:root{
  --bg:#090d12;--panel:#111821;--panel2:#151f2b;--line:#2a3542;--text:#e9eef4;
  --muted:#9aa7b4;--gold:#d4aa5d;--l0:#9b59b6;--l1:#3498db;--l2:#2ecc71;--l3:#e74c3c;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic","Noto Sans KR",sans-serif}
a{color:inherit}
button{font:inherit}
.landing{min-height:100vh;background:
radial-gradient(circle at 20% 10%,rgba(155,89,182,.12),transparent 28%),
radial-gradient(circle at 80% 80%,rgba(52,152,219,.09),transparent 30%),var(--bg)}
.home-shell{width:min(1100px,calc(100% - 32px));margin:auto;padding:8vh 0}
.eyebrow{color:var(--gold);font-weight:800;letter-spacing:.18em;font-size:.78rem}
.hero h1{font-size:clamp(2rem,5vw,4.4rem);line-height:1.02;max-width:900px;margin:.5rem 0 1rem}
.lede{max-width:760px;color:var(--muted);font-size:1.05rem;line-height:1.7}
.mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:36px}
.mode-card{min-height:170px;padding:24px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,rgba(255,255,255,.035),rgba(255,255,255,.01));text-decoration:none;display:flex;flex-direction:column;gap:10px;transition:.2s}
.mode-card:hover{transform:translateY(-3px);border-color:var(--gold)}
.mode-card strong{font-size:1.35rem}.mode-card small{color:var(--muted);line-height:1.5}.mode-code{font-weight:900;letter-spacing:.12em;font-size:.75rem}
.world .mode-code{color:var(--l2)}.graph .mode-code{color:var(--l1)}.time .mode-code{color:var(--gold)}.three .mode-code{color:var(--l0)}
.lens-strip{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}.lens-strip span{border:1px solid color-mix(in srgb,var(--c) 45%,#333);border-left:4px solid var(--c);border-radius:999px;padding:7px 11px;color:#ccd5dd;font-size:.82rem}
.topbar{position:fixed;left:12px;right:12px;top:12px;z-index:20;display:flex;gap:8px;align-items:center;pointer-events:none}
.topbar>*{pointer-events:auto}
.brand,.pill,.topbar a,.topbar button{background:rgba(9,13,18,.82);backdrop-filter:blur(9px);border:1px solid var(--line);border-radius:10px;padding:8px 11px;text-decoration:none;color:var(--text)}
.brand{font-weight:900}.spacer{flex:1}.topbar a:hover,.topbar button:hover{border-color:var(--gold)}
.world-canvas{display:block;width:100vw;height:100vh;touch-action:none;background:#0a1118}
.hud{position:fixed;left:12px;bottom:12px;z-index:20;max-width:min(520px,calc(100vw - 24px));padding:10px 13px;border:1px solid var(--line);border-radius:12px;background:rgba(9,13,18,.84);color:var(--muted);font-size:.82rem;line-height:1.55}
.prompt{position:fixed;left:50%;bottom:62px;transform:translateX(-50%);z-index:25;display:none;background:var(--gold);color:#171007;font-weight:900;border-radius:999px;padding:8px 15px}
.prompt.show{display:block}
.panel-page{min-height:100vh;padding:84px 18px 32px}.panel-wrap{width:min(1200px,100%);margin:auto}
.panel{border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden}
.panel-head{padding:18px 20px;border-bottom:1px solid var(--line)}.panel-head h1{margin:0 0 6px}.muted{color:var(--muted)}
.graph-wrap{position:relative;height:calc(100vh - 170px);min-height:500px}.graph-wrap svg{width:100%;height:100%;display:block}
.time-road{position:relative;padding:40px 22px 70px;overflow-x:auto}.road-line{height:8px;background:linear-gradient(90deg,var(--l0),var(--l1),var(--l2),var(--l3));border-radius:999px;min-width:900px;margin:110px 30px}
.time-node{position:absolute;transform:translate(-50%,-50%);width:130px;text-align:center}.time-node b{display:block;margin-top:8px}.time-dot{width:34px;height:34px;border-radius:50%;margin:auto;border:5px solid rgba(255,255,255,.18)}
