diff --git a/CHANGELOG.md b/CHANGELOG.md
index 15791b6..ef55e4a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,8 @@ the configuration; each release says how to upgrade.
   pill switches, and the Feed and Audit filters as chips.
 - Portal: forms (users, login, profile, settings, Node configuration, the Node dialogs) use the
   same fields, and every action button is rounded to match.
+- Portal: the tracker editors, Publish, Add Torrent and Explore follow too — every form control in
+  the Portal now uses the same fields.
 
 ### Fixed
 - Portal: the language selector no longer spills out of the sidebar; it sits on its own row
diff --git a/portal/src/components/Layout.tsx b/portal/src/components/Layout.tsx
index 75bb73c..5761cf4 100644
--- a/portal/src/components/Layout.tsx
+++ b/portal/src/components/Layout.tsx
@@ -71,26 +71,14 @@ export function Layout({
   const langSelect = (
     <label className="flex items-center justify-between gap-2 px-1">
       <span className="shrink-0 text-xs uppercase tracking-wide text-slate-500">{t("lang.label")}</span>
-      <span className="relative min-w-0">
-        <select
-          value={lang}
-          onChange={(e) => setLang(e.target.value as Lang)}
-          className="w-full min-w-0 cursor-pointer appearance-none truncate rounded-full border border-slate-700 bg-slate-950 py-1 pl-3 pr-7 text-xs text-slate-300 outline-none transition-colors hover:text-slate-200 focus-visible:ring-2 focus-visible:ring-emerald-500/70 focus-visible:ring-offset-2 focus-visible:ring-offset-slate-900"
-        >
-          <option value="pt-BR">Português</option>
-          <option value="en">English</option>
-        </select>
-        <svg
-          aria-hidden="true"
-          fill="none"
-          width="10"
-          height="10"
-          viewBox="0 0 10 10"
-          className="pointer-events-none absolute right-2.5 top-1/2 -translate-y-1/2 text-slate-500"
-        >
-          <path d="M2 3.5 5 6.5 8 3.5" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" strokeLinejoin="round" />
-        </svg>
-      </span>
+      <select
+        value={lang}
+        onChange={(e) => setLang(e.target.value as Lang)}
+        className="sg-field-sm sg-select min-w-0"
+      >
+        <option value="pt-BR">Português</option>
+        <option value="en">English</option>
+      </select>
     </label>
   );
 
diff --git a/portal/src/components/TrackerDescriptionEditor.tsx b/portal/src/components/TrackerDescriptionEditor.tsx
index af3e850..06edba3 100644
--- a/portal/src/components/TrackerDescriptionEditor.tsx
+++ b/portal/src/components/TrackerDescriptionEditor.tsx
@@ -33,7 +33,7 @@ const LANGUAGE_NAME_KEY = {
 } as const;
 
 const btnCls =
-  "rounded-lg border border-slate-700 bg-slate-900 px-3 py-1.5 text-xs font-medium text-slate-200 transition hover:border-sky-600 hover:text-sky-200 disabled:opacity-40";
+  "rounded-full border border-slate-700 bg-slate-900 px-3 py-1.5 text-xs font-medium text-slate-200 transition hover:border-sky-600 hover:text-sky-200 disabled:opacity-40";
 const stepCls =
   "rounded px-1.5 py-0.5 text-xs text-slate-400 transition hover:bg-slate-800 hover:text-sky-300 disabled:opacity-30 disabled:hover:bg-transparent disabled:hover:text-slate-400";
 
