/* Site navigation — Pic 2 full-screen overlay + desktop inline bar.
   Load after cosmos-v2-tokens (+ me-shared on docs pages). */

/* ── Top bar (closed state) ────────────────────────────────────────── */
nav.site-nav,
nav.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: max(14px, env(safe-area-inset-top, 0px)) max(24px, env(safe-area-inset-right, 0px)) 14px max(24px, env(safe-area-inset-left, 0px));
  background: linear-gradient(
    to bottom,
    rgba(4, 6, 12, 0.82) 0%,
    rgba(4, 6, 12, 0.42) 72%,
    transparent 100%
  );
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
}

body.nav-open nav.site-nav,
body.nav-open nav.landing-nav {
  z-index: 300;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

nav.site-nav .word,
nav.landing-nav .word {
  flex: 0 0 auto;
  font-family: var(--font-cosmos, Georgia, serif);
  font-weight: 400;
  font-variation-settings: var(--font-cosmos-opsz-body, normal);
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--ink-1, #fff);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  z-index: 2;
}

/* ── Desktop inline links ────────────────────────────────────────────── */
nav.site-nav .nav-right,
nav.site-nav .right,
nav.landing-nav .nav-right,
nav.landing-nav .right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 2.4vw, 28px);
  min-width: 0;
  font-family: var(--font-meta, ui-monospace, monospace);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: lowercase;
}

nav.site-nav .nav-right a,
nav.site-nav .right a,
nav.landing-nav .nav-right a,
nav.landing-nav .right a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink-3, rgba(255, 255, 255, 0.52));
  text-decoration: none;
  white-space: nowrap;
  border-bottom: none;
  transition: color 220ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1));
  -webkit-tap-highlight-color: transparent;
}

nav.site-nav .nav-right a:hover,
nav.site-nav .right a:hover,
nav.landing-nav .nav-right a:hover,
nav.landing-nav .right a:hover,
nav.site-nav .nav-right a:focus-visible,
nav.site-nav .right a:focus-visible,
nav.landing-nav .nav-right a:focus-visible,
nav.landing-nav .right a:focus-visible {
  color: var(--ink-1, #fff);
  outline: none;
}

nav.site-nav .nav-right a.current,
nav.site-nav .right a.current,
nav.landing-nav .nav-right a.current,
nav.landing-nav .right a.current {
  color: var(--ink-1, #fff);
}

body[data-nav-context="explore"] nav .nav-right a.current,
body[data-nav-context="explore"] nav .right a.current {
  color: var(--kind-observed, #7fedc7);
}

/* Home desktop bar — hero owns create account */
body[data-nav-context="home"]:not(.nav-open) nav .nav-cta-create {
  display: none !important;
}

nav.site-nav [data-nav-auth],
nav.landing-nav [data-nav-auth] {
  display: inline-flex;
  align-items: center;
}

nav.site-nav [data-nav-auth] a,
nav.landing-nav [data-nav-auth] a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--ink-3, rgba(255, 255, 255, 0.52));
  text-decoration: none;
  transition: color 220ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1));
}

nav.site-nav [data-nav-auth] a:hover,
nav.landing-nav [data-nav-auth] a:hover {
  color: var(--ink-1, #fff);
}

@media (min-width: 721px) {
  body[data-nav-context="home"] nav [data-nav-auth] a {
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    color: var(--ink-2, rgba(255, 255, 255, 0.78));
  }

  body[data-nav-context="home"] nav [data-nav-auth] a:hover {
    background: rgba(255, 255, 255, 0.11);
    color: var(--ink-1, #fff);
  }

  body[data-nav-context="home"] nav.site-nav,
  body[data-nav-context="home"] nav.landing-nav {
    padding-left: max(32px, env(safe-area-inset-left, 0px));
    padding-right: max(32px, env(safe-area-inset-right, 0px));
  }

  body[data-nav-context="home"] nav .word {
    font-size: 19px;
  }

  body.cosmos-app[data-nav-context="home"] nav.site-nav .right a,
  body.cosmos-app[data-nav-context="home"] nav.site-nav .right a:visited {
    font-family: var(--font-meta, ui-monospace, monospace);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: lowercase;
    -webkit-text-fill-color: var(--ink-3, rgba(255, 255, 255, 0.52));
  }

  body[data-nav-context="explore"] nav.site-nav.cosmos-nav {
    min-height: 64px;
    padding-bottom: 18px;
  }
}

