:root{--primary-blue: #1e3a8a;--secondary-blue: #3b82f6;--accent-blue: #2563eb;--dark-blue: #1e40af;--success: #10b981;--error: #ef4444;--warning: #f59e0b;--info: #3b82f6;--text-primary: #1f2937;--text-secondary: #6b7280;--text-muted: #9ca3af;--text-white: #ffffff;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-card: #ffffff;--bg-hover: #f3f4f6;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--border-radius: 6px;--border-radius-lg: 8px;--border-radius-xl: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.6;font-weight:400;color:var(--text-primary);background:var(--bg-primary);min-height:100vh}.app{min-height:100vh;background:var(--bg-primary);display:flex;flex-direction:column}.main-content{flex:1;display:flex;align-items:center;justify-content:center;padding:2rem 1rem}.page{text-align:center;max-width:800px;width:100%}.page h2{color:var(--primary-blue);font-size:2.5rem;margin-bottom:1rem;font-weight:700}.page p{color:var(--text-secondary);font-size:1.2rem}.content-placeholder{background:var(--bg-secondary);border:2px dashed var(--text-muted);border-radius:var(--border-radius-lg);padding:2rem;margin-top:2rem}.content-placeholder p{color:var(--text-muted);font-style:italic}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem 1rem;background:var(--bg-primary)}.auth-card{background:var(--bg-card);border:2px solid var(--primary-blue);border-radius:var(--border-radius-xl);padding:2rem;box-shadow:var(--shadow-lg);width:100%;max-width:400px;text-align:center}.auth-card h2{color:var(--primary-blue);font-size:2rem;margin-bottom:.5rem;font-weight:700}.auth-card p{color:var(--text-secondary);margin-bottom:2rem}.auth-form{text-align:left}.form-group{margin-bottom:1.5rem}.form-group label{display:block;color:var(--text-primary);font-weight:500;margin-bottom:.5rem}.input-group{position:relative;display:flex;align-items:center}.input-icon{position:absolute;left:12px;color:var(--text-muted);font-size:16px;z-index:1}.input-group input{width:100%;padding:12px 12px 12px 40px;border:2px solid var(--text-muted);border-radius:var(--border-radius);font-size:16px;background:var(--bg-primary);color:var(--text-primary);transition:all var(--transition-normal)}.input-group input:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px #1e3a8a1a}.password-toggle{position:absolute;right:12px;background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;z-index:1}.password-toggle:hover{color:var(--primary-blue)}.error-message{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:12px;border-radius:var(--border-radius);margin-bottom:1rem;font-size:14px}.auth-switch{margin-top:2rem;padding-top:2rem;border-top:1px solid var(--text-muted)}.auth-switch p{margin-bottom:1rem;color:var(--text-secondary)}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:2000;padding:1rem}.modal-content{position:relative;background:var(--bg-card);border-radius:var(--border-radius-xl);box-shadow:var(--shadow-lg);max-width:500px;width:100%;max-height:90vh;overflow-y:auto}.modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:24px;color:var(--text-muted);cursor:pointer;z-index:1;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all var(--transition-normal)}.modal-close:hover{background:var(--bg-hover);color:var(--text-primary)}.navbar-auth{display:flex;align-items:center;gap:.5rem}.modal-auth-card{border:none;box-shadow:none;padding:2rem;margin:0}.popup-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:3000;padding:1rem}.popup-standard{background:var(--bg-card);border-radius:var(--border-radius-xl);box-shadow:var(--shadow-lg);width:100%;max-height:90vh;overflow:hidden;display:flex;flex-direction:column}.popup-header{background:var(--primary-blue);color:var(--text-white);padding:1rem 1.5rem;display:flex;align-items:center;justify-content:space-between;border-radius:var(--border-radius-xl) var(--border-radius-xl) 0 0}.popup-title{margin:0;font-size:1.25rem;font-weight:600}.popup-close-btn{background:none;border:none;color:var(--text-white);cursor:pointer;padding:8px;border-radius:50%;transition:all var(--transition-normal);width:32px;height:32px;display:flex;align-items:center;justify-content:center}.popup-close-btn:hover{background:#fff3}.popup-content{overflow-y:auto;flex:1}.popup-sm{max-width:400px}.popup-md{max-width:600px}.popup-lg{max-width:800px}.popup-xl{max-width:1000px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border:2px solid transparent;border-radius:var(--border-radius);font-size:16px;font-weight:500;text-decoration:none;cursor:pointer;transition:all