/* Shared header contract: preserve the INDEX geometry on every public route. */
.site-header{box-sizing:border-box;width:calc(100% - 112px);max-width:1280px;margin-inline:auto;height:88px;padding:0;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;z-index:1100;background:#fff;border:0;font-family:'DM Sans','Noto Sans JP','Noto Sans KR','Yu Gothic','Malgun Gothic',system-ui,sans-serif}
.site-header .brand{display:block;width:175px;flex-shrink:0;line-height:0;text-decoration:none}
.site-header .brand-logo{display:block;width:175px;height:38px;stroke:none}
.site-header .main-nav{display:flex;align-items:center;gap:clamp(14px,1.8vw,25px);margin:auto}
.site-header .nav-link{position:relative;font-size:12px;font-weight:500;line-height:1.5;padding:9px 0;white-space:nowrap;text-decoration:none;color:var(--ink)}
.site-header .nav-link:after{content:none}
.site-header .nav-link[aria-current=page]:after{content:'';position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--seoul-blue)}
.site-header .nav-link:hover{color:var(--seoul-blue)}
.site-header .header-actions{display:flex;align-items:center;gap:8px;margin:0}
.site-header .header-icon{box-sizing:border-box;display:grid;place-items:center;position:relative;width:44px;height:44px;flex:0 0 44px;min-height:0;padding:0;margin:0;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);cursor:pointer;text-decoration:none}
.site-header .header-icon svg{width:19px;height:19px;stroke-width:1.65}
.site-header .header-icon:hover{background:var(--seoul-blue-soft)}
.site-header .header-icon[aria-pressed=true]{background:var(--seoul-blue);border-color:var(--seoul-blue);color:#fff}
.site-header .saved-indicator{width:6px;height:6px;border-radius:50%;background:var(--seoul-blue);position:absolute;right:9px;top:8px;box-shadow:0 0 0 2px #fff}
.site-header .trip-button{box-sizing:border-box;display:flex;align-items:center;gap:10px;height:44px;min-height:0;margin:0 0 0 6px;padding:0 18px;border:0;border-radius:999px;font-family:inherit;font-weight:650;font-size:12px;line-height:1.5;white-space:nowrap;background:var(--seoul-blue);color:#fff;text-decoration:none;cursor:pointer}
.site-header .trip-button:hover{background:var(--seoul-blue-dark);color:#fff;transform:translateY(-1px)}
.site-header .trip-button svg{display:block;width:17px;height:17px}
.site-header .trip-button #header-trip-count{border:1px solid #ffffff50;border-radius:999px;min-width:20px;font-size:10px;text-align:center}
.site-header .trip-button>span:last-child{font-size:17px;margin-left:7px}
.site-header .mobile-menu-toggle{display:none}
.site-header .language-picker{position:relative;width:44px;height:44px;flex:0 0 44px;z-index:5}
.site-header #language-toggle[aria-expanded=true]{border-color:var(--seoul-blue);background:var(--seoul-blue-soft);color:var(--seoul-blue)}
.site-header #language-options{position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%);display:grid;grid-template-columns:repeat(3,44px);gap:8px;width:max-content;margin:0;padding:0;border:0;background:transparent;box-shadow:none}
.site-header #language-options[hidden]{display:none}
.site-header #language-options button{display:grid;place-items:center;width:44px;height:44px;min-width:0;margin:0;padding:0;border:1px solid #dce2ec;border-radius:50%;background:#fff;color:var(--ink);font:500 12px/1 'DM Sans',system-ui,sans-serif;white-space:nowrap;cursor:pointer;animation:header-language-in 180ms ease-out both}
.site-header #language-options button:nth-child(2){animation-delay:60ms}.site-header #language-options button:nth-child(3){animation-delay:120ms}
