/* /timeline: the DesignTech development timeline in the site's DesignTech look (dark navy, Poppins +
   Roboto Slab, the cyan-violet-magenta accent). The three accent colors mark the three code generations. */

@font-face { font-family: "Poppins"; font-weight: 400; font-display: swap; src: url("/fonts/poppins-400.woff2") format("woff2"); }
@font-face { font-family: "Poppins"; font-weight: 500; font-display: swap; src: url("/fonts/poppins-500.woff2") format("woff2"); }
@font-face { font-family: "Poppins"; font-weight: 600; font-display: swap; src: url("/fonts/poppins-600.woff2") format("woff2"); }
@font-face { font-family: "Roboto Slab"; font-weight: 400 700; font-display: swap; src: url("/fonts/roboto-slab.woff2") format("woff2"); }

:root {
  color-scheme: dark;
  --bg: #060b1f;
  --fg: #eef2f8;
  --fg-2: #c3cad8;
  --muted: #9aa6bb;
  --card: rgba(16, 24, 54, 0.72);
  --card-2: rgba(22, 32, 70, 0.86);
  --edge: rgba(226, 232, 255, 0.1);
  --edge-2: rgba(226, 232, 255, 0.18);
  --primary: #5b8cff;
  --primary-ink: #a9c3ff;
  --live: #43d9a0;
  --built: #f5c35b;
  --superseded: #c4b5fd;
  --dropped: #a3adbf;
  --v1: #06b6d4;
  --v2: #8b5cf6;
  --v3: #d946ef;
  --grad: linear-gradient(90deg, #06b6d4, #3b82f6 35%, #8b5cf6 65%, #d946ef);
  --font-body: "Poppins", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-heading: "Roboto Slab", ui-serif, Georgia, serif;
  --wrap: 1320px;
  --gutter: clamp(16px, 3vw, 40px);
  --radius: 12px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(60rem 40rem at 90% -10%, rgba(101, 65, 206, 0.16), transparent 60%),
    radial-gradient(50rem 35rem at 0% 40%, rgba(6, 182, 212, 0.06), transparent 60%),
    var(--bg);
  color: var(--fg);
  font: 400 16px/1.6 var(--font-body);
  letter-spacing: -0.003em;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary-ink); text-underline-offset: 0.2em; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid #8fb0ff; outline-offset: 3px; border-radius: 6px; }
.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; }
.skip-link { position: fixed; z-index: 60; top: 0.75rem; left: 0.75rem; padding: 0.6rem 0.9rem; border-radius: 8px; background: var(--primary); color: #fff; transform: translateY(-220%); }
.skip-link:focus { transform: none; }

/* ================= Bar ================= */

.tl-bar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.35rem var(--gutter);
  border-bottom: 1px solid var(--edge);
  background: rgba(6, 11, 31, 0.86);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.tl-home { display: inline-flex; align-items: center; gap: 0.5rem; min-height: 44px; color: var(--fg); text-decoration: none; font-size: 0.92rem; }
.tl-name { font-family: var(--font-heading); font-weight: 600; font-size: 1.02rem; }
.tl-sep { color: var(--muted); }
.tl-role { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 600; }
.tl-nav { display: flex; gap: 0.25rem; }
.tl-nav a { display: inline-flex; align-items: center; gap: 0.35rem; min-height: 44px; padding: 0 0.8rem; border-radius: 10px; color: var(--fg-2); font-size: 0.88rem; text-decoration: none; }
.tl-nav a:hover { background: rgba(226, 232, 255, 0.06); color: var(--fg); }
.tl-nav a:last-child { border: 1px solid var(--edge-2); }

/* ================= Head ================= */

.tl-main { max-width: var(--wrap); margin: 0 auto; padding: 2.5rem var(--gutter) 3rem; }
.tl-eyebrow { margin: 0 0 0.6rem; color: var(--primary-ink); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }
.tl-title { margin: 0 0 0.75rem; font-family: var(--font-heading); font-size: clamp(1.85rem, 3.4vw, 2.75rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1.12; }
.tl-lede { max-width: 72ch; margin: 0 0 1.5rem; color: var(--fg-2); font-size: 1.02rem; }
.tl-stats { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 0 0 2rem; }
.tl-stats > div { display: flex; flex-direction: column-reverse; min-width: 9.5rem; padding: 0.7rem 1rem; border: 1px solid var(--edge); border-radius: var(--radius); background: var(--card); }
.tl-stats dt { color: var(--muted); font-size: 0.78rem; }
.tl-stats dd { margin: 0; font-family: var(--font-heading); font-size: 1.6rem; font-weight: 600; line-height: 1.2; font-variant-numeric: tabular-nums; }
.tl-stats > div:first-child dd { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; width: fit-content; }

