diff --git a/apps/web/src/features/first-run/FirstRunHome.css b/apps/web/src/features/first-run/FirstRunHome.css
index 71a69fa95..cd204d6e7 100644
--- a/apps/web/src/features/first-run/FirstRunHome.css
+++ b/apps/web/src/features/first-run/FirstRunHome.css
@@ -1,29 +1,29 @@
-.first-run-home { display: flex; flex-direction: column; width: 100%; height: 100dvh; min-height: 0; overflow: hidden; color: var(--fg); background: radial-gradient(ellipse at 78% 20%, color-mix(in srgb, var(--accent) 4%, transparent), transparent 62%), var(--surface); animation: first-run-screen 560ms var(--ease-settle) both; }
-.first-run-toolbar { position: relative; z-index: 10; display: flex; flex: 0 0 auto; justify-content: space-between; align-items: center; gap: 24px; padding: 20px 36px; }
+.first-run-home { display: flex; flex-direction: column; width: 100%; height: 100dvh; min-height: 0; overflow: hidden; color: var(--fg); background: var(--surface); }
+.first-run-toolbar { position: relative; z-index: 10; display: flex; flex: 0 0 auto; justify-content: space-between; align-items: center; gap: 16px; min-height: 56px; padding: 12px 24px; border-bottom: 1px solid var(--line); }
 .first-run-toolbar .appearance-menu-panel { position: absolute; top: calc(100% + 8px); bottom: auto; left: 0; right: auto; }
 .first-run-toolbar-preferences { display: flex; align-items: center; gap: 16px; }
-.first-run-chapters, .first-run-stage-content, .first-run-footer { width: 100%; max-width: 1280px; margin-inline: auto; }
+.first-run-chapters, .first-run-stage-content, .first-run-footer { width: 100%; max-width: 1080px; min-width: 0; margin-inline: auto; }
 .first-run-skip, .first-run-text-button { display: inline-flex; align-items: center; gap: 8px; background: transparent; border: 0; padding: 7px 0; color: var(--fg-muted); font-size: 12px; white-space: nowrap; transition: color 160ms ease; }
 .first-run-skip:hover, .first-run-text-button:hover { color: var(--fg); }
-.first-run-chapters { display: flex; flex: 0 0 auto; gap: 4px; padding: 0 36px 18px; }
-.first-run-chapters button { position: relative; flex: 1; display: flex; align-items: center; gap: 10px; padding: 15px 18px; border: 1px solid transparent; border-radius: 9px; background: transparent; text-align: left; color: var(--fg-muted); font-size: 12px; transition: color 220ms ease, background 220ms ease, border-color 220ms ease; }
+.first-run-chapters { display: flex; flex: 0 0 auto; gap: 8px; padding: 24px 24px 0; }
+.first-run-chapters button { position: relative; flex: 1; min-width: 0; display: flex; align-items: center; gap: 10px; padding: 12px 14px; border: 1px solid transparent; border-radius: 9px; background: transparent; text-align: left; color: var(--fg-muted); font-size: 12px; transition: color 220ms ease, background 220ms ease, border-color 220ms ease; }
 .first-run-chapters button:hover { background: var(--hover); }
 .first-run-chapters button.active { color: var(--fg); background: var(--surface-subtle); border-color: var(--line); }
 .first-run-chapters button.active::after { content: ""; position: absolute; width: 20px; height: 2px; left: 18px; bottom: -1px; background: var(--accent); animation: first-run-indicator 400ms var(--ease-spring); }
 .first-run-chapter-number { font-size: 10px; font-variant-numeric: tabular-nums; color: var(--fg-muted); }
 .first-run-chapters small { margin-left: auto; font-size: 10px; color: var(--fg-muted); }
-.first-run-stage { flex: 1; min-height: 0; overflow: auto; padding: 12px 36px 24px; }
-.first-run-stage-content { min-height: 100%; display: flex; flex-direction: column; justify-content: center; animation: first-run-enter 540ms cubic-bezier(.16, 1, .3, 1) both; }
-.first-run-access { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); min-height: min(620px, 70vh); gap: clamp(40px, 6vw, 96px); align-items: center; }
-.first-run-story { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 32px 0 32px 24px; }
+.first-run-stage { flex: 1; min-height: 0; overflow: auto; padding: 24px; }
