/* Public navigation, discovery and reading surfaces. Charts retain their own styles. */
@font-face{font-family:"Noto Korean Label";src:url(fonts/language-korean.woff2) format("woff2");font-style:normal;font-weight:400;font-display:swap;unicode-range:U+AD6D,U+C5B4,U+D55C}
.site-header{height:78px;position:relative;z-index:35}
.header-inner{gap:18px}.header-inner>.primary-nav{gap:18px;font-size:12px;overflow:visible}
.header-inner>.primary-nav>a,.primary-nav>.tools-menu>summary{padding:27px 0;line-height:23px}
.header-inner>.primary-nav>a:hover{color:var(--accent)}
.navigation-toggle{display:none;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:1px solid var(--line);border-radius:9px;background:var(--panel);color:var(--secondary)}
.primary-nav .tools-submenu{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0 14px;width:820px;max-width:calc(100vw - 40px);padding:16px;border-radius:16px;box-shadow:0 14px 44px #18233118}
.primary-nav .tools-submenu>.tools-overview{grid-column:1/-1;padding:5px 6px 14px;margin-bottom:16px;font-size:13px}
.tools-menu-group{min-width:0}.tools-menu-group .tools-group-label{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:500;line-height:1.6;margin:0 0 8px;padding:0 8px}
.header-inner .tools-menu-group>a{display:block;min-height:42px;padding:10px 8px;border-radius:7px;font-size:12px;line-height:1.5;color:var(--secondary);white-space:normal;overflow-wrap:anywhere}
.header-inner .tools-menu-group>a:hover,.header-inner .tools-menu-group>a[aria-current]{background:var(--control-selected);color:var(--accent)}
.header-controls .language-menu{border-radius:13px;padding:7px;box-shadow:0 12px 32px #18233118}
.header-controls .language-menu a{direction:inherit;min-height:40px;border-radius:7px;text-align:start}
.language-menu a>span{flex:1;text-align:left;unicode-bidi:isolate}html[dir=rtl] .language-menu a>span{text-align:right}
.language-menu a[lang=ko-KR],html[lang=ko-KR] .language-pill{font-family:"Noto Korean Label","Apple SD Gothic Neo","Malgun Gothic","Noto Sans CJK KR",Arial,sans-serif}
.metrics{border:0;padding:0;gap:14px;margin-top:6px;grid-template-columns:repeat(3,minmax(0,1fr))}.metrics>.metric{min-width:0;border:1px solid var(--line);border-radius:13px;background:var(--panel);padding:21px 24px}
.chart-card{box-shadow:0 4px 18px #18233104}.hero-intro{line-height:1.7}
.site-discovery{margin:30px 0}.site-discovery>h2{font-size:17px;margin-bottom:14px;letter-spacing:-.2px}
.discovery-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.discovery-grid>a{display:flex;align-items:flex-start;gap:11px;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--panel);transition:border-color .15s,transform .15s;min-width:0}
.discovery-grid>a:hover{border-color:var(--control-outline);transform:translateY(-2px)}
.discovery-icon{display:grid;place-items:center;flex-shrink:0;width:34px;height:34px;border-radius:10px;background:var(--control-selected);color:var(--accent)}.discovery-icon svg{width:19px;height:19px}
.discovery-grid strong{font-size:13px;font-weight:500;display:block;line-height:1.5}.discovery-grid strong+span{display:block;font-size:11px;line-height:1.7;color:var(--muted);margin-top:5px}
.discovery-arrow{margin-inline-start:auto;color:var(--accent);font-size:15px;line-height:1.2}html[dir=rtl] .discovery-arrow{transform:scaleX(-1)}
.site-footer{display:grid;grid-template-columns:210px minmax(0,1fr);align-items:start;gap:30px 45px;padding-top:36px;padding-bottom:25px}
.site-footer>.footer-intro{display:block}.site-footer .footer-intro p{font-size:11px;line-height:1.8;color:var(--muted);margin-top:14px;max-width:200px}
.site-footer .footer-directory{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:25px;font-size:12px}