.site-header #language-options button:hover{background:var(--paper);border-color:var(--muted)}
.site-header #language-options [aria-selected=true]{background:var(--seoul-blue);border-color:var(--seoul-blue);color:#fff}
.site-header :focus-visible{outline:2px solid var(--seoul-blue);outline-offset:3px}
@keyframes header-language-in{from{opacity:0;transform:translateY(-6px) scale(.7)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(min-width:1051px) and (max-width:1200px){.site-header{gap:16px}.site-header .brand,.site-header .brand-logo{width:150px}.site-header .main-nav{gap:14px}.site-header .header-actions{gap:6px}.site-header .trip-button{padding-inline:11px;margin-left:0;gap:6px}}
@media(max-width:1100px){.site-header{width:calc(100% - 64px)}.site-header .nav-link{font-size:11px}}
@media(max-width:1050px){.site-header .main-nav,.site-header .header-actions>.trip-button{display:none}.site-header .mobile-menu-toggle{display:grid}.site-header .header-actions{margin-left:auto}}
@media(max-width:850px){.site-header{width:calc(100% - 48px);height:76px}.site-header .brand,.site-header .brand-logo{width:157px}.site-header .language-picker{display:none}}
@media(max-width:640px){.site-header{width:calc(100% - 40px);height:72px;gap:12px}.site-header .brand,.site-header .brand-logo{width:144px;height:32px}.site-header .header-actions{gap:6px}}
@media(max-width:370px){.site-header{width:calc(100% - 32px);gap:8px}.site-header .brand,.site-header .brand-logo{width:118px}.site-header .header-actions{gap:4px}.site-header #header-saved{display:none}}
@media(prefers-reduced-motion:reduce){.site-header #language-options button{animation:none}.site-header *{transition:none}}

/* JOIN SHEET mobile drawer: four utilities, quiet navigation, one rounded action. */
#mobile-menu-dialog{box-sizing:border-box;position:fixed;inset:0 auto 0 0;width:min(288px,calc(100vw - 56px));max-width:none;height:100dvh;max-height:100dvh;margin:0;padding:24px;border:0;border-right:1px solid #c8d2cc;border-radius:0;background:#f7f9f8;color:#17231e;box-shadow:none;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;font:400 16px/1.5 Manrope,'Noto Sans KR','Noto Sans JP',sans-serif;letter-spacing:normal;text-align:left}
#mobile-menu-dialog[open]{display:block;animation:mobile-drawer-in 220ms cubic-bezier(.16,1,.3,1)}
#mobile-menu-dialog::backdrop{background:rgb(0 0 0 / .6);backdrop-filter:none}
#mobile-menu-dialog *{box-sizing:border-box}
#mobile-menu-dialog [hidden]{display:none!important}
#mobile-menu-dialog .mobile-menu-utilities{display:grid;grid-template-columns:repeat(4,44px);justify-content:center;gap:12px;margin:0 0 28px;padding:0}
#mobile-menu-dialog .menu-utility{position:relative;display:grid;place-items:center;min-width:0;min-height:44px;width:44px;height:44px;margin:0;padding:0;border:0;border-radius:50%;background:transparent;color:#17231e;line-height:1;text-decoration:none;cursor:pointer}
#mobile-menu-dialog .menu-utility:hover,#mobile-menu-dialog .menu-utility[aria-expanded=true]{background:#e5ebe7}
#mobile-menu-dialog .menu-utility[aria-pressed=true]{background:#e5ebe7;color:var(--seoul-blue)}
#mobile-menu-dialog .menu-utility svg{display:block;width:20px;height:20px;stroke-width:1.65}
#mobile-menu-dialog .menu-home img{display:block;width:32px;height:32px}
#mobile-menu-dialog .language-picker{display:contents}
#mobile-menu-dialog #menu-language-toggle{grid-column:3;grid-row:1}
#mobile-menu-dialog #menu-saved{grid-column:4;grid-row:1}
#mobile-menu-dialog .saved-indicator{position:absolute;top:8px;right:9px;width:6px;height:6px;border-radius:50%;background:var(--seoul-blue);box-shadow:0 0 0 2px #f7f9f8}
