/* ================================================================== Design History — an additive, opt-in time machine. A vertical tab on the left edge opens a drawer listing every design era sdforest.site has lived through. Picking one re-tints the page by writing the era's tokens as INLINE custom properties on ; nothing is persisted, and "Back to current" removes them again. This file styles only its own `.dh-*` namespace. It must never restyle a single existing selector — the whole point is that the site is untouched when the drawer is closed. ================================================================== */ .dh-root { --dh-panel: rgba(9, 13, 10, .94); --dh-line: rgba(226, 235, 209, .14); --dh-ink: #f2efe4; --dh-dim: #8b9585; --dh-gold: #e8b86b; --dh-sans: "Alegreya Sans", "Gill Sans", "Segoe UI", system-ui, sans-serif; --dh-serif: "Cormorant Garamond", "Iowan Old Style", Georgia, serif; position: fixed; inset: 0 auto 0 0; width: 0; /* a zero-width rail; every child sizes itself */ z-index: 900; pointer-events: none; /* The drawer must read in the site's *own* voice even while the page behind it is wearing a historical palette, so it never inherits the era tokens it is previewing. */ color: var(--dh-ink); font-family: var(--dh-sans); } .dh-root *, .dh-root *::before, .dh-root *::after { box-sizing: border-box; } /* ---------------- The tab ---------------- */ .dh-tab { pointer-events: auto; position: absolute; top: 50%; left: 0; transform: translateY(-50%); display: flex; align-items: center; gap: 7px; margin: 0; padding: 13px 7px 13px 5px; border: 1px solid var(--dh-line); border-left: 0; border-radius: 0 9px 9px 0; background: var(--dh-panel); color: var(--dh-dim); font: 600 9.5px/1 var(--dh-sans); letter-spacing: .22em; text-transform: uppercase; writing-mode: vertical-rl; cursor: pointer; backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px); transition: color .25s ease, border-color .25s ease, padding-left .25s ease, background .25s ease; } .dh-tab:hover, .dh-tab:focus-visible { color: var(--dh-ink); border-color: rgba(232, 184, 107, .4); padding-left: 9px; } .dh-tab:focus-visible { outline: 2px solid var(--dh-gold); outline-offset: 2px; } .dh-tab .dh-rings { writing-mode: horizontal-tb; width: 11px; height: 11px; flex: 0 0 auto; } .dh-tab .dh-rings circle { fill: none; stroke: currentColor; stroke-width: 1.3; } /* A quiet gold pip marks "you are previewing an old era". */ .dh-tab::after { content: ""; writing-mode: horizontal-tb; width: 4px; height: 4px; border-radius: 50%; background: var(--dh-gold); box-shadow: 0 0 7px var(--dh-gold); opacity: 0; transition: opacity .3s ease; } .dh-root.is-previewing .dh-tab { color: var(--dh-ink); border-color: rgba(232, 184, 107, .45); } .dh-root.is-previewing .dh-tab::after, .dh-tab.dh-previewing::after { opacity: 1; } .dh-root.is-open .dh-tab:not(.dh-inline) { opacity: 0; pointer-events: none; } /* ---------------- The inline trigger ---------------- Mounted into a page's footer (or a [data-design-history-slot]) rather than floated at the left edge. It lives outside .dh-root, so it has to carry its own palette. */ .dh-tab.dh-inline { --dh-line: rgba(226, 235, 209, .14); --dh-ink: #f2efe4; --dh-dim: #8b9585; --dh-gold: #e8b86b; position: static; top: auto; left: auto; transform: none; display: inline-flex; min-height: 34px; padding: 8px 14px; border: 1px solid var(--dh-line); border-radius: 999px; background: rgba(255, 255, 255, .03); color: var(--dh-dim); font: 600 9.5px/1 var(--dh-sans, "Alegreya Sans", "Segoe UI", system-ui, sans-serif); letter-spacing: .18em; writing-mode: horizontal-tb; backdrop-filter: none; -webkit-backdrop-filter: none; transition: color .25s ease, border-color .25s ease, background .25s ease; } .dh-tab.dh-inline:hover, .dh-tab.dh-inline:focus-visible { padding-left: 14px; /* the edge-tab nudge would