/* Layout: one 64rem column; a thin top bar, a filter row, then one section per application with a
   version-grouped table. Tokens below drive every color and type decision. */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --fg: #16202b;
  --fg-muted: #5b6774;
  --line: #d8dee6;
  --line-strong: #b9c3cf;
  --accent: #1f4fd8;
  --accent-ink: #ffffff;
  --accent-soft: #e6ecfb;
  --ok-soft: #dcf3e4;   --ok-ink: #14633a;
  --warn-soft: #fbeccc; --warn-ink: #7a4b00;
  --crit-ink: #b3261e;
  --shadow: 0 1px 2px rgba(22, 32, 43, .06), 0 8px 24px -16px rgba(22, 32, 43, .25);
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 6px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1419; --surface: #161c23; --fg: #e4e9ef; --fg-muted: #94a0ad; --line: #27313c; --line-strong: #3a4653;
    --accent: #7ea2ff; --accent-ink: #0b1a3d; --accent-soft: #1b2742;
    --ok-soft: #153324; --ok-ink: #7fd39d; --warn-soft: #3a2a0a; --warn-ink: #f2c26b; --crit-ink: #ff8a80;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -16px rgba(0, 0, 0, .7);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1419; --surface: #161c23; --fg: #e4e9ef; --fg-muted: #94a0ad; --line: #27313c; --line-strong: #3a4653;
  --accent: #7ea2ff; --accent-ink: #0b1a3d; --accent-soft: #1b2742;
  --ok-soft: #153324; --ok-ink: #7fd39d; --warn-soft: #3a2a0a; --warn-ink: #f2c26b; --crit-ink: #ff8a80;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -16px rgba(0, 0, 0, .7);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100%;
  font: 400 15px/1.5 var(--font-sans); color: var(--fg); background: var(--bg);
  font-feature-settings: "tnum" 0;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }
code, .mono { font-family: var(--font-mono); font-size: .92em; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap {
  max-width: 64rem; margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* top bar */
.top { border-bottom: 1px solid var(--line); background: var(--surface); }
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .8rem; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: .55rem; color: var(--fg); font-weight: 600; font-size: 1.05rem; letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.brand-sub { font-weight: 400; color: var(--fg-muted); }
.mark { width: .8rem; height: .8rem; border-radius: 2px; background: var(--accent); transform: rotate(45deg); }
.summary { margin: 0; color: var(--fg-muted); font-size: .9rem; font-variant-numeric: tabular-nums; }

/* filters */
.filters { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; padding-block: 1.25rem .5rem; }
.search { flex: 1 1 18rem; min-width: 0; }
.search input {
  width: 100%; font: inherit; color: var(--fg); background: var(--surface);
  border: 1px solid var(--line-strong); border-radius: var(--radius); padding: .5rem .75rem;
}
.search input::placeholder { color: var(--fg-muted); }
.chips { display: flex; gap: .4rem; flex-wrap: wrap; }
.chip {
  font: inherit; font-size: .85rem; color: var(--fg-muted); background: var(--surface);
  border: 1px solid var(--line-strong); border-radius: 999px; padding: .25rem .7rem; cursor: pointer;
}
.chip[aria-pressed="true"] { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.chip:hover:not([aria-pressed="true"]) { border-color: var(--accent); color: var(--fg); }

/* applications */
.apps { display: grid; gap: 1.25rem; padding-block: .75rem 2rem; }
.app { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); overflow: hidden; }
.app-head { display: grid; grid-template-columns: 1fr auto; gap: .15rem 1rem; padding: 1rem 1.1rem .8rem; border-bottom: 1px solid var(--line); }
.app-title { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; min-width: 0; }
.app-head h2 { margin: 0; font-size: 1.15rem; font-weight: 600; letter-spacing: -.01em; text-wrap: balance; }
.latest-pill { font-family: var(--font-mono); font-size: .8rem; color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: .1rem .55rem; }
.latest-pill:empty { display: none; }
.app-desc { grid-column: 1; margin: 0; color: var(--fg-muted); max-width: 65ch; }
.app-desc:empty { display: none; }
.app-home { grid-column: 2; grid-row: 1 / span 2; align-self: start; font-size: .85rem; white-space: nowrap; }
.app-home:empty { display: none; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .55rem 1.1rem; vertical-align: top; border-top: 1px solid var(--line); }
thead th { border-top: 0; font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--fg-muted); padding-top: .65rem; padding-bottom: .45rem; }
tbody tr:first-child td { border-top: 0; }
.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
td.date, th.date { white-space: nowrap; font-variant-numeric: tabular-nums; color: var(--fg-muted); }

