/*
 * Same token system as the app itself (src/renderer/src/design-tokens/tokens.css) -
 * the docs site and the app should read as one product, not two.
 */
:root {
  color-scheme: light dark;

  --color-bg: #f5f2ec;
  --color-bg-elevated: #ffffff;
  --color-bg-sunken: #faf8f3;
  --color-text: #1b1917;
  --color-text-muted: #756b5c;
  --color-border: #ddd6c9;
  --color-border-strong: #c7bfae;

  --color-accent: #1e5f74;
  --color-accent-ink: #ffffff;
  --color-accent-soft: #e3eef1;

  --color-danger: #b3392c;
  --color-danger-soft: #f7e4e1;
  --color-success: #3f7d4f;
  --color-success-soft: #e5f0e6;
  --color-warning: #b8842e;
  --color-warning-soft: #f5ead4;

  --shadow-card: 0 1px 2px rgba(27, 25, 23, 0.06), 0 10px 28px rgba(27, 25, 23, 0.08);
  --radius: 6px;
  --radius-lg: 10px;

  --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-family-mono: 'Cascadia Code', Consolas, ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --spacing-1: 4px;
  --spacing-2: 8px;
  --spacing-3: 12px;
  --spacing-4: 16px;
  --spacing-5: 24px;
  --spacing-6: 32px;
  --spacing-7: 48px;

  --content-width: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #171513;
    --color-bg-elevated: #221f1c;
    --color-bg-sunken: #1c1a17;
    --color-text: #efe9df;
    --color-text-muted: #a89d8c;
    --color-border: #3a352c;
    --color-border-strong: #4a4438;

    --color-accent: #62a6b8;
    --color-accent-ink: #0e2429;
    --color-accent-soft: #1f3238;

    --color-danger: #e0685a;
    --color-danger-soft: #3a2320;
    --color-success: #6fbd82;
    --color-success-soft: #223122;
    --color-warning: #d9a857;
    --color-warning-soft: #362a18;

    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 28px rgba(0, 0, 0, 0.4);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.6;
}

a {
  color: var(--color-accent);
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
  text-wrap: balance;
}

code {
  font-family: var(--font-family-mono);
  background: var(--color-bg-sunken);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.9em;
}

/* ---------- Topbar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-5);
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
}

.topbar .icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.topbar .name {
  font-weight: 700;
  font-size: 15px;
}

.topbar .spacer {
  margin-left: auto;
}

.topbar-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.topbar-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
}
.topbar-links a:hover {
  color: var(--color-text);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-family);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border-radius: var(--radius);
  border: 1px solid var(--color-border-strong);
  background: var(--color-bg-elevated);
  color: var(--color-text);
  padding: 7px 14px;
  white-space: nowrap;
}
.btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}
.btn-primary:hover {
  filter: brightness(1.08);
  color: var(--color-accent-ink);
}

/* ---------- Shell: sidebar + content ---------- */

.shell {
  display: flex;
  align-items: flex-start;
  max-width: 1180px;
  margin: 0 auto;
  padding: var(--spacing-6) var(--spacing-5);
  gap: var(--spacing-6);
}

.sidebar {
  position: sticky;
  top: 76px;
  flex: 0 0 200px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.sidebar .kicker {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 var(--spacing-1);
}

.sidebar nav {
  display: flex;
  flex-direction: column;
}

.sidebar a {
  display: block;
  padding: 5px 0;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 13.5px;
  border-left: 2px solid transparent;
  padding-left: var(--spacing-2);
}
.sidebar a:hover {
  color: var(--color-text);
}
.sidebar a.active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  font-weight: 600;
}

.content {
  flex: 1;
  min-width: 0;
  max-width: var(--content-width);
}

.content section {
  padding-top: var(--spacing-3);
  margin-bottom: var(--spacing-7);
}
.content section:first-child {
  padding-top: 0;
}

.content h2 {
  font-size: 22px;
  margin: 0 0 var(--spacing-2);
}
.content h3 {
  font-size: 16px;
  margin: var(--spacing-5) 0 var(--spacing-2);
}
.content p {
  margin: 0 0 var(--spacing-3);
  color: var(--color-text);
}
.content ul, .content ol {
  margin: 0 0 var(--spacing-3);
  padding-left: 1.3em;
}
.content li {
  margin-bottom: 4px;
}
.eyebrow {
  color: var(--color-text-muted);
  font-size: 13px;
  margin: 0 0 var(--spacing-4);
}

/* ---------- Hero ---------- */

.hero {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
}
.hero-copy h1 {
  font-size: 34px;
  margin: 0 0 var(--spacing-2);
}
.hero-copy p {
  color: var(--color-text-muted);
  font-size: 16px;
  max-width: 56ch;
}
.hero-actions {
  display: flex;
  gap: var(--spacing-3);
  margin-top: var(--spacing-3);
}

/* ---------- Screenshot frame ---------- */

.shot {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  background: var(--color-bg-elevated);
}
.shot img {
  display: block;
  width: 100%;
  height: auto;
}
.shot-caption {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: 12.5px;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-sunken);
}

/* ---------- Cards (feature grid, callouts) ---------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}
.feature-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  background: var(--color-bg-elevated);
}
.feature-card h4 {
  margin: 0 0 6px;
  font-size: 14px;
}
.feature-card p {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

.callout {
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-soft);
  border-radius: var(--radius);
  padding: var(--spacing-3) var(--spacing-4);
  font-size: 13.5px;
  margin-bottom: var(--spacing-3);
}
.callout strong {
  color: var(--color-accent);
}

/* ---------- Steps ---------- */

.steps {
  list-style: none;
  margin: 0 0 var(--spacing-4);
  padding: 0;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 34px;
  margin-bottom: var(--spacing-3);
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: -1px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Troubleshooting Q&A ---------- */

.qa {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-3) var(--spacing-4);
  margin-bottom: var(--spacing-2);
  background: var(--color-bg-elevated);
}
.qa summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  list-style: none;
}
.qa summary::-webkit-details-marker {
  display: none;
}
.qa summary::before {
  content: '▸';
  display: inline-block;
  margin-right: 8px;
  color: var(--color-accent);
  transition: transform 120ms ease-in-out;
}
.qa[open] summary::before {
  transform: rotate(90deg);
}
.qa p {
  margin: var(--spacing-2) 0 0;
  font-size: 13.5px;
  color: var(--color-text-muted);
}

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-5);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13px;
}
footer a {
  color: var(--color-text-muted);
  margin: 0 var(--spacing-2);
}
footer a:hover {
  color: var(--color-accent);
}

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

@media (max-width: 860px) {
  .shell {
    flex-direction: column;
  }
  .sidebar {
    position: static;
    flex: none;
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--spacing-4) var(--spacing-5);
  }
  .sidebar .group {
    flex: 1 1 auto;
  }
  .content {
    max-width: none;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .hero-copy h1 {
    font-size: 28px;
  }
}