#checklist-app {
    max-width: 750px;
    margin: 0 auto;
    font-family: -apple-system, system-ui, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.checklist-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}
.checklist-header h3 {
    margin: 0;
}
.progress-text {
    background: #0073aa;
    color: #fff;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 14px;
}
.progress-bar-wrap {
    width: 100%;
    height: 6px;
    background: #eee;
    border-radius: 3px;
    margin-bottom: 20px;
}
.progress-bar {
    height: 100%;
    background: #0073aa;
    border-radius: 3px;
    transition: width 0.4s;
}
.car-id-wrap {
    background: #f5f7fa;
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
}
.car-id-wrap label {
    font-weight: 500;
}
.car-id-wrap input {
    padding: 6px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 60%;
}
.item-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 24px 28px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border-left: 6px solid #e0e0e0;
    transition: 0.25s;
}
.item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 12px;
}
.item-category {
    background: #eef3ff;
    color: #0073aa;
    padding: 2px 14px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
}
.item-number {
    color: #999;
    font-size: 14px;
}
#item-title {
    margin: 16px 0 8px 0;
    font-size: 22px;
}
#item-desc {
    color: #555;
    margin-bottom: 16px;
    font-size: 15px;
}
.item-guide {
    background: #f8faff;
    border-left: 4px solid #0073aa;
    padding: 14px 18px;
    border-radius: 4px;
    margin-bottom: 18px;
}
.guide-label {
    font-weight: 600;
    font-size: 14px;
    color: #0073aa;
}
.guide-label.success {
    color: #28a745;
    margin-top: 10px;
}
.guide-content {
    font-size: 14px;
    color: #333;
    margin-top: 4px;
    line-height: 1.6;
}
.btn-group {
    display: flex;
    gap: 12px;
    margin-top: 10px;
}
.btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}
.btn:hover {
    opacity: 0.88;
    transform: scale(1.01);
}
.btn:active {
    transform: scale(0.97);
}
.btn-pass {
    background: #28a745;
    color: #fff;
}
.btn-fail {
    background: #dc3545;
    color: #fff;
}
.btn-secondary {
    background: #6c757d;
    color: #fff;
}
.btn-primary {
    background: #0073aa;
    color: #fff;
}
.btn-skip {
    display: block;
    width: 100%;
    margin-top: 8px;
    background: transparent;
    color: #999;
    border: none;
    padding: 8px;
    font-size: 13px;
    cursor: pointer;
    text-decoration: underline;
}
.report-area {
    margin-top: 25px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 20px 28px;
}
.report-content {
    background: #f8f9fa;
    padding: 16px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 14px;
    white-space: pre-wrap;
    line-height: 1.8;
    max-height: 400px;
    overflow-y: auto;
}
.report-actions {
    margin-top: 15px;
    display: flex;
    gap: 10px;
}
.footer-info {
    margin-top: 15px;
    font-size: 13px;
    color: #888;
    text-align: center;
}
#report-area h3 {
    margin-top: 0;
}