Improve mobile experience

script.js

@@ -316,10 +316,32 @@ document.body.appendChild(tocToggle);
 const toc = document.querySelector(".toc");
 const layout = document.querySelector(".layout");
 
+const isMobile = () => window.matchMedia("(max-width: 700px)").matches;
+
 tocToggle.addEventListener("click", () => {
   toc?.classList.toggle("collapsed");
   layout?.classList.toggle("toc-hidden");
-  document.body.classList.toggle("toc-collapsed");
+  if (isMobile()) {
+    document.body.classList.toggle("toc-open");
+  } else {
+    document.body.classList.toggle("toc-collapsed");
+  }
+});
+
+// auto-collapse on mobile (CSS defaults to collapsed, just ensure classes match)
+if (isMobile()) {
+  toc?.classList.add("collapsed");
+  layout?.classList.add("toc-hidden");
+  document.body.classList.remove("toc-open");
+}
+
+// close drawer when clicking a toc link on mobile
+tocList?.addEventListener("click", (e) => {
+  if (e.target.tagName === "A" && isMobile()) {
+    toc?.classList.add("collapsed");
+    layout?.classList.add("toc-hidden");
+    document.body.classList.remove("toc-open");
+  }
 });
 
 // scroll TOC item into view when navigating via hash

style.css

@@ -14,8 +14,13 @@
   box-sizing: border-box;
 }
 
+html {
+  max-width: 100%;
+}
+
 body {
   margin: 0;
+  max-width: 100%;
   color: var(--ink);
   background:
     radial-gradient(
@@ -40,7 +45,7 @@ body {
 }
 
 .hero {
-  padding: 48px 6vw 32px;
+  padding: clamp(24px, 6vw, 48px) clamp(16px, 6vw, 6vw) clamp(16px, 4vw, 32px);
   background:
     linear-gradient(120deg, rgba(182, 82, 47, 0.12), transparent 55%),
     linear-gradient(220deg, rgba(122, 46, 26, 0.18), transparent 45%);
@@ -51,7 +56,7 @@ body {
 .hero h1 {
   font-family:
     "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Garamond, serif;
-  font-size: clamp(2.4rem, 4vw, 3.6rem);
+  font-size: clamp(1.5rem, 6vw, 3.6rem);
   letter-spacing: 0.02em;
   margin: 0 0 8px;
 }
@@ -65,15 +70,15 @@ body {
 
 .layout {
   display: grid;
-  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
+  grid-template-columns: minmax(200px, 280px) minmax(0, 1fr);
-  gap: 28px;
+  gap: clamp(16px, 4vw, 28px);
-  padding: 32px 6vw 64px;
+  padding: clamp(16px, 4vw, 32px) clamp(12px, 6vw, 6vw) clamp(32px, 8vw, 64px);
 }
 
 .toc {
   background: var(--nav-bg);
   border-radius: 18px;
-  padding: 24px;
+  padding: clamp(16px, 4vw, 24px);
   box-shadow: 0 18px 40px var(--shadow);
   position: sticky;
   top: 24px;
@@ -102,7 +107,7 @@ body {
 
 .toc-letters {
   display: grid;
-  grid-template-columns: repeat(9, 1fr);
+  grid-template-columns: repeat(auto-fill, minmax(28px, 1fr));
   gap: 6px;
   margin-bottom: 16px;
 }
@@ -148,10 +153,13 @@ body {
 
 .content {
   background: rgba(255, 255, 255, 0.6);
-  border-radius: 24px;
+  border-radius: clamp(12px, 3vw, 24px);
-  padding: 32px 36px;
+  padding: clamp(16px, 4vw, 32px) clamp(16px, 5vw, 36px);
   box-shadow: 0 20px 55px var(--shadow);
   animation: fade-up 0.8s ease 0.2s both;
+  overflow-wrap: break-word;
+  word-wrap: break-word;
+  min-width: 0;
 }
 
 .content h2,
@@ -258,41 +266,69 @@ body.toc-collapsed .toc-toggle::before {
   grid-template-columns: 0 minmax(0, 1fr);
 }
 
-@media (max-width: 980px) {
+@media (max-width: 700px) {
-  .layout {
+  .page,
-    grid-template-columns: 1fr;
+  .hero,
+  .content {
+    max-width: 100%;
   }
 
   .toc {
-    position: relative;
+    position: fixed;
-    max-height: none;
+    top: 0;
+    left: 0;
+    bottom: 0;
+    width: min(85vw, 320px);
+    max-height: 100vh;
+    border-radius: 0 18px 18px 0;
+    z-index: 200;
+    margin-left: 0;
+    transform: translateX(-100%);
+    transition: transform 0.3s ease, opacity 0.3s ease;
+  }
+
+  .toc:not(.collapsed) {
+    transform: translateX(0);
+    opacity: 1;
+    pointer-events: auto;
   }
 
   .toc.collapsed {
-    margin-left: 0;
+    opacity: 0;
-    margin-top: -100%;
+    pointer-events: none;
-    height: 0;
-    padding: 0;
-    overflow: hidden;
-  }
-
-  .layout.toc-hidden {
-    grid-template-columns: 1fr;
   }
 
   .toc-toggle {
-    top: auto;
+    top: 50%;
-    bottom: 20px;
+    bottom: auto;
-    left: 20px;
+    transform: translateY(-50%);
-    transform: none;
+    z-index: 201;
-    border-radius: 8px;
+    transition: left 0.3s ease;
+    padding: 10px 6px;
+    font-size: 1rem;
+    left: 0;
+  }
+
+  body.toc-open .toc-toggle {
+    left: min(85vw, 320px);
   }
 
   .toc-toggle::before {
-    content: "▲";
+    content: "▶";
   }
 
-  body.toc-collapsed .toc-toggle::before {
+  body.toc-open .toc-toggle::before {
-    content: "▼";
+    content: "◀";
+  }
+
+  .layout,
+  .layout.toc-hidden {
+    display: block;
+    grid-template-columns: none;
+    max-width: 100%;
+  }
+
+  .content {
+    border-radius: clamp(8px, 2vw, 16px);
   }
 }