/* Veila App - File Upload & Drag-and-Drop Component */

/* Drag and Drop Overlay */
.drag-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(8, 8, 8, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: var(--z-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
    border-radius: var(--radius-xl);
    border: 2px dashed var(--accent-electric);
}

.drag-overlay.active {
    opacity: 1;
}

.drag-overlay-content {
    text-align: center;
    color: var(--text-primary);
    pointer-events: none;
}

.drag-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: dragBounce 1.5s ease-in-out infinite;
}

.drag-overlay-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--accent-electric);
    font-weight: 600;
}

.drag-overlay-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@keyframes dragBounce {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* File Upload Input Styling */
.file-upload-area {
    border: 2px dashed var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    background: var(--glass-secondary);
}

.file-upload-area:hover {
    border-color: var(--accent-electric);
    background: var(--glass-hover);
}

.file-upload-area.dragover {
    border-color: var(--accent-electric);
    background: var(--glass-hover);
    transform: scale(1.02);
}

.file-upload-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.file-upload-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.file-upload-hint {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

.file-upload-input {
    display: none;
}

/* File List */
.file-list {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--glass-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.file-item:hover {
    background: var(--glass-hover);
    border-color: var(--border-active);
}

.file-item-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    min-width: 0;
}

.file-item-icon {
    font-size: 1.2rem;
    color: var(--accent-electric);
}

.file-item-details {
    flex: 1;
    min-width: 0;
}

.file-item-name {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 400;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-item-size {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.file-item-remove {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-size: 1rem;
}

.file-item-remove:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* Upload Progress */
.upload-progress {
    margin-top: 0.5rem;
    background: var(--glass-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    height: 4px;
}

.upload-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-electric));
    transition: width var(--transition-base);
    border-radius: var(--radius-full);
}

.upload-status {
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-align: center;
}

/* Error States */
.file-upload-error {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

.file-error-message {
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    text-align: center;
}

/* Success States */
.file-upload-success {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.05);
}

.file-success-message {
    color: #10b981;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .drag-overlay-content h3 {
        font-size: 1.2rem;
    }
    
    .drag-icon {
        font-size: 3rem;
    }
    
    .file-upload-area {
        padding: 1.5rem;
    }
    
    .file-item {
        padding: 0.5rem 0.75rem;
    }
    
    .file-item-name {
        font-size: 0.85rem;
    }
}