:root{--paper:#fcfbf9;--ink:#211d1a;--muted:#6d655d;--line:#e4dfd7;--rule:#cdc5ba;--tile:#efebe5;--stage:#ebe6de;--accent:#7a3b2e;--radius:3px;--serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;--sans:"Avenir Next",Avenir,"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;--pad:max(clamp(20px,4vw,56px),calc((100% - 1480px)/2))}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 var(--sans);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button,a,select{touch-action:manipulation}
button,a{cursor:pointer}
a{color:inherit;text-decoration:none}
button{border:0;background:none;padding:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
button:disabled{opacity:.45;cursor:wait}
h1,h2,h3,h4,p,figure{margin:0}
h1,h2,h3,h4{font-family:var(--serif);font-weight:400;line-height:1.1;letter-spacing:-.01em}
h2{font-size:clamp(30px,2.6vw,40px)}
p{color:var(--muted)}
.note{font-size:13px;line-height:1.5}
.kicker{font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}

/* Header */
.header{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:44px;height:68px;padding:0 var(--pad);background:var(--paper);border-bottom:1px solid var(--line)}
.wordmark{font-family:Georgia,'Times New Roman',serif;font-size:43px;letter-spacing:-3px;line-height:1;white-space:nowrap}
.wordmark sup{font:9px Arial,sans-serif;letter-spacing:0;position:relative;top:-18px;margin-left:5px}
.header nav{display:flex;gap:30px;margin-right:auto;font-size:14px}
.header nav a{padding:6px 0;border-bottom:1px solid transparent}
.header nav a:hover{border-color:var(--ink)}
.header-tools{display:flex;gap:4px}
.quiet{font-size:14px;padding:8px 10px;border-radius:var(--radius)}
.quiet:hover{background:var(--tile)}
#saved-count{margin-left:4px;color:var(--accent);font-variant-numeric:tabular-nums}

/* Controls shared */
.dark,.outline{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 20px;border-radius:var(--radius);font-size:14px;font-weight:500;line-height:1.2;text-align:center}
.dark{background:var(--ink);color:var(--paper);border:1px solid var(--ink)}
.dark:hover{background:#3a322c}
.outline{border:1px solid var(--rule)}
.outline:hover{border-color:var(--ink)}
.text-button{padding:10px 0;font-size:14px;text-decoration:underline;text-decoration-color:var(--rule);text-underline-offset:4px}
.text-button:hover{text-decoration-color:var(--ink)}
select,textarea,input[type=search]{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--rule);border-radius:var(--radius);background-color:var(--paper);font-size:15px;appearance:none;-webkit-appearance:none}
select{padding-right:34px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23211d1a' stroke-width='1.2'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}
select:disabled{color:var(--muted);opacity:.6}
textarea{display:block;min-height:92px;resize:vertical;line-height:1.5}
.thumb{display:block;position:relative;aspect-ratio:1;overflow:hidden;background:var(--tile);border-radius:var(--radius)}
.thumb img{display:block;width:100%;height:100%;object-fit:cover;mix-blend-mode:multiply}

