studynote/src/index.css

@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); }