/* Custom styles for YouTube Downloader */

body {
    background-color: var(--bs-body-bg);
}

.navbar-brand {
    font-weight: 600;
}

.navbar-brand i {
    margin-right: 0.5rem;
}

.card {
    border: 1px solid var(--bs-border-color);
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.card-header {
    background-color: var(--bs-secondary-bg);
    border-bottom: 1px solid var(--bs-border-color);
}

.card-title i {
    margin-right: 0.5rem;
}

#videoThumbnail {
    max-height: 200px;
    object-fit: cover;
}

.file-item {
    padding: 0.75rem;
    border: 1px solid var(--bs-border-color);
    border-radius: 0.375rem;
    margin-bottom: 0.5rem;
    transition: background-color 0.15s ease-in-out;
}

.file-item:hover {
    background-color: var(--bs-secondary-bg);
}

.file-size {
    font-size: 0.875rem;
    color: var(--bs-secondary);
}

.progress {
    height: 1.5rem;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Format select styling */
#formatSelect option {
    padding: 0.5rem;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Success animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

/* Custom alert styles */
.alert {
    border: none;
    border-radius: 0.5rem;
}

.alert i {
    margin-right: 0.5rem;
}

/* Download button states */
.btn-downloading {
    position: relative;
    color: transparent !important;
}

.btn-downloading::after {
    content: '';
    position: absolute;
    width: 1rem;
    height: 1rem;
    top: 50%;
    left: 50%;
    margin-left: -0.5rem;
    margin-top: -0.5rem;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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