@import "tailwindcss";
@import "tw-animate-css";

@custom-variant dark (&:is(.dark *));

:root {
  --radius: 0.65rem;
  --background: oklch(0.985 0.001 80);
  --foreground: oklch(0.22 0.01 70);
  --card: oklch(0.995 0 0);
  --card-foreground: oklch(0.22 0.01 70);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.22 0.01 70);
  --primary: oklch(0.25 0.012 70);
  --primary-foreground: oklch(0.98 0.002 80);
  --secondary: oklch(0.95 0.003 80);
  --secondary-foreground: oklch(0.32 0.01 70);
  --muted: oklch(0.95 0.003 80);
  --muted-foreground: oklch(0.52 0.008 70);
  --accent: oklch(0.68 0.16 46);
  --accent-strong: oklch(0.55 0.17 46);
  --accent-foreground: oklch(0.985 0.002 80);
  --destructive: oklch(0.58 0.21 27);
  --destructive-foreground: oklch(0.98 0.002 80);
  --border: oklch(0.91 0.004 80);
  --input: oklch(0.91 0.004 80);
  --ring: oklch(0.62 0.01 70);
}
.dark {
  --background: oklch(0.19 0.006 80);
  --foreground: oklch(0.95 0.003 80);
  --card: oklch(0.23 0.006 80);
  --card-foreground: oklch(0.95 0.003 80);
  --popover: oklch(0.23 0.006 80);
  --popover-foreground: oklch(0.95 0.003 80);
  --primary: oklch(0.95 0.003 80);
  --primary-foreground: oklch(0.22 0.01 70);
  --secondary: oklch(0.28 0.006 80);
  --secondary-foreground: oklch(0.95 0.003 80);
  --muted: oklch(0.28 0.006 80);
  --muted-foreground: oklch(0.68 0.006 80);
  --accent: oklch(0.7 0.16 46);
  --accent-strong: oklch(0.72 0.16 46);
  --accent-foreground: oklch(0.19 0.006 80);
  --destructive: oklch(0.65 0.19 25);
  --destructive-foreground: oklch(0.19 0.006 80);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 14%);
  --ring: oklch(0.6 0.01 70);
}

@theme inline {
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-strong: var(--accent-strong);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-destructive-foreground: var(--destructive-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
}

html,
body,
#root {
  height: 100%;
}
body {
  @apply bg-background text-foreground antialiased;
  color-scheme: light;
}
.dark body {
  color-scheme: dark;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-thumb {
  @apply rounded-full border-2 border-transparent bg-clip-padding;
  background-color: color-mix(in oklab, var(--foreground) 22%, transparent);
}
::-webkit-scrollbar-thumb:hover {
  background-color: color-mix(in oklab, var(--foreground) 34%, transparent);
}

/* 入场:卡片/区块轻微上浮淡入(列表 stagger 用 style.animationDelay) */
@keyframes fx-rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.fx-rise {
  animation: fx-rise 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* 阅读页主题:纸/米/夜,文本类阅读器共用 —— 见 lib/readerPrefs.ts */
[data-rd="paper"] {
  --rd-bg: #faf8f4;
  --rd-fg: #292524;
  --rd-link: #9a3412;
}
[data-rd="sepia"] {
  --rd-bg: #f0e6d2;
  --rd-fg: #433a29;
  --rd-link: #92400e;
}
[data-rd="night"] {
  --rd-bg: #171512;
  --rd-fg: #c6c0b6;
  --rd-link: #e0a458;
}
.rd-surface {
  background: var(--rd-bg);
  color: var(--rd-fg);
  font-family: ui-serif, "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", SimSun, Georgia, serif;
}
.rd-surface ::selection {
  background: color-mix(in oklab, var(--rd-link) 30%, transparent);
}
/* 主题内的次级控件(章节条/翻页键),跟随当前阅读主题 */
.rd-btn {
  @apply rounded-md px-2.5 py-1 text-sm transition-colors;
  background: color-mix(in oklab, currentColor 8%, transparent);
}
.rd-btn:hover {
  background: color-mix(in oklab, currentColor 16%, transparent);
}
.rd-btn:disabled {
  @apply cursor-not-allowed opacity-40;
}
/* 目录侧边栏行 */
.rd-row {
  @apply block w-full truncate rounded-md px-2.5 py-1.5 text-left text-sm transition-colors;
}
.rd-row:hover {
  background: color-mix(in oklab, currentColor 12%, transparent);
}
.rd-btn-on {
  @apply font-semibold;
  background: color-mix(in oklab, currentColor 20%, transparent);
}
/* Radix 菜单项高亮(指针/键盘) */
.rd-highlight {
  outline: none;
}
.rd-highlight[data-highlighted] {
  background: color-mix(in oklab, currentColor 16%, transparent);
}
.rd-divider {
  border-color: color-mix(in oklab, currentColor 14%, transparent);
}

/* 进度/页码滑条:主题色轨道 + 强调色拇指,触摸友好 */
.rd-range {
  @apply h-1.5 w-full cursor-pointer appearance-none rounded-full;
  background: color-mix(in oklab, currentColor 18%, transparent);
}
.rd-range::-webkit-slider-thumb {
  @apply h-4 w-4 appearance-none rounded-full ring-2 ring-black/10;
  background: var(--rd-link, #f59e0b);
}
.rd-range::-moz-range-thumb {
  @apply h-4 w-4 rounded-full border-0;
  background: var(--rd-link, #f59e0b);
}

/* 沉浸态底部工具抽屉的滑入动效 */
@keyframes rd-rise {
  from {
    transform: translateY(100%);
    opacity: 0.4;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}
.rd-sheet {
  animation: rd-rise 0.2s ease-out;
}
@media (prefers-reduced-motion: reduce) {
  .rd-sheet {
    animation: none;
  }
  .rd-rise-anim {
    transition: none !important;
  }
  .fx-rise {
    animation: none;
  }
}

/* markdown 正文(仅 .md-body 作用域) */
.md-body h1 {
  @apply mt-8 mb-3 text-2xl font-semibold;
}
.md-body h2 {
  @apply mt-6 mb-2 text-xl font-semibold;
}
.md-body h3 {
  @apply mt-4 mb-2 text-base font-semibold;
}
.md-body p {
  @apply my-3;
}
.md-body ul {
  @apply my-3 list-disc space-y-1 pl-6;
}
.md-body ol {
  @apply my-3 list-decimal space-y-1 pl-6;
}
.md-body blockquote {
  @apply my-3 border-l-2 pl-4;
  border-color: color-mix(in oklab, currentColor 30%, transparent);
  opacity: 0.75;
}
.md-body code {
  @apply rounded px-1 py-0.5 text-[0.85em];
  background: color-mix(in oklab, currentColor 10%, transparent);
}
.md-body pre {
  @apply my-3 overflow-x-auto rounded-lg p-3;
  background: color-mix(in oklab, currentColor 6%, transparent);
}
.md-body pre code {
  @apply bg-transparent p-0;
}
.md-body a {
  color: var(--rd-link, #f59e0b);
  @apply underline underline-offset-2;
}
.md-body img {
  @apply my-3 max-w-full rounded;
}
.md-body hr {
  @apply my-6;
  border-color: color-mix(in oklab, currentColor 15%, transparent);
}
.md-body table {
  @apply my-3 w-full border-collapse text-sm;
}
.md-body th,
.md-body td {
  @apply border px-2 py-1 text-left;
  border-color: color-mix(in oklab, currentColor 22%, transparent);
}