/* Prototypes in the tables article (behaviour: blog-tables.js). Colours come from blog.css (--b-*). */
:root{--sk:rgba(255,255,255,.13);--sk-2:rgba(255,255,255,.22);--frame:#0e0e12;--hl:#ffd98a}
:root:not(.theme-dark){--sk:rgba(12,11,16,.1);--sk-2:rgba(12,11,16,.2);--frame:#fbfbfd;--hl:#b7791f}

.proto{margin-top:2.25rem;margin-bottom:2.25rem}
/* wider than the text column on large screens */
@media (min-width:1100px){.proto-wide{margin-left:-8rem;margin-right:-8rem}}
.proto-shell{border-radius:26px;padding:8px;border:1px solid var(--b-line);background:rgba(255,255,255,.03)}
:root:not(.theme-dark) .proto-shell{background:rgba(12,11,16,.03)}
.proto-in{border-radius:19px;overflow:hidden;background:var(--b-card)}
.proto-bar{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1rem;padding:.9rem 1rem;border-bottom:1px solid var(--b-line);font-size:.8125rem;color:var(--b-text-3)}
.proto-bar .grow{flex:1}
.proto figcaption{margin-top:.9rem;font-size:.875rem;line-height:1.55;color:var(--b-text-3)}
.proto-hint{font-size:.8125rem;color:var(--b-text-3)}

/* segmented control */
.seg{display:inline-flex;padding:3px;border-radius:999px;border:1px solid var(--b-line);background:var(--b-cell)}
.seg button{padding:.4rem .8rem;border-radius:999px;font-size:.8125rem;color:var(--b-text-2);transition:background .2s,color .2s}
.seg button[aria-pressed="true"]{background:var(--b-text);color:var(--b-bg,#08080b)}
:root:not(.theme-dark) .seg button[aria-pressed="true"]{color:#fff}
.seg-label{font-size:.75rem;color:var(--b-text-3)}

/* legend tags (hover, focus or tap to mark a part) */
.prose .proto-legend{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.prose .proto-legend li{padding-left:0}
.prose .proto-legend li::before{display:none}
.proto-legend button{display:inline-flex;align-items:center;gap:.5rem;padding:.45rem .85rem;border-radius:999px;font-size:.8125rem;color:var(--b-text-2);border:1px solid var(--b-line);transition:border-color .2s,color .2s}
.proto-legend button::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--hl)}
.proto-legend button:hover,.proto-legend button[aria-pressed="true"]{color:var(--b-text);border-color:var(--hl)}

/* skeleton bars */
.sk{display:inline-block;height:8px;border-radius:4px;background:var(--sk);vertical-align:middle}
.sk-head{background:var(--sk-2)}
.sk-box{width:12px;height:12px;border-radius:3px;margin-right:8px}
.sk-pill{height:16px;border-radius:8px}

