/* ============================================================
   peios packages — pkgs.peios.org
   Warm-dark industrial / terminal-refined.
   Display: Martian Mono · Body: IBM Plex Sans · Data: IBM Plex Mono
   ============================================================ */

:root {
  --bg:         #0c0d0b;
  --bg-panel:   #111310;
  --bg-elev:    #181a14;
  --bg-amber:   #2a2207;
  --line:       #2a2c23;
  --line-soft:  #1d1f19;
  --fg:         #e9e7dc;
  --fg-dim:     #9c998a;
  --fg-faint:   #6a6859;
  --amber:      #ffb000;
  --amber-dim:  #c98c12;
  --green:      #84d18f;
  --red:        #e8765a;
  --cyan:       #79c6c0;

  --font-display: 'Martian Mono', ui-monospace, monospace;
  --font-body:    'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --radius: 4px;
  --maxw: 1180px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background-color: var(--bg);
  background-image:
    radial-gradient(120% 80% at 50% -10%, rgba(255, 176, 0, .05), transparent 60%),
    linear-gradient(transparent 31px, var(--line-soft) 31px),
    linear-gradient(90deg, transparent 31px, var(--line-soft) 31px);
  background-size: auto, 32px 32px, 32px 32px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Film grain overlay */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9;
  pointer-events: none;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: inherit; }

::selection { background: var(--amber); color: #1a1505; }

/* dark, slim scrollbars for the scroll panes */
* { scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 10px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--fg-faint); }

/* ---------- Masthead ---------- */
.masthead {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px 24px 18px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  animation: rise .5s var(--ease) both;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  text-decoration: none;
}
.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -.5px;
  color: var(--fg);
  display: inline-flex;
  align-items: center;
}
.caret {
  display: inline-block;
  width: .5em;
  height: 1.05em;
  margin-left: .12em;
  background: var(--amber);
  transform: translateY(.12em);
  animation: blink 1.1s steps(1) infinite;
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-faint);
  letter-spacing: .5px;
}

.repo-meta {
  margin: 0;
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
}
.repo-meta div { display: flex; flex-direction: column; gap: 2px; }
.repo-meta dt {
  font-family: var(--font-display);
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--fg-faint);
}
.repo-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-dim);
  font-variant-numeric: tabular-nums;
}
.repo-meta dd.accent { color: var(--amber); }

.signed {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.signed::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(132, 209, 143, .18);
}

/* ---------- Search ---------- */
.search {
  flex: none;
  padding: 0 0 12px;
  animation: rise .5s var(--ease) .05s both;
}
.search-field {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .2s, box-shadow .2s;
}
.search-field:focus-within {
  border-color: var(--amber-dim);
  box-shadow: 0 0 0 3px rgba(255, 176, 0, .1);
}
.search-prompt {
  padding-left: 16px;
  font-family: var(--font-mono);
  color: var(--amber);
  font-weight: 600;
}
#q {
  flex: 1;
  padding: 14px 14px;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 15px;
}
#q::placeholder { color: var(--fg-faint); }
#q::-webkit-search-cancel-button { -webkit-appearance: none; }
.search-kbd {
  margin-right: 12px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 3px;
}
.search-field:focus-within .search-kbd { opacity: 0; }
.search-count {
  margin: 10px 2px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-faint);
  letter-spacing: .3px;
}

/* ---------- Browser layout ---------- */
.browser {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 24px;
  display: grid;
  grid-template-columns: minmax(300px, 380px) 1fr;
  gap: 22px;
  align-items: stretch;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.pane-list {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}
.list-scroll {
  flex: 1;
  min-height: 0;
  overflow: hidden auto;
  padding-bottom: 10px;
}

/* ---------- Package list ---------- */
.pkg-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  outline: none;
}
.pkg-row {
  display: block;
  width: 100%;
  text-align: left;
  padding: 13px 16px;
  background: var(--bg-panel);
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  transition: background .15s, border-color .15s;
  animation: rise .4s var(--ease) both;
  animation-delay: calc(var(--i, 0) * 28ms + .1s);
}
.pkg-row:last-child { border-bottom: 0; }
.pkg-row:hover { background: var(--bg-elev); }
.pkg-row:focus-visible { outline: none; background: var(--bg-elev); }
.pkg-row[aria-selected="true"] {
  background: var(--bg-elev);
  border-left-color: var(--amber);
}
.pkg-row-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.pkg-name {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14.5px;
  color: var(--fg);
}
.pkg-ver {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--amber-dim);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.pkg-row[aria-selected="true"] .pkg-ver { color: var(--amber); }
.pkg-desc {
  margin: 4px 0 0;
  font-size: 12.5px;
  color: var(--fg-dim);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pkg-name mark, .pkg-desc mark {
  background: var(--bg-amber);
  color: var(--amber);
  border-radius: 2px;
}

