diff --git a/services/web-ui/public/styles.css b/services/web-ui/public/styles.css
new file mode 100644
index 0000000..6ad24cc
--- /dev/null
+++ b/services/web-ui/public/styles.css
@@ -0,0 +1,473 @@
+/* ========== Z-AMPP Design System ========== */
+:root {
+  /* base palette - dark, gray-leaning, frame.io inspired */
+  --bg-0: #0B0D11;
+  --bg-1: #14171E;
+  --bg-2: #1B1F27;
+  --bg-3: #232833;
+  --bg-4: #2D3340;
+  --hover: rgba(255,255,255,0.04);
+  --hover-strong: rgba(255,255,255,0.07);
+  --border: rgba(255,255,255,0.06);
+  --border-strong: rgba(255,255,255,0.10);
+  --border-stronger: rgba(255,255,255,0.14);
+
+  /* text */
+  --text-1: #F2F3F6;
+  --text-2: #A8AEBC;
+  --text-3: #6B7280;
+  --text-4: #4B5260;
+
+  /* accent (blue, frame.io-ish) */
+  --accent: #5B7CFA;
+  --accent-hover: #6E8BFF;
+  --accent-soft: rgba(91, 124, 250, 0.14);
+  --accent-soft-2: rgba(91, 124, 250, 0.22);
+  --accent-text: #B4C3FF;
+
+  /* status */
+  --success: #2DD4A8;
+  --success-soft: rgba(45, 212, 168, 0.14);
+  --warning: #F5A623;
+  --warning-soft: rgba(245, 166, 35, 0.14);
+  --danger: #FF5B5B;
+  --danger-soft: rgba(255, 91, 91, 0.14);
+  --live: #FF3B30;
+  --live-soft: rgba(255, 59, 48, 0.18);
+  --purple: #B57CFA;
+  --purple-soft: rgba(181, 124, 250, 0.14);
+
+  /* radius */
+  --r-xs: 4px;
+  --r-sm: 6px;
+  --r-md: 8px;
+  --r-lg: 12px;
+  --r-xl: 16px;
+
+  /* shadow */
+  --shadow-pop: 0 12px 32px rgba(0,0,0,0.45), 0 2px 6px rgba(0,0,0,0.25);
+  --shadow-card: 0 1px 0 rgba(255,255,255,0.04) inset, 0 1px 2px rgba(0,0,0,0.3);
+
+  /* sizing (density tweakable) */
+  --sidebar-w: 232px;
+  --row-h: 44px;
+  --topbar-h: 56px;
+  --gap: 16px;
+
+  /* fonts */
+  --font-sans: "Geist", "Söhne", -apple-system, BlinkMacSystemFont, sans-serif;
+  --font-mono: "Geist Mono", "JetBrains Mono", ui-monospace, monospace;
+}
+
+/* density tweak */
+[data-density="compact"] {
+  --row-h: 36px;
+  --topbar-h: 48px;
+  --gap: 12px;
+}
+
+* { box-sizing: border-box; }
+html, body, #root { height: 100%; }
+body {
+  margin: 0;
+  background: var(--bg-0);
+  color: var(--text-1);
+  font-family: var(--font-sans);
+  font-feature-settings: "ss01", "cv11";
+  font-size: 14px;
+  line-height: 1.45;
+  -webkit-font-smoothing: antialiased;
+  overflow: hidden;
+}
+button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
+input, select, textarea { font: inherit; color: inherit; }
+a { color: inherit; text-decoration: none; }
+::-webkit-scrollbar { width: 10px; height: 10px; }
+::-webkit-scrollbar-track { background: transparent; }
+::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.07); border-radius: 99px; border: 2px solid var(--bg-0); }
+::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); }
+
+/* ========== Layout ========== */
+.app {
+  display: grid;
+  grid-template-columns: var(--sidebar-w) 1fr;
+  height: 100vh;
+  background: var(--bg-0);
+}
+.app[data-sidebar="collapsed"] { --sidebar-w: 56px; }
+
+/* ========== Sidebar ========== */
+.sidebar {
+  background: var(--bg-1);
+  border-right: 1px solid var(--border);
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+.sidebar-header {
+  height: var(--topbar-h);
+  display: flex;
+  align-items: center;
+  padding: 0 14px;
+  gap: 10px;
+  border-bottom: 1px solid var(--border);
+  flex-shrink: 0;
+}
+/* brand mark — dragon-evoking gradient */
+.brand-mark {
+  width: 28px; height: 28px;
+  border-radius: 8px;
+  background: linear-gradient(135deg, #FF6B35 0%, #C8362D 50%, #5B2D8A 100%);
+  display: grid;
+  place-items: center;
+  font-weight: 700;
+  font-size: 13px;
+  color: white;
+  letter-spacing: -0.02em;
+  flex-shrink: 0;
+  box-shadow: 0 0 12px rgba(255, 107, 53, 0.25);
+}
+.brand-name {
+  font-weight: 600;
+  letter-spacing: -0.01em;
+  font-size: 14px;
+  white-space: nowrap;
+}
+.brand-sub {
+  font-size: 11px;
+  color: var(--text-3);
+  margin-left: auto;
+  font-family: var(--font-mono);
+  white-space: nowrap;
+}
+.sidebar-scroll {
+  flex: 1;
+  overflow-y: auto;
+  padding: 12px 8px;
+}
+.nav-section-label {
+  font-size: 10px;
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 0.08em;
+  color: var(--text-4);
+  padding: 14px 10px 6px;
+}
+.nav-item {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 0 10px;
+  height: 32px;
+  border-radius: var(--r-sm);
