:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #e3e6ea;
  --text: #16181d;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-soft: #eaf0fe;
  --warn-bg: #fdf1e3;
  --warn-text: #92500d;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a21;
    --border: #262b34;
    --text: #e8eaee;
    --muted: #9aa3b2;
    --accent: #7ba3ff;
    --accent-soft: #1c2437;
    --warn-bg: #3a2a15;
    --warn-text: #f0c48a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(1.6) blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 28px 0 20px;
}

/* Browsers without color-mix/backdrop-filter keep an opaque bar. */
@supports not (backdrop-filter: blur(1px)) {
  .topbar { background: var(--surface); }
}

h1 { margin: 0; font-size: 22px; letter-spacing: -0.01em; }
.sub { margin: 4px 0 18px; color: var(--muted); font-size: 14px; }

.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

#search {
  flex: 1 1 260px;
  min-width: 0;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: inherit;
  font: inherit;
}
#search:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.filters { display: flex; gap: 6px; flex-wrap: wrap; }

.filters button {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}
.filters button[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.clear {
  padding: 8px 14px;
  border: 1px dashed var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}
.clear:hover { color: var(--accent); border-color: var(--accent); }
.clear[hidden] { display: none; }

.status { color: var(--muted); padding: 24px 0; }
.status.error { color: #b4232c; }

.groups { padding: 12px 0 24px; }

.group + .group { margin-top: 28px; }

.group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  font-size: 1.05rem;
  font-weight: 600;
}

.group-count {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 8px;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  padding: 14px 0 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card-head { display: flex; gap: 12px; align-items: flex-start; }

.icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  object-fit: cover;
  background: var(--bg);
  flex: none;
}

.title { margin: 0; font-size: 16px; overflow-wrap: anywhere; }
.identifier { margin: 2px 0 0; font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }

.badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}
.badge.locked { background: var(--warn-bg); color: var(--warn-text); }

.meta { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 13px; margin: 0; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; overflow-wrap: anywhere; }

.install { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }

.install-buttons { display: flex; flex-wrap: wrap; gap: 6px; }

.qr {
  width: 140px;
  height: 140px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  flex: none;
}

.channels-title {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.channel-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }

.channel-list li {
  display: grid;
  gap: 4px;
  padding-left: 10px;
  border-left: 2px solid var(--border);
}

.channel-label { font-size: 13px; font-weight: 600; }

button.copy,
a.copy {
  align-self: flex-start;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: inherit;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
button.copy:hover,
a.copy:hover { border-color: var(--accent); color: var(--accent); }

a.copy { text-decoration: none; }
a.download { border-color: var(--accent); background: var(--accent); color: var(--surface); font-weight: 600; }
a.download:hover { background: var(--accent-soft); }

/* Version history ------------------------------------------------------- */

.history {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  overflow: hidden;
}

.history-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  list-style: none;
  user-select: none;
}
.history-summary::-webkit-details-marker { display: none; }
.history-summary:hover { color: var(--text); }
.history-summary:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

.history-chevron {
  width: 7px;
  height: 7px;
  flex: none;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 0.18s ease;
}
.history[open] .history-chevron { transform: rotate(45deg); }

.history-label { flex: 1; }

.history-count {
  font-size: 11px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 2px 12px 12px 12px;
  display: grid;
  gap: 2px;
}

.build {
  position: relative;
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 10px;
  padding: 7px 0;
}

/* Rail: drawn per item so it stops cleanly at the last build. */
.build::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}
.build:first-child::before { top: 14px; }
.build:last-child::before { bottom: auto; height: 14px; }
.build:only-child::before { display: none; }

.build-dot {
  position: relative;
  z-index: 1;
  width: 7px;
  height: 7px;
  margin: 6px 0 0 3px;
  border-radius: 50%;
  background: var(--border);
  box-shadow: 0 0 0 3px var(--surface);
}
.build.is-latest .build-dot { background: var(--accent); }

.build-head { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }

.build-version {
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.build-number {
  font-size: 11px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.build-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

.build-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
  margin-top: 2px;
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.build-meta > * + *::before {
  content: "·";
  margin-right: 8px;
  color: var(--border);
}

.build-delta { font-weight: 600; }
.build-delta.up { color: var(--warn-text); }
.build-delta.down { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  .history-chevron { transition: none; }
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 20px 0 40px;
  color: var(--muted);
  font-size: 13px;
}
.footer a { color: var(--accent); }