diff --git a/shared/tests/turn.temphp.test.js b/shared/tests/turn.temphp.test.js
new file mode 100644
index 0000000..e4fedbd
--- /dev/null
+++ b/shared/tests/turn.temphp.test.js
@@ -0,0 +1,102 @@
+// Temp HP: damage hits temp first, then regular.
+// setTempHp replaces (no stacking). Healing regular HP ignores temp.
+const shared = require('@ttrpg/shared');
+const { makeParticipant, applyHpChange, setTempHp, addParticipant } = shared;
+const { mockCtx } = require('./_helpers');
+
+function setupEnc() {
+  const { ctx } = mockCtx();
+  return {
+    enc: { id: 'enc1', name: 'TempEnc', participants: [], isStarted: false, isPaused: false, round: 0 },
+    ctx,
+  };
+}
+
+describe('temp HP', () => {
+  test('setTempHp sets tempHp on participant', async () => {
+    const { enc, ctx } = setupEnc();
+    const p = makeParticipant({
+      name: 'Hero', type: 'character', initiative: 10, maxHp: 20, currentHp: 20,
+    });
+    let e = await addParticipant(enc, p, ctx);
+    e = await setTempHp(e, p.id, 5, ctx);
+    expect(e.participants[0].tempHp).toBe(5);
+  });
+
+  test('setTempHp replaces existing temp (no stacking)', async () => {
+    const { enc, ctx } = setupEnc();
+    const p = makeParticipant({
+      name: 'Hero', type: 'character', initiative: 10, maxHp: 20, currentHp: 20,
+    });
+    let e = await addParticipant(enc, p, ctx);
+    e = await setTempHp(e, p.id, 5, ctx);
+    e = await setTempHp(e, p.id, 3, ctx);
+    expect(e.participants[0].tempHp).toBe(3);
+  });
+
+  test('setTempHp to 0 clears temp', async () => {
+    const { enc, ctx } = setupEnc();
+    const p = makeParticipant({
+      name: 'Hero', type: 'character', initiative: 10, maxHp: 20, currentHp: 20,
+    });
+    let e = await addParticipant(enc, p, ctx);
+    e = await setTempHp(e, p.id, 5, ctx);
+    e = await setTempHp(e, p.id, 0, ctx);
+    expect(e.participants[0].tempHp).toBe(0);
+  });
+
+  test('damage: temp absorbs before regular HP', async () => {
+    const { enc, ctx } = setupEnc();
+    const p = makeParticipant({
+      name: 'Hero', type: 'character', initiative: 10, maxHp: 20, currentHp: 20,
+    });
+    let e = await addParticipant(enc, p, ctx);
+    e = await setTempHp(e, p.id, 5, ctx);
+    e = await applyHpChange(e, p.id, 'damage', 8, ctx);
+    expect(e.participants[0].tempHp).toBe(0);
+    expect(e.participants[0].currentHp).toBe(17);
+  });
+
+  test('damage less than temp: only temp reduced', async () => {
+    const { enc, ctx } = setupEnc();
+    const p = makeParticipant({
+      name: 'Hero', type: 'character', initiative: 10, maxHp: 20, currentHp: 20,
+    });
+    let e = await addParticipant(enc, p, ctx);
+    e = await setTempHp(e, p.id, 10, ctx);
+    e = await applyHpChange(e, p.id, 'damage', 4, ctx);
+    expect(e.participants[0].tempHp).toBe(6);
+    expect(e.participants[0].currentHp).toBe(20);
+  });
+
+  test('heal: does not affect temp HP', async () => {
+    const { enc, ctx } = setupEnc();
+    const p = makeParticipant({
+      name: 'Hero', type: 'character', initiative: 10, maxHp: 20, currentHp: 10,
+    });
+    let e = await addParticipant(enc, p, ctx);
+    e = await setTempHp(e, p.id, 5, ctx);
+    e = await applyHpChange(e, p.id, 'heal', 8, ctx);
+    expect(e.participants[0].tempHp).toBe(5);
+    expect(e.participants[0].currentHp).toBe(18);
+  });
+
+  test('damage exactly equals temp: temp gone, regular intact', async () => {
+    const { enc, ctx } = setupEnc();
+    const p = makeParticipant({
+      name: 'Hero', type: 'character', initiative: 10, maxHp: 20, currentHp: 20,
+    });
+    let e = await addParticipant(enc, p, ctx);
+    e = await setTempHp(e, p.id, 5, ctx);
+    e = await applyHpChange(e, p.id, 'damage', 5, ctx);
+    expect(e.participants[0].tempHp).toBe(0);
+    expect(e.participants[0].currentHp).toBe(20);
+  });
+
+  test('makeParticipant: tempHp defaults to 0', async () => {
+    const p = makeParticipant({
+      name: 'Hero', type: 'character', initiative: 10, maxHp: 20, currentHp: 20,
+    });
+    expect(p.tempHp).toBe(0);
+  });
+});
diff --git a/shared/turn.js b/shared/turn.js
index 4a53e30..0c41dec 100644
--- a/shared/turn.js
+++ b/shared/turn.js
@@ -362,6 +362,7 @@ function makeParticipant(opts) {
     deathSaveFailures: opts.deathSaveFailures || 0,
     hpFormula: opts.hpFormula || null,
     ac: opts.ac !== undefined ? opts.ac : null,
+    tempHp: opts.tempHp !== undefined ? opts.tempHp : 0,
   };
 }
 
