Index: src/app/admin/schedule/page.tsx
===================================================================
--- src/app/admin/schedule/page.tsx	(revision 8496f3c2ae490dee80fdf71af9fe30c63996efaf)
+++ src/app/admin/schedule/page.tsx	(revision 8496f3c2ae490dee80fdf71af9fe30c63996efaf)
@@ -0,0 +1,224 @@
+"use client";
+
+import { useCallback, useEffect, useState } from "react";
+import { useTranslation } from "react-i18next";
+import { adminGet, adminSend, type AdminSemester, type Schedule } from "@/lib/admin-api";
+
+export default function AdminSchedulePage() {
+  const { t } = useTranslation();
+
+  const [semesters, setSemesters] = useState<AdminSemester[]>([]);
+  const [semesterId, setSemesterId] = useState<number | null>(null);
+  const [schedule, setSchedule] = useState<Schedule | null>(null);
+
+  const [loading, setLoading] = useState(true);
+  const [busy, setBusy] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const [notice, setNotice] = useState<string | null>(null);
+
+  const [subjectId, setSubjectId] = useState<number | "">("");
+  const [professorId, setProfessorId] = useState<number | "">("");
+
+  useEffect(() => {
+    (async () => {
+      try {
+        const list = await adminGet<AdminSemester[]>("/api/admin/semesters");
+        setSemesters(list);
+        setSemesterId(list[0]?.id ?? null);
+      } catch (e) {
+        setError(e instanceof Error ? e.message : String(e));
+      } finally {
+        setLoading(false);
+      }
+    })();
+  }, []);
+
+  const loadSchedule = useCallback(async (id: number) => {
+    setLoading(true);
+    setError(null);
+    try {
+      setSchedule(await adminGet<Schedule>(`/api/admin/schedule/${id}`));
+    } catch (e) {
+      setError(e instanceof Error ? e.message : String(e));
+    } finally {
+      setLoading(false);
+    }
+  }, []);
+
+  useEffect(() => {
+    if (semesterId !== null) void loadSchedule(semesterId);
+  }, [semesterId, loadSchedule]);
+
+  async function run(action: () => Promise<{ message?: string }>) {
+    setBusy(true);
+    setError(null);
+    setNotice(null);
+    try {
+      const result = await action();
+      setNotice(result.message ?? null);
+      if (semesterId !== null) await loadSchedule(semesterId);
+    } catch (e) {
+      setError(e instanceof Error ? e.message : String(e));
+    } finally {
+      setBusy(false);
+    }
+  }
+
+  return (
+    <div className="min-h-screen pb-8">
+      <div className="bg-primary text-white rounded-xl p-8 mb-8">
+        <h1 className="text-3xl font-bold mb-2">{t("admin_schedule")}</h1>
+        <p className="text-lg opacity-90">{t("admin_schedule_intro")}</p>
+      </div>
+
+      {error && (
+        <div className="mb-4 rounded-lg border border-red-200 bg-red-50 px-4 py-3 text-sm text-red-800">{error}</div>
+      )}
+      {notice && (
+        <div className="mb-4 rounded-lg border border-green-200 bg-green-50 px-4 py-3 text-sm text-green-800">{notice}</div>
+      )}
+
+      <div className="bg-card rounded-xl shadow-sm border border-border p-6 mb-6">
+        <div className="flex flex-wrap items-end gap-4">
+          <label className="flex flex-col">
+            <span className="text-sm text-muted-foreground">{t("semester")}</span>
+            <select
+              className="rounded-lg border border-border bg-background px-3 py-2"
+              value={semesterId ?? ""}
+              onChange={(e) => setSemesterId(Number(e.target.value))}
+            >
+              {semesters.map((s) => (
+                <option key={s.id} value={s.id}>{s.name}</option>
+              ))}
+            </select>
+          </label>
+
+          <label className="flex flex-col">
+            <span className="text-sm text-muted-foreground">{t("subject")}</span>
+            <select
+              className="rounded-lg border border-border bg-background px-3 py-2"
+              value={subjectId}
+              onChange={(e) => setSubjectId(e.target.value === "" ? "" : Number(e.target.value))}
+            >
+              <option value="">{t("admin_pick_subject")}</option>
+              {schedule?.allSubjects.map((s) => (
+                <option key={s.id} value={s.id}>{s.code} — {s.name}</option>
+              ))}
+            </select>
+          </label>
+
+          <label className="flex flex-col">
+            <span className="text-sm text-muted-foreground">{t("admin_professor")}</span>
+            <select
+              className="rounded-lg border border-border bg-background px-3 py-2"
+              value={professorId}
+              onChange={(e) => setProfessorId(e.target.value === "" ? "" : Number(e.target.value))}
+            >
+              <option value="">{t("admin_pick_professor")}</option>
+              {schedule?.professors.map((p) => (
+                <option key={p.id} value={p.id}>{p.name}</option>
+              ))}
+            </select>
+          </label>
+
+          <button