var(--transition-normal);min-width:120px;box-shadow:var(--shadow-sm)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary-blue);color:var(--text-white);border-color:var(--primary-blue)}.btn-primary:hover:not(:disabled){background:var(--dark-blue);border-color:var(--dark-blue);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-accept{background:var(--success);color:var(--text-white);border-color:var(--success)}.btn-accept:hover:not(:disabled){background:#059669;border-color:#059669;box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-cancel{background:var(--error);color:var(--text-white);border-color:var(--error)}.btn-cancel:hover:not(:disabled){background:#dc2626;border-color:#dc2626;box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-secondary{background:transparent;color:var(--primary-blue);border-color:var(--primary-blue)}.btn-secondary:hover:not(:disabled){background:var(--primary-blue);color:var(--text-white);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-outline{background:transparent;color:var(--text-primary);border-color:var(--text-secondary)}.btn-outline:hover:not(:disabled){border-color:var(--primary-blue);color:var(--primary-blue);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-sm{padding:4px 12px;font-size:14px;min-width:80px}.btn-md{padding:8px 24px;font-size:16px;min-width:120px}.btn-lg{padding:12px 32px;font-size:18px;min-width:160px}.btn-xl{padding:16px 40px;font-size:20px;min-width:200px}.navbar{background:var(--bg-card);border-bottom:2px solid var(--primary-blue);box-shadow:var(--shadow-md);position:sticky;top:0;z-index:1000}.navbar-container{max-width:1200px;margin:0 auto;padding:0 1rem;display:flex;align-items:center;justify-content:space-between;height:60px}.navbar-brand h2{color:var(--primary-blue);font-size:1.5rem;font-weight:700;margin:0}.navbar-user{display:flex;align-items:center;gap:1rem}.user-name{color:var(--text-primary);font-weight:500;font-size:14px}.logout-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:8px;border-radius:var(--border-radius);transition:all var(--transition-normal)}.logout-btn:hover{background:var(--bg-hover);color:var(--error)}.navbar-menu{display:flex;align-items:center;gap:.5rem}.navbar-item{display:flex;align-items:center;gap:.5rem;padding:8px 16px;border:none;background:transparent;color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;border-radius:var(--border-radius);transition:all var(--transition-normal);text-decoration:none}.navbar-item:hover{background:var(--bg-hover);color:var(--primary-blue)}.navbar-item.active{background:var(--primary-blue);color:var(--text-white)}.navbar-icon{font-size:16px;width:16px;height:16px}.navbar-label{font-size:14px}.navbar-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}.hamburger{display:flex;flex-direction:column;width:24px;height:18px;justify-content:space-between}.hamburger span{display:block;height:2px;width:100%;background:var(--primary-blue);transition:all var(--transition-normal);border-radius:1px}.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.mobile-menu{display:none;flex-direction:column;background:var(--bg-card);border-top:1px solid var(--text-muted);padding:1rem;position:absolute;top:100%;left:0;right:0;box-shadow:var(--shadow-lg)}.mobile-menu.active{display:flex}.mobile-menu .navbar-item{justify-content:flex-start;padding:12px 16px;border-radius:var(--border-radius);margin-bottom:.5rem}.mobile-menu .navbar-item:last-child{margin-bottom:0}.contenedor-general{max-width:1200px;margin:0 auto;padding:0 1rem;width:100%}.contenedor-complementario{max-width:800px;margin:0 auto;padding:0 1rem;width:100%}.container-v1{background:var(--bg-card);border:2px solid var(--primary-blue);border-radius:var(--border-radius-xl);padding:2rem;text-align:center;box-shadow:var(--shadow-md);transition:all var(--transition-normal)}.container-v1:hover{box-shadow:var(--shadow-lg);border-color:var(--accent-blue)}.container-v1-icon{margin-bottom:1.5rem}.container-v1-icon i{font-size:3rem;color:var(--primary-blue)}.container-v1:hover .container-v1-icon i{color:var(--accent-blue)}.container-v1 h3{color:var(--primary-blue);font-size:1.5rem;font-weight:600;margin-bottom:1rem}.container-v1 p{color:var(--text-secondary);font-size:1rem;line-height:1.6}.features-grid,.predictions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-top:3rem}.predictions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:3rem}.prediction-button{background:var(--primary-blue);color:var(--text-white);border:2px solid var(--primary-blue);border-radius:var(--border-radius);padding:12px 24px;font-size:16px;font-weight:500;cursor:pointer;transition:all var(--transition-normal);min-width:160px;box-shadow:var(--shadow-sm)}.prediction-button:hover{background:var(--dark-blue);border-color:var(--dark-blue);box-shadow:var(--shadow-md);transform:translateY(-1px)}.prediction-button:active{transform:translateY(0)}@media(max-width:768px){.desktop-menu{display:none}.navbar-toggle{display:block}.navbar-container{height:60px}.features-grid,.predictions-grid{grid-template-columns:1fr;gap:1.5rem}.container-v1{padding:1.5rem}.container-v1-icon i{font-size:2.5rem}}@media(min-width:769px){.mobile-menu{display:none!important}}