:root{--bg-color: #f9f9f9;--text-color: #333;--header-border: #333;--text-muted: #666;--card-bg: #fff;--card-shadow: 0 4px 12px rgba(0,0,0,.08);--accent-color: #ff0000;--intro-bg: #f8f8f8;--intro-border: #666;--divider-color: #eee;--link-hover: #cc0000;--code-bg: #f5f5f5;--code-border: #e0e0e0}@media(prefers-color-scheme:dark){:root{--bg-color: #121212;--text-color: #e0e0e0;--header-border: #555;--text-muted: #aaa;--card-bg: #1e1e1e;--card-shadow: 0 4px 12px rgba(0,0,0,.3);--intro-bg: #2a2a2a;--intro-border: #888;--divider-color: #333;--code-bg: #222;--code-border: #444}}body{font-family:Georgia,serif;font-size:18px;line-height:1.6;max-width:800px;margin:0 auto;padding:20px;background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased}.site-header{text-align:center;padding:40px 0 30px;border-bottom:3px solid var(--header-border);margin-bottom:40px}.site-header h1{margin:0;font-size:36px;letter-spacing:2px;text-transform:uppercase;color:var(--text-color)}.site-header h1 a{text-decoration:none;color:inherit}.site-header p{color:var(--text-muted);font-size:18px;margin:10px 0 0;font-style:italic}a{color:var(--accent-color);text-decoration:none;transition:color .2s ease}a:hover{color:var(--link-hover);text-decoration:underline}h1,h2,h3,h4,h5,h6{color:var(--text-color);line-height:1.3}.site-footer{text-align:center;color:var(--text-muted);font-size:14px;padding:40px 0 20px;margin-top:60px;border-top:1px solid var(--divider-color)}.issue-list{list-style:none;padding:0;margin:0}.issue-card{background:var(--card-bg);border-radius:8px;padding:25px 30px;box-shadow:var(--card-shadow);transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease;display:block;text-decoration:none;color:inherit}.issue-card:hover{transform:translateY(-2px);box-shadow:0 6px 16px #0000001f;text-decoration:none}@media(prefers-color-scheme:dark){.issue-card:hover{box-shadow:0 6px 16px #0006}}.issue-date{font-size:14px;color:var(--text-muted);margin-bottom:8px;font-family:system-ui,-apple-system,sans-serif;text-transform:uppercase;letter-spacing:1px}.issue-title{font-size:24px;margin:0 0 15px;color:var(--text-color)}.issue-meta{display:flex;gap:15px;font-size:14px;color:var(--text-muted);font-family:system-ui,-apple-system,sans-serif}.badge{background:#f0f0f0;color:#333;padding:4px 10px;border-radius:12px;font-size:13px;display:inline-flex;align-items:center;gap:5px}@media(prefers-color-scheme:dark){.badge{background:#333;color:#ddd}}.issue-header{text-align:center;margin-bottom:40px}.issue-header h1{font-size:32px;margin-bottom:15px}.issue-header .date{color:var(--text-muted);font-size:16px;font-style:italic}.audio-player-container{background:var(--card-bg);padding:25px;border-radius:12px;box-shadow:var(--card-shadow);margin:30px 0 50px;text-align:center;border:1px solid var(--divider-color)}.audio-header{font-family:system-ui,-apple-system,sans-serif;font-weight:600;color:var(--text-color);margin:0 0 15px;display:flex;align-items:center;justify-content:center;gap:8px}.audio-player-container audio{width:100%;max-width:500px;outline:none}.audio-part{margin-bottom:20px}.audio-part:last-child{margin-bottom:0}.markdown-content{font-size:19px;line-height:1.8;color:var(--text-color)}.markdown-content blockquote{background:var(--intro-bg);padding:20px 25px;border-left:4px solid var(--intro-border);margin:30px 0;border-radius:0 8px 8px 0;font-style:normal}.markdown-content blockquote p{margin:0 0 10px}.markdown-content blockquote p:last-child{margin:0}.markdown-content h1{font-size:32px;margin:50px 0 25px;padding-bottom:10px;border-bottom:2px solid var(--divider-color)}.markdown-content>h1:first-child{border-bottom:none}.markdown-content h2{font-size:26px;margin:40px 0 20px}.markdown-content h2:contains("한국어"),.markdown-content h2:contains("English"){text-align:center;text-transform:uppercase;letter-spacing:2px;font-family:system-ui,-apple-system,sans-serif;font-size:20px;color:var(--text-muted);border-top:1px solid var(--divider-color);border-bottom:1px solid var(--divider-color);padding:15px 0;margin:60px 0 40px}.markdown-content h3{font-size:22px;margin:30px 0 15px}.markdown-content p{margin-bottom:1.5em;text-align:justify}.markdown-content a[href*="youtube.com/watch"],.markdown-content a[href*="youtu.be/"]{display:inline-block;background:var(--accent-color);color:#fff!important;padding:8px 16px;border-radius:4px;text-decoration:none;font-weight:700;font-family:system-ui,-apple-system,sans-serif;font-size:15px;margin-top:5px;transition:background .2s ease}.markdown-content a[href*="youtube.com/watch"]:hover,.markdown-content a[href*="youtu.be/"]:hover{background:var(--link-hover);text-decoration:none}.markdown-content