@@ -149,7 +149,7 @@ export function TrackerDescriptionEditor({
               value={draft.tag}
               onChange={(e) => setDraft((d) => ({ ...d, tag: e.target.value }))}
               aria-label={t("trackers.trackerDescriptionEditor.mediaInfoTagAria")}
-              className="rounded-lg border border-slate-700 bg-slate-950 px-2 py-1 text-xs text-white outline-none focus:border-emerald-500"
+              className="sg-field-sm sg-select"
             >
               {MEDIAINFO_TAGS.map((tag) => (
                 <option key={tag} value={tag}>
@@ -164,7 +164,7 @@ export function TrackerDescriptionEditor({
               value={draft.lang}
               onChange={(e) => setDraft((d) => ({ ...d, lang: e.target.value }))}
               aria-label={t("trackers.trackerDescriptionEditor.languageLabel")}
-              className="rounded-lg border border-slate-700 bg-slate-950 px-2 py-1 text-xs text-white outline-none focus:border-emerald-500"
+              className="sg-field-sm sg-select"
             >
               {CONTENT_LANGUAGES.map((lang) => (
                 <option key={lang} value={lang}>
@@ -245,7 +245,7 @@ function BlockList({
               checked={b.on}
               onChange={() => onToggle(i)}
               aria-label={t("trackers.trackerDescriptionEditor.includeBlockAria", { label: blockLabel(t, b.id), kind: t(KIND_TITLE_KEY[kind]) })}
-              className="accent-emerald-500"
+              className="sg-check"
             />
             <span className={`w-24 shrink-0 ${b.on ? "text-slate-200" : "text-slate-500 line-through"}`}>{blockLabel(t, b.id)}</span>
             <span className="min-w-0 flex-1 truncate text-slate-500" title={blockHint(t, b.id)}>
diff --git a/portal/src/components/TrackerImageHostEditor.tsx b/portal/src/components/TrackerImageHostEditor.tsx
index 90777e1..f9c20a9 100644
--- a/portal/src/components/TrackerImageHostEditor.tsx
+++ b/portal/src/components/TrackerImageHostEditor.tsx
@@ -27,9 +27,9 @@ const EXAMPLE = {
 // only those who can write (trackers:write) see the edit controls.
 
 const btnCls =
-  "rounded-lg border border-slate-700 bg-slate-900 px-3 py-1.5 text-xs font-medium text-slate-200 transition hover:border-sky-600 hover:text-sky-200 disabled:opacity-40";
-const inputCls =
-  "w-full rounded-lg border border-slate-700 bg-slate-950 px-2 py-1 text-sm text-white outline-none focus:border-emerald-500";
+  "rounded-full border border-slate-700 bg-slate-900 px-3 py-1.5 text-xs font-medium text-slate-200 transition hover:border-sky-600 hover:text-sky-200 disabled:opacity-40";
+// Form-control base classes (#22).
+const inputCls = "sg-field w-full";
 
 export function TrackerImageHostEditor({
   tracker,
diff --git a/portal/src/components/TrackerProfileEditor.tsx b/portal/src/components/TrackerProfileEditor.tsx
index fe4d418..5c3044c 100644
--- a/portal/src/components/TrackerProfileEditor.tsx
+++ b/portal/src/components/TrackerProfileEditor.tsx
@@ -109,8 +109,8 @@ const ORIGIN_BADGE: Record<TermOrigin, OriginBadgeDef> = {
   },
 };
 
-const inputCls =
-  "w-full rounded-lg border border-slate-700 bg-slate-950 px-2 py-1 text-sm text-white outline-none focus:border-emerald-500";
+// Form-control base classes (#22).
+const inputCls = "sg-field w-full";
 
 export function TrackerProfileEditor({
   tracker,
@@ -303,7 +303,7 @@ export function TrackerProfileEditor({
                     onChange={(e) => patchRow(axis, r.key, { kind: e.target.value as DraftTerm["kind"] })}
                     aria-label={t("trackers.trackerProfileEditor.rows.kindAria")}
                     title={t("trackers.trackerProfileEditor.rows.kindTitle")}
-                    className={`${inputCls} w-24 shrink-0 text-xs`}
+                    className={`${inputCls} sg-select w-24 shrink-0 text-xs`}
                   >
                     <option value="">—</option>
                     {(Object.keys(KIND_LABEL_KEY) as TermKind[]).map((k) => (
@@ -515,7 +515,7 @@ function Proposal({
                     disabled={!ok}
                     onChange={() => onToggle(key)}
                     aria-label={t("trackers.trackerProfileEditor.proposal.applyAria", { label: t(labelKey), id: it.id })}
-                    className="accent-sky-500"
+                    className="sg-check"
                   />
                   <span className="w-12 shrink-0 font-mono text-slate-400">{it.id}</span>
                   <input
diff --git a/portal/src/components/TrackerProfileExchange.tsx b/portal/src/components/TrackerProfileExchange.tsx
index 667fe36..6d7e227 100644
--- a/portal/src/components/TrackerProfileExchange.tsx
+++ b/portal/src/components/TrackerProfileExchange.tsx
@@ -39,7 +39,7 @@ import { useT, rich } from "../i18n";
 //     overwritten without them asking, and asking is term by term.
 