.footer-directory section{min-width:0}.footer-directory h2{font-size:12px;line-height:1.5;margin:0 0 12px;font-weight:500;color:var(--text)}
.footer-directory a{display:block;color:var(--muted);padding:6px 0;font-size:11px;line-height:1.65;overflow-wrap:anywhere}
.site-footer>.footer-bottom{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:18px;padding-top:20px;border-top:1px solid var(--line)}
.site-footer>.footer-bottom>.copyright{display:block;width:auto;font-size:10px}.footer-bottom nav{font-size:10px;gap:20px}
.tool-category-nav{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 30px}.tool-category-nav a{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:24px;padding:9px 13px;background:var(--panel);font-size:12px;color:var(--secondary)}.tool-category-nav a:hover{border-color:var(--accent);color:var(--accent)}.tool-category-nav span{font-size:10px;color:var(--muted)}.tools-group{scroll-margin-top:24px}
.tutorial-filters{display:grid;grid-template-columns:minmax(180px,1.8fr) minmax(140px,1fr) minmax(150px,1fr) auto;gap:12px;align-items:end;padding:20px;border:1px solid var(--line);border-radius:14px;background:var(--panel);margin:0 0 18px;scroll-margin-top:24px}
.tutorial-filters label{display:flex;flex-direction:column;gap:7px;min-width:0;font-size:11px;color:var(--muted)}
.tutorial-filters input,.tutorial-filters select{width:100%;min-height:42px;background:var(--control-bg);border:1px solid var(--line);border-radius:8px;color:var(--text);padding:9px 11px;font:inherit;font-size:13px;min-width:0}
.tutorial-filters button{min-height:42px;border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:9px 14px;color:var(--secondary);font-size:12px}.tutorial-filters button:hover{background:var(--control-hover)}
.tutorial-filter-status{grid-column:1/-1;font-size:11px;color:var(--muted);min-height:17px}.tutorial-empty{padding:28px;border:1px dashed var(--line);border-radius:12px;color:var(--muted);font-size:14px;margin:20px 0}
.tutorial-level-nav{margin-bottom:30px}.tutorial-level-nav a{padding:10px 15px;border-radius:25px;font-size:12px}
.tutorial-level{margin-top:30px}.tutorial-level-heading h2{font-size:26px}.tutorial-group{margin-top:25px}.tutorial-level>.tutorial-topics{margin-bottom:24px}
.tutorial-group .tutorial-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}
.tutorial-group .tutorial-card{display:grid;grid-template-columns:152px minmax(0,1fr);border-radius:13px;min-height:210px;transition:border-color .15s,transform .15s}
.tutorial-group .tutorial-card-visual{aspect-ratio:auto;display:flex;align-items:center;border-bottom:0;border-inline-end:1px solid var(--line);background:var(--control-bg)}
.tutorial-group .tutorial-card-visual img{height:auto;width:100%;aspect-ratio:16/9}
.tutorial-group .tutorial-card-body{padding:19px;gap:10px}.tutorial-card :is(h3,h4){margin:0;font-weight:500}
.tutorial-group .tutorial-card h4{font-size:18px;line-height:1.35;letter-spacing:-.35px}.tutorial-group .tutorial-card-body>p:not(.tutorial-meta){font-size:12px;line-height:1.7}
.tutorial-group .tutorial-meta{gap:6px 10px}.tutorial-group .tutorial-read{font-size:11px;padding-top:3px}
.tutorial-article-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:40px;align-items:center;margin:12px 0 35px;padding:16px 0 30px;border-bottom:1px solid var(--line)}
.tutorial-article-hero .tutorial-article-header{padding:14px 0}.tutorial-article-hero h1{font-size:clamp(30px,3vw,43px);line-height:1.2}
.tutorial-article-hero .tutorial-illustration{margin:0;border-radius:17px}.tutorial-article-hero .tutorial-illustration>img{max-height:none;aspect-ratio:16/9}.tutorial-article-hero figcaption{font-size:11px;line-height:1.7;padding:13px 17px}