+.first-run-stage-content { display: flex; flex-direction: column; gap: 24px; }
+.first-run-access { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 32px; align-items: start; }
+.first-run-story { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; min-width: 0; padding: 20px 0; }
 .first-run-section-number { display: inline-block; margin-bottom: 14px; color: var(--fg-muted); font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; }
-.first-run-story h2, .first-run-step-heading h2 { margin: 0 0 12px; font-size: clamp(28px, 3vw, 44px); font-weight: 550; line-height: 1.25; letter-spacing: -.035em; }
-.first-run-story p { max-width: 300px; margin: 0 0 28px; color: var(--fg-muted); font-size: 13px; line-height: 1.7; }
+.first-run-story h2, .first-run-step-heading h2 { margin: 0 0 12px; font-size: 24px; font-weight: 550; line-height: 1.25; letter-spacing: -.035em; }
+.first-run-story p { max-width: 380px; margin: 0 0 20px; color: var(--fg-muted); font-size: 13px; line-height: 1.7; }
 .first-run-home .button { display: inline-flex; align-items: center; justify-content: center; gap: 7px; }
-.first-run-access-scene { display: flex; flex-direction: column; align-items: stretch; justify-content: center; padding: 32px; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow-floating); background: radial-gradient(ellipse at 50% 32%, color-mix(in srgb, var(--accent) 5%, transparent), transparent 68%), var(--surface-subtle); }
+.first-run-access-scene { display: flex; flex-direction: column; align-items: stretch; justify-content: center; min-width: 0; padding: 20px; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow-control); background: var(--surface); }
 .first-run-access-brand { display: flex; align-items: center; gap: 17px; margin-bottom: 18px; }
-.first-run-access-brand .first-run-core-symbol { width: 50px; height: 50px; margin: 0; border-radius: 16px; flex-shrink: 0; }
-.first-run-access-brand .first-run-core-symbol::before { inset: -7px; }
+.first-run-access-brand .first-run-core-symbol { width: 32px; height: 32px; margin: 0; border-radius: 8px; flex-shrink: 0; }
+.first-run-access-brand .first-run-core-symbol::before { display: none; }
 .first-run-access-brand h3 { margin: 0; }
 .first-run-copy-access { align-self: flex-start; margin-bottom: 24px; }
 .first-run-access-scene .api-key-panel { padding-top: 22px; border-top: 1px solid var(--line); }
@@ -36,10 +36,10 @@
 .first-run-access-details > div + div { border-top: 1px solid var(--line); }
 .first-run-access-details dt { margin-bottom: 5px; color: var(--fg-muted); font-size: 10px; }
 .first-run-access-details dd { margin: 0; font-size: 12px; overflow-wrap: anywhere; user-select: all; }
-.first-run-step-heading { display: flex; align-items: flex-start; justify-content: space-between; padding: 30px 32px 24px; gap: 20px; }
+.first-run-step-heading { display: flex; align-items: flex-start; justify-content: space-between; padding: 0; gap: 20px; }
 .first-run-step-heading p { margin: 0; max-width: 760px; color: var(--fg-muted); font-size: 13px; line-height: 1.7; }
 .first-run-optional { margin-top: 29px; border: 1px solid var(--line); border-radius: 99px; padding: 3px 9px; font-size: 10px; color: var(--fg-muted); }
-.first-run-machine { min-width: 0; padding: 0 26px; }
+.first-run-machine { min-width: 0; }
 .first-run-machine .sandbox-manager { height: auto; overflow: visible; padding: 0; }
 .first-run-machine .sandbox-content { max-width: none; padding: 0; }
 .first-run-machine .sandbox-heading h2 { margin: 0; font-size: 13px; font-weight: 500; }
@@ -50,10 +50,10 @@
 .first-run-machine .sandbox-enrollment { padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-subtle); }
 .first-run-machine .sandbox-selected-node .sandbox-node-card { display: block; }
 .first-run-machine .sandbox-selected-node .sandbox-node-details { border-left: 0; }
-.first-run-machine-footer { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 24px 32px 28px; }
+.first-run-machine-footer { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 0; }
