@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Cormorant+Garamond:wght@400;500;600&display=swap');
:root{color-scheme:dark;--bg:#12120f;--panel:#1c1b17;--line:#454038;--gold:#d5b27a;--ink:#f5efe4;--muted:#b3a99a}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'DM Sans',sans-serif;line-height:1.6}header{padding:22px max(5%,calc((100vw - 1160px)/2));display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid var(--line)}a{color:var(--gold);text-decoration:none}header a:first-child{font-weight:700;letter-spacing:.12em;color:var(--ink)}nav{display:flex;gap:18px;flex-wrap:wrap;font-size:13px}.shell{max-width:1060px;margin:auto;padding:52px 22px 90px}.eyebrow{color:var(--gold);font-size:12px;letter-spacing:.2em;text-transform:uppercase}h1,h2,h3{font-family:'Cormorant Garamond',serif;font-weight:500;line-height:1.08}h1{font-size:clamp(45px,6vw,80px);margin:12px 0 16px}h2{font-size:34px;margin:0 0 20px}h3{font-size:26px;margin:0 0 10px}.lead{font-size:18px;color:var(--muted);max-width:760px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin-top:28px}.panel{padding:27px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.panel.wide{grid-column:1/-1}.panel p,.muted{color:var(--muted)}label{display:block;font-size:13px;margin:15px 0 6px}input,textarea,select{display:block;width:100%;background:#11110f;color:var(--ink);border:1px solid #61594d;border-radius:4px;padding:13px;font:inherit}textarea{min-height:120px;resize:vertical}input[type=checkbox]{width:auto;display:inline-block;margin-right:8px}button,.btn{background:var(--gold);color:#15110d;border:0;padding:12px 18px;font-weight:700;cursor:pointer;border-radius:3px;font:600 14px 'DM Sans',sans-serif}button:disabled{opacity:.45;cursor:not-allowed}.secondary{background:transparent;color:var(--gold);border:1px solid var(--gold)}.row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.notice{padding:14px;border-left:3px solid var(--gold);background:#262218;color:var(--ink);margin:22px 0}.status{color:var(--gold);font-size:13px}.list{display:grid;gap:10px;margin-top:14px}.item{padding:15px;border:1px solid var(--line);border-radius:5px}.item p{margin:6px 0;color:var(--muted);font-size:13px}.item button{margin:5px 6px 0 0;padding:8px 10px;font-size:12px}.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.tabs button{background:#25221c;color:var(--ink);border:1px solid var(--line)}.tabs button.active{border-color:var(--gold);color:var(--gold)}.hidden{display:none!important}small{color:var(--muted)}footer{padding:30px;text-align:center;border-top:1px solid var(--line);color:var(--muted);font-size:12px}@media(max-width:600px){header{padding:18px;align-items:start;flex-direction:column}.shell{padding:35px 16px}.panel{padding:20px}}

/* MESSAGE TO 3026 — Museum Edition V05 */
:root{--bg:#10100e;--panel:#1a1915;--line:#403b32;--gold:#c9a66c;--ink:#f5f0e5;--muted:#b8ac99}
html{scroll-behavior:smooth}body{background:radial-gradient(ellipse at 78% 0%,rgba(134,107,62,.14),transparent 44%),#10100e;min-height:100vh}
header{background:rgba(14,14,12,.94);position:sticky;top:0;z-index:10;backdrop-filter:blur(20px);border-color:#302c25}
header>a:first-child{font-size:13px;letter-spacing:.16em}nav a{transition:color .2s}nav a:hover{color:#fff}
.shell{max-width:1200px;padding-top:70px}.eyebrow{font-size:11px;letter-spacing:.28em;font-weight:700}
h1{font-size:clamp(52px,7vw,105px);letter-spacing:-.035em;max-width:1000px;line-height:.98;margin:24px 0 30px}
h2{font-size:clamp(30px,3vw,43px)}.lead{font-size:clamp(17px,2vw,22px);line-height:1.7;max-width:750px}
