:root {
  color-scheme: dark;
  --bg: #000000;
  --bg-elevated: #161617;
  --text: #f5f5f7;
  --muted: #a1a1a6;
  --line: #1d1d1f;
  --accent: #0a84ff;
  --accent-dark: #1b6fe5;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  --radius: 22px;
  --max-width: 980px;
  --nav-height: 47px;
  --nav-bg: rgba(22, 22, 23, 0.88);
  --nav-border: #1d1d1f;
  --nav-text: #d2d2d7;
  --nav-text-strong: #ffffff;
  --media-radius: 28px;
  --media-image-radius: 20px;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --bg-elevated: #ffffff;
  --text: #0f0f10;
  --muted: #5f5f66;
  --line: #d0d0d4;
  --accent: #0071e3;
  --accent-dark: #005bb5;
  --shadow: 0 18px 40px rgba(15, 15, 16, 0.12);
  --nav-bg: rgba(248, 248, 250, 0.9);
  --nav-border: rgba(0, 0, 0, 0.08);
  --nav-text: #3a3a3f;
  --nav-text-strong: #121214;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(20px);
}

.global-nav {
  background: var(--nav-bg);
  border-bottom: none;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: var(--nav-height);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 24px;
  font-size: 12px;
  color: var(--nav-text);
  letter-spacing: 0.01em;
}

.nav-logo {
  display: flex;
  align-items: center;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--nav-text-strong);
  text-transform: none;
  justify-self: start;
  line-height: 1;
}

.nav-links {
  display: flex;
  gap: 26px;
  justify-self: center;
}

.nav-links a {
  font-weight: 400;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--nav-text-strong);
}

.nav-links a.is-active {
  color: var(--nav-text-strong);
}

.nav-icons {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--nav-text);
  justify-self: end;
}

.nav-search {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  display: grid;
  place-items: center;
  padding: 0;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.nav-search:hover {
  border-color: transparent;
  background: transparent;
  color: #ffffff;
}

html[data-theme="light"] .nav-search:hover {
  border-color: transparent;
  background: transparent;
  color: #000000;
}

.nav-icons svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-toggle {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  position: relative;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.theme-toggle:hover {
  border-color: transparent;
  background: transparent;
  color: #ffffff;
}

.theme-toggle:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.65);
  outline-offset: 3px;
}

html[data-theme="light"] .theme-toggle:hover {
  border-color: transparent;
  background: transparent;
  color: #000000;
}

html[data-theme="light"] .theme-toggle:focus-visible {
  outline: 2px solid rgba(0, 0, 0, 0.5);
}

.theme-icon {
  position: absolute;
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 1.6;
  fill: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.theme-icon--moon {
  fill: currentColor;
  stroke: none;
  opacity: 0;
  transform: scale(0.8);
}

html[data-theme="light"] .theme-icon--sun {
  opacity: 0;
  transform: scale(0.8);
}

html[data-theme="light"] .theme-icon--moon {
  opacity: 1;
  transform: scale(1);
}

.search-overlay {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--nav-bg);
  backdrop-filter: blur(24px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 9;
  padding-bottom: 55px;
}

.search-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.search-panel {
  max-width: 720px;
  margin: 48px auto 0;
  padding: 0 24px;
  transform: translateX(-12px);
  color: var(--text);
}

.search-input-row {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 16px 0 18px;
  border-bottom: none;
}

.search-input-row input {
  font-size: 28px;
  line-height: 1.2;
  font-weight: 500;
  background: transparent;
  border: none;
  color: var(--text);
  outline: none;
}

.search-input-row input::placeholder {
  color: color-mix(in srgb, var(--text) 50%, transparent);
  font-size: 20px;
}

.search-icon {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 1.6;
  fill: none;
  opacity: 0.65;
}

.search-close {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: var(--text);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.search-recommendations {
  margin-top: 20px;
  display: grid;
  gap: 14px;
}

.search-kicker {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: none;
  color: color-mix(in srgb, var(--text) 55%, transparent);
}

.search-recommendations ul {
  list-style: none;
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
}

.search-recommendations a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  color: var(--text);
  cursor: pointer;
}

.search-recommendations a::before {
  content: "→";
  color: color-mix(in srgb, var(--text) 60%, transparent);
}

.search-tag {
  margin-left: 10px;
  font-size: 12px;
  color: color-mix(in srgb, var(--text) 55%, transparent);
}

.search-empty {
  font-size: 14px;
  color: color-mix(in srgb, var(--text) 55%, transparent);
}

.is-search-open {
  overflow: hidden;
}

@media (max-width: 720px) {
  .search-panel {
    margin-top: 36px;
  }

  .search-input-row input {
    font-size: 22px;
  }
}

@media (max-width: 840px) {
  .nav-links {
    display: none;
  }
}

@media (max-width: 560px) {
  .nav-inner {
    padding: 0 16px;
  }
}