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;background-color:#f5f5f5}*{box-sizing:border-box}.container{max-width:800px;margin:0 auto;padding:20px}.header{text-align:center;margin-bottom:40px}.header h1{color:#333;margin-bottom:10px}.header p{color:#666;font-size:16px}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;background:#f8fafc;min-height:100vh;color:#334155}.App{min-height:100vh;display:flex;flex-direction:column}.navbar{background:#fff;border-bottom:1px solid #e2e8f0;box-shadow:0 1px 3px #0000001a;position:sticky;top:0;z-index:100}.nav-content{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.nav-brand h1{font-size:1.5rem;margin:0;color:#1e293b;font-weight:600}.nav-auth{display:flex;align-items:center;gap:1rem}.main-content{flex:1;display:flex;align-items:flex-start;justify-content:center;padding:2rem;min-height:calc(100vh - 80px)}.checker-container{text-align:center;max-width:800px;width:100%}.checker-container h2{font-size:1.75rem;color:#1e293b;margin-bottom:2rem;font-weight:500}.user-info{display:flex;align-items:center;gap:1rem;color:#64748b}.user-info span{font-size:.9rem;font-weight:500}.login-btn,.logout-btn{background:#3b82f6;color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-size:.9rem;font-weight:500;transition:all .2s ease}.login-btn:hover,.logout-btn:hover{background:#2563eb;transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.logout-btn{background:#ef4444}.logout-btn:hover{background:#dc2626;box-shadow:0 4px 12px #ef44444d}.domain-checker{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 20px #00000014;max-width:500px;margin:0 auto;border:1px solid #e2e8f0}.domain-form{margin-bottom:30px}.input-group{display:flex;gap:10px;margin-bottom:20px}.domain-input{flex:1;padding:12px 16px;border:2px solid #e1e5e9;border-radius:8px;font-size:16px;transition:border-color .3s ease}.domain-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.domain-input:disabled{background-color:#f8f9fa;cursor:not-allowed}.check-button{padding:12px 24px;background:#3b82f6;color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease;min-width:140px}.check-button:hover:not(:disabled){background:#2563eb;transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.check-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.error-message{background-color:#fee;color:#c53030;padding:12px 16px;border-radius:8px;border-left:4px solid #c53030;margin-bottom:20px}.result{padding:20px;border-radius:8px;text-align:center;animation:slideIn .3s ease-out}.result.available{background-color:#f0fff4;border:2px solid #38a169;color:#2d5a3d}.result.unavailable{background-color:#fff5f5;border:2px solid #e53e3e;color:#742a2a}.result.unknown{background-color:#fffbf0;border:2px solid #f6ad55;color:#744210}.result h3{margin:0 0 10px;font-size:1.5rem;word-break:break-all}.result p{margin:0 0 15px;font-size:1.1rem}.status-indicator{font-size:1.2rem;font-weight:700;margin-bottom:10px}.status-text{font-size:1rem;margin:10px 0;opacity:.8}.domain-details{margin-top:20px;padding:15px;background-color:#0000000d;border-radius:6px;text-align:left}.detail-item{margin-bottom:8px;font-size:.9rem}.detail-item strong{display:inline-block;width:80px;color:#333}.error-note,.fallback-note{margin-top:15px;padding:8px 12px;border-radius:4px;font-style:italic}.error-note{background-color:#e53e3e1a;color:#c53030}.fallback-note{background-color:#f6ad551a;color:#744210}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 600px){.input-group{flex-direction:column}.check-button{width:100%}}.auth-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.auth-modal{background:#fff;border-radius:8px;padding:2rem;max-width:400px;width:90%;max-height:90vh;overflow-y:auto;position:relative;box-shadow:0 4px 20px #00000026}.close-button{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:1.5rem;cursor:pointer;color:#666;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center}.close-button:hover{color:#000}.auth-form{max-width:100%}.auth-form h2{text-align:center;margin-bottom:1.5rem;color:#333}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:#333}.form-group input{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem;transition:border-color .3s ease;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#007bff;box-shadow:0 0 0 2px #007bff40}.error-message{background-color:#f8d7da;color:#721c24;padding:.75rem;border-radius:4px;margin-bottom:1rem;border:1px solid #f5c6cb}.auth-form button[type=submit]{width:100%;padding:.75rem;background-color:#007bff;color:#fff;border:none;border-radius:4px;font-size:1rem;cursor:pointer;transition:background-color .3s ease;margin-bottom:1rem}.auth-form button[type=submit]:hover:not(:disabled){background-color:#0056b3}.auth-form button[type=submit]:disabled{background-color:#6c757d;cursor:not-allowed}.link-button{background:none;border:none;color:#007bff;cursor:pointer;text-decoration:underline;font-size:inherit}.link-button:hover{color:#0056b3}.auth-form p{text-align:center;margin-top:1rem;color:#666}.user-info{display:flex;align-items:center;gap:1rem}.user-email{color:#333;font-weight:500}.logout-button{background:none;border:1px solid #dc3545;color:#dc3545;padding:.5rem 1rem;border-radius:4px;cursor:pointer;font-size:.875rem;transition:all .3s ease}.logout-button:hover{background-color:#dc3545;color:#fff}.login-button{background-color:#007bff;color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;cursor:pointer;font-size:.875rem;transition:background-color .3s ease}.login-button:hover{background-color:#0056b3}.search-history{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 20px #00000014;border:1px solid #e2e8f0;margin-top:2rem;max-width:600px;margin-left:auto;margin-right:auto}.history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid #e2e8f0}.history-header h3{margin:0;color:#1e293b;font-size:1.25rem;font-weight:600}.refresh-btn{background:#f1f5f9;color:#64748b;border:1px solid #e2e8f0;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-size:.9rem;transition:all .2s ease;display:flex;align-items:center;gap:.5rem}.refresh-btn:hover:not(:disabled){background:#e2e8f0;color:#475569}.refresh-btn:disabled{opacity:.6;cursor:not-allowed}.error-message{background-color:#fef2f2;color:#dc2626;padding:12px 16px;border-radius:8px;border-left:4px solid #dc2626;margin-bottom:1rem}.loading{text-align:center;color:#64748b;padding:2rem;font-style:italic}.empty-history{text-align:center;color:#64748b;padding:2rem}.empty-history p{margin:0;font-style:italic}.history-list{display:flex;flex-direction:column;gap:.75rem}.history-item{padding:1rem;border:1px solid #e2e8f0;border-radius:8px;background:#f8fafc;transition:all .2s ease}.history-item:hover{background:#f1f5f9;border-color:#cbd5e1}.domain-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.domain-name{font-weight:600;color:#1e293b;font-size:1rem}.status{padding:.25rem .75rem;border-radius:20px;font-size:.8rem;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.status.available{background:#dcfce7;color:#166534}.status.unavailable{background:#fef2f2;color:#dc2626}.status.unknown{background:#fef3c7;color:#d97706}.search-meta{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:#64748b}.search-date{font-weight:500}.search-method{background:#e2e8f0;padding:.2rem .5rem;border-radius:4px;font-size:.75rem}@media (max-width: 600px){.search-history{margin:1rem;padding:1rem}.history-header{flex-direction:column;gap:1rem;align-items:stretch}.domain-info{flex-direction:column;align-items:flex-start;gap:.5rem}.search-meta{flex-direction:column;align-items:flex-start;gap:.25rem}}