diff --git a/.changeset/quiet-ios-input-zoom.md b/.changeset/quiet-ios-input-zoom.md
new file mode 100644
index 0000000..90adbfb
--- /dev/null
+++ b/.changeset/quiet-ios-input-zoom.md
@@ -0,0 +1,5 @@
+---
+"@jmfederico/pi-web": patch
+---
+
+Prevent iOS Safari from zooming into small text inputs across the web UI.
diff --git a/src/client/index.html b/src/client/index.html
index 59dfe94..578d7db 100644
--- a/src/client/index.html
+++ b/src/client/index.html
@@ -11,6 +11,9 @@
     <style>
       :root {
         color-scheme: dark;
+        --pi-control-font-size: 16px;
+        --pi-control-font-family: system-ui, sans-serif;
+        --pi-control-monospace-font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
         --pi-bg: #0d1117;
         --pi-surface: #161b22;
         --pi-surface-hover: #21262d;
diff --git a/src/client/src/components/MachineDialog.ts b/src/client/src/components/MachineDialog.ts
index 92786fa..d0cb4a9 100644
--- a/src/client/src/components/MachineDialog.ts
+++ b/src/client/src/components/MachineDialog.ts
@@ -137,7 +137,7 @@ export class MachineDialog extends LitElement {
     footer { border-top: 1px solid var(--pi-border); border-bottom: 0; justify-content: end; }
     .body { display: grid; gap: 8px; padding: 12px; min-height: 0; overflow: auto; }
     label { display: grid; gap: 6px; color: var(--pi-muted); }
-    input { box-sizing: border-box; width: 100%; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-bg); color: var(--pi-text); padding: 9px; font: 14px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
+    input { box-sizing: border-box; width: 100%; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-bg); color: var(--pi-text); padding: 9px; font: var(--pi-control-font-size, 16px) var(--pi-control-monospace-font-family, ui-monospace, SFMono-Regular, Menlo, Consolas, monospace); }
     input:focus-visible { outline: 2px solid var(--pi-accent); outline-offset: 1px; }
     .hint { color: var(--pi-muted); }
     .intro { margin: 4px 0 0; line-height: 1.4; }
diff --git a/src/client/src/components/ProjectDialog.ts b/src/client/src/components/ProjectDialog.ts
index b598844..d5594b2 100644
--- a/src/client/src/components/ProjectDialog.ts
+++ b/src/client/src/components/ProjectDialog.ts
@@ -131,7 +131,7 @@ export class ProjectDialog extends LitElement {
     footer { border-top: 1px solid var(--pi-border); border-bottom: 0; justify-content: end; }
     .body { display: grid; gap: 12px; padding: 12px; min-height: 0; }
     label { display: grid; gap: 6px; color: var(--pi-muted); }
-    input[type="text"], input:not([type]) { box-sizing: border-box; width: 100%; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-bg); color: var(--pi-text); padding: 9px; font: 14px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
+    input[type="text"], input:not([type]) { box-sizing: border-box; width: 100%; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-bg); color: var(--pi-text); padding: 9px; font: var(--pi-control-font-size, 16px) var(--pi-control-monospace-font-family, ui-monospace, SFMono-Regular, Menlo, Consolas, monospace); }
     .check { display: flex; grid-template-columns: auto 1fr; align-items: center; color: var(--pi-text); }
     .suggestions { min-height: 90px; max-height: 320px; overflow: auto; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-surface); }
     .suggestions button { display: block; width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; border: 0; border-bottom: 1px solid var(--pi-border); border-radius: 0; background: transparent; color: var(--pi-text); padding: 8px 10px; text-align: left; font: 13px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
diff --git a/src/client/src/components/SessionCleanupDialog.ts b/src/client/src/components/SessionCleanupDialog.ts
index 74f1a55..fcdf560 100644
--- a/src/client/src/components/SessionCleanupDialog.ts
