feat(ui): add Storybook design system refinements

frontend/.storybook/main.js

@@ -0,0 +1,13 @@
+/** @type { import('@storybook/react-vite').StorybookConfig } */
+const config = {
+  stories: ['../src/**/*.stories.{js,jsx,ts,tsx}'],
+  addons: [
+    '@storybook/addon-essentials',
+    '@storybook/addon-interactions',
+  ],
+  framework: {
+    name: '@storybook/react-vite',
+    options: {},
+  },
+};
+export default config;

frontend/.storybook/preview.js

@@ -0,0 +1,5 @@
+import '../src/styles.css';
+
+export const parameters = {
+  layout: 'fullscreen',
+};

frontend/package.json

@@ -6,14 +6,24 @@
   "scripts": {
     "dev": "vite",
     "build": "vite build",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "storybook": "storybook dev -p 6006",
+    "storybook:build": "storybook build"
   },
   "dependencies": {
     "react": "^18.3.1",
     "react-dom": "^18.3.1"
   },
   "devDependencies": {
+    "@storybook/addon-essentials": "^7.6.20",
+    "@storybook/addon-interactions": "^7.6.20",
+    "@storybook/blocks": "^7.6.20",
+    "@storybook/preview-api": "^7.6.20",
+    "@storybook/react": "^7.6.20",
+    "@storybook/react-vite": "^7.6.20",
+    "@storybook/test": "^7.6.20",
     "@vitejs/plugin-react": "^4.3.4",
+    "storybook": "^7.6.20",
     "vite": "^5.4.11"
   }
 }

frontend/src/App.jsx

@@ -172,23 +172,32 @@ export default function App() {
         <main className="app-shell">
           <div className="workspace">
             {view === 'archive' && (
-              <div className="search-row">
-                <input
-                  className="search-input"
-                  type="search"
-                  aria-label="Search archive"
-                  aria-busy={searchBusy}
-                  value={searchQuery}
-                  onChange={e => setSearchQuery(e.target.value)}
-                />
-                <div className="result-count">
-                  {resultCount}
+              <div className="toolbar">
+                <div className="search-field">
+                  <span className="ico" aria-hidden="true">
+                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round">
+                      <circle cx="11" cy="11" r="7"/><line x1="16.5" y1="16.5" x2="21" y2="21"/>
+                    </svg>
+                  </span>
+                  <input
+                    className="search-input"
+                    type="search"
+                    aria-label="Search archive"
+                    aria-busy={searchBusy}
+                    placeholder="Search titles, URLs, types, tags…"
+                    value={searchQuery}
+                    onChange={e => setSearchQuery(e.target.value)}
+                  />
+                  <span className="kbd">⌘K</span>
+                </div>
+                <span className="result-count">
+                  {resultCount && <><b>{resultCount.split(' ')[0]}</b>{' '}{resultCount.split(' ').slice(1).join(' ')}</>}
                   {tagFilter && (
                     <button className="tag-filter-badge" onClick={handleClearTagFilter}>
                       × {tagFilter}
                     </button>
                   )}
-                </div>
+                </span>
               </div>
             )}
             {view === 'archive' && (

frontend/src/components/CaptureDialog.stories.jsx

@@ -0,0 +1,41 @@
+import { useState } from 'react';
+import CaptureDialog from './CaptureDialog';
+
+export default {
+  component: CaptureDialog,
+  tags: ['autodocs'],
+};
+
+function CaptureDialogWrapper(args) {
+  const [open, setOpen] = useState(args.open);
+
+  return (
+    <div>
+      <button onClick={() => setOpen(true)} style={{ padding: '8px 16px', marginBottom: '16px' }}>
+        Open Capture Dialog
+      </button>
+      <CaptureDialog
+        {...args}
+        open={open}
+        onClose={() => setOpen(false)}
+      />
+    </div>
+  );
+}
+
+export const Default = {
+  render: (args) => <CaptureDialogWrapper {...args} />,
+  args: {
+    open: false,
+    archiveId: 'archive_1',
+    onCaptured: () => {},
+  },
+};
+
+export const Open = {
+  args: {
+    open: true,
+    archiveId: 'archive_1',
+    onCaptured: () => {},
+  },
+};

