From 38eba055ec95566b1cf01ad95a39cdd369f58e6c Mon Sep 17 00:00:00 2001
From: Hao Tran <account@haothitran.com>
Date: Thu, 20 Mar 2025 07:19:41 -0400
Subject: [PATCH] Update appearance

---
 assets/calculator.js |  32 ++++----
 assets/style.css     | 171 +++++++++++++++++++++++++++----------------
 assets/theme.js      |  15 ++++
 index.html           |  94 ++++++++++++++----------
 4 files changed, 194 insertions(+), 118 deletions(-)
 create mode 100644 assets/theme.js

diff --git a/assets/calculator.js b/assets/calculator.js
index 33a4341..f019586 100644
--- a/assets/calculator.js
+++ b/assets/calculator.js
@@ -402,8 +402,6 @@ function calculator() {
     const shortRateFactor = shortRate[searchDate];
     var earnedFactor =  shortRateFactor;
     var unearnedFactor = Math.round(((1 - shortRateFactor) + Number.EPSILON)*1000)/1000;
-    document.getElementById("earnedFactor").className = 'blue';
-    document.getElementById("unearnedFactor").className = 'blue';
   }else {
     var earnedFactor = 'ERROR'
     var unearnedFactor = 'ERROR'
@@ -414,7 +412,7 @@ function calculator() {
   var earnedPremium = Math.round(((totalPremium * earnedFactor) + Number.EPSILON)*100)/100;
   var unearnedPremium = Math.round(((totalPremium * unearnedFactor) + Number.EPSILON)*100)/100;
   document.getElementById("earnedPremium").className = 'green';
-  document.getElementById("unearnedPremium").className = 'orange';
+  document.getElementById("unearnedPremium").className = 'red';
 
   // calculate breakdown
   var calcBreak = +breakDO + +breakEO + +breakCyber + +breakLEI + +breakCGL + +breakProperty + +breakEB;
@@ -461,27 +459,27 @@ function calculator() {
     var percentEB = Math.round((((breakEB / totalPremium) * 100)  + Number.EPSILON)*100)/100;
     var earnedEB = Math.round(((breakEB * earnedFactor) + Number.EPSILON)*100)/100;
     var unearnedEB = Math.round(((breakEB * unearnedFactor) + Number.EPSILON)*100)/100;
-    document.getElementById("percentDO").className = 'blue';
+    document.getElementById("percentDO").className = 'normal';
     document.getElementById("earnedDO").className = 'green';
-    document.getElementById("unearnedDO").className = 'orange';
-    document.getElementById("percentEO").className = 'blue';
+    document.getElementById("unearnedDO").className = 'red';
+    document.getElementById("percentEO").className = 'normal';
     document.getElementById("earnedEO").className = 'green';
-    document.getElementById("unearnedEO").className = 'orange';
-    document.getElementById("percentCyber").className = 'blue';
+    document.getElementById("unearnedEO").className = 'red';
+    document.getElementById("percentCyber").className = 'normal';
     document.getElementById("earnedCyber").className = 'green';
-    document.getElementById("unearnedCyber").className = 'orange';
-    document.getElementById("percentLEI").className = 'blue';
+    document.getElementById("unearnedCyber").className = 'red';
+    document.getElementById("percentLEI").className = 'normal';
     document.getElementById("earnedLEI").className = 'green';
-    document.getElementById("unearnedLEI").className = 'orange';
-    document.getElementById("percentCGL").className = 'blue';
+    document.getElementById("unearnedLEI").className = 'red';
+    document.getElementById("percentCGL").className = 'normal';
     document.getElementById("earnedCGL").className = 'green';
-    document.getElementById("unearnedCGL").className = 'orange';
-    document.getElementById("percentProperty").className = 'blue';
+    document.getElementById("unearnedCGL").className = 'red';
+    document.getElementById("percentProperty").className = 'normal';
     document.getElementById("earnedProperty").className = 'green';
-    document.getElementById("unearnedProperty").className = 'orange';
-    document.getElementById("percentEB").className = 'blue';
+    document.getElementById("unearnedProperty").className = 'red';
+    document.getElementById("percentEB").className = 'normal';
     document.getElementById("earnedEB").className = 'green';
-    document.getElementById("unearnedEB").className = 'orange';
+    document.getElementById("unearnedEB").className = 'red';
   }else {
     var percentDO = 'ERROR'
     var earnedDO = 'ERROR'
diff --git a/assets/style.css b/assets/style.css
index cf3a828..569a1e8 100644
--- a/assets/style.css
+++ b/assets/style.css
@@ -37,27 +37,68 @@ form {
 
