--- a/hg-web/src/index.css	Sat Jan 24 21:52:14 2026 -0800
+++ b/hg-web/src/index.css	Sun Jan 25 20:04:55 2026 -0800
@@ -1,179 +1,751 @@
+/* ===========================================
+   Component Styles
+   Import base.css before this file
+   =========================================== */
+
+/* ===========================================
+   App Layout
+   =========================================== */
+.app-container {
+  max-width: 1200px;
+  margin: 0 auto;
+  padding: 40px 20px;
+}
+
+/* ===========================================
+   Header
+   =========================================== */
 .header {
-  border-bottom: 1px solid var(--border);
-  padding-bottom: 1rem;
-  margin-bottom: 2rem;
+  display: flex;
+  align-items: center;
+  margin-bottom: 24px;
+  gap: 15px;
+}
+
+.header-icon {
+  width: 32px;
+  height: 32px;
+  opacity: 0.8;
+  cursor: pointer;
 }
 
 .header h1 {
-  margin-bottom: 0.5rem;
+  margin: 0;
+  font-size: 24px;
+  font-weight: 600;
+  color: var(--text-primary);
+}
+
+.header h1 a {
+  color: inherit;
+  text-decoration: none;
+}
+
+.header-subtitle {
+  color: var(--text-secondary);
+  margin: 0;
+  font-size: 14px;
 }
 
-.header .description {
-  color: var(--secondary);
-  font-size: 0.95rem;
+/* ===========================================
+   Navigation Tabs
+   =========================================== */
+.nav-tabs {
+  display: flex;
+  gap: 8px;
+  margin-bottom: 24px;
+  border-bottom: 1px solid var(--border);
+  padding-bottom: 8px;
 }
 
-.clone-info {
-  background: var(--code-bg);
-  border: 1px solid var(--border);
+.nav-tab {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 8px 16px;
   border-radius: 6px;
-  padding: 1rem;
-  margin-bottom: 2rem;
+  background: transparent;
+  border: 1px solid transparent;
+  color: var(--text-secondary);
+  cursor: pointer;
+  font-size: 14px;
+  transition: all 0.2s;
+}
+
+.nav-tab:hover {
+  background: var(--bg-subtle);
+  color: var(--text-primary);
+}
+
+.nav-tab.active {
+  background: var(--bg-subtle);
+  border-color: var(--border);
+  color: var(--text-primary);
+  font-weight: 500;
 }
 
-.clone-info code {
-  background: none;
-  color: var(--fg);
-  font-size: 0.95rem;
+.nav-tab svg {
+  color: var(--text-secondary);
+}
+
+/* ===========================================
+   Landing Page
+   =========================================== */
+.landing-grid {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 24px;
+}
+
+@media (max-width: 768px) {
+  .landing-grid {
+    grid-template-columns: 1fr;
+  }
+}
+
+.landing-section {
+  background: var(--bg);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+  overflow: hidden;
 }
 
-.breadcrumb {
-  margin-bottom: 1.5rem;
-  font-size: 0.95rem;
+.landing-section-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 12px 16px;
+  background: var(--bg-subtle);
+  border-bottom: 1px solid var(--border);
 }
 
-.breadcrumb a {
-  color: var(--link);
+.landing-section-title {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  font-weight: 600;
+  font-size: 14px;
+  color: var(--text-primary);
 }
 
-.breadcrumb a:hover {
+.landing-section-title svg {
+  color: var(--text-secondary);
+}
+
+.landing-section-link {
+  font-size: 12px;
+  color: var(--accent);
+  text-decoration: none;
+  padding: 4px 8px;
+  border-radius: 4px;
+  transition: background 0.2s;
+}
+
+.landing-section-link:hover {
+  background: var(--bg-subtle);
   text-decoration: underline;
 }
 
-.breadcrumb span {
-  color: var(--secondary);
-  margin: 0 0.5rem;
+.landing-section-content {
+  padding: 0;
+}
+
+/* ===========================================
+   Directory Items (Landing Preview)
+   =========================================== */
+.dir-item {
+  display: flex;
+  align-items: center;
+  padding: 10px 16px;
+  border-bottom: 1px solid var(--border);
+  font-size: 14px;
+  cursor: pointer;
+  transition: background 0.1s;
+}
+
+.dir-item:last-child {
+  border-bottom: none;
+}
+
+.dir-item:hover {
+  background: var(--hover);
+}
+
+.dir-item-icon {
+  margin-right: 12px;
+  opacity: 0.7;
+}
+
+.dir-item-icon img {
+  width: 18px;
+  height: 18px;
+}
+
+.dir-item-name {
+  color: var(--text-primary);
+}
+
+.dir-item-name:hover {
+  color: var(--accent);
+}
+
+/* ===========================================
+   Page Header (Graph Page)
+   =========================================== */
+.page-header {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  margin-bottom: 16px;
 }
 
