body {
    background-color: #FFFFFF;
    color: #222222;
}

#preference-chart {
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid #D9D9D9;
    border-radius: 12px;
    overflow: hidden;
}

#preference-chart th,
#preference-chart td {
    border-right: 1px solid #D9D9D9;
    border-bottom: 1px solid #D9D9D9;
    padding: 12px;
    text-align: center;
}

#preference-chart tr > :last-child {
    border-right: none;
}

#preference-chart tr:last-child > * {
    border-bottom: none;
}

#preference-chart th {
    background-color: #A6192E;
    color: #FFFFFF;
}

#preference-chart td {
    background-color: #FFFFFF;
    color: #222222;
    cursor: pointer;
}

#preference-chart td[data-preference="OTP"] {
    background-color: #EAA0B1;
}

#preference-chart td[data-preference="좋음"] {
    background-color: #F4C3A1;
}

#preference-chart td[data-preference="괜찮음"] {
    background-color: #F4E3AC;
}

#preference-chart td[data-preference="관심 없음"] {
    background-color: #FFFFFF;
}

#preference-chart td[data-preference="별로"] {
    background-color: #B8C9DF;
}

#preference-chart td[data-preference="지뢰"] {
    background-color: #B5ADC7;
}


#preference-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 16px;
    font-size: 13px;
    color: #777777;
}

#preference-legend span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.legend-color {
    display: inline-block;
    width: 13px;
    height: 13px;
    border-radius: 3px;
}

.legend-color.otp { background-color: #EAA0B1; }
.legend-color.good { background-color: #F4C3A1; }
.legend-color.okay { background-color: #F4E3AC; }
.legend-color.neutral {
    background-color: #FFFFFF;
    border: 1px solid #D9D9D9;
    box-sizing: border-box;
}
.legend-color.bad { background-color: #B8C9DF; }
.legend-color.mine { background-color: #B5ADC7; }


#preference-popup:not([hidden]) {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    background-color: #FFFFFF;
    border: 1px solid #D9D9D9;
    border-radius: 14px;
    padding: 24px;

    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    z-index: 100;
    width: 280px;
    max-width: calc(100vw - 48px);
    box-sizing: border-box;
}

#preference-popup[hidden] {
    display: none;
}


#preference-popup h2 {
    margin-top: 0;
    margin-bottom: 18px;
    font-size: 18px;
    text-align: center;
}

#preference-popup button[data-preference] {
    display: inline-block;
    width: calc(50% - 5px);
    height: 42px;
    margin-bottom: 10px;
    border: none;
    border-radius: 7px;
    color: #222222;
    font-size: 13px;
    cursor: pointer;
}

#preference-popup button[data-preference="OTP"] {
    background-color: #EAA0B1;
}

#preference-popup button[data-preference="좋음"] {
    background-color: #F4C3A1;
}

#preference-popup button[data-preference="괜찮음"] {
    background-color: #F4E3AC;
}

#preference-popup button[data-preference="관심 없음"] {
    background-color: #FFFFFF;
    border: 1px solid #D9D9D9;
}

#preference-popup button[data-preference="별로"] {
    background-color: #B8C9DF;
}

#preference-popup button[data-preference="지뢰"] {
    background-color: #B5ADC7;
}


#clear-button,
#cancel-button {
    width: calc(50% - 5px);
    height: 38px;
    margin-top: 6px;
    border-radius: 7px;
    font-size: 12px;
    cursor: pointer;
}

#clear-button {
    background-color: #FFFFFF;
    color: #A6192E;
    border: 1px solid #A6192E;
}

#cancel-button {
    background-color: #F2F2F2;
    color: #666666;
    border: 1px solid #D9D9D9;
}

#preference-popup button:hover {
    filter: brightness(0.96);
}


#popup-overlay:not([hidden]) {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.35);
    z-index: 99;
}

#popup-overlay[hidden] {
    display: none;
}


#reset-all-button {
    display: block;
    margin: 24px auto 0;
    padding: 10px 24px;
    background-color: #FFFFFF;
    color: #A6192E;
    border: 1px solid #A6192E;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

#reset-all-button:hover {
    background-color: #A6192E;
    color: #FFFFFF;
}


/* 전체 페이지 가운데 정렬 */
body {
    text-align: center;
}

/* 취향표 가운데 정렬 */
#preference-chart {
    margin-left: auto;
    margin-right: auto;
}

/* 범례 가운데 정렬 */
#preference-legend {
    justify-content: center;
}


/* 모바일에서 표가 잘리지 않도록 */
#chart-container {
    width: 100%;
    overflow-x: auto;
}


/* PNG 이미지 저장 버튼 */
#save-image-button {
    display: block;
    margin: 24px auto 0;
    padding: 10px 24px;
    background-color: #A6192E;
    color: #FFFFFF;
    border: 1px solid #A6192E;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

#save-image-button:hover {
    background-color: #871426;
}


/* 전체 초기화 버튼과의 간격 */
#reset-all-button {
    margin-top: 10px;
}


/* 저장 및 초기화 버튼 가로 배치 */
#action-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 24px;
    flex-wrap: wrap;
}

#save-image-button,
#reset-all-button {
    display: inline-block;
    margin: 0;
}


/* 제목과 아이디 간격 조정 */
#capture-area h1 {
    margin-bottom: 6px;
}

#capture-area p {
    margin-top: 0;
    margin-bottom: 24px;
    font-size: 13px;
    color: #999999;
}


/* 이미지 저장 영역 너비 조정 */
#capture-area {
    width: fit-content;
    max-width: 100%;
    margin: 0 auto;
    padding: 24px;
    box-sizing: border-box;
    background-color: #FFFFFF;
}


/* 마우스 강조 효과 */
#preference-chart td {
    transition: filter 0.15s ease;
}

/* 개별 조합: 해당 칸만 강조 */
#preference-chart td[data-pair]:hover {
    filter: brightness(0.92);
}

/* 왼쪽 멤버: 해당 가로줄 강조 */
#preference-chart tr:not(:first-child):has(> th:first-child:hover) > th,
#preference-chart tr:not(:first-child):has(> th:first-child:hover) > td[data-pair] {
    filter: brightness(0.92);
}

/* 위쪽 멤버: 해당 세로줄 강조 */
#preference-chart:has(tr:first-child > th:nth-child(2):hover) tr > :nth-child(2):is(th, td[data-pair]),
#preference-chart:has(tr:first-child > th:nth-child(3):hover) tr > :nth-child(3):is(th, td[data-pair]),
#preference-chart:has(tr:first-child > th:nth-child(4):hover) tr > :nth-child(4):is(th, td[data-pair]),
#preference-chart:has(tr:first-child > th:nth-child(5):hover) tr > :nth-child(5):is(th, td[data-pair]),
#preference-chart:has(tr:first-child > th:nth-child(6):hover) tr > :nth-child(6):is(th, td[data-pair]) {
    filter: brightness(0.92);
}

/* 모바일: PC 비율 유지 + 가운데 정렬 */
@media (max-width: 600px) {
    #capture-area {
        width: 550px;
        max-width: none;
        margin-left: 50%;
        margin-right: 0;
        margin-top: 120px;
        transform-origin: top center;
        transform: translateX(-50%) scale(var(--mobile-scale, 1));
    }

    #chart-container {
        overflow: visible;
    }
}