/* Modern Engineering — responsive Tistory theme, v1.2.0 */
:root{--brand:#2563eb;--brand-soft:#eff6ff;--bg:#f8fafc;--surface:#fff;--surface-2:#f1f5f9;--text:#122033;--muted:#64748b;--faint:#94a3b8;--line:#e6edf4;--shadow:0 10px 32px rgba(29,52,83,.05);--radius:14px;--page-width:1190px;--font:'DM Sans','Noto Sans KR',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.68;-webkit-font-smoothing:antialiased;overflow-wrap:break-word}button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}a:hover{color:var(--brand)}img{max-width:100%;height:auto}svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.4;letter-spacing:-.045em}h1{font-size:36px}h2{font-size:24px}h3{font-size:19px}ul,ol{padding-left:1.5em}.container{width:min(calc(100% - 64px),var(--page-width));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:10000;top:-100px;left:16px;background:var(--brand);color:white;padding:12px 18px;border-radius:8px}.skip-link:focus{top:12px;color:white}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(37,99,235,.42);outline-offset:3px}
/* header */
.site-header{height:86px;background:var(--surface);border-bottom:1px solid var(--line);position:sticky;z-index:100;top:0}.header-inner{height:100%;display:flex;align-items:center;gap:38px}.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;min-width:230px}.brand-mark{width:43px;height:43px;border-radius:12px;box-shadow:0 3px 10px rgba(18,32,51,.15)}.brand-copy{display:flex;flex-direction:column;line-height:1.35}.brand-copy strong{font-size:17px;font-weight:800;letter-spacing:-.05em}.brand-copy small{font-size:10px;color:var(--faint);font-weight:700;letter-spacing:.08em;margin-top:3px}.main-nav{display:flex;align-items:center;gap:30px;margin-right:auto}.main-nav a{font-size:13px;font-weight:700;color:var(--muted);white-space:nowrap}.main-nav a:hover{color:var(--brand)}#tt-body-index .nav-home,#tt-body-category .nav-category,#tt-body-tag .nav-tag,#tt-body-guestbook .nav-guest{color:var(--brand)}.header-tools{display:flex;gap:10px;align-items:center}.search-box{display:flex;align-items:center;border:1px solid var(--line);background:var(--bg);width:205px;height:38px;border-radius:10px;padding-left:12px;transition:border-color .2s}.search-box:focus-within{border-color:var(--brand)}.search-box input{background:none;outline:none;border:0;width:100%;min-width:0;color:var(--text);font-size:12px}.search-box input::placeholder{color:var(--faint)}.search-box button{border:0;background:none;color:var(--muted);height:35px;width:37px;display:grid;place-items:center}.search-box svg{height:17px;width:17px}.icon-button{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);color:var(--muted);border-radius:10px;background:var(--surface)}.icon-button:hover{color:var(--brand);background:var(--brand-soft)}.menu-toggle{display:none}.sun-icon{display:none}
/* site intro */
.main-container{padding-top:32px;padding-bottom:68px}.hero{height:335px;position:relative;display:flex;align-items:center;overflow:hidden;border-radius:18px;background:#253754 url('./images/hero-landscape.svg') center 48%/cover no-repeat;color:#fff;box-shadow:var(--shadow)}.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,21,42,.82) 0%,rgba(9,26,50,.52) 46%,rgba(7,20,40,.12) 100%)}.hero-content{position:relative;z-index:1;width:min(680px,85%);padding:0 57px}.hero-eyebrow{font-size:10px;letter-spacing:.15em;font-weight:800;color:#d6e7ff;display:flex;align-items:center;gap:9px;margin-bottom:19px}.live-dot{width:7px;height:7px;border-radius:50%;background:#82e6ce;box-shadow:0 0 0 5px rgba(130,230,206,.14)}.hero h1{font-size:34px;max-width:600px;font-weight:800;margin-bottom:14px;letter-spacing:-.045em;word-break:keep-all}.hero p{max-width:490px;font-size:13px;line-height:1.95;color:#e5eaf5;word-break:keep-all;margin-bottom:22px}.hero-actions{display:flex;align-items:center;gap:10px}.hero-button{display:inline-flex;align-items:center;gap:16px;padding:9px 15px;border-radius:7px;font-weight:700;font-size:12px;transition:transform .2s,background .2s}.hero-button:hover{transform:translateY(-2px)}.hero-button-primary{background:#fff;color:#1e293b}.hero-button-primary:hover{color:var(--brand)}.hero-button-secondary{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.24)}.hero-button-secondary:hover{background:rgba(255,255,255,.2);color:#fff}.hero-corner{position:absolute;bottom:19px;right:25px;font-size:9px;font-weight:700;letter-spacing:.15em;color:#d5dcec;opacity:.8}
