.pct-wrapper {
    border: 1px solid #ddd;
    padding: 16px;
    border-radius: 12px;
    background: #fafafa;
    max-width: 1100px;
    margin: 0 auto;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.pct-header h2 {
    margin: 0 0 4px;
    font-size: 20px;
}

.pct-header p {
    margin: 0 0 16px;
    font-size: 13px;
    color: #555;
}

.pct-upload {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.pct-file-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: #2563eb;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
}

.pct-file-label input[type="file"] {
    display: none;
}

.pct-file-name {
    font-size: 13px;
    color: #444;
}

.pct-main {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.pct-canvas-wrapper {
    flex: 1 1 60%;
    min-width: 280px;
}

.pct-canvas-inner {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #ddd;
    background: #fff;
    min-height: 200px;
}

#pct-canvas,
#pct-overlay {
    display: block;
    width: 100%;
    height: auto;
}

#pct-canvas {
    position: relative;
    z-index: 1;
}

#pct-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    cursor: crosshair;
}

.pct-page-info {
    margin-top: 8px;
    font-size: 12px;
    color: #555;
}

.pct-sidebar {
    flex: 0 0 280px;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pct-box {
    border-radius: 12px;
    border: 1px solid #ddd;
    background: #fff;
    padding: 12px 14px;
    font-size: 13px;
}

.pct-box h3 {
    margin: 0 0 6px;
    font-size: 14px;
}

.pct-hints {
    margin: 0 0 8px 16px;
    padding: 0;
    list-style: disc;
    font-size: 12px;
    color: #555;
}

.pct-buttons {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.pct-btn {
    border-radius: 999px;
    border: none;
    padding: 6px 12px;
    font-size: 13px;
    cursor: pointer;
    transition: opacity 0.15s ease, transform 0.05s ease;
    white-space: nowrap;
}

.pct-btn-primary {
    background: #16a34a;
    color: #fff;
}

.pct-btn-secondary {
    background: #e5e7eb;
    color: #111827;
}

.pct-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pct-btn:not(:disabled):active {
    transform: scale(0.97);
}

.pct-meta {
    font-size: 12px;
    color: #444;
    display: grid;
    gap: 2px;
}

.pct-status-box {
    font-size: 12px;
}

.pct-status {
    font-size: 12px;
    color: #2563eb;
}

.pct-status-error {
    color: #b91c1c;
}

.pct-status-success {
    color: #15803d;
}

@media (max-width: 768px) {
    .pct-main {
        flex-direction: column;
    }
    .pct-sidebar {
        max-width: 100%;
    }
}