/* ── Menu toggle + close (mobile) ──────────────────────────────────── */
.nav-toggle,
.nav-close {
  flex: 0 0 auto;
  margin-left: auto;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  z-index: 2;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-2, rgba(255, 255, 255, 0.72));
  transition:
    background 220ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1)),
    border-color 220ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1)),
    color 220ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1));
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--ink-1, #fff);
  outline: none;
}

.nav-toggle-icon {
  width: 18px;
  height: 18px;
  display: block;
}

.nav-toggle-line {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
}

.nav-close {
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: transparent;
  color: var(--ink-2, rgba(255, 255, 255, 0.72));
  font-family: var(--font-meta, ui-monospace, monospace);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition:
    color 220ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1)),
    border-color 220ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1));
}

.nav-close:hover,
.nav-close:focus-visible {
  color: var(--ink-1, #fff);
  border-color: rgba(255, 255, 255, 0.32);
  outline: none;
}

/* ── Full-screen overlay (Pic 2) ─────────────────────────────────── */
.nav-overlay-root {
  position: fixed;
  inset: 0;
  z-index: 280;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 360ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1));
}

body.nav-open .nav-overlay-root {
  pointer-events: auto;
  opacity: 1;
}

body.nav-open {
  overflow: hidden;
}

.nav-overlay-root .nav-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 50% 38%, rgba(40, 90, 140, 0.14) 0%, transparent 62%),
    linear-gradient(180deg, var(--bg-sky, #080d18) 0%, var(--bg-ground, #04060c) 100%);
  opacity: 1;
}

.nav-overlay-root .nav-right,
.nav-overlay-root .right {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(22px, 5.5vw, 34px);
  width: 100%;
  max-width: 320px;
  padding: 24px;
  margin: 0;
  font-family: var(--font-meta, ui-monospace, monospace);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: lowercase;
  transform: scale(0.96);
  opacity: 0;
  transition:
    transform 420ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1)),
    opacity 320ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1));
}

body.nav-open .nav-overlay-root .nav-right,
body.nav-open .nav-overlay-root .right {
  transform: scale(1);
  opacity: 1;
}

.nav-overlay-root .nav-right a,
.nav-overlay-root .right a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: var(--ink-3, rgba(255, 255, 255, 0.56));
  border: none;
  text-decoration: none;
  transition: color 200ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1));
}

.nav-overlay-root .nav-right a:hover,
.nav-overlay-root .right a:hover,
.nav-overlay-root .nav-right a:focus-visible,
.nav-overlay-root .right a:focus-visible {
  color: var(--ink-1, #fff);
  outline: none;
}

.nav-overlay-root .nav-right a.current,
.nav-overlay-root .right a.current {
  color: var(--kind-observed, #7fedc7);
}

.nav-overlay-root [data-nav-auth] {
  display: flex;
  justify-content: center;
  width: 100%;
}

.nav-overlay-root [data-nav-auth] a {
  min-height: 44px;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: var(--ink-3, rgba(255, 255, 255, 0.56));
  background: transparent;
  border-radius: 0;
  padding: 0;
}

.nav-overlay-root [data-nav-auth] a:hover {
  color: var(--ink-1, #fff);
  background: transparent;
}