.tutorial-layout{grid-template-columns:210px minmax(0,780px);gap:40px;justify-content:center}.tutorial-toc nav{border-radius:13px}
.tutorial-featured .tutorial-card-visual{max-height:210px}.tutorial-featured .tutorial-card-body{padding:22px}.tutorial-featured .tutorial-card{border-radius:14px}
@media(max-width:1279px){
 .site-header{height:auto}.header-inner{display:flex;flex-wrap:wrap;gap:0 16px;padding-top:0;padding-bottom:0;min-height:76px}.header-inner>.brand{margin:19px 0}.header-controls{margin-inline-start:auto;gap:7px}.header-inner>.primary-nav{order:3;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px;width:100%;max-height:calc(100dvh - 96px);overflow-x:hidden;overflow-y:auto;padding:6px 0 18px;border-top:1px solid var(--line);white-space:normal}
 html[data-js=true] .header-inner>.primary-nav{display:none}html[data-js=true] .site-header[data-navigation-open] .primary-nav{display:grid}html[data-js=true] .navigation-toggle:not([hidden]){display:inline-flex}
 .header-inner>.primary-nav>a{padding:13px 14px;font-size:13px;line-height:1.5;border-radius:8px;white-space:normal}.header-inner>.primary-nav>a:first-child{padding-inline-start:14px}.header-inner>.primary-nav>a:hover,.header-inner>.primary-nav>a.nav-current{background:var(--control-selected);color:var(--accent)}.primary-nav .nav-current:after{display:none}
 .primary-nav>.tools-menu{grid-column:1/-1}.primary-nav>.tools-menu>summary{padding:13px 14px;font-size:13px;line-height:1.5;border-radius:8px}.primary-nav>.tools-menu>summary.nav-current{background:var(--control-selected);color:var(--accent)}
 .primary-nav .tools-submenu{position:static;width:100%;max-width:100%;max-height:none;box-shadow:none;border-radius:12px;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:4px;padding:16px}
 .discovery-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer{grid-template-columns:1fr;gap:25px}.site-footer>.footer-intro{display:flex;align-items:center;gap:25px}.site-footer .footer-intro p{margin:0;max-width:450px}
}
@media(max-width:950px){
 .tutorial-article-hero{gap:25px;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}.tutorial-article-hero h1{font-size:33px}
 .tutorial-group .tutorial-card{grid-template-columns:110px minmax(0,1fr)}.tutorial-group .tutorial-card-body{padding:16px}.tutorial-group .tutorial-card h4{font-size:17px}.tutorial-group .tutorial-card-body>p:not(.tutorial-meta){font-size:11px}.tutorial-filters{grid-template-columns:minmax(160px,1.5fr) minmax(110px,1fr) minmax(140px,1fr)}.tutorial-filters button{grid-column:3}.tutorial-filter-status{grid-row:2;grid-column:1/3;align-self:center}
 .tutorial-layout{grid-template-columns:180px minmax(0,1fr);gap:25px}.metrics>.metric{padding:20px}
}
@media(max-width:700px){
 .header-inner{min-height:72px;gap:0 9px}.header-inner>.brand{margin:18px 0;font-size:21px;gap:7px}.brand-domain{font-size:15px}.bitcoin-symbol{width:29px;height:29px;font-size:23px}.header-controls{gap:6px}.header-controls .language-pill{padding:7px 8px}.language-pill>span:not(.language-caret){max-width:74px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-controls .language-menu a>span{max-width:none}
 .header-inner>.primary-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.primary-nav .tools-submenu{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 10px;padding:13px}.primary-nav .tools-submenu>.tools-overview{margin-bottom:0}.header-inner .tools-menu-group>a{font-size:12px}