/* section headings */
.featured-categories{margin-top:50px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}.section-heading h2,.section-heading h1{font-size:24px;font-weight:800;margin:4px 0 7px}.section-heading p{color:var(--muted);font-size:12px;margin:0}.section-kicker{color:var(--brand);font-weight:800;font-size:10px;letter-spacing:.12em}.text-link{color:var(--brand);font-size:12px;font-weight:800;white-space:nowrap;margin-bottom:4px}.text-link span{margin-left:4px}.section-heading.compact{margin-bottom:24px;align-items:start}
/* topics */
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.topic-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;min-height:104px;display:flex;align-items:center;gap:14px;padding:18px;transition:border-color .2s,box-shadow .2s,transform .2s}.topic-card:hover{border-color:#bcd2fe;box-shadow:0 12px 27px rgba(32,79,155,.08);transform:translateY(-2px)}.topic-icon{border-radius:11px;width:52px;height:52px;display:grid;place-items:center;flex:0 0 auto;font-size:19px;font-weight:800;letter-spacing:-.06em}.topic-cpp{background:#eaf1ff;color:#2563eb}.topic-cpp span{font-size:12px}.topic-dx{background:#ecfdf5;color:#0d9488}.topic-game{background:#fff0f8;color:#db2777;font-size:25px}.topic-server{background:#eaf4ff;color:#0284c7;font-size:28px}.topic-win{background:#edeeff;color:#6366f1;font-size:28px}.topic-devops{background:#fff7ed;color:#ea580c;font-size:16px}.topic-info{display:flex;flex-direction:column;min-width:0}.topic-info strong{font-size:14px;font-weight:800}.topic-info small{color:var(--muted);font-size:11px;margin-top:2px}.topic-arrow{margin-left:auto;align-self:start;font-size:15px;color:var(--faint)}
/* homepage cards / feed */
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 272px;gap:26px;align-items:start}.content-layout>.main-column{min-width:0;max-width:100%}#tt-body-index .content-layout{display:block}#tt-body-index .right-sidebar{display:none}.feed-heading{margin-top:48px}.cards-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.post-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;min-width:0;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}.post-card:hover{box-shadow:0 14px 32px rgba(38,62,94,.09);transform:translateY(-3px)}.card-visual{display:block;position:relative;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#0b335b 0%,#16528a 42%,#388fb0 100%)}.card-visual::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(120deg,transparent 0 39px,rgba(255,255,255,.07) 40px 41px),radial-gradient(circle at 78% 26%,rgba(255,255,255,.2),transparent 38%)}.post-card:nth-child(6n+2) .card-visual{background:linear-gradient(135deg,#19264c,#345d9e 68%,#84a0c4)}.post-card:nth-child(6n+3) .card-visual{background:linear-gradient(135deg,#2f244d,#514e92 50%,#d67aa7)}.post-card:nth-child(6n+4) .card-visual{background:linear-gradient(135deg,#153b45,#227987,#53b9ad)}.post-card:nth-child(6n+5) .card-visual{background:linear-gradient(135deg,#323c55,#566a8d,#e3a68b)}.post-card:nth-child(6n+6) .card-visual{background:linear-gradient(135deg,#372b52,#6c4685,#a468bb)}.card-visual img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;z-index:2;transition:transform .3s}.post-card:hover .card-visual img{transform:scale(1.04)}.card-visual-symbol{position:absolute;left:20px;bottom:12px;font-size:44px;font-weight:800;letter-spacing:-.12em;color:rgba(255,255,255,.45)}.card-content{padding:19px 19px 