/* Main menu — left drawer; tokens match styles.css / welcome.css (heritage slate + teal) */

@import url("fonts/fonts-local.css");

/* Safe fallbacks if a page omits full theme (should rarely apply) */
:root {
  --lux-panel: var(--panel, #121b2d);
  --lux-border: var(--border, rgba(148, 163, 184, 0.14));
  --lux-field-divider: var(--field-divider, rgba(148, 163, 184, 0.12));
  --lux-text: var(--text, #e2e8f0);
  --lux-muted: var(--muted, var(--body-text, #94a3b8));
  --lux-accent: var(--accent, #2dd4bf);
  --lux-accent-hover: var(--accent-hover, #5eead4);
  --lux-accent-2: var(--accent-2, #38bdf8);
  --lux-accent-violet: var(--accent-violet, #a78bfa);
  --lux-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.4));
  --lux-header-bg: var(--panel, #121b2d);
  /* Must match .lux-menu-sheet width — backdrop starts here so the sheet shows the real page behind it */
  --lux-sheet-w: min(22rem, calc(100vw - 2.5rem));
}

body.has-lux-menu {
  padding-bottom: 0;
}

body.has-lux-menu header.top {
  padding-left: 3.75rem;
}

body.has-lux-menu header.welcome-header .welcome-header-inner {
  padding-left: 3.25rem;
}

/* Top-left control — same language as .button.ghost (styles.css) */
.lux-menu-burger {
  position: fixed;
  top: max(0.65rem, env(safe-area-inset-top, 0px));
  left: max(0.65rem, env(safe-area-inset-left, 0px));
  z-index: 10002;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  margin: 0;
  border: 2px solid var(--lux-border);
  border-radius: 8px;
  background: var(--lux-header-bg);
  box-shadow: var(--lux-shadow);
  cursor: pointer;
  color: var(--lux-text);
  -webkit-tap-highlight-color: transparent;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease,
    filter 0.2s ease,
    opacity 0.2s ease,
    visibility 0s linear;
}

.lux-menu-burger:hover {
  border-color: rgba(45, 212, 191, 0.45);
  background: rgba(30, 41, 59, 0.98);
  color: var(--lux-text);
  filter: none;
  box-shadow:
    var(--lux-shadow),
    0 0 24px rgba(45, 212, 191, 0.18),
    0 0 1px rgba(45, 212, 191, 0.35) inset;
}

.lux-menu-burger:focus-visible {
  outline: 2px solid var(--lux-accent);
  outline-offset: 3px;
}

.lux-menu-burger-lines {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  gap: 5px;
  width: 1.25rem;
}

.lux-menu-burger-lines span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: none;
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.25s ease,
    background 0.2s ease;
}

.lux-menu-burger:hover .lux-menu-burger-lines span {
  background: #ffffff;
}

/* Hide hamburger while drawer is open (close via ×, backdrop, or Escape) */
.lux-menu-burger[aria-expanded="true"] {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease,
    filter 0.2s ease,
    opacity 0.2s ease,
    visibility 0s linear 0.2s;
}

.lux-menu {
  position: fixed;
  inset: 0;
  z-index: 10000;
  pointer-events: none;
}

/* Dim only the area past the drawer; blur adds depth over the page */
.lux-menu-backdrop {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--lux-sheet-w);
  right: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px) saturate(0.92);
  -webkit-backdrop-filter: blur(8px) saturate(0.92);
  opacity: 0;
  transition:
    opacity 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    backdrop-filter 0.45s ease;
  pointer-events: none;
}

