/* MX Bikes Betas Archive – shared styles (index + download page) */

:root {
  color-scheme: dark;
  --bg: #0b0c0f;
  --bg-elev: #13151a;
  --bg-elev-2: #1a1d24;
  --line: rgba(255, 255, 255, .08);
  --line-strong: rgba(255, 255, 255, .16);
  --text: #eceef2;
  --text-dim: #9aa1ad;
  --text-faint: #6b7280;
  --accent: #ff7a1a;
  --accent-2: #ffb020;
  --accent-ink: #1a0d00;
  --ok: #3ddc97;
  --fix: #60a5fa;
  --new: #3ddc97;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 0 rgba(255,255,255,.04) inset, 0 20px 40px -20px rgba(0,0,0,.6);
  --font: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f6f6f4;
    --bg-elev: #ffffff;
    --bg-elev-2: #f0f0ed;
    --line: rgba(0, 0, 0, .08);
    --line-strong: rgba(0, 0, 0, .16);
    --text: #15171c;
    --text-dim: #5b6270;
    --text-faint: #8a909b;
    --accent: #e85d00;
    --accent-2: #f59e0b;
    --accent-ink: #ffffff;
    --fix: #2563eb;
    --new: #059669;
    --shadow: 0 1px 2px rgba(0,0,0,.04), 0 12px 32px -16px rgba(0,0,0,.18);
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 190px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 15px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
::selection { background: color-mix(in oklab, var(--accent) 35%, transparent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }

/* Top bar */
.topbar { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  background: color-mix(in oklab, var(--bg) 72%, transparent); border-bottom: 1px solid var(--line); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; letter-spacing: -.01em; }
.brand-mark { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-ink); font: 700 13px/1 var(--font); }
.brand small { color: var(--text-dim); font-weight: 500; }
.nav { display: flex; gap: 4px; }
.nav a { text-decoration: none; color: var(--text-dim); font-size: 14px; padding: 8px 12px; border-radius: 999px; transition: background .15s, color .15s; }
.nav a:hover { color: var(--text); background: var(--bg-elev-2); }

/* Buttons */
.btn { --h: 40px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: var(--h); padding: 0 16px;
  border-radius: 999px; border: 1px solid var(--line-strong); background: var(--bg-elev); color: var(--text);
  font: 500 14px/1 var(--font); text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: transform .12s ease, background .15s, border-color .15s, box-shadow .15s; }
.btn:hover { background: var(--bg-elev-2); border-color: var(--text-faint); }
.btn:active { transform: scale(.97); }
.btn svg { width: 16px; height: 16px; flex: none; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-ink); border-color: transparent;
  box-shadow: 0 8px 24px -10px color-mix(in oklab, var(--accent) 70%, transparent); font-weight: 600; }
.btn-primary:hover { background: linear-gradient(135deg, var(--accent), var(--accent-2)); filter: brightness(1.06); border-color: transparent; }
.btn-lg { --h: 52px; padding: 0 24px; font-size: 16px; }
.btn-icon { width: var(--h); padding: 0; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-dim); }
.btn-ghost:hover { color: var(--text); }

/* Hero */
.hero { padding: 40px 0 24px; }
.hero h1 { font-size: clamp(26px, 4vw, 34px); line-height: 1.15; letter-spacing: -.02em; font-weight: 700; margin: 0 0 8px; }
.hero p.lead { font-size: 16px; color: var(--text-dim); max-width: 640px; margin: 0; }

/* Cards */
.card { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }

.latest { position: relative; padding: 28px; display: grid; grid-template-columns: 1fr auto; gap: 24px 32px; align-items: start; overflow: hidden; }
.latest { border-left: 3px solid var(--accent); }
.latest-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 6px; }
.latest h2 { margin: 0; font-size: clamp(26px, 4vw, 36px); letter-spacing: -.03em; line-height: 1.1; }
.latest .meta { color: var(--text-dim); font-size: 14px; display: flex; flex-wrap: wrap; gap: 6px 16px; margin-bottom: 18px; }
.latest .actions { display: flex; flex-direction: column; gap: 10px; align-items: stretch; min-width: 220px; }
.latest .actions small { color: var(--text-faint); text-align: center; font-size: 12px; }