-.file-list {
+.back-button {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 6px 12px;
+  background: var(--bg-subtle);
   border: 1px solid var(--border);
   border-radius: 6px;
+  color: var(--text-secondary);
+  cursor: pointer;
+  font-size: 13px;
+  transition: all 0.2s;
+}
+
+.back-button:hover {
+  background: var(--hover);
+  color: var(--text-primary);
+}
+
+.page-title {
+  font-size: 18px;
+  font-weight: 600;
+  color: var(--text-primary);
+}
+
+/* ===========================================
+   Graph Params
+   =========================================== */
+.graph-params {
+  display: flex;
+  gap: 12px;
+  margin-bottom: 16px;
+  font-size: 12px;
+  color: var(--text-secondary);
+}
+
+.graph-param {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 4px 8px;
+  background: var(--bg-subtle);
+  border-radius: 4px;
+}
+
+.graph-param-label {
+  font-weight: 500;
+}
+
+.graph-param-value {
+  font-family: monospace;
+  color: var(--accent);
+}
+
+/* ===========================================
+   Graph Component
+   =========================================== */
+.graph-container {
+  background: var(--bg);
+  color: var(--text-primary);
+  font-family: "More Thin", sans-serif;
+  border-radius: 6px;
+  border: 1px solid var(--border);
   overflow: hidden;
 }
 
-.file-item {
+.graph-wrapper {
   display: flex;
-  align-items: center;
-  padding: 0.75rem 1rem;
-  border-bottom: 1px solid var(--border);
-  transition: background-color 0.2s;
+  align-items: flex-start;
+  max-height: 600px;
+  overflow-y: auto;
+}
+
+.graph-canvas-column {
+  flex-shrink: 0;
+  background: var(--bg);
+  position: sticky;
+  left: 0;
 }
 
-.file-item:last-child {
-  border-bottom: none;
+.graph-details-column {
+  flex-grow: 1;
+  overflow-x: hidden;
 }
 
-.file-item:hover {
+.graph-row {
+  height: 40px;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  padding: 0 12px;
+  border-bottom: 1px solid var(--border);
+  font-size: 12px;
+  cursor: pointer;
+  transition: background-color 0.1s;
+}
+
+.graph-row:hover {
   background: var(--hover);
 }
 
-.file-item .icon {
-  margin-right: 0.75rem;
-  font-size: 1.2rem;
-  width: 20px;
-  text-align: center;
+.graph-row-meta {
+  display: flex;
+  gap: 10px;
+  margin-bottom: 2px;
+  align-items: center;
+}
+
+.graph-hash {
+  color: var(--accent);
+  font-family: monospace;
+}
+
+.graph-user {
+  color: var(--text-secondary);
+  font-weight: 500;
+}
+
+.graph-branch {
+  color: var(--text-secondary);
+  font-size: 10px;
+  background: var(--bg-subtle);
+  padding: 1px 6px;
+  border-radius: 3px;
+}
+
+.graph-desc {
+  color: var(--text-primary);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  display: flex;
+  align-items: center;
+  gap: 6px;
+}
+
+.graph-badge-tip {
+  background: var(--success);
+  color: #fff;
+  padding: 0 4px;
+  border-radius: 2px;
+  font-size: 10px;
+  font-weight: bold;
+  flex-shrink: 0;
+}
+
+.graph-badge-tag {
+  background: var(--accent);
+  color: #fff;
+  padding: 0 4px;
+  border-radius: 2px;
+  font-size: 10px;
+  font-weight: bold;
+  flex-shrink: 0;
 }
 
-.file-item .name {
-  flex: 1;
-  font-family: 'Monaco', 'Courier New', monospace;
-  font-size: 0.9rem;
+.graph-loading-row {
+  height: 40px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: var(--text-secondary);
+  font-size: 12px;
+}
+
+/* ===========================================
+   Common States
+   =========================================== */
+.empty-state {
+  padding: 40px;
+  text-align: center;
+  color: var(--text-secondary);
+}
+
+.loading-state {
+  padding: 40px;
+  text-align: center;
+  color: var(--text-secondary);
 }
 
