:root{color-scheme:dark;--bg:#000;--fg:#fff;--accent:#ffea00;--focus:#80f0ff;--error:#ffcccc;--muted:#e0e0e0;--muted-strong:#f0f0f0;--gap:12px;--safe-bot:env(safe-area-inset-bottom,0px);--safe-top:env(safe-area-inset-top,0px);--safe-l:env(safe-area-inset-left,0px);--safe-r:env(safe-area-inset-right,0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Pretendard,Apple SD Gothic Neo,Noto Sans KR,system-ui,sans-serif;font-size:17px;line-height:1.5;min-height:100dvh}:focus-visible{outline:4px solid var(--focus);outline-offset:3px;border-radius:4px}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}main{min-height:100dvh;padding:calc(var(--safe-top) + 16px) calc(var(--safe-r) + 16px) calc(var(--safe-bot) + 24px) calc(var(--safe-l) + 16px);max-width:720px;margin:0 auto}h1{font-size:1.6rem;margin-top:0;line-height:1.2}p{margin:.5em 0}input[type=text],input[type=url]{width:100%;font-size:1.15rem;padding:18px 16px;background:#111;color:var(--fg);border:2px solid #444;border-radius:12px;-webkit-appearance:none;-moz-appearance:none;appearance:none}button.primary{display:block;width:100%;font-size:1.5rem;font-weight:800;padding:22px 16px;margin-top:16px;background:var(--accent);color:#000;border:none;border-radius:16px;min-height:72px;cursor:pointer;-webkit-tap-highlight-color:rgba(255,212,0,.3);touch-action:manipulation}button.primary[disabled]{opacity:.85;cursor:progress}a.secondary,button.secondary{display:inline-flex;align-items:center;justify-content:center;font-size:1.1rem;padding:18px 12px;background:#1a1a1a;color:var(--fg);border:2px solid #444;border-radius:14px;min-height:64px;cursor:pointer;touch-action:manipulation;font-weight:600;text-decoration:none}a.secondary:active,button.secondary:active{background:#2a2a2a}button.secondary[disabled]{opacity:.45;cursor:not-allowed}.player-shell{display:flex;flex-direction:column;min-height:calc(100dvh - var(--safe-top) - var(--safe-bot) - 40px);padding-bottom:calc(132px + var(--safe-bot))}.player-content{flex:1 0 auto;display:flex;flex-direction:column;gap:16px}.player-bottom{position:fixed;z-index:30;left:calc(var(--safe-l) + 16px);right:calc(var(--safe-r) + 16px);bottom:0;max-width:720px;margin:0 auto;padding:10px 0 max(12px,var(--safe-bot));background:linear-gradient(to top,var(--bg) 70%,transparent)}.player-bottom .primary{margin-top:0}.video-frame{position:relative;width:100%;aspect-ratio:16/9;background:#111;border-radius:12px;overflow:hidden}.video-frame iframe{width:100%;height:100%;border:0}.kbd-help{margin-top:12px;padding:12px 16px;background:#0c0c0c;border:1px solid #333;border-radius:10px}.kbd-title{margin:0 0 6px;font-size:1rem;font-weight:700}.kbd-help ul{margin:4px 0 0;-webkit-padding-start:20px;padding-inline-start:20px;line-height:1.7;font-size:.95rem}.top-bar{display:flex;justify-content:flex-end;margin-bottom:8px}.lang-switcher{background:#0f0f0f;color:#fff;border:1px solid #2a2a2a;border-radius:8px;padding:6px 10px;font-size:.95rem;min-height:44px}.lang-switcher:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.install-panel{margin:4px 0 10px;background:transparent;border:1px solid #242424;border-radius:8px}.install-summary{min-height:44px;padding:10px 12px;cursor:pointer;color:var(--muted-strong);font-size:.95rem;font-weight:700}.install-panel[open] .install-summary{border-bottom:1px solid #242424}.install-menu-body{padding:10px 12px 12px}.install-copy{margin:0;color:var(--muted-strong);font-size:.94rem}.install-copy-secondary{margin-top:8px}.install-method{margin-top:12px;padding-top:12px;border-top:1px