/* Stagger link entrance */
body.nav-open .nav-overlay-root .nav-right > a:nth-child(1),
body.nav-open .nav-overlay-root .right > a:nth-child(1) { transition-delay: 40ms; }
body.nav-open .nav-overlay-root .nav-right > a:nth-child(2),
body.nav-open .nav-overlay-root .right > a:nth-child(2) { transition-delay: 70ms; }
body.nav-open .nav-overlay-root .nav-right > a:nth-child(3),
body.nav-open .nav-overlay-root .right > a:nth-child(3) { transition-delay: 100ms; }
body.nav-open .nav-overlay-root .nav-right > a:nth-child(4),
body.nav-open .nav-overlay-root .right > a:nth-child(4) { transition-delay: 130ms; }
body.nav-open .nav-overlay-root .nav-right > a:nth-child(5),
body.nav-open .nav-overlay-root .right > a:nth-child(5) { transition-delay: 160ms; }
body.nav-open .nav-overlay-root [data-nav-auth] { transition-delay: 190ms; }

.nav-overlay-root .nav-right > a,
.nav-overlay-root .right > a,
.nav-overlay-root [data-nav-auth] {
  opacity: 0;
  transform: translateY(8px);
  transition:
    color 200ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1)),
    opacity 360ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1)),
    transform 420ms var(--ease-soft, cubic-bezier(0.16, 1, 0.3, 1));
}

body.nav-open .nav-overlay-root .nav-right > a,
body.nav-open .nav-overlay-root .right > a,
body.nav-open .nav-overlay-root [data-nav-auth] {
  opacity: 1;
  transform: translateY(0);
}

/* Signed-in app — never show Pic 2 overlay chrome */
body.cosmos-app-has-tabs .nav-overlay-root,
body.cosmos-app-has-tabs .nav-toggle,
body.cosmos-app-has-tabs .nav-close {
  display: none !important;
}

body.cosmos-app-has-tabs.nav-open {
  overflow: auto;
}

body.cosmos-app-has-tabs .nav-overlay-root .nav-right,
body.cosmos-app-has-tabs .nav-overlay-root .right {
  flex-direction: column !important;
}

/* ── Overlay chrome: hamburger + links live in full-screen sheet ───── */
body[data-nav-sheet="1"]:not(.cosmos-app-has-tabs) .nav-toggle {
  display: inline-flex;
}

body[data-nav-sheet="1"]:not(.cosmos-app-has-tabs):not(.nav-open) nav.site-nav > .nav-right,
body[data-nav-sheet="1"]:not(.cosmos-app-has-tabs):not(.nav-open) nav.site-nav > .right,
body[data-nav-sheet="1"]:not(.cosmos-app-has-tabs):not(.nav-open) nav.landing-nav > .nav-right,
body[data-nav-sheet="1"]:not(.cosmos-app-has-tabs):not(.nav-open) nav.landing-nav > .right {
  display: none !important;
}

@media (max-width: 720px) {
  body[data-nav-sheet="1"]:not(.cosmos-app-has-tabs) .nav-close[hidden] {
    display: none !important;
  }
}

/* ── Desktop: signed-in app keeps inline links; marketing uses Pic 2 ─ */
@media (min-width: 721px) {
  body:not([data-nav-overlay="1"]) .nav-overlay-root {
    display: none !important;
  }

  body:not([data-nav-overlay="1"]) .nav-toggle,
  body:not([data-nav-overlay="1"]) .nav-close {
    display: none !important;
  }

  body:not([data-nav-overlay="1"])[data-nav-sheet="1"] nav .nav-right,
  body:not([data-nav-overlay="1"])[data-nav-sheet="1"] nav .right {
    display: flex !important;
  }

  body[data-nav-overlay="1"] .nav-close:not([hidden]) {
    display: inline-flex;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-overlay-root,
  .nav-overlay-root .nav-right,
  .nav-overlay-root .right,
  .nav-overlay-root .nav-right > a,
  .nav-overlay-root .right > a,
  .nav-overlay-root [data-nav-auth] {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}