+            className="rounded-lg bg-green-600 px-4 py-2 text-sm font-medium text-white disabled:opacity-50"
+            disabled={busy || subjectId === "" || professorId === "" || semesterId === null}
+            onClick={() =>
+              void run(() =>
+                adminSend("/api/admin/schedule", "POST", {
+                  ProfessorId: professorId,
+                  SemesterId: semesterId,
+                  SubjectId: subjectId,
+                }),
+              )
+            }
+          >
+            {t("admin_assign")}
+          </button>
+        </div>
+      </div>
+
+      {schedule && schedule.uncoveredSubjects.length > 0 && (
+        <div className="mb-6 rounded-lg border border-yellow-200 bg-yellow-50 px-4 py-3 text-sm text-yellow-900">
+          <strong>{t("admin_uncovered_count", { count: schedule.uncoveredSubjects.length })}</strong>
+          <span className="ml-2">{t("admin_uncovered_hint")}</span>
+          <div className="mt-2 font-mono text-xs">
+            {schedule.uncoveredSubjects.map((u) => u.code).join(", ")}
+          </div>
+        </div>
+      )}
+
+      <div className="grid gap-6 lg:grid-cols-3">
+        <div className="lg:col-span-2 bg-card rounded-xl shadow-sm border border-border overflow-hidden">
+          <div className="bg-primary text-white px-6 py-4">
+            <h2 className="text-xl font-bold">
+              {t("admin_assignments")} {schedule ? `— ${schedule.semesterName}` : ""}
+            </h2>
+          </div>
+          <div className="overflow-x-auto">
+            <table className="w-full">
+              <thead className="bg-accent">
+                <tr>
+                  <th className="px-4 py-3 text-left text-xs font-medium uppercase text-muted-foreground">{t("admin_subject_code")}</th>
+                  <th className="px-4 py-3 text-left text-xs font-medium uppercase text-muted-foreground">{t("subject")}</th>
+                  <th className="px-4 py-3 text-left text-xs font-medium uppercase text-muted-foreground">{t("admin_professor")}</th>
+                  <th className="px-4 py-3 text-left text-xs font-medium uppercase text-muted-foreground">{t("actions")}</th>
+                </tr>
+              </thead>
+              <tbody>
+                {loading ? (
+                  <tr><td className="px-4 py-4 text-muted-foreground" colSpan={4}>{t("loading")}</td></tr>
+                ) : !schedule || schedule.assignments.length === 0 ? (
+                  <tr><td className="px-4 py-4 text-muted-foreground" colSpan={4}>{t("admin_no_assignments")}</td></tr>
+                ) : (
+                  schedule.assignments.map((a) => (
+                    <tr key={`${a.subjectId}-${a.professorId}`} className="hover:bg-accent">
+                      <td className="px-4 py-3 border-b font-mono text-card-foreground">{a.subjectCode}</td>
+                      <td className="px-4 py-3 border-b text-card-foreground">{a.subjectName}</td>
+                      <td className="px-4 py-3 border-b text-card-foreground">{a.professorName}</td>
+                      <td className="px-4 py-3 border-b">
+                        <button
+                          className="rounded-lg bg-gray-800 px-3 py-1.5 text-sm text-white disabled:opacity-50"
+                          disabled={busy}
+                          onClick={() =>
+                            void run(() =>
+                              adminSend("/api/admin/schedule", "DELETE", {
+                                ProfessorId: a.professorId,
+                                SemesterId: schedule.semesterId,
+                                SubjectId: a.subjectId,
+                              }),
+                            )
+                          }
+                        >
+                          {t("admin_remove")}
+                        </button>
+                      </td>
+                    </tr>
+                  ))
+                )}
+              </tbody>
+            </table>
+          </div>
+        </div>
+
+        <div className="bg-card rounded-xl shadow-sm border border-border overflow-hidden">
+          <div className="bg-primary text-white px-6 py-4">
+            <h2 className="text-xl font-bold">{t("admin_load")}</h2>
+          </div>
+          <ul className="divide-y divide-border">
+            {schedule?.load.map((l) => (
+              <li key={l.professorId} className="flex items-center justify-between px-4 py-3">
+                <span className="text-card-foreground">{l.professorName}</span>
+                <span className="rounded-full bg-accent px-2 py-0.5 text-sm text-muted-foreground">{l.subjects}</span>
+              </li>
+            ))}
+            {!schedule?.load.length && (
+              <li className="px-4 py-3 text-muted-foreground">{t("admin_no_professors")}</li>
+            )}
+          </ul>
+        </div>
+      </div>
+    </div>
+  );
+}