@@ -374,7 +375,7 @@ function buildCharacterParticipant(character) {
   return {
     participant: makeParticipant({
       name: character.name,
-      type: 'character',
+      type: character.isNpc ? 'npc' : 'character',
       originalCharacterId: character.id,
       initiative: finalInitiative,
       maxHp,
@@ -623,6 +624,25 @@ async function toggleParticipantActive(encounter, participantId, ctx) {
   return commit(encounter, patch, log, ctx);
 }
 
+async function setTempHp(encounter, participantId, tempHp, ctx) {
+  const participant = (encounter.participants || []).find(p => p.id === participantId);
+  if (!participant) throw new Error('Participant not found.');
+  const value = Math.max(0, tempHp || 0);
+  const oldValues = { tempHp: participant.tempHp || 0 };
+  const updatedParticipants = (encounter.participants || []).map(p =>
+    p.id === participantId ? { ...p, tempHp: value } : p
+  );
+  const log = {
+    type: 'set_temp_hp',
+    participantId,
+    participantName: participant.name,
+    message: `${participant.name} temp HP set to ${value}`,
+    delta: { tempHp: value, oldTempHp: oldValues.tempHp },
+    undo: { oldValues, newValues: { tempHp: value } },
+  };
+  return commit(encounter, { participants: updatedParticipants }, log, ctx);
+}
+
 async function applyHpChange(encounter, participantId, changeType, amount, optionsOrCtx, maybeCtx) {
   const ctx = maybeCtx || optionsOrCtx;
   const options = maybeCtx ? (optionsOrCtx || {}) : {};
@@ -637,6 +657,7 @@ async function applyHpChange(encounter, participantId, changeType, amount, optio
 
   const oldValues = {
     currentHp: participant.currentHp,
+    tempHp: participant.tempHp || 0,
     status: participant.status || (participant.currentHp === 0 ? 'dying' : 'conscious'),
     deathSaveSuccesses: participant.deathSaveSuccesses || 0,
     deathSaveFailures: participant.deathSaveFailures || 0,
@@ -648,6 +669,7 @@ async function applyHpChange(encounter, participantId, changeType, amount, optio
   let message = '';
   let logDelta = { amount, from: participant.currentHp };
   const status = oldValues.status;
+  const currentTemp = participant.tempHp || 0;
 
