/* Kraken rings: Gridline page frame (as /kraken/) with the gridfinity generators' workbench. */
.frame{max-width:1440px;margin:16px auto;border:1px solid #666;background:#e8e8e8}
nav{display:flex;flex-wrap:wrap;border-bottom:1px solid #666;background:#fff;position:sticky;top:0;z-index:5}
nav a{padding:12px 16px;border-right:1px solid #999;min-height:44px}
main{padding:clamp(12px,3vw,40px)}
.hero{background:#fff;border:1px solid #666;padding:clamp(18px,4vw,48px);margin-bottom:24px}
.eyebrow{font:12px/1.5 var(--gl-mono);color:#0000a8;margin:0}
h1{font-size:clamp(30px,4vw,54px);line-height:1.08;margin:16px 0}
p{margin:0 0 16px;max-width:85ch}
.lead{font-size:20px;max-width:68ch}
.credit{border:2px solid #0000a8;background:#eef0ff;padding:16px 20px;margin:20px 0}
.credit p{margin:0;max-width:none}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
.button{display:inline-flex;align-items:center;padding:12px 18px;border:1px solid #666;min-height:44px;background:#fff}
.primary{background:#0000a8;color:#fff}.primary:hover{color:#fff;background:#000078}
.hero-render{margin:0;border:1px solid #666;background:#fff}
.hero-render img{width:100%;height:auto;display:block}
figcaption{padding:10px 14px;border-top:1px solid #999;font-size:14px}
section[id]{border:1px solid #666;background:#fff;margin-bottom:24px;scroll-margin-top:70px}
h2{font:600 14px/1.5 var(--gl-mono);padding:12px 16px;background:#0000a8;color:#fff;margin:0;letter-spacing:.02em}
h3{font-size:19px;margin:24px 0 10px}
.inside{padding:clamp(16px,3vw,32px)}
.columns{display:grid;grid-template-columns:1fr 1fr;gap:32px}.columns h3{margin-top:0}
.rule{font-size:18px;border-left:5px solid #0000a8;padding:6px 0 6px 14px}
.hint{font-size:14px;color:#444}
.table-wrap{overflow:auto;margin:16px 0}
table{border-collapse:collapse;width:100%;text-align:left}
caption{text-align:left;font-weight:600;padding:0 0 8px}
th,td{padding:10px 12px;border:1px solid #999;vertical-align:top}
thead th{background:#e8e8e8}tbody th{font-weight:600;background:#fafafa}
.num{font-family:var(--gl-mono);white-space:nowrap}
.stock-wrap{max-height:520px;border:1px solid #999}
.stock-wrap table{margin:0}.stock-wrap caption{padding:8px 12px}
.stock thead th{position:sticky;top:0;z-index:1}
tr:target th,tr:target td{background:#fff4dc}
.credit-line{font-size:14px;border-top:1px solid #ccc;padding-top:10px;margin-top:12px}
code{font-family:var(--gl-mono);font-size:.9em;overflow-wrap:anywhere}
a{overflow-wrap:anywhere}

.workbench{display:grid;grid-template-columns:minmax(260px,340px) minmax(0,1fr);gap:20px;align-items:start}
.nut-bench{margin-top:16px}
.pane{border:1px solid #666;background:#fff;margin:0;min-width:0}
.controls{padding:16px}
.controls label{display:block;font-weight:600;margin:14px 0 6px}
.controls label:first-child{margin-top:0}
input[type=number],input[type=text]{width:100%;min-width:0;padding:9px 10px;border:1px solid #555;border-radius:0;font:600 1.15rem var(--gl-mono);background:#fff}
input:invalid,input[aria-invalid=true]{border-color:#c4320a;outline:2px solid #c4320a}
.stepper{display:grid;grid-template-columns:auto 1fr auto;gap:6px}
button{padding:10px 12px;border:2px outset #aaa;background:#ddd;color:#111;font:inherit;cursor:pointer;border-radius:0;min-height:44px}
button:hover{background:#eee}button:disabled{opacity:.5;cursor:default}
button:focus-visible,input:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #005fff;outline-offset:2px}
.buttons{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.buttons button{flex:1 1 120px;background:#0000a8;color:#fff;border-color:#000078;font-weight:600}
.buttons button:disabled{background:#ddd;color:#555;border-color:#aaa}
details{margin:14px 0;border:1px solid #999;padding:8px 10px}
summary{cursor:pointer;font-weight:600;min-height:28px}
.download-block{border-top:2px solid #111;margin-top:16px;padding-top:12px}
.status{font-weight:600;margin:0 0 6px;overflow-wrap:anywhere}
.error{background:#fff4dc;border-left:5px solid #b87900;padding:10px 12px;font-weight:600}
.share{width:100%;margin-top:6px}
.facts{display:grid;grid-template-columns:minmax(0,1fr) auto;margin:16px 0 0;font-size:14px}
.facts dt,.facts dd{margin:0;padding:6px 4px;border-bottom:1px solid #ddd}
.facts dd{text-align:right;font-family:var(--gl-mono);font-weight:600;white-space:nowrap}
progress{width:100%;height:8px}