.badge { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 10px; border-radius: 999px; font: 600 11px/1 var(--mono);
  letter-spacing: .04em; text-transform: uppercase; border: 1px solid var(--line-strong); color: var(--text-dim); }
.badge-accent { color: var(--accent); border-color: color-mix(in oklab, var(--accent) 45%, transparent); background: color-mix(in oklab, var(--accent) 10%, transparent); }

/* Changelog */
.changes { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.changes li { display: grid; grid-template-columns: 44px 1fr; gap: 10px; align-items: baseline; font-size: 14px; }
.changes .tag { font: 600 10.5px/1 var(--mono); text-transform: uppercase; letter-spacing: .05em; padding: 4px 0; text-align: center; border-radius: 6px;
  color: var(--text-dim); background: var(--bg-elev-2); }
.changes .tag-fix { color: var(--fix); background: color-mix(in oklab, var(--fix) 12%, transparent); }
.changes .tag-new { color: var(--new); background: color-mix(in oklab, var(--new) 12%, transparent); }
.changes .empty { color: var(--text-faint); font-size: 14px; }

/* Toolbar */
.toolbar { position: sticky; top: 60px; z-index: 40; padding: 14px 0; margin-top: 48px;
  background: color-mix(in oklab, var(--bg) 88%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 0 0 100vmax color-mix(in oklab, var(--bg) 88%, transparent), 0 1px 0 100vmax var(--line); clip-path: inset(0 -100vmax -1px); }
.toolbar-inner { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.search { position: relative; flex: 1 1 260px; }
.search svg { position: absolute; left: 14px; top: 50%; translate: 0 -50%; width: 16px; height: 16px; color: var(--text-faint); pointer-events: none; }
.search input { width: 100%; height: 44px; padding: 0 44px 0 40px; border-radius: 999px; border: 1px solid var(--line-strong);
  background: var(--bg-elev); color: var(--text); font: 400 15px var(--font); transition: border-color .15s, box-shadow .15s; }
.search input::placeholder { color: var(--text-faint); }
.search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 18%, transparent); }
.search kbd { position: absolute; right: 12px; top: 50%; translate: 0 -50%; font: 500 11px/1 var(--mono); color: var(--text-faint);
  border: 1px solid var(--line-strong); border-radius: 6px; padding: 4px 7px; }
.search input:focus ~ kbd, .search input:not(:placeholder-shown) ~ kbd { display: none; }
.chips { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; padding: 2px; }
.chips::-webkit-scrollbar { display: none; }
.chip { height: 36px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--bg-elev); color: var(--text-dim);
  font: 500 13px/1 var(--font); cursor: pointer; white-space: nowrap; transition: all .15s; }
.chip:hover { color: var(--text); }
.chip[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.result-count { color: var(--text-faint); font-size: 13px; margin-left: auto; font-variant-numeric: tabular-nums; }

