diff --git a/kjvstudy_org/server.py b/kjvstudy_org/server.py
index a5c9fb4..8d3fe8b 100644
--- a/kjvstudy_org/server.py
+++ b/kjvstudy_org/server.py
@@ -2423,6 +2423,9 @@ def read_verse(request: Request, book: str, chapter: int, verse_num: int):
         {"text": f"Verse {verse_num}", "url": None}
     ]
 
+    # Determine if Old Testament for interlinear styling
+    is_ot = book in OT_BOOKS
+
     return templates.TemplateResponse(
             request,
             "verse.html",
@@ -2442,6 +2445,7 @@ def read_verse(request: Request, book: str, chapter: int, verse_num: int):
             "current_verse": verse_num,
             "has_interlinear": has_interlinear,
             "interlinear_words": interlinear_words,
-            "related_content": related_content
+            "related_content": related_content,
+            "is_old_testament": is_ot
         }
     )
diff --git a/kjvstudy_org/templates/chapter_interlinear.html b/kjvstudy_org/templates/chapter_interlinear.html
index fd3713f..d9c4ac5 100644
--- a/kjvstudy_org/templates/chapter_interlinear.html
+++ b/kjvstudy_org/templates/chapter_interlinear.html
@@ -115,8 +115,8 @@
 }
 
 .verse-text {
-    font-size: 1.1rem;
-    line-height: 1.8;
+    font-size: 1.6rem;
+    line-height: 2;
     color: #333;
     font-style: italic;
     flex: 1;
@@ -134,7 +134,7 @@
 
 /* Interlinear flow */
 .interlinear-flow {
-    line-height: 4.2;
+    line-height: 2.8;
     font-size: 1rem;
     margin: 1rem 0 0 0;
     padding: 0.5rem 0;
@@ -143,14 +143,14 @@
 .word-unit {
     display: inline-block;
     text-align: center;
-    margin: 0 0.25rem 1rem 0.25rem;
+    margin: 0 0.05rem 0.5rem 0.05rem;
     vertical-align: top;
     cursor: pointer;
     position: relative;
-    padding: 0.6rem 0.8rem;
-    border-radius: 6px;
+    padding: 0.25rem 0.3rem;
+    border-radius: 4px;
     transition: all 0.2s ease;
-    min-width: 55px;
+    min-width: auto;
     border: 1px solid transparent;
 }
 
@@ -171,12 +171,28 @@
 
 .word-original {
     display: block;
-    font-size: 1.6rem;
-    font-weight: 500;
+    font-size: 2rem;
+    font-weight: 400;
     color: #222;
-    margin-bottom: 0.2rem;
-    line-height: 1.2;
+    margin-bottom: 0.35rem;
+    line-height: 1.4;
     transition: color 0.2s;
+    letter-spacing: 0.02em;
+}
+
+/* Hebrew text (RTL) */
+.word-original.hebrew {
+    direction: rtl;
+    font-family: "SBL Hebrew", "Ezra SIL", "Times New Roman", "Noto Serif Hebrew", serif;
+    font-size: 2.2rem;
+    letter-spacing: 0.04em;
+}
+
+/* Greek text */
+.word-original.greek {
+    font-family: "SBL Greek", "Gentium Plus", "Times New Roman", "Noto Serif", serif;
+    font-size: 2rem;
+    letter-spacing: 0.03em;
 }
 
 .word-unit:hover .word-original {
@@ -214,7 +230,7 @@
     color: #4a7c59;
 }
 
-/* Hover tooltip */
+/* Hover tooltip - full definition */
 .word-tooltip {
     position: absolute;
     bottom: 100%;
@@ -222,17 +238,18 @@
     transform: translateX(-50%) translateY(-4px);
     background: #333;
     color: #fff;
-    padding: 0.5rem 0.85rem;
+    padding: 0.65rem 1rem;
     border-radius: 4px;
-    font-size: 0.9rem;
-    white-space: nowrap;
-    max-width: 200px;
-    overflow: hidden;
-    text-overflow: ellipsis;
+    font-size: 0.95rem;
+    white-space: normal;
+    max-width: 380px;
+    min-width: 200px;
+    text-align: center;
+    line-height: 1.5;
     opacity: 0;
     pointer-events: none;
     transition: opacity 0.15s, transform 0.15s;
-    z-index: 50;
+    z-index: 999999999;
 }
 
