@import "tailwindcss";

@layer base {
  :root {
    --bg: #ffffff;
    --bg-subtle: #f8f9fa;
    --bg-muted: #f1f3f5;
    --border: #e9ecef;
    --text: #1a1a2e;
    --text-muted: #6c757d;
    --text-faint: #adb5bd;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-subtle: #eef2ff;
  }

  [data-theme="dark"] {
    --bg: #0f0f13;
    --bg-subtle: #17171f;
    --bg-muted: #1e1e28;
    --border: #2a2a38;
    --text: #e8e8f0;
    --text-muted: #8888a8;
    --text-faint: #4a4a68;
    --accent: #818cf8;
    --accent-hover: #a5b4fc;
    --accent-subtle: #1e1b4b;
  }

  * { box-sizing: border-box; }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    overflow: hidden;
    height: 100vh;
    -webkit-font-smoothing: antialiased;
  }

  #root {
    height: 100vh;
    display: flex;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    margin: 0;
    text-align: left;
    border: none;
    min-height: unset;
    flex-direction: row;
  }
}

/* ── TipTap editor ── */
.ProseMirror {
  outline: none;
  min-height: 60vh;
  padding-bottom: 120px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

.ProseMirror p { margin: 0 0 0.75em; }
.ProseMirror p:last-child { margin-bottom: 0; }
.ProseMirror h1 { font-size: 1.9em; font-weight: 700; margin: 1.2em 0 0.4em; line-height: 1.2; }
.ProseMirror h2 { font-size: 1.45em; font-weight: 600; margin: 1.1em 0 0.4em; }
.ProseMirror h3 { font-size: 1.2em; font-weight: 600; margin: 1em 0 0.35em; }
.ProseMirror h4 { font-size: 1.05em; font-weight: 600; margin: 0.9em 0 0.3em; }

.ProseMirror ul, .ProseMirror ol { padding-left: 1.4em; margin: 0.5em 0; }
.ProseMirror li { margin: 0.2em 0; }

.ProseMirror blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1em;
  margin: 0.75em 0;
  color: var(--text-muted);
  font-style: italic;
}

.ProseMirror code {
  background: var(--bg-muted);
  border-radius: 4px;
  padding: 0.15em 0.4em;
  font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  font-size: 0.875em;
  color: var(--accent);
}

.ProseMirror pre {
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1em 1.2em;
  margin: 0.75em 0;
  overflow-x: auto;
}
.ProseMirror pre code {
  background: none;
  padding: 0;
  color: var(--text);
  font-size: 0.875em;
}

.ProseMirror hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5em 0;
}

.ProseMirror a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

.ProseMirror mark {
  background: #fef08a;
  color: #1a1a1a;
  border-radius: 2px;
  padding: 0.1em 0.15em;
}
[data-theme="dark"] .ProseMirror mark { background: #713f12; color: #fef9c3; }

/* Task list */
.ProseMirror ul[data-type="taskList"] { list-style: none; padding-left: 0.25em; }
.ProseMirror ul[data-type="taskList"] li { display: flex; align-items: flex-start; gap: 0.5em; }
.ProseMirror ul[data-type="taskList"] li > label { flex-shrink: 0; margin-top: 0.35em; cursor: pointer; }
.ProseMirror ul[data-type="taskList"] li > div { flex: 1; }
.ProseMirror ul[data-type="taskList"] li[data-checked="true"] > div {
  text-decoration: line-through;
  color: var(--text-muted);
}

/* Table */
.ProseMirror table { border-collapse: collapse; width: 100%; margin: 0.75em 0; font-size: 0.9em; }
.ProseMirror th, .ProseMirror td { border: 1px solid var(--border); padding: 0.5em 0.75em; text-align: left; }
.ProseMirror th { background: var(--bg-muted); font-weight: 600; }

/* Placeholder */
.ProseMirror p.is-editor-empty:first-child::before {
  content: attr(data-placeholder);
  color: var(--text-faint);
  pointer-events: none;
  float: left;
  height: 0;
}

/* Slash command menu */
.slash-menu {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.14);
  overflow: hidden;
  width: 260px;
  max-height: 320px;
  overflow-y: auto;
}

