@import "tailwindcss";
@import "highlight.js/styles/github-dark.css";

/* ===== MetonaAI Desktop — 全局样式 ===== */

/* CSS 变量 — 暗色主题（默认） */
:root,
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-tertiary: #252836;
  --bg-hover: rgba(99, 102, 241, 0.06);
  --bg-card: #1a1d27;
  --text-primary: #e1e4ed;
  --text-secondary: #64748b;
  --text-dim: #8b8fa7;
  --border-color: #2a2d3a;
  --accent: #818cf8;
  --accent-soft: rgba(99, 102, 241, 0.15);
  --green: #34d399;
  --orange: #fb923c;
  --red: #f87171;
  --amber: #fbbf24;
  --cyan: #22d3ee;
  --purple: #a855f7;
  --pink: #f472b6;
  --background: #0f1117;
  --foreground: #e1e4ed;
  --primary: #818cf8;
  --primary-foreground: #0f1117;
  --secondary: #252836;
  --secondary-foreground: #e1e4ed;
  --muted: #252836;
  --muted-foreground: #8b8fa7;
  --destructive: #f87171;
  --destructive-foreground: #e1e4ed;
  --border: #2a2d3a;
  --input: #2a2d3a;
  --ring: #818cf8;
  --radius: 0.625rem;
}

/* 亮色主题 */
:root[data-theme="light"] {
  color-scheme: light;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-hover: rgba(99, 102, 241, 0.04);
  --bg-card: #f8fafc;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-dim: #64748b;
  --border-color: #e2e8f0;
  --accent: #6366f1;
  --accent-soft: rgba(99, 102, 241, 0.1);
  --green: #059669;
  --orange: #ea580c;
  --red: #dc2626;
  --amber: #d97706;
  --cyan: #0891b2;
  --purple: #9333ea;
  --pink: #db2777;
  --background: #ffffff;
  --foreground: #0f172a;
  --primary: #6366f1;
  --primary-foreground: #ffffff;
  --secondary: #f1f5f9;
  --secondary-foreground: #0f172a;
  --muted: #f1f5f9;
  --muted-foreground: #64748b;
  --destructive: #dc2626;
  --destructive-foreground: #ffffff;
  --border: #e2e8f0;
  --input: #e2e8f0;
  --ring: #6366f1;
  --radius: 0.625rem;
}

/* Tailwind v4 主题注册 */
@theme {
  --color-bg-primary: var(--bg-primary);
  --color-bg-secondary: var(--bg-secondary);
  --color-bg-tertiary: var(--bg-tertiary);
  --color-bg-hover: var(--bg-hover);
  --color-text-primary: var(--text-primary);
  --color-text-secondary: var(--text-secondary);
  --color-text-dim: var(--text-dim);
  --color-border-color: var(--border-color);
  --color-green: var(--green);
  --color-orange: var(--orange);
  --color-red: var(--red);
  --color-amber: var(--amber);
  --color-cyan: var(--cyan);
  --color-purple: var(--purple);
  --color-pink: var(--pink);
  --color-background: var(--background);
  --color-foreground: var(--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-destructive: var(--destructive);
  --color-destructive-foreground: var(--destructive-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --radius: var(--radius);
}

/* ===== 全局基础样式 ===== */

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body, #root { width: 100%; height: 100%; overflow: hidden; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ===== 滚动条样式 ===== */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ===== 代码字体 ===== */

code, pre, .font-mono { font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace; }

/* ===== 选择文本颜色 ===== */
::selection { background: rgba(99, 102, 241, 0.15); }

/* ===== 焦点样式 ===== */
:focus-visible { outline: 2px solid #818cf8; outline-offset: 2px; }

/* ===== 动画 Keyframes ===== */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* ===== Markdown Prose 样式 ===== */

.prose-metona {
  color: inherit;
  line-height: 1.7;
  font-size: 14px;
  /* F10: CSS containment 隔离布局计算
     contain: layout style 隔离 markdown 渲染区域的布局和样式计算，
     避免 reflow 扩散到外部容器。不含 paint 以避免裁剪代码块横向滚动溢出。 */
  contain: layout style;
}

.prose-metona h1,
.prose-metona h2,
.prose-metona h3,
.prose-metona h4 {
  font-weight: 600;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.prose-metona h1 { font-size: 1.5em; }
.prose-metona h2 { font-size: 1.25em; }
.prose-metona h3 { font-size: 1.125em; }

.prose-metona p { margin-bottom: 0.75em; }

.prose-metona a { color: #818cf8; text-decoration: none; }
.prose-metona a:hover { text-decoration: underline; }

.prose-metona code {
  color: #22d3ee;
  background: rgba(34, 211, 238, 0.1);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.875em;
}

.prose-metona pre {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 1em;
  color: var(--text-primary);
}

.prose-metona pre code {
  color: var(--text-primary);
  background: transparent;
  padding: 0;
  font-size: 13px;
  line-height: 1.6;
}

/* highlight.js 语法高亮覆盖 — 浅色关键字/字符串/数字 */
.prose-metona .hljs-keyword { color: #cba6f7; }
.prose-metona .hljs-string  { color: #a6e3a1; }
.prose-metona .hljs-number  { color: #fab387; }
.prose-metona .hljs-comment { color: #6c7086; font-style: italic; }
.prose-metona .hljs-function { color: #89b4fa; }
.prose-metona .hljs-title   { color: #89b4fa; }
.prose-metona .hljs-params  { color: #f9e2af; }
.prose-metona .hljs-built_in { color: #f38ba8; }
.prose-metona .hljs-type    { color: #f9e2af; }
.prose-metona .hljs-literal  { color: #fab387; }
.prose-metona .hljs-attr    { color: #89b4fa; }
.prose-metona .hljs-selector-class { color: #a6e3a1; }
.prose-metona .hljs-selector-tag   { color: #cba6f7; }
.prose-metona .hljs-variable { color: #cdd6f4; }

.prose-metona blockquote {
  border-left: 3px solid #818cf8;
  padding-left: 16px;
  color: #64748b;
  margin-bottom: 0.75em;
}

.prose-metona ul, .prose-metona ol { padding-left: 1.5em; margin-bottom: 0.75em; }
.prose-metona li { margin-bottom: 0.25em; }

.prose-metona table { width: 100%; border-collapse: collapse; margin-bottom: 1em; font-size: 13px; }
.prose-metona th { text-align: left; padding: 8px 12px; background: var(--bg-tertiary); border-bottom: 1px solid var(--border-color); color: var(--text-primary); font-weight: 600; }
.prose-metona td { padding: 8px 12px; border-bottom: 1px solid var(--border-color); color: var(--text-primary); }

.prose-metona hr { border: none; height: 1px; background: #2a2d3a; margin: 1.5em 0; }
.prose-metona img { max-width: 100%; border-radius: 8px; }

/* ===== 动效降级 ===== */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}