+++ b/src/client/src/components/SessionCleanupDialog.ts
@@ -233,7 +233,7 @@ export class SessionCleanupDialog extends LitElement {
     fieldset { margin: 0; padding: 0; border: 0; display: grid; gap: 10px; }
     .toggle-row { display: grid; grid-template-columns: auto minmax(0, max-content) 88px auto; align-items: center; gap: 8px; color: var(--pi-text); }
     input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--pi-accent); }
-    input.days { box-sizing: border-box; width: 88px; min-width: 0; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-bg); color: var(--pi-text); padding: 8px 9px; font: inherit; }
+    input.days { box-sizing: border-box; width: 88px; min-width: 0; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-bg); color: var(--pi-text); padding: 8px 9px; font: var(--pi-control-font-size, 16px) var(--pi-control-font-family, system-ui, sans-serif); }
     input.days:disabled { opacity: .55; }
     .warning, .unavailable, .dialog-error, .result { border: 1px solid var(--pi-border); border-radius: 10px; padding: 10px 12px; }
     .warning { border-color: var(--pi-warning-border); background: var(--pi-warning-surface); color: var(--pi-text); }
diff --git a/src/client/src/components/WorkspaceFilesPanel.ts b/src/client/src/components/WorkspaceFilesPanel.ts
index 29f080e..a995328 100644
--- a/src/client/src/components/WorkspaceFilesPanel.ts
+++ b/src/client/src/components/WorkspaceFilesPanel.ts
@@ -364,7 +364,7 @@ export class WorkspaceFilesPanel extends LitElement {
       form { min-height: 0; display: flex; flex-direction: column; gap: 12px; overflow: auto; padding: 16px; }
       form > label { display: grid; gap: 6px; }
       form > label > span, .review-files > strong { font-weight: 600; }
-      input[type="text"], form > label > input:not([type]) { box-sizing: border-box; width: 100%; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-surface); color: var(--pi-text); padding: 8px 9px; font: inherit; }
+      input[type="text"], form > label > input:not([type]) { box-sizing: border-box; width: 100%; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-surface); color: var(--pi-text); padding: 8px 9px; font: var(--pi-control-font-size, 16px) var(--pi-control-font-family, system-ui, sans-serif); }
       input:focus-visible { outline: 2px solid var(--pi-accent); outline-offset: 1px; }
       .dialog-options { display: grid; gap: 8px; }
       .dialog-options label { display: flex; align-items: center; gap: 8px; color: var(--pi-text); }
diff --git a/src/client/src/components/settings/SettingsGeneralPanel.ts b/src/client/src/components/settings/SettingsGeneralPanel.ts
index be2b10d..79e80b1 100644
--- a/src/client/src/components/settings/SettingsGeneralPanel.ts
+++ b/src/client/src/components/settings/SettingsGeneralPanel.ts
@@ -155,9 +155,9 @@ export class SettingsGeneralPanel extends LitElement {
     .config-form { display: grid; gap: 14px; }
     .field { display: grid; gap: 7px; }
     .field-heading { display: flex; align-items: center; gap: 8px; }
-    input, select, textarea { box-sizing: border-box; width: 100%; min-width: 0; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-bg); color: var(--pi-text); padding: 9px 10px; outline: none; }
+    input, select, textarea { box-sizing: border-box; width: 100%; min-width: 0; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-bg); color: var(--pi-text); padding: 9px 10px; outline: none; font: var(--pi-control-font-size, 16px) var(--pi-control-font-family, system-ui, sans-serif); }
     input:focus, select:focus, textarea:focus { border-color: var(--pi-accent); box-shadow: 0 0 0 1px var(--pi-accent-border); }
-    textarea { resize: vertical; min-height: 94px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
+    textarea { resize: vertical; min-height: 94px; font-family: var(--pi-control-monospace-font-family, ui-monospace, SFMono-Regular, Menlo, Consolas, monospace); }