.slash-menu-item {
  display: flex;
  align-items: center;
  gap: 0.75em;
  padding: 0.55em 0.85em;
  cursor: pointer;
  transition: background 0.1s;
}
.slash-menu-item:hover, .slash-menu-item.active { background: var(--bg-muted); }

.slash-menu-item-icon {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-subtle);
  border-radius: 6px;
  flex-shrink: 0;
  color: var(--text-muted);
}

.slash-menu-item-label { font-size: 0.88em; font-weight: 500; color: var(--text); }
.slash-menu-item-desc { font-size: 0.76em; color: var(--text-muted); }

/* Floating toolbar */
.floating-toolbar {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
}

.toolbar-btn {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border-radius: 5px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}
.toolbar-btn:hover { background: var(--bg-muted); color: var(--text); }
.toolbar-btn.active { background: var(--accent-subtle); color: var(--accent); }
.toolbar-divider { width: 1px; height: 16px; background: var(--border); margin: 0 2px; }

/* Scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* ── Sidebar focus-mode transition ── */
.sidebar-panel {
  transition: width 0.25s ease, opacity 0.2s ease;
  overflow: hidden;
}
.sidebar-panel.hidden {
  width: 0 !important;
  opacity: 0;
  pointer-events: none;
}

/* ── Image in editor ── */
.ProseMirror img {
  max-width: 100%;
  border-radius: 6px;
  margin: 0.75em 0;
  display: block;
}
.ProseMirror img.ProseMirror-selectednode {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Syntax highlighting (highlight.js / lowlight) ── */
/* Light theme */
:root {
  --hl-comment:  #6a737d;
  --hl-keyword:  #d73a49;
  --hl-string:   #032f62;
  --hl-number:   #005cc5;
  --hl-function: #6f42c1;
  --hl-type:     #22863a;
  --hl-meta:     #e36209;
  --hl-builtin:  #005cc5;
}
[data-theme="dark"] {
  --hl-comment:  #8b949e;
  --hl-keyword:  #ff7b72;
  --hl-string:   #a5d6ff;
  --hl-number:   #79c0ff;
  --hl-function: #d2a8ff;
  --hl-type:     #7ee787;
  --hl-meta:     #ffa657;
  --hl-builtin:  #79c0ff;
}

.hljs-comment, .hljs-quote { color: var(--hl-comment); font-style: italic; }
.hljs-keyword, .hljs-selector-tag, .hljs-addition { color: var(--hl-keyword); font-weight: 500; }
.hljs-string, .hljs-attr, .hljs-doctag { color: var(--hl-string); }
.hljs-number, .hljs-literal, .hljs-boolean { color: var(--hl-number); }
.hljs-title, .hljs-function, .hljs-name { color: var(--hl-function); }
.hljs-type, .hljs-class, .hljs-tag { color: var(--hl-type); }
.hljs-built_in, .hljs-variable, .hljs-params { color: var(--hl-builtin); }
.hljs-meta, .hljs-deletion { color: var(--hl-meta); }
.hljs-emphasis { font-style: italic; }
.hljs-strong { font-weight: bold; }

/* ── AI streaming cursor ── */
@keyframes ai-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.ai-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: text-bottom;
  border-radius: 1px;
  animation: ai-blink 0.8s ease infinite;
}

/* 移动端响应式 */
.mobile-menu-btn {
  display: none;
}

@media (max-width: 640px) {
  .mobile-menu-btn {
    display: flex;
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 40;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 18px;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
  }

  .sidebar-panel {
    position: fixed !important;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 35;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,0.3);
  }

  .sidebar-panel[data-mobile-open="true"] {
    transform: translateX(0);
  }

  .editor-main {
    margin-left: 0 !important;
    padding-left: 48px;
  }
}

/* ── Print / PDF export ── */
@media print {
  aside, [data-ai-panel], .floating-toolbar, .editor-toolbar,
  .toolbar-btn, [class*="sidebar"] {
    display: none !important;
  }
  .ProseMirror {
    padding: 0 !important;
    min-height: unset !important;
  }
  body {
    overflow: visible !important;
    background: white !important;
    color: black !important;
  }
  #root {
    display: block !important;
    height: auto !important;
  }
  .flex-1.flex.flex-col.min-w-0.h-full {
    display: block !important;
    height: auto !important;
  }
}