/* Shared site chrome: theme tokens, navigation, theme switcher and footer.
   Also loaded inside the generated Quartz notes, so every rule stays scoped to
   the shell and never leaks into page content. */

.site-navigation,
.site-navigation *,
.site-footer,
.site-footer * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #ffffff;
  --text: #111111;
  --text-body: #374151;
  --text-soft: #4b5563;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --border: #e5e7eb;
  --card-bg: #f9fafb;
  --nav-bg: rgba(255, 255, 255, 0.92);
  --badge-bg: #eff6ff;
  --badge-border: #bfdbfe;
  --email-card-bg: #f4f8ff;
  --email-card-border: #c7dbff;
  --email-card-hover: #93c5fd;
  --email-icon-bg: #dbeafe;
  --email-icon-text: #1e40af;
  --max-w: 720px;
  --nav-height: 56px;
}

html[data-theme="dark"] {
  --bg: #0b1220;
  --text: #e5e7eb;
  --text-body: #d1d5db;
  --text-soft: #9ca3af;
  --muted: #9ca3af;
  --accent: #60a5fa;
  --accent-strong: #93c5fd;
  --border: #1f2937;
  --card-bg: #111827;
  --nav-bg: rgba(11, 18, 32, 0.92);
  --badge-bg: #172554;
  --badge-border: #1d4ed8;
  --email-card-bg: #0f172a;
  --email-card-border: #1e3a8a;
  --email-card-hover: #2563eb;
  --email-icon-bg: #1e3a8a;
  --email-icon-text: #bfdbfe;
}

html:not([data-theme]) {
  color-scheme: light dark;
}

/* ── Navigation ── */
.site-navigation {
  position: sticky;
  top: 0;
  background: var(--nav-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 clamp(0.75rem, 4vw, 2rem);
  height: var(--nav-height);
  z-index: 100;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
}

.nav-name {
  flex: 0 0 auto;
  min-width: max-content;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.site-navigation ul {
  flex: 0 0 auto;
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
  white-space: nowrap;
}

.site-navigation a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 0.15s;
}

.site-navigation a:hover {
  color: var(--text);
}

.nav-measurement {
  position: fixed;
  top: 0;
  left: -10000px;
  visibility: hidden;
  pointer-events: none;
}

.nav-measurement > .nav-links {
  width: max-content;
}

.site-navigation.nav-is-collapsed .nav-measurement .theme-switcher {
  margin: 0;
  padding: 0;
  border: 0;
}

.nav-toggle {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle[hidden] {
  display: none;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--accent);
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.15s, background 0.15s;
}

.nav-toggle-icon {
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  position: absolute;
  left: 0;
  content: "";
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.site-navigation.nav-menu-open .nav-toggle-icon {
  background: transparent;
}

.site-navigation.nav-menu-open .nav-toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.site-navigation.nav-menu-open .nav-toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

.site-navigation.nav-is-collapsed > .nav-links {
  position: absolute;
  top: calc(100% + 1px);
  right: clamp(0.75rem, 4vw, 2rem);
  width: min(18rem, calc(100% - 1.5rem));
  max-height: calc(100vh - var(--nav-height) - 1rem);
  max-height: calc(100dvh - var(--nav-height) - 1rem);
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14);
  display: grid;
  gap: 0.125rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  white-space: normal;
}

.site-navigation.nav-is-collapsed > .nav-links[hidden] {
  display: none;
}

.site-navigation.nav-is-collapsed > .nav-links > li {
  display: flex;
  width: 100%;
}

.site-navigation.nav-is-collapsed > .nav-links > li > a {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: 6px;
  overflow-wrap: anywhere;
}

.site-navigation.nav-is-collapsed > .nav-links > li > a:hover,
.site-navigation.nav-is-collapsed > .nav-links > li > a:focus-visible {
  background: var(--email-card-bg);
  color: var(--text);
}

.site-navigation.nav-is-collapsed .theme-switcher {
  justify-content: flex-end;
  margin-top: 0.25rem;
  padding: 0.5rem 0.75rem 0;
  border-top: 1px solid var(--border);
}

/* ── Theme switcher ── */
.theme-switcher {
  position: relative;
  display: inline-flex;
}

.theme-toggle {
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--accent);
}

.theme-glyph {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 1.5px solid var(--text);
  background: linear-gradient(90deg, var(--text) 50%, transparent 50%);
}

.theme-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 120px;
  padding: 0.35rem;
  display: grid;
  gap: 0.2rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card-bg);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
  z-index: 220;
}

.theme-menu[hidden] {
  display: none;
}

.theme-option {
  text-align: left;
  border: 0;
  background: transparent;
  color: var(--text);
  border-radius: 8px;
  padding: 0.38rem 0.5rem;
  font-size: 0.82rem;
  cursor: pointer;
}

.theme-option:hover {
  background: var(--email-card-bg);
}

.theme-option.is-active {
  background: var(--email-card-bg);
  color: var(--accent-strong);
  font-weight: 600;
}

.site-navigation .sr-only,
.site-footer .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
}

.legal-links {
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.legal-links a {
  color: var(--muted);
  text-decoration: none;
}

.legal-links a:hover {
  text-decoration: underline;
  color: var(--text);
}

/* Fits the generated Quartz notes inside the site shell.
   Loaded only on /notes/ pages, appended after shell.css. */

.site-navigation {
  z-index: 1000;
}

/* Quartz pins its sidebars to the viewport top, which the sticky navbar now occupies. */
#quartz-root .sidebar {
  top: var(--nav-height);
  max-height: calc(100vh - var(--nav-height));
}

#quartz-root .page > #quartz-body {
  margin-top: 1rem;
}

.site-footer {
  margin-top: 2rem;
}