17px;flex:1;display:flex;flex-direction:column}.post-category{display:inline-block;color:var(--brand);font-weight:800;font-size:11px}.card-content .post-category{align-self:start}.card-content h3{margin:10px 0 8px;font-size:16px;font-weight:800;line-height:1.55;letter-spacing:-.045em;min-height:49px}.card-content p{color:var(--muted);font-size:12px;line-height:1.75;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;min-height:42px;margin-bottom:20px}.post-meta{display:flex;align-items:center;gap:10px;color:var(--faint);font-size:11px;letter-spacing:0}.card-content .post-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);justify-content:space-between}
/* archive */
.archive-section{margin:0 0 35px}.archive-section h1{font-size:29px}.count-pill{font-size:13px;vertical-align:middle;background:var(--brand-soft);color:var(--brand);padding:4px 11px;border-radius:20px;margin-left:7px}.archive-list{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;min-width:0;max-width:100%}.archive-item{display:flex;min-width:0;width:100%;max-width:100%;overflow:hidden;gap:19px;align-items:center;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:12px;min-height:140px}.archive-thumb{flex:0 0 154px;aspect-ratio:4/3;background:linear-gradient(135deg,#1a3b68,#429ac4);position:relative;display:grid;place-items:center;border-radius:8px;overflow:hidden}.archive-thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.thumbnail-pattern{font-size:27px;font-weight:800;color:rgba(255,255,255,.8)}.archive-copy{flex:1 1 0%;min-width:0;max-width:100%;overflow:hidden;overflow-wrap:anywhere}.archive-copy h2{font-size:17px;margin:5px 0 7px;overflow-wrap:anywhere;word-break:break-word}.archive-copy p{color:var(--muted);font-size:12px;line-height:1.7;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:9px}.archive-arrow{font-size:20px;color:var(--faint);padding:9px}.empty-state{border:1px dashed var(--line);background:var(--surface);padding:50px 20px;text-align:center;border-radius:12px;color:var(--muted)}
/* sidebar */
.right-sidebar{position:relative;min-width:0}.aside-box{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:18px}.aside-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px;gap:8px}.aside-top strong{font-size:13px}.aside-top span{font-size:9px;font-weight:800;letter-spacing:.07em;color:var(--faint)}.aside-top a{color:var(--brand);font-size:10px;font-weight:700}.toc-box{display:none;position:sticky;top:110px}.toc-box.visible{display:block}.toc-box #article-toc{display:grid;gap:3px;border-left:1px solid var(--line);padding-left:13px}.toc-box #article-toc a{color:var(--muted);font-size:11px;display:block;line-height:1.5;padding:6px 2px}.toc-box #article-toc a.toc-h3{padding-left:13px;font-size:10px}.toc-box #article-toc a.active,.toc-box #article-toc a:hover{color:var(--brand)}.category-box details{font-size:12px;color:var(--muted)}.category-box summary{cursor:pointer;padding:7px 0;list-style:none}.category-box summary::after{content:'⌄';float:right;font-size:18px;line-height:1}.category-box details[open] summary::after{content:'⌃'}.tistory-category-tree{max-height:290px;overflow:auto;border-top:1px solid var(--line);margin-top:8px;padding-top:10px}.tistory-category-tree ul{list-style:none;margin:0;padding-left:12px}.tistory-category-tree>ul{padding-left:0}.tistory-category-tree li{padding:3px 0}.tistory-category-tree a{font-size:11px}.tistory-category-tree .c_cnt{color:var(--faint);font-size:10px}.recent-box ul{margin:0;padding:0;list-style:none}.recent-box li{border-top:1px solid var(--line);padding:11px 0;display:flex;flex-direction:column;gap:3px}.recent-box li:first-child{border-top:0;padding-top:0}.recent-box li a{font-size:12px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.recent-box time{font-size:10px;color:var(--faint)}.note-box{background:#f2f7ff}.note-box>span{font-size:9px;font-weight:800;letter-spacing:.1em;color:var(--brand);display:block}.note-box strong{display:block;margin:9px 0 5px}.note-box p{font-size:11px;color:var(--muted);line-height:1.8}.note-box a{font-size:11px;color:var(--brand);font-weight:800}
