary-color);border-radius:var(--radius-sm);cursor:pointer;background:0 0;margin-top:12px;padding:8px;font-weight:600;transition:all .2s}.btn-buy-credits:hover{background:#d6c2911a}.main-content{flex-direction:column;gap:40px;display:flex}.top-header{justify-content:space-between;align-items:flex-start;display:flex}.greeting{margin-bottom:8px;font-size:36px}.subtitle{color:var(--text-muted);font-size:16px}.profile-btn{background:var(--bg-card);border:var(--glass-border);border-radius:var(--radius-lg);cursor:pointer;padding:12px 24px}.section-title{margin-bottom:4px;font-size:22px}.section-desc{color:var(--text-muted);margin-bottom:24px;font-size:15px}.mt-12{margin-top:12px}.divider{background:var(--glass-border);width:100%;height:1px;margin:10px 0}.courses-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;display:grid}.course-card{flex-direction:column;align-items:flex-start;padding:24px;display:flex;position:relative}.course-badge{background:var(--secondary-color);color:var(--bg-dark);text-transform:uppercase;border-radius:20px;padding:4px 12px;font-size:12px;font-weight:700;position:absolute;top:-12px;right:24px}.course-card h3{margin-bottom:16px;font-size:20px}.course-meta{color:var(--text-muted);margin-top:8px;font-size:14px}.progress-bar{background:#ffffff1a;border-radius:3px;width:100%;height:6px;overflow:hidden}.progress-fill{background:var(--primary-color);border-radius:3px;height:100%}.action-area{grid-template-columns:1fr 1fr;gap:24px;display:grid}.action-card{flex-direction:column;justify-content:space-between;padding:32px;display:flex}.action-card.primary{background:linear-gradient(135deg,#5e8b7e1a,#1e293b66);border:1px solid #5e8b7e4d}.card-header-icon{margin-bottom:16px;font-size:32px}.action-card h2{margin-bottom:12px;font-size:22px}.action-card p{color:var(--text-muted);margin-bottom:32px;line-height:1.6}.action-footer{justify-content:space-between;align-items:center;margin-top:auto;display:flex}.cost{color:var(--secondary-color);background:#d6c2911a;border-radius:20px;padding:6px 12px;font-family:Outfit,sans-serif;font-size:14px;font-weight:600}.btn-secondary{color:var(--text-main);border:var(--glass-border);border-radius:var(--radius-sm);cursor:pointer;background:#ffffff0d;padding:12px 24px;font-family:Outfit,sans-serif;font-weight:600;transition:all .2s}.btn-secondary:hover{background:#ffffff1a}.recent-tests{margin-bottom:24px}.tests-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.test-history-card{cursor:pointer;flex-direction:column;gap:12px;min-height:140px;padding:20px;transition:all .3s;display:flex;position:relative;overflow:hidden}.test-history-card:before{content:"";background:linear-gradient(to bottom, var(--primary-color), var(--secondary-color));opacity:0;width:3px;height:100%;transition:opacity .3s;position:absolute;top:0;left:0}.test-history-card:hover:before{opacity:1}.test-history-card:hover{border-color:#5e8b7e4d;transform:translateY(-4px)}.test-card-top{justify-content:space-between;align-items:center;display:flex}.test-card-icon{font-size:1.3rem}.test-card-date{color:var(--text-muted);background:#ffffff0d;border-radius:12px;padding:3px 10px;font-size:.8rem}.test-card-snippet{color:var(--text-muted);text-overflow:ellipsis;-webkit-line-clamp:2;-webkit-box-orient:vertical;flex:1;font-size:.85rem;line-height:1.5;display:-webkit-box;overflow:hidden}.test-card-bottom{justify-content:space-between;align-items:center;display:flex}.test-card-count{color:var(--primary-color);font-family:Outfit,sans-serif;font-size:.85rem;font-weight:600}.test-card-action{color:var(--secondary-color);opacity:0;font-size:.85rem;font-weight:600;transition:opacity .3s}.test-history-card:hover .test-card-action{opacity:1}.empty-tests{text-align:center;padding:48px}.empty-tests p{color:var(--text-muted);margin-bottom:16px}.loading-placeholder{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.loading-shimmer{border-radius:var(--radius-md);background:linear-gradient(90deg,#ffffff08 25%,#ffffff0f 50%,#ffffff08 75%) 0 0/200% 100%;height:140px;animation:1.5s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media (max-width:1024px){.dashboard-layout{grid-template-columns:1fr}.sidebar{display:none}.brand-logo{max-width:120px}.courses-grid,.action-area{grid-template-columns:1fr}.tests-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.tests-grid,.loading-placeholder{grid-template-columns:1fr}.top-header{gap:14px}.greeting{font-size:22px;line-height:1.25}.credits-amount{font-size:23px}.card-header-icon{font-size:26px}.subtitle{font-size:15px}}a.btn-buy-credits{text-align:center;text-decoration:none;display:block}.course-meta{-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.bienvenida{background:#5e8b7e12;border:1px solid #5e8b7e59;border-radius:16px;margin-bottom:32px;padding:24px 28px;position:relative}.bienvenida h2{color:#fff;margin:0 0 14px;font-size:1.15rem}.bienvenida-cerrar{color:#94a3b8;cursor:pointer;background:0 0;border:1px solid #ffffff24;border-radius:8px;width:30px;height:30px;font-size:13px;line-height:1;position:absolute;top:14px;right:14px}.bienvenida-cerrar:hover{color:#fff;border-color:#ffffff4d}.bienvenida-pasos{color:#cbd5e1;margin:0 0 12px;padding-left:20px}.bienvenida-pasos li{margin-bottom:10px;line-height:1.6}.bienvenida-pasos strong{color:#fff}.bienvenida-pie{color:#94a3b8;margin:0;font-size:.88rem}.bienvenida-pie a{color:#5e8b7e;font-weight:600}@media (max-width:600px){.bienvenida{padding:20px 18px}.bienvenida h2{padding-right:34px;font-size:1.05rem}}.arranque-app{background-color:#0f172a;flex-direction:column;justify-content:center;align-items:center;gap:18px;min-height:100vh;display:flex}.arranque-aviso{color:var(--text-muted);letter-spacing:.02em;font-size:.9rem}