.status{position:fixed;right:12px;bottom:12px;z-index:20;background:rgba(9,13,18,.84);border:1px solid var(--line);border-radius:999px;padding:7px 11px;color:var(--muted);font-size:.75rem}
@media(max-width:720px){.mode-grid{grid-template-columns:1fr}.hero h1{font-size:2.5rem}.topbar{flex-wrap:wrap}.hud{font-size:.74rem}.mode-card{min-height:140px}}
/* --- 3D prototype --- */
body.world3d-page{overflow:hidden;background:#071019}
#world3d{position:fixed;inset:0;width:100vw;height:100vh;display:block;touch-action:none}
.crosshair{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);z-index:8;width:8px;height:8px;border:1px solid rgba(255,255,255,.42);border-radius:50%;pointer-events:none}
.three-help{position:fixed;left:12px;bottom:12px;z-index:20;max-width:min(650px,calc(100vw - 24px));padding:9px 12px;border:1px solid var(--line);border-radius:11px;background:rgba(9,13,18,.78);backdrop-filter:blur(8px);color:#aeb9c3;font-size:.78rem;line-height:1.55}
.three-prompt{position:fixed;left:50%;bottom:72px;transform:translateX(-50%);z-index:21;display:none;padding:9px 15px;border-radius:999px;background:#d4aa5d;color:#171007;font-weight:900;box-shadow:0 8px 30px rgba(0,0,0,.3)}
.three-prompt.show{display:block}
.three-label{position:fixed;z-index:12;pointer-events:none;transform:translate(-50%,-100%);text-align:center;color:#fff;text-shadow:0 2px 7px #000,0 0 3px #000;font-weight:900;font-size:14px;white-space:nowrap}
.three-label small{display:block;font-weight:500;font-size:10px;color:#ced7de;margin-top:2px}
.mobile-controls{display:none;position:fixed;inset:0;z-index:16;pointer-events:none}
.mobile-controls button{pointer-events:auto;position:absolute;width:54px;height:54px;border-radius:50%;border:1px solid rgba(255,255,255,.18);background:rgba(9,13,18,.62);color:#fff;font-size:20px;backdrop-filter:blur(6px);touch-action:none}
.mobile-controls .up{left:74px;bottom:120px}.mobile-controls .down{left:74px;bottom:18px}.mobile-controls .left{left:18px;bottom:69px}.mobile-controls .right{left:130px;bottom:69px}
.mobile-controls .camL{right:82px;bottom:72px}.mobile-controls .camR{right:20px;bottom:72px}.mobile-controls .enter{right:20px;bottom:136px;width:116px;border-radius:28px;font-size:13px;font-weight:900}
@media (pointer:coarse),(max-width:850px){
  .mobile-controls{display:block}.three-help{bottom:190px;max-width:72%;font-size:.69rem}.three-prompt{bottom:205px}
}

/* --- Multiplayer / chat --- */
.netbox{position:fixed;right:12px;bottom:50px;z-index:30;width:min(340px,calc(100vw - 24px));border:1px solid var(--line);border-radius:14px;background:rgba(9,13,18,.90);backdrop-filter:blur(9px);overflow:hidden;box-shadow:0 14px 44px rgba(0,0,0,.28)}
.netbox-toggle{width:100%;display:flex;align-items:center;gap:8px;padding:9px 10px;border:0;background:transparent;color:#eef3f7;font:inherit;font-size:.78rem;text-align:left;cursor:pointer}.netbox-toggle strong{flex:1}.net-dot{width:8px;height:8px;flex:0 0 8px;border-radius:50%;background:#7f8a94}.net-dot.online{background:#2ecc71}.net-dot.connecting{background:#f1c40f}.net-dot.error{background:#e74c3c}.net-dot.replaced{background:#3498db}
.net-count{color:var(--muted);white-space:nowrap}.net-chevron{width:16px;color:#9eabb7;text-align:center;font-size:12px}.net-alert{display:none;min-width:17px;height:17px;border-radius:999px;padding:0 5px;align-items:center;justify-content:center;color:#071019;font-size:10px;font-weight:900;line-height:17px}.net-alert.show{display:inline-flex}.net-alert.presence{background:#49a7ff;box-shadow:0 0 0 2px rgba(73,167,255,.14)}.net-alert.chat{background:#f4c542;box-shadow:0 0 0 2px rgba(244,197,66,.14)}