.panel{background:linear-gradient(160deg,rgba(255,255,255,.018),transparent 60%),#1b1a16;border:1px solid #494236;border-radius:3px;padding:clamp(22px,3vw,38px);box-shadow:0 12px 40px rgba(0,0,0,.12)}
.grid{gap:20px}.notice{background:linear-gradient(90deg,#29251b,#1c1b17);border-left:2px solid var(--gold);padding:19px 22px;line-height:1.65}
input,textarea,select{border:1px solid #61584a;border-radius:2px;background:#11110f;transition:border-color .2s,box-shadow .2s}
input:focus,textarea:focus,select:focus{outline:0;border-color:#d4b780;box-shadow:0 0 0 3px rgba(201,166,108,.12)}
button,.btn{border-radius:2px;min-height:43px;transition:transform .2s,background .2s}button:hover,.btn:hover{transform:translateY(-1px);background:#e2c58d;color:#16120c}.secondary:hover{background:#322b20;color:#fff}
.item{padding:20px;border-radius:2px;background:rgba(0,0,0,.16);border-color:#3f392e}.item b{letter-spacing:.02em}.item p{font-size:14px;line-height:1.7}
.item .status{display:inline-block;border:1px solid #675337;padding:2px 9px;border-radius:20px;font-size:11px;margin-left:5px}
.item button{margin-top:12px}.panel.wide{grid-column:1/-1}
footer{border-color:#39342b;padding:42px 20px}.museum-ribbon{display:flex;gap:16px;align-items:center;margin:28px 0 10px;color:var(--gold);letter-spacing:.2em;font-size:10px;text-transform:uppercase}.museum-ribbon:after{content:'';height:1px;background:#4c4131;flex:1}
.museum-hero{position:relative;overflow:hidden;min-height:350px;padding:70px clamp(25px,6vw,75px);border:1px solid #53452f;background:linear-gradient(90deg,rgba(11,11,9,.93) 0%,rgba(12,12,10,.8) 50%,rgba(12,12,10,.4)),url('installation-hero.webp') center/cover;margin-bottom:28px}
.museum-hero h1{font-size:clamp(54px,7vw,104px);margin:20px 0}.museum-hero p{max-width:650px;color:#e3d5bc;font-size:18px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#484032;border:1px solid #484032;margin:30px 0}.steps>div{background:#1b1a16;padding:24px}.steps strong{display:block;color:var(--gold);font-size:12px;letter-spacing:.12em;margin-bottom:10px}.steps span{color:#d7cdbb;font-size:14px}
.museum-image{width:100%;height:240px;object-fit:cover;border:1px solid #4a4030;margin:16px 0}
.staff-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:20px 0}.staff-toolbar input{max-width:340px}.staff-toolbar select{max-width:210px}
@media(max-width:700px){header{position:relative}.steps{grid-template-columns:1fr}.museum-hero{min-height:290px;padding:35px 24px}.shell{padding-top:40px}.grid{grid-template-columns:1fr}.staff-toolbar input,.staff-toolbar select{max-width:none}}

/* V05.1 — account continuity */
.account-settings{margin-top:28px;padding-top:20px;border-top:1px solid rgba(207,176,115,.28)}.account-settings h3{font-family:Georgia,serif;font-size:1.4rem;font-weight:400}.account-settings p{color:#c8b99b;line-height:1.7}.login-divider{margin:24px 0 12px;color:#c7a968;font-size:11px;letter-spacing:.16em}.account-settings form{max-width:520px}.account-settings input{width:100%}

/* V06 PRE-FINAL — visitor experience / archival identity */
:root{--bg:#0d0d0b;--panel:#191813;--line:#4a4031;--gold:#d8b979;--ink:#f6f1e7;--muted:#c5b79d}
body{background:radial-gradient(ellipse at 82% 5%,rgba(159,117,57,.13),transparent 42%),radial-gradient(ellipse at 4% 70%,rgba(103,73,34,.06),transparent 48%),#0d0d0b}
header{padding-top:21px;padding-bottom:21px}header>a:first-child{font-size:12px;letter-spacing:.21em}
.shell{max-width:1180px;padding-top:56px}.museum-ribbon{letter-spacing:.19em;margin-top:10px}
h1{font-size:clamp(53px,7vw,104px);line-height:1.02;letter-spacing:-.035em;margin-bottom:28px}