frontend/src/components/CollectionsView.jsx

@@ -192,7 +192,7 @@ export default function CollectionsView({ archiveId }) {
           {collections.map(c => (
             <button
               key={c.collection_uid}
-              className={`coll-row${selectedUid === c.collection_uid ? ' is-active' : ''}`}
+              className={`coll-sidebar-row${selectedUid === c.collection_uid ? ' is-active' : ''}`}
               onClick={() => setSelectedUid(c.collection_uid)}
             >
               <span className="coll-row-name">{c.name}</span>

frontend/src/components/ContextRail.jsx

@@ -1,6 +1,14 @@
 import { useState, useEffect, useRef } from 'react'
 import { fetchEntryDetail, fetchEntryTags, assignTag, removeTag, listEntryCollections } from '../api'
-import { formatTimestamp, formatBytes, valueText } from '../utils'
+import { formatTimestamp, formatBytes, valueText, sourceIconSvg } from '../utils'
+
+const VIS_LABEL = { 0: 'Private', 1: 'Public', 2: 'Users only', 3: 'Public' }
+
+const ExternalIcon = () => (
+  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
+    <path d="M7 17 17 7M9 7h8v8"/>
+  </svg>
+)
 
 export default function ContextRail({ archiveId, selectedEntry, onTagFilterSet, tagNodes, onTagsRefresh }) {
   const [detail, setDetail] = useState(null)
@@ -53,54 +61,60 @@ export default function ContextRail({ archiveId, selectedEntry, onTagFilterSet,
       const updated = await fetchEntryTags(archiveId, selectedEntry.entry_uid)
       setTags(updated)
       onTagsRefresh()
-    } catch (e) {
-      // silently ignore for now; could add error state
+    } catch {
+      // silently ignore
     }
   }
 
+  const metaRows = detail ? [
+    ['Added',      formatTimestamp(detail.summary.archived_at)],
+    ['Source',     detail.summary.source_kind],
+    ['Type',       detail.summary.entity_kind],
+    ['Visibility', detail.summary.visibility],
+    ['Root',       detail.structured_root_relpath],
+  ] : []
+
   return (
     <aside className="context-rail">
-      <div className="rail-title">Context</div>
-      {!selectedEntry ? (
-        <div className="rail-body">Select an entry.</div>
-      ) : !detail ? (
-        <div className="rail-body">Loading…</div>
-      ) : (
-        <div className="rail-body">
-          <strong className="rail-entry-title">
-            {valueText(detail.summary.title) || valueText(detail.summary.entry_uid)}
-          </strong>
+      <div className="rail-eyebrow">Context</div>
 
-          <div className="rail-section">
-            {detail.summary.original_url && (
-              <div className="rail-item">
-                <span className="rail-label">Original URL</span>:{' '}
-                <a
-                  href={detail.summary.original_url}
-                  target="_blank"
-                  rel="noopener noreferrer"
-                  className="rail-url-link"
-                >
-                  {detail.summary.original_url}
-                </a>
-              </div>
-            )}
-            {[
-              ['Added', formatTimestamp(detail.summary.archived_at)],
-              ['Source', detail.summary.source_kind],
-              ['Type', detail.summary.entity_kind],
-              ['Visibility', detail.summary.visibility],
-              ['Structured root', detail.structured_root_relpath],
-            ].map(([label, value]) => (
-              <div key={label} className="rail-item">
-                <span className="rail-label">{label}</span>: {valueText(value)}
+      {!selectedEntry ? (
+        <p className="tags-empty">Select an entry.</p>
+      ) : !detail ? (
+        <p className="tags-empty">Loading…</p>
+      ) : (
+        <>
+          <h2 className="rail-title">
+            {valueText(detail.summary.title) || valueText(detail.summary.entry_uid)}
+          </h2>
+
+          {detail.summary.original_url && (
+            <a
+              className="url-tile"
+              href={detail.summary.original_url}
+              target="_blank"
+              rel="noopener noreferrer"
+            >
+              <span className="ico" dangerouslySetInnerHTML={{ __html: sourceIconSvg(detail.summary.source_kind) }} />
+              <span className="u-text">{detail.summary.original_url}</span>
+              <span className="ext"><ExternalIcon /></span>
+            </a>
+          )}
+
+          <div className="meta-list">
+            {metaRows.filter(([, v]) => v != null && v !== '').map(([label, value]) => (
+              <div key={label} className="meta-item">
+                <span className="meta-k">{label}</span>
+                <span className={`meta-v${label === 'Root' ? ' mono' : ''}`}>{valueText(value)}</span>
               </div>
             ))}
           </div>
 