   // GENERIC ruleset: no death saves, negative HP allowed, down status at <=0.
   // Monster death = dead + inactive. No unconscious auto-condition.
@@ -656,6 +678,33 @@ async function applyHpChange(encounter, participantId, changeType, amount, optio
   }
 
   if (changeType === 'damage') {
+    // Temp HP absorbs damage first.
+    let remainingDmg = amount;
+    let tempAfter = currentTemp;
+    if (tempAfter > 0) {
+      const absorbed = Math.min(tempAfter, remainingDmg);
+      tempAfter -= absorbed;
+      remainingDmg -= absorbed;
+      updates.tempHp = tempAfter;
+    }
+    // If fully absorbed by temp, no regular HP change.
+    if (remainingDmg === 0 && participant.currentHp > 0) {
+      const updatedParticipants0 = (encounter.participants || []).map(p =>
+        p.id === participantId ? { ...p, tempHp: tempAfter } : p
+      );
+      const log0 = {
+        type: 'hp_change',
+        participantId,
+        participantName: participant.name,
+        message: `${participant.name} took ${amount} damage (absorbed by temp HP, ${tempAfter} temp remaining)`,
+        delta: { amount, from: participant.currentHp, to: participant.currentHp, tempHp: tempAfter },
+        undo: { oldValues, newValues: { ...oldValues, tempHp: tempAfter } },
+      };
+      return commit(encounter, { participants: updatedParticipants0 }, log0, ctx);
+    }
+    amount = remainingDmg;
+    const tempBefore = currentTemp;
+    const tempFinal = updates.tempHp !== undefined ? updates.tempHp : tempBefore;
     if (participant.currentHp === 0) {
       if (status === 'dead') {
         if (participant.type === 'monster' && participant.isActive !== false) {
@@ -687,23 +736,23 @@ async function applyHpChange(encounter, participantId, changeType, amount, optio
       const add = options.isCriticalHit ? 2 : 1;
       const failures = (status === 'stable' ? 0 : (participant.deathSaveFailures || 0)) + add;
       if (failures >= 3) {
-        updates = { currentHp: 0, status: 'dead', deathSaveSuccesses: 0, deathSaveFailures: 0, ...(participant.type === 'monster' ? { isActive: false } : {}) };
+        updates = { currentHp: 0, status: 'dead', deathSaveSuccesses: 0, deathSaveFailures: 0, tempHp: tempFinal, ...(participant.type === 'monster' ? { isActive: false } : {}) };
       } else {
-        updates = { currentHp: 0, status: 'dying', deathSaveSuccesses: 0, deathSaveFailures: failures };
+        updates = { currentHp: 0, status: 'dying', deathSaveSuccesses: 0, deathSaveFailures: failures, tempHp: tempFinal };
       }
       message = `${participant.name} took ${amount} damage while ${status === 'stable' ? 'stable' : 'dying'}`;
       logDelta = { ...logDelta, to: 0, status: updates.status, deathSaveFailures: updates.deathSaveFailures };
     } else if (amount >= participant.currentHp + participant.maxHp) {
-      updates = { currentHp: 0, status: 'dead', deathSaveSuccesses: 0, deathSaveFailures: 0, ...(participant.type === 'monster' ? { isActive: false } : {}) };
+      updates = { currentHp: 0, status: 'dead', deathSaveSuccesses: 0, deathSaveFailures: 0, tempHp: tempFinal, ...(participant.type === 'monster' ? { isActive: false } : {}) };
       message = `Massive damage! ${participant.name} instantly killed`;
       logDelta = { ...logDelta, to: 0, status: 'dead', massive: true };
     } else {
       const newHp = Math.max(0, participant.currentHp - amount);
       if (newHp === 0) {
         const zeroStatus = participant.type === 'monster' ? 'dead' : 'dying';
-        updates = { currentHp: 0, status: zeroStatus, deathSaveSuccesses: 0, deathSaveFailures: 0, ...(zeroStatus === 'dead' ? { isActive: false } : {}) };
+        updates = { currentHp: 0, status: zeroStatus, deathSaveSuccesses: 0, deathSaveFailures: 0, tempHp: tempFinal, ...(zeroStatus === 'dead' ? { isActive: false } : {}) };
       } else {
-        updates = { currentHp: newHp, status: 'conscious' };
+        updates = { currentHp: newHp, status: 'conscious', tempHp: tempFinal };
       }
       message = `${participant.name} took ${amount} damage (${participant.currentHp} → ${newHp} HP)`;
       logDelta = { ...logDelta, to: newHp, status: updates.status };
@@ -747,8 +796,31 @@ async function applyHpChange(encounter, participantId, changeType, amount, optio
 async function applyHpChangeGeneric(encounter, participant, changeType, amount, oldValues, ctx) {
   const participantId = participant.id;
   let updates, message, logDelta = { amount, from: participant.currentHp };
+  const currentTemp = participant.tempHp || 0;
 
