diff --git a/src/refine.css b/src/refine.css
new file mode 100644
index 0000000..e02cb92
--- /dev/null
+++ b/src/refine.css
@@ -0,0 +1,659 @@
+
+:root{
+  --ink:#172033;
+  --muted:#718096;
+  --line:#e3e8ef;
+  --surface:#ffffff;
+  --soft:#f4f7f9;
+  --accent:#111827;
+  --success:#18794e;
+}
+
+body{
+  background:#edf2f5;
+}
+
+.app{
+  background:linear-gradient(180deg,#f9fbfc 0%,#f4f7f9 100%);
+}
+
+.topbar{
+  border-color:rgba(216,224,232,.85);
+}
+
+.hero{
+  margin:0 14px 12px;
+  padding:20px;
+  border-radius:24px;
+  background:
+    radial-gradient(circle at 92% 12%,rgba(255,255,255,.16),transparent 30%),
+    linear-gradient(145deg,#111827,#253247);
+  color:white;
+  box-shadow:0 16px 40px rgba(30,41,59,.14);
+}
+
+.hero-kicker{
+  display:inline-block;
+  font-size:10px;
+  letter-spacing:.14em;
+  font-weight:800;
+  color:#cbd5e1;
+  text-transform:uppercase;
+}
+
+.hero h2{
+  margin:7px 0 8px;
+  max-width:430px;
+  font-size:24px;
+  line-height:1.05;
+  letter-spacing:-.04em;
+}
+
+.hero p{
+  margin:0;
+  color:#d5dce6;
+  line-height:1.5;
+  font-size:14px;
+  max-width:500px;
+}
+
+.hero-stats{
+  display:grid;
+  grid-template-columns:repeat(3,1fr);
+  gap:7px;
+  margin-top:18px;
+}
+
+.hero-stats button{
+  display:grid;
+  gap:2px;
+  text-align:left;
+  border:1px solid rgba(255,255,255,.12);
+  border-radius:13px;
+  padding:10px 11px;
+  color:white;
+  background:rgba(255,255,255,.08);
+}
+
+.hero-stats strong{
+  font-size:17px;
+}
+
+.hero-stats span{
+  font-size:10px;
+  color:#cbd5e1;
+}
+
+.library-controls{
+  padding:4px 14px 8px;
+}
+
+.search-field{
+  display:flex;
+  align-items:center;
+  gap:8px;
+  padding:0 12px;
+  border:1px solid var(--line);
+  border-radius:14px;
+  background:white;
+  box-shadow:0 2px 10px rgba(15,23,42,.025);
+}
+
+.search-field span{
+  color:#8793a4;
+  font-size:18px;
+}
+
+.search-field input{
+  width:100%;
+  border:0;
+  outline:0;
+  padding:12px 0;
+  color:var(--ink);
+  background:transparent;
+}
+
+.filter-row{
+  display:flex;
+  gap:7px;
+  overflow:auto;
+  padding-top:9px;
+  scrollbar-width:none;
+}
+
+.filter-row::-webkit-scrollbar{display:none}
+
+.filter-row button{
+  flex:0 0 auto;
+  border:1px solid var(--line);
+  background:white;
+  color:#64748b;
+  padding:7px 11px;
+  border-radius:999px;
+  font-size:11px;
+  font-weight:800;
+}
+
+.filter-row button.active{
+  background:#111827;
+  color:white;
+  border-color:#111827;
+}
+
+.template-card.refined{
+  grid-template-columns:42px minmax(0,1fr) 18px;
+  align-items:center;
+  gap:12px;
+  padding:13px;
+}
+
+.template-icon{
+  width:42px;
+  height:42px;
+  display:grid;
+  place-items:center;
+  border-radius:12px;
+  background:#eef4ff;
+  color:#315fa8;
+  font-size:18px;
+}
+
+.template-icon.email{
+  background:#ecf8f0;
+  color:#32704a;
+}
+
+.template-card-body{
+  min-width:0;
+  display:grid;
+  gap:4px;
+}
+
+.template-card-topline{
+  display:flex;
+  align-items:center;
+  gap:8px;
+  min-width:0;
+}
+
+.template-card-topline strong{
+  min-width:0;
+  overflow:hidden;
+  white-space:nowrap;
+  text-overflow:ellipsis;
+}
+
+.status-dot{
+  width:7px;
+  height:7px;
+  border-radius:50%;
+  flex:0 0 auto;
+  background:#c5ced9;
+}
+
+.status-dot.published{
+  background:#22a06b;
+  box-shadow:0 0 0 3px rgba(34,160,107,.1);
+}
+
+.template-key{
+  color:#8994a5;
+  font:10px ui-monospace,SFMono-Regular,Menlo,monospace;
+  overflow:hidden;
