Базовая функциональность

2026-09-08 11:14:33 +03:00
commit dcd9b854a0
18 changed files with 2855 additions and 0 deletions
--- a/src/frontend/main.py
+++ b/src/frontend/main.py
@@ -0,0 +1,93 @@
+import os
+from pathlib import Path
+
+import requests
+import uvicorn
+from dotenv import load_dotenv
+from fastapi import FastAPI, HTTPException, Query
+from fastapi.responses import FileResponse
+from fastapi.staticfiles import StaticFiles
+
+load_dotenv(Path(__file__).parent / ".env")
+
+SCHEDULE_API = os.getenv("SCHEDULE_API", "http://127.0.0.1:8000").rstrip("/")
+STATIC_DIR = Path(__file__).parent / "static"
+
+app = FastAPI(title="Расписание — фронт")
+
+
+def _proxy(path: str, params: dict):
+    try:
+        resp = requests.get(f"{SCHEDULE_API}/{path}", params=params, timeout=30)
+    except requests.RequestException as exc:
+        raise HTTPException(status_code=502, detail=f"Бэкенд недоступен: {exc}")
+    if resp.status_code != 200:
+        try:
+            detail = resp.json().get("detail", resp.text)
+        except Exception:
+            detail = resp.text
+        raise HTTPException(status_code=resp.status_code, detail=detail)
+    return resp.json()
+
+
+@app.get("/api/groups")
+def api_groups(force: bool = Query(False)):
+    return _proxy("groups", {"force": force})
+
+
+@app.get("/api/schedule/{group}")
+def api_schedule(group: str, force: bool = Query(False)):
+    return _proxy(f"schedule/{group}", {"force": force})
+
+
+@app.get("/api/teachers")
+def api_teachers(force: bool = Query(False)):
+    return _proxy("teachers", {"force": force})
+
+
+@app.get("/api/rooms")
+def api_rooms(force: bool = Query(False)):
+    return _proxy("rooms", {"force": force})
+
+
+@app.get("/api/teacher/{name}")
+def api_teacher(name: str, force: bool = Query(False)):
+    return _proxy(f"teacher/{name}", {"force": force})
+
+
+@app.get("/api/room/{label}")
+def api_room(label: str, force: bool = Query(False)):
+    return _proxy(f"room/{label}", {"force": force})
+
+
+@app.get("/api/rooms-free")
+def api_rooms_free(day: str, period: int, force: bool = Query(False)):
+    return _proxy("rooms-free", {"day": day, "period": period, "force": force})
+
+
+@app.get("/api/rooms-day")
+def api_rooms_day(day: str, force: bool = Query(False)):
+    return _proxy("rooms-day", {"day": day, "force": force})
+
+
+@app.get("/api/week")
+def api_week(force: bool = Query(False)):
+    return _proxy("week", {"force": force})
+
+
+@app.get("/api/status")
+def api_status(force: bool = Query(False)):
+    return _proxy("status", {"force": force})
+
+
+@app.get("/")
+def index():
+    return FileResponse(STATIC_DIR / "index.html")
+
+
+app.mount("/", StaticFiles(directory=STATIC_DIR, html=True), name="static")
+
+
+if __name__ == "__main__":
+    uvicorn.run(app, host="127.0.0.1", port=8080)
+
--- a/src/frontend/static/app.js
+++ b/src/frontend/static/app.js
@@ -0,0 +1,526 @@
+const groupSelect = document.getElementById("group-select");
+const entityLabel = document.getElementById("entity-label");
+const themeToggle = document.getElementById("theme-toggle");
+const scheduleEl = document.getElementById("schedule");
+const errorEl = document.getElementById("error");
+const loadingEl = document.getElementById("loading");
+
+const RUSSIAN_DAYS = ["воскресенье", "понедельник", "вторник", "среда", "четверг", "пятница", "суббота"];
+const DAY_ORDER = ["понедельник", "вторник", "среда", "четверг", "пятница", "суббота", "воскресенье"];
+
+const MODES = {
+  groups: { label: "Группа", listUrl: "/api/groups", valueKey: "schedule-group" },
+  teachers: { label: "Преподаватель", listUrl: "/api/teachers", valueKey: "schedule-teacher" },
+  rooms: { label: "Аудитория", listUrl: "/api/rooms", valueKey: "schedule-room" },
+};
+
+const PARITY_LABEL = { ч: "Числитель", з: "Знаменатель" };
+const PARITY_CLASS = { ч: "badge badge-ch", з: "badge badge-zn" };
+
+let currentParity = null;
+let mode = "groups";
+
+function todayName() {
+  return RUSSIAN_DAYS[new Date().getDay()];
+}
+
+function enc(value) {
+  return encodeURIComponent(value);
+}
