/* OnAirAT 영상 카드와 설정 및 채팅의 반응형 화면 스타일입니다. */
:root{color-scheme:light;--bg:#f7f8fa;--surface:#fff;--text:#22252c;--muted:#828791;--border:#e8eaef;--accent:#ed5d4c;--soft:#fff0ed;--columns:3;font-family:Inter,'Segoe UI','Malgun Gothic',sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}button:disabled{opacity:.5;cursor:wait}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button{border:0;background:none}input,select{color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:8px}input{padding:11px 12px;min-width:0}small{color:var(--muted)}
.topbar{height:78px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:24px;padding:0 28px;position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;font-size:25px;font-weight:800;letter-spacing:-1px;white-space:nowrap}.brand>span:not(.brand-icon){color:var(--accent)}.brand-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff;font-size:16px;margin-right:10px}.brand small{font-size:8px;letter-spacing:2px;border-left:1px solid var(--border);padding-left:14px;margin-left:14px;font-weight:600}.share-button{margin-left:auto;background:var(--accent);color:#fff;border-radius:9px;font-size:13px;font-weight:600;padding:12px 18px}.settings-toggle{font-size:24px;display:none}.layout{display:grid;grid-template-columns:minmax(0,1fr) 288px;min-height:calc(100vh - 78px)}main{padding:30px 30px 0;min-width:0}.eyebrow{font-size:9px;font-weight:600;letter-spacing:2px;color:var(--muted);margin:0 0 13px}.tiny-dot{display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;vertical-align:middle;margin-right:6px}.browse{margin-top:0}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.section-heading .eyebrow{font-size:8px;margin-bottom:9px}h2{font-size:20px;letter-spacing:-.6px;margin:0}.section-heading h2 span{font-size:11px;color:var(--accent);margin-left:8px;font-weight:500}.sort-label{font-size:10px;color:var(--muted);white-space:nowrap}.sort-label select{margin-left:8px;border:0;background:none;font-size:11px;padding:5px}.chips{display:flex;gap:8px;margin:20px 0 12px;flex-wrap:wrap}.chip{background:var(--surface);border:1px solid var(--border);border-radius:7px;padding:8px 14px;font-size:11px;color:var(--muted)}.chip.active{background:var(--text);color:var(--surface);border-color:var(--text)}.ranking-note{font-size:10px;color:var(--muted);line-height:1.7;margin-bottom:18px}.video-grid{display:grid;grid-template-columns:repeat(var(--columns),minmax(0,1fr));gap:23px 18px}.video-card{min-width:0}.preview{display:block;position:relative;width:100%;aspect-ratio:16/9;border-radius:11px;overflow:hidden;background:linear-gradient(135deg,#254451,#101e2f);padding:0}.preview.music{background:linear-gradient(130deg,#57425a,#211c36)}.preview.nature{background:linear-gradient(130deg,#497063,#122d35)}.preview img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1;transition:transform .25s}.preview:hover img{transform:scale(1.04)}.preview-symbol{font-size:62px;color:#ffffff32;position:absolute;inset:0;display:grid;place-items:center}.source-badge{position:absolute;left:10px;top:10px;background:#0009;color:#fff;font-size:8px;padding:5px 7px;border-radius:4px;z-index:2}.play-overlay{position:absolute;inset:0;display:grid;place-items:center;background:#0003;color:white;font-size:25px;opacity:0;transition:opacity .2s;z-index:2}.preview:hover .play-overlay,.preview:focus-visible .play-overlay{opacity:1}.card-info{padding:12px 2px 0}.category-label{font-size:9px;color:var(--accent)}.card-title{display:block;text-align:left;padding:0;margin:5px 0 6px;font-weight:600;font-size:13px;line-height:1.55;overflow-wrap:anywhere}.location{font-size:10px;color:var(--muted);margin:0}.card-footer{display:flex;justify-content:space-between;align-items:center;margin-top:11px;border-top:1px solid var(--border);padding-top:8px}.votes{display:flex;gap:12px}.votes button{padding:3px 0;font-size:11px;color:var(--muted)}.votes .voted{color:var(--accent);font-weight:700}.source-link{font-size:15px;color:var(--muted)}.empty{grid-column:1/-1;border:1px dashed var(--border);border-radius:12px;text-align:center;padding:70px 20px;line-height:1.8;color:var(--muted);font-size:13px}.bottom-note{padding:35px 0 24px;text-align:center;font-size:9px;color:var(--muted)}.bottom-note span{color:var(--accent);margin-left:12px;font-weight:600}.right-panel{border-left:1px solid var(--border);background:var(--surface);padding:25px 21px 16px;position:sticky;top:78px;height:calc(100vh - 78px);display:flex;flex-direction:column;min-height:550px}.panel-heading{display:flex;align-items:center;justify-content:space-between}.panel-heading h2{font-size:14px;letter-spacing:-.3px}.panel-heading>span{color:var(--muted);font-size:17px}.setting-row{display:flex;justify-content:space-between;align-items:center;font-size:12px;margin-top:23px;cursor:pointer}.setting-row small{display:block;font-size:9px;margin-top:6px}.setting-row input{appearance:none;width:33px;height:19px;padding:0;border-radius:15px;background:var(--border);border:0;position:relative;cursor:pointer}.setting-row input:after{content:'';position:absolute;left:3px;top:3px;width:13px;height:13px;background:#fff;border-radius:50%;transition:transform .2s}.setting-row input:checked{background:var(--accent)}.setting-row input:checked:after{transform:translateX(14px)}.columns-setting p{font-size:12px;margin:22px 0 10px}.column-buttons{display:flex;background:var(--bg);padding:4px;border-radius:8px;gap:4px}.column-buttons button{flex:1;padding:8px;border-radius:5px;font-size:11px;color:var(--muted)}.column-buttons .selected{background:var(--surface);color:var(--accent);box-shadow:0 2px 4px #00000008}.columns-setting small{font-size:8px;display:block;margin-top:8px}.chat{margin-top:0;padding-top:0;display:flex;flex-direction:column;flex:1;min-height:0}.panel-heading .chat-badge{font-size:7px;color:var(--accent);background:var(--soft);padding:4px 6px;border-radius:4px;letter-spacing:1px}.chat-intro{font-size:9px;color:var(--muted);margin:9px 0 18px}.messages{flex:1;overflow:auto;min-height:130px;padding-right:3px;scrollbar-width:thin}.chat-empty{font-size:11px;color:var(--muted);white-space:pre-line;text-align:center;line-height:2;margin-top:45px}.chat-message{margin-bottom:17px}.message-head{display:flex;justify-content:space-between;gap:6px;font-size:9px}.message-head strong{color:var(--accent);overflow-wrap:anywhere}.message-head time{color:var(--muted);font-size:8px;white-space:nowrap}.chat-message p{font-size:11px;line-height:1.7;background:var(--bg);border-radius:0 8px 8px;padding:9px 10px;margin:6px 0 0;overflow-wrap:anywhere;white-space:pre-wrap}#chat-form label{font-size:8px;color:var(--muted)}#nickname{width:100%;border:0;background:transparent;padding:7px 0;font-size:10px}.message-input{display:flex;gap:5px;padding:5px;background:var(--bg);border:1px solid var(--border);border-radius:9px}.message-input input{border:0;background:none;font-size:10px;padding:8px 4px;width:100%}.message-input button{flex-shrink:0;background:var(--accent);border-radius:6px;color:#fff;width:30px;font-size:18px}.chat-guidance{font-size:8px;line-height:1.7;margin-top:9px}.status{font-size:11px;color:var(--accent);line-height:1.6}.status:empty{display:none}.panel-foot{font-size:7px;letter-spacing:1.3px;text-align:center;color:var(--muted);padding-top:18px;margin-top:18px;border-top:1px solid var(--border)}dialog{border:1px solid var(--border);border-radius:16px;background:var(--surface);color:var(--text);padding:28px;max-height:90vh;overflow:auto;max-width:calc(100% - 30px);width:510px}dialog::backdrop{background:#090e18aa;backdrop-filter:blur(4px)}.dialog-heading{display:flex;gap:15px;justify-content:space-between;align-items:center}.dialog-heading h2{font-size:19px}.dialog-heading button{font-size:28px;color:var(--muted);padding:0 4px}.dialog-heading .eyebrow{font-size:8px}dialog p{font-size:12px;color:var(--muted);line-height:1.8}dialog