@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap";:root{--bg-primary:#0b0f19;--bg-secondary:#111827;--bg-card:#111827d9;--bg-card-hover:#1f2937f2;--bg-input:#1f2937;--border-color:#ffffff14;--border-hover:#6366f166;--text-primary:#f9fafb;--text-secondary:#9ca3af;--text-muted:#6b7280;--accent-primary:#6366f1;--accent-primary-hover:#4f46e5;--accent-glow:#6366f140;--success:#10b981;--success-bg:#10b9811f;--success-border:#10b9814d;--danger:#f43f5e;--danger-bg:#f43f5e1f;--danger-border:#f43f5e4d;--warning:#f59e0b;--warning-bg:#f59e0b1f;--radius-sm:10px;--radius-md:16px;--radius-lg:24px;--radius-full:9999px;--font-family:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-display:"Outfit", sans-serif;--shadow-glow:0 0 25px #6366f126;--glass-backdrop:blur(16px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased;background-image:radial-gradient(at 0 0,#6366f11f 0,#0000 50%),radial-gradient(at 100% 100%,#10b98114 0,#0000 50%),radial-gradient(#111827 0,#0000 100%);background-attachment:fixed;min-height:100vh;line-height:1.5}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{border-radius:var(--radius-full);background:#374151}.app-container{flex-direction:column;max-width:1200px;min-height:100vh;margin:0 auto;padding:1.25rem;display:flex}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:var(--glass-backdrop);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;transition:transform .2s,border-color .2s;box-shadow:0 10px 30px #00000059}.app-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;padding-bottom:1rem;display:flex}.brand-title{font-family:var(--font-display);background:linear-gradient(135deg,#fff 0%,#a5b4fc 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;align-items:center;gap:.6rem;font-size:1.6rem;font-weight:800;display:flex}.brand-badge{font-family:var(--font-family);color:var(--accent-primary);background:var(--accent-glow);border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em;-webkit-text-fill-color:initial;border:1px solid #6366f14d;padding:.2rem .6rem;font-size:.7rem;font-weight:700}.nav-tabs{border-radius:var(--radius-md);border:1px solid var(--border-color);-webkit-overflow-scrolling:touch;scrollbar-width:none;background:#111827b3;flex-wrap:nowrap;gap:.35rem;padding:.35rem;display:flex;overflow-x:auto}.nav-tabs::-webkit-scrollbar{display:none}.nav-tab{border-radius:var(--radius-sm);color:var(--text-secondary);font-family:var(--font-family);cursor:pointer;white-space:nowrap;background:0 0;border:none;flex-shrink:0;align-items:center;gap:.5rem;min-height:44px;padding:.6rem 1rem;font-size:.85rem;font-weight:600;transition:all .2s;display:flex}.nav-tab:hover{color:var(--text-primary);background:#ffffff0d}.nav-tab.active{color:#fff;background:var(--accent-primary);box-shadow:0 4px 15px #6366f159}.nav-tab-icon-wrapper{justify-content:center;align-items:center;display:inline-flex;position:relative}.badge-count-floating{background:var(--danger);color:#fff;border-radius:var(--radius-full);border:1.5px solid var(--bg-primary);justify-content:center;align-items:center;min-width:17px;height:17px;padding:0 4px;font-size:.65rem;font-weight:800;line-height:1;display:flex;position:absolute;top:-6px;right:-9px;box-shadow:0 2px 5px #00000080}.btn{border-radius:var(--radius-md);font-family:var(--font-family);cursor:pointer;border:none;outline:none;justify-content:center;align-items:center;gap:.4rem;min-height:42px;padding:.65rem 1.25rem;font-size:.9rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-primary-hover) 100%);color:#fff;box-shadow:0 4px 14px #6366f14d}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-color);background:#ffffff0f}.btn-success{color:#fff;background:linear-gradient(135deg,#10b981 0%,#059669 100%)}.btn-danger{color:#fff;background:linear-gradient(135deg,#f43f5e 0%,#e11d48 100%)}.options-grid{flex-direction:column;gap:.8rem;margin-top:1.25rem;display:flex}.option-card{border-radius:var(--radius-md);border:1px solid var(--border-color);cursor:pointer;text-align:left;background:#1f293799;align-items:center;gap:.9rem;min-height:52px;padding:1rem 1.2rem;transition:all .2s;display:flex}.option-card:hover{border-color:var(--accent-primary);background:#6366f11f}.option-card.selected{border-color:var(--accent-primary);background:#6366f133;box-shadow:0 0 15px #6366f140}.option-card.correct{border-color:var(--success);background:var(--success-bg)}.option-card.incorrect{border-color:var(--danger);background:var(--danger-bg)}.option-key{border-radius:var(--radius-sm);width:32px;height:32px;color:var(--text-primary);background:#ffffff14;flex-shrink:0;justify-content:center;align-items:center;font-size:.9rem;font-weight:700;display:flex}.option-card.selected .option-key{background:var(--accent-primary);color:#fff}.option-card.correct .option-key{background:var(--success);color:#fff}.option-card.incorrect .option-key{background:var(--danger);color:#fff}.question-img-container{border-radius:var(--radius-md);border:1px solid var(--border-color);background:#0006;justify-content:center;align-items:center;max-height:260px;margin:1rem 0;display:flex;overflow:hidden}.question-img-container img{object-fit:contain;max-width:100%;max-height:260px}.grid-2{grid-template-columns:1fr 300px;gap:1.25rem;display:grid}.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;display:grid}.stat-card{border-radius:var(--radius-md);border:1px solid var(--border-color);background:#1f293766;flex-direction:column;gap:.35rem;padding:1.25rem;display:flex}.stat-value{font-family:var(--font-display);font-size:2rem;font-weight:800}.stat-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:.8rem;font-weight:600}.mobile-only-btn{display:none}@media (width<=768px){.app-container{padding:.75rem .75rem 5.5rem}.app-header{flex-direction:column;align-items:flex-start;gap:.5rem;margin-bottom:1rem;padding-bottom:.75rem}.brand-title{font-size:1.35rem}.nav-tabs{z-index:999;border:none;border-top:1px solid var(--border-color);-webkit-backdrop-filter:blur(20px);padding:.35rem .35rem max(.35rem, env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity;scrollbar-width:none;background:#0b0f19f5;border-radius:0;flex-wrap:nowrap;gap:.2rem;width:100vw;display:flex;position:fixed;bottom:0;left:0;right:0;overflow:auto hidden;box-shadow:0 -5px 25px #0009}.nav-tabs::-webkit-scrollbar{display:none}.nav-tab{scroll-snap-align:start;text-align:center;border-radius:var(--radius-sm);flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:.2rem;min-width:62px;min-height:44px;padding:.4rem .6rem;font-size:.7rem;font-weight:600;overflow:hidden}.nav-tab span{white-space:nowrap;text-overflow:ellipsis;max-width:100%;overflow:hidden}.nav-tab.active{color:var(--accent-primary);box-shadow:none;background:#6366f12e}.nav-tab svg{width:20px;height:20px}.grid-2{grid-template-columns:1fr}.glass-card{border-radius:var(--radius-md);padding:1.1rem}.mobile-only-btn{display:inline-flex}.question-map-sidebar{display:none}.question-map-sidebar.mobile-visible{animation:.2s ease-out fadeIn;display:block}.question-map-grid{grid-template-columns:repeat(6,1fr)!important;gap:.35rem!important}.question-map-grid button{height:38px;font-size:.8rem}.question-img-container{max-height:200px}.teoria-iframe{height:calc(100dvh - 170px);min-height:58dvh}.teoria-toolbar{flex-direction:column;align-items:stretch}}.teoria-wrapper{flex-direction:column;flex:1;gap:.75rem;width:100%;min-height:0;display:flex}.teoria-toolbar{border:1px solid var(--border-color);border-radius:var(--radius-md);background:#1118278c;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.6rem;padding:.6rem .75rem;display:flex}.teoria-toolbar__label{letter-spacing:.04em;text-transform:uppercase;color:var(--text-secondary);font-size:.8rem;font-weight:700}.teoria-toolbar__actions{flex-wrap:wrap;gap:.4rem;display:flex}.teoria-iframe{border-radius:var(--radius-lg);background:#f2efe6;border:0;flex:1;width:100%;height:calc(100dvh - 210px);min-height:68dvh;display:block;box-shadow:0 8px 28px #00000059}.teoria-hint{color:var(--text-muted);padding:0 .2rem;font-size:.78rem}.teoria-hint a{color:var(--text-secondary);text-underline-offset:3px;text-decoration:underline}.teoria-hint code{background:#ffffff0f;border-radius:6px;padding:.15rem .35rem;font-size:.75rem}.btn--cuaderno{border-radius:var(--radius-sm);min-height:44px;color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;background:#ffffff0f;padding:.5rem .85rem;font-size:.82rem;font-weight:600;text-decoration:none}.btn--cuaderno:hover{background:#ffffff1a}.teoria-btn--pri{color:#fff!important;background:#0b3d91!important;border-color:#0b3d91!important}.teoria-btn--pri:hover{background:#143a6b!important}