jitter a pill */ color: var(--dh-ink); border-color: rgba(232, 184, 107, .4); background: rgba(232, 184, 107, .08); } /* ---------------- The drawer ---------------- */ .dh-drawer { pointer-events: auto; position: absolute; top: 0; bottom: 0; left: 0; width: min(404px, 92vw); /* wide enough for a legible 16:9 capture */ display: flex; flex-direction: column; border-right: 1px solid var(--dh-line); background: var(--dh-panel); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); box-shadow: 28px 0 70px rgba(0, 0, 0, .5); transform: translateX(-102%); visibility: hidden; transition: transform .42s cubic-bezier(.22, .8, .3, 1), visibility 0s linear .42s; } .dh-root.is-open .dh-drawer { transform: none; visibility: visible; transition: transform .42s cubic-bezier(.22, .8, .3, 1), visibility 0s; } .dh-head { flex: 0 0 auto; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 20px 16px 14px 20px; border-bottom: 1px solid var(--dh-line); } .dh-title { margin: 0; font: 400 22px/1.1 var(--dh-serif); letter-spacing: .01em; } .dh-title em { font-style: italic; color: var(--dh-gold); } .dh-sub { margin: 5px 0 0; font: 500 9.5px/1.5 var(--dh-sans); letter-spacing: .16em; text-transform: uppercase; color: var(--dh-dim); } .dh-close { flex: 0 0 auto; width: 28px; height: 28px; margin: -2px -2px 0 0; padding: 0; display: grid; place-items: center; border: 1px solid var(--dh-line); border-radius: 7px; background: transparent; color: var(--dh-dim); font: 400 15px/1 var(--dh-sans); cursor: pointer; transition: color .2s ease, border-color .2s ease; } .dh-close:hover, .dh-close:focus-visible { color: var(--dh-ink); border-color: rgba(232, 184, 107, .45); } .dh-close:focus-visible { outline: 2px solid var(--dh-gold); outline-offset: 2px; } /* ---------------- The timeline of page states ---------------- Six captures down a spine, newest last. This used to be a changelog — numerals, prose and colour swatches — which told you what changed without ever showing you the page. The capture is the content now; provenance (the note, the commit) lives in the lightbox. */ .dh-list { flex: 1 1 auto; overflow-y: auto; overscroll-behavior: contain; margin: 0; padding: 10px 10px 16px; list-style: none; } .dh-timeline { position: relative; } /* The spine. Sits under the markers, inset to their centre line. */ .dh-timeline::before { content: ""; position: absolute; top: 14px; bottom: 20px; left: 17px; width: 1px; background: linear-gradient( 180deg, transparent, var(--dh-line) 6%, var(--dh-line) 94%, transparent ); } .dh-entry { position: relative; margin: 0 0 6px; padding-left: 26px; } /* Marker on the spine, tinted with that state's own accent. */ .dh-entry::before { content: ""; position: absolute; z-index: 1; top: 20px; left: 4px; width: 7px; height: 7px; border-radius: 50%; background: var(--dh-era-accent, var(--dh-gold)); box-shadow: 0 0 0 3px var(--dh-panel), 0 0 9px var(--dh-era-accent, var(--dh-gold)); } .dh-era { width: 100%; display: block; margin: 0; padding: 8px; border: 1px solid transparent; border-radius: 11px; background: transparent; color: inherit; font: inherit; text-align: left; cursor: pointer; transition: background .22s ease, border-color .22s ease; } .dh-era:hover { background: rgba(255, 255, 255, .035); border-color: var(--dh-line); } .dh-era:focus-visible { outline: 2px solid var(--dh-gold); outline-offset: -2px; } .dh-era[aria-pressed="true"] { background: rgba(232, 184, 107, .075); border-color: rgba(232, 184, 107, .34); } /* ---- the capture slot: always 16:9, filled or pending ---- */ .dh-shot { position: relative; display: block; aspect-ratio: 16 / 9; width: 100%; overflow: hidden; border: 1px solid var(--dh-line); border-radius: 8px; background: linear-gradient(135deg, rgba(255, 255, 255, .045), transparent 60%), var(--dh-panel); } /* Pinned rather than width/height:100% — a percentage