/* lanterns.dev — the lantern menu + popups.
   Extends the scene's system: Nimbus Mono throughout, the two-color chrome, a
   single lantern-amber accent. Popups are paper (light) / ink (dark), translucent
   so the scene stays alive behind them; the scene chrome never changes. */

/* Richer type within the one family — files already ship in assets/fonts. */
@font-face {
  font-family: 'Nimbus Mono';
  src: url('/assets/fonts/NimbusMono-Bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: 'Nimbus Mono';
  src: url('/assets/fonts/NimbusMono-Oblique.woff2') format('woff2');
  font-weight: 400;
  font-style: oblique;
  font-display: swap;
}

/* ---------- the lantern toggle + nav strip (bottom-left desktop) ---------- */

.menu-bar {
  position: fixed;
  left: clamp(16px, 4vmin, 40px);
  bottom: clamp(12px, 3vmin, 28px);
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 30px);
  z-index: 20;
}

.amp {
  position: relative;
  appearance: none;
  border: 0;
  padding: 0;
  background: none;
  cursor: pointer;
  width: 40px;
  aspect-ratio: 524 / 322;
  opacity: 0.9;
  transition: opacity 0.25s ease;
}
.amp:hover,
.amp:focus-visible { opacity: 1; }
/* two color variants stacked → crossfade white (on the scene) / black (over a light popup) */
.amp-ico {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 0.35s ease;
}
.amp-black { opacity: 0; }
.amp.on-light .amp-white { opacity: 0; }
.amp.on-light .amp-black { opacity: 1; }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.2vw, 30px);
  visibility: hidden;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0s linear 0.3s;
}
body.nav-open .nav {
  visibility: visible;
  opacity: 1;
  transform: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
/* the strip isn't part of the popup — hide it once a page is open */
body.popup-open .nav { display: none; }

.nav-item {
  font-size: clamp(11px, 1.5vmin, 13px);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}
.nav .nav-item { color: var(--white); opacity: 0.7; }
.nav .nav-item:hover,
.nav .nav-item:focus-visible { opacity: 1; }
.nav .nav-item.is-active { opacity: 1; color: #e0a24e; }

/* strip items fan out as it opens */
body.nav-open .nav .nav-item { animation: nav-in 0.32s ease both; }
.nav .nav-item:nth-child(1) { animation-delay: 0.02s; }
.nav .nav-item:nth-child(2) { animation-delay: 0.06s; }
.nav .nav-item:nth-child(3) { animation-delay: 0.10s; }
.nav .nav-item:nth-child(4) { animation-delay: 0.14s; }
.nav .nav-item:nth-child(5) { animation-delay: 0.18s; }
@keyframes nav-in {
  from { opacity: 0; transform: translateX(-10px); }
  to   { opacity: 0.7; transform: none; }
}

/* the background wordmark bows out while the popup (with its own logo) is up */
header { transition: opacity 0.34s ease; }
body.popup-open header { opacity: 0; pointer-events: none; }

/* ---------- the popup ---------- */

.popup {
  /* paper by default; dark scheme / explicit dark flip to ink below */
  --bg: #e7e5de;
  --fg: #160e0e;
  --muted: rgba(22, 14, 14, 0.55);
  --accent: #b5701f;
  --edge: rgba(22, 14, 14, 0.14);

  position: fixed;
  z-index: 15;
  /* desktop: a column anchored left, lantern glow peeking at right */
  top: 0;
  left: 0;
  bottom: 0;
  width: min(680px, 52vw);
}
/* dark palette — applyTheme() resolves AUTO to a concrete data-theme, so this is
   the single source (base .popup above is the light palette). */
.popup[data-theme='dark'] {
  --bg: #171010;
  --fg: #e7e5de;
  --muted: rgba(231, 229, 222, 0.55);
  --accent: #e0a24e;
  --edge: rgba(231, 229, 222, 0.14);
}
.popup[hidden] { display: none; }