/* Studio */
.studio{padding:24px var(--pad) 88px}
.colophon{display:flex;justify-content:space-between;align-items:baseline;gap:12px 48px;padding-bottom:20px;margin-bottom:36px;border-bottom:1px solid var(--line);font-size:14px}
.colophon p:last-child{max-width:560px}
.colophon strong{margin-right:10px;font-weight:500;color:var(--ink)}
.studio-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);grid-template-rows:auto 1fr;grid-template-areas:"stage title" "stage controls";column-gap:clamp(32px,4.5vw,72px)}
.studio-title{grid-area:title;padding-bottom:28px}
.studio-title h1{margin:10px 0 14px;font-size:clamp(36px,3.4vw,52px)}
.lede{max-width:34em;font-size:16px}
#design-title:focus:not(:focus-visible){outline:none}
.design-details{margin-top:14px;font-size:13px;letter-spacing:.03em;color:var(--ink)}
.stage{grid-area:stage;align-self:start;position:sticky;top:88px}
.stage:has(.motion[open]){position:static}
.stage-image{position:relative;aspect-ratio:1;max-height:max(360px,calc(100vh - 360px));background:var(--stage);border-radius:var(--radius)}
#preview-image{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.stage-caption{display:flex;justify-content:space-between;gap:16px;padding-top:10px;font-size:12px;letter-spacing:.02em;color:var(--muted)}
#preview-ref{color:var(--ink)}
#view-options{margin-top:14px}
.angles{display:grid;grid-template-columns:repeat(6,minmax(0,88px));gap:10px;margin:6px 0 14px}
.angles button{text-align:left;font-size:12px;line-height:1.3;color:var(--muted)}
.angles .thumb img{transform:scale(1.15)}
.angles .label{display:block;margin-top:6px}
.angles [aria-pressed=true]{color:var(--ink)}
.angles [aria-pressed=true] .thumb,.swatch[aria-pressed=true]{outline:1px solid var(--ink);outline-offset:2px}
.swatch:focus-visible{outline:2px solid var(--accent)}
#preview-note{margin-top:10px;font-size:12px}
.disclosure>summary{display:flex;justify-content:space-between;align-items:center;min-height:44px;font-size:13px;font-weight:500;cursor:pointer;list-style:none;border-top:1px solid var(--line)}
.disclosure>summary::-webkit-details-marker{display:none}
.disclosure>summary::after{content:'+';font-size:18px;font-weight:400;color:var(--muted)}
.disclosure[open]>summary::after{content:'–'}
.motion{margin-top:18px}
.motion video{display:block;width:100%;aspect-ratio:16/9;background:var(--stage);border-radius:var(--radius)}
.clips{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}
.clip{min-height:36px;padding:6px 12px;border:1px solid var(--line);border-radius:var(--radius);font-size:13px;color:var(--muted)}
.clip:hover{border-color:var(--rule);color:var(--ink)}
.clip[aria-pressed=true]{border-color:var(--ink);color:var(--ink)}
.controls{grid-area:controls;min-width:0}
.group{min-width:0;margin:0;padding:22px 0 6px;border:0;border-top:1px solid var(--line)}
.group+.group{margin-top:10px}
legend{float:left;width:100%;padding:0;margin-bottom:18px;font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
legend+*{clear:both}
.controls label{display:block;margin-bottom:6px;font-size:13px;font-weight:500;color:var(--ink)}
.group>select,.group>textarea,.two-fields select{margin-bottom:18px}
.group>.note{margin-bottom:18px}
.field-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:6px}
.controls .field-head label{margin:0}
.field-head a{font-size:13px;color:var(--muted);text-decoration:underline;text-decoration-color:var(--rule);text-underline-offset:3px}
.swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:7px;margin:6px 0 12px}
.swatch img{transform:scale(1.6)}
#stone-note{margin-bottom:16px}
#dimensions{margin-bottom:10px}
#dimensions p{padding-bottom:6px}
#dimensions strong{font-weight:500;color:var(--ink)}
.stone-story{padding:20px 0 22px;border-top:1px solid var(--line)}
.stone-story h2{font-size:22px;line-height:1.2}
#stone-story{margin-top:8px;font-size:14px}
#story-source{display:inline-block;margin-top:8px;font-size:13px;color:var(--muted);text-decoration:underline;text-decoration-color:var(--rule);text-underline-offset:3px}
#story-source:hover{color:var(--ink)}
.step>summary{min-height:52px;font-size:14px}
#customization>.group{padding-top:4px;border-top:0}
#meaning{min-height:68px}
#ring-story{margin-bottom:20px;border-bottom:1px solid var(--line)}
.ring-story-body{padding-bottom:16px}
#personal-story{font-family:var(--serif);font-size:17px;line-height:1.45;color:var(--ink)}
.story-basis{margin-top:8px}
.story-basis small{font-size:12px}
.story-actions{display:flex;flex-wrap:wrap;gap:0 24px;margin-top:4px}
.band-field{display:grid;grid-template-columns:56px minmax(0,1fr);align-items:center;gap:12px}
.band-field .thumb img{transform:scale(1.15)}
#band-note{margin:8px 0 18px}
.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:6px}
#studio-feedback:empty{display:none}