   if (changeType === 'damage') {
+    // Temp HP absorbs damage first.
+    let remainingDmg = amount;
+    let tempAfter = currentTemp;
+    if (tempAfter > 0) {
+      const absorbed = Math.min(tempAfter, remainingDmg);
+      tempAfter -= absorbed;
+      remainingDmg -= absorbed;
+    }
+    if (remainingDmg === 0) {
+      const updatedParticipants0 = (encounter.participants || []).map(p =>
+        p.id === participantId ? { ...p, tempHp: tempAfter } : p
+      );
+      const log0 = {
+        type: 'hp_change', participantId, participantName: participant.name,
+        message: `${participant.name} took ${amount} damage (absorbed by temp HP, ${tempAfter} temp remaining)`,
+        delta: { amount, from: participant.currentHp, to: participant.currentHp, tempHp: tempAfter },
+        undo: { oldValues, newValues: { ...oldValues, tempHp: tempAfter } },
+      };
+      return commit(encounter, { participants: updatedParticipants0 }, log0, ctx);
+    }
+    amount = remainingDmg;
+    const tempFinal = tempAfter;
     if (oldValues.status === 'dead') {
       if (participant.type === 'monster' && participant.isActive !== false) {
         const updatedParticipants = (encounter.participants || []).map(p =>
@@ -772,11 +844,11 @@ async function applyHpChangeGeneric(encounter, participant, changeType, amount,
     const newHp = participant.currentHp - amount;
     const isMonster = participant.type === 'monster';
     if (newHp <= 0 && isMonster) {
-      updates = { currentHp: newHp, status: 'dead', isActive: false };
+      updates = { currentHp: newHp, status: 'dead', isActive: false, tempHp: tempFinal };
     } else if (newHp <= 0) {
-      updates = { currentHp: newHp, status: 'down' };
+      updates = { currentHp: newHp, status: 'down', tempHp: tempFinal };
     } else {
-      updates = { currentHp: newHp, status: 'conscious' };
+      updates = { currentHp: newHp, status: 'conscious', tempHp: tempFinal };
     }
     message = `${participant.name} took ${amount} damage (${participant.currentHp} → ${newHp} HP)`;
     logDelta = { ...logDelta, to: newHp, status: updates.status };
@@ -1115,7 +1187,7 @@ module.exports = {
   makeParticipant, buildCharacterParticipant, buildMonsterParticipant,
   startEncounter, nextTurn, togglePause,
   addParticipant, addParticipants, updateParticipant, removeParticipant,
-  toggleParticipantActive, applyHpChange, deathSave, stabilizeParticipant, reviveParticipant, markDead, toggleCondition,
+  toggleParticipantActive, applyHpChange, setTempHp, deathSave, stabilizeParticipant, reviveParticipant, markDead, toggleCondition,
   reorderParticipants, endEncounter,
   activateDisplay, clearDisplay, toggleHidePlayerHp,
 };
diff --git a/src/App.js b/src/App.js
index d960371..2d682cf 100644
--- a/src/App.js
+++ b/src/App.js
@@ -589,6 +589,7 @@ function EditParticipantModal({ participant, onClose, onSave }) {
   const [hpFormula, setHpFormula] = useState(participant.hpFormula || '');
   const [ac, setAc] = useState(participant.ac != null ? participant.ac : '');
   const [asNpc, setAsNpc] = useState(participant.type === 'npc');
+  const [tempHp, setTempHp] = useState(participant.tempHp || 0);
 