.tl-h2 { margin: 0; font-family: var(--font-heading); font-size: 1.15rem; font-weight: 600; letter-spacing: -0.01em; }

/* ================= Chart ================= */

.tl-chart { margin: 0 0 2.25rem; padding: 1.1rem 1.25rem 0.6rem; border: 1px solid var(--edge); border-radius: 16px; background: rgba(10, 18, 48, 0.55); }
.tl-chart-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0.5rem 1.5rem; margin-bottom: 0.4rem; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 0.35rem 1.1rem; margin: 0; padding: 0; list-style: none; color: var(--fg-2); font-size: 0.8rem; }
.chart-legend li { display: inline-flex; align-items: center; gap: 0.45rem; }
.lg-axis { color: var(--muted); font-size: 0.72rem; }
.lg-bar { width: 10px; height: 12px; border-radius: 2px; background: var(--primary); }
.lg-step { width: 18px; height: 8px; border: 2px solid var(--live); border-left: 0; border-bottom: 0; transform: translateY(2px); }
.lg-gens { display: inline-flex; gap: 2px; }
.lg-gens i { width: 9px; height: 5px; border-radius: 3px; }
.lg-gens .gen-v1 { background: var(--v1); } .lg-gens .gen-v2 { background: var(--v2); } .lg-gens .gen-v3 { background: var(--v3); }

.chart { position: relative; min-height: 0; }
.chart-svg { display: block; width: 100%; height: auto; overflow: visible; font-family: var(--font-body); }
.c-gridline { stroke: rgba(226, 232, 255, 0.07); }
.c-baseline { stroke: rgba(226, 232, 255, 0.22); }
.c-tick { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.c-tick-live { fill: rgba(67, 217, 160, 0.85); }
.c-hot, .c-sel { fill: rgba(226, 232, 255, 0.045); opacity: 0; transition: opacity 0.15s, x 0.2s var(--ease); }
.c-sel { fill: rgba(91, 140, 255, 0.12); stroke: rgba(91, 140, 255, 0.45); }
.c-hot.is-shown, .c-sel.is-shown { opacity: 1; }
.c-bar { fill: var(--primary); opacity: 0.78; transition: opacity 0.15s, fill 0.15s; }
.c-bar.is-partial { fill: var(--primary); opacity: 0.5; stroke: var(--primary-ink); stroke-dasharray: 3 3; }
.c-bar.is-off { opacity: 0.32; }
.c-bar.is-on { opacity: 1; fill: #8fb0ff; }
.c-val { fill: var(--fg-2); font-size: 11px; font-variant-numeric: tabular-nums; transition: opacity 0.15s; }
.c-val.is-on { fill: var(--fg); font-weight: 600; }
.c-val.is-hidden { opacity: 0; }
.c-month { fill: var(--muted); font-size: 12px; }
.c-month.is-on { fill: var(--fg); font-weight: 600; }
.c-step { fill: none; stroke: var(--live); stroke-width: 2.25; stroke-linejoin: round; }
.c-dot { fill: var(--bg); stroke: var(--live); stroke-width: 2; transition: r 0.15s; }
.c-dot.is-on { fill: var(--live); r: 5; }
.c-dotval { fill: var(--live); font-size: 11px; font-weight: 600; opacity: 0; transition: opacity 0.15s; paint-order: stroke; stroke: var(--bg); stroke-width: 4px; }
.c-dotval.is-on { opacity: 1; }
.c-genline { stroke-width: 1.25; stroke-dasharray: 2 4; opacity: 0.75; }
.c-genline.gen-v1 { stroke: var(--v1); } .c-genline.gen-v2 { stroke: var(--v2); } .c-genline.gen-v3 { stroke: var(--v3); }
.c-ribbon.gen-v1 { fill: var(--v1); } .c-ribbon.gen-v2 { fill: var(--v2); } .c-ribbon.gen-v3 { fill: var(--v3); }
.c-genlabel { font-size: 11.5px; font-weight: 500; }
.c-genlabel.gen-v1 { fill: #67e8f9; } .c-genlabel.gen-v2 { fill: #c4b5fd; } .c-genlabel.gen-v3 { fill: #f0abfc; }
.c-band { fill: transparent; cursor: pointer; }

