/* ListPop getting started guide */

:root {
  --primary: #2dd4bf;
  --accent: #c084fc;
  --danger: #fb7091;
  --warning: #fbbf24;
  --glow: 0 0 32px #2dd4bf40;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --nav-w: 272px;
  color-scheme: dark;
}

/* Dark is the default, and the attribute is set before paint. */
:root,
:root[data-theme="dark"] {
  --bg: #07060d;
  --surface: #0f0d1a;
  --elevated: #171326;
  --raised: #211a35;
  --ink: #ffffff;
  --sub: #ffffffa6;
  --faint: #ffffff6b;
  --hairline: #ffffff1f;
  --hairline-soft: #ffffff12;
  --primary-ink: #2dd4bf;
  --accent-ink: #c084fc;
  --halo-a: #2dd4bf1f;
  --halo-b: #c084fc1a;
  --body: #ffffffdb;
  --shot-shadow: 0 18px 40px #00000073;
  color-scheme: dark;
}

/* The warm cream side of the brand, matching the app's own light theme. */
:root[data-theme="light"] {
  --bg: #f5efe6;
  --surface: #fffaf0;
  --elevated: #fffaf0;
  --raised: #f8f5f0;
  --ink: #1a0e20;
  --sub: #1a0e20b8;
  --faint: #1a0e2085;
  --hairline: #1a0e2024;
  --hairline-soft: #1a0e2014;
  --primary-ink: #0d8f80;
  --accent-ink: #7e22ce;
  --halo-a: #2dd4bf24;
  --halo-b: #c084fc1f;
  --body: #1a0e20d6;
  --shot-shadow: 0 18px 40px #1a0e2026;
  color-scheme: light;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  /* Stop iOS Safari inflating body text when the phone is turned sideways. */
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-wrap: break-word;
}

/* A soft halo behind the top of the page, the way the app looks in a dark room. */
body::before {
  content: "";
  position: fixed;
  inset: -30vh 0 auto 0;
  height: 70vh;
  background:
    radial-gradient(60% 60% at 20% 0%, var(--halo-a), transparent 70%),
    radial-gradient(50% 50% at 85% 10%, var(--halo-b), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

a { color: var(--primary-ink); text-decoration-color: color-mix(in srgb, var(--primary-ink) 45%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--primary-ink); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary-ink);
}

/* ---------- shell ---------- */

.shell { position: relative; z-index: 1; display: flex; gap: 0; }

.nav {
  width: var(--nav-w);
  flex: 0 0 var(--nav-w);
  height: 100dvh;
  position: sticky;
  top: 0;
  padding: 28px 20px 40px;
  border-right: 1px solid var(--hairline-soft);
  overflow-y: auto;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
}

.nav-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 26px; text-decoration: none; }
.nav-brand img { width: 34px; height: 34px; border-radius: 9px; }
.nav-brand b {
  font-family: var(--mono);
  font-size: 0.9375rem;
  letter-spacing: 0.1em;
  font-weight: 800;
  color: var(--ink);
}

.nav h4 {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 22px 0 8px 10px;
  font-weight: 800;
}

.nav ol { list-style: none; margin: 0; padding: 0; counter-reset: navitem; }
.nav li { margin: 1px 0; }
.nav a {
  display: flex;
  gap: 10px;
  padding: 7px 10px;
  border-radius: var(--r-sm);
  color: var(--sub);
  font-size: 0.9375rem;
  line-height: 1.35;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.nav a:hover { background: color-mix(in srgb, var(--ink) 6%, transparent); color: var(--ink); }
.nav a.active { background: color-mix(in srgb, var(--primary-ink) 12%, transparent); color: var(--primary-ink); }
.nav a .n {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 800;
  color: var(--faint);
  min-width: 17px;
  padding-top: 3px;
}
.nav a.active .n { color: var(--primary-ink); }

.main { flex: 1 1 auto; min-width: 0; padding: 0 40px 120px; }
.wrap { max-width: 820px; margin: 0 auto; }