label{font-size:12px;display:block;margin-top:17px}dialog input,dialog select{display:block;width:100%;margin-top:8px;font-size:12px;padding:12px}.form-row{display:flex;gap:15px}.form-row label{flex:1;min-width:0}dialog .form-note{font-size:10px}.submit-button{width:100%;border-radius:9px;background:var(--accent);color:#fff;padding:13px;font-size:12px;margin-top:10px}#player{margin:20px 0;aspect-ratio:16/9;background:#111;border-radius:10px;overflow:hidden}#player iframe{width:100%;height:100%;border:0}.external-player{display:grid;place-items:center;height:100%;text-align:center;color:#ccc;padding:30px;font-size:14px}#original-link{font-size:12px;color:var(--accent)}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--surface);border-radius:10px;padding:15px 22px;font-size:12px;z-index:30;box-shadow:0 5px 25px #0003;max-width:90vw}
:root[data-theme=dark]{color-scheme:dark;--bg:#111318;--surface:#1a1d24;--text:#edf0f5;--muted:#8c94a3;--border:#2c303b;--soft:#342323}html[data-columns="1"]{--columns:1}html[data-columns="2"]{--columns:2}html[data-columns="3"]{--columns:3}html[data-columns="4"]{--columns:4}
@media(min-width:1700px){.layout{grid-template-columns:minmax(0,1fr) 310px}main{padding:35px 42px}.video-grid{gap:28px 22px}.card-title{font-size:15px}}
@media(max-width:1200px){.layout{grid-template-columns:minmax(0,1fr) 250px}.topbar{padding:0 20px}.brand small{display:none}main{padding:24px 20px}.right-panel{padding:24px 16px}html[data-columns="4"] .video-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:1000px){.layout{grid-template-columns:minmax(0,1fr)}.right-panel{display:none;position:fixed;right:0;width:290px;z-index:12;box-shadow:-10px 0 25px #0002}.right-panel.open{display:flex}.settings-toggle{display:block}.topbar{gap:15px}}
@media(max-width:700px){.topbar{height:65px;padding:0 14px;gap:10px}.brand{font-size:21px}.brand-icon{width:29px;height:29px;font-size:13px;margin-right:7px}.share-button{margin-left:auto;padding:10px;font-size:11px}.settings-toggle{font-size:21px}.layout{display:block}main{padding:16px 16px 0}.section-heading h2{font-size:17px}.section-heading .eyebrow{font-size:6px}.chip{font-size:10px;padding:8px 11px}.chips{gap:6px}.ranking-note{font-size:9px}.video-grid,html[data-columns="3"] .video-grid,html[data-columns="4"] .video-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:23px 12px}html[data-columns="1"] .video-grid{grid-template-columns:1fr}.card-title{font-size:12px}.right-panel{top:65px;height:calc(100dvh - 65px);min-height:0}.form-row{display:block}dialog{padding:20px}.dialog-heading h2{font-size:17px}.bottom-note{font-size:8px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

[hidden]{display:none!important}.watch-back{padding:0;margin-bottom:16px;color:var(--muted);font-size:12px}.watch #player{margin:0 0 20px}.watch h1{font-size:23px;line-height:1.5;margin:0 0 8px;overflow-wrap:anywhere}.watch .location{margin-bottom:14px}.watch .form-note{font-size:10px;color:var(--muted);line-height:1.8}.recommendation-section{margin-top:30px}.recommendation-section h2{margin-bottom:20px}@media(max-width:700px){.watch h1{font-size:18px}.watch #player{margin-bottom:16px}}
.language-setting{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:20px;font-size:12px}.language-setting select{max-width:145px;padding:7px;font-size:12px}.right-panel{overflow-y:auto}.setting-row>span{min-width:0}.setting-row input{flex-shrink:0}

.settings-open{font-size:25px;padding:6px;line-height:1;color:var(--muted)}#settings-dialog{width:360px}#settings-dialog .setting-row,#settings-dialog .language-setting{display:flex;align-items:center;justify-content:space-between}#settings-dialog .setting-row input{display:inline-block;width:33px;height:19px;margin:0;padding:0}#settings-dialog .language-setting select{width:auto;margin:0;padding:7px}#settings-dialog .columns-setting p{font-size:12px;color:var(--text)}@media(max-width:700px){.settings-open{font-size:23px;padding:3px}.topbar{gap:8px}}