 .word-tooltip::after {
@@ -291,9 +308,21 @@
 }
 
 .word-detail-original {
-    font-size: 1.8rem;
-    font-weight: 500;
+    font-size: 2.2rem;
+    font-weight: 400;
     color: #222;
+    line-height: 1.3;
+}
+
+.word-detail-original.hebrew {
+    direction: rtl;
+    font-family: "SBL Hebrew", "Ezra SIL", "Times New Roman", "Noto Serif Hebrew", serif;
+    font-size: 2.4rem;
+}
+
+.word-detail-original.greek {
+    font-family: "SBL Greek", "Gentium Plus", "Times New Roman", "Noto Serif", serif;
+    font-size: 2.2rem;
 }
 
 .word-detail-english {
@@ -460,7 +489,15 @@
     }
 
     .word-original {
-        font-size: 1.4rem;
+        font-size: 1.8rem;
+    }
+
+    .word-original.hebrew {
+        font-size: 2rem;
+    }
+
+    .word-original.greek {
+        font-size: 1.8rem;
     }
 
     .word-tooltip {
@@ -507,14 +544,7 @@
 
     <div class="page-header">
         <h1>{{ book }} {{ chapter }}</h1>
-        <p class="subtitle">
-            Interlinear Bible
-            {% if is_old_testament %}
-            <span class="testament-badge hebrew">Hebrew</span>
-            {% else %}
-            <span class="testament-badge greek">Greek</span>
-            {% endif %}
-        </p>
+        <p class="subtitle">Interlinear Bible</p>
     </div>
 
     <nav class="chapter-nav">
@@ -542,7 +572,7 @@
         <div class="interlinear-flow">
             {% for word in item.interlinear_words %}
             <div class="word-unit" onclick="toggleWord(this)">
-                <span class="word-original">{{ word.original }}</span>
+                <span class="word-original {% if is_old_testament %}hebrew{% else %}greek{% endif %}">{{ word.original }}</span>
                 <span class="word-english">{{ word.english }}</span>
                 <span class="word-strongs">
                     {% if word.strongs %}
@@ -557,12 +587,9 @@
                         {% endif %}
                     {% endif %}
                 </span>
-                {% if word.definition %}
-                <span class="word-tooltip">{{ word.definition[:50] }}{% if word.definition|length > 50 %}...{% endif %}</span>
-                {% endif %}
                 <div class="word-detail">
                     <div class="word-detail-header">
-                        <span class="word-detail-original">{{ word.original }}</span>
+                        <span class="word-detail-original {% if is_old_testament %}hebrew{% else %}greek{% endif %}">{{ word.original }}</span>
                         <span class="word-detail-english">{{ word.english }}</span>
                     </div>
                     {% if word.transliteration %}
diff --git a/kjvstudy_org/templates/verse.html b/kjvstudy_org/templates/verse.html
index fecb720..ef7e306 100644
--- a/kjvstudy_org/templates/verse.html
+++ b/kjvstudy_org/templates/verse.html
@@ -225,23 +225,23 @@
 }
 
 .interlinear-flow {
-    line-height: 4.2;
+    line-height: 2.8;
     font-size: 1rem;
     margin: 1rem 0;
-    padding: 1rem 0;
+    padding: 0.5rem 0;
 }
 
 .word-unit {
     display: inline-block;
     text-align: center;
-    margin: 0 0.25rem 1rem 0.25rem;
+    margin: 0 0.05rem 0.5rem 0.05rem;
     vertical-align: top;
     cursor: pointer;
     position: relative;
-    padding: 0.6rem 0.8rem;
-    border-radius: 6px;
+    padding: 0.25rem 0.3rem;
+    border-radius: 4px;
     transition: all 0.2s ease;
-    min-width: 55px;
+    min-width: auto;
     border: 1px solid transparent;
 }
 