/* single post */
.article-view,.tag-cloud-page,.guestbook-page{background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:41px min(6%,54px);min-width:0}.article-header{border-bottom:1px solid var(--line);padding-bottom:27px;margin-bottom:31px}.article-header h1{font-size:32px;line-height:1.43;font-weight:800;margin:12px 0 16px;word-break:keep-all}.article-header .post-meta{font-size:12px;flex-wrap:wrap}.breadcrumb{display:flex;align-items:center;gap:10px;color:var(--faint);font-size:11px;margin:0 0 20px}.breadcrumb a:hover{color:var(--brand)}.post-admin{display:flex;gap:10px;margin-top:15px;color:var(--brand);font-size:11px}.entry-content{font-size:15px;color:var(--text);line-height:2;overflow-wrap:anywhere;word-break:normal}.entry-content h2{font-size:24px;margin:45px 0 15px;border-bottom:1px solid var(--line);padding-bottom:10px}.entry-content h3{font-size:19px;margin:30px 0 13px}.entry-content h4{font-size:16px;margin:25px 0 10px}.entry-content p{margin:0 0 20px}.entry-content img{height:auto;max-width:100%;border-radius:6px}.entry-content a:not(.btn){color:var(--brand);text-decoration:underline;text-underline-offset:3px}.entry-content table{border-collapse:collapse;display:block;max-width:100%;overflow:auto;font-size:13px;margin:20px 0}.entry-content th,.entry-content td{padding:9px 13px;border:1px solid var(--line);white-space:normal}.entry-content th{background:var(--surface-2)}.entry-content blockquote{border-left:3px solid var(--brand);background:var(--brand-soft);padding:16px 20px;margin:20px 0;color:var(--muted)}.entry-content pre{overflow:auto;padding:19px 20px;border-radius:10px;background:#101827;color:#d8e7fd;line-height:1.75;font-size:12px;position:relative;tab-size:4;max-width:100%}.entry-content pre code{background:none;padding:0;border:0;color:inherit;white-space:pre}.entry-content code{font-family:'Cascadia Code',Consolas,Monaco,monospace;font-size:.88em;background:var(--surface-2);color:#b42362;padding:2px 5px;border-radius:4px}.entry-content hr{border:0;border-top:1px solid var(--line);margin:30px 0}.entry-content figure{max-width:100%;margin:24px 0}.entry-content iframe,.entry-content video{max-width:100%}.entry-content ul,.entry-content ol{padding-left:24px}.entry-content li{margin-bottom:6px}.code-copy{position:absolute;top:10px;right:10px;font:700 10px var(--font);padding:4px 9px;background:#2a3b51;color:#eaf0f7;border:1px solid #42526a;border-radius:5px}.article-tags{border-top:1px solid var(--line);padding:24px 0 5px;margin-top:35px;display:flex;align-items:center;flex-wrap:wrap;gap:7px}.article-tags strong{margin-right:8px;font-size:12px}.article-tags a{font-size:11px;padding:5px 10px;border-radius:20px;background:var(--surface-2);color:var(--muted)}.article-tags a:hover{color:var(--brand)}.post-share{display:flex;gap:9px;padding:20px 0;border-bottom:1px solid var(--line)}.outline-button,.solid-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--surface);padding:8px 13px;border-radius:8px;font-size:11px;font-weight:700}.outline-button:hover{border-color:var(--brand);color:var(--brand)}.solid-button{background:var(--brand);border-color:var(--brand);color:white}.related{padding-top:27px}.related h2,.comments h2{font-size:19px;margin-bottom:14px}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.related-item{min-width:0;display:flex;flex-direction:column;gap:7px}.related-thumb{aspect-ratio:16/9;display:block;background:linear-gradient(140deg,#143a67,#5c84c4);border-radius:7px;overflow:hidden}.related-thumb img{width:100%;height:100%;object-fit:cover}.related-item strong{font-size:11px;line-height:1.6;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.related-item small{font-size:10px;color:var(--faint)}.post-neighbors{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:30px}.post-neighbors a{border:1px solid var(--line);border-radius:9px;padding:14px;display:flex;flex-direction:column;gap:7px;min-width:0}.post-neighbors small{color:var(--muted);font-size:11px}.post-neighbors strong{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.comments{border-top:1px solid var(--line);margin-top:35px;padding-top:28px}.comments [data-tistory-react-app]{max-width:100%}.protected-input{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:20px 0}.protected-input input{min-height:42px;border:1px solid var(--line);border-radius:7px;padding:8px 12px}