-          {detail.artifacts.length > 0 ? (
+          {detail.artifacts.length > 0 && (
             <div className="rail-section">
-              <div className="rail-section-heading">Artifacts ({detail.artifacts.length})</div>
+              <div className="rail-section-heading">
+                Artifacts <span className="num">{detail.artifacts.length}</span>
+              </div>
               <ul className="artifact-list">
                 {detail.artifacts.map((artifact, index) => (
                   <li key={index}>
@@ -110,64 +124,65 @@ export default function ContextRail({ archiveId, selectedEntry, onTagFilterSet,
                       rel="noopener noreferrer"
                       className="artifact-link"
                     >
-                      {artifact.artifact_role.replace(/_/g, ' ')}
-                      {artifact.byte_size != null ? ` (${formatBytes(artifact.byte_size)})` : ''}
+                      <span className="artifact-name">{artifact.artifact_role.replace(/_/g, ' ')}</span>
+                      <span className="artifact-size">
+                        {artifact.byte_size != null ? formatBytes(artifact.byte_size) : '—'}
+                      </span>
                     </a>
                   </li>
                 ))}
               </ul>
             </div>
-          ) : (
-            <div className="rail-item muted">No artifacts.</div>
           )}
-        </div>
+        </>
       )}
 
       {selectedEntry && (
         <>
-          <div className="entry-tags">
+          <div className="rail-section">
+            <div className="rail-section-heading">Tags</div>
             {tags.length === 0 ? (
-              <span className="muted">No tags.</span>
+              <p className="tags-empty">No tags yet.</p>
             ) : (
-              tags.map(tag => (
-                <span key={tag.tag_uid} className="tag-pill" title={tag.full_path}>
-                  {tag.name}
-                  <button
-                    className="remove-tag"
-                    title={`Remove tag ${tag.full_path}`}
-                    onClick={() => handleRemoveTag(tag.tag_uid)}
-                  >
-                    ×
-                  </button>
-                </span>
-              ))
-            )}
-          </div>
-          <div className="assign-tag-form">
-            <input
-              className="assign-tag-input"
-              type="text"
-              placeholder="/science/cs"
-              autoComplete="off"
-              value={assignInput}
-              onChange={e => setAssignInput(e.target.value)}
-              onKeyDown={e => { if (e.key === 'Enter') handleAssignTag() }}
-            />
-            <button className="assign-tag-btn" onClick={handleAssignTag}>Add tag</button>
-            {assignError && (
-              <div className="muted" style={{ fontSize: '0.85em', color: 'var(--accent)' }}>
-                {assignError}
+              <div className="tags-wrap">
+                {tags.map(tag => (
+                  <span key={tag.tag_uid} className="tag-pill" title={tag.full_path}>
+                    {tag.name}
+                    <button
+                      className="remove"
+                      title={`Remove tag ${tag.full_path}`}
+                      onClick={() => handleRemoveTag(tag.tag_uid)}
+                    >×</button>
+                  </span>
+                ))}
               </div>
             )}
+            {assignError && (
+              <p style={{ color: 'var(--accent)', fontSize: 13, margin: '0 0 8px' }}>{assignError}</p>
+            )}
+            <div className="tag-input-wrap">
+              <span className="hash">/</span>
+              <input
+                className="tag-input"
+                type="text"
+                placeholder="science/cs"
+                autoComplete="off"
+                value={assignInput}
+                onChange={e => setAssignInput(e.target.value)}
+                onKeyDown={e => { if (e.key === 'Enter') handleAssignTag() }}
+              />
+              <button className="tag-add-btn" onClick={handleAssignTag}>Add</button>
+            </div>
           </div>
-          {selectedEntry && entryCollections.length > 0 && (
+
+          {entryCollections.length > 0 && (
             <div className="rail-section">
               <div className="rail-section-heading">Collections</div>
               {entryCollections.map(c => (
-                <div key={c.collection_uid} className="rail-item">
-                  <span className="rail-label">{c.collection_uid}</span>:{' '}
-                  <span className="muted">
-                    {{ 0: 'Private', 1: 'Public', 2: 'Users only', 3: 'Public' }[c.visibility_bits] ?? `bits:${c.visibility_bits}`}
+                <div key={c.collection_uid} className="coll-row">
+                  <span className="coll-name">{c.collection_uid}</span>
+                  <span className="vis-badge">
+                    {VIS_LABEL[c.visibility_bits] ?? `bits:${c.visibility_bits}`}
                   </span>
                 </div>
               ))}

