diff --git a/admin/index.php b/admin/index.php
index 2b641d5..4aa9dc5 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -76,7 +76,7 @@ require __DIR__ . '/../header.php';
       </thead>
       <tbody>
         <?php foreach ($families as $f): ?>
-        <tr style="border-bottom:1px solid #f1f5f9">
+        <tr style="border-bottom:1px solid var(--border-light)">
           <td style="padding:10px 14px;color:#94a3b8"><?= $f['id'] ?></td>
           <td style="padding:10px 14px;font-weight:600"><?= htmlspecialchars($f['name']) ?></td>
           <td style="padding:10px 14px"><code style="font-size:0.8rem;background:#f1f5f9;padding:2px 6px;border-radius:4px"><?= $f['db_name'] ?></code></td>
@@ -135,7 +135,7 @@ require __DIR__ . '/../header.php';
       </thead>
       <tbody>
         <?php foreach ($users as $u): $isSelf = $u['id'] == $_SESSION['user']['id']; ?>
-        <tr style="border-bottom:1px solid #f1f5f9<?= $isSelf ? ';background:#fafff4' : '' ?>">
+        <tr style="border-bottom:1px solid var(--border-light)<?= $isSelf ? ';background:#fafff4' : '' ?>">
           <td style="padding:10px 14px;color:#94a3b8"><?= $u['id'] ?></td>
           <td style="padding:10px 14px">
             <strong><?= htmlspecialchars($u['display_name']) ?></strong>
diff --git a/modules/budget/budget.css b/modules/budget/budget.css
index 29cc7c8..f732ae5 100644
--- a/modules/budget/budget.css
+++ b/modules/budget/budget.css
@@ -424,7 +424,7 @@ input[type="number"] {
 }
 .prev-salary-table td {
   padding: 8px 12px;
-  border-bottom: 1px solid #f1f5f9;
+  border-bottom: 1px solid var(--border-light);
   text-align: center;
 }
 
@@ -444,15 +444,15 @@ input[type="number"] {
 }
 .prev-alloc-table th {
   padding: 6px 10px;
-  border-right: 1px solid #f1f5f9;
+  border-right: 1px solid var(--border-light);
   white-space: nowrap;
   text-align: center;
   font-size: 0.9rem;
 }
 .prev-alloc-table td {
   padding: 3px 10px;
-  border-bottom: 1px solid #f1f5f9;
-  border-right: 1px solid #f1f5f9;
+  border-bottom: 1px solid var(--border-light);
+  border-right: 1px solid var(--border-light);
   white-space: nowrap;
   text-align: center;
   font-size: 0.9rem;
@@ -601,7 +601,7 @@ tr:hover .row-actions {
 .recap-table th,
 .recap-table td {
   padding: 10px 15px;
-  border-bottom: 1px solid #f1f5f9;
+  border-bottom: 1px solid var(--border-light);
   text-align: center;
   font-size: 0.95rem;
 }
diff --git a/modules/budget/views/recap.php b/modules/budget/views/recap.php
index b6aa4df..ee3e174 100644
--- a/modules/budget/views/recap.php
+++ b/modules/budget/views/recap.php
@@ -113,7 +113,7 @@ $totalRevenus = 0;
                     $rowClass = ($item['category'] === 'income') ? 'row-income' : 'row-expense';
                     if ($item['is_estimate']) $rowClass .= ' row-estimate';
                 ?>
-                <tr class="<?= $rowClass ?>" style="border-bottom:1px solid #f1f5f9;">
+                <tr class="<?= $rowClass ?>" style="border-bottom:1px solid var(--border-light);">
                     <td style="padding:15px;">
                         <strong><?= htmlspecialchars($item['name']) ?></strong>
                         <?= $item['is_estimate'] ? ' <small style="color:#64748b;">('.tr('bud_est_short').')</small>' : '' ?>
diff --git a/modules/garage/assets/garage.css b/modules/garage/assets/garage.css
index c88bb64..b5492f0 100644
--- a/modules/garage/assets/garage.css
+++ b/modules/garage/assets/garage.css
@@ -146,7 +146,7 @@
   padding: .65rem .9rem; border-bottom: 1px solid var(--border-light); white-space: nowrap;
 }
 .table-wrap table td {
-  padding: .65rem .9rem; border-bottom: 1px solid #f1f5f9;
+  padding: .65rem .9rem; border-bottom: 1px solid var(--border-light);
   vertical-align: middle; color: var(--text-main);
 }
 .table-wrap table tr:last-child td { border-bottom: none; }
@@ -292,7 +292,7 @@ textarea.form-control { resize: vertical; min-height: 80px; }
 .scroll-list-item {
   display: flex; align-items: center; gap: .75rem;
   padding: .45rem .75rem; cursor: pointer;
-  border-bottom: 1px solid #f1f5f9; transition: background .12s;
+  border-bottom: 1px solid var(--border-light); transition: background .12s;
   user-select: none;
 }
 .scroll-list-item:last-child { border-bottom: none; }
diff --git a/modules/gift-list/gift-list.css b/modules/gift-list/gift-list.css
index af62b31..694d500 100644
--- a/modules/gift-list/gift-list.css
+++ b/modules/gift-list/gift-list.css
@@ -120,7 +120,7 @@
   overflow-x: auto;
   padding-bottom: 12px;
   margin-bottom: 15px;
-  border-bottom: 1px solid var(--bg-subtle);
+  border-bottom: 1px solid var(--border-light);
   scrollbar-width: none; /* Firefox */
 }
 .pf-child-totals-bar::-webkit-scrollbar {
diff --git a/modules/holidays/holidays.css b/modules/holidays/holidays.css
index 91bbfdd..2a5eec9 100644
--- a/modules/holidays/holidays.css
+++ b/modules/holidays/holidays.css
@@ -470,7 +470,7 @@ body.no-scroll {
   background: var(--bg-panel);
   padding: 8px;
   border-radius: 8px;
-  border: 1px solid #f1f5f9;
+  border: 1px solid var(--border-light);
   box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
 }
 
@@ -1254,7 +1254,7 @@ input[type="date"]::-webkit-calendar-picker-indicator:hover {
 
 .hol-time-slot {
   height: 75px;
-  border-bottom: 1px solid #f1f5f9;
+  border-bottom: 1px solid var(--border-light);
   position: relative;
   transition: background 0.2s;
   box-sizing: border-box;
diff --git a/modules/holidays/views/list.php b/modules/holidays/views/list.php
index 2a02bfa..70a3b25 100644
--- a/modules/holidays/views/list.php
+++ b/modules/holidays/views/list.php
@@ -180,7 +180,7 @@ function renderHolidayCard($h, $pdo) {
             <span>🗓️ ".($dateDisplay ?: tr('hdl_dates_to_define'))."</span>
         </div>
         
-        <div style='margin-top:auto; padding-top:15px; border-top:1px solid #f1f5f9;'>
+        <div style='margin-top:auto; padding-top:15px; border-top:1px solid var(--border-light);'>
             <div style='display:flex; justify-content:space-between; align-items:center; margin-bottom:8px;'>
                 <span style='font-size:0.85rem; color:#64748b;'>".tr('hdl_total_budget')."</span>
                 <span style='font-size:1.1rem; font-weight:bold; color:#1e293b;'>".number_format($cost, 0, ',', ' ')." €</span>