/* General Body & Typography */
body {
    font-family: 'Inter', sans-serif;
    background-color: #f7f8fa;
    color: #3D4351;
    margin: 0;
    line-height: 1.6;
}

/* Header */
header {
    background: linear-gradient(135deg, #6DD5FA, #2980B9);
    color: white;
    padding: 2rem 1rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

header a {
    color: white;
    text-decoration: none;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 700;
}

header h2 {
    margin: 0.5rem 0 0;
    font-size: 1.5rem;
    font-weight: 400;
    opacity: 0.9;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Search Bar on Main Page */
main .search-container {
    display: flex;
    margin-bottom: 2rem;
}

#search-bar {
    flex-grow: 1;
    padding: 1rem;
    font-size: 1.1rem;
    border: 1px solid #dfe1e5;
    border-radius: 24px 0 0 24px; /* Rounded on the left */
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    transition: box-shadow 0.3s;
    border-right: none;
}

#search-bar:focus {
    outline: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

#search-button {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 500;
    border: 1px solid #2980B9;
    background-color: #2980B9;
    color: white;
    border-radius: 0 24px 24px 0; /* Rounded on the right */
    cursor: pointer;
    transition: background-color 0.3s;
}

#search-button:hover {
    background-color: #2471A3;
}


/* Table */
.table-container {
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow-x: auto;
}

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

tr {
    border-bottom: 1px solid #f2f2f2;
}

tr:last-child {
    border-bottom: none;
}

th,
td {
    padding: 1.25rem 1rem;
    text-align: left;
}

thead th {
    background-color: #f9fafb;
    font-weight: 500;
    color: #7A818F;
    cursor: pointer;
    user-select: none;
    position: relative;
}

th .sort-indicator {
    display: inline-block;
    width: 1em;
    height: 1em;
    margin-left: 0.5em;
    opacity: 0.4;
    background-image: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"%3E%3Cpath fill="%237A818F" d="M7 14l5-5 5 5z"/%3E%3C/svg%3E');
    background-repeat: no-repeat;
    background-position: center;
    transition: opacity 0.3s, transform 0.3s;
}

th.sorted-asc .sort-indicator {
    opacity: 1;
    transform: rotate(180deg);
}

th.sorted-desc .sort-indicator {
    opacity: 1;
    transform: rotate(0deg);
}

td a {
    color: #3D4351;
    text-decoration: none;
    transition: color 0.3s;
}

td a:hover {
    color: #2980B9;
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.pagination-controls {
    display: flex;
    align-items: center;
}

.pagination-controls button {
    background: white;
    border: 1px solid #dfe1e5;
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

.pagination-controls button:hover:not(:disabled) {
    background-color: #f2f2f2;
}

.pagination-controls button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.pagination-controls .page-number.active {
    background-color: #2980B9;
    color: white;
    border-color: #2980B9;
}

/* Items Per Page */
.items-per-page-container {
    margin-top: 1rem;
}

#items-per-page {
    padding: 0.5rem;
    border-radius: 4px;
    border: 1px solid #dfe1e5;
}


/* Song Page Specific Styles */
.lyrics-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.lyrics-container.grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.lyrics-section {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

main > h2,
main > h3 {
    text-align: center;
    font-size: 1.75rem; /* Equal font size */
    margin: 0.5rem 0;
}

main > h2 { /* English Name */
    color: #333333;
    /* Darkest */
}

main > h3:nth-of-type(1) { /* Thai Name */
    color: #555555;
    /* Mid-dark */
}

main > h3:nth-of-type(2) { /* Mien-Thai Name */
    color: #777777;
    /* Lighter */
}

.view-controls {
    text-align: center;
    margin-top: 2rem;
}

#change-view-btn {
    background-color: #2980B9;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 24px;
    cursor: pointer;
    transition: background-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

#change-view-btn:hover {
    background-color: #2471A3;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    header h2 {
        font-size: 1.2rem;
    }

    main > h2,
    main > h3 {
        font-size: 1.5rem;
    }

    .pagination-container {
        flex-direction: column;
    }

    .items-per-page-container {
        margin-top: 1.5rem;
    }
}