Update SCSS

src/style/_panels.scss

@@ -0,0 +1,142 @@
+@use 'mixins' as *;
+@use 'range-input' as *;
+
+html > body > aside.control-dock > .pages {
+  @include blurred-background(#fff);
+  width: min(calc(100vw - 1rem), 560px);
+  max-height: min(58vh, 520px);
+  max-height: min(58dvh, 520px);
+  margin: 0 auto 10px;
+  overflow-x: hidden;
+  overflow-y: auto;
+  border: 1px solid rgb(255 255 255 / 54%);
+  border-radius: 8px;
+  box-shadow:
+    0 18px 48px rgb(0 0 0 / 28%),
+    0 2px 10px rgb(0 0 0 / 16%);
+  scrollbar-width: thin;
+  scrollbar-color: var(--main-color) transparent;
+  transition:
+    max-height var(--transition-time-long),
+    opacity var(--transition-time-long),
+    transform var(--transition-time-long),
+    margin-bottom var(--transition-time-long);
+
+  &::-webkit-scrollbar-track,
+  &::-webkit-scrollbar {
+    background-color: transparent;
+    width: 6px;
+  }
+
+  &::-webkit-scrollbar-thumb {
+    background-color: var(--main-color);
+    border-radius: 8px;
+  }
+
+  &:focus-visible {
+    outline: 2px solid white;
+    outline-offset: 3px;
+  }
+
+  &.hidden {
+    max-height: 0;
+    margin-bottom: 0;
+    border-color: transparent;
+    opacity: 0;
+    pointer-events: none;
+    box-shadow: none;
+    transform: translateY(8px);
+    visibility: hidden;
+  }
+
+  > section {
+    display: flex;
+    flex-direction: column;
+    padding: var(--normal-margin);
+
+    h1 {
+      font-size: 2rem;
+      line-height: 1.1;
+    }
+
+    p {
+      @include main-font();
+      margin-bottom: var(--small-margin);
+      line-height: 1.65;
+    }
+
+    a {
+      color: var(--accent-color);
+    }
+
+    .slider {
+      $track-height: 8px;
+      $thumb-size: 22px;
+      margin-bottom: var(--small-margin);
+      user-select: none;
+
+      p {
+        display: flex;
+        justify-content: space-between;
+        gap: var(--small-margin);
+        margin-bottom: 0.35rem;
+        font-size: 0.95rem;
+      }
+
+      input[type='range'] {
+        @include settings-range-input();
+
+        &::-webkit-slider-runnable-track {
+          @include range-track(rgb(49 52 63 / 14%), $track-height, 1000px, null);
+        }
+
+        &::-webkit-slider-thumb {
+          @include range-thumb-base(
+            $thumb-size,
+            $thumb-size,
+            2px solid var(--accent-color),
+            1000px
+          );
+          margin-top: -7px;
+          appearance: none;
+          background: white;
+          box-shadow: 0 3px 10px rgb(0 0 0 / 20%);
+          transition: transform var(--transition-time);
+
+          &:hover {
+            transform: scale(1.08);
+          }
+        }
+
+        &::-moz-range-track {
+          @include range-track(rgb(49 52 63 / 14%), $track-height, 1000px, null);
+        }
+
+        &::-moz-range-thumb {
+          @include range-thumb-base(
+            $thumb-size,
+            $thumb-size,
+            2px solid var(--accent-color),
+            1000px
+          );
+          background: white;
+          box-shadow: 0 3px 10px rgb(0 0 0 / 20%);
+        }
+      }
+    }
+
+    .large-button {
+      margin: var(--small-margin) 0 0 auto;
+      border-radius: 8px;
+    }
+  }
+
+  @include on-small-screen {
+    max-height: min(54vh, 500px);
+    max-height: min(54dvh, 500px);
+
+    > section {
+      padding: var(--small-margin);
+    }
+  }
+}