/* General Page Styling */
body {
    font-family: 'Poppins', sans-serif;
    background: #f4f7fc;
    color: #333;
    margin: 0;
    padding: 20px 0;
}

h2 {
    text-align: center;
    color: #007bff;
    font-weight: 600;
    margin-bottom: 30px;
    font-size: 2em;
}

/* Form Styling */
form#searchForm {
    background: #fff;
    padding: 25px 30px;
    max-width: 750px;
    margin: 0 auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    transition: all 0.3s ease-in-out;
}

form#searchForm:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.2);
}

form#searchForm label {
    font-weight: 600;
    margin-bottom: 5px;
    display: block;
    color: #444;
}

form#searchForm input,
form#searchForm select,
form#searchForm button {
    width: 100%;
    padding: 10px 14px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 16px;
    transition: all 0.3s ease;
}

form#searchForm input:focus,
form#searchForm select:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 8px rgba(0,123,255,0.3);
}

form#searchForm button {
    grid-column: span 2;
    background-color: #007bff;
    color: white;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

form#searchForm button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

/* Loading Spinner */
#loading {
    display: none;
    text-align: center;
    margin-top: 30px;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    animation: spin 1s linear infinite;
    margin: auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Results Table Styling */
#results-container {
    max-width: 95%;
    overflow-x: auto;
    overflow-y: auto;
    margin: 30px auto;
}

#results table {
    width: 100%;
    min-width: 900px; /* ensures scroll on small screens */
    border-collapse: collapse;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

#results table:hover {
    transform: scale(1.01);
}

th, td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

th {
    background-color: #007bff;
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

tr:hover {
    background-color: #e4f0ff;
    transform: scale(1.02);
    transition: all 0.2s ease;
}

td[data-sort-value] {
    font-weight: 500;
}

/* Pagination */
#pagination {
    text-align: center;
    margin-top: 25px;
}

#pagination li {
    display: inline-block;
    margin: 0 5px;
}

#pagination li a {
    display: block;
    padding: 8px 12px;
    background: #007bff;
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

#pagination li a:hover,
#pagination li.active a {
    background-color: #0056b3;
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    form#searchForm {
        grid-template-columns: 1fr;
    }

    form#searchForm button {
        grid-column: span 1;
    }

    #results table {
        min-width: 700px;
    }
}

@media (max-width: 480px) {
    #results table {
        min-width: 600px;
    }
}