/* Paperloom site — tokens mirror crates/paperloom-gui/src/theme.rs and DESIGN.md. */
@font-face { font-family: "IBM Plex Sans"; src: url("assets/IBMPlexSans.ttf") format("truetype"); font-weight: 100 700; font-display: swap; }
@font-face { font-family: "Bricolage Grotesque"; src: url("assets/BricolageGrotesque.ttf") format("truetype"); font-weight: 200 800; font-display: swap; }

:root {
  --bg: #FFFBEB; --surface: #FFFFFF; --muted: #F8F2F0; --border: #F2E6E2;
  --fg: #1C1410; --fg-muted: #78716C;
  --primary: #9A3412; --primary-hover: #C2410C; --on-primary: #FFFFFF;
  --success: #059669;
  --shadow: 0 1px 2px rgba(28,20,16,.06), 0 8px 24px rgba(28,20,16,.06);
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1C1917; --surface: #262220; --muted: #2E2824; --border: rgba(255,255,255,.08);
    --fg: #F5EFE9; --fg-muted: #A8998E;
    --primary: #FB923C; --primary-hover: #FDBA74; --on-primary: #1C1410;
    --success: #34D399;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
  }
}
:root[data-theme="dark"] {
  --bg: #1C1917; --surface: #262220; --muted: #2E2824; --border: rgba(255,255,255,.08);
  --fg: #F5EFE9; --fg-muted: #A8998E;
  --primary: #FB923C; --primary-hover: #FDBA74; --on-primary: #1C1410;
  --success: #34D399;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 400 16px/1.6 "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: "Bricolage Grotesque", "IBM Plex Sans", system-ui, sans-serif; line-height: 1.12; margin: 0; letter-spacing: -.01em; }
a { color: var(--primary); }
a:hover { color: var(--primary-hover); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 6px; }
.muted { color: var(--fg-muted); }

main, .top, footer { width: min(1120px, 100% - 32px); margin-inline: auto; }

/* Top bar */
.top {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 0; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
  width: 100%; padding-inline: max(16px, calc((100% - 1120px) / 2));
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg);
  font: 700 20px "Bricolage Grotesque", sans-serif; }
.brand img { border-radius: 8px; }
.top nav { display: flex; gap: 20px; flex-wrap: wrap; justify-content: flex-end; }
.top nav a { color: var(--fg-muted); text-decoration: none; font-size: 15px; }
.top nav a:hover { color: var(--primary); }

/* Hero */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 48px; align-items: center; padding: 72px 0 56px; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.7rem); font-weight: 800; }
.lede { font-size: 1.15rem; color: var(--fg-muted); margin: 20px 0 28px; max-width: 34em; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 2px;
  min-height: 52px; padding: 10px 24px; border-radius: 12px; text-decoration: none;
  font-weight: 600; border: 1px solid transparent; cursor: pointer; transition: background .15s, transform .15s, box-shadow .15s;
}
.btn.primary { background: var(--primary); color: var(--on-primary); box-shadow: var(--shadow); }
.btn.primary:hover { background: var(--primary-hover); color: var(--on-primary); transform: translateY(-1px); }
.btn .btn-title { font-size: 1.05rem; }
.btn .btn-sub { font-size: .8rem; font-weight: 400; opacity: .85; }
.btn.ghost { background: transparent; color: var(--fg); border-color: var(--border); flex-direction: row; align-items: center; }
.btn.ghost:hover { background: var(--muted); color: var(--fg); }
.fine { margin: 14px 0 0; font-size: .9rem; color: var(--fg-muted); min-height: 1.4em; }
.hero-media video {
  width: 100%; aspect-ratio: 16 / 9; display: block; background: #000;
  border-radius: 18px; box-shadow: var(--shadow); border: 1px solid var(--border);
}

/* Features */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding-bottom: 72px; }
.features article { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.features h3 { font-size: 1.1rem; margin-bottom: 8px; }
.features p { margin: 0; color: var(--fg-muted); font-size: .95rem; }

/* Sections */
section h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 700; }
.sub { color: var(--fg-muted); margin: 8px 0 28px; }
.platforms, .releases, .shots { padding-bottom: 72px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin-bottom: 16px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; margin-bottom: 16px; }
.grid > .card { margin-bottom: 0; }
.card h3 { font-size: 1.15rem; margin-bottom: 4px; }
.card .for { color: var(--fg-muted); font-size: .9rem; margin: 0 0 14px; }
.card p { margin: 0 0 12px; }
.card.current { border-color: var(--primary); }

.files { display: flex; flex-direction: column; gap: 8px; }
.file {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 14px; border-radius: 10px; background: var(--muted); text-decoration: none; color: var(--fg);
  border: 1px solid transparent; transition: border-color .15s, background .15s;
}
.file:hover { border-color: var(--primary); color: var(--fg); }
.file .name { font-weight: 600; }
.file .meta { color: var(--fg-muted); font-size: .85rem; white-space: nowrap; }
.file.missing { opacity: .55; pointer-events: none; }

pre {
  margin: 0 0 12px; padding: 14px 16px; background: var(--muted); border: 1px solid var(--border);
  border-radius: 10px; overflow-x: auto; font-size: .85rem; line-height: 1.55;
}
code { font-family: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace; }
.copy {
  font: inherit; font-size: .9rem; font-weight: 600; padding: 8px 16px; border-radius: 10px; cursor: pointer;
  background: transparent; color: var(--primary); border: 1px solid var(--border);
}
.copy:hover { background: var(--muted); }