.netbox-body{border-top:1px solid var(--line)}.netbox.collapsed .netbox-body{display:none}.netbox.collapsed{width:auto;min-width:188px}.netbox.collapsed .netbox-toggle{padding:8px 10px}
.people-list{display:flex;gap:6px;overflow-x:auto;padding:8px 9px 6px;border-bottom:1px solid rgba(255,255,255,.06);scrollbar-width:thin}.people-person{flex:0 0 auto;display:flex;align-items:center;gap:5px;border:1px solid rgba(255,255,255,.08);border-radius:999px;padding:4px 7px 4px 5px;background:rgba(255,255,255,.025);font-size:10px;white-space:nowrap}.people-person.self{border-color:rgba(212,170,93,.30)}.people-person small{color:#788895;font-size:8px;font-weight:800}.people-avatar{position:relative;width:15px;height:15px;border-radius:50%;background:var(--top,#d4aa5d);box-shadow:inset 0 -5px 0 rgba(0,0,0,.18)}.people-avatar:before{content:"";position:absolute;width:9px;height:6px;left:3px;top:-2px;border-radius:7px 7px 3px 3px;background:var(--hair,#24282d)}.people-more{flex:0 0 auto;align-self:center;color:#8896a3;font-size:10px;padding:0 5px}
.net-profile{display:flex;gap:6px;padding:7px 9px;border-bottom:1px solid rgba(255,255,255,.06)}.net-name{flex:1;min-width:0;background:#111821;color:#eef;border:1px solid #2a3542;border-radius:7px;padding:5px 7px}.net-profile button{border:1px solid #33404e;border-radius:7px;background:#182330;color:#dce5ec;padding:0 9px;font-size:10px;font-weight:800;cursor:pointer}
.chat-log{height:142px;overflow:auto;padding:9px 10px;font-size:.76rem;line-height:1.45}.chat-line{margin-bottom:5px}.chat-line.system{color:#8795a3;font-style:italic}.chat-line b{color:#d4aa5d}.chat-form{display:flex;border-top:1px solid var(--line)}.chat-form input{flex:1;min-width:0;background:#0b1118;color:#fff;border:0;padding:9px 10px;outline:none}.chat-form button{border:0;border-left:1px solid var(--line);background:#182330;color:#fff;padding:0 13px}
@media(max-width:850px){.netbox{width:min(310px,calc(100vw - 16px));right:8px;top:118px;bottom:auto}.netbox.collapsed{width:auto;min-width:180px}.chat-log{height:88px}.hud{max-width:58%;bottom:12px}.world3d-page .netbox{top:112px;right:8px}.world3d-page .three-help{left:8px;bottom:190px;max-width:56%}}
@media(max-width:520px){.netbox{top:108px;width:calc(100vw - 16px)}.netbox.collapsed{width:auto;min-width:176px}.netbox-toggle{padding:7px 8px}.chat-log{height:72px}.chat-form input{padding:8px}.hud{display:none}.status{right:8px;bottom:8px}}

/* --- Profile / avatar entry --- */
.profile-veil{position:fixed;inset:0;z-index:200;background:rgba(4,8,12,.88);backdrop-filter:blur(12px);display:grid;place-items:center;padding:18px}
.profile-card{width:min(760px,100%);max-height:calc(100vh - 36px);overflow:auto;border:1px solid #334252;border-radius:20px;background:linear-gradient(145deg,#111923,#0b1118);box-shadow:0 30px 90px rgba(0,0,0,.55)}
.profile-title{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;padding:22px 24px;border-bottom:1px solid var(--line)}.profile-title small{color:var(--gold);font-weight:800;letter-spacing:.12em}.profile-title h2{margin:5px 0 0;font-size:1.55rem}.profile-title>span{color:var(--muted);font-size:.78rem;border:1px solid var(--line);border-radius:999px;padding:6px 9px}
.profile-grid{display:grid;grid-template-columns:210px 1fr;gap:22px;padding:22px 24px}.profile-preview{width:180px;height:210px;border:1px solid var(--line);border-radius:16px;background:#0b1118;justify-self:center}.profile-fields{display:flex;flex-direction:column;gap:15px}.profile-fields label{display:flex;flex-direction:column;gap:7px;font-weight:800;font-size:.85rem}.profile-fields input{width:100%;background:#0b1118;color:#fff;border:1px solid #344252;border-radius:10px;padding:10px 12px;font:inherit;outline:none}.profile-fields input:focus{border-color:var(--gold)}