@@ -262,12 +262,28 @@
 
 .word-original {
     display: block;
-    font-size: 1.6rem;
-    font-weight: 500;
+    font-size: 2rem;
+    font-weight: 400;
     color: #222;
-    margin-bottom: 0.2rem;
-    line-height: 1.2;
+    margin-bottom: 0.35rem;
+    line-height: 1.4;
     transition: color 0.2s;
+    letter-spacing: 0.02em;
+}
+
+/* Hebrew text (RTL) */
+.word-original.hebrew {
+    direction: rtl;
+    font-family: "SBL Hebrew", "Ezra SIL", "Times New Roman", "Noto Serif Hebrew", serif;
+    font-size: 2.2rem;
+    letter-spacing: 0.04em;
+}
+
+/* Greek text */
+.word-original.greek {
+    font-family: "SBL Greek", "Gentium Plus", "Times New Roman", "Noto Serif", serif;
+    font-size: 2rem;
+    letter-spacing: 0.03em;
 }
 
 .word-unit:hover .word-original {
@@ -305,7 +321,7 @@
     color: #4a7c59;
 }
 
-/* Hover tooltip - brief definition preview */
+/* Hover tooltip - full definition preview */
 .word-tooltip {
     position: absolute;
     bottom: 100%;
@@ -313,17 +329,18 @@
     transform: translateX(-50%) translateY(-4px);
     background: #333;
     color: #fff;
-    padding: 0.5rem 0.85rem;
+    padding: 0.65rem 1rem;
     border-radius: 4px;
-    font-size: 0.9rem;
-    white-space: nowrap;
-    max-width: 200px;
-    overflow: hidden;
-    text-overflow: ellipsis;
+    font-size: 0.95rem;
+    white-space: normal;
+    max-width: 380px;
+    min-width: 200px;
+    text-align: center;
+    line-height: 1.5;
     opacity: 0;
     pointer-events: none;
     transition: opacity 0.15s, transform 0.15s;
-    z-index: 50;
+    z-index: 999999999;
 }
 
 .word-tooltip::after {
@@ -382,9 +399,21 @@
 }
 
 .word-detail-original {
-    font-size: 1.8rem;
-    font-weight: 500;
+    font-size: 2.2rem;
+    font-weight: 400;
     color: #222;
+    line-height: 1.3;
+}
+
+.word-detail-original.hebrew {
+    direction: rtl;
+    font-family: "SBL Hebrew", "Ezra SIL", "Times New Roman", "Noto Serif Hebrew", serif;
+    font-size: 2.4rem;
+}
+
+.word-detail-original.greek {
+    font-family: "SBL Greek", "Gentium Plus", "Times New Roman", "Noto Serif", serif;
+    font-size: 2.2rem;
 }
 
 .word-detail-english {
@@ -539,7 +568,15 @@
     }
 
     .word-original {
-        font-size: 1.4rem;
+        font-size: 1.8rem;
+    }
+
+    .word-original.hebrew {
+        font-size: 2rem;
+    }
+
+    .word-original.greek {
+        font-size: 1.8rem;
     }
 
     .word-tooltip {
@@ -579,7 +616,7 @@
         <div class="interlinear-flow">
             {% for word in interlinear_words %}
             <div class="word-unit" onclick="toggleWord(this)">
-                <span class="word-original">{{ word.original }}</span>
+                <span class="word-original {% if is_old_testament %}hebrew{% else %}greek{% endif %}">{{ word.original }}</span>
                 <span class="word-english">{{ word.english }}</span>
                 <span class="word-strongs">
                     {% if word.strongs %}
@@ -594,12 +631,9 @@
                         {% endif %}
                     {% endif %}
                 </span>
-                {% if word.definition %}
-                <span class="word-tooltip">{{ word.definition[:50] }}{% if word.definition|length > 50 %}...{% endif %}</span>
-                {% endif %}
                 <div class="word-detail">
                     <div class="word-detail-header">
-                        <span class="word-detail-original">{{ word.original }}</span>
+                        <span class="word-detail-original {% if is_old_testament %}hebrew{% else %}greek{% endif %}">{{ word.original }}</span>
                         <span class="word-detail-english">{{ word.english }}</span>
                     </div>
                     {% if word.transliteration %}