+
+async function fetchJSON(url) {
+  const resp = await fetch(url);
+  if (!resp.ok) {
+    let detail = resp.statusText;
+    try {
+      const body = await resp.json();
+      if (body.detail) detail = body.detail;
+    } catch (_) {}
+    throw new Error(detail);
+  }
+  return resp.json();
+}
+
+async function loadWeek() {
+  try {
+    const data = await fetchJSON("/api/week");
+    currentParity = data.parity;
+  } catch (_) {}
+}
+
+function formatDT(iso) {
+  const d = new Date(iso);
+  if (isNaN(d.getTime())) return "";
+  const pad = (n) => String(n).padStart(2, "0");
+  return `${pad(d.getDate())}.${pad(d.getMonth() + 1)}.${d.getFullYear()} ${pad(d.getHours())}:${pad(d.getMinutes())}`;
+}
+
+async function loadStatus() {
+  try {
+    return await fetchJSON("/api/status");
+  } catch (_) {
+    return null;
+  }
+}
+
+/* ---------- навигация по вкладкам ---------- */
+
+function setActiveMenu(view) {
+  document.querySelectorAll(".side-menu a").forEach((a) => {
+    a.classList.toggle("active", a.dataset.view === view);
+  });
+}
+
+function fillOptions(list) {
+  groupSelect.innerHTML = "";
+  list.forEach((item) => {
+    const opt = document.createElement("option");
+    opt.value = item;
+    opt.textContent = item;
+    groupSelect.appendChild(opt);
+  });
+}
+
+async function setMode(next) {
+  mode = next;
+  localStorage.setItem("schedule-mode", next);
+  entityLabel.textContent = MODES[next].label;
+  setActiveMenu(next);
+  if (next === "rooms") {
+    entityLabel.textContent = "День";
+    groupSelect.classList.remove("hidden");
+    fillOptions(FREE_WEEKDAYS);
+    const savedDay = localStorage.getItem("schedule-room-day");
+    if (savedDay && FREE_WEEKDAYS.includes(savedDay)) groupSelect.value = savedDay;
+    await renderRoomsView(groupSelect.value);
+    return;
+  }
+  groupSelect.classList.remove("hidden");
+  const list = await fetchJSON(MODES[next].listUrl);
+  fillOptions(list);
+  if (!list.length) return;
+  const saved = localStorage.getItem(MODES[next].valueKey);
+  if (saved && list.includes(saved)) groupSelect.value = saved;
+  await renderView();
+}
+
+async function renderView(force = false) {
+  const value = groupSelect.value;
+  if (!value) return;
+  localStorage.setItem(MODES[mode].valueKey, value);
+  scheduleEl.innerHTML = "";
+  errorEl.classList.add("hidden");
+  loadingEl.classList.remove("hidden");
+  try {
+    if (mode === "groups") {
+      const [data, status] = await Promise.all([
+        fetchJSON(`/api/schedule/${enc(value)}${force ? "?force=1" : ""}`),
+        loadStatus(),
+      ]);
+      renderGroupSchedule(data, status);
+    } else {
+      const [data, status] = await Promise.all([
+        fetchJSON(`/api/teacher/${enc(value)}`),
+        loadStatus(),
+      ]);
+      renderTeacher(data, status);
+    }
+  } catch (err) {
+    errorEl.textContent = "Ошибка: " + err.message;
+    errorEl.classList.remove("hidden");
+  } finally {
+    loadingEl.classList.add("hidden");
+  }
+}
+
+/* ---------- общие элементы ---------- */
+
+function statusChip(label, value) {
+  const chip = document.createElement("div");
+  chip.className = "status-chip";
+  const lbl = document.createElement("span");
+  lbl.className = "status-label";
+  lbl.textContent = label;
+  const val = document.createElement("span");
+  val.className = "status-value";
+  val.textContent = value;
+  chip.appendChild(lbl);
+  chip.appendChild(val);
+  return chip;
+}
+
+function statusRowHTML(status) {
+  const row = document.createElement("div");
+  row.className = "schedule-status";
+  if (status) {
+    const modified = formatDT(status.table_modified);
+    const synced = formatDT(status.last_updated);
+    if (modified) row.appendChild(statusChip("Изменение таблицы", modified));
+    if (synced) row.appendChild(statusChip("Синхронизация", synced));
+  }
+  if (currentParity) {
+    const chip = document.createElement("div");
+    chip.className = "status-chip current-week";
+    const lbl = document.createElement("span");
+    lbl.className = "status-label";