.chart-table { width: 100%; margin: 0.5rem 0 0.75rem; border-collapse: collapse; font-size: 0.88rem; font-variant-numeric: tabular-nums; }
.chart-table caption { padding-bottom: 0.4rem; color: var(--muted); font-size: 0.8rem; text-align: left; }
.chart-table th, .chart-table td { padding: 0.35rem 0.5rem; border-bottom: 1px solid var(--edge); text-align: left; }
.chart-table thead th { color: var(--muted); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.has-chart .chart-table-wrap { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.tl-chart { position: relative; }
.js .chart:empty { min-height: 268px; }

/* ================= Tools ================= */

.tl-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem 1.5rem; margin-bottom: 0.35rem; }
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.75rem; }
.filters[hidden] { display: none; }
.filters-label { margin: 0; color: var(--muted); font-size: 0.8rem; }
.filter-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.filter {
  display: inline-flex; align-items: center; gap: 0.45rem; min-height: 44px; padding: 0 0.85rem;
  border: 1px solid var(--edge-2); border-radius: 999px; background: rgba(16, 24, 54, 0.5);
  color: var(--fg-2); font-size: 0.85rem; cursor: pointer; transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.filter:hover { border-color: rgba(143, 176, 255, 0.55); color: var(--fg); }
.filter-dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.filter-live .filter-dot { background: var(--live); } .filter-built .filter-dot { background: var(--built); }
.filter-superseded .filter-dot { background: var(--superseded); } .filter-dropped .filter-dot { background: var(--dropped); }
.filter-n { min-width: 1.4em; padding: 0 0.35em; border-radius: 6px; background: rgba(226, 232, 255, 0.08); color: var(--muted); font-size: 0.75rem; text-align: center; font-variant-numeric: tabular-nums; }
.filter[aria-pressed="true"] { border-color: rgba(143, 176, 255, 0.8); background: rgba(91, 140, 255, 0.2); color: var(--fg); }
.filter[aria-pressed="true"] .filter-n { background: rgba(226, 232, 255, 0.16); color: var(--fg); }
.filter-live[aria-pressed="true"] { border-color: rgba(67, 217, 160, 0.7); background: rgba(67, 217, 160, 0.14); }
.filter-built[aria-pressed="true"] { border-color: rgba(245, 195, 91, 0.7); background: rgba(245, 195, 91, 0.13); }
.filter-superseded[aria-pressed="true"] { border-color: rgba(196, 181, 253, 0.7); background: rgba(196, 181, 253, 0.13); }
.filter-dropped[aria-pressed="true"] { border-color: rgba(163, 173, 191, 0.7); background: rgba(163, 173, 191, 0.13); }
.filter-clear { border-style: dashed; }
.filter-clear[hidden] { display: none; }
.filters-count { margin: 0; min-width: 15em; color: var(--muted); font-size: 0.82rem; font-variant-numeric: tabular-nums; }
.tl-hint { margin: 0 0 1rem; color: var(--muted); font-size: 0.85rem; }
.tl-hint { display: none; }
.js .tl-hint { display: block; }

/* ================= Chips ================= */

.chip {
  display: inline-block; padding: 0.05em 0.45em; border: 1px solid; border-radius: 4px;
  font-size: 0.62rem; font-weight: 600; letter-spacing: 0.08em; line-height: 1.5; text-transform: uppercase; vertical-align: 0.12em; white-space: nowrap;
}
.chip-live { border-color: rgba(67, 217, 160, 0.45); background: rgba(67, 217, 160, 0.12); color: var(--live); }
.chip-built { border-color: rgba(245, 195, 91, 0.5); background: rgba(245, 195, 91, 0.12); color: var(--built); }
.chip-superseded { border-color: rgba(196, 181, 253, 0.45); background: rgba(196, 181, 253, 0.1); color: var(--superseded); }
.chip-dropped { border-color: rgba(163, 173, 191, 0.45); border-style: dashed; background: transparent; color: var(--dropped); }
.chip-milestone { border-color: transparent; background: linear-gradient(rgba(10, 18, 48, 1), rgba(10, 18, 48, 1)) padding-box, var(--grad) border-box; color: #f0abfc; }