/* ---------- hero ---------- */

.hero { padding: 76px 0 44px; }
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  line-height: 1.03;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin: 14px 0 18px;
}
.hero .lede { font-size: 1.1875rem; color: var(--sub); max-width: 62ch; margin: 0 0 26px; }
.hero .rule {
  height: 1px;
  background: linear-gradient(90deg, #2dd4bf99, #c084fc99, transparent);
  margin-top: 40px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.meta span {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sub);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 5px 12px;
}

/* ---------- sections ---------- */

section { padding-top: 64px; }
section > h2 {
  font-size: clamp(1.65rem, 3.4vw, 2.15rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 10px 0 16px;
}
section h3 {
  font-size: 1.1875rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 38px 0 10px;
}
p { margin: 0 0 16px; color: var(--body); }
p.tight { margin-bottom: 8px; }

ul, ol.steps { margin: 0 0 18px; padding-left: 22px; color: var(--body); }
li { margin: 7px 0; }

strong { color: var(--ink); font-weight: 650; }
code {
  font-family: var(--mono);
  font-size: 0.875em;
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  border: 1px solid var(--hairline-soft);
  border-radius: 6px;
  padding: 1px 6px;
  color: var(--primary-ink);
}

/* ---------- callouts ---------- */

.note {
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--accent-ink);
  background: #c084fc0f;
  border-radius: var(--r-md);
  padding: 15px 18px;
  margin: 22px 0;
}
.note.warn { border-left-color: var(--danger); background: #fb70910f; }
.note.tip { border-left-color: var(--primary-ink); background: color-mix(in srgb, var(--primary-ink) 8%, transparent); }
.note p:last-child { margin-bottom: 0; }
.note .label {
  font-family: var(--mono);
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-ink);
  display: block;
  margin-bottom: 5px;
}
.note.warn .label { color: var(--danger); }
.note.tip .label { color: var(--primary-ink); }

/* ---------- screenshots ---------- */

.shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(196px, 1fr));
  gap: 20px;
  margin: 26px 0 30px;
}
.shots.one { grid-template-columns: minmax(0, 268px); }
.shots.two { grid-template-columns: repeat(auto-fit, minmax(210px, 244px)); }

figure { margin: 0; }
.frame {
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg);
  box-shadow: var(--shot-shadow);
  cursor: zoom-in;
  transition: border-color 0.18s, transform 0.18s;
  display: block;
  line-height: 0;
}
.frame:hover { border-color: #2dd4bf66; transform: translateY(-2px); }
.frame img { width: 100%; height: auto; display: block; }
figcaption {
  font-family: var(--mono);
  font-size: 0.6875rem;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--faint);
  margin-top: 9px;
  text-transform: uppercase;
  font-weight: 700;
}

/* ---------- paste sample ---------- */

.sample {
  font-family: var(--mono);
  font-size: 0.875rem;
  line-height: 1.85;
  background: var(--raised);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 16px 18px;
  margin: 0 0 20px;
  white-space: pre;
  overflow-x: auto;
  color: var(--body);
}
.sample .bad { color: var(--danger); }

/* ---------- table ---------- */

.tbl { width: 100%; border-collapse: collapse; margin: 20px 0 26px; font-size: 0.9375rem; }
.tbl th, .tbl td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--hairline-soft); vertical-align: top; }
.tbl th {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 800;
  border-bottom-color: var(--hairline);
}
.tbl td:first-child { color: var(--ink); font-weight: 600; white-space: nowrap; }
.tbl td { color: var(--sub); }

/* ---------- role cards ---------- */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); gap: 14px; margin: 22px 0 28px; }
.card {
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, #ffffff08, #ffffff03);
  padding: 16px 18px;
}
.card h5 { margin: 0 0 6px; font-size: 1rem; font-weight: 700; }
.card p { margin: 0; font-size: 0.9375rem; color: var(--sub); }

/* ---------- footer ---------- */

footer {
  margin-top: 96px;
  padding-top: 28px;
  border-top: 1px solid var(--hairline-soft);
  color: var(--faint);
  font-size: 0.9375rem;
}

/* ---------- lightbox ---------- */

.lb {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--bg) 95%, transparent);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 3vh 4vw;
  z-index: 100;
  cursor: zoom-out;
}
.lb.open { display: flex; }
.lb img {
  max-height: 94dvh;
  max-width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  box-shadow: 0 30px 80px #000000a6;
}