+    lbl.textContent = "Сейчас";
+    const badge = document.createElement("span");
+    badge.className = "badge active " + (currentParity === "ч" ? "badge-ch" : "badge-zn");
+    badge.textContent = PARITY_LABEL[currentParity];
+    chip.appendChild(lbl);
+    chip.appendChild(badge);
+    row.appendChild(chip);
+  }
+  return row.childNodes.length ? row : null;
+}
+
+function makeDayBlock(day) {
+  const block = document.createElement("div");
+  block.className = "day-block" + (day === todayName() ? " today" : "");
+  const head = document.createElement("div");
+  head.className = "day-head";
+  head.innerHTML = `<span class="day-title">${day}</span>${day === todayName() ? '<span class="today-badge">сегодня</span>' : ""}`;
+  block.appendChild(head);
+  return block;
+}
+
+function parityColHTML(label, bodyHtml) {
+  return `<div class="parity-col">${bodyHtml}</div>`;
+}
+
+function alwaysColHTML(lessonsHtml) {
+  return `<div class="parity-col">${lessonsHtml}</div>`;
+}
+
+const OKNO_HTML = '<div class="lesson window">Окно</div>';
+const FREE_HTML = '<div class="lesson window">Свободна</div>';
+
+function addPeriodRow(block, num, time, lessonsHTML) {
+  const row = document.createElement("div");
+  row.className = "period";
+  row.innerHTML = `<div><div class="period-num">Пара ${num}</div><div class="period-time">${escapeHTML(time || "")}</div></div>`;
+  const col = document.createElement("div");
+  col.innerHTML = lessonsHTML;
+  row.appendChild(col);
+  block.appendChild(row);
+}
+
+function entityLessonHTML(parity, entry) {
+  const active = parity === currentParity ? " active" : "";
+  const details = [];
+  if (entry.room) details.push(entry.room);
+  if (entry.teacher) details.push(entry.teacher);
+  if (entry.groups && entry.groups.length) details.push(entry.groups.join(", "));
+  return `
+    <div class="lesson">
+      <div>
+        <span class="${PARITY_CLASS[parity]}${active}">${PARITY_LABEL[parity]}</span>
+        ${entry.marker ? `<span class="badge badge-kv">${escapeHTML(entry.marker)}</span>` : ""}
+        <span class="subject">${escapeHTML(entry.subject)}</span>
+      </div>
+      ${details.length ? `<div class="details">${escapeHTML(details.join(" · "))}</div>` : ""}
+      ${entry.note ? `<div class="lesson-note">${escapeHTML(entry.note)}</div>` : ""}
+    </div>`;
+}
+
+function singleLessonHTML(badgeKey, lesson, full) {
+  const config = {
+    always: { label: "Обе недели", cls: "badge badge-always" },
+    ч: { label: "Числитель", cls: "badge badge-ch" },
+    з: { label: "Знаменатель", cls: "badge badge-zn" },
+  };
+  const { label, cls } = config[badgeKey];
+  const active = badgeKey !== "always" && badgeKey === currentParity ? " active" : "";
+  const details = [lesson.teacher, lesson.room].filter(Boolean).join(" · ");
+  return `
+    <div class="lesson${full ? " full" : ""}">
+      <div>
+        <span class="${cls}${active}">${label}</span>
+        ${lesson.marker ? `<span class="badge badge-kv">${escapeHTML(lesson.marker)}</span>` : ""}
+        <span class="subject">${escapeHTML(lesson.subject)}</span>
+      </div>
+      ${details ? `<div class="details">${escapeHTML(details)}</div>` : ""}
+      ${lesson.note ? `<div class="lesson-note">${escapeHTML(lesson.note)}</div>` : ""}
+    </div>`;
+}
+
+/* ---------- рендер расписания группы ---------- */
+
+function renderGroupSchedule(data, status) {
+  scheduleEl.appendChild(Object.assign(document.createElement("div"), {
+    className: "schedule-title",
+    textContent: `Расписание группы ${data.group}`,
+  }));
+  if (data.semester_until) {
+    scheduleEl.appendChild(Object.assign(document.createElement("div"), {
+      className: "schedule-meta",
+      textContent: `Семестр до ${data.semester_until}`,
+    }));
+  }
+  const top = statusRowHTML(status);
+  if (top) scheduleEl.appendChild(top);
+
+  const daysContainer = document.createElement("div");
+  scheduleEl.appendChild(daysContainer);
+  let hasAnyLessons = false;
+
+  DAY_ORDER.forEach((day) => {
+    const periods = data.days[day];
+    if (!periods) return;