/* ================= Month grid ================= */

.months { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0.75rem; align-items: start; }
.month {
  position: relative; min-width: 0; height: 100%;
  padding: 0.9rem 0.95rem 1rem;
  border: 1px solid var(--edge); border-top: 3px solid var(--edge-2); border-radius: 4px 4px var(--radius) var(--radius);
  background: var(--card);
  transition: border-color 0.15s, background 0.15s, transform 0.2s var(--ease), opacity 0.2s;
}
.month.gen-v1 { border-top-color: var(--v1); } .month.gen-v2 { border-top-color: var(--v2); } .month.gen-v3 { border-top-color: var(--v3); }
.js .month[data-month] { cursor: pointer; }
.month.is-hot { border-color: rgba(143, 176, 255, 0.5); background: var(--card-2); }
.month.is-selected { border-color: rgba(143, 176, 255, 0.85); background: var(--card-2); box-shadow: 0 0 0 1px rgba(143, 176, 255, 0.35), 0 12px 30px -12px rgba(59, 130, 246, 0.45); }
.month.is-quiet { opacity: 0.55; }

.m-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem; margin: 0; font-family: var(--font-heading); font-size: 1.35rem; font-weight: 600; line-height: 1.2; }
.m-hit { color: var(--fg); text-decoration: none; }
.m-hit::after { content: ""; position: absolute; inset: -1px; border-radius: inherit; }
.m-hit:focus-visible { outline: none; }
.month:has(.m-hit:focus-visible) { outline: 2px solid #8fb0ff; outline-offset: 3px; }
.m-flag { padding: 0.1em 0.5em; border: 1px solid rgba(169, 195, 255, 0.4); border-radius: 999px; color: var(--primary-ink); font-family: var(--font-body); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.04em; white-space: nowrap; }
.m-gen { display: flex; align-items: center; gap: 0.4rem; margin: 0.25rem 0 0; color: var(--fg-2); font-size: 0.72rem; font-weight: 500; }
.gen-dot { flex: none; width: 8px; height: 8px; border-radius: 50%; }
.gen-dot.gen-v1 { background: var(--v1); } .gen-dot.gen-v2 { background: var(--v2); } .gen-dot.gen-v3 { background: var(--v3); }
.m-theme { margin: 0.3rem 0 0.2rem; font-weight: 600; font-size: 0.92rem; line-height: 1.3; }
.m-stats { margin: 0 0 0.55rem; color: var(--muted); font-size: 0.74rem; font-variant-numeric: tabular-nums; }
.m-items { display: grid; gap: 0.18rem; margin: 0; padding: 0; list-style: none; }
.m-item { color: var(--fg-2); font-size: 0.82rem; line-height: 1.4; transition: opacity 0.15s; }
.m-item[data-status="dropped"] .m-item-name, .m-item[data-status="superseded"] .m-item-name { color: var(--muted); }
.m-item.is-dim, .d-item.is-dim { opacity: 0.22; }
.m-empty { margin: 0; color: var(--muted); font-size: 0.82rem; }

.month-key { border-top-color: transparent; background: transparent; border-style: dashed; border-top-style: solid; border-top-width: 3px; border-top-color: rgba(226, 232, 255, 0.08); }
.month-key .m-head { font-size: 1rem; margin-bottom: 0.5rem; }
.key-list, .key-gens { display: grid; gap: 0.35rem; margin: 0; padding: 0; list-style: none; color: var(--fg-2); font-size: 0.76rem; line-height: 1.35; }
.key-list li .chip { margin-right: 0.3rem; }
.key-gens { margin-top: 0.75rem; padding-top: 0.65rem; border-top: 1px solid var(--edge); }
.key-gens li { display: flex; align-items: center; gap: 0.4rem; }
.key-gens strong { color: var(--fg); font-weight: 600; }