.diagram-pane #diagram{background:#fff;min-height:200px}
.ring-diagram{display:block;width:100%;height:auto}
.dg-head{font:600 13px var(--gl-mono);fill:#0000a8;letter-spacing:.04em}
.dg-sub{font-size:13px;fill:#444}
.dg-name{font-weight:600;font-size:15px;fill:#101010}
.dg-value{font:600 18px var(--gl-mono);fill:#101010}
.dg-note{font-size:13px;fill:#444}
.dg-dim{font:600 14px var(--gl-mono)}
.dg-halo{paint-order:stroke;stroke:#fff;stroke-width:4px;stroke-linejoin:round}
.dg-mark{font:700 13px var(--gl-mono);fill:#101010}
.narrow .dg-head{font-size:15px}.narrow .dg-sub{font-size:15px}.narrow .dg-name{font-size:18px}.narrow .dg-value{font-size:20px}.narrow .dg-note{font-size:15px}.narrow .dg-dim{font-size:16px}

.viewer-pane{margin-top:20px}
.nut-bench .viewer-pane{margin-top:0}
.viewer{position:relative;height:clamp(300px,38vw,520px);background:#eee9dc;overflow:hidden}
.viewer canvas{display:block;width:100%;height:100%;touch-action:none}
.viewer-note{position:absolute;top:8px;left:8px;right:8px;margin:0;padding:10px 12px;background:rgba(255,255,255,.95);border:1px solid #9b6300;border-left:5px solid #9b6300;pointer-events:none;z-index:2}
[hidden]{display:none!important}
footer{padding:20px 0}footer p{max-width:none}

@media(max-width:900px){.workbench{grid-template-columns:1fr}}
@media(max-width:680px){.num{white-space:normal}.frame{margin:0}.columns{grid-template-columns:1fr}nav{position:static}nav a{padding:10px;font-size:14px}.lead{font-size:18px}.gl-titlebar{flex-wrap:wrap;gap:8px}.stock-wrap{max-height:420px}th,td{padding:8px}}
.byline{font-size:18px;font-weight:600;margin:-4px 0 18px}
.presets{border:1px solid #999;margin:0 0 12px;padding:8px 10px}.presets legend{font-weight:600;padding:0 4px}
.preset-buttons{display:flex;flex-wrap:wrap;gap:6px}.preset-buttons button{flex:1 1 130px;min-height:40px;font-size:14px}
.preset-buttons button[aria-pressed=true]{background:#0000a8;color:#fff;border-color:#000078}
.gear-fields{display:grid;grid-template-columns:minmax(0,1fr) 96px;gap:6px 10px;align-items:center}
.gear-fields label{margin:0;font-weight:600;font-size:14px}.gear-fields input{font-size:1rem;padding:7px 8px}
.choice .choice-row{display:flex;flex-wrap:wrap;gap:4px 14px}.choice label{display:flex;align-items:center;gap:6px;margin:0;font-weight:400;min-height:32px}
.core-types{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:4px 24px}
.skinny-set{margin:18px 0}.skinny-set summary{cursor:pointer;font-weight:600;min-height:32px}