frontend/src/components/EntryRow.stories.jsx

@@ -0,0 +1,66 @@
+import EntryRow from './EntryRow';
+
+export default {
+  component: EntryRow,
+  tags: ['autodocs'],
+};
+
+const sampleEntry = {
+  entry_uid: 'entry_123',
+  title: 'A Great Article About Web Design',
+  archived_at: '2026-06-27T10:30:00Z',
+  entity_kind: 'page',
+  source_kind: 'web',
+  total_artifact_bytes: 2048576,
+  original_url: 'https://example.com/article',
+  has_favicon: false,
+};
+
+const videoEntry = {
+  entry_uid: 'entry_456',
+  title: 'React Performance Tips',
+  archived_at: '2026-06-26T14:15:00Z',
+  entity_kind: 'video',
+  source_kind: 'youtube',
+  total_artifact_bytes: 104857600,
+  original_url: 'https://youtube.com/watch?v=xyz',
+  has_favicon: false,
+};
+
+export const Default = {
+  args: {
+    entry: sampleEntry,
+    archiveId: 'archive_1',
+    isSelected: false,
+    onSelect: () => {},
+  },
+  decorators: [
+    (Story) => (
+      <div style={{
+        display: 'grid',
+        gridTemplateColumns: '178px 38% 130px 110px 34%',
+        gap: '10px',
+        padding: '10px',
+        background: 'var(--paper-3)',
+      }}>
+        <Story />
+      </div>
+    ),
+  ],
+};
+
+export const Selected = {
+  args: {
+    ...Default.args,
+    isSelected: true,
+  },
+  decorators: Default.decorators,
+};
+
+export const Video = {
+  args: {
+    ...Default.args,
+    entry: videoEntry,
+  },
+  decorators: Default.decorators,
+};

frontend/src/components/Topbar.jsx

@@ -16,10 +16,12 @@ export default function Topbar({ archives, archiveId, onArchiveChange, view, onV
   return (
     <header className="topbar">
       <div className="brand">Archivr</div>
-      <select className="archive-switcher" aria-label="Select archive"
-        value={archiveId ?? ''} onChange={e => onArchiveChange(e.target.value)}>
-        {archives.map(a => <option key={a.id} value={a.id}>{a.label}</option>)}
-      </select>
+      <div className="switcher">
+        <select aria-label="Select archive"
+          value={archiveId ?? ''} onChange={e => onArchiveChange(e.target.value)}>
+          {archives.map(a => <option key={a.id} value={a.id}>{a.label}</option>)}
+        </select>
+      </div>
       <nav className="nav" aria-label="Primary">
         {['archive', 'runs', 'admin', 'tags', 'collections', 'settings'].map(name => (
           <button key={name} className={`nav-link${view === name ? ' is-active' : ''}`}

frontend/src/components/Topbar.stories.jsx

@@ -0,0 +1,36 @@
+import Topbar from './Topbar';
+
+export default {
+  component: Topbar,
+  tags: ['autodocs'],
+};
+
+const defaultArchives = [
+  { id: '1', label: 'Main Archive' },
+  { id: '2', label: 'Research' },
+  { id: '3', label: 'Screenshots' },
+];
+
+export const Default = {
+  args: {
+    archives: defaultArchives,
+    archiveId: '1',
+    onArchiveChange: () => {},
+    view: 'archive',
+    onViewChange: () => {},
+    onCaptureClick: () => {},
+  },
+};
+
+export const WithUser = {
+  args: {
+    ...Default.args,
+  },
+  decorators: [
+    (Story) => (
+      <div style={{ background: 'var(--paper)' }}>
+        <Story />
+      </div>
+    ),
+  ],
+};

