/* Base styles and CSS reset */
:root {
    --primary-color: #0073e6;
    --primary-dark: #005bb5;
    --text-color: #333;
    --background-color: #fdfdfd;
    --border-color: #ccc;
    --header-bg: #333;
    --header-text: #fff;
    --loading-overlay: rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Typography */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--background-color);
}

/* Layout */
header {
    background: var(--header-bg);
    color: var(--header-text);
    padding: 1rem;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

footer {
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
    background: var(--header-bg);
    color: var(--header-text);
}

/* Search Section */
.search-section {
    margin-bottom: 2rem;
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: 0.5rem;
}

.search-container input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.search-container input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.search-filter {
    max-width: 210px;
}

/* Table Styles */
.table-responsive {
    margin-bottom: 1rem;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

th, td {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    text-align: left;
    justify-content:center;
}

th {
    background: #f5f5f5;
    font-weight: 600;
}

tbody tr:hover {
    background: #f8f9fa;
}

.details-button {
    padding: 0.75rem 1.5rem;
    background: #27ae60;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
    width: 100%;
    margin-bottom: 0.25rem;
}

.details-button:hover {
    background: #1f894b;
}

/* Results Section */
.results-section {
    margin-bottom: 2rem;
    background: white;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.results-heading {
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.toggle-icon {
    transition: transform 0.3s ease;
}

.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.results-content {
    transition: max-height 0.3s ease;
}

.collapsed .results-content {
    max-height: 0;
    overflow: hidden;
}

th[data-sort="index"] {
    min-width: 60px;
}

/* Loading Indicator */
.loading-indicator {
    display: none;
    text-align: center;
    padding: 1rem;
}

.spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Modal Styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--loading-overlay);
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.details-container {
    background: white;
    padding: 0.25rem 0.25rem 2rem 3rem;
    border-radius: 4px;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.details-header {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.details-header img {
    max-width: 200px;
    height: auto;
    border-radius: 4px;
}

.details-info h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.details-info p {
    margin-bottom: 0.5rem;
}

.details-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: flex-end;
}

.details-actions button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.details-actions button:first-child {
    background: var(--primary-color);
    color: white;
}

.details-actions button:last-child {
    background: #f5f5f5;
    color: var(--text-color);
}

.details-actions button:hover {
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .search-container {
        flex-direction: column;
    }

    .details-header {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .details-header img {
        margin: 0 auto;
    }

    .details-actions {
        flex-direction: column;
    }
    
    th, td {
        padding: 0.5rem;
        font-size: 0.875rem;
    }
}

/* Accessibility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Status indicators */
.status-queued {
    color: #f39c12;
    font-weight: 600;
    text-align: center;
}

.status-downloading {
    color: #3498db;
    font-weight: 600;
    text-align: center;
}

.status-available {
    color: #27ae60;
    font-weight: 600;
    text-align: center;
}

.status-error {
    color: #e74c3c;
    font-weight: 600;
    text-align: center;
}

.status-done {
    color: black;
    font-weight: 600;
    text-align: center;
}

/* Status table specific styles */
#status-table img {
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

#status-table td {
    vertical-align: middle;
}

.error-message {
    color: #e74c3c;
    text-align: center;
    padding: 1rem !important;
}