/* ---------- mobile ---------- */

.topbar { display: none; }

@media (max-width: 1023px) {
  html { scroll-padding-top: 74px; }
  .shell { display: block; }
  .nav {
    position: fixed;
    inset: 58px 0 auto 0;
    width: 100%;
    height: auto;
    max-height: 62dvh;
    border-right: none;
    border-bottom: 1px solid var(--hairline);
    padding: 12px 16px 22px;
    display: none;
    /* Solid, not translucent: over a page of screenshots a blurred panel is
       unreadable. */
    background: var(--surface);
    backdrop-filter: none;
    box-shadow: 0 24px 50px #000000a6;
  }
  .nav.open { display: block; }
  /* Beats `.nav a`, which is one notch more specific than `.nav-brand`. */
  .nav .nav-brand { display: none; }
  .topbar {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 40;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 11px 16px;
    background: color-mix(in srgb, var(--bg) 90%, transparent);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--hairline-soft);
  }
  /* Both of these are thumb targets, so keep them at least 44px tall. */
  .topbar .b { display: flex; align-items: center; gap: 10px; text-decoration: none; min-height: 44px; }
  .topbar img { width: 28px; height: 28px; border-radius: 8px; }
  .topbar b { font-family: var(--mono); letter-spacing: 0.1em; font-size: 0.8125rem; color: var(--ink); font-weight: 800; }
  .topbar button {
    font-family: var(--mono);
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary-ink);
    background: color-mix(in srgb, var(--primary-ink) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--primary-ink) 45%, transparent);
    border-radius: 999px;
    padding: 0 17px;
    min-height: 44px;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }
  .nav a { padding: 11px 10px; }
  .main { padding: 0 20px 90px; }
  .hero { padding: 40px 0 26px; }
  body { font-size: 16.5px; }
}

/* A two-column table is unreadable on a phone: the second column ends up three
   words wide. Stack each row into a labelled block instead. */
@media (max-width: 620px) {
  .tbl thead { display: none; }
  .tbl, .tbl tbody, .tbl tr, .tbl td { display: block; width: 100%; }
  .tbl tr { padding: 13px 0; border-bottom: 1px solid var(--hairline-soft); }
  .tbl tr:last-child { border-bottom: none; }
  .tbl td { border: none; padding: 0; }
  .tbl td:first-child {
    white-space: normal;
    font-family: var(--mono);
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 4px;
  }
}

@media (max-width: 560px) {
  .shots { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
  .shots.one, .shots.two { grid-template-columns: minmax(0, 1fr); }
  .sample { font-size: 0.8125rem; padding: 14px; }
  .note { padding: 13px 15px; }
}

/* Notched and rounded screens, only where the layout is already edge to edge. */
@media (max-width: 1023px) {
  @supports (padding: max(0px)) {
    .topbar {
      padding-left: max(16px, env(safe-area-inset-left));
      padding-right: max(16px, env(safe-area-inset-right));
    }
    .main {
      padding-left: max(20px, env(safe-area-inset-left));
      padding-right: max(20px, env(safe-area-inset-right));
    }
    footer { padding-bottom: max(0px, env(safe-area-inset-bottom)); }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .frame { transition: none; }
}


/* ---------- light / dark screenshots ---------- */

/* `.frame img` also sets display, so these have to out-specify it. */
.frame img.s-light { display: none; }
:root[data-theme="light"] .frame img.s-dark { display: none; }
:root[data-theme="light"] .frame img.s-light { display: block; }

/* ---------- theme toggle ---------- */

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--ink) 5%, transparent);
  color: var(--ink);
  cursor: pointer;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}
.theme-toggle:hover { border-color: var(--primary-ink); color: var(--primary-ink); }
.theme-toggle svg { width: 19px; height: 19px; }
:root[data-theme="light"] .theme-toggle .i-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .i-sun,
:root:not([data-theme="light"]) .theme-toggle .i-sun { display: none; }

.nav-actions { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.nav-actions .hint {
  font-family: var(--mono);
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}