.lux-menu.is-open .lux-menu-backdrop {
  opacity: 1;
  pointer-events: auto;
}

/*
 * Frosted pane: page still reads through; blur + faint tint = “fancy” without a fake BG stack.
 */
.lux-menu-sheet {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: var(--lux-sheet-w);
  max-width: 100%;
  display: flex;
  flex-direction: column;
  background: linear-gradient(
    105deg,
    rgba(15, 23, 42, 0.42) 0%,
    rgba(15, 23, 42, 0.28) 45%,
    rgba(15, 23, 42, 0.2) 100%
  );
  backdrop-filter: blur(16px) saturate(1.12);
  -webkit-backdrop-filter: blur(16px) saturate(1.12);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0 14px 14px 0;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 0 0 1px rgba(45, 212, 191, 0.12),
    6px 0 36px rgba(0, 0, 0, 0.38),
    0 0 48px rgba(45, 212, 191, 0.07),
    -20px 0 80px rgba(56, 189, 248, 0.04);
  transform: translate3d(-100%, 0, 0) scale(0.98);
  transform-origin: left center;
  opacity: 0.96;
  transition:
    transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.4s ease,
    box-shadow 0.4s ease;
  will-change: transform;
  pointer-events: auto;
  touch-action: manipulation;
}

.lux-menu.is-open .lux-menu-sheet {
  transform: translate3d(0, 0, 0) scale(1);
  opacity: 1;
}

/* Logo centered; × pinned to the right edge of the intro row */
.lux-menu-intro-top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 64px;
  margin-bottom: 0.85rem;
}

.lux-menu-intro-top .lux-menu-drawer-close {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto 0;
  height: 2.25rem;
}

.lux-menu-drawer-close {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--lux-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition:
    color 0.25s ease,
    background 0.25s ease,
    transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.25s ease;
}

.lux-menu-drawer-close:hover {
  color: var(--lux-text);
  background: rgba(45, 212, 191, 0.14);
  box-shadow: 0 0 20px rgba(45, 212, 191, 0.12);
  transform: scale(1.06);
}

.lux-menu-drawer-close:active {
  transform: scale(0.96);
}

.lux-menu-drawer-close:focus-visible {
  outline: 2px solid var(--lux-accent);
  outline-offset: 2px;
}

.lux-menu-panel {
  flex: 1;
  min-height: 0;
  overflow: hidden auto;
  display: flex;
  flex-direction: column;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(45, 212, 191, 0.35) rgba(255, 255, 255, 0.06);
}

.lux-menu-panel::-webkit-scrollbar {
  width: 6px;
}

.lux-menu-panel::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 6px;
}

.lux-menu-panel::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(45, 212, 191, 0.45), rgba(56, 189, 248, 0.35));
  border-radius: 6px;
}

.lux-menu-intro,
.lux-menu-section-label,
.lux-menu-nav a {
  opacity: 0;
  transform: translate3d(-12px, 0, 0);
}

.lux-menu:not(.is-open) .lux-menu-intro,
.lux-menu:not(.is-open) .lux-menu-section-label,
.lux-menu:not(.is-open) .lux-menu-nav a {
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.lux-menu.is-open .lux-menu-intro {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition:
    opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1) 0.08s,
    transform 0.4s cubic-bezier(0.22, 1, 0.36, 1) 0.08s;
}

.lux-menu.is-open .lux-menu-section-label,
.lux-menu.is-open .lux-menu-nav a {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition:
    opacity 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    color 0.2s ease,
    background 0.2s ease;
}

.lux-menu.is-open .lux-menu-nav a {
  transition-delay: 0.12s, 0.12s, 0s, 0s;
}

.lux-menu-intro {
  flex-shrink: 0;
  text-align: center;
  padding: 0.75rem 1.25rem 1.1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, transparent 100%);
}

.lux-menu-intro .lux-menu-logo {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    var(--lux-shadow),
    0 0 28px rgba(45, 212, 191, 0.12),
    0 0 1px rgba(45, 212, 191, 0.25) inset;
  display: block;
  margin: 0;
  flex-shrink: 0;
  transition:
    transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.4s ease,
    border-color 0.3s ease;
}

