@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.6/dist/web/static/pretendard-dynamic-subset.css");

body {
    background-color: #fff;
    width: 90%;
    max-width: 576px;
    margin: 0 auto;
    font-family: "Pretendard", sans-serif;
    font-size: 1rem;
    text-align: center;
}

a {
    color: #174ae4;
}

p {
    line-height: 150%;
}

header,
footer {
    display: block;
    margin: 2rem 0;
}

/* 구형 브라우저(iOS 9 Safari, EdgeHTML 등) 대응:
   display:grid / grid-auto-flow 대신 flexbox 사용 */
header {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    padding: 0 1rem;
}

.site-name {
    font-size: 2rem;
    font-weight: 700;
    color: black;
    text-decoration: none;
}

.site-name:before {
    content: "";
    display: inline-block;
    background-image: url(https://radio.bsod.kr/images/logo-darkTR.svg);
    background-size: contain;
    background-repeat: no-repeat;
    width: 2rem;
    height: 2rem;
    vertical-align: text-bottom;
}

.copyright .contact a {
    text-decoration: underline;
}

#player,
#vPlayer {
    display: none;
    width: 100%;
}

#caution {
    display: block;
    width: auto;
    max-width: 100%;
    background-color: #ffebee;
    border-radius: 5px;
    padding: 1em;
    margin: 1em 0;
    text-align: left;
}

#caution p {
    display: block;
    color: #d32f2f;
    font-weight: bold;
    margin: 0;
}

#caution p.not-bottom {
    margin-bottom: 0.5em;
}

#nowPlaying {
    display: block;
    width: auto;
    max-width: 100%;
    background-color: #f7f7f7;
    border-radius: 5px;
    padding: 1em;
    margin: 1em 0;
    text-align: left;
    word-break: break-word;
}

#nowPlaying > h3 {
    margin: 0;
}

#nowPlayingUrl,
#staticUrl {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    flex: 1;
    min-width: 0;
    text-decoration: underline;
}

/* flexbox의 gap 속성은 구형 브라우저에서 지원되지 않으므로
   자식 요소 margin으로 간격을 대신 구현 */
#nowPlayingUrlList {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    flex-direction: column;
    list-style: none;
    padding: 0.5rem 0 0 0;
    margin: 0;
}

#nowPlayingUrlList > li {
    margin-bottom: 0.35rem;
}

#nowPlayingUrlList > li:last-child {
    margin-bottom: 0;
}

.title-group {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    padding: 0;
    margin: 0;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.title-group h3 {
    margin: 0;
}

.url-group {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    overflow: hidden;
}

.url-group a {
    padding-left: 0.25rem;
}

#citySelector {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-color: transparent;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='292.4' height='292.4'%3E%3Cpath fill='%23333' d='M287 69.4a17.6 17.6 0 0 0-13-5.4H18.4c-5 0-9.3 1.8-12.9 5.4A17.6 17.6 0 0 0 0 82.2c0 5 1.8 9.3 5.4 12.9l128 127.9c3.6 3.6 7.8 5.4 12.8 5.4s9.2-1.8 12.8-5.4L287 95c3.5-3.5 5.4-7.8 5.4-12.8 0-5-1.9-9.2-5.5-12.8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 9px;
    border: 1px solid #999;
    border-radius: 5px;
    box-sizing: border-box;
    color: #333;
    cursor: default;
    font-family: "Pretendard", sans-serif;
    font-size: 0.9rem;
    padding: 0.35rem 0.75rem;
    width: 7.5rem;
}

#citySelector:hover {
    border-color: #777;
}

#channelContainerHeader {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    padding: 0 1rem;
}

/* CSS Grid 대신 flexbox + margin 방식으로 2단 레이아웃 구현.
   gap 미지원 브라우저(iOS 9 Safari 등)를 위해 각 .channel에
   개별 margin을 주고, 컨테이너 양옆은 음수 margin으로 상쇄 */
.channelContainer {
    display: none;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -webkit-flex-flow: row wrap;
    flex-flow: row wrap;
    margin: -0.25em;
}

.visible {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
}

.channel {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    display: block;
    background-color: #f1f3f4;
    border-radius: 5px;
    padding: 1em;
    color: black;
    text-decoration: none;
    margin: 0.25em;
    /* 2열: 좌우 margin(0.25em * 2 = 0.5em)을 뺀 절반 너비 */
    width: calc(50% - 0.5em);
}

.tuned {
    color: #174ae4;
    background-color: #e2e9ff;
    font-weight: bold;
}

button {
    font-family: "Pretendard", sans-serif;
    font-size: 0.95rem;
    padding: 0.35rem 0.75rem;
    border: 1px solid #999;
    border-radius: 5px;
    background-color: #f3f3f3;
    color: black;
    cursor: pointer;
}

button:hover {
    filter: brightness(90%);
    transition: filter 0.3s;

    -webkit-filter: brightness(90%);
    -webkit-transition: filter 0.3s;
}

/* place-items(grid)는 구형 브라우저 미지원이므로 text-align으로 대체.
   버튼은 인라인 요소라 이것만으로 가운데 정렬이 충분함 */
.button-area {
    text-align: center;
    margin-top: 2rem;
}

.button-area button {
    margin: 0.35rem;
}

.button-area a {
    color: black;
}

#playingCopyBtn {
    display: none;
    margin-right: 0.35rem;
}

#staticCopyBtn {
    display: none;
    margin-right: 0.35rem;
}

#boraBtn {
    display: none;
}

@media (min-width: 576px) {
    body {
        max-width: 576px;
    }

    /* 3열: 좌우 margin(0.25em * 2 = 0.5em)을 뺀 1/3 너비 */
    .channelContainer .channel {
        width: calc(33.333% - 0.5em);
    }
}