/* ---------- 1. Page as viewport ---------- */
.pv-frame{position:relative;display:flex;height:440px;background:var(--frame)}
.pv-side{flex:none;width:150px;padding:18px 14px;border-right:1px solid var(--b-line);display:grid;align-content:start;gap:14px}
.pv-page{position:relative;flex:1;min-width:0;overflow-y:auto;overscroll-behavior:contain;outline-offset:-3px}
.pv-above{padding:18px 20px 0;display:grid;gap:14px}
.pv-title{display:flex;justify-content:space-between;align-items:center}
.pv-banner{height:38px;border-radius:8px;background:var(--b-cell);border:1px solid var(--b-line)}
.pv-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.pv-tiles i{height:56px;border-radius:10px;background:var(--b-cell);border:1px solid var(--b-line)}
.pv-filters{display:flex;gap:8px;padding-bottom:14px}
.pv-filters i{height:26px;border-radius:13px;background:var(--b-cell);border:1px solid var(--b-line)}
.pv-sentinel{height:1px}
.pv-table{position:relative;border-top:1px solid var(--b-line)}
.pv-heads{position:sticky;top:0;z-index:3;display:flex;background:var(--frame);border-bottom:1px solid var(--b-line)}
.pv-head-first{flex:none;width:170px;padding:12px 14px;border-right:1px solid var(--b-line);position:relative;z-index:1;background:var(--frame)}
.pv-head-clip{flex:1;overflow:hidden}
.pv-head-track{display:flex;will-change:transform}
.pv-scroller{overflow-x:auto;overflow-y:hidden;scrollbar-width:none}
.pv-scroller::-webkit-scrollbar{display:none}
.pv-row{display:flex;width:max-content;border-bottom:1px solid var(--b-line)}
.pv-cell{flex:none;padding:13px 14px;white-space:nowrap}
.pv-heads .pv-cell{padding:12px 14px}
.pv-first{position:sticky;left:0;z-index:1;width:170px;background:var(--frame);border-right:1px solid var(--b-line)}
.is-scrolled-x .pv-first,.is-scrolled-x .pv-head-first{box-shadow:6px 0 12px -6px rgba(0,0,0,.35)}
.pv-bar{position:sticky;bottom:0;z-index:3;display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--frame);border-top:1px solid var(--b-line)}
.pv-bar button{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;color:var(--b-text);border:1px solid var(--b-line)}
.pv-track{position:relative;flex:1;height:10px;border-radius:5px;background:var(--b-cell);cursor:pointer}
.pv-thumb{position:absolute;left:0;top:0;height:10px;border-radius:5px;background:var(--sk-2);cursor:grab;touch-action:none}
.pv-pinned-note{position:absolute;right:14px;top:10px;z-index:4;padding:4px 10px;border-radius:999px;font-size:.75rem;color:var(--b-text);background:var(--b-card);border:1px solid var(--b-line);opacity:0;transition:opacity .3s;pointer-events:none}
.is-pinned .pv-pinned-note{opacity:1}
/* contained: the table is squeezed into a short box with its own scroll bars */
[data-pv][data-mode="contained"] .pv-page{overflow:hidden}
[data-pv][data-mode="contained"] .pv-table{margin:0 20px 18px;border:1px solid var(--b-line);border-radius:8px;overflow:hidden}
[data-pv][data-mode="contained"] .pv-scroller{height:112px;overflow:auto;scrollbar-width:auto}
[data-pv][data-mode="contained"] .pv-scroller::-webkit-scrollbar{display:block}
[data-pv][data-mode="contained"] .pv-heads{position:static}
[data-pv][data-mode="contained"] .pv-bar,[data-pv][data-mode="contained"] .pv-pinned-note{display:none}
/* call-outs */
[data-callout="heads"] .pv-heads,[data-callout="bar"] .pv-bar{outline:2px solid var(--hl);outline-offset:-2px}
/* the first column reads as one highlighted strip: tinted, with lines down both edges */
[data-callout="first"] .pv-first,[data-callout="first"] .pv-head-first{background-image:linear-gradient(rgba(255,217,138,.1),rgba(255,217,138,.1));box-shadow:inset 2px 0 0 var(--hl),inset -2px 0 0 var(--hl)}
:root:not(.theme-dark) [data-callout="first"] .pv-first,:root:not(.theme-dark) [data-callout="first"] .pv-head-first{background-image:linear-gradient(rgba(183,121,31,.1),rgba(183,121,31,.1))}
@media (max-width:640px){.pv-side{display:none}.pv-frame{height:400px}.pv-tiles{grid-template-columns:1fr 1fr}.pv-first,.pv-head-first{width:120px}}

/* ---------- 2. Playground ---------- */
.pg-chip{display:inline-flex;align-items:center;gap:.45rem;padding:.38rem .75rem;border-radius:999px;font-size:.8125rem;color:var(--b-text-3);border:1px dashed var(--b-line)}
.pg-chip[aria-pressed="true"]{color:var(--b-text);border-style:solid;background:var(--b-cell)}
.pg-chip::before{content:"";width:12px;height:12px;border-radius:3px;border:1.5px solid currentColor;opacity:.6}
.pg-chip[aria-pressed="true"]::before{background:currentColor;opacity:1;box-shadow:inset 0 0 0 2px var(--b-card)}
.pg-count{font-size:.8125rem;color:var(--b-text-3)}
.pg-scroll{overflow-x:auto}
.pg table{width:100%;min-width:620px;border-collapse:collapse;font-size:.9375rem;line-height:1.35}
.pg th,.pg td{padding:.8rem 1rem;border-bottom:1px solid var(--b-line);text-align:left;color:var(--b-text)}
.pg thead th{font-size:.8125rem;font-weight:500;color:var(--b-text-3);background:var(--b-cell);white-space:nowrap}
.pg tbody th{font-weight:500}
.pg .sub{display:block;font-size:.8125rem;font-weight:400;color:var(--b-text-3)}
.pg tbody tr:hover>*{background:var(--b-hover)}
.pg tr.is-picked>*{background:rgba(111,157,255,.1)}
.pg .num{text-align:right;font-variant-numeric:tabular-nums}
.pg th[data-sort] button{display:inline-flex;align-items:center;gap:.35rem;font:inherit;color:inherit}
.pg th[data-sort] button::after{content:"↕";opacity:.45}
.pg th[aria-sort="descending"] button::after{content:"↓";opacity:1;color:var(--hl)}
.pg th[aria-sort="ascending"] button::after{content:"↑";opacity:1;color:var(--hl)}
.pg th[aria-sort="descending"],.pg th[aria-sort="ascending"]{color:var(--b-text)}
.pg-check{width:44px}
.pg input[type="checkbox"]{width:18px;height:18px;accent-color:#6f9dff}
.pg-none{padding:2.5rem 1rem!important;text-align:center!important;color:var(--b-text-3)!important}
.pg-none button,.st-pane button{margin-left:.5rem;text-decoration:underline;text-underline-offset:3px;color:var(--b-text)}
.pg-bulk{display:flex;align-items:center;gap:.6rem;padding:.75rem 1rem;border-top:1px solid var(--b-line);font-size:.875rem;color:var(--b-text)}
.pg-bulk[hidden]{display:none}
.pg-bulk .btn{padding:.4rem .85rem;border-radius:999px;border:1px solid var(--b-line);background:var(--b-cell)}
.pg-bulk .btn-pri{border:0;color:#0c0b10;background:linear-gradient(135deg,#ffc6e6,#ffe7b0 50%,#bcd0ff)}
.pg-bulk .grow{flex:1}
/* density and alignment switches */
.pg[data-density="compact"] th,.pg[data-density="compact"] td{padding-top:.4rem;padding-bottom:.4rem}
.pg[data-density="compact"] .sub{display:none}
.pg[data-align="before"] .num{text-align:left;font-variant-numeric:proportional-nums}