/* ---------- Detail pane ---------- */
.pane-detail {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-panel);
  min-height: 0;
  height: 100%;
  padding: 0;
  overflow: hidden auto;
}
.detail-inner { animation: fade .3s var(--ease) both; }

.detail-head {
  padding: 24px 26px 20px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 100% 0, rgba(255, 176, 0, .06), transparent 55%);
}
.detail-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0;
}
.detail-name {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 24px;
  color: var(--fg);
  letter-spacing: -.3px;
}
.detail-ver {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.chip {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: 100px;
  border: 1px solid var(--line);
  color: var(--fg-dim);
  background: var(--bg-elev);
}
.chip-arch { color: var(--cyan); border-color: rgba(121,198,192,.3); }
.chip-license { color: var(--fg-dim); }
.chip-signed { color: var(--green); border-color: rgba(132,209,143,.3); }

.detail-desc {
  margin: 16px 0 0;
  color: var(--fg);
  font-size: 14.5px;
  line-height: 1.6;
  max-width: 62ch;
}
.detail-home {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.detail-home:hover { color: var(--amber); border-bottom-color: var(--amber); }

.detail-body { padding: 22px 26px 28px; }

/* install command block */
.install {
  display: flex;
  align-items: stretch;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}
.install code {
  flex: 1;
  padding: 13px 16px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--fg);
  white-space: nowrap;
  overflow-x: auto;
}
.install code .tok-cmd { color: var(--amber); }
.install code .tok-sub { color: var(--cyan); }

.copy-btn {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 16px;
  background: var(--bg-elev);
  border: 0;
  border-left: 1px solid var(--line);
  color: var(--fg-dim);
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: color .15s, background .15s;
}
.copy-btn:hover { color: var(--amber); background: var(--bg-amber); }
.copy-btn.copied { color: var(--green); }

/* section label */
.section-label {
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.6px;
  color: var(--fg-faint);
  margin: 0 0 12px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line-soft);
}
.section + .section { margin-top: 26px; }

/* facts grid */
.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
.fact { background: var(--bg-panel); padding: 12px 14px; }
.fact dt {
  font-family: var(--font-display);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--fg-faint);
  margin-bottom: 5px;
}
.fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}
.fact dd small { color: var(--fg-faint); font-size: 11px; }

/* download */
.download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  padding: 12px 20px;
  background: var(--amber);
  color: #1a1505;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .6px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius);
  transition: transform .12s var(--ease), box-shadow .2s;
}
.download:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(255,176,0,.22); }
.download .size { font-family: var(--font-mono); opacity: .65; text-transform: none; letter-spacing: 0; }

/* hash row */
.hash {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 11px 14px;
}
.hash-algo {
  font-family: var(--font-display);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--green);
  flex: none;
}
.hash-val {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
  word-break: break-all;
  flex: 1;
  line-height: 1.4;
}
.hash .copy-btn { border: 1px solid var(--line); border-radius: 3px; padding: 5px 10px; }

/* relations */
.rel-grid { display: grid; gap: 14px; }
.rel { display: flex; gap: 12px; align-items: baseline; }
.rel-key {
  flex: none;
  width: 130px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-faint);
}
.rel-vals { display: flex; flex-wrap: wrap; gap: 6px; }
.rel-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  color: var(--fg);
}
.rel-tag.is-conflict { color: var(--red); border-color: rgba(232,118,90,.3); }
.rel-none { color: var(--fg-faint); font-family: var(--font-mono); font-size: 12px; }

