.auth-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:1rem}.auth-card{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 20px 60px #0000004d;width:100%;max-width:400px}.auth-card h1{margin:0 0 2rem;text-align:center;color:#333;font-size:1.8rem}.auth-form{display:flex;flex-direction:column;gap:1rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:600;color:#555;font-size:.9rem}.form-group input{padding:.75rem;border:2px solid #ddd;border-radius:8px;font-size:1rem;transition:border-color .3s}.form-group input:focus{outline:none;border-color:#667eea}.form-group input:disabled{background-color:#f5f5f5;cursor:not-allowed}.btn-primary{padding:.875rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s;margin-top:.5rem;width:100%}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{padding:.75rem;background:#fff;color:#667eea;border:2px solid #667eea;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;width:100%}.btn-secondary:hover:not(:disabled){background:#f8f9ff;border-color:#764ba2;color:#764ba2}.btn-link{background:none;border:none;color:#667eea;font-size:.9rem;cursor:pointer;padding:.5rem 0;text-decoration:underline}.btn-link:hover:not(:disabled){color:#764ba2}.btn-link:disabled{opacity:.6;cursor:not-allowed}.auth-footer{display:flex;flex-direction:column;gap:.5rem;margin-top:1.5rem;text-align:center}.reset-password{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid #eee}.error-message{padding:.75rem;background-color:#fee;color:#c33;border-radius:6px;font-size:.9rem}.success-message{padding:.75rem;background-color:#efe;color:#3c3;border-radius:6px;font-size:.9rem}.header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 2px 8px #0000001a;position:sticky;top:0;z-index:100}.header-content{max-width:1400px;margin:0 auto;padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center}.header-title{margin:0;font-size:1.5rem;font-weight:700}.header-user{display:flex;align-items:center;gap:1rem}.user-email{font-size:.9rem;opacity:.9}.user-id{font-size:.75rem;opacity:.7;font-family:Courier New,monospace;background:#ffffff1a;padding:.25rem .5rem;border-radius:4px}.btn-signout{background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3);padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-weight:600;transition:all .2s}.btn-signout:hover{background:#ffffff4d}@media (max-width: 768px){.header-content{flex-direction:column;gap:1rem}.header-user{width:100%;justify-content:space-between}}.topic-list{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #0000001a}.topic-list h3{margin:0 0 1rem;font-size:1.2rem;color:#333}.topic-items{display:flex;flex-direction:column;gap:.5rem}.topic-item{display:flex;flex-direction:column;align-items:flex-start;padding:.75rem 1rem;background:#f8f9fa;border:2px solid transparent;border-radius:8px;cursor:pointer;transition:all .2s;text-align:left;width:100%}.topic-item:hover{background:#e9ecef;border-color:#667eea}.topic-item.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:#667eea}.topic-name{font-weight:600;font-size:1rem}.topic-description{font-size:.85rem;opacity:.8;margin-top:.25rem}.loading-small,.error-small{padding:1rem;text-align:center;font-size:.9rem;color:#666}.error-small{color:#c33}.source-list{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #0000001a}.source-list h3{margin:0 0 1rem;font-size:1.2rem;color:#333}.source-items{display:flex;flex-direction:column;gap:.5rem}.source-item{display:flex;flex-direction:column;align-items:flex-start;padding:.75rem 1rem;background:#f8f9fa;border:2px solid transparent;border-radius:8px;cursor:pointer;transition:all .2s;text-align:left;width:100%}.source-item:hover{background:#e9ecef;border-color:#764ba2}.source-item.active{background:linear-gradient(135deg,#764ba2,#667eea);color:#fff;border-color:#764ba2}.source-name{font-weight:600;font-size:1rem}.source-type{font-size:.85rem;opacity:.8;margin-top:.25rem;text-transform:uppercase}.article-list{display:flex;flex-direction:column;gap:1.5rem;padding:1rem;max-width:1200px;margin:0 auto}.article-card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #0000001a;transition:transform .2s,box-shadow .2s}.article-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px #00000026}.article-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1rem}.article-card h2{margin:0;font-size:1.4rem;line-height:1.4;flex:1}.article-card h2 a{color:#333;text-decoration:none;transition:color .2s}.article-card h2 a:hover{color:#667eea}.article-source{background:#667eea;color:#fff;padding:.25rem .75rem;border-radius:20px;font-size:.85rem;font-weight:600;white-space:nowrap}.article-summary{color:#666;line-height:1.6;margin:0 0 1rem}.article-explanation{background:#f8f9ff;border-left:3px solid #667eea;padding:.75rem 1rem;margin:1rem 0;border-radius:4px;font-size:.95rem;color:#444}.article-explanation strong{color:#667eea}.article-footer{display:flex;justify-content:space-between;align-items:center;margin-top:1rem;padding-top:1rem;border-top:1px solid #eee;font-size:.85rem;color:#999}.article-rank{background:#f0f0f0;padding:.25rem .5rem;border-radius:4px;font-weight:600}.loading,.error,.empty{text-align:center;padding:3rem 1rem;font-size:1.1rem;color:#666}.error{color:#c33;background:#fee;border-radius:8px;margin:1rem}@media (max-width: 768px){.article-header{flex-direction:column}.article-source{align-self:flex-start}.article-card h2{font-size:1.2rem}}.dashboard{min-height:100vh;background:#f5f7fa}.dashboard-content{display:grid;grid-template-columns:280px 1fr;gap:1.5rem;max-width:1400px;margin:0 auto;padding:1.5rem}.sidebar{display:flex;flex-direction:column;gap:1.5rem;height:fit-content;position:sticky;top:90px}.main-content{min-height:calc(100vh - 200px)}@media (max-width: 1024px){.dashboard-content{grid-template-columns:240px 1fr}}@media (max-width: 768px){.dashboard-content{grid-template-columns:1fr}.sidebar{position:static}}*{box-sizing:border-box}body{margin:0;font-family:-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}#root{min-height:100vh}
