@tailwind base;
@tailwind components;
@tailwind utilities;

@layer base {
  :root {
    --background: 60 9% 98%;
    --foreground: 0 0% 32%;

    --card: 60 9% 98%;
    --card-foreground: 0 0% 32%;

    --popover: 60 9% 98%;
    --popover-foreground: 0 0% 32%;

    --primary: 0 0% 32%;
    --primary-foreground: 60 9.1% 97.8%;

    --secondary: 60 5% 96%;
    --secondary-foreground: 0 0% 32%;

    --muted: 60 4.8% 95.9%;
    --muted-foreground: 25 5.3% 44.7%;

    --accent: 20 5.9% 94%;
    --accent-foreground: 24 9.8% 10%;

    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 60 9.1% 97.8%;

    --border: 20 5.9% 90%;
    --input: 24 6% 85%;
    --ring: 0 0% 32%;

    --radius: 0.5rem;
  }

  .dark {
    --background: 24 10% 10%;
    --foreground: 60 9.1% 97.8%;

    --card: 24 10% 10%;
    --card-foreground: 60 9.1% 97.8%;

    --popover: 24 10% 10%;
    --popover-foreground: 60 9.1% 97.8%;

    --primary: 60 9.1% 97.8%;
    --primary-foreground: 0 0% 32%;

    --secondary: 0 0% 20%;
    --secondary-foreground: 60 9.1% 97.8%;

    --muted: 24 10% 10%;
    --muted-foreground: 24 5.4% 66%;

    --accent: 0 0% 20%;
    --accent-foreground: 60 9.1% 97.8%;

    --destructive: 0 74% 42%;
    --destructive-foreground: 60 9.1% 97.8%;

    --border: 30 6% 25%;
    --input: 33 5% 32%;
    --ring: 20 6% 90%;
  }
}

@layer base {
  * {
    @apply border-border;
  }

  body {
    @apply gap flex flex-col bg-background/95 text-foreground;
  }

  body {
    font-family: 'LXGW WenKai Screen';
    font-weight: normal;
  }

  body,
  html {
    @apply h-full;
  }

  footer {
    padding-bottom: max(env(safe-area-inset-bottom), 8px);
  }
}

@layer utilities {
  .gap {
    @apply gap-4 sm:gap-6;
  }
}

@layer utilities {
  ::-webkit-scrollbar {
    --bar-width: 5px;
    width: var(--bar-width);
    height: var(--bar-width);
  }

  ::-webkit-scrollbar-thumb {
    @apply rounded-md bg-border;
  }

  .zen-bg {
    background-image:
      radial-gradient(ellipse 80% 50% at 50% -20%, hsl(40 20% 90% / 0.5), transparent),
      radial-gradient(circle at 100% 100%, hsl(30 15% 92% / 0.4), transparent 40%);
  }

  .dark .zen-bg {
    background-image:
      radial-gradient(ellipse 80% 50% at 50% -20%, hsl(30 10% 20% / 0.5), transparent),
      radial-gradient(circle at 100% 100%, hsl(25 8% 15% / 0.4), transparent 40%);
  }

  .zen-card-glow {
    background: radial-gradient(circle, hsl(var(--primary) / 0.06) 0%, transparent 70%);
  }

  .zen-card {
    @apply bg-card/85 backdrop-blur-sm;
  }

  /* PWA 安装后：iPad 等平板视口常 <1024px，单独放宽宽度与双栏 */
  @media (display-mode: standalone) and (min-width: 768px) and (max-width: 1919px) {
    .site-content-shell {
      max-width: 72rem;
    }

    .site-content-shell-narrow {
      max-width: 64rem;
    }

    .mode-workspace-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }
}

/* iOS PWA 兜底：部分系统不识别 display-mode 媒体查询 */
@media (min-width: 768px) and (max-width: 1919px) {
  html[data-display-mode="standalone"] .site-content-shell {
    max-width: 72rem;
  }

  html[data-display-mode="standalone"] .site-content-shell-narrow {
    max-width: 64rem;
  }

  html[data-display-mode="standalone"] .mode-workspace-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}