diff --git a/frontend/src/components/InfoBar.tsx b/frontend/src/components/InfoBar.tsx
new file mode 100644
index 0000000..79f8007
--- /dev/null
+++ b/frontend/src/components/InfoBar.tsx
@@ -0,0 +1,125 @@
+import { useEffect } from 'react'
+import { useTranslation } from 'react-i18next'
+import { IconClockFilled, IconCircleCheckFilled, IconEyeFilled, IconBookmarkFilled, IconChecks,
+         IconBoltFilled, IconPlayerTrackNextFilled, IconArrowBackUp, IconArrowForwardUp,
+         IconPencil, IconBallpenFilled, IconShieldCheckFilled } from '@tabler/icons-react'
+import { useStore } from '../store'
+import Tooltip from './ui/Tooltip'
+
+export default function InfoBar() {
+  const elapsed = useStore((s) => s.elapsed)
+  const startTime = useStore((s) => s.startTime)
+  const paused = useStore((s) => s.paused)
+  const tick = useStore((s) => s.tick)
+  const selectedCell = useStore((s) => s.selectedCell)
+  const checkCell = useStore((s) => s.checkCell)
+  const revealLetter = useStore((s) => s.revealLetter)
+  const revealWord = useStore((s) => s.revealWord)
+  const validateSolution = useStore((s) => s.validateSolution)
+  const gameMode = useStore((s) => s.gameMode)
+  const timeLimit = useStore((s) => s.timeLimit)
+  const marathonCount = useStore((s) => s.marathonCount)
+  const hintsUsed = useStore((s) => s.hintsUsed)
+  const solved = useStore((s) => s.solved)
+  const undo = useStore((s) => s.undo)
+  const redo = useStore((s) => s.redo)
+  const undoStack = useStore((s) => s.undoStack)
+  const redoStack = useStore((s) => s.redoStack)
+  const pencilMode = useStore((s) => s.pencilMode)
+  const togglePencilMode = useStore((s) => s.togglePencilMode)
+  const autoCheck = useStore((s) => s.autoCheck)
+  const toggleAutoCheck = useStore((s) => s.toggleAutoCheck)
+  const { t } = useTranslation()
+  useEffect(() => {
+    if (!startTime || paused) return
+    const id = setInterval(tick, 1000)
+    return () => clearInterval(id)
+  }, [startTime, paused, tick])
+
+  const isSpeedRun = gameMode === 'speedrun'
+  const isMarathon = gameMode === 'marathon'
+
+  const displayTime = isSpeedRun && timeLimit > 0
+    ? Math.max(0, timeLimit - elapsed)
+    : elapsed
+  const mins = Math.floor(displayTime / 60)
+  const secs = displayTime % 60
+  const timeWarning = isSpeedRun && timeLimit > 0 && (timeLimit - elapsed) <= 30
+
+  return (
+    <div className="info-bar">
+      <span className={`timer ${timeWarning ? 'timer-warning' : ''}`}>
+        {isSpeedRun && <IconBoltFilled size={11} style={{ color: '#fbbf24', marginRight: 2 }} aria-hidden="true" />}
+        {isMarathon && <IconPlayerTrackNextFilled size={11} style={{ color: '#60a5fa', marginRight: 2 }} aria-hidden="true" />}
+        <IconClockFilled size={12} style={{ opacity: 0.4, marginRight: 3 }} aria-hidden="true" />
+        {mins}:{secs.toString().padStart(2, '0')}
+        {isMarathon && <span className="marathon-count">#{marathonCount + 1}</span>}
+      </span>
+
+      {hintsUsed > 0 && (
+        <span className="hints-used">{hintsUsed === 1 ? t('game.hintsUsed', { count: hintsUsed }) : t('game.hintsUsed_plural', { count: hintsUsed })}</span>
+      )}
+
+      {!solved && (
+        <>
+          <span className="info-bar-sep" />
+
+          <Tooltip text={t('game.undoTooltip')}>
+            <button className="btn btn-sm btn-icon" onClick={undo} disabled={undoStack.length === 0} aria-label={t('game.undo')}>
+              <IconArrowBackUp size={14} aria-hidden="true" />
+            </button>
+          </Tooltip>
+          <Tooltip text={t('game.redoTooltip')}>
+            <button className="btn btn-sm btn-icon" onClick={redo} disabled={redoStack.length === 0} aria-label={t('game.redo')}>
+              <IconArrowForwardUp size={14} aria-hidden="true" />
+            </button>
+          </Tooltip>
+          <Tooltip text={t('game.pencilTooltip')}>
+            <button className={`btn btn-sm btn-icon${pencilMode ? ' btn-active' : ''}`} onClick={togglePencilMode} aria-label={t('game.pencilToggle')} aria-pressed={pencilMode}>
+              {pencilMode
+                ? <IconPencil size={14} aria-hidden="true" />
+                : <IconBallpenFilled size={14} aria-hidden="true" />
+              }
+            </button>
+          </Tooltip>
+
+          {!isSpeedRun && !isMarathon && (
+            <>
+              <Tooltip text={t('game.autoCheckTooltip')}>
+                <button className={`btn btn-sm btn-icon${autoCheck ? ' btn-active' : ''}`} onClick={toggleAutoCheck} aria-label={t('game.autoCheckToggle')} aria-pressed={autoCheck}>
+                  <IconShieldCheckFilled size={14} aria-hidden="true" />
+                </button>
+              </Tooltip>
+
+              <span className="info-bar-sep" />
+
+              <Tooltip text={t('game.checkTooltip')}>
+                <button className="btn btn-sm btn-icon" onClick={checkCell} disabled={!selectedCell} aria-label={t('game.check')}>
+                  <IconCircleCheckFilled size={14} aria-hidden="true" />
+                </button>
+              </Tooltip>
+              <Tooltip text={t('game.revealTooltip')}>
+                <button className="btn btn-sm btn-icon" onClick={revealLetter} disabled={!selectedCell} aria-label={t('game.reveal')}>
+                  <IconEyeFilled size={14} aria-hidden="true" />
+                </button>
+              </Tooltip>
+              <Tooltip text={t('game.wordTooltip')}>
+                <button className="btn btn-sm btn-icon" onClick={revealWord} disabled={!selectedCell} aria-label={t('game.word')}>
+                  <IconBookmarkFilled size={14} aria-hidden="true" />
+                </button>
+              </Tooltip>
+            </>
+          )}
+
+          <span className="info-bar-sep" />
+
+          <Tooltip text={t('game.validateTooltip')}>
+            <button className="btn btn-sm" onClick={validateSolution}>
+              <IconChecks size={13} style={{ verticalAlign: -2, marginRight: 3 }} aria-hidden="true" /> {t('game.validate')}
+            </button>
+          </Tooltip>
+        </>
+      )}
+    </div>
+  )
+}