/* FlowCE's own colors: the app's Paper and Night themes (src/ui_gfx.c) */
:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --ink: #111419;
  --sub: #5f6874;
  --line: #dbe0e7;
  --acc: #245ccc;
  --acc-soft: #e2eafa;
  --on-acc: #ffffff;
  --green: #278c4a;
  --red: #c74440;
  --shadow: 0 1px 2px rgba(17, 20, 25, .06), 0 8px 24px rgba(17, 20, 25, .07);
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0f14;
    --card: #161c24;
    --ink: #eaeef3;
    --sub: #97a2b0;
    --line: #262e3a;
    --acc: #64a5ff;
    --acc-soft: #182840;
    --on-acc: #070b11;
    --green: #56c882;
    --red: #ff7066;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; } /* (.btn and others set display, which beat the attribute) */
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 "Atkinson Hyperlegible", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--acc); text-underline-offset: 2px; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { line-height: 1.2; margin: 0; }
h2 { font-size: 1.7rem; margin: 0 0 1.2rem; }
h3 { font-size: 1.08rem; }
p { margin: 0 0 .8rem; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
section { padding: 3.2rem 0 0; }
.fine { font-size: .88rem; color: var(--sub); }
.m { font-family: "STIX Two Text", Georgia, serif; font-size: 1.05em; }
kbd {
  display: inline-block;
  min-width: 1.6em;
  padding: 0 .4em;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: var(--card);
  font: 700 .82em/1.6 "Atkinson Hyperlegible", system-ui, sans-serif;
  text-align: center;
  white-space: nowrap;
}

/* the app's wordmark: italic serif, "CE" in the accent color */
.wordmark {
  font-family: "STIX Two Text", Georgia, serif;
  font-style: italic;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.5rem;
}
.wordmark span { color: var(--acc); }
.wordmark.big { font-size: clamp(3.2rem, 9vw, 5.2rem); }

.top {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top-in { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.top nav { display: flex; gap: 1.2rem; }
.top nav a { color: var(--sub); text-decoration: none; font-weight: 700; font-size: .95rem; }
.top nav a:hover { color: var(--ink); }

.hero { display: grid; grid-template-columns: 1fr 1.05fr; gap: 3rem; align-items: center; padding-top: 3.5rem; }
.hero .lead { font-size: 1.45rem; font-weight: 700; margin: .4rem 0 .9rem; }
.cta { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.4rem 0 .9rem; }
.screen { margin: 0; }
.screen img, .gallery img, .gif {
  display: block;
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  background: var(--card);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 1.2rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  font: 700 1rem "Atkinson Hyperlegible", system-ui, sans-serif;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { border-color: var(--acc); }
.btn.primary { background: var(--acc); border-color: var(--acc); color: var(--on-acc); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { background: var(--red); border-color: var(--red); color: var(--on-acc); }
.btn:disabled { opacity: .45; cursor: not-allowed; filter: none; }
/* the button to press now (Reconnect after the erase): green, with a soft pulse */
.btn.attn { background: var(--green); border-color: var(--green); color: var(--card); animation: attn 1.6s ease-in-out infinite; }
@keyframes attn { 0%, 100% { box-shadow: 0 0 0 0 rgba(39, 140, 74, .55); } 50% { box-shadow: 0 0 0 9px rgba(39, 140, 74, 0); } }
@media (prefers-reduced-motion: reduce) { .btn.attn { animation: none; } }
.confirm { display: flex; align-items: center; gap: .5rem; margin: .2rem 0 .8rem; font-weight: 700; cursor: pointer; }
.confirm input { width: 18px; height: 18px; accent-color: var(--red); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem 1rem;
}
.card h3 { margin: .55rem 0 .45rem; }
.card p { font-size: .95rem; color: var(--sub); margin: 0; }
.glyph {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--acc-soft);
  color: var(--acc);
  font: italic 500 1.35rem "STIX Two Text", Georgia, serif;
}

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.gallery figure { margin: 0; }
.gallery figcaption { text-align: center; font-size: .9rem; color: var(--sub); margin-top: .45rem; }

#install .intro { max-width: 760px; }
.installer {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: .4rem 1.4rem;
  margin: 1.4rem 0 1rem;
}
.notice {
  margin: 1rem 0 .4rem;
  padding: .8rem 1rem;
  border-radius: 10px;
  background: var(--acc-soft);
}
.steps { list-style: none; margin: 0; padding: 0; }
.step { border-bottom: 1px solid var(--line); padding: 1.1rem 0; }
.step:last-child { border-bottom: 0; }
.step-head { display: flex; align-items: center; gap: .8rem; }
.num {
  flex: none;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 2px solid var(--line);
  font-weight: 700;
  color: var(--sub);
}
.step.active .num { border-color: var(--acc); color: var(--acc); }
.step.done .num { background: var(--green); border-color: var(--green); color: var(--card); }
.step-body { padding: .6rem 0 0 calc(30px + .8rem); }
/* a step's animation shows while it is the current one; clearing the memory's until it is done */
.step .gif { display: none; }
.step.active .gif, .step[data-step="clear"]:not(.done) .gif { display: block; }
.gif { width: 100%; max-width: 380px; margin: .9rem 0 .4rem; }
ol.sub { margin: 0 0 .9rem; padding-left: 1.2rem; }
.status { margin-top: .7rem; font-size: .95rem; }
.status:empty { display: none; }
.status .ok { color: var(--green); font-weight: 700; }
.status .bad { color: var(--red); font-weight: 700; }
.status ul { margin: .3rem 0 0; padding-left: 1.2rem; }
.progress { margin-top: .9rem; max-width: 520px; }
.bar { height: 10px; border-radius: 99px; background: var(--acc-soft); overflow: hidden; }
.bar span { display: block; height: 100%; width: 0; background: var(--acc); transition: width .2s; }

details.manual {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .8rem 1.2rem;
  margin: .7rem 0;
}
details.manual summary { cursor: pointer; font-weight: 700; }
details.manual ol, details.manual ul { margin: .7rem 0 .2rem; padding-left: 1.3rem; }
details.manual li { margin-bottom: .45rem; }

table.keys { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.keys td { padding: .6rem .9rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.keys tr:last-child td { border-bottom: 0; }
.keys td:first-child { white-space: nowrap; width: 1%; }

.credits p { color: var(--sub); max-width: 820px; }
.foot { padding: 2.5rem 16px 3rem; color: var(--sub); font-size: .88rem; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; gap: 1.8rem; padding-top: 2rem; }
  .cards, .gallery { grid-template-columns: 1fr 1fr; }
  .top nav { gap: .8rem; }
}
@media (max-width: 540px) {
  body { font-size: 16px; }
  .cards, .gallery { grid-template-columns: 1fr; }
  .top nav a:not([href="#install"]) { display: none; }
  .installer { padding: .2rem 1rem; }
  .step-body { padding-left: 0; }
  .keys td:first-child { white-space: normal; }
}