/* ================= Detail ================= */

.detail { grid-column: 1 / -1; scroll-margin-top: 72px; }
.month { scroll-margin-top: 72px; }
.detail[hidden] { display: none; }
.d-inner {
  position: relative; padding: 1.25rem 1.4rem 1.3rem;
  border: 1px solid rgba(143, 176, 255, 0.45); border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(59, 130, 246, 0.12), rgba(139, 92, 246, 0.1) 55%, rgba(217, 70, 239, 0.07)), rgba(12, 20, 52, 0.94);
}
.detail.is-in .d-inner { animation: d-in 0.22s var(--ease); }
@keyframes d-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.d-head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 0.75rem 1.5rem; }
.d-kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin: 0 0 0.2rem; color: var(--primary-ink); font-size: 0.76rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; }
.d-kicker .m-flag { letter-spacing: 0.04em; text-transform: none; }
.d-title { margin: 0; font-family: var(--font-heading); font-size: clamp(1.3rem, 2.2vw, 1.65rem); font-weight: 600; letter-spacing: -0.015em; line-height: 1.2; }
.d-title:focus { outline: none; }
.d-nav { display: flex; gap: 0.35rem; }
.d-btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.35rem; min-width: 44px; min-height: 44px; padding: 0 0.7rem; border: 1px solid var(--edge-2); border-radius: 10px; background: rgba(6, 11, 31, 0.5); color: var(--fg-2); font-size: 0.85rem; cursor: pointer; }
.d-btn:hover:not([disabled]) { border-color: rgba(143, 176, 255, 0.6); color: var(--fg); }
.d-btn[disabled] { opacity: 0.35; cursor: default; }
.d-close { font-size: 1.3rem; line-height: 1; }
.d-stats { display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; margin: 0.9rem 0 0.4rem; }
.d-stats > div { display: flex; flex-direction: column-reverse; }
.d-stats dt { color: var(--muted); font-size: 0.74rem; }
.d-stats dd { margin: 0; font-family: var(--font-heading); font-size: 1.3rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.d-stats > div:nth-child(3) dd, .d-stats > div:nth-child(4) dd { color: var(--live); }
.d-gen { display: flex; flex-wrap: wrap; align-items: center; gap: 0.25rem 0.5rem; margin: 0.6rem 0 0; color: var(--fg-2); font-size: 0.86rem; }
.d-items { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); gap: 0.6rem 1.5rem; margin: 1rem 0 0; padding: 0; list-style: none; }
.d-item { padding-top: 0.6rem; border-top: 1px solid var(--edge); transition: opacity 0.15s; }
.d-item-head { margin: 0; line-height: 1.35; }
.d-item-head strong { margin-right: 0.3rem; font-weight: 600; font-size: 0.95rem; }
.d-item-desc { margin: 0.2rem 0 0; color: var(--fg-2); font-size: 0.86rem; line-height: 1.5; }
.d-item[data-status="dropped"] strong, .d-item[data-status="superseded"] strong { color: var(--fg-2); }
.d-none { margin: 1rem 0 0; color: var(--muted); }
.d-notes { margin: 1rem 0 0; padding: 0.75rem 0 0 1.1rem; border-top: 1px solid var(--edge); color: var(--muted); font-size: 0.82rem; }
.d-notes li + li { margin-top: 0.2rem; }

/* ================= No-JS detail, method, footer ================= */

.tl-all { margin-top: 2rem; }
.tl-all h2 { font-family: var(--font-heading); font-size: 1.15rem; }
.tl-all h3 { margin: 1.4rem 0 0.1rem; font-family: var(--font-heading); font-size: 1rem; }
.tl-all p { margin: 0 0 0.4rem; color: var(--muted); font-size: 0.85rem; }
.tl-all ul { margin: 0; padding-left: 1.1rem; color: var(--fg-2); font-size: 0.88rem; }
.tl-all li { margin: 0.2rem 0; }

.tl-method { max-width: 78ch; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--edge); }
.tl-method p { margin: 0.6rem 0 0; color: var(--fg-2); font-size: 0.88rem; }
.tl-foot { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.25rem 0.6rem; padding: 1.5rem var(--gutter) 2.5rem; color: var(--muted); font-size: 0.85rem; }
.tl-foot a { display: inline-flex; align-items: center; min-height: 44px; color: var(--fg-2); }

