/* ===========================================================================
   Poll Bot - onboarding guide styles
   Refined Notion / Linear documentation aesthetic. Light theme.
   Plain CSS, no frameworks, no build step.
   =========================================================================== */

:root {
  /* Accent - Linear-style indigo */
  --accent: #5e6ad2;
  --accent-dark: #4f5ac0;
  --accent-soft: #f0f1fb;
  --accent-border: #d6d9f4;

  /* Text */
  --heading: #0d0d0e;
  --text: #26282c;
  --text-muted: #6b6f76;
  --text-faint: #8a8f98;

  /* Surfaces */
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --bg-band: #f7f7f8;

  /* Hairline borders */
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.12);
  --hairline: rgba(0, 0, 0, 0.07);

  /* Quiet callout tints */
  --tip-bg: #f1faf6;
  --tip-border: #b8e6cf;
  --tip-accent: #1a9d6a;
  --tip-text: #146c4b;

  --warn-bg: #fef8f1;
  --warn-border: #f4d6ad;
  --warn-accent: #d4870b;
  --warn-text: #95560a;

  --note-bg: #f3f6fc;
  --note-border: #c8d8f2;
  --note-accent: #3b6fd4;
  --note-text: #2c4f96;

  --radius: 12px;
  --radius-sm: 10px;
  --radius-xs: 6px;

  --content-w: 740px;
  --toc-w: 240px;

  /* Barely-there shadows */
  --shadow: 0 1px 2px rgba(13, 13, 14, .04);
  --shadow-soft: 0 1px 2px rgba(13, 13, 14, .04), 0 6px 16px rgba(13, 13, 14, .035);

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

/* ---------- Reset-ish ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { color: var(--accent-dark); text-decoration: underline; }

h1, h2, h3, h4 { color: var(--heading); }

/* ---------- Focus visibility ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Visually hidden (screen-reader only) ---------- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: .6rem 1rem;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Top bar ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--hairline);
}
.site-nav__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: .7rem 24px;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.site-nav__brand {
  font-weight: 700;
  color: var(--heading);
  font-size: 1.02rem;
  letter-spacing: -.01em;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  white-space: nowrap;
}
.site-nav__brand:hover { text-decoration: none; color: var(--heading); }

/* Mobile contents toggle */
.nav-toggle {
  display: none;
  margin-left: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .4rem .8rem;
  font: inherit;
  font-size: .88rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  box-shadow: var(--shadow);
}
.nav-toggle:hover { background: var(--bg-soft); }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(900px 380px at 50% -120px, var(--accent-soft), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--hairline);
  padding: 4rem 0 3.25rem;
  text-align: center;
}
.hero__logo {
  font-size: 2.75rem;
  line-height: 1;
  margin-bottom: .65rem;
}
.hero h1 {
  font-size: clamp(2.3rem, 5.5vw, 3.25rem);
  font-weight: 700;
  margin: 0 0 .6rem;
  letter-spacing: -.025em;
  line-height: 1.1;
}
.hero__tagline {
  font-size: clamp(1.08rem, 2.4vw, 1.3rem);
  font-weight: 500;
  color: var(--text);
  margin: 0 auto 1rem;
  max-width: 42ch;
  line-height: 1.5;
}
.hero__desc {
  color: var(--text-muted);
  max-width: 56ch;
  margin: 0 auto 1rem;
}
.hero__audience {
  color: var(--text-faint);
  font-size: .94rem;
  max-width: 58ch;
  margin: 0 auto 1.9rem;
}
.hero__cta {
  display: flex;
  gap: .75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font: inherit;
  font-weight: 600;
  font-size: .96rem;
  padding: .72rem 1.3rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, transform .06s ease, box-shadow .15s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(13, 13, 14, .12), 0 4px 12px rgba(94, 106, 210, .22);
}
.btn--primary:hover { background: var(--accent-dark); color: #fff; }
.btn--secondary {
  background: #fff;
  color: var(--text);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}
.btn--secondary:hover { background: var(--bg-soft); color: var(--heading); }

/* ---------- Docs layout: sidebar TOC + content ---------- */
.docs {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px 4rem;
  display: grid;
  grid-template-columns: var(--toc-w) minmax(0, 1fr);
  gap: 3rem;
  align-items: start;
}