     textarea:disabled { opacity: .55; }
     .override-badge { border: 1px solid var(--pi-warning-border); border-radius: 999px; color: var(--pi-warning); background: var(--pi-warning-surface); padding: 2px 7px; font-size: 11px; font-weight: 600; text-transform: none; }
     .effective-card { display: grid; gap: 10px; }
diff --git a/src/client/src/components/settings/SettingsShortcutsPanel.ts b/src/client/src/components/settings/SettingsShortcutsPanel.ts
index 0f9cda7..f937ede 100644
--- a/src/client/src/components/settings/SettingsShortcutsPanel.ts
+++ b/src/client/src/components/settings/SettingsShortcutsPanel.ts
@@ -384,7 +384,7 @@ export class SettingsShortcutsPanel extends LitElement {
     .shortcut-status small.conflict.shadowed { color: var(--pi-warning); }
     .shortcut-input-label { min-width: 0; display: grid; gap: 5px; }
     .shortcut-input-label span { color: var(--pi-muted); font-size: 11px; font-weight: 700; text-transform: uppercase; }
-    input { box-sizing: border-box; width: 100%; min-width: 0; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-bg); color: var(--pi-text); padding: 8px 9px; outline: none; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
+    input { box-sizing: border-box; width: 100%; min-width: 0; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-bg); color: var(--pi-text); padding: 8px 9px; outline: none; font: var(--pi-control-font-size, 16px) var(--pi-control-monospace-font-family, ui-monospace, SFMono-Regular, Menlo, Consolas, monospace); }
     input:focus { border-color: var(--pi-accent); box-shadow: 0 0 0 1px var(--pi-accent-border); }
     .shortcut-actions { display: flex; justify-content: flex-end; gap: 7px; flex-wrap: wrap; }
     kbd { border: 1px solid var(--pi-border); border-radius: 6px; background: var(--pi-bg); color: var(--pi-text-secondary); padding: 3px 7px; font: 12px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: nowrap; }
diff --git a/src/client/src/components/shared.ts b/src/client/src/components/shared.ts
index df2e812..4422620 100644
--- a/src/client/src/components/shared.ts
+++ b/src/client/src/components/shared.ts
@@ -418,7 +418,7 @@ export const commandPickerStyles = css`
   .options { min-height: 0; overflow: auto; outline: none; }
   button { border: 0; background: transparent; color: var(--pi-text); cursor: pointer; }
   header button { font-size: 20px; color: var(--pi-muted); }
-  input { margin: 10px 12px; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-bg); color: var(--pi-text); font: 14px system-ui, sans-serif; padding: 8px 10px; outline: none; }
+  input { margin: 10px 12px; border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-bg); color: var(--pi-text); font: var(--pi-control-font-size, 16px) var(--pi-control-font-family, system-ui, sans-serif); padding: 8px 10px; outline: none; }
   input:focus { border-color: var(--pi-accent); }
   .options button { display: block; width: 100%; padding: 10px 12px; border-bottom: 1px solid var(--pi-border-muted); text-align: left; }
   .options button.selected, .options button:hover { background: var(--pi-selection-bg); }
@@ -431,7 +431,7 @@ export const actionPaletteStyles = css`
   .backdrop { --palette-top: min(12dvh, 90px); --palette-bottom: max(20px, env(safe-area-inset-bottom)); display: grid; align-items: start; justify-items: center; width: 100%; height: 100dvh; background: var(--pi-overlay); padding: var(--palette-top) 20px var(--palette-bottom); box-sizing: border-box; overflow: hidden; }
   section { width: min(720px, 100%); max-height: min(640px, calc(100dvh - var(--palette-top) - var(--palette-bottom))); display: flex; flex-direction: column; border: 1px solid var(--pi-border); border-radius: 12px; background: var(--pi-bg); box-shadow: 0 20px 60px var(--pi-shadow-strong); overflow: hidden; }