frontend/src/components/UIPatterns.stories.jsx

@@ -0,0 +1,102 @@
+export default {
+  title: 'UI Patterns',
+  tags: ['autodocs'],
+};
+
+export const Buttons = () => (
+  <div style={{ padding: '20px', display: 'flex', gap: '16px', flexWrap: 'wrap' }}>
+    <button className="capture-button">+ Capture</button>
+    <button className="nav-link">Nav Link</button>
+    <button className="nav-link is-active">Nav Link (Active)</button>
+    <button className="assign-tag-btn">Add Tag</button>
+    <button className="assign-tag-btn" style={{ pointerEvents: 'none', opacity: 0.6 }}>Disabled</button>
+  </div>
+);
+
+export const FormInputs = () => (
+  <div style={{ padding: '20px', maxWidth: '400px', display: 'flex', flexDirection: 'column', gap: '16px' }}>
+    <div>
+      <label style={{ display: 'block', marginBottom: '6px', color: 'var(--muted)', fontSize: '12px' }}>Search Input</label>
+      <input className="search-input" type="search" placeholder="Search archive..." />
+    </div>
+    <div>
+      <label style={{ display: 'block', marginBottom: '6px', color: 'var(--muted)', fontSize: '12px' }}>Capture Input</label>
+      <input className="capture-input" type="text" placeholder="tweet:1234567890 or https://..." />
+    </div>
+    <div>
+      <label style={{ display: 'block', marginBottom: '6px', color: 'var(--muted)', fontSize: '12px' }}>Tag Input</label>
+      <input className="assign-tag-input" type="text" placeholder="/science/cs" />
+    </div>
+    <div>
+      <label style={{ display: 'block', marginBottom: '6px', color: 'var(--muted)', fontSize: '12px' }}>Archive Switcher</label>
+      <select className="archive-switcher" style={{ width: '100%' }}>
+        <option>Main Archive</option>
+        <option>Research</option>
+        <option>Screenshots</option>
+      </select>
+    </div>
+  </div>
+);
+
+export const Pills = () => (
+  <div style={{ padding: '20px', display: 'flex', gap: '8px', flexWrap: 'wrap' }}>
+    <span className="type-pill">page</span>
+    <span className="type-pill">video</span>
+    <span className="type-pill">tweet_thread</span>
+    <span className="type-pill">file</span>
+  </div>
+);
+
+export const TagPills = () => (
+  <div style={{ padding: '20px', display: 'flex', gap: '8px', flexWrap: 'wrap' }}>
+    <span className="tag-pill">
+      science
+      <button className="remove-tag">×</button>
+    </span>
+    <span className="tag-pill">
+      computer-science
+      <button className="remove-tag">×</button>
+    </span>
+    <span className="tag-pill">
+      learning
+      <button className="remove-tag">×</button>
+    </span>
+  </div>
+);
+
+export const ColorPalette = () => (
+  <div style={{ padding: '20px', display: 'grid', gridTemplateColumns: 'repeat(auto-fit, minmax(200px, 1fr))', gap: '16px' }}>
+    <div>
+      <div style={{ height: '80px', background: 'var(--ink)', marginBottom: '8px', borderRadius: '4px' }} />
+      <strong>Ink</strong> (#20251f)
+    </div>
+    <div>
+      <div style={{ height: '80px', background: 'var(--paper)', border: '1px solid var(--line)', marginBottom: '8px', borderRadius: '4px' }} />
+      <strong>Paper</strong> (#f5f0e7)
+    </div>
+    <div>
+      <div style={{ height: '80px', background: 'var(--accent)', marginBottom: '8px', borderRadius: '4px' }} />
+      <strong>Accent</strong> (#8d3f30)
+    </div>
+    <div>
+      <div style={{ height: '80px', background: 'var(--accent-2)', marginBottom: '8px', borderRadius: '4px' }} />
+      <strong>Accent 2</strong> (#b78342)
+    </div>
+    <div>
+      <div style={{ height: '80px', background: 'var(--link)', marginBottom: '8px', borderRadius: '4px' }} />
+      <strong>Link</strong> (#245f72)
+    </div>
+    <div>
+      <div style={{ height: '80px', background: 'var(--top)', marginBottom: '8px', borderRadius: '4px' }} />
+      <strong>Top</strong> (#141d18)
+    </div>
+    <div>
+      <div style={{ height: '80px', background: 'var(--muted)', marginBottom: '8px', borderRadius: '4px' }} />
+      <strong>Muted</strong> (#666a61)
+    </div>
+    <div>
+      <div style={{ height: '80px', background: 'var(--line)', marginBottom: '8px', borderRadius: '4px' }} />
+      <strong>Line</strong> (#d2c6b5)
+    </div>
+  </div>
+);

frontend/vite.config.js

@@ -5,7 +5,7 @@ export default defineConfig({
   plugins: [react()],
   build: {
     outDir: "../crates/archivr-server/static",
-    emptyOutDir: false,
+    emptyOutDir: true,
     assetsDir: "assets",
   },
 });