/* Site-wide styles */
html {
    position: relative;
    min-height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: #f8f9fa;
}

/* Card hover effect */
.card {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
}

/* Progress bar enhancements */
.progress {
    background-color: #e9ecef;
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    border-radius: 10px;
    transition: width 0.3s ease;
}

/* Download button states */
#downloadBtn {
    transition: all 0.3s ease;
}

#downloadBtn:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.4);
}

#downloadBtn:disabled {
    cursor: not-allowed;
}

#downloadBtn.downloading {
    background-color: #198754;
    border-color: #198754;
}

#downloadBtn.completed {
    background-color: #198754;
    border-color: #198754;
}

#downloadBtn.error {
    background-color: #dc3545;
    border-color: #dc3545;
}

/* File icon animation */
.file-icon {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Alert enhancements */
.alert {
    border: none;
    border-radius: 12px;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-success {
    background-color: #d1e7dd;
    color: #0f5132;
}

.alert-danger {
    background-color: #f8d7da;
    color: #842029;
}

/* Navbar */
.navbar-brand {
    font-weight: 600;
}

/* Footer */
.footer {
    background-color: #f8f9fa;
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .display-5 {
        font-size: 1.75rem;
    }
    
    .lead {
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1.5rem !important;
    }
}

/* Loading spinner for file info */
.spinner-border-sm {
    width: 0.875rem;
    height: 0.875rem;
}

/* Status text animations */
#statusText {
    transition: color 0.3s ease;
}

#statusText.downloading {
    color: #0d6efd;
}

#statusText.completed {
    color: #198754;
}

#statusText.error {
    color: #dc3545;
}

/* Badge transitions */
#progressPercent {
    transition: background-color 0.3s ease;
    min-width: 50px;
    text-align: center;
}

/* Speed indicator */
#downloadSpeed {
    font-family: 'Courier New', monospace;
    min-width: 80px;
    text-align: center;
}