/* Sidebar table of contents */
.toc {
  position: sticky;
  top: 64px;
  align-self: start;
  padding-top: 2.75rem;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
}
.toc__title {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-faint);
  margin: 0 0 .65rem;
  padding-left: .75rem;
}
.toc__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}
.toc__links a {
  display: block;
  color: var(--text-muted);
  font-size: .9rem;
  font-weight: 500;
  padding: .35rem .75rem;
  border-radius: var(--radius-xs);
  border-left: 2px solid transparent;
  transition: color .12s ease, background .12s ease, border-color .12s ease;
}
.toc__links a:hover {
  color: var(--heading);
  background: var(--bg-band);
  text-decoration: none;
}
.toc__links a.is-active {
  color: var(--accent);
  background: var(--accent-soft);
  border-left-color: var(--accent);
  font-weight: 600;
}

/* Content column */
main {
  min-width: 0;
  max-width: var(--content-w);
}

/* ---------- Sections ---------- */
section {
  padding-top: 3rem;
  scroll-margin-top: 76px;
}
section:first-child { padding-top: 2.75rem; }
section > .container {
  max-width: none;
  padding: 0;
}
section > .container > h2 {
  font-size: clamp(1.55rem, 3.5vw, 1.95rem);
  font-weight: 700;
  margin: 0 0 .4rem;
  letter-spacing: -.02em;
  line-height: 1.2;
}
.section__lead {
  color: var(--text-muted);
  margin: 0 0 1.75rem;
  max-width: 62ch;
  font-size: 1.02rem;
}

/* Light gray band sections - full-bleed feel within the content column */
.section--alt > .container {
  background: var(--bg-band);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 2rem 2rem 2.25rem;
}
.section--alt {
  padding-top: 3rem;
}

h3 {
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--heading);
}

/* ---------- Feature cards ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.feature {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.3rem 1.4rem;
  box-shadow: var(--shadow-soft);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.feature:hover {
  border-color: var(--border-strong);
  box-shadow: 0 1px 2px rgba(13, 13, 14, .05), 0 8px 22px rgba(13, 13, 14, .06);
}
.feature__icon {
  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: .55rem;
}
.feature h3 {
  margin: 0 0 .3rem;
  font-size: 1.04rem;
  font-weight: 600;
}
.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: .95rem;
}

/* ---------- Generic prose lists ---------- */
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin: .35rem 0; }
.prose h3 {
  margin: 1.75rem 0 .5rem;
}

/* ---------- "Before you start" quick facts ---------- */
.facts {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: .6rem;
}
.facts li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .8rem 1rem;
  display: flex;
  gap: .7rem;
  align-items: flex-start;
  box-shadow: var(--shadow);
}
.facts li > span:first-child { color: var(--accent); font-weight: 600; }
.facts li b { font-weight: 600; color: var(--heading); }

/* ---------- Step cards ---------- */
.steps {
  display: grid;
  gap: 1.25rem;
}
.step {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem 1.6rem;
  box-shadow: var(--shadow-soft);
  position: relative;
}
.step__head {
  display: flex;
  align-items: center;
  gap: .85rem;
  margin-bottom: .7rem;
}
.step__num {
  flex: 0 0 auto;
  width: 1.95rem;
  height: 1.95rem;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: .95rem;
}
.step__head h3 {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -.01em;
}
.step__body > :first-child { margin-top: 0; }
.step__body > :last-child { margin-bottom: 0; }
.step__body p { margin: .6rem 0; }

/* ---------- Callouts (Notion-style) ---------- */
.callout {
  border: 1px solid var(--border);
  border-left-width: 3px;
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  margin: 1.1rem 0;
  font-size: .96rem;
}
.callout p { margin: .3rem 0; }
.callout > :first-child { margin-top: 0; }
.callout > :last-child { margin-bottom: 0; }
.callout__label {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .01em;
  margin-bottom: .3rem;
}
.callout--tip {
  background: var(--tip-bg);
  border-color: var(--tip-border);
  border-left-color: var(--tip-accent);
}
.callout--tip .callout__label { color: var(--tip-text); }
.callout--warn {
  background: var(--warn-bg);
  border-color: var(--warn-border);
  border-left-color: var(--warn-accent);
}
.callout--warn .callout__label { color: var(--warn-text); }
.callout--note {
  background: var(--note-bg);
  border-color: var(--note-border);
  border-left-color: var(--note-accent);
}
.callout--note .callout__label { color: var(--note-text); }
.callout a {
  color: var(--accent-dark);
  text-decoration: underline;
  font-weight: 500;
}