 :root {
   --width: 900px;
-  --font-family: Verdana, sans-serif;
+  --font-family: Verdana, Arial, sans-serif;
   --font-scale: 1em;
-  --bg-100: rgb(16, 15, 15);
+}
+
+:root.light {
+  --bg-100:rgb(255, 252, 240); 
+  --bg-200: rgb(242, 240, 229); 
+  --text-100: rgb(16, 15, 15);
+  --text-200: rgb(111, 110, 105);
+  --ui-100: rgb(183, 181, 172); 
+  --ui-200: rgb(111, 110, 105); 
+  --highlight-accent: rgb(32, 94, 170);
+  --highlight-earned: rgb(41, 119, 11);
+  --highlight-unearned: rgb(200, 52, 41);
+}
+
+:root.dark {
+  --bg-100:rgb(16, 15, 15);
   --bg-200: rgb(28, 27, 26);
-  --ui-100: rgb(40, 39, 38);
-  --ui-200: rgb(52, 51, 49);
-  --ui-300: rgb(64, 62, 60);
   --text-100: rgb(206, 205, 195);
   --text-200: rgb(135, 133, 128);
-  --text-300: rgb(87, 86, 83);
-  --blue-400: rgb(67, 133, 190);
-  --cyan-400: rgb(58, 169, 159);
-  --green-400: rgb(135, 154, 57);
-  --orange-400: rgb(218, 112, 44);
-  --purple-400: rgb(139, 126, 200);
-  --red-400: rgb(209, 77, 65);
-  --yellow-400: rgb(208, 162, 21);
+  --ui-100: rgb(40, 39, 38);
+  --ui-200: rgb(52, 51, 49);
+  --highlight-accent: rgb(63, 150, 231);
+  --highlight-earned: rgb(75, 182, 65);
+  --highlight-unearned: rgb(221, 82, 70);
 }
-@media (prefers-color-scheme: dark) {
-  :root {
-  }
+
+:root.slate {
+  --bg-100:rgb(20, 26, 38); 
+  --bg-200: rgb(25, 31, 44); 
+  --text-100: rgb(242, 242, 242);
+  --text-200: rgb(138, 138, 138);
+  --ui-100: rgb(35, 48, 75); 
+  --ui-200: rgb(26, 36, 58); 
+  --highlight-accent: rgb(27, 183, 255);
+  --highlight-earned: rgb(0, 255, 170);
+  --highlight-unearned: rgb(243, 76, 64);
+}
+
+:root.forest {
+  --bg-100:rgb(20, 26, 38); 
+  --bg-200: rgb(25, 31, 44); 
+  --text-100: rgb(242, 242, 242);
+  --text-200: rgb(138, 138, 138);
+  --ui-100: rgb(35, 48, 75); 
+  --ui-200: rgb(26, 36, 58); 
+  --highlight-accent: rgb(27, 183, 255);
+  --highlight-earned: rgb(54, 211, 35);
+  --highlight-unearned: rgb(217, 96, 26);
+}
+
+:root.summer {
+  --bg-100:rgb(255, 245, 228); 
+  --bg-200: rgb(252, 235, 205);
+  --text-100: rgb(197, 111, 72);
+  --text-200: rgb(151, 114, 87);
+  --ui-100: rgb(255, 227, 225); 
+  --ui-200: rgb(255, 209, 209); 
+  --highlight-accent: rgb(27, 183, 255);
+  --highlight-earned: rgb(149, 225, 211);
+  --highlight-unearned: rgb(243, 129, 129);
 }
 
 body {
@@ -76,12 +117,10 @@ body {
 -- // BASIC ELEMENTS
 ----------------------------------------------------------------------------- */
 