/* the popup logo — sits exactly where the background wordmark is, for a seamless
   swap; unlike the background one it follows the popup's light/dark. Full opacity
   (outside the translucent panel) so it stays crisp. */
.popup-logo {
  position: absolute;
  top: clamp(16px, 4vmin, 40px);
  left: clamp(16px, 4vmin, 40px);
  width: 140px;
  height: 24px;
  z-index: 3;
  opacity: 0;
  transition: opacity 0.34s ease;
}
body.popup-open .popup-logo { opacity: 1; }
.popup-logo-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 140px;
  height: auto;
  transition: opacity 0.45s ease;
}
.logo-white { opacity: 0; }
.logo-black { opacity: 1; }
.popup[data-theme='dark'] .logo-black { opacity: 0; }
.popup[data-theme='dark'] .logo-white { opacity: 1; }

.popup-panel {
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  display: flex;
  flex-direction: column;
  /* generous top padding clears the logo (item: content sits below it) */
  padding: clamp(78px, 12vmin, 108px) clamp(24px, 4vmin, 48px) 0;
  position: relative;
  z-index: 1;
  /* translucent so the scene shows through; enter/exit + gentle theme fade */
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity 0.34s ease, transform 0.34s ease,
    background-color 0.5s ease, color 0.5s ease;
}
body.popup-open .popup-panel { opacity: 0.8; transform: none; }

.popup-controls {
  position: absolute;
  top: clamp(16px, 4vmin, 40px);
  right: clamp(24px, 4vmin, 48px);
  display: flex;
  align-items: center;
  gap: 18px;
  z-index: 2;
}

.popup-close,
.theme-toggle {
  appearance: none;
  border: 0;
  background: none;
  color: var(--muted);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.2s ease;
}
.popup-close:hover,
.popup-close:focus-visible,
.theme-toggle:hover,
.theme-toggle:focus-visible { color: var(--fg); }
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.4em;
  line-height: 1;
}
.theme-toggle svg { width: 15px; height: 15px; display: block; }

/* in-popup page nav — mobile only (desktop uses the bottom strip) */
.popup-nav { display: none; }

.popup-title {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: 0.01em;
  text-transform: lowercase;
  margin-bottom: clamp(18px, 3vmin, 32px);
  transition: color 0.5s ease;
}

.popup-cols {
  display: flex;
  gap: clamp(20px, 3vw, 44px);
  min-height: 0;
  flex: 1;
}

.popup-side {
  flex: 0 0 auto;
  width: clamp(104px, 12vw, 148px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 6px;
}
.popup-side[hidden] { display: none; }

.side-link {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1.5;
  transition: color 0.2s ease;
}
.side-link:hover,
.side-link:focus-visible { color: var(--fg); }
.side-link.is-active { color: var(--accent); }

.side-post { display: flex; flex-direction: column; gap: 3px; }
.side-post-date {
  font-style: oblique;
  text-transform: none;
  letter-spacing: 0.04em;
  opacity: 0.7;
}

.popup-body {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  max-width: 64ch;
  font-size: clamp(14px, 1.7vmin, 16px);
  line-height: 1.75;
  outline: none;
  padding-bottom: clamp(120px, 34vh, 340px); /* scroll well past the content */
  transition: color 0.5s ease;
}
.popup-body p { margin-bottom: 1.1em; }
.popup-body a { color: var(--accent); text-underline-offset: 3px; }
.popup-body h2 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 2.2em 0 0.9em;
  transition: color 0.5s ease;
}
.popup-body h2:first-child { margin-top: 0; }

.works-list { list-style: none; }
.works-list li { margin-bottom: 0.9em; }
.work-title { font-weight: 700; }

.back {
  display: inline-block;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  margin-bottom: 1.6em;
  transition: color 0.2s ease;
}
.back:hover,
.back:focus-visible { color: var(--fg); }

.post-date { font-style: oblique; color: var(--muted); margin-bottom: 0.3em; }
.post-title {
  font-size: clamp(19px, 2.6vmin, 23px);
  font-weight: 400;
  margin-bottom: 1em;
}