/* Collection */
.collection,.stones{padding:72px var(--pad);border-top:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px 48px;margin-bottom:28px}
.section-head p{max-width:520px}
.filters{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;padding:12px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
#collection-filters{flex:1 1 100%;min-width:0}
.filter-body{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:4px 0 14px}
.tabs{display:flex;gap:24px;margin-right:auto}
.tabs button{padding:8px 0;color:var(--muted);border-bottom:1px solid transparent}
.tabs .active{color:var(--ink);border-color:var(--ink)}
.filters input,.filters select{width:auto;min-height:40px;font-size:14px}
.filters input{width:260px}
.shown-in{display:flex;align-items:center;gap:8px}
.shown-in label{font-size:13px;color:var(--muted);white-space:nowrap}
#result-count{margin:16px 0 28px}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:44px 20px}
.family-cell{display:flex;flex-direction:column;gap:10px;padding-top:14px;border-top:1px solid var(--ink)}
.family-cell h3{font-size:26px}
.family-cell p{max-width:24em;font-size:14px}
.family-cell .count{margin-top:auto;font-size:13px}
.card{min-width:0}
.card-image{display:block;position:relative;width:100%;aspect-ratio:4/5;overflow:hidden;background:var(--tile);border-radius:var(--radius)}
.card-image img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.12);mix-blend-mode:multiply;transition:opacity .2s}
.card-alt,.has-alt:hover .card-main,.has-alt:focus-visible .card-main{opacity:0}
.has-alt:hover .card-alt,.has-alt:focus-visible .card-alt{opacity:1}
.card-meta{display:flex;justify-content:space-between;align-items:start;gap:12px;padding-top:12px}
.card h4{font-size:20px;line-height:1.2}
.card .ref{margin-top:4px;font-size:12px;letter-spacing:.03em;font-variant-numeric:tabular-nums}
.card-save{padding:2px 0;font-size:13px;color:var(--muted);text-decoration:underline;text-decoration-color:var(--rule);text-underline-offset:3px}
.card-save:hover{color:var(--ink)}
.card-save[aria-pressed=true]{color:var(--accent);text-decoration:none}
.empty{padding:56px 0;text-align:center}
.empty p{margin-bottom:16px;font-size:16px;color:var(--ink)}

/* Stone stories */
.library>summary{min-height:52px;font-size:14px;border-bottom:1px solid var(--line)}
.stone-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:44px 24px;padding-top:32px}
.stone-card{display:flex;flex-direction:column;min-width:0}
.stone-photos{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px}
.stone-photos figure:only-child{grid-column:1/-1}
.stone-photos figure:only-child .thumb{aspect-ratio:2/1}
.stone-photos figure:only-child img{object-fit:contain}
.stone-photos img{transform:scale(1.25)}
.stone-photos figcaption{margin-top:6px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.stone-card h3{font-size:22px}
.stone-card p{margin:6px 0 10px;font-size:14px}
.story-citation{font-size:12px;text-decoration:underline;text-underline-offset:3px;color:var(--muted)}
.stone-history{margin:6px 0 12px}
.stone-card .text-button{align-self:flex-start;margin-top:auto}

footer{display:flex;align-items:baseline;gap:40px;padding:40px var(--pad) 48px;border-top:1px solid var(--line)}
footer .wordmark{font-size:34px}
footer p{max-width:60em;font-size:13px}

/* Dialogs */
dialog{width:min(960px,calc(100% - 32px));max-height:90vh;overflow:auto;padding:28px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink)}
dialog::backdrop{background:#211d1a80}
.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:8px}
.dialog-header h2{font-size:32px}
#saved-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 20px;margin-top:24px}
#saved-grid>p{grid-column:1/-1}
#saved-grid h3{margin:12px 0 4px;font-size:20px}
#saved-grid p{font-size:13px}
.saved-actions{display:flex;align-items:center;gap:18px;margin-top:12px}
#board-dialog{width:min(760px,calc(100% - 32px))}
#board-canvas{display:block;width:100%;height:auto;margin-top:20px;border:1px solid var(--line)}
#board-dialog .actions{margin-top:20px}

.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}
#print-root{display:none}
[hidden]{display:none!important}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card-image img{transition:none}}
@media(max-width:1100px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.colophon{display:block}.colophon p+p{margin-top:6px}}
@media(max-width:860px){.header{gap:28px}.header nav{gap:20px}.studio-layout{grid-template-columns:minmax(0,1fr);grid-template-areas:"title" "stage" "controls"}.stage{position:static;margin-bottom:36px}.stage-image{max-height:70vh}.section-head{display:block}.section-head p{margin-top:12px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 14px}.family-cell{grid-column:1/-1;gap:6px}.family-cell .count{margin-top:0}}
@media(max-width:600px){html{scroll-padding-top:12px}.header{position:static;flex-wrap:wrap;height:auto;gap:0 12px;padding-top:14px}.wordmark{font-size:38px}.header-tools{margin-left:auto}.header nav{order:3;width:100%;justify-content:space-between;margin:12px 0 0;padding:6px 0;border-top:1px solid var(--line)}.quiet{padding:8px}.studio{padding-top:18px;padding-bottom:56px}.colophon{margin-bottom:24px}.studio-title h1{font-size:34px}.angles{grid-template-columns:repeat(6,minmax(0,1fr));gap:6px}.angles .label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.two-fields,.actions{grid-template-columns:1fr}.two-fields{gap:0}.collection,.stones{padding:52px var(--pad)}.tabs{width:100%}.filters input{width:100%}.filters select{flex:1 1 40%;min-width:0}.shown-in{flex:1 1 100%}.card h4{font-size:18px}.stone-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:36px 14px}.stone-card h3{font-size:19px}footer{display:block}footer p{margin-top:16px}dialog{padding:20px}#saved-grid{grid-template-columns:1fr 1fr}.dialog-header h2{font-size:26px}}

