style: enhance BaseUserAvatar presentation

frontend_nuxt/components/BaseUserAvatar.vue

@@ -1,18 +1,13 @@
 <template>
-  <component
-    :is="wrapperTag"
-    :to="isLink ? resolvedLink : undefined"
+  <NuxtLink
+    :to="resolvedLink"
     class="base-user-avatar"
     :class="wrapperClass"
     :style="wrapperStyle"
     v-bind="wrapperAttrs"
-    :role="isLink ? undefined : 'img'"
-    :aria-label="altText"
-    :title="altText"
   >
-    <span class="base-user-avatar-backdrop" aria-hidden="true" />
     <BaseImage :src="currentSrc" :alt="altText" class="base-user-avatar-img" @error="onError" />
-  </component>
+  </NuxtLink>
 </template>
 
 <script setup>
@@ -81,45 +76,15 @@ const sizeStyle = computed(() => {
   return { width: value, height: value }
 })
 
-const accentHue = computed(() => {
-  const seed = props.userId ?? props.alt
-  const source = seed !== undefined && seed !== null ? String(seed) : ''
-  if (!source) return 198
-  let hash = 0
-  for (let index = 0; index < source.length; index += 1) {
-    hash = (hash << 5) - hash + source.charCodeAt(index)
-    hash |= 0
-  }
-  return Math.abs(hash) % 360
-})
-
-const accentStyles = computed(() => {
-  const hue = accentHue.value
-  return {
-    '--avatar-accent': `hsl(${hue}, 74%, 54%)`,
-    '--avatar-accent-light': `hsl(${hue}, 95%, 82%)`,
-    '--avatar-accent-soft': `hsl(${hue}, 96%, 95%)`,
-    '--avatar-accent-border': `hsla(${hue}, 70%, 48%, 0.28)`,
-    '--avatar-accent-shadow': `hsla(${hue}, 68%, 36%, 0.2)`,
-  }
-})
-
 const wrapperStyle = computed(() => {
   const attrStyle = attrs.style
-  return [accentStyles.value, sizeStyle.value, attrStyle]
+  return [sizeStyle.value, attrStyle]
 })
 
-const isLink = computed(() => !props.disableLink && !!resolvedLink.value)
-
-const wrapperTag = computed(() => (isLink.value ? 'NuxtLink' : 'div'))
-
-const wrapperClass = computed(() => [
-  attrs.class,
-  { 'is-rounded': props.rounded, 'is-interactive': isLink.value },
-])
+const wrapperClass = computed(() => [attrs.class, { 'is-rounded': props.rounded }])
 
 const wrapperAttrs = computed(() => {
-  const { class: _class, style: _style, to: _to, href: _href, ...rest } = attrs
+  const { class: _class, style: _style, ...rest } = attrs
   return rest
 })
 
@@ -132,26 +97,33 @@ function onError() {
 
 <style scoped>
 .base-user-avatar {
-  position: relative;
+  --base-avatar-ring-width: var(--avatar-ring-width, 1.5px);
+  --base-avatar-ring: var(--avatar-ring, linear-gradient(135deg, #6366f1, #ec4899));
+  --base-avatar-surface: var(
+    --avatar-surface,
+    var(--avatar-placeholder-color, rgba(255, 255, 255, 0.88))
+  );
+  --base-avatar-shadow: var(--avatar-shadow, 0 12px 30px -18px rgba(15, 23, 42, 0.55));
+
   display: inline-flex;
   align-items: center;
   justify-content: center;
   overflow: hidden;
-  border-radius: 16px;
-  background: linear-gradient(
-    140deg,
-    var(--avatar-accent-soft, rgba(17, 182, 197, 0.12)) 0%,
-    var(--avatar-accent-light, rgba(17, 182, 197, 0.22)) 100%
-  );
-  border: 1px solid var(--avatar-accent-border, rgba(17, 182, 197, 0.2));
-  box-shadow:
-    0 1px 2px rgba(15, 52, 67, 0.08),
-    0 3px 8px var(--avatar-accent-shadow, rgba(17, 182, 197, 0.18));
+  position: relative;
+  box-sizing: border-box;
+  color: inherit;
+  border-radius: 50%;
+  border: var(--base-avatar-ring-width) solid transparent;
+  background:
+    var(--base-avatar-surface) padding-box,
+    var(--base-avatar-ring) border-box;
+  background-clip: padding-box, border-box;
+  background-origin: border-box;
+  box-shadow: var(--base-avatar-shadow);
   transition:
-    transform 0.3s ease,
-    box-shadow 0.3s ease,
-    border-color 0.3s ease,
-    background 0.3s ease;
+    transform 0.25s ease,
+    box-shadow 0.25s ease,
+    filter 0.25s ease;
 }
 
