/* ── Prompt Viewer styles ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #f5f5f5;
  color: #222;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── toolbar ──────────────────────────────────────────────────────── */
#toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 16px;
  background: #fff;
  border-bottom: 1px solid #e0e0e0;
  flex-shrink: 0;
}
.back-btn {
  text-decoration: none;
  font-size: 20px;
  color: #555;
  padding: 2px 8px;
  border-radius: 4px;
}
.back-btn:hover { background: #eee; }
.app-title { font-weight: 700; font-size: 15px; margin-right: 8px; }
#toolbar label {
  font-size: 12px; color: #666; display: flex; align-items: center; gap: 4px;
}
#toolbar select {
  font-size: 13px; padding: 3px 6px; border: 1px solid #ccc; border-radius: 4px;
}

/* ── main content ─────────────────────────────────────────────────── */
#main {
  flex: 1;
  overflow: auto;
  padding: 16px 24px;
}

/* single view */
.single-view {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 20px 24px;
  font-family: "JetBrains Mono", "Fira Code", "Consolas", monospace;
  font-size: 12.5px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-wrap: break-word;
  max-width: 900px;
}

/* diff view */
.diff-view {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 16px 24px;
  max-width: 1100px;
  overflow-x: auto;
}
.diff-header {
  display: flex;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #eee;
  margin-bottom: 14px;
  font-size: 12px;
  font-weight: 700;
  color: #666;
}
.diff-header .left-label { color: #c4163f; }
.diff-header .right-label { color: #2e8a3a; }

/* redline inline view */
.redline {
  font-family: "JetBrains Mono", "Fira Code", "Consolas", monospace;
  font-size: 12.5px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 0;
}
.redline del {
  text-decoration: line-through;
  background: #ffd7d5;
  color: #9e1c23;
  border-radius: 2px;
  text-decoration-color: #c4163f;
}
.redline ins {
  text-decoration: none;
  background: #acf2bd;
  color: #1a7f37;
  border-radius: 2px;
}