/* Printable catalog: A4 pages generated by renderPrint() (cover, one page per selected pair, stone colors, notes) */
@page{size:A4;margin:0}
@media print{
body{background:#fff;-webkit-print-color-adjust:exact;print-color-adjust:exact}
.header,#main,footer,dialog,noscript{display:none!important}
#print-root{display:block}
.print-page{position:relative;height:297mm;padding:18mm 18mm 0;overflow:hidden;break-after:page;background:var(--paper)}
.print-page:last-child{break-after:auto}
.print-plate{overflow:hidden;background:var(--tile);border-radius:var(--radius)}
.print-plate img{display:block;width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.print-head{display:flex;justify-content:space-between;align-items:baseline;gap:10mm;padding-bottom:4mm;border-bottom:1px solid var(--line)}
.print-head h2{font-size:30px}
.print-head span,.print-bottom{font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.print-bottom{position:absolute;left:18mm;right:18mm;bottom:12mm;display:flex;justify-content:space-between}
.print-intro{max-width:140mm;margin-top:6mm;font-size:13px}
.print-cover .wordmark{font-size:44px}
.print-cover .kicker{margin-top:12mm;font-size:10px}
.print-cover h1{margin:3mm 0 0;font-size:50px}
.print-cover .print-intro{margin-top:5mm}
.print-hero{height:105mm;margin:8mm 0}
.print-contents{display:grid;grid-template-columns:1fr 1fr;column-gap:12mm}
.print-contents p{display:flex;justify-content:space-between;padding:2mm 0;border-bottom:1px solid var(--line);font-size:11px;color:var(--ink)}
.print-contents span{color:var(--muted);font-variant-numeric:tabular-nums}
.print-scope{margin-top:6mm;font-size:10px}
.print-pair{display:grid;grid-template-columns:1fr 1fr;gap:10mm;margin-top:8mm}
.print-pair .print-plate{height:84mm}
.print-pair h3{margin-top:5mm;font-size:22px}
.print-pair p{margin-top:2mm;font-size:11px;line-height:1.5}
.print-pair .print-ref{margin-top:1.5mm;letter-spacing:.04em;color:var(--ink)}
.print-pair .print-profile{height:62mm;margin-top:5mm}
.print-pair .print-caption{margin-top:1.5mm;font-size:9px;letter-spacing:.12em;text-transform:uppercase}
.print-pair .print-profile.compact{height:40mm}
.print-metals{display:grid;grid-template-columns:repeat(3,1fr);gap:3mm;margin-top:5mm}
.print-metals .print-plate{height:24mm}
.print-metals figcaption{margin-top:1mm;font-size:9px;color:var(--ink)}
.print-colors{display:grid;grid-template-columns:repeat(5,1fr);gap:4mm 5mm;margin-top:7mm}
.print-colors .print-plate{height:22mm}
.print-colors img{object-fit:cover;transform:scale(1.2)}
.print-colors figcaption{margin-top:1.5mm;font-size:9px;color:var(--ink)}
.print-colors small{display:block;margin-top:.5mm;font-size:8px;line-height:1.3;color:var(--muted)}
.print-detail{margin-top:10mm;padding-top:6mm;border-top:1px solid var(--line)}
.print-detail h3{font-size:22px}
.print-detail p{max-width:150mm;margin-top:2mm;font-size:11px}
.print-steps{display:grid;grid-template-columns:1fr 1fr;gap:10mm 12mm;margin-top:10mm}
.print-steps h3{font-size:20px}
.print-steps p{margin-top:2mm;font-size:12px}
.print-form{margin-top:14mm;border-top:1px solid var(--ink)}
.print-form p{height:13mm;padding-top:2mm;border-bottom:1px solid var(--line);font-size:9px;letter-spacing:.12em;text-transform:uppercase}
}