.query-container {
            max-width: 600px;
            margin: 60px auto 40px;
            padding: 0 20px;
        }

        .query-card {
            background: white;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            padding: 40px;
            margin-bottom: 30px;
        }

        .query-title {
            font-size: 2rem;
            font-weight: 700;
            color: #1f2937;
            text-align: center;
            margin-bottom: 10px;
        }

        .query-subtitle {
            text-align: center;
            color: #6b7280;
            margin-bottom: 30px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 8px;
            font-size: 0.95rem;
        }

        .form-group .required {
            color: #ef4444;
        }

        .form-input {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .form-input input {
            flex: 1 1 auto;
            padding: 12px 16px;
            border: 1px solid #d1d5db;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: all 0.3s ease;
            height: 44px;
            box-sizing: border-box;
            min-width: 200px;
        }

        .form-input input:focus {
            outline: none;
            border-color: #3b82f6;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }

        .form-input .btn-submit {
            background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
            color: white;
            padding: 10px 16px;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.9rem;
            white-space: nowrap;
            min-width: 70px;
            width: auto;
        }

        .form-input .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
        }

        .btn-submit:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .error-message {
            display: none;
            background: #fee2e2;
            border: 1px solid #fecaca;
            color: #991b1b;
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .error-message.show {
            display: block;
        }

        .result-container {
            display: none;
            margin-top: 30px;
            padding-top: 30px;
            border-top: 1px solid #e5e7eb;
        }

        .result-container.show {
            display: block;
        }

        .result-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 20px;
        }

        .result-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        .result-item {
            background: #f9fafb;
            padding: 16px;
            border-radius: 8px;
        }

        .result-label {
            font-size: 0.85rem;
            color: #6b7280;
            margin-bottom: 6px;
        }

        .result-value {
            font-size: 1.05rem;
            font-weight: 600;
            color: #1f2937;
        }

        .success-box {
            background: #dcfce7;
            border: 1px solid #bbf7d0;
            border-radius: 8px;
            padding: 16px;
            margin-top: 20px;
            display: flex;
            gap: 12px;
        }

        .success-box i {
            color: #16a34a;
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .success-content h3 {
            font-weight: 700;
            color: #15803d;
            margin: 0 0 4px 0;
        }

        .success-content p {
            font-size: 0.9rem;
            color: #166534;
            margin: 0;
        }

        .help-box {
            background: #dbeafe;
            border: 1px solid #bfdbfe;
            border-radius: 8px;
            padding: 16px;
            margin-top: 20px;
        }

        .help-box h3 {
            font-weight: 700;
            color: #0c4a6e;
            margin: 0 0 12px 0;
        }

        .help-box ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .help-box li {
            display: flex;
            gap: 8px;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: #0369a1;
        }

        .help-box li:last-child {
            margin-bottom: 0;
        }

        .help-box li:before {
            content: '•';
            flex-shrink: 0;
            color: #0284c7;
        }

        @media (max-width: 768px) {
            .query-container {
                margin-top: 40px;
            }

            .query-card {
                padding: 24px;
            }

            .query-title {
                font-size: 1.5rem;
            }

            .result-grid {
                grid-template-columns: 1fr;
            }
        }