-.blue { color: var(--blue-400); }
-.cyan { color: var(--cyan-400); }
-.green { color: var(--green-400); }
-.orange { color: var(--orange-400); }
-.purple { color: var(--purple-400); }
-.red { color: var(--red-400); }
+.normal { color: var(--text-100); }
+.blue { color: var(--highlight-accent); }
+.green { color: var(--highlight-earned); }
+.red { color: var(--highlight-unearned); }
 
 h1 {
   font-size: 2em;
@@ -105,21 +144,16 @@ a,
 a:visited {
   color: var(--text-100);
   text-decoration: underline; 
-  text-underline-offset: 3px;
+  text-underline-offset: 2px;
   text-decoration-thickness: 1px;
   text-decoration-style: solid;
-  text-decoration-color: var(--cyan-400);
-  -webkit-transition: all .25s ease-in-out;
-     -moz-transition: all .25s ease-in-out;
-      -ms-transition: all .25s ease-in-out;
-       -o-transition: all .25s ease-in-out;
-          transition: all .25s ease-in-out;
+  text-decoration-color: var(--highlight-accent);
 }
 a:hover {
-  color: var(--cyan-400);
+  color: var(--highlight-accent);
   text-decoration: underline; 
   text-decoration-style: solid;
-  text-decoration-color: var(--cyan-400);
+  text-decoration-color: var(--highlight-accent);
 }
 
 ul {
@@ -133,9 +167,9 @@ li {
 blockquote {
   margin: 1em 0;
   padding: 12px 16px;
-  border: 1px dashed var(--yellow-400);
+  border: 1px solid var(--ui-100);
   background-color: var(--bg-200);
-  font-style: italic;
+  font-size: .875em;
 }
 
 /* -----------------------------------------------------------------------------
@@ -148,21 +182,14 @@ label {
 }
 
 input {
+  padding-left: 4px;
   border: 1px solid var(--ui-100);
   background-color: var(--bg-200);
-  color: var(--purple-400);
-  -webkit-transition: all .25s ease-in-out;
-     -moz-transition: all .25s ease-in-out;
-      -ms-transition: all .25s ease-in-out;
-       -o-transition: all .25s ease-in-out;
-          transition: all .25s ease-in-out;
-}
-input:hover {
-  border-color: var(--ui-300);
+  color: var(--highlight-accent);
 }
 input:focus {
   outline: none;
-  border-color: var(--cyan-400);
+  border-color: var(--ui-200);
 }
 
 /* Remove up and down arrows */
@@ -179,27 +206,23 @@ input[type="number"] {
   margin: 1em 0;
 }
 .calcMethod span {
-  margin-right: 16px;
+  margin-right: 1em;
 }
 input[type="radio"] {
   height: 1em;
   width: 1em;
   margin: 0 4px 0 8px;
 }
-#calcProRata,
-#calcShortRate {
-  accent-color: var(--yellow-400);
-}
 
 button {
-  margin-top: 1em;
-  padding: 8px 16px;
+  margin-top: 4rem;
+  padding: .75em 4em;
   border: 1px solid var(--ui-100);
   background-color: var(--bg-200);
   color: var(--text-100); 
 }
 button:hover{
-  border: 1px solid var(--ui-300);
+  border: 1px solid var(--ui-200);
   cursor: pointer;
 }
 
@@ -211,25 +234,24 @@ table {
   margin: 1em 0;
   width: 100%; 
   border-collapse: collapse;
-  border: 1px solid var(--ui-100);
-  background-color: var(--bg-200);
-}
-tr {
-  border: 1px solid var(--ui-100);
+  border: 0;
 }
 th {
-  padding: 2px 16px;
-  border-right: 1px solid var(--ui-100);
-  background-color: var(--ui-200);
+  padding: 2px 0 2px 8px;
   font-weight: bold;
+  text-align: left;
   vertical-align: middle;
 }
 td {
-  padding: 2px 16px;
-  border-right: 1px solid var(--ui-100);
+  padding: 2px 0 2px 8px;
   vertical-align: middle;
 }
 