/* tags, guestbook, paging */
.tag-cloud-page,.guestbook-page{min-height:270px}.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}.tag-cloud a{border:1px solid var(--line);border-radius:30px;background:var(--surface-2);padding:8px 14px;font-weight:700;color:var(--muted);font-size:12px}.tag-cloud a.cloud1,.tag-cloud a:hover{color:var(--brand);border-color:#c5d8ff;background:var(--brand-soft)}.pagination{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:35px;font-size:12px}.pagination>a{padding:8px 12px;border-radius:7px;background:var(--surface);border:1px solid var(--line)}.pagination .no-more-prev,.pagination .no-more-next{pointer-events:none;opacity:.32}.page-numbers{display:flex;gap:6px;align-items:center}.page-numbers a{border:1px solid transparent;padding:6px 11px;border-radius:7px}.page-numbers a:hover{background:var(--brand-soft)}.page-numbers a.selected{color:var(--brand);border-color:#c5d8ff;background:var(--brand-soft);font-weight:800}.guestbook-page .tt-comment-cont{max-width:100%}
/* footer */
.site-footer{border-top:1px solid var(--line);background:var(--surface);padding:37px 0 23px}.footer-inner{display:flex;justify-content:space-between;gap:30px}.footer-inner strong{font-size:16px}.footer-inner p{color:var(--muted);font-size:12px;margin:7px 0 12px}.footer-inner small{font-size:10px;color:var(--faint)}.footer-links{display:flex;flex-wrap:wrap;gap:19px;align-content:start;margin-top:6px}.footer-links a{font-weight:700;color:var(--muted);font-size:11px}.footer-links a:hover{color:var(--brand)}.extra-blog-menu{margin-top:14px;border-top:1px solid var(--line);padding-top:14px}.extra-blog-menu ul{list-style:none;padding:0;margin:0;display:flex;gap:15px;flex-wrap:wrap}.extra-blog-menu li{display:inline-block}.extra-blog-menu a{font-size:11px;color:var(--muted)}.back-top{position:fixed;right:26px;bottom:26px;z-index:20;width:42px;height:42px;background:var(--surface);border:1px solid var(--line);color:var(--brand);border-radius:50%;font-size:18px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(12px);transition:opacity .2s,transform .2s}.back-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
/* page-conditional elements */
body:not(#tt-body-index) .home-only{display:none!important}
#tt-body-index .archive-section,#tt-body-index .article-view,#tt-body-index .tag-cloud-page,#tt-body-index .guestbook-page{display:none}
body:not(#tt-body-index) .post-card{display:none}
body:not(#tt-body-index) .cards-grid{display:block}
body:not(#tt-body-index) .archive-section{margin-bottom:28px}
#tt-body-page .archive-section,#tt-body-guestbook .archive-section,#tt-body-tag .archive-section{display:none}

#tt-body-page .content-layout{padding-top:0}
#tt-body-page .main-column{min-width:0}
#tt-body-guestbook .content-layout,#tt-body-tag .content-layout{grid-template-columns:minmax(0,1fr) 272px}
#tt-body-page .pagination{display:none}
/* Dark mode */
html[data-theme=dark]{color-scheme:dark;--bg:#0d1524;--surface:#131e30;--surface-2:#1c2b40;--text:#ecf2fc;--muted:#a2b1c6;--faint:#8194ae;--line:#283951;--brand-soft:#132b51;--shadow:0 10px 32px rgba(0,0,0,.18)}
html[data-theme=dark] .moon-icon{display:none}html[data-theme=dark] .sun-icon{display:block}html[data-theme=dark] .hero-button-primary{background:#eaf2ff;color:#14233c}html[data-theme=dark] .note-box{background:#192943}html[data-theme=dark] .card-visual{background-color:#253754}html[data-theme=dark] .entry-content code{color:#f3a2c7}