.panel{position:relative;background:linear-gradient(145deg,rgba(210,176,115,.055),transparent 40%),#1a1915;border-color:#4b4234;padding:clamp(24px,3.2vw,42px)}
.panel:before{content:'';position:absolute;left:0;top:0;width:36px;height:1px;background:var(--gold)}
.steps>div{padding:28px}.steps strong{font-size:11px;letter-spacing:.18em}.steps span{font-size:13px}
.notice{margin:28px 0;line-height:1.8}.notice strong{color:#f2d39b}
.item{padding:24px;transition:border-color .2s}.item:hover{border-color:#8e7651}.item p{font-size:15px}
.archive-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:22px}.archive-grid .wide{grid-column:1/-1}
.archive-card{border:1px solid #554733;background:linear-gradient(135deg,rgba(211,177,112,.08),transparent 55%),#171611;padding:28px;position:relative}
.archive-card:after{content:'✦';position:absolute;right:24px;top:16px;color:#a78854;font-size:18px}
.archive-card h2{margin-bottom:8px}.archive-card p{color:#c8bba2}.archive-card .item{margin-top:16px}
.archive-code{font-size:11px;letter-spacing:.13em;color:#d8b979;word-break:break-word}
.archive-quote{font-family:'Cormorant Garamond',Georgia,serif;font-size:clamp(24px,3vw,35px)!important;color:#f3ecdf!important;line-height:1.25!important;margin:18px 0!important}
.archive-meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}.archive-meta span{border:1px solid #5b4d37;padding:5px 10px;font-size:11px;color:#d7c6a4}
.welcome{border:1px solid #7b633c;padding:clamp(26px,5vw,64px);margin:30px 0;background:linear-gradient(90deg,rgba(10,10,8,.93),rgba(10,10,8,.56)),url('installation-hero.webp') center/cover;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.24)}
.welcome .eyebrow{color:#e5c587}.welcome h2{font-size:clamp(42px,6vw,76px);margin:16px auto 20px}.welcome p{max-width:610px;margin:12px auto;color:#eadcc2;line-height:1.85}.welcome .actions{justify-content:center}
.welcome .welcome-mark{font-size:34px;color:#d6b776}
.account-settings{border-top-color:#655137;margin-top:38px}.account-settings h3{font-family:'Cormorant Garamond',serif;font-size:35px}
.account-settings form{max-width:620px}.account-settings button{margin-top:2px}
#auth{max-width:790px;margin:auto}.login-divider{display:flex;align-items:center;gap:18px;margin:30px 0 20px}.login-divider:after{content:'';height:1px;background:#564832;flex:1}
.museum-modal{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.84);display:grid;place-items:center;padding:20px;backdrop-filter:blur(12px)}
.museum-modal[hidden]{display:none}.museum-modal-card{width:min(690px,100%);max-height:88vh;overflow:auto;background:radial-gradient(circle at 80% 0,rgba(167,120,57,.14),transparent 55%),#1b1914;border:1px solid #826a43;padding:clamp(24px,4vw,48px);box-shadow:0 40px 100px #000}
.museum-modal-card h2{font-size:clamp(34px,5vw,56px)}.museum-modal-card .private-text{white-space:pre-wrap;overflow-wrap:anywhere;border-left:2px solid #c7a66d;padding:20px 22px;background:#12110e;color:#eee4d4;line-height:1.9}
.museum-modal-card .muted{overflow-wrap:anywhere}
.success-note{background:linear-gradient(120deg,#30291c,#1c1b17);border:1px solid #9e814d;padding:26px;margin:26px 0}.success-note h3{font-size:32px;margin:8px 0}.success-note p{color:#e0d3bd}