 .first-run-machine-footer > span { color: var(--fg-muted); font-size: 12px; }
-.first-run-footer { display: flex; align-items: center; justify-content: space-between; flex: 0 0 auto; padding: 16px 60px 24px; }
-.first-request-workspace { padding: 0 28px 28px; }
+.first-run-footer { display: flex; align-items: center; justify-content: space-between; flex: 0 0 auto; padding: 12px 24px; border-top: 1px solid var(--line); }
+.first-request-workspace { min-width: 0; }
 .first-request { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 26px; align-items: start; }
 .first-request-form { min-width: 0; padding: 3px 0; }
 .first-request-form > header h3 { font-size: 14px; font-weight: 550; margin: 0 0 6px; }
@@ -113,7 +113,7 @@
   .first-run-chapters small { display: none; }
   .first-request { grid-template-columns: minmax(0, 1fr); }
   .first-request-code pre { max-height: 390px; }
-  .first-run-story, .first-run-access-scene { padding: 28px; }
+  .first-run-access { gap: 24px; }
 }
 @keyframes first-run-screen { from { opacity: 0; transform: scale(1.02); } to { opacity: 1; transform: scale(1); } }
 @media (prefers-reduced-motion: reduce) {
@@ -121,3 +121,24 @@
   .first-run-stage-content, .first-run-core-symbol, .first-run-chapters button.active::after, .first-run-machine .sandbox-topology-node, .first-agent-card, .first-request-result.has-agent { animation: none; }
   .first-run-home *, .first-run-home *::after { transition: none; scroll-behavior: auto; }
 }
+
+@media (max-width: 760px) {
+  .first-run-access { grid-template-columns: minmax(0, 1fr); gap: 20px; }
+  .first-run-story { padding: 0; }
+  .first-run-story h2, .first-run-step-heading h2 { font-size: 22px; }
+  .first-run-chapters { gap: 4px; padding: 16px 16px 0; }
+  .first-run-chapters button { flex-direction: column; align-items: flex-start; gap: 4px; padding: 10px; font-size: 11px; line-height: 16px; }
+  .first-run-chapters button > svg { display: none; }
+  .first-run-chapters button.active::after { left: 10px; }
+  .first-run-toolbar, .first-run-stage, .first-run-footer { padding: 12px 16px; }
+  .first-run-toolbar { flex-wrap: wrap; gap: 8px; }
+  .first-run-toolbar-preferences { gap: 8px; }
+  .first-run-toolbar .appearance-menu-trigger { width: auto; min-width: 72px; padding-inline: 7px; }
+  .first-run-toolbar .appearance-menu-trigger > span { display: inline; }
+  .first-run-toolbar .appearance-menu-panel { position: absolute; top: calc(100% + 8px); bottom: auto; left: 0; }
+  .first-run-step-heading { gap: 12px; }
+  .first-run-optional { margin-top: 0; }
+  .first-run-machine-footer, .first-request-local-action, .first-request-actions, .first-agent-card { flex-wrap: wrap; }
+  .first-request-form-row { grid-template-columns: minmax(0, 1fr); }
+  .first-agent-card > code { max-width: 100%; margin-left: 0; }
+}
diff --git a/apps/web/src/features/first-run/console-access.css b/apps/web/src/features/first-run/console-access.css
index 011db9f7d..8ca9fa735 100644
--- a/apps/web/src/features/first-run/console-access.css
+++ b/apps/web/src/features/first-run/console-access.css
@@ -1,12 +1,13 @@
+.app-main.console-access-main { overflow-y: auto; }
 .console-access-main > header { display: flex; justify-content: flex-end; align-items: center; gap: 18px; padding: 24px 36px; }
 .console-language { border: 0; color: var(--fg-muted); background: transparent; font: inherit; font-size: 12px; padding: 6px 8px; border-radius: 6px; }
-.console-access-stage { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 100px); max-width: 1080px; margin: auto; padding: clamp(28px, 6vh, 80px) 48px; align-items: center; min-height: 70vh; }
+.console-access-stage { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; width: 100%; max-width: 960px; margin: auto; padding: clamp(28px, 6vh, 80px) 48px; align-items: center; min-height: 70vh; }
 .console-access-story { animation: console-arrive 650ms var(--ease-settle) both; }
-.console-access-story h1 { font-size: clamp(32px, 3.2vw, 48px); letter-spacing: -.045em; font-weight: 530; line-height: 1.13; max-width: 410px; margin: 22px 0; }