   const handleSubmit = (e) => {
     e.preventDefault();
@@ -608,6 +609,7 @@ function EditParticipantModal({ participant, onClose, onSave }) {
       maxHp: finalMaxHp,
       hpFormula: (participant.type === 'monster' || participant.type === 'npc') ? (hpFormula.trim() || null) : null,
       ac: ac !== '' ? parseInt(ac, 10) : null,
+      tempHp: Math.max(0, parseInt(tempHp, 10) || 0),
       type: participant.type === 'monster' || participant.type === 'npc' ? (asNpc ? 'npc' : 'monster') : participant.type,
     });
   };
@@ -666,6 +668,20 @@ function EditParticipantModal({ participant, onClose, onSave }) {
             />
           </div>
         </div>
+        <div className="flex gap-4">
+          <div className="flex-1">
+            <label className="block text-sm font-medium text-stone-300">Temp HP</label>
+            <input
+              type="number"
+              value={tempHp}
+              onChange={(e) => setTempHp(e.target.value)}
+              min="0"
+              placeholder="0"
+              className="mt-1 block w-full px-3 py-2 bg-stone-800 border border-stone-700 rounded-md shadow-sm focus:outline-none focus:ring-cyan-600 focus:border-cyan-600 sm:text-sm text-white"
+            />
+          </div>
+          <div className="flex-1" />
+        </div>
         {(participant.type === 'monster' || participant.type === 'npc') && (
           <div>
             <label className="block text-sm font-medium text-stone-300 mb-1">HP Formula</label>
@@ -736,6 +752,7 @@ function CharacterManager({ campaignId, campaignCharacters, syncCharacters }) {
   const [defaultMaxHp, setDefaultMaxHp] = useState(DEFAULT_MAX_HP);
   const [defaultInitMod, setDefaultInitMod] = useState(DEFAULT_INIT_MOD);
   const [defaultAc, setDefaultAc] = useState('');
+  const [isCharacterNpc, setIsCharacterNpc] = useState(false);
   const [editingCharacter, setEditingCharacter] = useState(null);
   const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
   const [itemToDelete, setItemToDelete] = useState(null);
@@ -782,7 +799,8 @@ function CharacterManager({ campaignId, campaignCharacters, syncCharacters }) {
       name: characterName.trim(),
       defaultMaxHp: hp,
       defaultInitMod: initMod,
-      defaultAc: defaultAc !== '' ? parseInt(defaultAc, 10) : null
+      defaultAc: defaultAc !== '' ? parseInt(defaultAc, 10) : null,
+      isNpc: isCharacterNpc || false,
     };
 
     try {
@@ -793,12 +811,13 @@ function CharacterManager({ campaignId, campaignCharacters, syncCharacters }) {
       setDefaultMaxHp(DEFAULT_MAX_HP);
       setDefaultInitMod(DEFAULT_INIT_MOD);
       setDefaultAc('');
+      setIsCharacterNpc(false);
     } catch (err) {
       console.error("Error adding character:", err);
       showToast("Failed to add character. Please try again.");    }
   };
 
-  const handleUpdateCharacter = async (characterId, newName, newDefaultMaxHp, newDefaultInitMod, newDefaultAc, newDefaultCurrentHp) => {
+  const handleUpdateCharacter = async (characterId, newName, newDefaultMaxHp, newDefaultInitMod, newDefaultAc, newDefaultCurrentHp, newIsNpc) => {
     if (!db || !newName.trim() || !campaignId) return;
 
     const hp = parseInt(newDefaultMaxHp, 10);
@@ -815,7 +834,7 @@ function CharacterManager({ campaignId, campaignCharacters, syncCharacters }) {
 
     const updatedCharacters = campaignCharacters.map(c =>
       c.id === characterId
-        ? { ...c, name: newName.trim(), defaultMaxHp: hp, defaultInitMod: initMod, defaultAc: newDefaultAc !== undefined && newDefaultAc !== '' ? parseInt(newDefaultAc, 10) : null, defaultCurrentHp: newDefaultCurrentHp !== undefined && newDefaultCurrentHp !== '' ? parseInt(newDefaultCurrentHp, 10) : null }
+        ? { ...c, name: newName.trim(), defaultMaxHp: hp, defaultInitMod: initMod, defaultAc: newDefaultAc !== undefined && newDefaultAc !== '' ? parseInt(newDefaultAc, 10) : null, defaultCurrentHp: newDefaultCurrentHp !== undefined && newDefaultCurrentHp !== '' ? parseInt(newDefaultCurrentHp, 10) : null, isNpc: newIsNpc != null ? newIsNpc : (c.isNpc || false) }
         : c
     );
 
