/**
 * Drag and Drop Styles - Reusable drag/drop zone styling
 */

.drop-zone {
    border: 3px dashed #e5e7eb;
    border-radius: 20px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    cursor: pointer;
}

.drop-zone.dragover {
    border-color: #10b981;
    background: rgba(236, 253, 245, 0.95);
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.2);
}

.drop-zone:hover {
    border-color: #6b7280;
    background: rgba(249, 250, 251, 0.95);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.drop-zone-icon {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: white;
    margin: 0 auto 24px;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.drop-zone-loading .drop-zone-icon {
    animation: pulse 2s infinite;
}

.btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn.btn-secondary {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.btn.btn-secondary:hover {
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.4);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}