 const btnCls =
-  "rounded-lg border border-slate-700 bg-slate-900 px-3 py-1.5 text-xs font-medium text-slate-200 transition hover:border-sky-600 hover:text-sky-200 disabled:opacity-40";
+  "rounded-full border border-slate-700 bg-slate-900 px-3 py-1.5 text-xs font-medium text-slate-200 transition hover:border-sky-600 hover:text-sky-200 disabled:opacity-40";
 
 export function TrackerProfileExchange({
   tracker,
@@ -180,7 +180,7 @@ export function TrackerProfileExchange({
               accept=".json,application/json"
               onChange={onPick}
               aria-label={t("trackers.trackerProfileExchange.fileAria")}
-              className="hidden"
+              className="sg-field hidden"
             />
           </>
         )}
@@ -303,7 +303,7 @@ export function ImportPreviewView({
                             checked={overwrite.has(key)}
                             onChange={() => onToggle(key)}
                             aria-label={t("trackers.trackerProfileExchange.useFileItemAria", { label: t(labelKey), id: it.id })}
-                            className="accent-emerald-500"
+                            className="sg-check"
                           />
                           <span className="text-slate-400">{t("trackers.trackerProfileExchange.useFromFile")}</span>
                         </label>
@@ -389,7 +389,7 @@ function DescriptionImportRow({ item, asked, onToggle }: { item: ImportDescripti
               checked={asked}
               onChange={onToggle}
               aria-label={t("trackers.trackerProfileExchange.descUseFileAria")}
-              className="accent-emerald-500"
+              className="sg-check"
             />
             <span className="text-slate-400">{t("trackers.trackerProfileExchange.useFromFile")}</span>
           </label>
@@ -451,7 +451,7 @@ function ImageHostImportRow({ item, asked, onToggle }: { item: ImportImageHost;
               checked={asked}
               onChange={onToggle}
               aria-label={t("trackers.trackerProfileExchange.imageHostUseFileAria")}
-              className="accent-emerald-500"
+              className="sg-check"
             />
             <span className="text-slate-400">{t("trackers.trackerProfileExchange.useFromFile")}</span>
           </label>
diff --git a/portal/src/components/TrackersPanel.tsx b/portal/src/components/TrackersPanel.tsx
index a4d5d5f..85d37af 100644
--- a/portal/src/components/TrackersPanel.tsx
+++ b/portal/src/components/TrackersPanel.tsx
@@ -117,8 +117,8 @@ export function TrackersPanel({ can, onLogout }: { can: (perm: string) => boolea
     }
   }
 
-  const inputCls =
-    "w-full rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 text-sm text-white outline-none focus:border-emerald-500";
+  // Form-control base classes (#22).
+  const inputCls = "sg-field w-full";
 
   return (
     <div className="max-w-2xl space-y-4 rounded-2xl border border-slate-800 bg-slate-900/60 p-6">
@@ -281,7 +281,7 @@ export function TrackersPanel({ can, onLogout }: { can: (perm: string) => boolea
               type="checkbox"
               checked={form.isDefault}
               onChange={(e) => set("isDefault")(e.target.checked)}
-              className="accent-emerald-500"
+              className="sg-check"
             />
             {t("trackers.trackersPanel.form.setDefault")}
           </label>
diff --git a/portal/src/pages/AddTorrent.tsx b/portal/src/pages/AddTorrent.tsx
index bdaa7b1..21c9f0a 100644
--- a/portal/src/pages/AddTorrent.tsx
+++ b/portal/src/pages/AddTorrent.tsx
@@ -237,7 +237,7 @@ function AddExisting({ onLogout }: { onLogout: () => void }) {
             type="file"
             accept=".torrent"
             multiple
-            className="hidden"
+            className="sg-field hidden"
             onChange={(e) => {
               addFiles(Array.from(e.target.files ?? []));
               e.target.value = ""; // allows re-selecting the same file
@@ -275,7 +275,7 @@ function AddExisting({ onLogout }: { onLogout: () => void }) {
             onChange={(e) => setMagnet(e.target.value)}
             placeholder={"magnet:?xt=urn:btih:…\nmagnet:?xt=urn:btih:…"}
             rows={3}
-            className="w-full resize-y rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 font-mono text-xs text-white outline-none focus:border-emerald-500"
+            className="sg-textarea text-xs w-full resize-y font-mono"
           />
         </div>
 