   header { display: grid; grid-template-columns: 1fr auto; gap: 8px; padding: 10px; border-bottom: 1px solid var(--pi-border); }
-  input { min-width: 0; border: 0; outline: none; background: transparent; color: var(--pi-text); font: 16px system-ui, sans-serif; padding: 8px; }
+  input { min-width: 0; border: 0; outline: none; background: transparent; color: var(--pi-text); font: var(--pi-control-font-size, 16px) var(--pi-control-font-family, system-ui, sans-serif); padding: 8px; }
   input::placeholder { color: var(--pi-dim); }
   button { border: 0; background: transparent; color: var(--pi-text); cursor: pointer; }
   header button { color: var(--pi-muted); font-size: 22px; padding: 2px 8px; }
@@ -467,9 +467,9 @@ export const promptEditorStyles = css`
   .select-thinking .prompt-thinking-gauge .gauge-bar-active { opacity: 1; }
   .editor-attach { position: absolute; right: 8px; bottom: 8px; z-index: 2; width: 30px; height: 30px; }
   .editor-attach .prompt-action-icon { width: 16px; height: 16px; }
-  textarea, .markdown-editor .cm-editor { box-sizing: border-box; width: 100%; min-height: 54px; max-height: 220px; resize: none; overflow: hidden; border-radius: 8px; border: 1px solid var(--pi-border); background: var(--pi-bg); color: var(--pi-text); font: 16px/1.4 system-ui, sans-serif; }
+  textarea, .markdown-editor .cm-editor { box-sizing: border-box; width: 100%; min-height: 54px; max-height: 220px; resize: none; overflow: hidden; border-radius: 8px; border: 1px solid var(--pi-border); background: var(--pi-bg); color: var(--pi-text); font: var(--pi-control-font-size, 16px)/1.4 var(--pi-control-font-family, system-ui, sans-serif); }
   textarea { overflow-y: auto; padding: 8px; }
-  .markdown-editor .cm-scroller { max-height: 220px; overflow-y: auto; font-family: system-ui, sans-serif; line-height: 1.4; }
+  .markdown-editor .cm-scroller { max-height: 220px; overflow-y: auto; font-family: var(--pi-control-font-family, system-ui, sans-serif); line-height: 1.4; }
   .markdown-editor .cm-content { min-height: 38px; padding: 8px 44px 8px 8px; caret-color: var(--pi-text); text-align: start; unicode-bidi: plaintext; }
   .markdown-editor .cm-line { padding: 0; unicode-bidi: plaintext; }
   .markdown-editor .cm-placeholder { color: var(--pi-dim); }
@@ -483,7 +483,7 @@ export const promptEditorStyles = css`
   .attachment-file-preview { display: grid; place-items: center; width: 34px; height: 26px; border: 1px solid var(--pi-border-muted); border-radius: 4px; background: var(--pi-surface); color: var(--pi-muted); font: 700 10px/1 system-ui, sans-serif; letter-spacing: .03em; }
   .attachment-file-name { position: absolute; right: 4px; bottom: 3px; left: 4px; overflow: hidden; color: var(--pi-muted); font-size: 10px; line-height: 1.2; text-align: center; text-overflow: ellipsis; white-space: nowrap; }
   .attachment-remove { position: absolute; top: 1px; right: 1px; width: 18px; height: 18px; padding: 0; line-height: 16px; border-radius: 50%; border: 1px solid var(--pi-border); background: var(--pi-surface); color: var(--pi-text); font-size: 13px; cursor: pointer; }
-  .attachment-delivery select { border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-surface); color: var(--pi-text); padding: 5px 7px; font: 12px system-ui, sans-serif; }
+  .attachment-delivery select { border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-surface); color: var(--pi-text); padding: 5px 7px; font: var(--pi-control-font-size, 16px) var(--pi-control-font-family, system-ui, sans-serif); }
   .attachment-error { flex-basis: 100%; color: var(--pi-danger); font-size: 12px; }
   button { border: 1px solid var(--pi-border); border-radius: 8px; background: var(--pi-surface); color: var(--pi-text); padding: 7px 9px; cursor: pointer; }
   button:disabled, textarea:disabled, .markdown-editor-disabled .cm-editor { opacity: .5; cursor: not-allowed; }