+.console-access-story h1 { font-size: 30px; letter-spacing: -.045em; font-weight: 530; line-height: 1.13; max-width: 410px; margin: 22px 0; }
 .console-access-story p { color: var(--fg-muted); font-size: 15px; line-height: 1.8; max-width: 340px; }
-.console-cloud-symbol { position: relative; display: grid; place-items: center; width: 86px; height: 86px; border: 1px solid var(--line); border-radius: 24px; margin-bottom: 44px; background: var(--surface-subtle); box-shadow: var(--shadow-floating); color: var(--fg); }
-.console-cloud-symbol::after { content: ""; position: absolute; inset: -12px; border: 1px solid var(--line-muted); border-radius: 34px; }
-.console-auth-form { max-width: 390px; width: 100%; gap: 20px; animation: console-arrive 600ms 90ms var(--ease-settle) both; }
+.console-cloud-symbol { position: relative; display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 24px; background: var(--surface-subtle); box-shadow: var(--shadow-control); color: var(--fg); }
+
+.console-auth-form { min-width: 0; padding: 24px; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow-control); max-width: 390px; width: 100%; gap: 20px; animation: console-arrive 600ms 90ms var(--ease-settle) both; }
 .console-auth-form h2 { font-size: 22px; letter-spacing: -.025em; font-weight: 550; margin: 0 0 10px; }
 .console-auth-form p { font-size: 13px; color: var(--fg-muted); line-height: 1.6; margin: 0; }
 .console-auth-form .field { gap: 7px; }
@@ -19,5 +20,15 @@
 .console-account-menu small { color: var(--danger); }
 .console-account-menu > button:hover { color: var(--fg); }
 @keyframes console-arrive { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
-@media (max-width: 980px) { .console-access-stage { gap: 32px; padding: 28px; } .console-access-story h1 { font-size: 32px; } }
+@media (max-width: 980px) { .console-access-stage { gap: 32px; padding: 28px; } .console-access-story h1 { font-size: 28px; } }
 @media (prefers-reduced-motion: reduce) { .console-access-story, .console-auth-form { animation: none; } }
+
+@media (max-width: 640px) {
+  .console-access-main > header { padding: 16px; }
+  .console-access-stage { grid-template-columns: minmax(0, 1fr); min-height: 0; gap: 24px; padding: 16px 20px 32px; }
+  .console-access-story h1 { margin: 16px 0; font-size: 24px; }
+  .console-access-story p { font-size: 13px; }
+  .console-cloud-symbol { margin-bottom: 16px; }
+  .console-auth-form { max-width: none; padding: 20px; }
+  .console-auth-form h2 { font-size: 20px; }
+}
diff --git a/apps/web/src/style.css b/apps/web/src/style.css
index f4b9e3fbd..8ce59f3fb 100644
--- a/apps/web/src/style.css
+++ b/apps/web/src/style.css
@@ -366,6 +366,20 @@ html[data-theme="dark"] .brand-mark-dark {
   text-transform: capitalize;
 }
 
+.sidebar-footer > .core-switcher {
+  grid-column: 1 / -1;
+}
+
+.sidebar-footer > .console-account-menu {
+  grid-column: 2;
+  grid-row: 2;
+}
+
+.sidebar-footer > .sidebar-preferences {
+  grid-column: 1;
+  grid-row: 2;
+}
+
 .sidebar-preferences {
   display: flex;
   align-items: center;
@@ -4500,6 +4514,28 @@ button.trace-step-row:hover {
     gap: 6px;
   }
 
+  .sidebar-footer > .console-account-menu,
+  .sidebar-footer > .sidebar-preferences {
+    grid-column: 1;
+    grid-row: auto;
+  }
+
+  .sidebar-footer .console-account-menu > button {
+    justify-content: center;
+    width: 32px;
+    height: 32px;
+    padding: 0;
+  }
+
+  .sidebar-footer .console-account-menu > button > span {
+    position: absolute;
+    width: 1px;
+    height: 1px;
+    overflow: hidden;
+    clip-path: inset(50%);
+    white-space: nowrap;
+  }
+
   .core-switcher {
     display: flex;
     justify-content: center;
@@ -4510,12 +4546,13 @@ button.trace-step-row:hover {
   }
 
   .sidebar-preferences {
+    max-width: 100%;
     flex-direction: column;
   }
 
   .appearance-menu-trigger {
-    width: 40px;
-    min-width: 40px;
+    width: 38px;
+    min-width: 38px;
     padding: 0;
   }