+.with-border {
+  padding: 2px 4px;
+  border: 1px solid var(--ui-100);
+}
+
 /* -----------------------------------------------------------------------------
 -- // LAYOUT
 ----------------------------------------------------------------------------- */
@@ -247,7 +269,7 @@ main {
   margin: 0;
   padding: 0;
   flex-direction: row;
-  gap: 64px 32px;
+  gap: 4rem 2rem;
   flex-wrap: wrap;
   align-items: flex-start;
   justify-content: center;
@@ -267,12 +289,35 @@ main {
 .flex-4 {
   order: 4;
   flex-grow: 2;
+  text-align: center;
 }
 
 footer {
   margin-bottom: 4rem;
   padding-top: 12px;
-  border-top: 1px dashed var(--ui-100);
+  border-top: 1px solid var(--ui-100);
   font-size: .875em;
   color: var(--text-200);
 }
+
+select {
+  padding: 0 1em 0 0;
+  margin: 0;
+  border: none;
+  background-color: transparent;
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
+  cursor: inherit;
+}
+
+#theme-select {
+  float: right;
+  margin-right: 1em;
+  padding: 4px 8px;
+  border: 1px solid var(--ui-100);
+  border-radius: .25em;
+  background-color: var(--bg-200);
+  color: var(--text-200);
+  cursor: pointer;
+}
diff --git a/assets/theme.js b/assets/theme.js
new file mode 100644
index 0000000..2dfcceb
--- /dev/null
+++ b/assets/theme.js
@@ -0,0 +1,15 @@
+const setTheme = (theme) => {
+  document.documentElement.className = theme;
+  localStorage.setItem('theme', theme);
+}
+
+document.getElementById('theme-select').addEventListener('change', function() {
+  setTheme(this.value);
+});
+
+const getTheme = () => {
+  const theme = localStorage.getItem('theme');
+  theme && setTheme(theme);
+}
+
+getTheme();
diff --git a/index.html b/index.html
index 6c0f3a7..be09528 100644
--- a/index.html
+++ b/index.html
@@ -6,7 +6,7 @@
 
     <title>Premium Calculator</title>
 
-    <meta name="description" content="Insurance premium calculator for pro-rata and short-rate calculations.?">
+    <meta name="description" content="Insurance premium calculator for pro-rata and short-rate calculations.">
 
     <link rel="stylesheet" href="assets/style.css">
     <link rel="icon" type="image/x-icon" href="assets/favicon.ico">
@@ -18,28 +18,39 @@
     </header>
 
     <main>
-      <form action="/action_page.php">
       <div class="flex-container">
         <div class="flex-1">
           <h2>Policy Details</h2>
-          <label for="effectiveDate">Effective date:</label>
-          <input type="date" id="effectiveDate" name="effectiveDate" onblur="calculator()" min="0" oninput="validity.valid||(value='')">
-          <br>
-          <label for="expiryDate">Expiry date:</label>
-          <input type="date" id="expiryDate" name="expiryDate" onblur="calculator()" min="0" oninput="validity.valid||(value='')">
-          <br>
-          Days in policy term: <span id="termDays">-</span>
-          <br><br>
-          <label for="cancelDate">Cancellation date:</label>
-          <input type="date" id="cancelDate" name="cancelDate" onblur="calculator()" min="0" oninput="validity.valid||(value='')">
-          <br>
-          Days in force: <span id="forceDays">-</span>
-          <br>
-          Days remaining: <span id="remainingDays">-</span>
-          <br><br>
-          <label for="totalPremium">Total premium:</label>
-          <input type="number"  id="totalPremium" name="totalPremium" onblur="calculator()" min="0" oninput="validity.valid||(value='')">
-          
+          <table>
+            <tr>
+              <th><label for="effectiveDate">Effective date</label></th>
+              <td><input type="date" id="effectiveDate" name="effectiveDate" onblur="calculator()" min="0" oninput="validity.valid||(value='')"></td>
+            </tr>
+            <tr>
+              <th><label for="expiryDate">Expiry date:</label></th>
+              <td><input type="date" id="expiryDate" name="expiryDate" onblur="calculator()" min="0" oninput="validity.valid||(value='')"></td>
+            </tr>
+            <tr>
+              <th><label for="cancelDate">Cancellation date:</label></th>
+              <td><input type="date" id="cancelDate" name="cancelDate" onblur="calculator()" min="0" oninput="validity.valid||(value='')"></td>
+            </tr>
+            <tr>
+              <th><label for="totalPremium">Total premium:</label></th>
+              <td><input type="number"  id="totalPremium" name="totalPremium" onblur="calculator()" min="0" oninput="validity.valid||(value='')"></td>
+            </tr>
+            <tr>
+              <th>Days in policy term:</th>
+              <td><span id="termDays">-</span></td>
+            </tr>
+            <tr>
+              <th>Days in force:</th>
+              <td><span id="forceDays">-</span></td>
+            </tr>
+            <tr>
+              <th>Days remaining:</th>
+              <td><span id="remainingDays">-</span></td>
+            </tr>
+          </table>
         </div>
 