/* version history */
.versions { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.vrow {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--line-soft);
  text-decoration: none;
  transition: background .15s;
}
.vrow:last-child { border-bottom: 0; }
.vrow:hover { background: var(--bg-elev); }
.vrow-ver { font-family: var(--font-mono); font-size: 13px; color: var(--amber-dim); width: 130px; flex: none; font-variant-numeric: tabular-nums; }
.vrow.is-current .vrow-ver { color: var(--amber); }
.vrow-date { font-family: var(--font-mono); font-size: 12px; color: var(--fg-dim); flex: 1; }
.vrow-size { font-family: var(--font-mono); font-size: 12px; color: var(--fg-faint); font-variant-numeric: tabular-nums; }
.vrow-cur { font-family: var(--font-display); font-size: 8.5px; letter-spacing: 1px; text-transform: uppercase; color: var(--green); }

/* provenance (source_ref from manifest sidecar) */
.provenance {
  display: flex;
  align-items: baseline;
  gap: 9px;
  flex-wrap: wrap;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.provenance:empty { display: none; }
.prov-key {
  font-family: var(--font-display);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--fg-faint);
}
.prov-url { color: var(--fg-dim); text-decoration: none; border-bottom: 1px solid transparent; }
.prov-url:hover { color: var(--amber); border-bottom-color: var(--amber-dim); }
.prov-ref {
  font-size: 11px;
  color: var(--green);
  background: rgba(132, 209, 143, .08);
  border: 1px solid rgba(132, 209, 143, .22);
  border-radius: 3px;
  padding: 1px 7px;
}

/* file tree (files.json sidecar) */
.tree {
  font-family: var(--font-mono);
  font-size: 12.5px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--bg);
  max-height: 400px;
  overflow: auto;
  padding: 5px 0;
}
.tnode > summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  cursor: pointer;
  color: var(--fg);
  user-select: none;
}
.tnode > summary::-webkit-details-marker { display: none; }
.tnode > summary::before {
  content: "";
  flex: none;
  width: 0; height: 0;
  border-left: 5px solid var(--fg-faint);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  transition: transform .15s var(--ease);
}
.tnode[open] > summary::before { transform: rotate(90deg); }
.tnode > summary:hover { background: var(--bg-elev); }
.tdir .tname { color: var(--cyan); }
.tmeta { margin-left: auto; color: var(--fg-faint); font-size: 11px; font-variant-numeric: tabular-nums; }
.tchildren { margin-left: 18px; padding-left: 0; border-left: 1px solid var(--line-soft); }
.tfile {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 12px 3px 25px;
}
.tfile:hover { background: var(--bg-elev); }
.tfile .tname { color: var(--fg-dim); }
.tsize { margin-left: auto; color: var(--fg-faint); font-size: 11px; font-variant-numeric: tabular-nums; }

/* empty / placeholder / error states */
.empty, .state-msg {
  padding: 40px 24px;
  text-align: center;
  color: var(--fg-faint);
  font-family: var(--font-mono);
  font-size: 13px;
}
.state-msg h2 { font-family: var(--font-body); color: var(--fg); font-size: 18px; margin: 0 0 8px; }
.state-msg code { color: var(--amber-dim); }
.placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 420px;
  gap: 14px;
  color: var(--fg-faint);
  text-align: center;
  padding: 24px;
}
.placeholder .ph-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 30px;
  color: var(--line);
  letter-spacing: 1px;
}
.placeholder p { font-family: var(--font-mono); font-size: 13px; margin: 0; }

/* ---------- Footer ---------- */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 24px 40px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-faint);
}
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links a { color: var(--fg-dim); text-decoration: none; border-bottom: 1px solid transparent; }
.footer-links a:hover { color: var(--amber); border-bottom-color: var(--amber-dim); }

/* ---------- Animations ---------- */
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .caret { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  html, body { height: auto; overflow: visible; }
  body { display: block; }
  .browser {
    grid-template-columns: 1fr;
    flex: none;
    height: auto;
    overflow: visible;
    padding-bottom: 40px;
  }
  .pane-list, .pane-detail { height: auto; min-height: 0; overflow: visible; }
  .list-scroll { height: auto; overflow: visible; }
  .pane-detail:empty, .pane-detail.is-empty { display: none; }
  .repo-meta { gap: 18px; }
}
@media (max-width: 520px) {
  .masthead { padding: 20px 16px 14px; }
  .search, .browser, .footer { padding-left: 16px; padding-right: 16px; }
  .brand-mark { font-size: 22px; }
  .repo-meta { width: 100%; justify-content: space-between; }
}