diff --git a/frontend/src/style.css b/frontend/src/style.css
index ca086b3..50fbe55 100644
--- a/frontend/src/style.css
+++ b/frontend/src/style.css
@@ -1,244 +1,39 @@
 :root {
-  color-scheme: dark;
+  color-scheme: light;
   font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
-  background: #090909;
-  color: #f5f5f5;
-}
-
-* {
-  box-sizing: border-box;
-}
-
-body {
-  margin: 0;
-  min-height: 100vh;
-  background: #090909;
-}
-
-button,
-textarea {
-  font: inherit;
-}
-
-button {
-  cursor: pointer;
-}
-
-.loading {
-  min-height: 100vh;
-  display: grid;
-  place-items: center;
-  color: #b8b8b8;
-}
-
-.app-shell {
-  min-height: 100vh;
-  display: grid;
-  grid-template-columns: minmax(260px, 340px) 1fr;
-}
-
-.sidebar {
-  min-height: 100vh;
-  border-right: 1px solid #222;
-  background: #0d0d0d;
-  padding: 28px;
-  display: grid;
-  align-content: start;
-  gap: 28px;
-}
-
-.eyebrow {
-  margin: 0 0 10px;
-  color: #8bd8c6;
-  font-size: 12px;
-  letter-spacing: 0;
-  text-transform: uppercase;
-}
-
-h1,
-h2,
-h3,
-p {
-  margin-top: 0;
-}
-
-h1 {
-  margin-bottom: 10px;
-  font-size: clamp(32px, 5vw, 56px);
-  line-height: 0.95;
-  letter-spacing: 0;
-}
-
-h2 {
-  margin-bottom: 0;
-  font-size: 30px;
-  letter-spacing: 0;
-}
-
-h3 {
-  margin-bottom: 12px;
-  color: #d7d7d7;
-  font-size: 14px;
-  letter-spacing: 0;
-}
-
-.agent-meta {
-  margin-bottom: 0;
-  color: #a6a6a6;
-}
-
-.skill-list {
-  display: grid;
-  gap: 10px;
-}
-
-.skill {
-  width: 100%;
-  min-height: 58px;
-  border: 1px solid #252525;
-  border-radius: 8px;
-  background: #121212;
-  color: #f3f3f3;
-  padding: 12px 14px;
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  gap: 16px;
-  text-align: left;
-}
-
-.skill:hover,
-.skill.active {
-  border-color: #5bb7a7;
-  background: #15201d;
-}
-
-.skill span {
-  overflow-wrap: anywhere;
-}
-
-.skill small {
-  color: #9d9d9d;
-}
-
-.session {
-  border: 1px solid #252525;
-  border-radius: 8px;
-  padding: 14px;
-  color: #a6a6a6;
-  display: grid;
-  gap: 4px;
-}
-
-.session strong {
-  color: #f3f3f3;
-  overflow-wrap: anywhere;
-}
-
-.workbench {
-  padding: 28px;
-  display: grid;
-  align-content: start;
-  gap: 22px;
-}
-
-.toolbar {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  gap: 18px;
-}
-
-.toolbar a,
-.runner button {
-  border: 1px solid #e8e8e8;
-  border-radius: 7px;
-  background: #f4f4f4;
-  color: #111;
-  padding: 10px 14px;
-  text-decoration: none;
-  white-space: nowrap;
-}
-
-.runner {
-  display: grid;
-  gap: 12px;
-}
-
-.runner label {
-  display: grid;
-  gap: 10px;
-  color: #d7d7d7;
-}
-
-.runner textarea {
-  width: 100%;
-  min-height: 170px;
-  resize: vertical;
-  border: 1px solid #252525;
-  border-radius: 8px;
-  background: #070707;
-  color: #eeeeee;
-  padding: 14px;
-  line-height: 1.5;
-  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
-}
-
-.runner button {
-  justify-self: start;
-}
-
-.runner button:disabled {
-  cursor: wait;
-  opacity: 0.72;
-}
-
-.panels {
-  display: grid;
-  grid-template-columns: repeat(2, minmax(0, 1fr));
-  gap: 16px;
-}
-
-.panel {
-  min-width: 0;
-  border: 1px solid #252525;
-  border-radius: 8px;
-  padding: 16px;
-  background: #0d0d0d;
-}
-
-pre {
-  min-height: 260px;
-  max-height: 420px;
-  margin: 0;
-  overflow: auto;
-  color: #dcdcdc;
-  line-height: 1.5;
-  font-size: 13px;
-  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
-}
-
-.empty {
-  color: #aaa;
-}
-
-@media (max-width: 820px) {
-  .app-shell {