height against a parent whose height comes from aspect-ratio does not resolve reliably, and the capture must fill its slot exactly. */ .dh-shot-img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; object-position: top center; } .dh-shot.has-shot .dh-shot-pending { display: none; } /* Placeholder: correctly sized and clearly labelled, so the timeline reads as complete-but-uncaptured rather than broken. */ .dh-shot-pending { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; background-image: repeating-linear-gradient( -45deg, rgba(255, 255, 255, .028) 0 7px, transparent 7px 14px ); text-align: center; } .dh-shot-numeral { font: 400 22px/1 var(--dh-serif); letter-spacing: .06em; color: var(--dh-era-accent, var(--dh-gold)); opacity: .85; } .dh-shot-note { max-width: 22ch; font: 500 8px/1.5 var(--dh-sans); letter-spacing: .16em; text-transform: uppercase; color: var(--dh-dim); } /* ---- the row's own label ---- */ .dh-era-top { display: flex; align-items: baseline; gap: 8px; margin-top: 9px; } .dh-era-numeral { flex: 0 0 auto; min-width: 20px; font: 500 10px/1 var(--dh-sans); letter-spacing: .14em; color: var(--dh-era-accent, var(--dh-gold)); } .dh-era-name { flex: 1 1 auto; font: 400 15.5px/1.2 var(--dh-serif); color: var(--dh-ink); } .dh-era-dates { display: block; margin: 3px 0 0 28px; font: 500 9px/1.4 var(--dh-sans); letter-spacing: .13em; text-transform: uppercase; color: var(--dh-dim); } /* ---- zoom affordance, sat over the capture's corner ---- */ .dh-zoom { position: absolute; top: 15px; right: 15px; width: 26px; height: 26px; display: grid; place-items: center; padding: 0; border: 1px solid var(--dh-line); border-radius: 7px; background: rgba(9, 13, 10, .74); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); color: var(--dh-ink); font: 400 12px/1 var(--dh-sans); cursor: pointer; opacity: 0; transition: opacity .2s ease, border-color .2s ease; } .dh-entry:hover .dh-zoom, .dh-zoom:focus-visible { opacity: 1; } .dh-zoom:hover { border-color: rgba(232, 184, 107, .5); } .dh-zoom:focus-visible { outline: 2px solid var(--dh-gold); outline-offset: 2px; } /* Touch has no hover to reveal it. */ @media (hover: none) { .dh-zoom { opacity: 1; } } /* ---------------- Snapshot lightbox ---------------- */ .dh-lightbox { pointer-events: auto; position: fixed; z-index: 2; inset: 0; display: grid; place-items: center; padding: 20px; background: rgba(3, 5, 4, .78); backdrop-filter: blur(9px); -webkit-backdrop-filter: blur(9px); } .dh-lightbox[hidden] { display: none; } .dh-lightbox-panel { position: relative; width: min(920px, 100%); max-height: 100%; overflow: auto; padding: 14px; border: 1px solid var(--dh-line); border-radius: 14px; background: var(--dh-panel); box-shadow: 0 30px 90px rgba(0, 0, 0, .6); } .dh-lightbox-frame { aspect-ratio: 16 / 9; display: grid; place-items: center; overflow: hidden; border: 1px solid var(--dh-line); border-radius: 10px; background: rgba(255, 255, 255, .02); } .dh-lightbox-frame img { display: block; width: 100%; height: 100%; object-fit: contain; } .dh-shot-pending--large { position: static; gap: 10px; } .dh-shot-pending--large .dh-shot-numeral { font-size: 34px; } .dh-shot-pending--large .dh-shot-note { max-width: 40ch; text-transform: none; letter-spacing: .04em; font-size: 10.5px; } .dh-shot-pending--large code { padding: 1px 5px; border-radius: 3px; background: rgba(255, 255, 255, .06); font-family: "Cascadia Code", Consolas, monospace; color: var(--dh-ink); } .dh-lightbox-meta { margin: 13px 2px 2px; } .dh-lightbox-title { margin: 0; font: 400 19px/1.2 var(--dh-serif); color: var(--dh-ink); } .dh-lightbox-dates { margin: 5px 0 0; font: 500 9px/1.4 var(--dh-sans); letter-spacing: .16em; text-transform: uppercase; color: var(--dh-era-accent, var(--dh-gold)); } .dh-lightbox-note { margin: 9px 0 0; max-width: 68ch; font: 400 12.5px/1.55 