/* ---------- 3. States ---------- */
.st-pane{min-height:250px}
.st-pane[hidden]{display:none}
.st-msg{display:grid;place-items:center;align-content:center;gap:.6rem;min-height:250px;padding:2rem;text-align:center;color:var(--b-text-2)}
.st-msg b{font-size:1.05rem;font-weight:500;color:var(--b-text)}
.st-icon{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--b-line);color:var(--b-text)}
.st-skel{display:grid}
.st-skel div{display:flex;gap:1.5rem;align-items:center;padding:1rem;border-bottom:1px solid var(--b-line)}
.st-skel .sk{animation:shimmer 1.4s ease-in-out infinite}
@keyframes shimmer{50%{opacity:.45}}
@media (prefers-reduced-motion:reduce){.st-skel .sk{animation:none}}

/* ---------- 4. On a phone ---------- */
.mb-stage{display:grid;place-items:center;padding:1.75rem 1rem;background:var(--frame)}
.mb-phone{width:290px;height:500px;border-radius:38px;padding:10px;background:#111;box-shadow:0 0 0 1px rgba(255,255,255,.12),0 24px 60px rgba(0,0,0,.35)}
.mb-screen{height:100%;border-radius:30px;overflow:hidden;background:var(--b-card);display:flex;flex-direction:column}
.mb-top{padding:16px 16px 10px;font-size:.9375rem;font-weight:500;color:var(--b-text);border-bottom:1px solid var(--b-line)}
.mb-body{flex:1;overflow:auto}
.mb-table{display:none}
[data-view="scroll"] .mb-table{display:block}
[data-view="scroll"] .mb-cards{display:none}
.mb-table table{border-collapse:collapse;font-size:.8125rem;white-space:nowrap}
.mb-table th,.mb-table td{padding:.6rem .75rem;border-bottom:1px solid var(--b-line);text-align:left;color:var(--b-text)}
.mb-table thead th{position:sticky;top:0;z-index:1;background:var(--b-card);color:var(--b-text-3);font-weight:500}
.mb-table tbody th,.mb-table thead th:first-child{position:sticky;left:0;z-index:2;background:var(--b-card);box-shadow:4px 0 8px -4px rgba(0,0,0,.3)}
.mb-table thead th:first-child{z-index:3}
.mb-table .num{text-align:right;font-variant-numeric:tabular-nums}
.mb-cards{display:grid;gap:10px;padding:12px}
.mb-card{padding:12px 14px;border-radius:14px;border:1px solid var(--b-line);background:var(--b-cell);font-size:.8125rem;color:var(--b-text-2)}
.mb-card b{display:flex;justify-content:space-between;align-items:center;font-size:.9375rem;font-weight:500;color:var(--b-text)}
.mb-card p{margin-top:6px;display:flex;justify-content:space-between}
.mb-card .b-status{font-size:.75rem}

/* ---------- How it's built ---------- */
.proto-code{margin-top:1rem;border-radius:18px;border:1px solid var(--b-line);background:var(--b-card)}
.proto-code summary{display:flex;align-items:center;gap:.75rem;padding:.9rem 1.1rem;cursor:pointer;list-style:none;font-size:.9375rem;color:var(--b-text)}
.proto-code summary::-webkit-details-marker{display:none}
.proto-code summary span{font-size:.8125rem;color:var(--b-text-3)}
.proto-code summary::after{content:"+";margin-left:auto;font-size:1.2rem;color:var(--b-text-3)}
.proto-code[open] summary::after{content:"−"}
.proto-code pre{margin:0;padding:1rem 1.1rem 1.25rem;border-top:1px solid var(--b-line);overflow-x:auto;font:400 .8125rem/1.65 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--b-text-2)}
.proto-code .c{color:var(--b-text-3)}