@@ -569,7 +569,7 @@ function PublishContent({ onLogout }: { onLogout: () => void }) {
             ref={inputRef}
             type="file"
             multiple
-            className="hidden"
+            className="sg-field hidden"
             onChange={(e) => {
               addFiles(Array.from(e.target.files ?? []));
               e.target.value = "";
@@ -603,7 +603,7 @@ function PublishContent({ onLogout }: { onLogout: () => void }) {
             value={name}
             onChange={(e) => setName(e.target.value)}
             placeholder={t("torrents.addTorrent.torrentNamePlaceholder")}
-            className="w-full rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 text-sm text-white outline-none focus:border-emerald-500"
+            className="sg-field w-full"
           />
           {selTracker?.source && (
             <p className="mt-1 text-xs text-sky-300/80">
@@ -618,7 +618,7 @@ function PublishContent({ onLogout }: { onLogout: () => void }) {
             <select
               value={trackerId}
               onChange={(e) => setTrackerId(e.target.value)}
-              className="w-full rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 text-sm text-white outline-none focus:border-emerald-500"
+              className="sg-field sg-select w-full"
             >
               <option value="public">{t("torrents.addTorrent.optionPublic")}</option>
               {trackers.map((tr) => (
@@ -634,7 +634,7 @@ function PublishContent({ onLogout }: { onLogout: () => void }) {
             <select
               value={forceNode}
               onChange={(e) => setForceNode(e.target.value)}
-              className="w-full rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 text-sm text-white outline-none focus:border-emerald-500"
+              className="sg-field sg-select w-full"
             >
               <option value="">{t("torrents.addTorrent.optionSchedulerChooses")}</option>
               {nodes
diff --git a/portal/src/pages/Explore.tsx b/portal/src/pages/Explore.tsx
index 0347b5c..0fcc3bc 100644
--- a/portal/src/pages/Explore.tsx
+++ b/portal/src/pages/Explore.tsx
@@ -253,7 +253,7 @@ export function Explore({ can, onLogout }: { can: (perm: string) => boolean; onL
               <select
                 value={trackerId}
                 onChange={(e) => setTrackerId(e.target.value)}
-                className="w-full rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 text-sm text-white outline-none focus:border-emerald-500"
+                className="sg-field sg-select w-full"
               >
                 {integ.map((t) => (
                   <option key={t.id} value={t.id}>
@@ -279,7 +279,7 @@ export function Explore({ can, onLogout }: { can: (perm: string) => boolean; onL
                   onChange={(e) => setQ(e.target.value)}
                   onKeyDown={(e) => e.key === "Enter" && doSearch()}
                   placeholder={t("explore.explore.search.placeholder")}
-                  className="w-full rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 text-base text-white outline-none focus:border-emerald-500"
+                  className="sg-field w-full text-base"
                 />
                 <button
                   onClick={doSearch}
@@ -294,7 +294,7 @@ export function Explore({ can, onLogout }: { can: (perm: string) => boolean; onL
                 value={fType}
                 onChange={(e) => setFType(e.target.value as MediaType | "")}
                 title={t("explore.explore.filters.typeTitle")}
-                className="rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 text-sm text-white outline-none focus:border-emerald-500"
+                className="sg-field sg-select"
               >
                 <option value="">{t("explore.explore.filters.allTypes")}</option>
                 <option value="movie">🎬 {t("explore.explore.media.moviePlural")}</option>
@@ -308,7 +308,7 @@ export function Explore({ can, onLogout }: { can: (perm: string) => boolean; onL
                 value={fSize}
                 onChange={(e) => setFSize(Number(e.target.value))}
                 title={t("explore.explore.filters.sizeTitle")}
-                className="rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 text-sm text-white outline-none focus:border-emerald-500"
+                className="sg-field sg-select"
               >
                 <option value={0}>{t("explore.explore.filters.anySize")}</option>
                 <option value={104857600}>{"> 100 MB"}</option>
@@ -322,13 +322,13 @@ export function Explore({ can, onLogout }: { can: (perm: string) => boolean; onL
                 onChange={(e) => setFSeeds(Number(e.target.value) || 0)}
                 placeholder={t("explore.explore.filters.minSeedsPlaceholder")}
                 title={t("explore.explore.filters.minSeedsTitle")}
-                className="w-28 rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 text-sm text-white outline-none focus:border-emerald-500"
+                className="sg-field w-28"
               />
               <select
                 value={fStatus}
                 onChange={(e) => setFStatus(e.target.value as "all" | "avail" | "have")}
                 title={t("explore.explore.filters.statusTitle")}
-                className="rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 text-sm text-white outline-none focus:border-emerald-500"
+                className="sg-field sg-select"
               >
                 <option value="all">{t("explore.explore.filters.statusAll")}</option>
                 <option value="avail">{t("explore.explore.filters.statusAvail")}</option>
diff --git a/portal/src/pages/publish/TaxonomySelects.tsx b/portal/src/pages/publish/TaxonomySelects.tsx
index a04d5a7..9eced5c 100644
--- a/portal/src/pages/publish/TaxonomySelects.tsx
+++ b/portal/src/pages/publish/TaxonomySelects.tsx
@@ -38,7 +38,7 @@ export function TaxonomySelects({
               aria-label={t(labelKey)}
               value={value}
               onChange={(e) => onChange(axis, Number(e.target.value))}
-              className={inputCls}
+              className={`${inputCls} sg-select`}
             >
               {/* Resolution is optional in UNIT3D; category and type are not, but 0 is also the
                   state "not yet chosen" — better than a default that no one checked. */}
diff --git a/portal/src/pages/publish/TrackerUploadPanel.tsx b/portal/src/pages/publish/TrackerUploadPanel.tsx
index e38cfa0..258673f 100644
--- a/portal/src/pages/publish/TrackerUploadPanel.tsx
+++ b/portal/src/pages/publish/TrackerUploadPanel.tsx
@@ -342,8 +342,8 @@ export function TrackerUploadPanel({
     setTimeout(() => setFormSteps(null), 5000); // disappears on its own after the operator sees it
   }
 
