:root {
  color-scheme: dark;
  --canvas-width: 390px;
  --canvas-height: 844px;
  --device-width: 414px;
  --device-height: 868px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  font-family: Montserrat, "Noto Sans TC", "Microsoft JhengHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
}

body {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  height: 100dvh;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% -20%, rgba(200, 160, 99, 0.2), transparent 34%),
    #151515;
  color: #f4f2ed;
  padding:
    calc(10px + var(--safe-top))
    calc(14px + var(--safe-right))
    calc(10px + var(--safe-bottom))
    calc(14px + var(--safe-left));
}

button,
a {
  min-height: 40px;
  border: 1px solid #52514d;
  border-radius: 999px;
  background: #242422;
  color: #f4f2ed;
  padding: 0 15px;
  font: inherit;
  font-size: 0.76rem;
  font-weight: 750;
  text-decoration: none;
}

button {
  cursor: pointer;
}

a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button:hover,
button:focus-visible,
a:hover,
a:focus-visible {
  border-color: #c8a063;
  background: #31312e;
  outline: none;
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(1180px, 100%);
  margin: 0 auto;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0 0 10px;
}

.preview-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.preview-brand > span {
  border-right: 1px solid #4d4c48;
  color: #c8a063;
  padding-right: 14px;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  white-space: nowrap;
}

.preview-brand h1,
.preview-brand p {
  margin: 0;
}

.preview-brand h1 {
  font-size: 0.96rem;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.preview-brand p {
  margin-top: 3px;
  color: #9d9b95;
  font-size: 0.68rem;
}

.preview-actions {
  display: flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
}

.preview-stage {
  display: grid;
  place-items: center;
  min-height: 0;
  overflow: hidden;
}

.preview-slot {
  width: var(--scaled-device-width, var(--device-width));
  height: var(--scaled-device-height, var(--device-height));
}

.mobile-device {
  position: relative;
  width: var(--device-width);
  height: var(--device-height);
  overflow: hidden;
  border: 1px solid #5e5c56;
  border-radius: 48px;
  background: #050505;
  padding: 11px;
  box-shadow:
    0 42px 90px rgba(0, 0, 0, 0.5),
    inset 0 0 0 3px #20201e;
  transform: scale(var(--preview-scale, 1));
  transform-origin: top left;
}

.mobile-device-island {
  position: absolute;
  z-index: 2;
  top: 4px;
  left: 50%;
  width: 72px;
  height: 4px;
  border-radius: 999px;
  background: #050505;
  pointer-events: none;
  transform: translateX(-50%);
}

.mobile-device iframe {
  display: block;
  width: var(--canvas-width);
  height: var(--canvas-height);
  border: 0;
  border-radius: 36px;
  background: #efefec;
}

.preview-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 28px;
  color: #8f8d87;
  font-size: 0.68rem;
  letter-spacing: 0.03em;
}

.preview-status strong {
  color: #f4f2ed;
}

.preview-lock {
  border: 1px solid rgba(200, 160, 99, 0.6);
  border-radius: 999px;
  color: #d2ae74;
  padding: 2px 7px;
  font-size: 0.58rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

@media (max-width: 720px) {
  body {
    padding-inline: max(6px, var(--safe-left)) max(6px, var(--safe-right));
  }

  .preview-toolbar {
    justify-content: center;
    border-bottom: 0;
    padding-bottom: 4px;
  }

  .preview-brand {
    display: none;
  }

  .preview-actions {
    width: 100%;
    justify-content: center;
  }

  .preview-actions > * {
    min-height: 44px;
    padding-inline: 12px;
    font-size: 0.7rem;
  }

  .preview-status {
    gap: 7px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}