/* Container */
.tool-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 16px;
}

/* Upload Box */
.upload-box {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    text-align: center;
    background-color: var(--bg-surface);
    transition: all 0.3s;
    cursor: pointer;
}

.upload-box:hover, .upload-box.dragover {
    border-color: var(--primary-blue);
    background-color: var(--primary-light);
}

.icon-circle {
    width: 64px;
    height: 64px;
    background-color: var(--primary-light);
    color: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.upload-content h3 {
    margin-bottom: 8px;
    color: var(--text-main);
}

.upload-content p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.primary-btn {
    background-color: var(--primary-blue);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform 0.2s;
}

.primary-btn:active {
    transform: scale(0.95);
}

/* Workspace */
.hidden { display: none; }

.settings-card {
    background-color: var(--bg-surface);
    padding: 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.settings-card label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--text-main);
    display: flex;
    justify-content: space-between;
}

input[type=range] {
    width: 100%;
    accent-color: var(--primary-blue);
}

/* Preview Grid */
.preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.preview-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px;
    position: relative;
}

.preview-card img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
}

.badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0,0,0,0.6);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
}

.badge.success {
    background: var(--accent-green);
}

.file-info {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

.highlight {
    color: var(--accent-green);
    font-weight: 600;
}

/* Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.full-width { width: 100%; }

.secondary-btn {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-main);
    padding: 12px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
}

/* Mobile Adjustments */
@media (max-width: 600px) {
    .preview-grid {
        grid-template-columns: 1fr; /* Stack vertically on phone */
    }
}