 .hero{padding-top:28px}.metrics{gap:10px;margin-bottom:24px;grid-template-columns:repeat(2,minmax(0,1fr))}.metrics>.metric,.metrics>.metric-price{padding:16px!important}.metrics>.metric:last-child{display:flex;align-items:baseline;flex-wrap:wrap;padding:13px 16px!important;gap:8px 12px;border:1px solid var(--line)}.metrics>.metric-price .price-value{flex-wrap:wrap}.metrics>.metric-price .price-value #live-price{font-size:clamp(20px,6.5vw,29px);white-space:nowrap}.metrics .band-value{font-size:17px}.metrics .band-value #band-name{min-width:0;white-space:normal}.metrics .trend-caption{margin-inline-start:auto}.metrics .trend-caption strong{white-space:nowrap}
 .metrics:has(>.metric-price-wide){grid-template-columns:minmax(0,1fr)}.metrics:has(>.metric-price-wide)>.metric:nth-child(2){display:flex;align-items:center;flex-wrap:wrap;gap:9px 14px}.metrics:has(>.metric-price-wide)>.metric:nth-child(2) .metric-label{margin:0}.metrics:has(>.metric-price-wide)>.metric:nth-child(2) .rainbow-meter{margin:0;margin-inline-start:auto}.metrics>.metric-price-wide .price-value #live-price{font-size:clamp(24px,7vw,30px)}
 .site-discovery{margin:25px 0}.discovery-grid{gap:10px}.discovery-grid>a{padding:14px;gap:9px;flex-wrap:wrap;position:relative}.discovery-icon{width:30px;height:30px}.discovery-arrow{position:absolute;inset-inline-end:13px;top:15px}.discovery-grid>a>span:nth-child(2){width:100%}.discovery-grid strong{font-size:13px}.discovery-grid strong+span{font-size:11px}.site-discovery>h2{font-size:16px}
 .site-footer{padding-top:28px}.site-footer>.footer-intro{display:block}.site-footer .footer-intro p{margin-top:12px}.site-footer .footer-directory{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px}.site-footer>.footer-bottom{flex-wrap:wrap}.footer-bottom nav{font-size:10px;gap:14px}
 .tutorial-filters{grid-template-columns:minmax(0,1fr) minmax(0,1fr);padding:15px;gap:12px}.tutorial-search-field{grid-column:1/-1}.tutorial-filters label{font-size:10px}.tutorial-filters select{font-size:12px}.tutorial-filters button{grid-column:2;grid-row:3}.tutorial-filter-status{grid-row:3;grid-column:1;line-height:1.7;font-size:10px}.tutorial-level-nav{margin-top:14px;gap:8px}.tutorial-level-nav a{font-size:11px;padding:9px 12px}
 .tutorial-group .tutorial-grid{grid-template-columns:minmax(0,1fr)}.tutorial-group .tutorial-card{grid-template-columns:100px minmax(0,1fr);min-height:175px}.tutorial-group .tutorial-card-body{padding:15px;gap:9px}.tutorial-group .tutorial-card h4{font-size:17px}.tutorial-group .tutorial-card-body>p:not(.tutorial-meta){font-size:11px}.tutorial-level-heading h2{font-size:23px}.tutorial-topics a{font-size:10px;padding:7px 10px}
 .tutorial-article-hero{display:block;margin:8px 0 26px;padding:0 0 25px}.tutorial-article-hero .tutorial-article-header{padding:15px 0 24px}.tutorial-article-hero h1{font-size:32px}.tutorial-article-hero .tutorial-illustration>img{max-height:280px}.tutorial-article-hero figcaption{font-size:11px}.tutorial-layout{grid-template-columns:minmax(0,1fr);gap:25px}
}
@media(max-width:380px){.header-inner>.brand{font-size:19px;gap:5px}.header-controls{gap:5px}.language-pill>span:not(.language-caret){max-width:55px}.header-controls .language-pill{padding:7px}.navigation-toggle,.header-controls .theme-toggle,.header-controls .search-toggle{width:31px;height:33px}.brand-domain{font-size:13px}.tutorial-group .tutorial-card{grid-template-columns:85px minmax(0,1fr)}.tutorial-group .tutorial-card-body{padding:13px}.tutorial-group .tutorial-meta{font-size:9px}}
@media(max-width:520px){.header-controls .language-pill>span:not(.language-caret){display:none}.header-controls .language-pill{gap:6px;padding:8px}.header-inner>.brand{flex-shrink:0}}
@media(max-width:350px){.header-inner>.brand .brand-domain{display:none}.header-inner{gap:0 6px}.header-controls{gap:4px}.header-controls .language-pill{padding:8px 6px}}
@media(prefers-reduced-motion:reduce){.discovery-grid>a,.tutorial-group .tutorial-card{transition:none;transform:none!important}}