/* Upload Zone Specific Styles */
.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    background-color: var(--color-surface);
    cursor: pointer;
    transition: all 0.2s;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.upload-zone:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
}

.upload-zone.is-loading {
    pointer-events: none;
    opacity: 0.85;
}

.upload-zone.is-loading .upload-icon,
.upload-zone.is-loading .upload-title,
.upload-zone.is-loading .upload-subtitle {
    opacity: 0.5;
}

.upload-zone:hover:not(.is-loading),
.upload-zone.dragover {
    border-color: var(--pole-as);
    background-color: var(--pole-as-bg);
}

.upload-icon {
    margin-bottom: var(--space-md);
    color: var(--color-muted);
    transition: color 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

.upload-zone:hover .upload-icon,
.upload-zone.dragover .upload-icon {
    color: var(--pole-as);
    transform: scale(1.05);
}

.upload-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.upload-subtitle {
    color: var(--color-muted);
}

/* Upload Progress */
.upload-progress {
    width: 100%;
    max-width: 300px;
    margin-top: var(--space-xl);
}

.progress-bar-container {
    height: 6px;
    background-color: var(--color-border);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.progress-bar {
    height: 100%;
    background-color: var(--color-primary);
    width: 0%;
    transition: width 0.3s ease;
    animation: progress-indeterminate 2s infinite linear;
}

@keyframes progress-indeterminate {
    0% {
        width: 0%;
        transform: translateX(-100%);
    }

    50% {
        width: 50%;
    }

    100% {
        width: 100%;
        transform: translateX(100%);
    }
}

.progress-text {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 500;
    min-height: 1.2em;
}

.upload-view .alert--error {
    margin-top: var(--space-lg);
}