#mobile-menu-dialog .menu-language-options{position:static;display:grid;grid-column:2/-1;grid-row:2;grid-template-columns:repeat(3,44px);gap:12px;width:auto;margin:0;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none}
#mobile-menu-dialog .menu-language-options button{display:grid;place-items:center;width:44px;height:44px;min-height:0;margin:0;padding:0;border:1px solid #c8d2cc;border-radius:50%;background:#edf1ef;color:#17231e;font:500 10px/1 Manrope,sans-serif;white-space:nowrap;cursor:pointer;animation:header-language-in 180ms ease-out both}
#mobile-menu-dialog .menu-language-options button:nth-child(2){animation-delay:60ms}
#mobile-menu-dialog .menu-language-options button:nth-child(3){animation-delay:120ms}
#mobile-menu-dialog .menu-language-options button:hover{background:#e5ebe7}
#mobile-menu-dialog .menu-language-options [aria-selected=true]{background:var(--seoul-blue);border-color:transparent;color:#fff}
#mobile-menu-dialog .mobile-menu-nav{display:grid;gap:0;width:100%;max-height:none;margin:0;padding:0;overflow:visible}
#mobile-menu-dialog .mobile-menu-nav>a{display:flex;align-items:center;justify-content:flex-start;min-height:44px;margin:0;padding:8px 0;border:0;background:transparent;color:#57665e;font:450 16px/24px Manrope,'Noto Sans KR','Noto Sans JP',sans-serif;letter-spacing:-.5px;text-decoration:none;white-space:normal}
#mobile-menu-dialog:lang(ko) .mobile-menu-nav>a,#mobile-menu-dialog:lang(ja) .mobile-menu-nav>a{font-size:15px}
#mobile-menu-dialog .mobile-menu-nav>a:hover,#mobile-menu-dialog .mobile-menu-nav>a[aria-current=page]{color:#17231e}
#mobile-menu-dialog .mobile-menu-nav>a:after{content:none}
#mobile-menu-dialog .mobile-menu-nav>a svg{display:none}
#mobile-menu-dialog .menu-trip-button{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;height:auto;min-height:44px;margin:28px 0 0;padding:12px 18px;border:0;border-radius:28px;background:#17231e;color:#f7f9f8;font:600 14px/1.5 Manrope,'Noto Sans KR','Noto Sans JP',sans-serif;letter-spacing:normal;text-decoration:none;cursor:pointer}
#mobile-menu-dialog .menu-trip-button:hover{background:#2c3c33}
#mobile-menu-dialog .menu-trip-button>span:last-child{font:400 24px/20px Manrope,sans-serif}
#mobile-menu-dialog :is(a,button):focus-visible{outline:2px solid var(--seoul-blue);outline-offset:3px}
html.mobile-menu-open,html.mobile-menu-open body{overflow:hidden}
@keyframes mobile-drawer-in{from{transform:translateX(-100%)}to{transform:translateX(0)}}
@media(max-width:1050px){
  .site-header .header-actions>.login-button,.site-header .header-actions>.language-picker,.site-header .header-actions>#header-saved{display:none}
  .site-header .mobile-menu-toggle{border:0;background:transparent;border-radius:0}
  .site-header .mobile-menu-toggle:hover{background:transparent;color:var(--seoul-blue)}
  .site-header .mobile-menu-toggle svg{width:16px;height:16px;stroke-width:2}
}
@media(prefers-reduced-motion:reduce){#mobile-menu-dialog[open],#mobile-menu-dialog .menu-language-options button{animation:none}}

/* The same sticky shell on INDEX, directories and detail pages. */
html{scroll-padding-top:104px}
.site-header{position:sticky;top:0;isolation:isolate}
.site-header::before{content:'';position:absolute;z-index:-1;inset:0;background:var(--bg,#f7f9f8);box-shadow:0 0 0 100vmax var(--bg,#f7f9f8);clip-path:inset(0 -100vmax);border-bottom:1px solid var(--line,#c8d2cc);pointer-events:none}
body[data-page=list] .catalog-filters{scroll-margin-top:104px}
@media(max-width:800px){html{scroll-padding-top:80px}body[data-page=list] .catalog-filters{scroll-margin-top:80px}}