-.file-item .name a {
-  color: var(--fg);
+.error-message {
+  padding: 15px;
+  border: 1px solid var(--danger-border);
+  background: var(--danger-bg);
+  color: var(--danger);
+  border-radius: 6px;
+  margin-bottom: 20px;
+}
+
+/* ===========================================
+   Repository Browser
+   =========================================== */
+.repo-container {
+  font-family: "More Thin", sans-serif;
+  max-width: 980px;
+  margin: 40px auto;
+  color: var(--text-primary);
+  padding: 0 20px;
+}
+
+/* Clone Box */
+.clone-box {
+  background: var(--bg-subtle);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  padding: 12px 16px;
+  margin-bottom: 24px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
 }
 
-.file-item .name a:hover {
-  color: var(--link);
+.clone-label {
+  font-weight: 600;
+  font-size: 13px;
+  margin-right: 10px;
+  color: var(--text-primary);
+}
+
+.clone-url {
+  font-family: "More Thin", sans-serif;
+  background: var(--bg);
+  border: 1px solid var(--border);
+  padding: 4px 8px;
+  border-radius: 4px;
+  font-size: 12px;
+  color: var(--text-secondary);
+  flex-grow: 1;
+}
+
+/* Breadcrumb */
+.breadcrumb {
+  display: flex;
+  align-items: center;
+  font-size: 14px;
+  margin-bottom: 16px;
+  color: var(--text-secondary);
+  padding: 8px 0;
 }
 
-.file-item.directory .icon {
+.breadcrumb a {
   color: var(--accent);
+  text-decoration: none;
+  border-radius: 4px;
+  padding: 2px 6px;
+}
+
+.breadcrumb a:hover {
+  background: var(--bg-subtle);
+  text-decoration: underline;
+}
+
+.breadcrumb .separator {
+  margin: 0 4px;
+  color: var(--text-secondary);
+  opacity: 0.5;
+}
+
+.breadcrumb .nav-item.active {
+  font-weight: 600;
+  color: var(--text-primary);
+  padding: 2px 6px;
+}
+
+/* File List */
+.file-list-container {
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  overflow: hidden;
+  background: var(--bg);
 }
 
-.file-item.file .icon {
-  color: var(--secondary);
+.file-header {
+  background: var(--bg-subtle);
+  border-bottom: 1px solid var(--border);
+  padding: 12px 16px;
+  font-size: 13px;
+  font-weight: 600;
+  color: var(--text-secondary);
+}
+
+.file-row {
+  display: flex;
+  align-items: center;
+  padding: 10px 16px;
+  border-bottom: 1px solid var(--border);
+  transition: background 0.1s;
+}
+
+.file-row:last-child {
+  border-bottom: none;
+}
+
+.file-row:hover {
+  background: var(--hover);
 }
 
-.readme-section {
-  margin-top: 2rem;
-  padding-top: 2rem;
-  border-top: 1px solid var(--border);
+.file-row .icon img {
+  width: 20px;
+  height: 20px;
+  vertical-align: middle;
+  margin-right: 12px;
+}
+
+.file-row .name a {
+  color: var(--text-primary);
+  text-decoration: none;
+  font-size: 14px;
 }
 
-.readme-section h2 {
-  margin-bottom: 1rem;
-  font-size: 1.5rem;
+.file-row .name a:hover {
+  color: var(--accent);
+  text-decoration: underline;
+}
+
+/* Readme */
+.readme-section {
+  margin-top: 32px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+}
+
+.readme-header {
+  background: var(--bg-subtle);
+  padding: 10px 16px;
+  font-size: 12px;
+  font-weight: 600;
+  border-bottom: 1px solid var(--border);
+  display: flex;
+  align-items: center;
+  gap: 8px;
 }
 
 .readme-content {
+  padding: 32px;
+  background: var(--bg);
+  overflow-x: auto;
+  color: var(--text-primary);
+}
+
+/* File Viewer Modal */
+.file-viewer-overlay {
+  position: fixed;
+  inset: 0;
+  background: var(--overlay);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 1000;
+  padding: 20px;
+}
+
+.file-viewer {
+  background: var(--bg);
   border: 1px solid var(--border);
   border-radius: 6px;
-  padding: 1.5rem;
-  background: var(--code-bg);
+  width: 100%;
+  max-width: 900px;
+  max-height: 90vh;
+  display: flex;
+  flex-direction: column;
+  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
+}
+
+.file-viewer-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 12px 16px;
+  background: var(--bg-subtle);
+  border-bottom: 1px solid var(--border);
+  border-radius: 6px 6px 0 0;
+}
+
+.file-viewer-title {
+  font-weight: 600;
+  font-size: 14px;
+  color: var(--text-primary);
+  display: flex;
+  align-items: center;
+  gap: 8px;
 }
 