 .base-user-avatar.is-rounded {
@@ -159,57 +131,59 @@ function onError() {
 }
 
 .base-user-avatar:not(.is-rounded) {
-  border-radius: 0;
-}
-
-.base-user-avatar-backdrop {
-  position: absolute;
-  inset: 0;
-  pointer-events: none;
-  background:
-    radial-gradient(circle at 28% 28%, rgba(255, 255, 255, 0.72), transparent 62%),
-    linear-gradient(150deg, rgba(255, 255, 255, 0.08), transparent),
-    linear-gradient(
-      140deg,
-      var(--avatar-accent-soft, rgba(17, 182, 197, 0.08)) 0%,
-      var(--avatar-accent-light, rgba(17, 182, 197, 0.18)) 100%
-    );
-  opacity: 0.75;
-  transition:
-    opacity 0.35s ease,
-    transform 0.35s ease;
-  z-index: 0;
+  border-radius: var(--avatar-square-radius, 0);
 }
 
 .base-user-avatar-img {
-  position: relative;
   width: 100%;
   height: 100%;
   object-fit: cover;
   display: block;
-  z-index: 1;
   border-radius: inherit;
-  transition: transform 0.35s ease;
+  position: relative;
+  z-index: 1;
+  transition:
+    transform 0.25s ease,
+    filter 0.25s ease;
+  backface-visibility: hidden;
 }
 
-.base-user-avatar.is-interactive:hover,
-.base-user-avatar.is-interactive:focus-visible {
+.base-user-avatar:hover,
+.base-user-avatar:focus-visible {
   transform: translateY(-1px) scale(1.02);
-  border-color: var(--avatar-accent, var(--primary-color, #0a6e78));
-  box-shadow:
-    0 6px 16px var(--avatar-accent-shadow, rgba(17, 182, 197, 0.24)),
-    0 3px 6px rgba(15, 52, 67, 0.18);
-  outline: none;
+  box-shadow: 0 18px 35px -20px rgba(15, 23, 42, 0.65);
 }
 
-.base-user-avatar.is-interactive:hover .base-user-avatar-backdrop,
-.base-user-avatar.is-interactive:focus-visible .base-user-avatar-backdrop {
-  opacity: 1;
-  transform: scale(1.05);
+.base-user-avatar:focus-visible {
+  outline: 2px solid rgba(96, 165, 250, 0.6);
+  outline-offset: 3px;
 }
 
-.base-user-avatar.is-interactive:hover .base-user-avatar-img,
-.base-user-avatar.is-interactive:focus-visible .base-user-avatar-img {
-  transform: scale(1.02);
+.base-user-avatar:active {
+  transform: translateY(0) scale(0.99);
+}
+
+.base-user-avatar:hover .base-user-avatar-img,
+.base-user-avatar:focus-visible .base-user-avatar-img {
+  transform: scale(1.03);
+  filter: saturate(1.08);
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .base-user-avatar,
+  .base-user-avatar-img {
+    transition: none;
+  }
+
+  .base-user-avatar:hover,
+  .base-user-avatar:focus-visible,
+  .base-user-avatar:active {
+    transform: none;
+  }
+
+  .base-user-avatar:hover .base-user-avatar-img,
+  .base-user-avatar:focus-visible .base-user-avatar-img {
+    transform: none;
+  }
 }
 </style>