:root {
  color-scheme: dark;

  --color-bg: #141414;
  --color-surface: #1c1c1e;
  --color-surface-2: #232325;
  --color-surface-3: #2b2b2e;
  --color-border: rgba(255, 255, 255, 0.07);
  --color-border-strong: rgba(255, 255, 255, 0.12);

  --color-fg: #f5f5f6;
  --color-muted: #8a8a8f;
  --color-subtle: #5a5a60;

  --color-accent: #485ae2;
  --color-accent-ink: #ffffff;
  --color-accent-soft: rgba(72, 90, 226, 0.14);
  --color-accent-deep: #3140b8;

  --color-danger: #ef5a6f;
  --color-warning: #e7b15a;
  --color-success: #41d195;
}

html,
body {
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11", "ss01";
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

a {
  color: inherit;
}

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

a.accent-link:hover {
  filter: brightness(1.15);
}

.label-mono {
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--color-subtle);
}

.tile {
  position: relative;
  border-radius: 14px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.tile-padded {
  padding: 1.25rem;
}

.tile-hover:hover {
  border-color: var(--color-border-strong);
}

.tile-accent-glow {
  box-shadow:
    0 0 0 1px rgba(72, 90, 226, 0.35),
    0 0 24px -4px rgba(72, 90, 226, 0.42);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 2rem;
  padding: 0 0.75rem;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.015em;
  white-space: nowrap;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-radius: 2px;
  box-shadow:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.12),
    0 6px 14px -6px rgba(72, 90, 226, 0.55);
  transition: filter 150ms;
}

.btn-primary:hover { filter: brightness(1.1); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 2rem;
  padding: 0 0.75rem;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  color: var(--color-fg);
  border-radius: 2px;
  transition: background-color 150ms;
}

.btn-ghost:hover { background: var(--color-surface-2); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 2rem;
  padding: 0 0.75rem;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  color: var(--color-fg);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  transition: border-color 150ms;
}

.btn-secondary:hover { border-color: var(--color-border-strong); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.125rem 0.5rem;
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
  font-weight: 500;
  border-radius: 4px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.chip .dot {
  flex-shrink: 0;
}

.chip-accent { background: var(--color-accent-soft); color: var(--color-accent); }
.chip-success { background: rgba(65, 209, 149, 0.15); color: var(--color-success); }
.chip-warning { background: rgba(231, 177, 90, 0.15); color: var(--color-warning); }
.chip-muted { background: var(--color-surface-2); color: var(--color-muted); }

.chip .dot {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 9999px;
}
.chip-accent .dot { background: var(--color-accent); }
.chip-success .dot { background: var(--color-success); }
.chip-warning .dot { background: var(--color-warning); }
.chip-muted .dot { background: var(--color-subtle); }

/* Prose-like content for the long pages */
.content h2 {
  margin-top: 3rem;
  margin-bottom: 1rem;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-fg);
  scroll-margin-top: 6rem;
}

.content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--color-fg);
}

.content p,
.content li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-fg);
}

.content p,
.content ul,
.content ol,
.content table,
.content pre,
.content blockquote {
  margin-bottom: 1rem;
}

.content ul { list-style: disc; padding-left: 1.4rem; }
.content ol { list-style: decimal; padding-left: 1.4rem; }
.content ul li,
.content ol li { margin-bottom: 0.35rem; }

.content code {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86em;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 0.1em 0.35em;
  color: var(--color-fg);
}

.content pre {
  background: #0c0d10;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.25rem;
  overflow-x: auto;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--color-fg);
}

.content pre code {
  background: transparent;
  border: 0;
  padding: 0;
  font-size: inherit;
}

.content table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  font-size: 14px;
  display: table;
}

.content table thead {
  background: var(--color-surface-2);
}

.content table th,
.content table td {
  text-align: left;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.content table th {
  font-weight: 600;
  color: var(--color-fg);
  font-size: 13px;
}

.content table tbody tr:last-child td {
  border-bottom: 0;
}

.content table tbody tr:hover {
  background: rgba(255, 255, 255, 0.015);
}

.content hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: 2.5rem 0;
}

.content blockquote {
  border-left: 2px solid var(--color-accent);
  padding-left: 1rem;
  color: var(--color-muted);
  background: var(--color-accent-soft);
  border-radius: 0 6px 6px 0;
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}

.content strong { font-weight: 600; color: var(--color-fg); }

.content a:not(.no-style) {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(72, 90, 226, 0.4);
  transition: border-color 150ms;
}

.content a:not(.no-style):hover {
  border-bottom-color: var(--color-accent);
}

/* TOC */
.toc a {
  display: block;
  padding: 0.25rem 0;
  font-size: 13px;
  color: var(--color-muted);
  text-decoration: none;
  border-left: 1px solid transparent;
  padding-left: 0.75rem;
  margin-left: -0.75rem;
  transition: color 150ms, border-color 150ms;
}

.toc a:hover {
  color: var(--color-fg);
  border-left-color: var(--color-border-strong);
}

.wordmark {
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.025em;
  color: var(--color-fg);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.wordmark .dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
}