solid #242424}.install-method-title{margin:0 0 6px;color:var(--text);font-size:.95rem;font-weight:700}.install-steps{margin:6px 0 0 1.2rem;padding:0;color:var(--muted-strong);font-size:.94rem}.install-steps li{margin:5px 0}.install-warning{margin-top:8px;color:#ffd28a}a.install-btn{display:flex;width:100%;margin-top:10px;background:var(--accent);color:#000;border-color:var(--accent)}.meta{padding:14px 16px;background:#0f0f0f;border:1px solid #2a2a2a;border-radius:12px}.meta-title{margin:0;font-size:1.15rem;line-height:1.35;font-weight:700}.meta-sub{margin:8px 0 0;font-size:.92rem;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;line-height:1.4}.meta-sub .meta-channel{color:var(--muted-strong);font-weight:600;min-width:0;overflow-wrap:anywhere}.meta-date{display:inline-flex;align-items:center;gap:8px;min-height:44px;white-space:nowrap}.meta-separator{color:var(--muted)}.meta-actions{margin:12px 0 0;display:flex;gap:10px;flex-wrap:wrap}.meta-actions .meta-btn{flex:1 1 auto;min-width:140px}.history{margin-top:28px}button.secondary.history-more{display:flex;width:100%;margin-top:12px}.history-title{margin:0 0 10px;font-size:1.05rem;font-weight:700;color:#ddd}.history-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.history-item{display:block;padding:16px 14px;background:#111;border:2px solid #2a2a2a;border-radius:12px;color:var(--fg);text-decoration:none;font-size:1.05rem;line-height:1.35;min-height:56px}.history-item:active{background:#1a1a1a}.history-item-title{display:block;font-weight:600}.history-item-sub{display:flex;flex-wrap:wrap;align-items:center;gap:2px 8px;margin-top:4px;font-size:.88rem;color:var(--muted);line-height:1.4}.history-item-channel{color:var(--muted-strong);font-weight:500;min-width:0;overflow-wrap:anywhere}.history-item-date{color:var(--muted);display:inline-flex;align-items:center;gap:8px;white-space:nowrap}.history-item-separator{color:var(--muted)}.history-item-status{display:inline-block;margin-top:4px;font-size:.85rem;color:#9ad;font-weight:500}.history-item-current{background:#182030;border-color:#3a5a80}.history-item-current .history-item-status{color:#ffd76b}.meta-channel-link{display:inline-flex;align-items:center;min-height:44px;color:var(--focus,#4d8fff);text-decoration:underline;text-underline-offset:2px}.meta-channel-link:focus-visible{outline:3px solid var(--focus,#4d8fff);outline-offset:2px;border-radius:2px}.feedback{margin-top:36px;padding:18px 16px 20px;background:#0f0f0f;border:1px solid #2a2a2a;border-radius:12px}.feedback-title{margin:0 0 6px;font-size:1.1rem;font-weight:700}.feedback-desc{margin:0 0 12px;font-size:.95rem;color:var(--muted);line-height:1.5}.feedback-textarea{width:100%;font-size:1.05rem;padding:14px;background:#111;color:var(--fg);border:2px solid #444;border-radius:10px;resize:vertical;min-height:100px;font-family:inherit;-webkit-appearance:none;-moz-appearance:none;appearance:none}.feedback-label{display:block;margin-top:12px;font-size:.95rem;color:#ccc;font-weight:500}.feedback-input{width:100%;font-size:1.05rem;padding:14px;background:#111;color:var(--fg);border:2px solid #444;border-radius:10px;margin-top:6px;-webkit-appearance:none;-moz-appearance:none;appearance:none}.feedback-submit{margin-top:14px;width:100%}.feedback-ok{background:#122218;-webkit-border-start:4px solid #4ad07a;border-inline-start:4px solid #4ad07a;border-radius:6px;color:#9ddc9d}.feedback-err,.feedback-ok{margin:10px 0 0;padding:10px 14px}.feedback-err{background:#221212;-webkit-border-start:4px