ul,.markdown-content ol{margin:1.5em 0;padding-left:2em}.markdown-content li{margin-bottom:.8em}.markdown-content code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:var(--code-bg);padding:2px 6px;border-radius:4px;font-size:.9em;border:1px solid var(--code-border)}.markdown-content pre{background:var(--code-bg);padding:20px;border-radius:8px;overflow-x:auto;border:1px solid var(--code-border);margin:25px 0}.markdown-content pre code{background:none;padding:0;border:none}.markdown-content hr{border:0;height:1px;background:var(--divider-color);margin:50px 0}.markdown-content img{display:block;max-width:100%;height:auto;margin:1.8rem auto .4rem;border-radius:8px;box-shadow:0 2px 12px #00000024}.read-more{display:inline-block;margin-top:10px;font-family:system-ui,-apple-system,sans-serif;font-weight:600;font-size:15px}html{scroll-behavior:smooth}.toc-sidebar{position:fixed;top:120px;left:max(10px,calc((100vw - 800px)/2 - 300px));width:clamp(180px,18vw,280px);max-height:calc(100vh - 160px);overflow-y:auto;font-family:system-ui,-apple-system,sans-serif;font-size:13px;line-height:1.5;z-index:100;scrollbar-width:thin;scrollbar-color:transparent transparent}.toc-sidebar:hover{scrollbar-color:var(--divider-color) transparent}.toc-sidebar::-webkit-scrollbar{width:4px}.toc-sidebar::-webkit-scrollbar-track{background:transparent}.toc-sidebar::-webkit-scrollbar-thumb{background:transparent;border-radius:4px;transition:background .2s}.toc-sidebar:hover::-webkit-scrollbar-thumb{background:var(--divider-color)}.toc-sidebar:hover::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.toc-title{position:sticky;top:0;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--divider-color);background:var(--bg-color);z-index:1}.toc-title a{display:flex;align-items:center;gap:4px;font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-muted);text-decoration:none;transition:color .2s}.toc-title a:hover{color:var(--accent-color);text-decoration:none}.toc-sidebar ul{list-style:none;padding:0;margin:0}.toc-item{margin-bottom:2px}.toc-item a{display:block;padding:4px 0 4px 12px;color:var(--text-muted);text-decoration:none;border-left:2px solid transparent;transition:color .2s,border-color .2s;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.toc-item a:hover{color:var(--text-color);text-decoration:none}.toc-item a.toc-active{color:var(--accent-color);border-left-color:var(--accent-color);font-weight:600}.toc-level-2 a{padding-left:24px;font-size:12px}.toc-level-3 a{padding-left:36px;font-size:12px}@media(max-width:1200px){.toc-sidebar{display:none}}.mobile-toc,.mobile-toc-backdrop{display:none}@media(max-width:1200px){.mobile-toc{display:block;position:fixed;top:0;left:0;right:0;z-index:1000;font-family:system-ui,-apple-system,sans-serif}.mobile-archive-btn{display:flex;align-items:center;justify-content:center;width:36px;height:44px;flex-shrink:0;background:none;border:none;border-right:1px solid var(--divider-color);color:var(--text-muted);cursor:pointer;-webkit-tap-highlight-color:transparent;text-decoration:none;transition:color .2s}.mobile-archive-btn:hover{color:var(--accent-color);text-decoration:none}.mobile-toc-bar{display:flex;align-items:center;justify-content:space-between;flex:1;min-width:0;height:44px;padding:0 12px;background:none;border:none;cursor:pointer;font-family:inherit;font-size:14px;font-weight:600;color:var(--text-color);-webkit-tap-highlight-color:transparent;position:relative}.mobile-toc-header{display:flex;align-items:center;width:100%;height:44px;background:var(--card-bg);border-bottom:1px solid var(--divider-color)}.mobile-toc-current{flex:1;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding-right:8px}.mobile-toc-chevron{flex-shrink:0;transition:transform .2s ease;color:var(--text-muted)}.mobile-toc-bar[aria-expanded=true] .mobile-toc-chevron{transform:rotate(180deg)}.mobile-toc-progress{position:fixed;top:42px;left:0;right:0;height:2px;width:0%;background:var(--accent-color);z-index:1000;pointer-events:none}.mobile-toc-backdrop{display:none;position:fixed;inset:44px 0 0;background:#0000004d;z-index:999}.mobile-toc-backdrop:not([hidden]){display:block}.mobile-toc-dropdown{position:fixed;top:44px;left:0;right:0;max-height:calc(100vh - 104px);overflow-y:auto;background:var(--card-bg);border-bottom:1px solid var(--divider-color);box-shadow:0 8px 24px #00000026;z-index:1001;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--divider-color) transparent}.mobile-toc-dropdown::-webkit-scrollbar{width:4px}.mobile-toc-dropdown::-webkit-scrollbar-track{background:transparent}.mobile-toc-dropdown::-webkit-scrollbar-thumb{background:var(--divider-color);border-radius:4px}.mobile-toc-dropdown:not([hidden]){animation:mtoc-slide-down .2s ease-out}@keyframes mtoc-slide-down{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.mobile-toc-list{list-style:none;margin:0;padding:8px 0}.mtoc-lang-divider{position:sticky;top:0;background:var(--bg-color);padding:8px 16px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-muted);border-bottom:1px solid var(--divider-color);z-index:1}.mtoc-group{border-bottom:1px solid var(--divider-color)}.mtoc-group:last-child{border-bottom:none}.mtoc-group-toggle{display:flex;align-items:flex-start;gap:8px;width:100%;padding:12px 16px;background:none;border:none;cursor:pointer;text-align:left;font-family:inherit;color:inherit;-webkit-tap-highlight-color:transparent}.mtoc-chevron{flex-shrink:0;margin-top:3px;transition:transform .2s ease;color:var(--text-muted)}.mtoc-group-toggle[aria-expanded=true] .mtoc-chevron{transform:rotate(90deg)}.mtoc-link{color:var(--text-muted);text-decoration:none;font-size:14px;line-height:1.4;display:block;transition:color .15s}.mtoc-link-h1{font-weight:600;font-size:15px;color:var(--text-color)}.mtoc-link.mtoc-active{color:var(--accent-color);font-weight:600}.mtoc-link:hover{color:var(--text-color);text-decoration:none}.mtoc-children{list-style:none;margin:0;padding:0 0 8px}.mtoc-child-h2 .mtoc-link{padding:6px 16px 6px 40px;font-size:13px}.mtoc-child-h3 .mtoc-link{padding:5px 16px 5px 52px;font-size:12px}body{padding-top:44px}.markdown-content h1,.markdown-content h2,.markdown-content h3{scroll-margin-top:52px}}@media(max-width:1200px)and (prefers-color-scheme:dark){.mobile-toc-dropdown{box-shadow:0 8px 24px #0006}.mobile-toc-backdrop:not([hidden]){background:#00000080}}.back-link{display:none}.dict-trigger{position:absolute;z-index:2000;display:inline-flex;align-items:center;gap:4px;padding:6px 12px;background:var(--accent-color);color:#fff;border:none;border-radius:20px;font-family:system-ui,-apple-system,sans-serif;font-size:12px;font-weight:600;cursor:pointer;box-shadow:0 2px 8px #0003;transition:transform .1s,opacity .15s;-webkit-tap-highlight-color:transparent}.dict-trigger[hidden]{display:none!important}.dict-trigger:hover{transform:scale(1.05)}.dict-trigger:active{transform:scale(.95)}.dict-popup{position:absolute;z-index:2001;width:320px;max-width:calc(100vw - 16px);background:var(--card-bg);border:1px solid var(--divider-color);border-radius:12px;box-shadow:0 8px 32px #0003;font-family:system-ui,-apple-system,sans-serif;overflow:hidden;animation:dict-fade-in .15s ease-out}@keyframes dict-fade-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.dict-popup-header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px 10px;border-bottom:1px solid var(--divider-color)}.dict-popup-word{font-weight:700;font-size:15px;color:var(--text-color);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.dict-popup-close{background:none;border:none;font-size:20px;color:var(--text-muted);cursor:pointer;padding:0 0 0 8px;line-height:1;flex-shrink:0}.dict-popup-close:hover{color:var(--text-color)}.dict-popup-body{padding:12px 14px 14px;font-size:14px;line-height:1.6;color:var(--text-color);max-height:300px;overflow-y:auto}.dict-entry{margin-bottom:6px}.dict-entry:last-child{margin-bottom:0}.dict-label{display:inline-block;font-weight:700;font-size:11px;color:var(--accent-color);background:#ff000014;padding:1px 6px;border-radius:3px;margin-right:4px;vertical-align:baseline}.dict-loading{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:13px}.dict-spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--divider-color);border-top-color:var(--accent-color);border-radius:50%;animation:dict-spin .6s linear infinite}@keyframes dict-spin{to{transform:rotate(360deg)}}@media(prefers-color-scheme:dark){.dict-popup{box-shadow:0 8px 32px #00000080}.dict-label{background:#ff000026}}.speak-cta-container{margin:22px 0 8px;text-align:center}.speak-cta-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;background:linear-gradient(135deg,#ff5a5a,#e53935);color:#fff;border-radius:12px;text-decoration:none;font-size:15.5px;font-weight:700;line-height:1.3;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;box-shadow:0 3px 12px #e539354d;transition:transform .1s,box-shadow .2s}.speak-cta-btn:hover{transform:translateY(-2px);box-shadow:0 6px 18px #e539356b}.speak-cta-btn svg{flex-shrink:0;width:18px;height:18px}@media(max-width:600px){.speak-cta-container{margin:18px 0 6px}.speak-cta-btn{width:100%;max-width:340px;padding:11px 16px;font-size:14px;gap:7px;border-radius:11px}.speak-cta-btn svg{width:16px;height:16px}}