/* Release list */
.group-title { display: flex; align-items: baseline; gap: 12px; margin: 32px 0 12px; font: 600 13px/1 var(--mono); color: var(--text-faint);
  letter-spacing: .06em; text-transform: uppercase; }
.group-title::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.releases { display: grid; gap: 10px; }
.release { padding: 0; transition: border-color .2s, background .2s; }
.release:hover { border-color: var(--line-strong); }
.release:target { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 16%, transparent), var(--shadow); }
.release-row { display: grid; grid-template-columns: minmax(0, 1fr) 130px 110px auto; gap: 16px; align-items: center; padding: 14px 14px 14px 20px; }
.release-name { display: flex; align-items: center; gap: 10px; min-width: 0; }
.release-name h3 { margin: 0; font: 600 17px/1.2 var(--font); letter-spacing: -.01em; }
.release-name a.anchor { opacity: 0; color: var(--text-faint); text-decoration: none; transition: opacity .15s; font-size: 15px; }
.release:hover a.anchor, a.anchor:focus-visible { opacity: 1; }
.cell { color: var(--text-dim); font-size: 14px; font-variant-numeric: tabular-nums; }
.cell small { display: block; color: var(--text-faint); font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; }
.release-actions { display: flex; gap: 6px; }
.release details { border-top: 1px solid var(--line); }
.release summary { list-style: none; cursor: pointer; padding: 10px 20px; color: var(--text-dim); font-size: 13px; display: flex; align-items: center; gap: 8px; user-select: none; }
.release summary::-webkit-details-marker { display: none; }
.release summary svg { width: 14px; height: 14px; transition: rotate .2s; }
.release details[open] summary svg { rotate: 90deg; }
.release summary:hover { color: var(--text); }
.release .changes { padding: 2px 20px 18px; }

.ad-slot { min-height: 100px; display: grid; place-items: center; border-radius: var(--radius); }
.ad-slot:empty { display: none; }
.no-results { text-align: center; padding: 64px 16px; color: var(--text-dim); display: none; }
.no-results.show { display: block; }

/* Footer */
footer { margin-top: 80px; border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--text-faint); font-size: 13px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
footer a { color: var(--text-dim); text-decoration: none; }
footer a:hover { color: var(--text); }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 24px; translate: -50% 20px; opacity: 0; pointer-events: none; z-index: 100;
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 999px; font-size: 14px; font-weight: 500;
  transition: opacity .2s, translate .2s; }
.toast.show { opacity: 1; translate: -50% 0; }

/* Entrance animation */
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.rise { animation: rise .5s cubic-bezier(.2,.7,.2,1) both; }
.rise-2 { animation-delay: .06s; } .rise-3 { animation-delay: .12s; } .rise-4 { animation-delay: .18s; }

/* Download page */
.dl { min-height: calc(100dvh - 60px); display: grid; place-items: start center; padding: 64px 0; }
.dl-card { width: min(560px, 100%); padding: 36px 28px; text-align: center; }
.ring { --p: 0; width: 120px; height: 120px; margin: 8px auto 20px; border-radius: 50%; display: grid; place-items: center;
  background: conic-gradient(var(--accent) calc(var(--p) * 1%), var(--bg-elev-2) 0); transition: --p .9s linear; }
.ring span { width: 100px; height: 100px; border-radius: 50%; background: var(--bg-elev); display: grid; place-items: center;
  font: 600 34px/1 var(--font); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.dl-card h1 { margin: 0 0 6px; font-size: 26px; letter-spacing: -.02em; }
.dl-card p { color: var(--text-dim); margin: 0 0 20px; }
.dl-card .file { font: 500 13px/1 var(--mono); color: var(--text-dim); background: var(--bg-elev-2); border-radius: 8px; padding: 8px 10px; display: inline-block; margin-bottom: 22px; word-break: break-all; }
@property --p { syntax: "<number>"; inherits: false; initial-value: 0; }

@media (max-width: 760px) {
  .hero { padding: 28px 0 20px; }
  .latest { grid-template-columns: 1fr; padding: 22px; }
  .latest .actions { min-width: 0; }
  .release-row { grid-template-columns: 1fr auto; gap: 8px 12px; padding: 14px 14px 14px 16px; }
  .release-row .cell { grid-row: 2; }
  .release-row .cell-size { grid-column: 1; }
  .release-row .cell-date { display: none; }
  .release-actions { grid-row: 1 / span 2; grid-column: 2; }
  .nav a.hide-sm, .brand small { display: none; }
  .nav a { white-space: nowrap; }
  .toolbar { top: 60px; }
  .result-count { display: none; }
  .search kbd { display: none; }
}

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