/* Responsive */
@media(max-width:1060px){.container{width:min(calc(100% - 40px),var(--page-width))}.header-inner{gap:18px}.brand{min-width:205px}.main-nav{gap:16px}.search-box{width:165px}.content-layout{grid-template-columns:minmax(0,1fr) 230px;gap:20px}.topic-card{gap:10px;padding:15px}.topic-info small{font-size:10px}.topic-icon{width:46px;height:46px}.card-content{padding:16px}.right-sidebar .aside-box{padding:17px}}
@media(max-width:780px){.site-header{height:72px}.brand{margin-right:auto;min-width:0}.brand-mark{width:39px;height:39px}.brand-copy strong{font-size:15px}.brand-copy small{font-size:9px}.header-inner{position:relative}.menu-toggle{display:grid;order:3}.header-tools{order:2}.main-nav{display:none;position:absolute;z-index:200;top:calc(100% + 1px);left:-20px;right:-20px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:18px 20px;flex-direction:column;align-items:stretch;gap:0}.main-nav.open{display:flex}.main-nav a{padding:12px;border-bottom:1px solid var(--line)}.main-nav a:last-child{border-bottom:0}.main-container{padding-top:20px}.hero{height:310px}.hero-content{padding:0 35px}.hero h1{font-size:29px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.cards-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.content-layout{display:block}.right-sidebar{margin-top:25px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.right-sidebar .aside-box{margin-bottom:0}.toc-box{position:static}.note-box{grid-column:1/-1}.archive-item{gap:13px}.archive-thumb{flex-basis:125px}.article-view{padding:31px 28px}}
@media(max-width:560px){.container{width:min(calc(100% - 28px),var(--page-width))}.site-header{height:66px}.header-inner{gap:8px}.brand{gap:8px}.brand-mark{width:34px;height:34px}.brand-copy strong{font-size:14px}.brand-copy small{display:none}.search-box{width:36px;background:transparent;padding:0;overflow:hidden;justify-content:flex-end}.search-box:focus-within{position:absolute;left:0;right:86px;z-index:10;width:auto;background:var(--surface);padding-left:12px}.search-box:not(:focus-within) input{width:0;padding:0;opacity:0}.search-box button{flex:0 0 36px}.header-tools{gap:7px}.icon-button{width:36px;height:36px}.main-nav{left:-14px;right:-14px}.hero{height:330px;border-radius:12px}.hero::before{background:linear-gradient(90deg,rgba(8,21,42,.88),rgba(8,21,42,.48))}.hero-content{width:100%;padding:0 23px}.hero h1{font-size:27px;line-height:1.42}.hero p{font-size:12px;line-height:1.85}.hero-eyebrow{font-size:9px;letter-spacing:.08em}.hero-actions{gap:7px}.hero-button{font-size:11px;padding:9px 10px;gap:8px}.hero-corner{display:none}.featured-categories{margin-top:36px}.section-heading{margin-bottom:17px;gap:10px}.section-heading h2,.section-heading h1{font-size:21px}.section-heading p{font-size:11px}.text-link{font-size:10px}.topic-grid{gap:9px}.topic-card{min-height:94px;padding:11px;gap:10px}.topic-icon{width:38px;height:38px;font-size:14px;border-radius:9px}.topic-cpp span{font-size:9px}.topic-info strong{font-size:12px}.topic-info small{font-size:9px;line-height:1.5}.topic-arrow{display:none}.feed-heading{margin-top:37px}.cards-grid{grid-template-columns:1fr;gap:14px}.card-visual{aspect-ratio:16/8}.card-content h3{min-height:0;font-size:16px}.card-content p{margin-bottom:13px;min-height:0}.archive-section h1{font-size:24px}.archive-item{min-height:0;padding:11px;gap:11px}.archive-thumb{flex:0 0 95px;aspect-ratio:1}.archive-copy h2{font-size:13px}.archive-copy p{font-size:11px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;white-space:normal;overflow:hidden}.archive-arrow{display:none}.right-sidebar{grid-template-columns:1fr}.article-view,.tag-cloud-page,.guestbook-page{padding:25px 18px}.article-header h1{font-size:25px}.entry-content{font-size:14px;line-height:1.9}.entry-content h2{font-size:20px}.entry-content h3{font-size:17px}.entry-content pre{font-size:11px;padding:13px}.related-grid{gap:8px}.related-item strong{font-size:10px}.post-neighbors{gap:8px}.footer-inner{flex-direction:column;gap:15px}.footer-links{gap:15px}.pagination{gap:7px}.page-numbers{gap:2px}.page-numbers a{padding:6px 7px}.back-top{bottom:18px;right:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}}