+  white-space:nowrap;
+  text-overflow:ellipsis;
+}
+
+.chevron{
+  color:#a1aab8;
+  font-size:23px;
+}
+
+.sheet-heading{
+  display:flex;
+  align-items:flex-start;
+  gap:11px;
+  margin-bottom:18px;
+}
+
+.sheet-heading h2{
+  margin:0 0 3px;
+}
+
+.sheet-heading p{
+  margin:0;
+  color:#7a8596;
+  font-size:12px;
+  line-height:1.4;
+}
+
+.sheet-icon{
+  width:34px;
+  height:34px;
+  display:grid;
+  place-items:center;
+  border-radius:10px;
+  background:#111827;
+  color:white;
+  font-weight:800;
+}
+
+.button.large{
+  padding:13px 15px;
+  border-radius:12px;
+}
+
+.template-meta{
+  display:flex;
+  align-items:center;
+  gap:6px;
+  margin-top:2px;
+}
+
+.mini-status{
+  border-radius:999px;
+  padding:2px 6px;
+  font-size:9px;
+  font-weight:800;
+  background:#eef2f7;
+  color:#657386;
+}
+
+.mini-status.published{
+  background:#e7f6ed;
+  color:#18794e;
+}
+
+.editor-context{
+  display:flex;
+  align-items:center;
+  justify-content:space-between;
+  gap:10px;
+  margin-bottom:2px;
+  padding:2px 2px 8px;
+  color:#7b8797;
+  font-size:11px;
+}
+
+.editor-context>div{
+  min-width:0;
+  display:flex;
+  align-items:center;
+  gap:8px;
+}
+
+.editor-context code{
+  min-width:0;
+  overflow:hidden;
+  white-space:nowrap;
+  text-overflow:ellipsis;
+  font-size:9px;
+  color:#8792a2;
+}
+
+.type-pill{
+  flex:0 0 auto;
+  border-radius:999px;
+  background:#eef4ff;
+  color:#315fa8;
+  padding:5px 8px;
+  font-size:10px;
+  font-weight:800;
+}
+
+.type-pill.email{
+  background:#eaf7ef;
+  color:#32704a;
+}
+
+.document-surface{
+  display:grid;
+  gap:9px;
+  border:1px solid #e0e6ed;
+  border-radius:22px;
+  background:rgba(255,255,255,.66);
+  padding:10px;
+  box-shadow:0 10px 30px rgba(15,23,42,.035);
+}
+
+.block-card{
+  grid-template-columns:19px minmax(0,1fr) 24px;
+  align-items:center;
+  gap:9px;
+  padding:14px 12px;
+  min-height:68px;
+  box-shadow:0 3px 10px rgba(15,23,42,.025);
+}
+
+.drag-hint{
+  color:#b4bdc8;
+  letter-spacing:-3px;
+  font-size:14px;
+}
+
+.block-copy{
+  min-width:0;
+  display:grid;
+  gap:4px;
+}
+
+.block-index{
+  position:static;
+  transform:none;
+  text-align:right;
+  font-variant-numeric:tabular-nums;
+}
+
+.section-heading{
+  display:flex;
+  align-items:flex-end;
+  justify-content:space-between;
+  gap:12px;
+  margin:4px 0 14px;
+}
+
+.section-heading h2{
+  margin:3px 0 0;
+  font-size:24px;
+  letter-spacing:-.035em;
+}
+
+.preview-segment{
+  margin-bottom:14px;
+}
+
+.copy{
+  line-height:1.5;
+}
+
+.field-panel{
+  margin-top:18px;
+  padding:14px;
+  background:white;
+  border:1px solid var(--line);
+  border-radius:15px;
+}
+
+.field-panel h3{
+  margin:0 0 10px;
+  font-size:13px;
+}
+
+.use-panel{
+  padding:16px 14px 110px;
+  max-width:760px;
+  margin:auto;
+}
+
+.publish-state{
+  border-radius:999px;
+  padding:6px 9px;
+  background:#f1f3f6;
+  color:#7c8796;
+  font-size:10px;
+  font-weight:800;
+}
+
+.publish-state.ready{
+  background:#e7f6ed;
+  color:#18794e;
+}
+
+.integration-card,
+.auth-card,
+.key-manager{
+  margin-bottom:10px;
+  padding:14px;
+  border:1px solid var(--line);
+  background:white;
+  border-radius:16px;
+  box-shadow:0 3px 12px rgba(15,23,42,.025);
+}
+
+.card-label{
+  display:block;
+  margin-bottom:8px;
+  font-size:10px;
+  letter-spacing:.08em;
+  text-transform:uppercase;
+  color:#8290a2;
+  font-weight:800;
+}
+
+.copy-row{
+  display:flex;
+  align-items:center;