@@ -924,6 +943,15 @@ function CharacterManager({ campaignId, campaignCharacters, syncCharacters }) {
                   className="w-full px-3 py-2 bg-stone-800 border border-stone-700 rounded-md shadow-sm focus:outline-none focus:ring-amber-600 focus:border-amber-600 sm:text-sm text-white"
                 />
               </div>
+              <label className="col-span-2 sm:col-span-12 flex items-center gap-2 text-xs font-medium text-stone-400 cursor-pointer">
+                <input
+                  type="checkbox"
+                  checked={isCharacterNpc}
+                  onChange={(e) => setIsCharacterNpc(e.target.checked)}
+                  className="w-4 h-4 accent-amber-600"
+                />
+                Long-lived NPC (death saves like character, red name in combat)
+              </label>
               <button
                 type="submit"
                 className="col-span-2 sm:col-span-12 sm:w-auto sm:justify-self-end px-4 py-2 text-sm font-medium text-white bg-amber-700 hover:bg-amber-800 rounded-md transition-colors flex items-center justify-center"
@@ -959,7 +987,8 @@ function CharacterManager({ campaignId, campaignCharacters, syncCharacters }) {
                           editingCharacter.defaultMaxHp,
                           editingCharacter.defaultInitMod,
                           editingCharacter.defaultAc,
-                          editingCharacter.defaultCurrentHp
+                          editingCharacter.defaultCurrentHp,
+                          editingCharacter.isNpc
                         );
                       }}
                       className="flex-grow flex flex-wrap gap-2 items-center"
@@ -1013,6 +1042,15 @@ function CharacterManager({ campaignId, campaignCharacters, syncCharacters }) {
                           title="AC"
                         />
                       </div>
+                      <label className="flex items-center gap-1 text-[10px] text-stone-400" title="Long-lived NPC">
+                        <input
+                          type="checkbox"
+                          checked={editingCharacter.isNpc || false}
+                          onChange={(e) => setEditingCharacter({ ...editingCharacter, isNpc: e.target.checked })}
+                          className="w-3 h-3 accent-red-600"
+                        />
+                        NPC
+                      </label>
                       <button type="submit" className="p-1 text-green-400 hover:text-green-300">
                         <Save size={18} />
                       </button>
@@ -1028,6 +1066,9 @@ function CharacterManager({ campaignId, campaignCharacters, syncCharacters }) {
                     <>
                       <div className="flex items-center mr-auto">
                         <span className="text-stone-100 mr-2">{character.name}</span>
+                        {character.isNpc && (
+                          <span className="px-1.5 py-0.5 rounded bg-red-900 text-red-200 text-xs font-medium border border-red-600" title="Long-lived NPC">NPC</span>
+                        )}
                         <div className="flex gap-1">
                           <span className="px-1.5 py-0.5 rounded bg-red-900/60 text-red-200 text-xs font-medium">HP {character.defaultMaxHp || '?'}</span>
                           {character.defaultCurrentHp != null && character.defaultCurrentHp !== character.defaultMaxHp && (
@@ -1376,6 +1417,15 @@ function ParticipantManager({ encounter, encounterPath, campaignCharacters, camp
     }
   };
 
