body {
    font-family: 'Roboto', sans-serif;
    background-color: #f0f4f8;
    color: #2d3748;
}
.container {
    width: 95%;
    max-width: 1200px;
    margin: 40px auto;
    padding: 30px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.1), 0 10px 20px -5px rgba(0, 0, 0, 0.04);
}
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c5282;
    text-align: center;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}
input, button {
    padding: 12px;
    margin: 15px 0;
    border-radius: 10px;
    transition: all 0.3s ease;
}
input {
    border: 2px solid #e2e8f0;
    outline: none;
    font-size: 1.1rem;
    width: 100%;
}
input:focus {
    border-color: #4299e1;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.5);
}
button {
    background-color: #4299e1;
    color: white;
    font-weight: bold;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: auto;
    padding: 10px 20px;
    display: block;
    margin: 15px auto;
}
button:hover {
    background-color: #3182ce;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(50, 50, 93, 0.11), 0 1px 3px rgba(0, 0, 0, 0.08);
}
button:disabled {
    background-color: #a0aec0;
    cursor: not-allowed;
}
.results {
    margin-top: 30px;
}
.record-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c5282;
    margin-bottom: 15px;
    border-bottom: 2px solid #4299e1;
    padding-bottom: 5px;
}
.record-container {
    margin-bottom: 30px;
    padding: 20px;
    background-color: #edf2f7;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}
.record-container:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 15px;
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    table-layout: fixed;
}
th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
    word-break: break-word;
    overflow: hidden;
    text-overflow: ellipsis;
}
th {
    background-color: #4299e1;
    color: white;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}
tr:last-child td {
    border-bottom: none;
}
tr:nth-child(even) {
    background-color: #f7fafc;
}
footer {
    text-align: center;
    padding: 20px 0;
    font-size: 0.9rem;
    color: #718096;
}
footer a {
    color: #4299e1;
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}
@media (max-width: 640px) {
    .container {
        width: 98%;
        padding: 20px;
        margin: 20px auto;
    }
    h1 {
        font-size: 2rem;
    }
    .record-title {
        font-size: 1.2rem;
    }
    th, td {
        font-size: 0.9rem;
        padding: 10px;
    }
    button {
        font-size: 0.9rem;
        padding: 8px 16px;
    }
}