body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
}
.qonvert-dark {
    background: #121212;
}
.qonvert-light {
    background: #f8f8f8;
}
.drop-zone {
    border: 2px dashed #4a4a4a;
    transition: all 0.3s ease;
}
.drop-zone.dragover {
    border-color: #1db954;
    background-color: rgba(29, 185, 84, 0.1);
    transform: scale(1.02);
}
.progress-bar {
    background: linear-gradient(90deg, #1db954, #1ed760);
    border-radius: 999px;
}
.btn-primary {
    background: linear-gradient(135deg, #1db954 0%, #1ed760 100%);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #1aa34a 0%, #1dd261 100%);
}
.card-hover {
    transition: all 0.3s ease;
}
.card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.pulse-animation {
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}
.qonvert-green {
    color: #1db954;
}
.qonvert-dark .qonvert-green {
    color: #1db954;
}
.qonvert-light .qonvert-green {
    color: #1db954;
}
.file-count-badge {
    background: rgba(29, 185, 84, 0.2);
    color: #1db954;
}
.transparent-btn {
    background: transparent;
    border: 2px solid #1db954;
    color: #1db954;
}
.transparent-btn:hover {
    background: rgba(29, 185, 84, 0.1);
}
.install-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #1db954;
    color: white;
    padding: 12px;
    text-align: center;
    display: none;
    z-index: 1000;
}
.install-banner.show {
    display: block;
}
.preview-btn {
    background: #2d3748;
    color: #e2e8f0;
    border: none;
    padding: 0.5rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s;
}
.preview-btn:hover {
    background: #4a5568;
    color: #f7fafc;
}
.preview-btn i {
    font-size: 1rem;
}