+  gap:8px;
+}
+
+.copy-row code{
+  min-width:0;
+  flex:1;
+  overflow:hidden;
+  text-overflow:ellipsis;
+  white-space:nowrap;
+  color:#263449;
+  font-size:11px;
+}
+
+.copy-row.multiline{
+  align-items:flex-start;
+}
+
+.copy-row.multiline code{
+  white-space:normal;
+  overflow-wrap:anywhere;
+}
+
+.copy-row button{
+  flex:0 0 auto;
+  border:1px solid #dce3ea;
+  border-radius:8px;
+  padding:6px 8px;
+  background:#f7f9fb;
+  color:#42516a;
+  font-size:10px;
+  font-weight:800;
+}
+
+.integration-card pre{
+  margin:12px 0 0;
+  padding:12px;
+  border-radius:11px;
+  overflow:auto;
+  background:#111827;
+  color:#e5edf5;
+  font:10px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace;
+}
+
+.auth-heading,
+.key-manager-heading{
+  display:flex;
+  align-items:flex-start;
+  justify-content:space-between;
+  gap:12px;
+  margin-bottom:12px;
+}
+
+.auth-heading h3,
+.key-manager h3{
+  margin:0 0 3px;
+  font-size:15px;
+}
+
+.auth-heading p,
+.key-manager p{
+  margin:0;
+  color:#7a8596;
+  font-size:11px;
+  line-height:1.4;
+}
+
+.lock{
+  width:30px;
+  height:30px;
+  display:grid;
+  place-items:center;
+  border-radius:9px;
+  background:#edf7f0;
+  color:#18794e;
+  font-weight:900;
+}
+
+.auth-option{
+  display:grid;
+  gap:5px;
+  padding:10px 0;
+  border-top:1px solid #edf1f5;
+}
+
+.auth-option strong{
+  font-size:12px;
+}
+
+.auth-option code{
+  overflow:auto;
+  font-size:10px;
+  color:#44536b;
+}
+
+.auth-option span{
+  color:#8290a2;
+  font-size:10px;
+}
+
+.create-key-row{
+  display:grid;
+  grid-template-columns:minmax(0,1fr) auto;
+  gap:8px;
+  margin-bottom:10px;
+}
+
+.create-key-row input{
+  min-width:0;
+  border:1px solid #d6dde6;
+  border-radius:10px;
+  padding:10px 11px;
+  outline:none;
+}
+
+.secret-reveal{
+  margin:10px 0;
+  padding:12px;
+  border:1px solid #f2d491;
+  border-radius:12px;
+  background:#fffaf0;
+}
+
+.secret-reveal strong{
+  font-size:12px;
+}
+
+.secret-reveal p{
+  margin:3px 0 10px;
+  color:#856404;
+}
+
+.copy-row.secret code{
+  color:#6b4f00;
+}
+
+.key-list{
+  display:grid;
+  gap:8px;
+}
+
+.key-row{
+  display:flex;
+  align-items:center;
+  justify-content:space-between;
+  gap:10px;
+  padding-top:10px;
+  border-top:1px solid #edf1f5;
+}
+
+.key-row>span:first-child{
+  min-width:0;
+  display:grid;
+  gap:3px;
+}
+
+.key-row strong{
+  font-size:12px;
+}
+
+.key-row code{
+  color:#8994a4;
+  font-size:9px;
+}
+
+.key-meta{
+  flex:0 0 auto;
+  display:grid;
+  justify-items:end;
+  gap:3px;
+}
+
+.key-meta small{
+  color:#8994a4;
+  font-size:8px;
+}
+
+.key-meta button{
+  border:0;
+  background:transparent;
+  color:#ad2438;
+  font-size:10px;
+  font-weight:800;
+}
+
+.bottom-nav.four{
+  grid-template-columns:repeat(4,1fr);
+}
+
+@media(min-width:760px){
+  .hero{
+    display:grid;
+    grid-template-columns:minmax(0,1fr) 290px;
+    align-items:end;
+    gap:24px;
+    padding:28px;
+  }
+
+  .hero h2{
+    font-size:32px;
+  }
+
+  .hero-stats{
+    margin-top:0;
+  }
+
+  .library-controls{
+    display:flex;
+    align-items:center;
+    gap:10px;
+  }
+
+  .search-field{
+    flex:1;
+    max-width:420px;
+  }
+
+  .filter-row{
+    padding-top:0;
+  }
+
+  .template-list{
+    grid-template-columns:repeat(2,minmax(0,1fr));
+  }
+
+  .document-surface{
+    padding:14px;
+  }
+}
+
+@media(min-width:1050px){
+  .template-list{
+    grid-template-columns:repeat(3,minmax(0,1fr));
+  }
+}