-.readme-content h1 { font-size: 1.75rem; margin-top: 1.5rem; }
-.readme-content h2 { font-size: 1.5rem; margin-top: 1.25rem; }
-.readme-content h3 { font-size: 1.25rem; margin-top: 1rem; }
+.file-viewer-close {
+  background: transparent;
+  border: none;
+  cursor: pointer;
+  padding: 4px;
+  border-radius: 4px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
 
-.readme-content h1:first-child,
-.readme-content h2:first-child,
-.readme-content h3:first-child {
-  margin-top: 0;
+.file-viewer-close:hover {
+  background: var(--hover);
+}
+
+.file-viewer-close img {
+  width: 16px;
+  height: 16px;
+  opacity: 0.7;
+}
+
+.file-viewer-content {
+  overflow: auto;
+  flex: 1;
 }
 
-.readme-content ul,
-.readme-content ol {
-  margin-left: 2rem;
-  margin-bottom: 1rem;
+.file-viewer-content pre {
+  margin: 0;
+  padding: 16px;
+  background: var(--bg-code);
+  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
+  font-size: 13px;
+  line-height: 1.5;
+  overflow-x: auto;
+}
+
+.file-viewer-content code {
+  background: transparent;
+  padding: 0;
 }
 
-.readme-content li {
-  margin-bottom: 0.5rem;
+.file-viewer-loading {
+  padding: 40px;
+  text-align: center;
+  color: var(--text-secondary);
 }
 
-.readme-content img {
-  max-width: 100%;
-  height: auto;
-  border-radius: 6px;
+.file-viewer-line-numbers {
+  display: inline-block;
+  user-select: none;
+  text-align: right;
+  padding-right: 16px;
+  margin-right: 16px;
+  border-right: 1px solid var(--border);
+  color: var(--text-secondary);
+  opacity: 0.5;
 }
 
-.empty-state {
-  text-align: center;
-  padding: 3rem 1rem;
-  color: var(--secondary);
+/* Theme Toggle Button */
+.theme-toggle {
+  margin-left: auto;
+  background: var(--bg-subtle);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  padding: 8px 12px;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  color: var(--text-secondary);
+  font-size: 13px;
+  transition: all 0.2s;
 }
 
-.error-message {
-  background: var(--danger);
-  color: white;
-  padding: 1rem;
-  border-radius: 6px;
-  margin-bottom: 1rem;
+.theme-toggle:hover {
+  background: var(--hover);
+  color: var(--text-primary);
+}
+
+.theme-toggle svg {
+  flex-shrink: 0;
+}
+
+/* Description */
+.description {
+  color: var(--text-secondary);
+  margin: 0;
+  font-size: 14px;
 }
 
-/* Mobile responsive */
+/* ===========================================
+   Mobile Responsive
+   =========================================== */
 @media (max-width: 768px) {
-  main {
-    padding: 1rem;
+  .app-container {
+    padding: 20px 15px;
   }
 
-  .file-item {
-    padding: 0.5rem 0.75rem;
+  .repo-container {
+    padding: 0 15px;
+  }
+
+  .file-row {
+    padding: 8px 12px;
   }
 
-  .file-item .name {
-    font-size: 0.85rem;
-  }
-
-  .clone-info {
-    padding: 0.75rem;
-    overflow-x: auto;
-  }
-
-  .readme-content {
-    padding: 1rem;
+  .clone-box {
+    padding: 10px 12px;
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 8px;
   }
 }
+
+/* ===========================================
+   Footer
+   =========================================== */
+.footer {
+  margin-top: 48px;
+  padding-top: 24px;
+  border-top: 1px solid var(--border);
+}
+
+.footer-content {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 8px;
+  padding: 16px 0;
+  color: var(--text-secondary);
+  font-size: 13px;
+}
+
+.footer-separator {
+  opacity: 0.5;
+}
+
+.footer-text {
+  color: var(--text-secondary);
+}
+
+.clone-box-inner {
+  display: flex;
+  align-items: center;
+  width: 100%;
+}
+
+/* Header content wrapper */
+.header-content {
+  flex: 1;
+}
+
+.header-content h1 {
+  margin: 0;
+  font-size: 24px;
+  font-weight: 600;
+  color: var(--text-primary);
+}
+
+.header-content h1 a {
+  color: inherit;
+  text-decoration: none;
+}
+
+.header-content h1 a:hover {
+  text-decoration: none;
+}