.qr-scan-tip {
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid rgba(76, 175, 80, 0.35);
    background: rgba(76, 175, 80, 0.08);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.92rem;
    line-height: 1.45;
}

.qr-preview,
.qr-image-preview {
    display: block;
    max-width: 100%;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: #000;
}

.qr-preview.hidden,
.qr-image-preview.hidden,
.qr-screen-crop.hidden {
    display: none;
}

.qr-screen-crop {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.qr-screen-note {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.85;
}

.qr-screen-wrap {
    overflow: auto;
    max-height: min(70vh, 520px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: #000;
}

.qr-screen-canvas {
    display: block;
    max-width: 100%;
    cursor: crosshair;
    touch-action: none;
}

.qr-result-block label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    opacity: 0.85;
}

.qr-result-block textarea {
    width: 100%;
    resize: vertical;
    min-height: 72px;
}