From 47d72a2a580db12f70f56972347441c8b01d2b9d Mon Sep 17 00:00:00 2001
From: multipleof4 <planetrenox@protonmail.com>
Date: Sun, 9 Nov 2025 08:47:08 -0800
Subject: [PATCH] Feat: Stain vs Candara comparison page

---
 index.html | 354 ++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 326 insertions(+), 28 deletions(-)
diff --git a/index.html b/index.html
index a023aee..3ec9d9a 100644
--- a/index.html
+++ b/index.html
@@ -1,43 +1,341 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="en">
 <head>
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <title>Stain Font Viewer</title>
+  <meta charset="utf-8">
+  <title>Stain vs Candara Preview</title>
+  <meta name="viewport" content="width=device-width,initial-scale=1">
   <style>
-    @font-face {
-      font-family: 'Stain';
-      src: url('./dist/Stain.otf') format('opentype');
+    :root {
+      --bg: #f7f8fb;
+      --fg: #111827;
+      --accent: #2563eb;
+      --grid: #e5e7eb;
+      --border: #d1d5db;
+      --radius: 10px;
+      --font-ui: system-ui, -apple-system, BlinkMacSystemFont, -system-ui,
+                 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
     }
+    * { box-sizing: border-box; }
     body {
-      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
-      background-color: #fcfcfc; color: #333;
-      padding: 2em; line-height: 1.6;
+      margin: 0;
+      padding: 24px;
+      font-family: var(--font-ui);
+      background: var(--bg);
+      color: var(--fg);
+      -webkit-font-smoothing: antialiased;
     }
-    h1, h2 { font-weight: 400; }
-    textarea {
-      width: 100%; height: 100px; font-size: 1.5em;
-      border: 1px solid #ccc; border-radius: 4px; padding: 0.5em;
-      box-sizing: border-box; margin-bottom: 1em;
+    h1 {
+      margin: 0 0 8px;
+      font-weight: 600;
+      letter-spacing: 0.02em;
+    }
+    h2 {
+      margin: 24px 0 8px;
+      font-size: 16px;
+      font-weight: 600;
+      text-transform: uppercase;
+      letter-spacing: 0.16em;
+      color: #6b7280;
+    }
+    p {
+      margin: 4px 0 16px;
+      color: #4b5563;
+      max-width: 720px;
+      font-size: 14px;
+    }
+    .row {
+      display: flex;
+      flex-wrap: wrap;
+      gap: 16px;
+      margin-bottom: 16px;
+    }
+    .card {
+      flex: 1 1 260px;
+      background: #ffffff;
+      border-radius: var(--radius);
+      border: 1px solid var(--border);
+      padding: 14px 14px 12px;
+      box-shadow: 0 8px 18px rgba(15,23,42,0.04);
+      position: relative;
+      overflow: hidden;
+    }
+    .card-label {
+      font-size: 10px;
+      font-weight: 600;
+      text-transform: uppercase;
+      letter-spacing: 0.14em;
+      color: #9ca3af;
+      display: flex;
+      align-items: center;
+      gap: 6px;
+      margin-bottom: 4px;
+    }
+    .pill {
+      padding: 2px 8px 3px;
+      border-radius: 999px;
+      font-size: 9px;
+      font-weight: 600;
+      border: 1px solid #d1d5db;
+      color: #6b7280;
+      background: #f9fafb;
+    }
+    .sample {
+      font-size: 60px;
+      line-height: 1.1;
+      margin: 2px 0 6px;
+      display: flex;
+      flex-wrap: wrap;
+      gap: 10px 16px;
+    }
+    .sample span {
+      display: inline-block;
+    }
+    .caption {
+      font-size: 10px;
+      color: #9ca3af;
+      display: flex;
+      justify-content: space-between;
+      gap: 8px;
+      align-items: center;
+    }
+    .slider-wrap {
+      display: flex;
+      align-items: center;
+      gap: 8px;