.profile-name-actions,.profile-options{display:flex;flex-wrap:wrap;gap:7px;margin-top:7px}.profile-name-actions button,.profile-chip{border:1px solid #344252;border-radius:999px;background:#121c27;color:#dbe3ea;padding:7px 10px;font-size:.76rem;cursor:pointer}.profile-chip.selected{border-color:var(--gold);box-shadow:inset 0 0 0 1px var(--gold);color:#fff}.profile-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 24px;border-top:1px solid var(--line);color:var(--muted);font-size:.78rem}.profile-footer #enterWorld{border:0;border-radius:11px;background:var(--gold);color:#171007;font-weight:900;padding:11px 16px;cursor:pointer}
.three-player-label{position:fixed;z-index:13;pointer-events:none;transform:translate(-50%,-100%);padding:3px 7px;border-radius:999px;background:rgba(9,13,18,.68);border:1px solid rgba(255,255,255,.13);color:#eef3f7;text-shadow:0 1px 3px #000;font-size:10px;font-weight:800;white-space:nowrap}
.mobile-controls .rise{right:82px;bottom:136px;font-size:12px;font-weight:900}.mobile-controls .fall{right:20px;bottom:198px;font-size:12px;font-weight:900}
@media(max-width:620px){.profile-grid{grid-template-columns:1fr}.profile-preview{width:140px;height:165px}.profile-footer{align-items:stretch;flex-direction:column}.profile-footer #enterWorld{width:100%}.profile-title{padding:17px}.profile-grid{padding:16px}.profile-card{max-height:calc(100vh - 16px)}}

/* --- v3 actions: jump / crouch / ladder --- */
.action-controls{display:none;position:fixed;right:10px;bottom:48px;z-index:24;grid-template-columns:repeat(2,72px);gap:7px;pointer-events:none}
.action-controls button{pointer-events:auto;border:1px solid rgba(255,255,255,.16);border-radius:999px;background:rgba(9,13,18,.72);color:#eef3f7;padding:9px 8px;font-size:11px;font-weight:900;backdrop-filter:blur(7px);touch-action:none}
.action-controls button:active{background:rgba(212,170,93,.78);color:#171007}
@media (pointer:coarse),(max-width:850px){.action-controls{display:grid}.action-2d{bottom:48px;right:8px}.world3d-page .mobile-controls .enter{right:20px;bottom:208px;width:116px}.world3d-page .mobile-controls .rise{right:82px;bottom:146px;width:58px;height:48px;font-size:10px}.world3d-page .mobile-controls .fall{right:20px;bottom:146px;width:58px;height:48px;font-size:10px}.world3d-page .mobile-controls .jump{right:82px;bottom:88px;width:58px;height:48px;font-size:11px;font-weight:900}.world3d-page .mobile-controls .crouch{right:20px;bottom:88px;width:58px;height:48px;font-size:11px;font-weight:900}.world3d-page .mobile-controls .camL{right:82px;bottom:28px}.world3d-page .mobile-controls .camR{right:20px;bottom:28px}.world3d-page .three-help{bottom:266px;max-width:58%}.world3d-page .three-prompt{bottom:280px}}
@media(max-width:520px){.action-2d{bottom:42px;grid-template-columns:repeat(2,66px)}.action-controls button{font-size:10px;padding:8px 5px}}

/* --- v5 in-world content viewer / observatory / gateless gate --- */
.portal-open{overflow:hidden}
.portal-viewer{position:fixed;inset:0;z-index:500;display:none;padding:54px 18px 18px;background:rgba(3,7,12,.78);backdrop-filter:blur(9px)}
.portal-viewer.show{display:block}
.portal-shell{width:min(1180px,100%);height:calc(100vh - 72px);margin:0 auto;display:flex;flex-direction:column;border:1px solid rgba(255,255,255,.16);border-radius:16px;overflow:hidden;background:#081019;box-shadow:0 28px 90px rgba(0,0,0,.55)}
