:root {
  --bg: #0b0d10;
  --card: #151a21;
  --muted: #8b95a7;
  --text: #e7ecf3;
  --accent: #4e9eff;
  --border: #2a3340;
  --surface: #ffffff;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02); position: sticky; top: 0; backdrop-filter: blur(6px);
}
.topbar h1 { margin: 0; font-size: 16px; }

.container { padding: 18px; max-width: 1000px; margin: 0 auto; }

.task-list { display: grid; gap: 12px; }
.task-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px;
  display: flex; align-items: center; justify-content: space-between;
}
.task-meta { display: flex; gap: 12px; align-items: baseline; }
.task-id { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--muted); }
.task-created { color: var(--muted); font-size: 12px; }
.task-model { color: var(--text); font-weight: 600; }

button {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
}
button.primary {
  background: var(--accent);
  color: #00132b;
  border-color: transparent;
}
button.ghost { opacity: 0.9; }
button:hover { filter: brightness(1.05); }
button:active { transform: translateY(1px); }

.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 20;
}

/* You kept absolute fullscreen modal; keeping it */
.modal {
  position: fixed;
  top: 0; bottom: 0; left: 0; right: 0;
  height: 100%; width: 100%;
  background: var(--surface);
  color: #0c1117;
  z-index: 30;
  display: flex; flex-direction: column;
  box-shadow: 0 16px 80px rgba(0,0,0,0.45);
  overflow: hidden; /* keep inner scrollbars inside */
}

.hidden { display: none; }

.icon-btn {
  background: transparent; border: none; color: #111827; cursor: pointer;
}
.close-btn {
  position: absolute; top: 14px; right: 14px; width: 36px; height: 36px;
  display: grid; place-items: center; border-radius: 9px; padding: 0;
}
.close-btn:hover { background: rgba(0,0,0,0.06); }

.modal-body {
  position: absolute;
  top: 14px; left: 14px; right: 64px; bottom: 14px;
  height: 100%;
  min-height: 0; /* critical for inner scrollers */
}

/* Panes in two columns using absolute math as you prefer */
.pane {
  position: absolute;
  background: #f7f8fa;
  border: 1px solid #e6e8ee;
  border-radius: 12px;
  min-height: 0; /* allow inner scrollers to work */
  width: calc(50% - 14px);
  height: calc(100% - 14px);
  display: flex; flex-direction: column;
}

.left { right: calc(50% + 5px); }
.right { left:  calc(50% + 5px); }

.pane-title {
  font-weight: 700; font-size: 12px; color: #4b5563; padding: 10px 8px;
}

/* Monaco containers fill the available pane height */
.editor-host {
  position: absolute;
  /* top: 42px;   below .pane-title (~32 + padding) */
  /* top: 6px !important; */
  left: 10px;
  right: 10px;
  bottom: 52px; /* leave room for bottom buttons */
  border: 1px solid #1f2937;
  border-radius: 8px;
  overflow: hidden; /* Monaco manages inner scrollbars */
}

.right .editor-host {
  top: 6px !important;
}

/* Right pane puts a placeholder atop the editor until there's content */
.editor-wrapper { position: relative; height: calc(100% - 42px); }

/* buttons stay where you had them */
.copy-btn {
  position: absolute; right: 12px; bottom: 12px;
  background: #eef3ff; color: #0c2050; border-color: #d8e2ff;
}
.complete-btn {
  position: absolute; right: 12px; bottom: 12px;
}

/* Make the text cursor appear when hovering editors (I-beam) */
#promptEditor, #answerEditor { cursor: text; }

/* Mobile adjustments still apply via your existing media queries */

/* ---------- Code viewers (both sides) ---------- */
.code-viewer {
  position: relative;
  flex: 1;
  border-radius: 8px;
  border: 1px solid #1f2937;
  background: #0f1720;
  color: #e6edf3;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  line-height: 1.5;
  padding: 12px;
  overflow: auto;
  counter-reset: line;
  user-select: text;        /* allow text selection */
  cursor: text;             /* I-beam */
  outline: none;            /* we provide our own focus style */
}

/* Focus ring for accessibility */
.code-viewer:focus-visible {
  box-shadow: 0 0 0 2px rgba(78,158,255,0.75) inset;
}

/* Blue theme for the editor side */
.code-viewer.editor {
  background: linear-gradient(180deg, #0f1720 0%, #0e1b2e 100%);
}

/* Readonly just changes caret behavior */
.code-viewer.readonly { caret-color: transparent; }

/* --- Line layout: works for read-only (.line elements) and editable (> div lines) --- */
.code-viewer .line,
.code-viewer.editor > div {
  display: block;
  white-space: pre;
  padding-left: 52px;
  position: relative;
}

/* line numbers */
.code-viewer .line::before,
.code-viewer.editor > div::before {
  counter-increment: line;
  content: counter(line);
  position: absolute; left: 10px; width: 32px;
  text-align: right; color: #7a8696;
}

/* active line highlight */
.code-viewer .line.active,
.code-viewer.editor > div.active {
  background: rgba(78,158,255,0.15);
}

/* placeholder for editor when empty */
.code-viewer.editor:empty::before {
  content: attr(data-placeholder);
  color: #7a8696; opacity: 0.7;
  padding-left: 52px;
  display: block;
}

/* Copy/Complete buttons */
.copy-btn {
  position: absolute; right: 12px; bottom: 12px;
  background: #eef3ff; color: #0c2050; border-color: #d8e2ff;
}
.complete-btn {
  position: absolute; right: 12px; bottom: 12px;
}

/* mobile */
@media (max-width: 900px) {
  .modal { inset: 0; }
  .modal-body { left: 8px; right: 8px; }
  .pane { width: calc(100% - 0px); left: 0; right: 0; }
  .left { top: 0; height: calc(50% - 8px); }
  .right { bottom: 0; height: calc(50% - 8px); }
}


/* Monaco containers fill the available pane height */
.editor-host {
  position: absolute;
  top: 42px;     /* below .pane-title */
  left: 10px;
  right: 10px;
  bottom: 52px;  /* leave room for bottom buttons */
  border: 1px solid #1f2937;
  border-radius: 8px;
  overflow: hidden;
}

.editor-wrapper { position: relative; height: calc(100% - 42px); }

/* buttons stay where you had them */
.copy-btn {
  position: absolute; right: 12px; bottom: 12px;
  background: #eef3ff; color: #0c2050; border-color: #d8e2ff;
}
.complete-btn { position: absolute; right: 12px; bottom: 12px; }

/* I-beam cursor when hovering editors */
#promptEditor, #answerEditor { cursor: text; }