/* Museum layer over the open-source Galaxy Explorer scene. */
#title,#credits,#beacons,#galaxystrip,#skylabels,#audio,#msg,#skyback,#solarback,#solarlabels,#topbar{display:none!important}
body{font-family:"Songti SC","STSong","Noto Serif SC",Georgia,serif;color:#f5f1e8}
button,input{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid #efc784;outline-offset:3px}
.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}
#museum-brand{position:fixed;z-index:20;top:clamp(19px,3.2vh,38px);left:clamp(20px,3.2vw,54px);text-shadow:0 2px 22px #000;pointer-events:none}
#museum-brand strong{display:inline-block;font-size:clamp(17px,1.6vw,24px);font-weight:500;letter-spacing:.19em}
#museum-brand small{display:block;margin:6px 0 0 23px;color:#9aafd1;font:9px/1.4 system-ui,sans-serif;letter-spacing:.26em}
#museum-brand .brand-star{display:inline-block;color:#f4cf8f;text-shadow:0 0 14px #eec682;margin-right:7px}
#museum-kicker{position:fixed;z-index:20;left:50%;top:clamp(28px,3.8vh,46px);transform:translateX(-50%);white-space:nowrap;color:#e4cfaa;text-shadow:0 2px 12px #000;font:11px/1.4 system-ui,sans-serif;letter-spacing:.24em;pointer-events:none}
#museum-links{position:fixed;z-index:21;right:clamp(17px,3vw,48px);top:clamp(18px,3vh,36px);display:flex;align-items:center;gap:8px;font:11px/1.3 system-ui,sans-serif;letter-spacing:.1em}
#museum-links a,#museum-links button{display:inline-flex;align-items:center;justify-content:center;height:37px;padding:0 14px;border:1px solid rgba(203,220,243,.36);border-radius:24px;color:#e8efff;background:rgba(4,12,29,.62);backdrop-filter:blur(9px);text-decoration:none;cursor:pointer}
#museum-links a:hover,#museum-links button:hover{border-color:#e8c88e;color:#ffdfac}
#museum-hint{position:fixed;z-index:20;bottom:clamp(20px,3vh,37px);left:50%;transform:translateX(-50%);white-space:nowrap;color:#c0cee7;text-shadow:0 2px 10px #000;font:11px/1.4 system-ui,sans-serif;letter-spacing:.16em;pointer-events:none}

#museum-photo-viewer{position:fixed;inset:0;z-index:90;display:none;isolation:isolate}
#museum-photo-viewer.open{display:block}
#museum-photo-viewer .photo-scrim{position:absolute;inset:0;background:rgba(2,7,19,.85);backdrop-filter:blur(11px)}
.photo-shell{position:absolute;inset:clamp(12px,3vh,36px) clamp(12px,3vw,48px);display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,.55fr);grid-template-rows:64px minmax(0,1fr);gap:0 30px;max-width:1800px;margin:auto;background:linear-gradient(130deg,rgba(8,21,44,.98),rgba(2,10,25,.97));border:1px solid rgba(227,190,130,.28);box-shadow:0 30px 100px #000a}
.photo-top{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;padding:0 23px 0 30px;border-bottom:1px solid rgba(205,188,159,.18)}
.photo-count{color:#e0c38e;font:10px system-ui,sans-serif;letter-spacing:.24em}
#photo-close,#index-close{border:1px solid rgba(219,226,239,.42);border-radius:50%;background:rgba(13,27,48,.9);color:#fff;width:39px;height:39px;font:27px/1 system-ui,sans-serif;cursor:pointer}
#photo-close:hover,#index-close:hover{border-color:#e0c38e;color:#e0c38e}
.photo-stage{position:relative;display:grid;place-items:center;overflow:hidden;min-height:0;margin:20px 0 20px 20px;background:radial-gradient(ellipse 65% 58% at 50% 46%,rgba(38,65,91,.36),rgba(7,17,35,.35) 74%,transparent 100%);border:1px solid rgba(173,196,217,.09)}
#artifact-photo{display:block;width:100%;height:100%;min-height:0;object-fit:contain;filter:drop-shadow(0 20px 30px #0008)}
#artifact-photo[hidden],#photo-empty[hidden]{display:none}
#photo-empty{text-align:center;max-width:340px;padding:28px;color:#c7d1e5}
#photo-empty span{display:block;font-size:52px;color:#d7ba7e;opacity:.65;margin-bottom:20px}
#photo-empty strong{display:block;font-size:23px;font-weight:400;line-height:1.4}
#photo-empty p{font:12px/1.8 system-ui,sans-serif;color:#94a6c3;margin-top:12px}
.photo-information{align-self:center;min-width:0;max-height:100%;overflow:auto;padding:40px 44px 40px 3px;user-select:text}
.photo-id{font:10px system-ui,sans-serif;letter-spacing:.22em;color:#d4ae77}
.photo-title{font-size:clamp(29px,3vw,50px);font-weight:400;line-height:1.35;letter-spacing:.07em;margin:20px 0 18px;color:#f4e7cd}
.photo-meta{font-size:14px;line-height:1.8;color:#aebdd4;letter-spacing:.1em;margin:0 0 26px}
.photo-status{display:inline-block;margin:0 0 23px;padding:7px 14px;border:1px solid rgba(221,188,127,.45);border-radius:24px;color:#e6c78b;font:11px system-ui,sans-serif;letter-spacing:.12em}
.photo-source{font:12px/1.85 system-ui,sans-serif;color:#9cacc4;padding-top:20px;border-top:1px solid rgba(195,207,225,.17)}
.photo-actions{display:flex;gap:10px;margin-top:32px}
.photo-actions button{padding:10px 14px;border:1px solid rgba(211,223,240,.32);background:transparent;color:#d6e2f7;border-radius:4px;cursor:pointer;font:11px system-ui,sans-serif;letter-spacing:.08em}
.photo-actions button:hover{border-color:#ddb77b;color:#f7dfb6}