+  color: var(--text-2);
+  font-size: 13px;
+  font-weight: 500;
+  cursor: pointer;
+  transition: background 80ms, color 80ms;
+  position: relative;
+}
+.nav-item:hover {
+  background: var(--hover);
+  color: var(--text-1);
+}
+.nav-item.active {
+  background: var(--accent-soft);
+  color: var(--accent-text);
+}
+.nav-item.active .nav-icon { color: var(--accent); }
+.nav-item.has-children > .nav-caret {
+  margin-left: auto;
+  opacity: 0.5;
+  transition: transform 120ms;
+}
+.nav-item.has-children.open > .nav-caret { transform: rotate(90deg); }
+.nav-icon {
+  width: 16px; height: 16px;
+  color: var(--text-3);
+  flex-shrink: 0;
+}
+.nav-item:hover .nav-icon { color: var(--text-2); }
+.nav-children {
+  margin: 2px 0 4px 22px;
+  border-left: 1px solid var(--border-strong);
+  padding-left: 6px;
+  display: flex;
+  flex-direction: column;
+  gap: 1px;
+}
+.nav-children .nav-item {
+  height: 28px;
+  font-size: 12.5px;
+  font-weight: 450;
+}
+.nav-badge {
+  margin-left: auto;
+  font-family: var(--font-mono);
+  font-size: 10px;
+  color: var(--text-3);
+  background: var(--bg-3);
+  padding: 1px 6px;
+  border-radius: 99px;
+  line-height: 1.5;
+}
+.nav-badge.dev {
+  color: var(--warning);
+  background: var(--warning-soft);
+}
+.nav-badge.live {
+  color: var(--live);
+  background: var(--live-soft);
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+.nav-badge.live::before {
+  content: "";
+  width: 5px; height: 5px;
+  border-radius: 50%;
+  background: var(--live);
+  animation: pulse 1.6s ease-in-out infinite;
+}
+@keyframes pulse {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.35; }
+}
+
+.sidebar-footer {
+  border-top: 1px solid var(--border);
+  padding: 10px;
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  flex-shrink: 0;
+}
+.avatar {
+  width: 28px; height: 28px;
+  border-radius: 50%;
+  background: linear-gradient(135deg, #5B7CFA, #B57CFA);
+  display: grid; place-items: center;
+  font-weight: 600; font-size: 11px;
+  color: white;
+  flex-shrink: 0;
+}
+.user-meta { display: flex; flex-direction: column; min-width: 0; flex: 1; }
+.user-name { font-size: 12.5px; font-weight: 500; }
+.user-role { font-size: 11px; color: var(--text-3); }
+.user-meta .user-name, .user-meta .user-role { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+
+/* ========== Top bar ========== */
+.main {
+  display: flex;
+  flex-direction: column;
+  min-width: 0;
+  overflow: hidden;
+}
+.topbar {
+  height: var(--topbar-h);
+  border-bottom: 1px solid var(--border);
+  display: flex;
+  align-items: center;
+  padding: 0 20px;
+  gap: 16px;
+  flex-shrink: 0;
+  background: var(--bg-0);
+}
+.crumb {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  font-size: 13px;
+  color: var(--text-2);
+}
+.crumb .sep { color: var(--text-4); }
+.crumb .current { color: var(--text-1); font-weight: 500; }
+.topbar .spacer { flex: 1; }
+.status-pip {
+  display: flex; align-items: center; gap: 6px;
+  font-size: 11.5px;
+  color: var(--text-3);
+  font-family: var(--font-mono);
+}
+.status-pip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px var(--success-soft); }
+.status-pip.warn .dot { background: var(--warning); box-shadow: 0 0 0 3px var(--warning-soft); }
+
+.icon-btn {
+  width: 32px; height: 32px;
+  border-radius: var(--r-sm);
+  display: grid; place-items: center;
+  color: var(--text-2);
+  transition: background 80ms, color 80ms;
+}
+.icon-btn:hover { background: var(--hover); color: var(--text-1); }
+.icon-btn svg { width: 16px; height: 16px; }
+
+.search {
+  position: relative;
+  height: 32px;
+  width: 280px;
+  display: flex; align-items: center;
+  background: var(--bg-1);
+  border: 1px solid var(--border);
+  border-radius: var(--r-sm);
+  padding: 0 12px 0 32px;
+  color: var(--text-2);
+  font-size: 12.5px;
+  transition: border 80ms, background 80ms;
+}
+.search:focus-within {
+  border-color: var(--accent);
+  background: var(--bg-2);
+}
+.search input { flex: 1; outline: 0; border: 0; background: transparent; min-width: 0; }
+.search .search-icon {
+  position: absolute;
+  left: 10px;
+  width: 14px; height: 14px;
+  color: var(--text-3);
+}
+.kbd {
+  font-family: var(--font-mono);
+  font-size: 10px;
+  color: var(--text-3);
+  background: var(--bg-2);