solid #ff9a9a;border-inline-start:4px solid #ff9a9a;border-radius:6px;color:#ff9a9a}.play-progress-wrap{display:flex;flex-direction:column;gap:6px;margin-top:8px}.play-progress-time{margin:0;font-size:.95rem;color:#ccc;text-align:end}.play-seek{width:100%;min-height:44px;height:44px;cursor:pointer;accent-color:var(--focus,#4d8fff)}.play-seek:focus-visible{outline:3px solid var(--focus,#4d8fff);outline-offset:2px}.switcher{display:flex;flex-direction:column;gap:6px}.switcher-label{font-size:.95rem;color:#ccc;font-weight:600}.switcher-row{display:flex;gap:8px;align-items:stretch}.switcher-row input{flex:1 1 auto;font-size:1rem;padding:12px;min-height:52px;border-radius:10px}.switcher-go{flex:0 0 auto;min-height:52px;padding:10px 16px;font-size:1rem;min-width:84px}.switcher-err{color:#ff9a9a;font-size:.92rem;margin:0}.volumes{gap:14px;padding:14px;background:#0f0f0f;border:1px solid #2a2a2a;border-radius:12px}.vol-row,.volumes{display:flex;flex-direction:column}.vol-row{gap:8px}.vol-head{display:flex;justify-content:space-between;align-items:baseline}.vol-title{font-size:1.05rem;font-weight:700;color:var(--fg)}.vol-pct{font-size:1rem;color:#ccc;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.vol-controls{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;align-items:stretch}.vol-btn{min-height:56px;padding:0 12px;font-size:1.15rem;font-weight:700}.qa-btn{width:100%}.qa-answer,.qa-status{margin:4px 0 0}.qa-answer{font-size:1.05rem;line-height:1.5;color:var(--fg);white-space:pre-wrap}.qa-text-form{margin-top:4px}.vol-row label{font-size:1rem;font-weight:600;color:var(--fg)}.vol-row input[type=range]{width:100%;height:44px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;touch-action:manipulation}.vol-row input[type=range]::-webkit-slider-runnable-track{height:8px;background:#333;border-radius:4px}.vol-row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:28px;height:28px;background:var(--accent);border-radius:50%;margin-top:-10px;cursor:pointer}.vol-row input[type=range]::-moz-range-track{height:8px;background:#333;border-radius:4px}.vol-row input[type=range]::-moz-range-thumb{width:28px;height:28px;background:var(--accent);border:0;border-radius:50%;cursor:pointer}.debug{margin-top:12px;padding:12px 16px;background:#0a0a0a;border:1px dashed #444;border-radius:10px;font-size:.88rem;color:#ddd}.debug-title{margin:0 0 8px;font-size:.95rem;font-weight:700;color:#ffd400}.debug dl{display:grid;grid-template-columns:max-content 1fr;grid-column-gap:12px;column-gap:12px;grid-row-gap:4px;row-gap:4px;margin:0}.debug dt{color:#999;font-weight:600}.debug dd{margin:0;word-break:break-word;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.debug code{background:#000;padding:1px 5px;border-radius:3px;color:#eee}.debug-err{color:#ff9a9a}.status{margin-top:12px;padding:14px 16px;background:#111;-webkit-border-start:4px solid var(--accent);border-inline-start:4px solid var(--accent);border-radius:6px;font-size:1.05rem}.status-error{border-inline-start-color:#ff9a9a}.notify-btn{width:100%;margin-top:8px}.notify-on{margin:8px 0 0;color:#9ddc9d;font-size:.95rem}.progress{width:100%;height:14px;background:#1a1a1a;border:1px solid #333;border-radius:7px;overflow:hidden;margin-top:8px}.progress-fill{height:100%;background:var(--accent);transition:width .4s ease-out}@media (max-width:380px) and (orientation:portrait){.video-frame{aspect-ratio:16/9}}@media (min-width:720px){main{padding:32px 24px}}@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}