.lux-menu-intro .lux-menu-logo:hover {
  transform: scale(1.04) translateY(-2px);
  border-color: rgba(45, 212, 191, 0.35);
  box-shadow:
    var(--lux-shadow),
    0 8px 32px rgba(45, 212, 191, 0.2),
    0 0 1px rgba(45, 212, 191, 0.35) inset;
}

.lux-menu-blurb {
  margin: 0 auto;
  max-width: 22rem;
  font-family: "Roboto", system-ui, sans-serif;
  font-size: 0.8125rem;
  font-weight: 400;
  line-height: 1.55;
  color: var(--lux-muted);
  letter-spacing: 0.015em;
}

.lux-menu-section-label {
  margin: 0;
  padding: 0.75rem 1.25rem 0.35rem;
  font-family: "Roboto", system-ui, sans-serif;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lux-accent);
  text-shadow: 0 0 22px rgba(45, 212, 191, 0.25);
}

.lux-menu-nav {
  flex-shrink: 0;
  padding: 0.35rem 0 1.75rem;
  margin: 0 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

/* Same rhythm as styles.css nav a + table row dividers */
.lux-menu-nav a {
  display: block;
  padding: 0.9rem 1.15rem;
  text-decoration: none;
  color: var(--lux-text);
  font-family: "Roboto", system-ui, sans-serif;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-bottom: none;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px;
  transition:
    color 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    background 0.28s ease,
    transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.28s ease,
    box-shadow 0.28s ease;
}

.lux-menu-nav a:last-child {
  border-bottom: none;
}

.lux-menu-nav a:hover {
  color: var(--lux-accent-hover);
  background: rgba(45, 212, 191, 0.12);
  border-color: rgba(45, 212, 191, 0.18);
  transform: translateX(6px);
  box-shadow: -4px 0 18px rgba(45, 212, 191, 0.1);
}

.lux-menu-nav a:active {
  background: rgba(45, 212, 191, 0.18);
  transform: translateX(4px) scale(0.99);
}

/* Near styles.css nav a[aria-current="page"] + filter accent strip */
.lux-menu-nav a.is-active {
  color: var(--lux-text);
  font-weight: 600;
  background: linear-gradient(90deg, rgba(45, 212, 191, 0.22) 0%, rgba(45, 212, 191, 0.06) 100%);
  border-color: rgba(45, 212, 191, 0.22);
  box-shadow:
    inset 3px 0 0 var(--lux-accent),
    0 0 20px rgba(45, 212, 191, 0.08);
}

@media (max-width: 768px) {
  :root {
    --lux-sheet-w: min(20rem, calc(100vw - 0.85rem));
  }

  body.has-lux-menu header.top {
    padding-left: 3.25rem;
  }

  body.has-lux-menu header.welcome-header .welcome-header-inner {
    padding-left: 2.95rem;
  }

  .lux-menu-burger {
    width: 2.5rem;
    height: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lux-menu-backdrop,
  .lux-menu-sheet,
  .lux-menu-intro,
  .lux-menu-section-label,
  .lux-menu-nav a,
  .lux-menu-burger,
  .lux-menu-burger-lines span,
  .lux-menu-intro .lux-menu-logo,
  .lux-menu-drawer-close {
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
    animation: none !important;
  }

  .lux-menu-backdrop {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .lux-menu-sheet {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    transform: translate3d(-100%, 0, 0) !important;
    opacity: 1 !important;
  }

  .lux-menu.is-open .lux-menu-sheet {
    transform: translate3d(0, 0, 0) !important;
  }

  .lux-menu-intro,
  .lux-menu-section-label,
  .lux-menu-nav a {
    opacity: 1;
    transform: none;
  }

  .lux-menu-nav a:hover,
  .lux-menu-nav a:active {
    transform: none !important;
  }

  .lux-menu-intro .lux-menu-logo:hover {
    transform: none !important;
  }

  .lux-menu-drawer-close:hover,
  .lux-menu-drawer-close:active {
    transform: none !important;
  }

  .lux-menu-burger-lines span {
    transform: none !important;
    opacity: 1 !important;
  }
}