+      font-size: 10px;
+      color: #6b7280;
+    }
+    input[type=range] {
+      -webkit-appearance: none;
+      appearance: none;
+      width: 120px;
+      height: 4px;
+      border-radius: 999px;
+      background: var(--grid);
+      outline: none;
+    }
+    input[type=range]::-webkit-slider-thumb {
+      -webkit-appearance: none;
+      appearance: none;
+      width: 13px;
+      height: 13px;
+      border-radius: 50%;
+      background: var(--accent);
+      cursor: pointer;
+      box-shadow: 0 1px 3px rgba(15,23,42,0.25);
+    }
+    input[type=range]::-moz-range-thumb {
+      width: 13px;
+      height: 13px;
+      border-radius: 50%;
+      background: var(--accent);
+      cursor: pointer;
+      box-shadow: 0 1px 3px rgba(15,23,42,0.25);
+    }
+    .grid {
+      position: absolute;
+      inset: 0;
+      background-image:
+        linear-gradient(to bottom, rgba(229,231,235,0.6) 1px, transparent 1px),
+        linear-gradient(to right, rgba(229,231,235,0.25) 1px, transparent 1px);
+      background-size: 22px 22px, 24px 24px;
+      opacity: 0.18;
+      pointer-events: none;
+      mix-blend-mode: multiply;
+    }
+    .grid-labels {
+      position: absolute;
+      left: 6px;
+      top: 8px;
+      font-size: 7px;
+      color: rgba(148,163,253,0.7);
+      display: flex;
+      flex-direction: column;
+      gap: 4px;
+      pointer-events: none;
+      text-shadow: 0 1px 1px rgba(255,255,255,0.9);
+    }
+    .grid-labels span {
+      padding: 1px 4px;
+      border-radius: 999px;
+      background: rgba(255,255,255,0.9);
+      border: 1px solid rgba(199,210,254,0.8);
+    }
+    .code {
+      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+      font-size: 9px;
+      padding: 3px 6px;
+      border-radius: 6px;
+      background: #f9fafb;
+      border: 1px solid #e5e7eb;
+      color: #6b7280;
+    }
+    .flex-between {
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+      gap: 8px;
+    }
+    .small-link {
+      font-size: 9px;
+      color: var(--accent);
+      text-decoration: none;
+    }
+    .small-link:hover {
+      text-decoration: underline;
+    }
+    @media (max-width: 640px) {
+      body {
+        padding: 16px;
+      }
+      .sample {
+        font-size: 42px;
+      }
+    }
+    @font-face {
+      font-family: "Stain";
+      src: url("./dist/Stain-Regular.ttf") format("truetype");
+      font-weight: 400;
+      font-style: normal;
+    }
+    .stain {
+      font-family: "Stain", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
+      font-feature-settings: "liga" 1, "kern" 1;
+    }
+    .candara {
+      font-family: Candara, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
     }
-    .display { font-size: 3em; padding: 0.2em; border: 1px dashed #ddd; }
-    .stain { font-family: 'Stain', sans-serif; }
-    .candara { font-family: Candara, Calibri, 'Segoe UI', sans-serif; }
   </style>
 </head>
 <body>
-  <h1>Stain Font</h1>
-  <textarea id="input" placeholder="Type here...">ABC abc</textarea>
-  <h2>Stain Font</h2>
-  <p class="display stain" id="stain-display">ABC abc</p>
-  <h2>Comparison (Candara / System Sans-Serif)</h2>
-  <p class="display candara" id="candara-display">ABC abc</p>
+  <header>
+    <h1>Stain Typeface Preview</h1>
+    <p>
+      Stain is a Candara-inspired humanist sans experiment.
+      This page compares Stain (left) with Candara (right) for A, B, C / a, b, c.
+      Make sure Candara is installed locally to see it accurately.