+  border: 1px solid var(--border);
+  padding: 1px 5px;
+  border-radius: 4px;
+  line-height: 1.2;
+}
+
+/* ========== Buttons ========== */
+.btn {
+  height: 32px;
+  padding: 0 12px;
+  border-radius: var(--r-sm);
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  font-size: 12.5px;
+  font-weight: 500;
+  border: 1px solid transparent;
+  transition: background 80ms, border 80ms, color 80ms;
+  white-space: nowrap;
+}
+.btn.primary { background: var(--accent); color: white; }
+.btn.primary:hover { background: var(--accent-hover); }
+.btn.ghost { background: transparent; color: var(--text-2); }
+.btn.ghost:hover { background: var(--hover); color: var(--text-1); }
+.btn.subtle { background: var(--bg-2); color: var(--text-1); border-color: var(--border); }
+.btn.subtle:hover { background: var(--bg-3); border-color: var(--border-strong); }
+.btn.danger { background: var(--danger-soft); color: var(--danger); }
+.btn.danger:hover { background: rgba(255,91,91,0.22); }
+.btn svg { width: 14px; height: 14px; }
+.btn.lg { height: 36px; padding: 0 16px; font-size: 13px; }
+.btn.sm { height: 26px; padding: 0 10px; font-size: 12px; }
+.btn.icon-only { padding: 0; width: 32px; justify-content: center; }
+.btn[disabled] { opacity: 0.5; cursor: not-allowed; }
+
+/* ========== Badges ========== */
+.badge {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  height: 20px;
+  padding: 0 7px;
+  border-radius: 4px;
+  font-size: 10.5px;
+  font-weight: 600;
+  letter-spacing: 0.02em;
+  text-transform: uppercase;
+  font-family: var(--font-mono);
+}
+.badge.live { background: var(--live-soft); color: var(--live); }
+.badge.live::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--live); animation: pulse 1.6s ease-in-out infinite; }
+.badge.success { background: var(--success-soft); color: var(--success); }
+.badge.warning { background: var(--warning-soft); color: var(--warning); }
+.badge.danger { background: var(--danger-soft); color: var(--danger); }
+.badge.accent { background: var(--accent-soft); color: var(--accent-text); }
+.badge.neutral { background: var(--bg-3); color: var(--text-2); }
+.badge.purple { background: var(--purple-soft); color: var(--purple); }
+.badge.outline { background: transparent; border: 1px solid var(--border-strong); color: var(--text-2); }
+
+/* ========== Cards / Panels ========== */
+.panel {
+  background: var(--bg-1);
+  border: 1px solid var(--border);
+  border-radius: var(--r-lg);
+}
+.panel-header {
+  height: 48px;
+  display: flex;
+  align-items: center;
+  padding: 0 16px;
+  gap: 12px;
+  border-bottom: 1px solid var(--border);
+}
+.panel-header h3 {
+  margin: 0;
+  font-size: 13.5px;
+  font-weight: 600;
+  letter-spacing: -0.01em;
+}
+.panel-body { padding: 16px; }
+
+/* ========== Page chrome ========== */
+.page {
+  flex: 1;
+  overflow-y: auto;
+  overflow-x: hidden;
+}
+.page-header {
+  padding: 24px 28px 8px;
+  display: flex;
+  align-items: flex-end;
+  gap: 16px;
+}
+.page-header h1 {
+  margin: 0;
+  font-size: 22px;
+  font-weight: 600;
+  letter-spacing: -0.02em;
+}
+.page-header .subtitle {
+  color: var(--text-3);
+  font-size: 13px;
+}
+.page-header .spacer { flex: 1; }
+.page-body { padding: 16px 28px 40px; }
+
+/* ========== Generic utility ========== */
+.row { display: flex; align-items: center; gap: 8px; }
+.col { display: flex; flex-direction: column; }
+.muted { color: var(--text-3); }
+.subtle-text { color: var(--text-2); font-size: 12.5px; }
+.mono { font-family: var(--font-mono); }
+.divider { height: 1px; background: var(--border); margin: 12px 0; }
+
+/* keyframes shared */
+@keyframes shimmer {
+  0% { background-position: -200% 0; }
+  100% { background-position: 200% 0; }
+}
+@keyframes spin { to { transform: rotate(360deg); } }
+@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }
+.fade-in { animation: fadeIn 200ms ease both; }
+
+/* tooltip */
+[data-tip] { position: relative; }
+[data-tip]:hover::after {
+  content: attr(data-tip);
+  position: absolute;
+  bottom: calc(100% + 6px);
+  left: 50%;
+  transform: translateX(-50%);
+  background: var(--bg-4);
+  color: var(--text-1);
+  font-size: 11px;
+  padding: 4px 8px;
+  border-radius: 4px;
+  white-space: nowrap;
+  z-index: 100;
+  pointer-events: none;
+  border: 1px solid var(--border-strong);
+}