         <div class="flex-2">
@@ -58,34 +69,34 @@
 
           <table>
             <tr>
-              <th></th>
-              <th>Earned</th>
-              <th>Unearned</th>
+              <td class="with-border"></td>
+              <th class="with-border">Earned</th>
+              <th class="with-border">Unearned</th>
             </tr>
             <tr>
-              <td>Factor</td>
-              <td><span id="earnedFactor">-</span></td>
-              <td><span id="unearnedFactor">-</span></td>
+              <th class="with-border">Factor</th>
+              <td class="with-border"><span id="earnedFactor">-</span></td>
+              <td class="with-border"><span id="unearnedFactor">-</span></td>
             </tr>
             <tr>
-              <td>Premium</td>
-              <td><span id="earnedPremium">-</span></td>
-              <td><span id="unearnedPremium">-</span></td>
+              <th class="with-border">Premium</th>
+              <td class="with-border"><span id="earnedPremium">-</span></td>
+              <td class="with-border"><span id="unearnedPremium">-</span></td>
             </tr>
           </table>
         </div>
 
         <div class="flex-3">
-          <h2>Premium Breakdown</h2>
+          <h2>Premium Breakdown (Optional)</h2>
           <blockquote><span id="checkMatch">Total breakdown: N/A</span></blockquote>
 
           <table>
             <tr>
               <th>Coverage</th>
               <th>Premium</th>
-              <th>% of Total</th>
+              <th>Breakdown (%)</th>
               <th>Earned Premium</th>
-              <th>Unearned Premium </th>
+              <th>Unearned Premium</th>
             </tr>
             <tr>
               <td><label for="breakDO">D&O</label></td>
@@ -137,23 +148,30 @@
               <td><span id="unearnedEB">-</span></td>
             </tr>
           </table>
-      </form>
 
           <div class="flex-4">
-            <button onclick="calculator()">Calculate</button>
+            <button onClick="calculator()">Calculate</button>
           </div>
       </div>
    </main>
 
    <footer>
+    <select name="theme-select" id="theme-select">
+      <option value="light">Light</option>
+      <option value="dark">Dark</option>
+      <option value="slate">Slate</option>
+      <option value="forest">Forest</option>
+      <option value="summer">Summer</option>
+    </select>
+
     <ul>
-      <li>Made by <a href="https://haothitran.com">Hao Tran</a>.</li>
-      <li>View the project repository on <a href="https://forge.haothitran.com/KlazHTT/premium-calculator">Gitea</a> or <a href="https://github.com/KlazHTT/premium-calculator">Github</a>.</li>
-      <li>Calculations are rounded to the nearest hundredth decimal. As such, there may sometimes be issues of rounding error.</li>
-      <li>Although effort was made to insure the accuracy of this calculator, there is no guarantee on the accuracy of the calculations and results. This calculator is intended for personal and informational use only and does not constitute advice. </li>
+      <li>Made by <a href="https://haothitran.com">Hao Tran</a>. View the project repository on <a href="https://forge.haothitran.com/KlazHTT/premium-calculator">Gitea</a> or <a href="https://github.com/KlazHTT/premium-calculator">Github</a>.</li>
+      <li>Calculations are rounded to the nearest hundredth. As such, there may be rounding discrepancies.</li>
+      <li>This calculator is intended for informational use only and does not constitute advice. </li>
     </ul>
    </footer>
 
    <script src="assets/calculator.js"></script>
+   <script src="assets/theme.js"></script>
   </body>
 </html>