:root{--color-primary:#1a1a1a;--color-accent:#3b82f6;--color-background:#fff;--color-text:#374151;--color-border:#e5e7eb;--color-success:#10b981;--color-error:#ef4444;--color-warning:#f59e0b;--color-gray-50:#f9fafb;--color-gray-100:#f3f4f6;--color-gray-200:#e5e7eb;--color-gray-300:#d1d5db;--color-gray-400:#9ca3af;--color-gray-500:#6b7280;--color-gray-600:#4b5563;--color-gray-700:#374151;--color-gray-800:#1f2937;--color-gray-900:#111827;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--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);--radius-sm:0.25rem;--radius-md:0.5rem;--radius-lg:0.75rem;--transition-fast:150ms ease-in-out;--transition-base:200ms ease-in-out;--transition-slow:300ms ease-in-out}*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;overflow-x:hidden}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--color-text);background-color:var(--color-background);line-height:1.6}a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-lg);font-weight:500;line-height:1.5;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all var(--transition-base);white-space:nowrap}.btn,.btn-sm{font-size:.875rem}.btn-sm{height:40px;padding:0 16px;font-weight:600}.btn-lg{height:56px;padding:0 20px;font-size:1rem;font-weight:600}.btn-logout{min-width:88px}.btn-primary{background-color:var(--color-accent);color:#fff;border-color:var(--color-accent)}.btn-primary:hover{background-color:#2563eb;border-color:#2563eb;color:#fff}.btn-primary:active{background-color:#1d4ed8}.btn-secondary{background-color:var(--color-background);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{background-color:var(--color-gray-50);border-color:var(--color-gray-300)}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background-color:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-base)}.card:hover{box-shadow:var(--shadow-md)}.card-header{margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--color-border)}.card-title{font-size:1.125rem;font-weight:600;color:var(--color-primary);margin:0}.card-body{color:var(--color-text)}.status-indicator{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);font-size:.875rem;font-weight:500}.status-success{background-color:#d1fae5;color:#065f46}.status-error{background-color:#fee2e2;color:#991b1b}.status-warning{background-color:#fef3c7;color:#92400e}.status-loading{background-color:var(--color-gray-100);color:var(--color-gray-600)}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;margin-bottom:var(--spacing-sm);font-weight:500}.form-input,.form-label{font-size:.875rem;color:var(--color-text)}.form-input{width:100%;padding:var(--spacing-sm) var(--spacing-md);line-height:1.5;background-color:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px rgba(59,130,246,.1)}.form-input:disabled{background-color:var(--color-gray-50);cursor:not-allowed}.text-center{text-align:center}.text-primary{color:var(--color-primary)}.text-accent{color:var(--color-accent)}.text-muted{color:var(--color-gray-500)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.page-container{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1280px;margin:0 auto;padding:0 var(--spacing-md)}@media (min-width:640px){.container{padding:0 var(--spacing-lg)}}@media (min-width:1024px){.container{padding:0 var(--spacing-xl)}}.page-header{border-bottom:1px solid var(--color-border);background-color:var(--color-background)}.app-header{background-color:var(--color-primary);color:#fff;padding:16px 0}.app-header-inner{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md);display:flex;align-items:center;justify-content:space-between}.app-logo{font-size:1.125rem;font-weight:600;letter-spacing:.5px}.plan-box{background-color:var(--color-gray-50);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-md);font-size:.875rem;color:var(--color-text);max-height:200px;overflow:auto;white-space:pre-wrap}.header-content{display:flex;justify-content:space-between;align-items:center;height:4rem}.logo-text{font-size:1.25rem;font-weight:600;color:var(--color-primary);margin:0}.header-nav{gap:var(--spacing-md)}.header-nav,.hero-section{display:flex;align-items:center}.hero-section{flex:1 1;justify-content:center;padding:var(--spacing-2xl) var(--spacing-md)}.hero-container{max-width:64rem;width:100%;text-align:center}.hero-title{font-size:2.25rem;font-weight:700;color:var(--color-primary);margin-bottom:var(--spacing-md);line-height:1.2}@media (min-width:640px){.hero-title{font-size:3rem}}.hero-subtitle{font-size:1.25rem;color:var(--color-gray-600);margin-bottom:var(--spacing-xl)}.hero-cta{margin:0 auto var(--spacing-xl);display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md)}.hero-register{font-size:.875rem;color:var(--color-gray-600)}.hero-register-link{color:var(--color-accent);font-weight:500}.hero-register-link:hover{text-decoration:underline}.status-card{max-width:600px;margin:2rem auto}.features-section{max-width:1200px;margin:0 auto;padding:0 var(--spacing-xl)}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:2rem;gap:2rem}@media (min-width:768px){.features-grid{grid-template-columns:repeat(3,1fr)}}.feature-card{text-align:left}.feature-title{font-size:1rem;font-weight:600;color:var(--color-primary);margin-bottom:var(--spacing-sm)}.feature-description{font-size:.875rem;color:var(--color-gray-600);line-height:1.5}.status-card .card-body{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm)}.status-icon{font-size:1rem;font-weight:600}.status-success .status-icon{color:var(--color-success)}.status-error .status-icon{color:var(--color-error)}.status-version{font-size:.875rem;color:var(--color-gray-500);margin-top:var(--spacing-sm)}.spinner{display:inline-block;width:1rem;height:1rem;border:2px solid var(--color-gray-400);border-top:2px solid transparent;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.page-footer{border-top:1px solid var(--color-border);background-color:var(--color-background);padding:var(--spacing-lg) 0}.footer-text{text-align:center;font-size:.875rem;color:var(--color-gray-500)}@media (max-width:768px){:root{--spacing-xl:1.5rem;--spacing-2xl:2rem}.hero-title{font-size:1.875rem}.hero-subtitle{font-size:1.125rem}.features-grid{grid-template-columns:1fr}}@media (max-width:640px){.features-section{padding:0 var(--spacing-md)}}