/* ================= Responsive ================= */

@media (max-width: 1199px) { .months { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 899px) {
  .months { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tl-chart { padding: 0.9rem 0.75rem 0.4rem; }
}
@media (max-width: 599px) {
  .tl-main { padding-top: 1.5rem; }
  .hide-sm { display: none; }
  .tl-role { font-size: 0.86rem; }
  .tl-home { gap: 0.35rem; }
  .tl-name { font-size: 0.95rem; }
  .tl-nav a { padding: 0 0.6rem; }
  .tl-nav a:first-child { display: none; }
  .tl-stats { display: grid; grid-template-columns: 1fr 1fr; }
  .tl-stats > div { min-width: 0; }
  .tl-chart { margin-inline: calc(var(--gutter) * -0.5); border-radius: 14px; }
  .months { grid-template-columns: minmax(0, 1fr); gap: 0.6rem; }
  .month { height: auto; }
  .js .month.is-selected .m-items { display: none; }
  .m-item { font-size: 0.86rem; }
  .filters { width: 100%; }
  .filters-label { display: none; }
  .filters-count { min-width: 0; }
  .d-inner { padding: 1rem 1rem 1.1rem; }
  .d-head { flex-direction: column-reverse; align-items: stretch; }
  .d-nav { justify-content: space-between; }
  .d-nav .d-close { margin-left: auto; order: 3; }
  .d-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* ================= Print: the full grid, like the slide ================= */

@media print {
  @page { size: landscape; margin: 10mm; }
  :root { --fg: #111; --fg-2: #222; --muted: #555; --edge: #ccc; --edge-2: #999; --live: #137a4c; --built: #8a5a00; --superseded: #5b3fb0; --dropped: #555; --v1: #0891b2; --v2: #7c3aed; --v3: #c026d3; }
  html { background: #fff; color-scheme: light; }
  body { background: #fff; color: #111; font-size: 10pt; }
  .m-flag { color: #333; border-color: #999; }
  .tl-bar, .skip-link, .tl-chart, .tl-tools .filters, .tl-hint, .detail, .tl-foot, .tl-all { display: none !important; }
  .tl-main { max-width: none; padding: 0; }
  .tl-eyebrow { color: #555; }
  .tl-title { font-size: 18pt; margin-bottom: 2pt; }
  .tl-eyebrow { margin-bottom: 2pt; font-size: 7pt; }
  .tl-months .tl-tools { display: none; }
  .m-items { gap: 0; }
  .m-gen { font-size: 7pt; margin-top: 1pt; }
  .tl-lede { max-width: none; margin-bottom: 8pt; color: #333; font-size: 9pt; line-height: 1.35; }
  .tl-stats { display: none; }
  .tl-tools { margin-bottom: 4pt; }
  .months { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6pt; }
  .month { break-inside: avoid; padding: 5pt 6pt; border: 0; border-top: 2.5pt solid #111; border-radius: 0; background: none; box-shadow: none; opacity: 1 !important; }
  .month.gen-v1 { border-top-color: var(--v1); } .month.gen-v2 { border-top-color: var(--v2); } .month.gen-v3 { border-top-color: var(--v3); }
  .month-key { border-top: 2.5pt solid #ccc; }
  .m-head { font-size: 12pt; }
  .m-hit { color: #111; }
  .m-theme { margin: 1pt 0; font-size: 8pt; line-height: 1.2; }
  .m-stats { margin-bottom: 3pt; font-size: 6.5pt; line-height: 1.25; }
  .m-item { font-size: 7pt; line-height: 1.3; opacity: 1 !important; color: #222; }
  .chip { background: none !important; font-size: 5pt; padding: 0 2pt; letter-spacing: 0.04em; }
  .month { height: auto; }
  .key-list, .key-gens { font-size: 6.5pt; gap: 1pt; }
  .chip-milestone { border-color: #c026d3; color: #c026d3; }
  .tl-method { max-width: none; margin-top: 8pt; padding-top: 4pt; break-before: avoid; }
  .tl-method p { font-size: 7.5pt; margin-top: 2pt; color: #444; }
  .tl-method .tl-h2 { font-size: 9pt; }
  a { color: inherit; text-decoration: none; }
}