/* Releases */
.picker { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.picker label { font-weight: 600; }
select {
  font: inherit; padding: 10px 14px; border-radius: 10px; min-width: 220px;
  background: var(--surface); color: var(--fg); border: 1px solid var(--border);
}
.link { margin-left: auto; font-size: .95rem; }
.detail { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.detail h3 { font-size: 1.5rem; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.badge { font: 600 .72rem "IBM Plex Sans", sans-serif; padding: 3px 10px; border-radius: 99px; background: var(--muted); color: var(--fg-muted); letter-spacing: 0; }
.badge.latest { background: var(--primary); color: var(--on-primary); }
.badge.pre { color: var(--success); }
.detail .date { color: var(--fg-muted); margin: 4px 0 18px; }
.detail .files { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.notes { margin-top: 20px; }
.notes summary { cursor: pointer; font-weight: 600; }
.notes pre { margin-top: 12px; white-space: pre-wrap; word-break: break-word; font-family: inherit; font-size: .92rem; max-height: 420px; overflow: auto; }
.sums { margin-top: 14px; font-size: .9rem; }

.history { margin-top: 20px; }
.history summary { cursor: pointer; font-weight: 600; padding: 6px 0; }
.history ul { list-style: none; margin: 8px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px 16px; }
.history button { all: unset; cursor: pointer; color: var(--primary); }
.history button:hover { text-decoration: underline; }
.history button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.history .d { color: var(--fg-muted); font-size: .8rem; margin-left: 6px; }

/* Screenshots */
.shot-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 24px; }
.shot-row figure { margin: 0; }
.shot-row a { display: block; }
.shot-row img { width: 100%; height: auto; display: block; border-radius: 12px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.shot-row figcaption { margin-top: 8px; text-align: center; color: var(--fg-muted); font-size: .9rem; }

footer { padding: 32px 0 48px; border-top: 1px solid var(--border); color: var(--fg-muted); font-size: .92rem; }
footer p { margin: 4px 0; }

.nav-cta { display: none; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chips a {
  display: inline-flex; align-items: center; min-height: 40px; padding: 6px 14px; border-radius: 99px;
  background: var(--surface); border: 1px solid var(--border); color: var(--fg); text-decoration: none; font-size: .9rem; font-weight: 500;
}
.chips a:hover { border-color: var(--primary); color: var(--primary); }
.file, .copy, select, .history button { min-height: 44px; }
.history button { display: inline-flex; align-items: center; }
body { padding-bottom: env(safe-area-inset-bottom); }
.top { padding-top: max(12px, env(safe-area-inset-top)); }
main, footer { padding-inline: env(safe-area-inset-left) env(safe-area-inset-right); }
img, video { max-width: 100%; }
.card pre, .detail pre { max-width: 100%; }
.grid > *, .hero > *, .features > *, .shot-row > * { min-width: 0; }

@media (min-width: 1500px) {
  main, footer { width: min(1240px, 100% - 64px); }
  body { font-size: 17px; }
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 32px; padding-top: 40px; }
  .features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .top nav a:not(.nav-cta) { display: none; }
  .nav-cta {
    display: inline-flex; align-items: center; min-height: 40px; padding: 6px 16px; border-radius: 10px;
    background: var(--primary); color: var(--on-primary) !important; font-weight: 600;
  }
  .hero { padding: 28px 0 40px; gap: 28px; }
  .hero-media { margin-inline: -16px; order: 2; }
  .hero-media video { border-radius: 0; border-inline: 0; }
  .lede { font-size: 1.05rem; margin: 14px 0 22px; }
  .features { padding-bottom: 48px; gap: 12px; }
  .platforms, .releases, .shots { padding-bottom: 48px; }
  .sub { margin-bottom: 20px; }
  .card, .detail { padding: 18px; }
  .grid, .grid.two { grid-template-columns: minmax(0, 1fr); }
  .detail .files { grid-template-columns: minmax(0, 1fr); }
  .files .file .name { overflow-wrap: anywhere; }
  .history ul { grid-template-columns: repeat(2, 1fr); }
  pre { font-size: .78rem; padding: 12px; }
  .shot-row {
    display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
    margin-inline: -16px; padding: 4px 16px 12px; scrollbar-width: none;
  }
  .shot-row::-webkit-scrollbar { display: none; }
  .shot-row figure { flex: 0 0 86%; scroll-snap-align: center; }
}
@media (max-width: 560px) {
  .features { grid-template-columns: 1fr; }
  .link { margin-left: 0; }
  .picker { flex-direction: column; align-items: stretch; gap: 8px; }
  select { width: 100%; min-width: 0; }
  .btn { width: 100%; }
  .cta { flex-direction: column; }
}
@media (max-width: 360px) {
  .hero h1 { font-size: 2rem; }
  .brand span { font-size: 18px; }
  .file { flex-direction: column; align-items: flex-start; gap: 2px; }
}
@media (hover: none) {
  .btn.primary:hover { transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .file { transition: none; }
}