.portal-toolbar{display:flex;align-items:center;gap:10px;min-height:46px;padding:7px 10px;border-bottom:1px solid rgba(255,255,255,.10);background:#101925;color:#eef3f7}
.portal-toolbar strong{white-space:nowrap}.portal-hint{flex:1;color:#8fa0ae;font-size:11px;text-align:right}.portal-toolbar button{border:1px solid #344557;border-radius:8px;background:#172434;color:#eef3f7;padding:7px 10px;font:inherit;font-size:12px;font-weight:800;cursor:pointer}.portal-toolbar button:last-child{background:#d4aa5d;color:#171007;border-color:#d4aa5d}
 .portal-stage{position:relative;display:flex;flex:1;min-height:0;background:#fff}
#portalFrame{width:100%;height:100%;min-height:0;border:0;background:#fff;flex:1;-webkit-overflow-scrolling:touch}
.portal-mobile-note{display:none;position:absolute;left:8px;right:8px;bottom:8px;padding:8px 10px;border-radius:9px;background:rgba(8,16,25,.86);color:#dce6ee;font-size:11px;line-height:1.45;pointer-events:none}
.prompt,.three-prompt{cursor:pointer}
.action-controls .view-toggle{grid-column:1/-1;background:rgba(155,89,182,.70)}
.mobile-controls .view3d{right:144px;bottom:208px;width:72px;border-radius:28px;font-size:11px;font-weight:900;background:rgba(155,89,182,.72)}
@media(max-width:850px){.portal-viewer{padding:0;background:#081019}.portal-shell{width:100%;height:100vh;height:100dvh;max-height:-webkit-fill-available;border:0;border-radius:0}.portal-toolbar{gap:5px;min-height:48px;padding:6px;flex-wrap:wrap}.portal-hint{display:none}.portal-toolbar strong{font-size:12px;overflow:hidden;text-overflow:ellipsis;max-width:38vw}.portal-toolbar button{padding:7px 8px;font-size:11px}.portal-stage{min-height:0}.portal-mobile-note{display:block}}
@media(max-width:520px){.mobile-controls .view3d{right:144px;bottom:208px;width:68px}.portal-toolbar strong{max-width:42vw}}

.gateless-label{border-color:rgba(212,170,93,.55);background:rgba(16,20,24,.88);color:#f0d49a}.gateless-label small{color:#d4aa5d}

/* --- v6 mobile declutter / AGORA --- */
.mobile-ui-toggle{display:none;position:fixed;right:8px;top:8px;z-index:90;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(9,13,18,.84);color:#f3f6f8;padding:7px 10px;font-size:11px;font-weight:900;backdrop-filter:blur(8px);box-shadow:0 4px 18px rgba(0,0,0,.22)}
@media (pointer:coarse),(max-width:850px){
 .mobile-ui-toggle{display:block}
 body.ui-minimal .topbar,body.ui-minimal .hud,body.ui-minimal .three-help,body.ui-minimal .netbox,body.ui-minimal .status{display:none!important}
 body.ui-minimal .three-prompt{bottom:198px}
 body.ui-minimal .prompt{bottom:126px}
 .topbar{padding-right:54px}
}
@media(max-width:520px){.mobile-ui-toggle{padding:6px 9px;font-size:10px}}

/* --- v7 top-left view switch --- */
.view-badge{cursor:pointer;font-weight:850}.view-badge:hover{border-color:var(--gold);color:#fff}

/* --- v9 Sheet-driven building exhibits + L0~L6 route navigator --- */
.exhibit-open{overflow:hidden}
.exhibit-viewer{position:fixed;inset:0;z-index:540;display:none;padding:44px 16px 16px;background:rgba(3,7,12,.78);backdrop-filter:blur(10px)}
.exhibit-viewer.show{display:block}
.exhibit-shell{width:min(980px,100%);height:calc(100vh - 60px);margin:auto;display:flex;flex-direction:column;overflow:hidden;border:1px solid rgba(255,255,255,.14);border-radius:18px;background:#0b121a;box-shadow:0 30px 100px rgba(0,0,0,.62)}