#museum-index{position:fixed;z-index:95;right:0;top:0;bottom:0;width:min(435px,100vw);display:none;flex-direction:column;background:#06142bf5;backdrop-filter:blur(14px);border-left:1px solid rgba(220,189,133,.35);box-shadow:-18px 0 60px #0007;padding:28px 24px 22px;color:#f3e8d5}
#museum-index.open{display:flex}
.index-head{display:flex;justify-content:space-between;align-items:start;gap:15px}
.index-head small{font:9px system-ui,sans-serif;letter-spacing:.22em;color:#b89c76}
.index-head h2{font-size:31px;font-weight:400;letter-spacing:.15em;margin:10px 0 18px}
.index-search{display:block;margin:0 0 16px}
.index-search input{width:100%;height:42px;background:#12223d;border:1px solid #40516d;border-radius:3px;color:#f6f1e7;padding:0 13px;font:13px system-ui,sans-serif}
.index-search input::placeholder{color:#9aabc6}
#index-list{overflow:auto;flex:1;min-height:0;scrollbar-color:#7385a2 #10213b}
.index-item{display:flex;align-items:center;gap:11px;width:100%;padding:12px 5px;min-height:52px;text-align:left;background:transparent;border:0;border-bottom:1px solid rgba(194,207,224,.13);color:#f0e9df;cursor:pointer}
.index-item[hidden]{display:none}
.index-item:hover{background:rgba(221,190,133,.09)}
.index-no{width:27px;flex:none;font:10px system-ui,sans-serif;color:#d2af7d}
.index-item strong{font-size:15px;font-weight:400;line-height:1.35;flex:1}
.index-item small{font:9px system-ui,sans-serif;color:#9cafc7;white-space:nowrap}
.index-foot{font:10px/1.7 system-ui,sans-serif;color:#9fb0c8;margin:14px 0 0}
.index-foot a{color:#d9ba83}

@media(max-width:1040px){#museum-kicker{top:78px}.photo-shell{grid-template-columns:minmax(0,1fr) minmax(260px,.52fr);gap:0 16px}.photo-information{padding-right:20px}.photo-title{font-size:32px}}
@media(max-width:700px){#museum-brand{top:16px;left:16px}#museum-brand strong{font-size:15px}#museum-brand small{font-size:7px;margin-left:21px}#museum-links{top:67px;right:14px}#museum-links a,#museum-links button{height:32px;padding:0 10px;font-size:9px}#museum-kicker{top:117px;left:16px;transform:none;font-size:9px;letter-spacing:.1em}#museum-hint{bottom:17px;font-size:9px;letter-spacing:.06em}.photo-shell{inset:0;display:flex;flex-direction:column;gap:0}.photo-top{flex:none;height:57px;padding:0 15px}.photo-stage{flex:1;min-height:0;margin:0 10px}.photo-information{flex:none;align-self:stretch;padding:17px 19px 23px;max-height:43dvh}.photo-title{font-size:24px;margin:7px 0}.photo-meta{font-size:11px;margin-bottom:8px}.photo-status{margin-bottom:8px;padding:5px 10px;font-size:9px}.photo-source{padding-top:9px;margin:0;font-size:10px}.photo-actions{margin-top:13px}.photo-actions button{padding:7px 11px}#museum-index{padding:19px 16px}}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}