/* copyright — inside the popup on mobile (removed from the footer there) */
.popup-copyright {
  display: none;
  padding: clamp(24px, 6vmin, 48px) 0 clamp(24px, 6vmin, 40px);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- the roaming amber lamp (the popup's signature) ---------- */
/* one amber point-glow fades in at a random spot while the popup is open,
   matching the scene's shoreline lamps (WARM = rgb 255,158,71). JS sets the
   position + toggles .lit. It leaves WITH the popup — no lingering after close. */
.popup-lantern {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  z-index: 4;
  pointer-events: none;
  background: radial-gradient(circle,
    rgba(255, 202, 143, 0.98) 0%,
    rgba(255, 158, 71, 0.85) 22%,
    rgba(255, 158, 71, 0.28) 46%,
    rgba(255, 158, 71, 0) 66%);
  filter: drop-shadow(0 0 4px rgba(255, 150, 70, 0.4));
  opacity: 0;
  transition: opacity 1.5s ease;
}
.popup-lantern.lit { opacity: 0.95; }
/* leaves with the popup — no slow fade lingering after close */
body:not(.popup-open) .popup-lantern { opacity: 0; transition-duration: 0.34s; }

/* ---------- contact form ---------- */

.contact-form { margin-top: 0.4em; max-width: 42ch; }
.field { margin-bottom: 1.3em; }
.field label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5em;
}
.field input,
.field textarea {
  width: 100%;
  appearance: none;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--edge);
  border-radius: 0;
  color: var(--fg);
  font-family: inherit;
  font-size: 15px;
  padding: 6px 0;
  transition: border-color 0.2s ease, color 0.5s ease;
}
.field textarea { resize: vertical; line-height: 1.6; }
.field input:focus,
.field textarea:focus { outline: none; border-color: var(--accent); }
.field input[aria-invalid='true'],
.field textarea[aria-invalid='true'] { border-color: #cc5c3d; }

.field-error { min-height: 1.05em; margin-top: 0.4em; font-size: 12px; color: #cc5c3d; }

/* honeypot — off-screen, hidden from the a11y tree via aria-hidden in markup */
.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.form-foot { display: flex; align-items: center; gap: 18px; margin-top: 1.5em; }
.form-submit {
  appearance: none;
  background: none;
  border: 1px solid var(--fg);
  border-radius: 0;
  color: var(--fg);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 10px 22px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}
.form-submit:hover,
.form-submit:focus-visible { background: var(--fg); color: var(--bg); }
.form-submit:disabled { opacity: 0.5; cursor: default; }

.form-status { font-size: 12px; color: var(--muted); }
.form-status.is-error { color: #cc5c3d; }

/* ---------- mobile: popup covers the whole scene; menu lives inside it ---------- */
@media (max-width: 760px) {
  .menu-bar {
    left: auto;
    bottom: auto;
    top: clamp(16px, 4vmin, 28px);
    right: clamp(16px, 4vmin, 28px);
  }
  body.popup-open .menu-bar { display: none; } /* the popup carries its own close */
  .nav { display: none; }                       /* strip replaced by the in-popup nav */
  footer { display: none; }                     /* copyright moves into the popup */

  .popup { top: 0; left: 0; right: 0; bottom: 0; width: auto; }
  .popup-panel { padding-left: clamp(20px, 6vw, 40px); padding-right: clamp(20px, 6vw, 40px); }
  body.popup-open .popup-panel { opacity: 0.9; } /* more opaque on mobile for readability */
  .popup-controls { right: clamp(20px, 6vw, 40px); }

  .popup-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    margin-bottom: clamp(20px, 4vmin, 34px);
  }
  .popup-nav .nav-item { color: var(--muted); font-size: 14px; }
  .popup-nav .nav-item:hover,
  .popup-nav .nav-item:focus-visible { color: var(--fg); }
  .popup-nav .nav-item.is-active { color: var(--accent); }

  .popup-copyright { display: block; }
  .popup-title { font-size: 18px; }
  .popup-cols { flex-direction: column; gap: 18px; }
  .popup-side { width: auto; flex-direction: row; flex-wrap: wrap; gap: 10px 18px; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .nav,
  body.nav-open .nav,
  body.nav-open .nav .nav-item,
  .popup-panel,
  .popup-logo,
  .popup-logo-img,
  .amp-ico,
  header {
    animation: none;
    transition: none;
    transform: none;
  }
  .popup-lantern { display: none; }
}