-  const inputCls =
-    "w-full rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 text-sm text-white outline-none focus:border-emerald-500";
+  // Form-control base classes (#22).
+  const inputCls = "sg-field w-full";
   const num = (v: string) => (v === "" ? 0 : Number(v) || 0);
   // The category role comes from the profile (kind), not the number: the "Games" category ID is 5
   // on one site and another on another. Category without role = no special fields.
@@ -644,7 +644,7 @@ export function TrackerUploadPanel({
                 )}
               </div>
             )}
-            <textarea value={form.description} onChange={(e) => set("description", e.target.value)} rows={6} className={`${inputCls} resize-y font-mono text-xs`} />
+            <textarea value={form.description} onChange={(e) => set("description", e.target.value)} rows={6} className="sg-textarea w-full resize-y font-mono text-xs" />
           </div>
 
           {!isGame && (
@@ -652,7 +652,7 @@ export function TrackerUploadPanel({
               <label className="mb-1 block text-xs text-slate-400">
                 {mediaInfo ? t("publish.trackerUploadPanel.fields.mediainfoAvailable") : t("publish.trackerUploadPanel.fields.mediainfoMissing")}
               </label>
-              <textarea value={form.mediainfo} onChange={(e) => set("mediainfo", e.target.value)} rows={5} className={`${inputCls} resize-y font-mono text-xs`} />
+              <textarea value={form.mediainfo} onChange={(e) => set("mediainfo", e.target.value)} rows={5} className="sg-textarea w-full resize-y font-mono text-xs" />
             </div>
           )}
 
@@ -662,7 +662,7 @@ export function TrackerUploadPanel({
               <input value={form.keywords} onChange={(e) => set("keywords", e.target.value)} className={inputCls} />
             </div>
             <label className="mt-4 flex items-center gap-2 text-xs text-slate-300">
-              <input type="checkbox" checked={form.anonymous} onChange={(e) => set("anonymous", e.target.checked)} className="accent-emerald-500" />
+              <input type="checkbox" checked={form.anonymous} onChange={(e) => set("anonymous", e.target.checked)} className="sg-check" />
               {t("publish.trackerUploadPanel.fields.anonymous")}
             </label>
           </div>
@@ -696,7 +696,7 @@ export function TrackerUploadPanel({
                 ))}
               </ul>
               <label className="mt-3 flex items-center gap-2 text-xs text-amber-200">
-                <input type="checkbox" checked={dupeAck} onChange={(e) => setDupeAck(e.target.checked)} className="accent-amber-500" />
+                <input type="checkbox" checked={dupeAck} onChange={(e) => setDupeAck(e.target.checked)} className="sg-check" />
                 {t("publish.trackerUploadPanel.dupes.ack")}
               </label>
             </div>