/* ---------- Code / copyable snippets ---------- */
code {
  font-family: var(--mono);
  font-size: .86em;
  background: var(--bg-band);
  border: 1px solid var(--hairline);
  border-radius: 5px;
  padding: .12em .4em;
  word-break: break-word;
  color: #d6336c;
}
.callout code { color: inherit; background: rgba(0, 0, 0, .04); }

.snippet {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin: 1rem 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-band);
}
.snippet code {
  flex: 1 1 auto;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: .75rem .9rem;
  display: flex;
  align-items: center;
  overflow-x: auto;
  white-space: nowrap;
  font-size: .88rem;
  color: var(--text);
}
.snippet__copy {
  flex: 0 0 auto;
  border: 0;
  border-left: 1px solid var(--border-strong);
  background: #fff;
  color: var(--accent);
  font: inherit;
  font-size: .82rem;
  font-weight: 600;
  padding: 0 1rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background .12s ease;
}
.snippet__copy:hover { background: var(--accent-soft); }
.snippet__copy.is-copied { color: var(--tip-accent); }

.cell-ref {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: 5px;
  padding: .08em .4em;
  font-size: .84em;
}

/* ---------- Day-to-day list ---------- */
.daily { display: grid; gap: .75rem; margin-top: 1rem; padding: 0; list-style: none; }
.daily li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  box-shadow: var(--shadow);
}
.daily li strong { color: var(--heading); font-weight: 600; }

/* ---------- Troubleshooting ---------- */
.trouble {
  margin: 1rem 0 0;
  display: grid;
  gap: .75rem;
}
.trouble__item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .95rem 1.1rem;
  box-shadow: var(--shadow);
}
.trouble__item dt {
  font-weight: 600;
  margin-bottom: .25rem;
  color: var(--heading);
}
.trouble__item dd {
  margin: 0;
  color: var(--text-muted);
  font-size: .96rem;
}

/* ---------- Checklist ---------- */
.checklist {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: .55rem;
}
.checklist li {
  display: flex;
  gap: .65rem;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .7rem .9rem;
  box-shadow: var(--shadow);
}
.checklist input[type="checkbox"] {
  margin-top: .25rem;
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent);
  flex: 0 0 auto;
}
.checklist label { cursor: pointer; }
.closing-line {
  margin-top: 1.4rem;
  color: var(--text-muted);
  font-size: .96rem;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--hairline);
  background: var(--bg-soft);
  padding: 2.75rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: .93rem;
}
.site-footer p { margin: .35rem 0; }
.site-footer .heart { color: var(--accent); }

/* ---------- Responsive ---------- */

/* Collapse sidebar into a top toggle below the docs breakpoint */
@media (max-width: 900px) {
  .docs {
    display: block;
    padding-top: 0;
  }
  .nav-toggle { display: inline-block; }
  .toc {
    position: static;
    max-height: none;
    overflow: visible;
    padding-top: 1.5rem;
    margin-bottom: .5rem;
    display: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.1rem;
    background: var(--bg-soft);
    box-shadow: var(--shadow);
  }
  .toc.is-open { display: block; }
  .toc__title { padding-left: 0; }
  main { max-width: none; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .features { grid-template-columns: 1fr; }
  .container { padding: 0; }
  .docs { padding-left: 18px; padding-right: 18px; }
  .step { padding: 1.25rem 1.2rem 1.35rem; }
  .section--alt > .container { padding: 1.4rem 1.3rem 1.6rem; }
  .hero { padding: 3rem 0 2.5rem; }
}

/* ---------- Print ---------- */
@media print {
  .site-nav, .nav-toggle, .skip-link, .toc,
  .hero__cta, .snippet__copy { display: none !important; }

  html, body {
    font-size: 11pt;
    color: #000;
    background: #fff;
  }
  .docs { display: block; padding: 0; }
  main { max-width: none; }
  .hero {
    padding: 1rem 0;
    background: none;
    border-bottom: 1px solid #999;
  }
  h1, h2, h3, h4 { color: #000; }
  a { color: #000; text-decoration: underline; }
  code { color: #000; }
  .step, .feature, .callout, .trouble__item, .daily li,
  .facts li, .checklist li {
    box-shadow: none;
    break-inside: avoid;
    page-break-inside: avoid;
  }
  .section--alt > .container { background: none; border-color: #999; }
  section { padding-top: 1.25rem; }
}