* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.tab-button {
    padding: 4px 5px;
    background-color: inherit;
    border: none;
    outline: none;
    cursor: pointer;
    transition: 0.3s;
    flex: 1;
    text-align: center;
}

.tab-button:hover {
    background-color: #ddd;
}

.tab-button.active {
    background-color: white;
    border-bottom: 3px solid #2575fc;
    color: #2575fc;
}

.tab-content {
    display: none;
    padding: 10px;
    animation: fadeEffect 0.5s;
}

@keyframes fadeEffect {
    from {opacity: 0;}
    to {opacity: 1;}
}

.input-group {
    margin-bottom: 10px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.input-field {
    flex: 1;
    min-width: 100px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #555;
}

input, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    transition: border 0.3s;
}

input:focus, textarea:focus {
    border-color: #2575fc;
    outline: none;
    box-shadow: 0 0 5px rgba(37, 117, 252, 0.3);
}

textarea {
    min-height: 100px;
    resize: vertical;
}

button {
    background-color: #2575fc;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #1a68e8;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #f8f9fa;
    color: #555;
}

tr:hover {
    background-color: #f1f7ff;
}

.json-area {
    margin-top: 20px;
}

.json-textarea {
    font-family: monospace;
    min-height: 150px;
}

.range-inputs {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.range-inputs .input-field {
    flex: 1;
}

.action-buttons {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    margin-bottom: 10px;
}