@media(max-width:720px){.archive-grid{grid-template-columns:1fr}.archive-grid .wide{grid-column:auto}.welcome{padding:32px 20px}.shell{padding-top:34px}header{gap:16px}nav{gap:14px}.steps>div{padding:20px}.panel{padding:24px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.account-settings{margin-top:28px;padding:16px 20px;border:1px solid #5a4b34;background:#14130f}.account-settings summary{cursor:pointer;list-style:none;font-size:13px;letter-spacing:.08em;color:#dfc18c}.account-settings summary:before{content:'+';font-size:20px;margin-right:12px}.account-settings[open] summary:before{content:'−'}.account-settings[open] summary{margin-bottom:22px}.message-stone{padding:clamp(28px,5vw,60px) 24px;text-align:center;margin:22px 0 30px;background:linear-gradient(#0a090880,#0a090880),url('stone-clean.webp') center/cover;border:1px solid #806b48;box-shadow:inset 0 0 55px #0009}.message-stone span,.message-stone small{letter-spacing:.18em;font-size:10px;color:#e2c791}.message-stone .archive-quote{font-size:clamp(28px,4.5vw,52px)!important;margin:26px auto!important;max-width:520px;text-shadow:0 2px 15px #000}.ritual-prompt{border-top:1px solid #5c4a2e;padding-top:20px;color:#d8bd89!important;line-height:1.7}.museum-modal-card{width:min(850px,100%)}

/* V09.2 · invitation confirmation experience */
.invitation-sent{position:relative;isolation:isolate;overflow:hidden;width:min(850px,100%);margin:30px auto 64px;padding:clamp(28px,5vw,66px);text-align:center;border:1px solid #887049;background:radial-gradient(ellipse at 50% 20%,rgba(190,148,76,.14),transparent 56%),linear-gradient(145deg,#201d17,#10100e 76%);box-shadow:0 26px 95px #0009,inset 0 0 0 7px #ffffff04;animation:invitationEnter .8s ease both}.invitation-sent.hidden{display:none}.invitation-stars{color:#c9a764;letter-spacing:1.2em;margin:0 0 26px;animation:starBreath 3s ease-in-out infinite}.invitation-sent .eyebrow{color:#d7b878;letter-spacing:.23em}.invitation-sent h2{font-family:Georgia,serif;font-weight:400;font-size:clamp(42px,6vw,72px);margin:22px 0 12px;color:#f6efe2}.invitation-sent p{color:#d7c5a7;max-width:570px;margin:16px auto;line-height:1.8}.invitation-sent .invitation-lead{font-size:clamp(17px,2.2vw,22px);color:#e8d5ad}.ritual-stone{height:clamp(150px,23vw,230px);margin:32px auto 20px;max-width:590px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:linear-gradient(#08080688,#08080688),url('stone-clean.webp') center/cover;border:1px solid #887049;box-shadow:inset 0 0 75px #000b,0 12px 45px #0008}.ritual-stone span{font-family:Georgia,serif;font-size:clamp(15px,2.6vw,27px);line-height:1.45;letter-spacing:.12em;color:#f2e4c8;text-shadow:0 0 17px #e9bd6b88,0 3px 8px #000;animation:stoneGlow 4s ease-in-out infinite}.stone-glyph{font-size:20px;color:#d4b06b;animation:starBreath 3s ease-in-out infinite}.invitation-address{margin:30px auto 12px;padding:18px 24px;border:1px solid #7e6846;background:#c6a96c12;max-width:550px;display:grid;gap:10px;overflow-wrap:anywhere;animation:addressGlow 3s ease-in-out infinite}.invitation-address span{font-size:10px;letter-spacing:.14em;color:#c8ab76}.invitation-address strong{font-size:clamp(16px,2vw,22px);color:#fff0cf;font-weight:500}.invitation-sent .invitation-hint{font-size:13px;color:#bda983}.invitation-actions{justify-content:center;gap:14px;flex-wrap:wrap;margin-top:26px}.invitation-foot{margin-top:38px;padding-top:22px;border-top:1px solid #695636;color:#bb9d62;letter-spacing:.2em;font-size:10px}.invitation-foot span{padding:0 10px}@keyframes invitationEnter{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes stoneGlow{50%{text-shadow:0 0 26px #efc875,0 0 42px #efc87577}}@keyframes starBreath{50%{opacity:.38}}@keyframes addressGlow{50%{border-color:#d8b775;box-shadow:0 0 25px #c6a96c19}}@media(max-width:600px){.invitation-sent{padding:25px 18px}.invitation-actions button{width:100%}.ritual-stone{margin-top:24px}}@media(prefers-reduced-motion:reduce){.invitation-sent,.ritual-stone span,.stone-glyph,.invitation-stars,.invitation-address{animation:none}}