.exhibit-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border-bottom:1px solid var(--line);background:#111a24}.exhibit-toolbar>div{min-width:0;display:flex;flex-direction:column}.exhibit-toolbar small{font-size:10px;color:#8fa0ae}.exhibit-toolbar strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px}.exhibit-toolbar nav{display:flex;gap:6px}.exhibit-toolbar button{border:1px solid #344557;border-radius:8px;background:#172434;color:#e8eef4;padding:7px 9px;font-size:11px;font-weight:800;cursor:pointer}.exhibit-toolbar button.active{border-color:var(--gold);color:#fff}.exhibit-toolbar #exhibitClose{background:var(--gold);border-color:var(--gold);color:#171007}
.exhibit-body{flex:1;min-height:0;overflow:auto;padding:18px}.exhibit-intro h2,.exhibit-detail h2,.route-detail h2{margin:0 0 6px}.exhibit-intro p{margin:.3rem 0 1.1rem}.exhibit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.exhibit-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.exhibit-card{min-height:86px;text-align:left;border:1px solid #2d3a47;border-radius:12px;background:#111a24;color:#edf3f7;padding:12px;cursor:pointer}.exhibit-card:hover{border-color:var(--gold);transform:translateY(-1px)}.exhibit-card span{display:block;font-weight:900;line-height:1.35}.exhibit-card small{display:block;margin-top:7px;color:#8fa0ae}.exhibit-breadcrumb{display:flex;gap:7px;align-items:center;color:#8fa0ae;font-size:11px}.exhibit-breadcrumb button{border:0;background:none;color:#d4aa5d;padding:0;cursor:pointer}.exhibit-description,.exhibit-memo{margin:14px 0;padding:13px;border:1px solid #273541;border-radius:10px;line-height:1.7;white-space:normal}.exhibit-description{background:#101820;color:#dfe7ed}.exhibit-memo{background:#0d151d;color:#aebac4}.exhibit-openlink,.route-move{border:0;border-radius:10px;background:#d4aa5d;color:#171007;font-weight:900;padding:10px 13px;cursor:pointer}.exhibit-openlink.secondary{margin-left:7px;background:#31516b;color:#eef}.exhibit-detail h3,.route-detail h3{margin:20px 0 8px;font-size:13px;color:#cbd6de}.exhibit-loading,.exhibit-error{padding:30px;text-align:center;color:#aebac4}.exhibit-error{color:#ff9b91}
.route-levels{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:14px}.route-levels button{border:1px solid #33404c;border-radius:999px;background:#121d27;color:#b9c5ce;padding:6px 9px;cursor:pointer}.route-levels button.active{border-color:#d4aa5d;color:#fff}.route-columns{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}.route-list{display:flex;flex-direction:column;gap:6px}.route-list button,.route-rootlist button{border:1px solid #2d3a47;border-radius:9px;background:#111a24;color:#e7edf2;padding:8px 10px;text-align:left;cursor:pointer}.route-list button small{display:inline-block;min-width:28px;color:#d4aa5d;font-weight:900}.route-rootlist{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}.route-rootlist button{font-size:11px}.route-future{margin:10px 0;padding:10px;border:1px dashed #55616b;border-radius:9px;color:#98a7b3;font-size:12px;line-height:1.5}.route-detail details{margin-top:18px;color:#aab7c1}
@media(max-width:760px){.exhibit-viewer{padding:0}.exhibit-shell{width:100%;height:100vh;height:100dvh;border:0;border-radius:0}.exhibit-toolbar{align-items:flex-start;flex-direction:column}.exhibit-toolbar nav{width:100%;display:grid;grid-template-columns:1fr 1fr auto}.exhibit-body{padding:12px}.exhibit-grid,.exhibit-grid.compact{grid-template-columns:1fr}.route-columns{grid-template-columns:1fr}.exhibit-card{min-height:68px}}

/* --- v9.2 xref bridge --- */
.xref-note{margin:10px 0 14px;padding:10px 12px;border-left:3px solid #d4aa5d;background:#141d25;color:#d8e0e6;font-size:12px;line-height:1.55}.xref-box{margin-top:18px;padding:12px;border:1px solid #2b3a47;border-radius:10px;background:#0d151d}.xref-box h3{margin-top:0}.xref-box .route-rootlist button small{display:inline;margin-left:6px;color:#7f93a3}