body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

h1 {
    text-align: center;
    margin-top: 0;
    color: #111;
}

#searchInput {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s;
}

#searchInput:focus {
    outline: none;
    border-color: #007bff;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 14px 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #555;
}

tr:hover td {
    background-color: #fafafa;
}

button {
    padding: 8px 14px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    font-weight: 500;
    transition: background-color 0.2s, transform 0.1s;
}

button:hover {
    background-color: #0056b3;
}

button:active {
    transform: scale(0.97);
}

button.copied {
    background-color: #28a745;
}