/* Shared ambient dotted background across public and workspace pages. */

:root {
  --ambient-page-bg: #f7f8fb;
  --ambient-page-top: #fbfcff;
  --ambient-dot: rgba(15, 23, 42, 0.075);
  --ambient-dot-soft: rgba(37, 99, 235, 0.055);
  --ambient-line: rgba(15, 23, 42, 0.026);
}

html {
  background: var(--ambient-page-bg);
}

body:not(.empty-state-active) {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  background:
    linear-gradient(180deg, var(--ambient-page-top) 0%, var(--ambient-page-bg) 42%, #ffffff 100%) !important;
}

body:not(.empty-state-active)::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at center, var(--ambient-dot) 1px, transparent 1.55px),
    radial-gradient(circle at center, var(--ambient-dot-soft) 1px, transparent 1.45px);
  background-size: 24px 24px, 18px 18px;
  background-position: 0 0, 9px 7px;
  opacity: 0.52;
  -webkit-mask-image:
    radial-gradient(ellipse 66% 38% at 50% 12%, #000 0 38%, transparent 72%),
    radial-gradient(ellipse 48% 26% at 88% 58%, #000 0 22%, transparent 68%);
  mask-image:
    radial-gradient(ellipse 66% 38% at 50% 12%, #000 0 38%, transparent 72%),
    radial-gradient(ellipse 48% 26% at 88% 58%, #000 0 22%, transparent 68%);
  -webkit-mask-composite: source-over;
  mask-composite: add;
}

body:not(.empty-state-active)::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(var(--ambient-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--ambient-line) 1px, transparent 1px);
  background-size: 88px 88px;
  background-position: -1px -1px;
  opacity: 0.34;
  -webkit-mask-image: radial-gradient(ellipse 74% 42% at 50% 6%, #000 0 32%, transparent 72%);
  mask-image: radial-gradient(ellipse 74% 42% at 50% 6%, #000 0 32%, transparent 72%);
}

body:not(.empty-state-active) :is(
  main,
  section,
  footer,
  .container,
  .section,
  .hero,
  .hero-section,
  .matrix-section,
  .pricing-hero,
  .pricing-section,
  .privacy-container,
  .content-section
) {
  position: relative;
  z-index: 1;
}

body:not(.empty-state-active) :is(.top-banner, .navbar, .top-navbar) {
  z-index: 10000 !important;
}

body:not(.empty-state-active) .navbar {
  top: var(--banner-height, 0px) !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  height: 68px !important;
  padding: 0 clamp(24px, 4vw, 44px) !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  transform: none !important;
}

body:not(.empty-state-active) .nav-links {
  gap: clamp(22px, 2.8vw, 34px) !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
}

body:not(.empty-state-active) .nav-link {
  min-height: 44px !important;
  padding: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  color: #536173 !important;
  font-size: 14px !important;
  font-weight: 740 !important;
}

body:not(.empty-state-active) .nav-link:hover,
body:not(.empty-state-active) .nav-link.active,
body:not(.empty-state-active) .nav-dropdown:hover .nav-dropdown-trigger {
  background: transparent !important;
  box-shadow: none !important;
  color: #111827 !important;
}

body:not(.empty-state-active) .nav-dropdown {
  position: relative;
  z-index: 10010;
}

body:not(.empty-state-active) .nav-dropdown::before {
  content: "";
  position: absolute;
  left: -18px;
  right: -18px;
  top: 100%;
  height: 24px;
}

body:not(.empty-state-active) .nav-mega {
  z-index: 10020 !important;
  top: calc(100% + 10px) !important;
  background: rgba(255, 255, 255, 0.985) !important;
}

body:not(.empty-state-active) .nav-mega:not(.model-mega) {
  width: min(820px, calc(100vw - 48px)) !important;
  padding: 14px !important;
}

body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-grid {
  display: grid !important;
  grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr) !important;
  gap: 8px 12px !important;
  align-items: start !important;
}

body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-grid::before,
body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-grid::after {
  display: flex;
  align-items: center;
  min-height: 24px;
  padding: 0 2px 4px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.92);
  color: #64748b;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
}

body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-grid::before {
  content: "视频制作";
  grid-column: 1;
  grid-row: 1;
}

body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-grid::after {
  content: "图片制作";
  grid-column: 2;
  grid-row: 1;
}

body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card {
  min-height: 74px !important;
  border-color: rgba(226, 232, 240, 0.74) !important;
}