+    </p>
+  </header>
+
+  <h2>Core glyphs: A B C / a b c</h2>
+  <div class="row">
+    <section class="card">
+      <div class="grid" aria-hidden="true"></div>
+      <div class="grid-labels" aria-hidden="true">
+        <span>Ascender</span>
+        <span>x-height</span>
+        <span>Baseline</span>
+      </div>
+      <div class="card-label">
+        <span class="pill">Stain</span>
+        <span>Prototype outlines</span>
+      </div>
+      <div class="sample stain" id="stainSample">
+        <span>A</span><span>B</span><span>C</span>
+        <span>a</span><span>b</span><span>c</span>
+      </div>
+      <div class="caption">
+        <div class="slider-wrap">
+          Size
+          <input id="stainSize" type="range" min="28" max="96" value="60">
+        </div>
+        <code class="code">font-family: "Stain"</code>
+      </div>
+    </section>
+
+    <section class="card">
+      <div class="card-label">
+        <span class="pill">Candara</span>
+        <span>Reference glyphs</span>
+      </div>
+      <div class="sample candara" id="candaraSample">
+        <span>A</span><span>B</span><span>C</span>
+        <span>a</span><span>b</span><span>c</span>
+      </div>
+      <div class="caption flex-between">
+        <div class="slider-wrap">
+          Size
+          <input id="candaraSize" type="range" min="28" max="96" value="60">
+        </div>
+        <div>
+          <span class="code">font-family: Candara</span>
+        </div>
+      </div>
+    </section>
+  </div>
+
+  <h2>Side-by-side comparison</h2>
+  <div class="row">
+    <section class="card">
+      <div class="card-label">
+        <span class="pill">Pair</span>
+        Overlay scan-lines
+      </div>
+      <div class="sample">
+        <span class="stain" id="pairStain">ABC abc</span>
+        <span class="candara" id="pairCandara">ABC abc</span>
+      </div>
+      <div class="caption flex-between">
+        <div class="slider-wrap">
+          Shared size
+          <input id="pairSize" type="range" min="28" max="96" value="54">
+        </div>
+        <span class="code">Compare curves / modulation / width</span>
+      </div>
+    </section>
+
+    <section class="card">
+      <div class="card-label">
+        <span class="pill">Playground</span>
+        Custom text
+      </div>
+      <div class="sample" style="flex-direction: column; gap: 6px;">
+        <div class="stain" id="playStain">Stain ABC abc</div>
+        <div class="candara" id="playCandara">Stain ABC abc</div>
+      </div>
+      <div class="caption flex-between">
+        <input
+          id="playInput"
+          type="text"
+          value="Stain ABC abc"
+          style="flex:1;border:1px solid var(--border);border-radius:7px;padding:4px 6px;font-size:10px;font-family:var(--font-ui);color:#374151;background:#f9fafb;"
+        >
+        <a class="small-link" href="./dist/Stain-Regular.ttf" download>Download Stain-Regular.ttf</a>
+      </div>
+    </section>
+  </div>
 
   <script>
-    const i = document.getElementById('input');
-    const sd = document.getElementById('stain-display');
-    const cd = document.getElementById('candara-display');
-    i.oninput = () => sd.textContent = cd.textContent = i.value || i.placeholder;
+    const stainSample = document.getElementById("stainSample");
+    const candaraSample = document.getElementById("candaraSample");
+    const pairStain = document.getElementById("pairStain");
+    const pairCandara = document.getElementById("pairCandara");
+    const playStain = document.getElementById("playStain");
+    const playCandara = document.getElementById("playCandara");
+
+    const stainSize = document.getElementById("stainSize");
+    const candaraSize = document.getElementById("candaraSize");
+    const pairSize = document.getElementById("pairSize");
+    const playInput = document.getElementById("playInput");
+
+    const sync = (input, els) => {
+      const apply = () => {
+        const v = input.value;
+        els.forEach(e => e.style.fontSize = v + "px");
+      };
+      input.addEventListener("input", apply);
+      apply();
+    };
+
+    sync(stainSize, [stainSample]);
+    sync(candaraSize, [candaraSample]);
+    sync(pairSize, [pairStain, pairCandara, playStain, playCandara]);
+
+    playInput.addEventListener("input", () => {
+      const v = playInput.value || "Stain ABC abc";
+      playStain.textContent = v;
+      playCandara.textContent = v;
+    });
   </script>
 </body>
 </html>