tr.ver td { background: color-mix(in srgb, var(--bg) 55%, var(--surface)); padding-top: .5rem; padding-bottom: .5rem; }
.ver-cell { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.ver-num { font-family: var(--font-mono); font-weight: 500; }
.badge { font-size: .72rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; border-radius: 999px; padding: .08rem .5rem; }
.badge.ok { background: var(--ok-soft); color: var(--ok-ink); }
.badge.pre { background: var(--warn-soft); color: var(--warn-ink); }
.notes-toggle { font: inherit; font-size: .85rem; color: var(--accent); background: none; border: 0; padding: 0; cursor: pointer; }
.notes-toggle:hover { text-decoration: underline; }
.notes { grid-column: 1 / -1; margin: .4rem 0 0; white-space: pre-wrap; font-size: .9rem; color: var(--fg); max-width: 70ch; }
tr.ver td[colspan] .ver-cell + .notes[hidden] { display: none; }

tr.file td:first-child { color: transparent; }
.file-cell { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; min-width: 0; }
.file-name { font-family: var(--font-mono); font-size: .92rem; overflow-wrap: anywhere; }
.plat { font-size: .78rem; color: var(--fg-muted); border: 1px solid var(--line); border-radius: 4px; padding: 0 .4rem; white-space: nowrap; }
.sha-row { display: flex; align-items: center; gap: .5rem; margin-top: .25rem; min-width: 0; }
.sha { font-family: var(--font-mono); font-size: .78rem; color: var(--fg-muted); overflow-wrap: anywhere; }
.copy {
  font: inherit; font-size: .75rem; color: var(--fg-muted); background: var(--bg);
  border: 1px solid var(--line); border-radius: 4px; padding: .05rem .45rem; cursor: pointer; white-space: nowrap;
}
.copy:hover { color: var(--fg); border-color: var(--line-strong); }
.copy[data-done="1"] { color: var(--ok-ink); border-color: var(--ok-ink); }

/* states */
.empty { text-align: center; padding-block: 4rem 2rem; color: var(--fg-muted); }
.empty-code { font-family: var(--font-mono); font-size: 2.6rem; margin: 0; color: var(--line-strong); }
.empty-title { font-size: 1.1rem; color: var(--fg); margin: .25rem 0 1rem; }
.empty.error .empty-title { color: var(--crit-ink); }
.button { display: inline-block; font-weight: 500; color: var(--accent-ink); background: var(--accent); border-radius: var(--radius); padding: .45rem .9rem; }
.button:hover { text-decoration: none; filter: brightness(1.08); }
.skeleton { display: grid; gap: .6rem; padding: 1rem 1.1rem; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.sk-title, .sk-row { height: .9rem; border-radius: 4px; background: linear-gradient(90deg, var(--line) 25%, var(--bg) 50%, var(--line) 75%); background-size: 200% 100%; animation: shimmer 1.4s linear infinite; }
.sk-title { width: 30%; height: 1.2rem; }
.sk-row.short { width: 60%; }
@keyframes shimmer { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) { .sk-title, .sk-row { animation: none; } }

.foot { padding-block: 1rem 2.5rem; color: var(--fg-muted); font-size: .85rem; }
.foot p { margin: 0; }

@media (max-width: 40rem) {
  th.date, td.date { display: none; }
  th, td { padding-left: .8rem; padding-right: .8rem; }
  .app-head { grid-template-columns: 1fr; }
  .app-home { grid-column: 1; grid-row: auto; }
  tr.file td:first-child { display: none; }
  tr.file td:nth-child(2) { padding-left: .8rem; }
}