/* Addaa Help Center — aligns with landing (Syne + Plus Jakarta, coral/teal accents) */
:root {
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
  --ink: #0f172a;
  --ink-soft: #334155;
  --coral: #e85d34;
  --teal: #0891b2;
  --muted: #64748b;
  --border: #e2e8f0;
  --card: #ffffff;
  --bg: linear-gradient(165deg, #f8fafc 0%, #f1f5f9 40%, #e2e8f0 100%);
  --nav-bg: rgba(255, 255, 255, 0.92);
  --radius: 12px;
  --sidebar-width: 240px;
  --max-content: 720px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #ebecec;
    --ink-soft: #b8c4c4;
    --muted: #94a3b8;
    --border: #2c3030;
    --card: #1a1e1e;
    --bg: linear-gradient(180deg, #0f1212 0%, #1a1e1e 50%, #0f1212 100%);
    --nav-bg: rgba(15, 18, 18, 0.9);
  }
}

[data-theme="dark"] {
  --ink: #ebecec;
  --ink-soft: #b8c4c4;
  --muted: #94a3b8;
  --border: #2c3030;
  --card: #1a1e1e;
  --bg: linear-gradient(180deg, #0f1212 0%, #1a1e1e 50%, #0f1212 100%);
  --nav-bg: rgba(15, 18, 18, 0.9);
}

[data-theme="light"] {
  --ink: #1c1917;
  --ink-soft: #44403c;
  --muted: #78716c;
  --border: #e7e5e4;
  --card: #ffffff;
  --bg: linear-gradient(180deg, #fefdfb 0%, #f8fafc 50%, #f1f5f9 100%);
  --nav-bg: rgba(255, 255, 255, 0.88);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
}

h1, h2, h3, .logo {
  font-family: var(--font-display);
}

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--coral);
}

/* Nav */
.help-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.help-nav .inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.help-nav .logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--ink);
  text-decoration: none;
}

.help-nav .logo span {
  color: var(--coral);
}

.help-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  align-items: center;
}

.help-nav a.nav-link {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
}

.help-nav a.nav-link:hover,
.help-nav a.nav-link[aria-current="page"] {
  color: var(--coral);
}

.help-nav .nav-cta {
  background: var(--coral);
  color: #fff !important;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.875rem;
}

.help-nav .nav-cta:hover {
  filter: brightness(1.08);
  color: #fff !important;
}

#theme-toggle {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

#theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* Layout */
.help-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 900px) {
  .help-shell.has-sidebar {
    grid-template-columns: var(--sidebar-width) 1fr;
    align-items: start;
  }
}

.help-sidebar {
  position: sticky;
  top: 4.5rem;
}

.help-sidebar h2 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.help-sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.help-sidebar li {
  margin-bottom: 0.35rem;
}

.help-sidebar a {
  display: block;
  padding: 0.35rem 0;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: 6px;
}

.help-sidebar a:hover,
.help-sidebar a[aria-current="page"] {
  color: var(--coral);
  font-weight: 600;
}

/* Hub cards */
.help-hero {
  text-align: center;
  padding: 2rem 0 1rem;
  max-width: 640px;
  margin: 0 auto 2rem;
}

.help-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin: 0 0 0.75rem;
  line-height: 1.15;
}

.help-hero p {
  color: var(--ink-soft);
  margin: 0;
  font-size: 1.05rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.help-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.help-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.help-card h2 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--ink);
}

.help-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.help-card .tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--teal);
  margin-bottom: 0.5rem;
}

/* Article */
.doc-page {
  max-width: var(--max-content);
}

.doc-page h1 {
  font-size: 1.85rem;
  margin: 0 0 0.5rem;
  line-height: 1.2;
}

.doc-lead {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0 0 2rem;
}

.doc-page h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.doc-page h2:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.doc-page h3 {
  font-size: 1.05rem;
  margin: 1.25rem 0 0.5rem;
}

.doc-page ol, .doc-page ul {
  padding-left: 1.25rem;
  color: var(--ink-soft);
}

.doc-page li {
  margin-bottom: 0.35rem;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--muted);
}

.callout {
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin: 1.25rem 0;
  font-size: 0.95rem;
}

.callout.tip {
  background: rgba(8, 145, 178, 0.1);
  border: 1px solid rgba(8, 145, 178, 0.25);
}

.callout.note {
  background: rgba(232, 93, 52, 0.08);
  border: 1px solid rgba(232, 93, 52, 0.22);
}

/* Screenshot placeholders — add <img> inside when assets exist */
.screenshot-ph {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
  padding: 1rem;
  margin: 1rem 0;
  overflow: hidden;
}

.screenshot-ph img {
  max-width: 100%;
  width: auto;
  height: auto;
  display: block;
  border-radius: calc(var(--radius) - 2px);
  vertical-align: middle;
}

.screenshot-ph strong {
  display: block;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

figure.doc-figure {
  margin: 1.5rem 0;
}

figure.doc-figure figcaption {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

/* Footer */
.help-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--muted);
  text-align: center;
}

.help-footer a {
  color: var(--ink-soft);
}

kbd {
  font-family: ui-monospace, monospace;
  font-size: 0.85em;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--card);
}