-    grid-template-columns: 1fr;
-  }
-
-  .sidebar {
-    min-height: auto;
-    border-right: 0;
-    border-bottom: 1px solid #222;
-  }
-
-  .panels {
-    grid-template-columns: 1fr;
-  }
-
-  .toolbar {
-    align-items: flex-start;
-    flex-direction: column;
-  }
+  background: #f6f2ea;
+  color: #17211c;
 }
+* { box-sizing: border-box; }
+body { margin: 0; min-height: 100vh; background: linear-gradient(135deg, #f6f2ea 0%, #eaf3ee 100%); }
+button, textarea, input, select { font: inherit; }
+button { cursor: pointer; }
+.loading { min-height: 100vh; display: grid; place-items: center; color: #53645b; }
+.product-shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 32px 0 48px; display: grid; gap: 20px; }
+.hero-card, .generator-card, .result-card { border: 1px solid #d7ded7; border-radius: 24px; background: rgba(255,255,255,0.88); box-shadow: 0 18px 60px rgba(31, 54, 42, 0.10); }
+.hero-card { padding: clamp(24px, 5vw, 48px); }
+.eyebrow { margin: 0 0 10px; color: #21745b; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
+h1, h2, p { margin-top: 0; }
+h1 { max-width: 850px; margin-bottom: 16px; font-size: clamp(36px, 7vw, 76px); line-height: .92; letter-spacing: -0.06em; }
+h2 { margin-bottom: 6px; font-size: clamp(24px, 4vw, 38px); letter-spacing: -0.03em; }
+.hero-copy { max-width: 760px; color: #4a5a51; font-size: 18px; line-height: 1.6; }
+.trial-note, .warning { border: 1px solid #cfd9d1; border-radius: 14px; background: #f7fbf8; padding: 14px 16px; color: #40524a; }
+.signin { display: inline-block; margin-top: 16px; border-radius: 999px; background: #173f32; color: white; padding: 12px 18px; text-decoration: none; font-weight: 800; }
+.generator-card, .result-card { padding: clamp(20px, 4vw, 34px); display: grid; gap: 18px; }
+.grid { display: grid; gap: 14px; }
+.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
+.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
+label { display: grid; gap: 8px; color: #34483e; font-weight: 750; }
+input, select, textarea { width: 100%; border: 1px solid #cad5ce; border-radius: 14px; background: #fff; color: #17211c; padding: 12px 13px; outline: none; }
+input:focus, select:focus, textarea:focus { border-color: #21745b; box-shadow: 0 0 0 3px rgba(33,116,91,.14); }
+textarea { min-height: 155px; resize: vertical; line-height: 1.5; }
+.upload-box { border: 1px dashed #aab9b0; border-radius: 16px; padding: 14px; background: #fbfdfb; }
+.check-row { display: flex; align-items: center; gap: 10px; }
+.check-row input { width: auto; }
+[data-testid="agent-submit"], [data-testid="agent-download"] { justify-self: start; border: 0; border-radius: 999px; background: #173f32; color: white; padding: 13px 20px; font-weight: 850; box-shadow: 0 10px 24px rgba(23,63,50,.18); }
+[data-testid="agent-submit"]:disabled { opacity: .55; cursor: not-allowed; }
+.error { border: 1px solid #f0b5a8; border-radius: 14px; background: #fff4f1; color: #8f2e1d; padding: 13px 15px; }
+.result-header { display: flex; gap: 20px; justify-content: space-between; align-items: start; }
+.result-header p { margin-bottom: 0; color: #617168; }
+.preview { margin: 0; max-height: 620px; overflow: auto; white-space: pre-wrap; border: 1px solid #d9e1dc; border-radius: 18px; background: #0d1713; color: #ecfff6; padding: 22px; line-height: 1.55; font-size: 14px; }
+@media (max-width: 880px) { .grid.two, .grid.four { grid-template-columns: 1fr; } .result-header { flex-direction: column; } h1 { letter-spacing: -0.04em; } }