var(--dh-sans); color: #a9b3a2; } .dh-lightbox-close { position: absolute; top: 20px; right: 20px; z-index: 1; width: 30px; height: 30px; display: grid; place-items: center; padding: 0; border: 1px solid var(--dh-line); border-radius: 8px; background: rgba(9, 13, 10, .8); color: var(--dh-ink); font: 400 14px/1 var(--dh-sans); cursor: pointer; } .dh-lightbox-close:hover { border-color: rgba(232, 184, 107, .5); } .dh-lightbox-close:focus-visible { outline: 2px solid var(--dh-gold); outline-offset: 2px; } .dh-current-pill { margin-left: 8px; padding: 2px 6px; border-radius: 999px; border: 1px solid rgba(143, 230, 174, .35); font: 600 8px/1.4 var(--dh-sans); letter-spacing: .14em; text-transform: uppercase; color: #8fe6ae; white-space: nowrap; } /* ---------------- Footer ---------------- */ .dh-foot { flex: 0 0 auto; display: grid; gap: 8px; padding: 12px 14px 15px; border-top: 1px solid var(--dh-line); } .dh-reset { padding: 9px 12px; border: 1px solid rgba(232, 184, 107, .4); border-radius: 8px; background: rgba(232, 184, 107, .08); color: var(--dh-ink); font: 600 10px/1 var(--dh-sans); letter-spacing: .14em; text-transform: uppercase; cursor: pointer; transition: background .2s ease, opacity .25s ease; } .dh-reset:hover { background: rgba(232, 184, 107, .16); } .dh-reset:focus-visible { outline: 2px solid var(--dh-gold); outline-offset: 2px; } .dh-reset[hidden] { display: none; } /* WCAG 2.2 AA 2.5.8: at 9.5px/1.4 this measured 169x14, under the 24x24 minimum. padding-block grows the hit area to ~25px and the matching negative margin keeps the drawer's grid rhythm exactly as it was. The hover underline moves from border-bottom to text-decoration so it stays on the baseline instead of drifting down to the new padding edge. */ .dh-archive { justify-self: start; color: var(--dh-dim); font: 500 9.5px/1.4 var(--dh-sans); letter-spacing: .13em; text-transform: uppercase; text-decoration: none; padding-block: 6px; margin-block: -6px; text-underline-offset: 3px; transition: color .2s ease, text-decoration-color .2s ease; } .dh-archive:hover, .dh-archive:focus-visible { color: var(--dh-gold); text-decoration: underline; text-decoration-color: rgba(232, 184, 107, .5); } .dh-hint { margin: 0; font: 400 10.5px/1.45 var(--dh-sans); color: var(--dh-dim); } /* ---------------- Preview banner ---------------- */ .dh-banner { pointer-events: auto; position: fixed; left: 50%; bottom: 18px; transform: translate(-50%, 130%); display: flex; align-items: center; gap: 12px; padding: 8px 9px 8px 15px; border: 1px solid rgba(232, 184, 107, .34); border-radius: 999px; background: var(--dh-panel); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 16px 44px rgba(0, 0, 0, .5); font: 500 11px/1 var(--dh-sans); color: #a9b3a2; white-space: nowrap; max-width: 92vw; overflow: hidden; transition: transform .38s cubic-bezier(.22, .8, .3, 1); } .dh-root.is-previewing .dh-banner { transform: translate(-50%, 0); } .dh-banner b { color: var(--dh-ink); font-weight: 600; } .dh-banner button { padding: 6px 11px; border: 1px solid var(--dh-line); border-radius: 999px; background: transparent; color: var(--dh-ink); font: 600 9.5px/1 var(--dh-sans); letter-spacing: .1em; text-transform: uppercase; cursor: pointer; transition: border-color .2s ease, background .2s ease; } .dh-banner button:hover { border-color: rgba(232, 184, 107, .5); background: rgba(232, 184, 107, .1); } .dh-banner button:focus-visible { outline: 2px solid var(--dh-gold); outline-offset: 2px; } /* ---------------- Small screens ---------------- */ @media (max-width: 640px) { .dh-tab { padding: 10px 6px 10px 4px; font-size: 8.5px; letter-spacing: .18em; } .dh-banner { font-size: 10px; gap: 9px; padding-left: 13px; } } @media (prefers-reduced-motion: reduce) { .dh-root .dh-tab, .dh-root .dh-drawer, .dh-root .dh-banner, .dh-root .dh-era { transition: none; } }