body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:nth-child(1),
body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:nth-child(2),
body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:nth-child(3) {
  grid-column: 1;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 251, 255, 0.98)) !important;
  box-shadow: inset 2px 0 0 color-mix(in srgb, var(--mega-accent, #2563eb) 34%, transparent) !important;
}

body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:nth-child(1) { grid-row: 2; }
body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:nth-child(2) { grid-row: 3; }
body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:nth-child(3) { grid-row: 4; }

body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:nth-child(n + 4) {
  grid-column: 2;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 253, 249, 0.98)) !important;
  box-shadow: inset 2px 0 0 color-mix(in srgb, var(--mega-accent, #f59e0b) 28%, transparent) !important;
}

body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:nth-child(4) { grid-row: 2; }
body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:nth-child(5) { grid-row: 3; }
body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:nth-child(6) { grid-row: 4; }
body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:nth-child(7) { grid-row: 5; }
body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:nth-child(8) { grid-row: 6; }
body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:nth-child(9) { grid-row: 7; }

body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card:hover {
  border-color: rgba(148, 163, 184, 0.45) !important;
  background: #ffffff !important;
}

body:not(.empty-state-active) .top-navbar {
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

body.empty-state-active .main-content {
  position: relative;
  isolation: isolate;
  background-color: var(--ambient-page-bg) !important;
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(247, 248, 251, 0.94) 42%, rgba(255, 255, 255, 0.92) 100%),
    linear-gradient(var(--ambient-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--ambient-line) 1px, transparent 1px) !important;
  background-position: center top, -1px -1px, -1px -1px !important;
  background-repeat: no-repeat, repeat, repeat !important;
  background-size: 100% 100%, 88px 88px, 88px 88px !important;
}

body.empty-state-active .main-content::before {
  content: "" !important;
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at center, var(--ambient-dot) 1px, transparent 1.55px),
    radial-gradient(circle at center, rgba(14, 165, 233, 0.065) 1px, transparent 1.45px);
  background-size: 24px 24px, 18px 18px;
  background-position: 0 0, 9px 7px;
  opacity: 0.58;
  -webkit-mask-image:
    radial-gradient(ellipse 68% 44% at 50% 14%, #000 0 40%, transparent 76%),
    radial-gradient(ellipse 42% 30% at 92% 54%, #000 0 24%, transparent 70%);
  mask-image:
    radial-gradient(ellipse 68% 44% at 50% 14%, #000 0 40%, transparent 76%),
    radial-gradient(ellipse 42% 30% at 92% 54%, #000 0 24%, transparent 70%);
  -webkit-mask-composite: source-over;
  mask-composite: add;
}

body.empty-state-active .top-banner,
body.empty-state-active .navbar,
body:not(.empty-state-active) .navbar,
body:not(.empty-state-active) .top-navbar {
  backdrop-filter: blur(16px) saturate(1.06);
  -webkit-backdrop-filter: blur(16px) saturate(1.06);
}

@media (max-width: 768px) {
  body:not(.empty-state-active)::before {
    background-size: 22px 22px, 17px 17px;
    opacity: 0.46;
    -webkit-mask-image:
      radial-gradient(ellipse 94% 34% at 50% 10%, #000 0 36%, transparent 78%),
      radial-gradient(ellipse 56% 24% at 92% 62%, #000 0 20%, transparent 72%);
    mask-image:
      radial-gradient(ellipse 94% 34% at 50% 10%, #000 0 36%, transparent 78%),
      radial-gradient(ellipse 56% 24% at 92% 62%, #000 0 20%, transparent 72%);
  }

  body:not(.empty-state-active)::after {
    background-size: 72px 72px;
    opacity: 0.24;
  }

  body.empty-state-active .main-content {
    background-size: 100% 100%, 72px 72px, 72px 72px !important;
  }

  body.empty-state-active .main-content::before {
    background-size: 22px 22px, 17px 17px;
    opacity: 0.5;
  }
}

@media (max-width: 960px) {
  body:not(.empty-state-active) .nav-mega:not(.model-mega) {
    width: min(420px, calc(100vw - 32px)) !important;
  }

  body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-grid {
    grid-template-columns: 1fr !important;
  }

  body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-grid::before,
  body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-grid::after,
  body:not(.empty-state-active) .nav-mega:not(.model-mega) .nav-mega-card {
    grid-column: 1 !important;
    grid-row: auto !important;
  }
}