+  const handleInlineTempHp = async (participantId, value) => {
+    const n = Math.max(0, parseInt(value, 10) || 0);
+    try {
+      await updateParticipant(encounter, participantId, { tempHp: n }, buildCtx(encounterPath));
+    } catch (err) {
+      showToast('Failed to update Temp HP.');
+    }
+  };
+
   const handleDeathSaveChange = async (participantId, outcome) => {
     if (!db) return;
     try {
@@ -1778,7 +1828,7 @@ function ParticipantManager({ encounter, encounterPath, campaignCharacters, camp
                       {isDead && <span className="ml-2 px-2 py-0.5 rounded bg-red-950 border border-red-500 text-red-200 text-xs font-bold">DEAD</span>}
                     </p>
                     <div className={`text-sm ${isCurrentTurn && !encounter.isPaused ? 'text-green-100' : 'text-stone-200'} flex items-center gap-2`}>
-                      <span className="inline-flex items-center gap-1">
+                      <span className="inline-flex items-center px-0.5 border border-amber-500 bg-stone-950 text-amber-300 rounded">
                         <label htmlFor={`init-${p.id}`} className="sr-only">Initiative</label>
                         <input
                           type="number"
@@ -1792,7 +1842,7 @@ function ParticipantManager({ encounter, encounterPath, campaignCharacters, camp
                           onFocus={(e) => { e.target.select(); handleFieldFocus(p.id, 'Initiative'); }}
                           onBlur={(e) => { if (e.target.value !== String(p.initiative)) handleInlineInitiative(p.id, e.target.value); handleFieldBlur(); }}
                           onKeyDown={(e) => { if (e.key === 'Enter') e.target.blur(); }}
-                          className="w-7 bg-transparent text-white text-base text-center border-b border-transparent hover:border-stone-500 focus:border-amber-500 focus:outline-none disabled:opacity-50 disabled:cursor-not-allowed [appearance:textfield] [&::-webkit-inner-spin-button]:appearance-none [&::-webkit-outer-spin-button]:appearance-none"
+                          className="w-7 bg-transparent text-amber-300 text-lg font-bold text-center focus:outline-none disabled:text-amber-300 disabled:opacity-100 [appearance:textfield] [&::-webkit-inner-spin-button]:appearance-none [&::-webkit-outer-spin-button]:appearance-none"
                           aria-label={`Initiative for ${p.name}`}
                         />
                       </span>
@@ -1816,10 +1866,23 @@ function ParticipantManager({ encounter, encounterPath, campaignCharacters, camp
                           onFocus={(e) => { e.target.select(); handleFieldFocus(p.id, 'Max HP'); }}
                           onBlur={(e) => { if (e.target.value !== String(p.maxHp)) handleInlineMaxHp(p.id, e.target.value); handleFieldBlur(); }}
                           onKeyDown={(e) => { if (e.key === 'Enter') e.target.blur(); if (e.key === 'Escape') e.target.value = p.maxHp; }}
-                          className="w-10 bg-transparent text-stone-400 text-base text-center border-b border-transparent hover:border-stone-500 focus:border-red-500 focus:outline-none [appearance:textfield] [&::-webkit-inner-spin-button]:appearance-none [&::-webkit-outer-spin-button]:appearance-none"
+                          className="w-10 bg-transparent text-stone-200 text-base text-center border-b border-transparent hover:border-stone-400 focus:border-red-500 focus:outline-none [appearance:textfield] [&::-webkit-inner-spin-button]:appearance-none [&::-webkit-outer-spin-button]:appearance-none"
                           aria-label={`Max HP for ${p.name}`}
                         />
                       </span>
+                      <span className="inline-flex items-baseline gap-0.5 ml-1" title="Temporary HP">
+                        <span className="text-[10px] text-cyan-400 font-semibold tracking-wide">+</span>
+                        <input
+                          type="number"
+                          defaultValue={p.tempHp || 0}
+                          key={`temphp-${p.tempHp || 0}`}
+                          onFocus={(e) => { e.target.select(); handleFieldFocus(p.id, 'Temp HP'); }}
+                          onBlur={(e) => { if (e.target.value !== String(p.tempHp || 0)) handleInlineTempHp(p.id, e.target.value); handleFieldBlur(); }}
+                          onKeyDown={(e) => { if (e.key === 'Enter') e.target.blur(); if (e.key === 'Escape') e.target.value = p.tempHp || 0; }}
+                          className={`w-7 bg-transparent text-base text-center border-b focus:outline-none [appearance:textfield] [&::-webkit-inner-spin-button]:appearance-none [&::-webkit-outer-spin-button]:appearance-none ${(p.tempHp || 0) > 0 ? 'text-cyan-200 border-cyan-500' : 'text-stone-300 border-transparent hover:border-stone-400'}`}
+                          aria-label={`Temp HP for ${p.name}`}
+                        />
+                      </span>
                       <span className="ml-auto inline-flex items-center gap-1">
                         {participantStatus === 'dead' && (
                           <button onClick={() => handleRevive(p.id)} className="inline-flex items-center gap-1 px-2 py-0.5 text-xs rounded bg-emerald-800 hover:bg-emerald-700 text-white" title="Revive (clear dead status)">