/* v1.2 - Native Tistory comment template (s_rp, s_rp_container, s_rp_rep) */
.comments { min-width:0; max-width:100%; overflow-wrap:anywhere; }
.feedback-heading { margin-bottom:22px; }
.feedback-heading h2 { margin:0 0 7px; font-size:20px; font-weight:800; line-height:1.5; }
.feedback-heading p { margin:0; font-size:12px; color:var(--muted); }
.feedback-count { display:inline-block; margin-left:5px; padding:2px 9px; border-radius:30px; background:var(--brand-soft); color:var(--brand); font-size:12px; vertical-align:middle; }
.feedback-list,.feedback-replies { margin:0; padding:0; list-style:none; min-width:0; }
.feedback-item { margin:0 0 12px; min-width:0; }
.feedback-card { border:1px solid var(--line); border-radius:12px; background:var(--surface); padding:18px 20px; min-width:0; }
.feedback-meta { display:flex; flex-wrap:wrap; align-items:center; gap:10px; margin-bottom:10px; }
.feedback-author { color:var(--text); font-weight:800; font-size:13px; }
.feedback-date { color:var(--faint); font-size:11px; }
.feedback-message { color:var(--text); font-size:13px; line-height:1.8; overflow-wrap:anywhere; word-break:break-word; min-width:0; }
.feedback-message p { margin:0 0 8px; }
.feedback-message p:last-child { margin-bottom:0; }
.feedback-actions { display:flex; flex-wrap:wrap; gap:14px; padding-top:12px; }
.feedback-action { font-size:11px; font-weight:700; color:var(--muted); }
.feedback-action:hover { color:var(--brand); }
.feedback-replies { margin:10px 0 0 26px; padding-left:15px; border-left:2px solid var(--line); }
.feedback-replies .feedback-card { background:var(--surface-2); }
.feedback-form { margin-top:22px; padding:23px; border:1px solid var(--line); border-radius:12px; background:var(--surface-2); min-width:0; }
.feedback-form h3 { margin:0 0 17px; font-size:16px; }
.feedback-guest-fields { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px 14px; margin-bottom:12px; }
.feedback-guest-fields label { min-width:0; font-size:11px; font-weight:700; color:var(--muted); }
.feedback-guest-fields label:last-child { grid-column:1/-1; }
.feedback-guest-fields input { display:block; margin-top:6px; width:100%; min-width:0; min-height:40px; padding:8px 11px; border:1px solid var(--line); border-radius:7px; color:var(--text); background:var(--surface); }
.feedback-secret { display:flex; align-items:center; gap:6px; width:max-content; max-width:100%; color:var(--muted); font-size:12px; cursor:pointer; margin-bottom:12px; }
.feedback-secret input { accent-color:var(--brand); }
.feedback-textarea-label { display:block; margin:6px 0 6px; font-size:12px; font-weight:700; }
.feedback-form textarea { display:block; width:100%; min-width:0; min-height:115px; resize:vertical; padding:12px; border:1px solid var(--line); border-radius:8px; background:var(--surface); color:var(--text); font:inherit; font-size:13px; line-height:1.7; }
.feedback-form input:focus,.feedback-form textarea:focus { outline:2px solid var(--brand); outline-offset:1px; }
.feedback-form-actions { margin-top:13px; display:flex; justify-content:flex-end; }
.feedback-form-actions .solid-button { padding:10px 21px; border:0; border-radius:8px; color:#fff; font-weight:700; background:var(--brand); }
.feedback-form-actions .solid-button:hover { filter:brightness(.92); }
@media(max-width:560px) {
  .feedback-card { padding:14px; }
  .feedback-replies { margin-left:10px; padding-left:10px; }
  .feedback-form { padding:15px; }
  .feedback-guest-fields { grid-template-columns:minmax(0,1fr); }
  .feedback-guest-fields label:last-child { grid-column:auto; }
}