+    const block = makeDayBlock(day);
+
+    const rows = Object.entries(periods)
+      .sort(([a], [b]) => Number(a) - Number(b))
+      .map(([num, p]) => {
+        const always = p.ч && p.з && p.ч.raw === p.з.raw;
+        return { num, p, always, hasLesson: Boolean(always || p.ч || p.з) };
+      });
+
+    const lastWithLesson = rows.reduce((acc, r, i) => (r.hasLesson ? i : acc), -1);
+    if (lastWithLesson === -1) {
+      block.appendChild(Object.assign(document.createElement("div"), {
+        className: "lesson empty",
+        textContent: "Занятий нет",
+      }));
+      daysContainer.appendChild(block);
+      return;
+    }
+
+    rows.slice(0, lastWithLesson + 1).forEach(({ num, p, always }) => {
+      let inner;
+      if (always) {
+        inner = `<div class="parities">${alwaysColHTML(p.ч.lessons.map((l) => singleLessonHTML("always", l)).join(""))}</div>`;
+        hasAnyLessons = true;
+      } else {
+        const chHtml = p.ч ? p.ч.lessons.map((l) => singleLessonHTML("ч", l)).join("") : null;
+        const znHtml = p.з ? p.з.lessons.map((l) => singleLessonHTML("з", l)).join("") : null;
+        if (!chHtml && !znHtml) {
+          inner = `<div class="parities">${parityColHTML("Числитель", OKNO_HTML)}</div>`;
+        } else {
+          inner = `<div class="parities">${parityColHTML("Числитель", chHtml || OKNO_HTML)}${parityColHTML("Знаменатель", znHtml || OKNO_HTML)}</div>`;
+          hasAnyLessons = true;
+        }
+      }
+      addPeriodRow(block, num, p.time, inner);
+    });
+
+    daysContainer.appendChild(block);
+  });
+
+  if (!hasAnyLessons) {
+    daysContainer.innerHTML = "";
+    daysContainer.appendChild(Object.assign(document.createElement("div"), {
+      className: "empty-day",
+      textContent: "Расписание пустое",
+    }));
+  }
+}
+
+const TEACHER_DAYS = DAY_ORDER.slice(0, 6);
+
+/* ---------- рендер преподавателя ---------- */
+
+function renderTeacher(data, status) {
+  scheduleEl.appendChild(Object.assign(document.createElement("div"), {
+    className: "schedule-title",
+    textContent: `Преподаватель: ${data.full_name || data.name}`,
+  }));
+  const top = statusRowHTML(status);
+  if (top) scheduleEl.appendChild(top);
+
+  const daysContainer = document.createElement("div");
+  scheduleEl.appendChild(daysContainer);
+  let hasAny = false;
+
+  TEACHER_DAYS.forEach((day) => {
+    const periods = data.days[day];
+    const occupied = periods && Object.values(periods).some((s) => (s.ч || []).length || (s.з || []).length);
+    const block = makeDayBlock(day);
+    if (!occupied) {
+      block.appendChild(Object.assign(document.createElement("div"), {
+        className: "lesson empty",
+        textContent: "Занятий нет",
+      }));
+      daysContainer.appendChild(block);
+      return;
+    }
+    Object.entries(periods)
+      .sort(([a], [b]) => Number(a) - Number(b))
+      .forEach(([num, slot]) => {
+        const chHtml = (slot.ч || []).map((entry) => { hasAny = true; return entityLessonHTML("ч", entry); }).join("");
+        const znHtml = (slot.з || []).map((entry) => { hasAny = true; return entityLessonHTML("з", entry); }).join("");
+        if (!chHtml && !znHtml) return;
+        const inner = `<div class="parities">${parityColHTML("Числитель", chHtml || OKNO_HTML)}${parityColHTML("Знаменатель", znHtml || OKNO_HTML)}</div>`;
+        addPeriodRow(block, num, slot.time, inner);
+      });
+    daysContainer.appendChild(block);
+  });
+
+  if (!hasAny) {
+    daysContainer.innerHTML = "";
+    daysContainer.appendChild(Object.assign(document.createElement("div"), {
+      className: "empty-day",
+      textContent: "Занятий нет",
+    }));
+  }
+}
+
+/* ---------- аудитории: занятость по выбранному дню ---------- */
+
+const FREE_WEEKDAYS = ["понедельник", "вторник", "среда", "четверг", "пятница", "суббота"];
+
+async function renderRoomsView(day) {
+  const chosenDay = FREE_WEEKDAYS.includes(day) ? day : (FREE_WEEKDAYS.includes(todayName()) ? todayName() : "понедельник");
+  scheduleEl.innerHTML = "";
+  errorEl.classList.add("hidden");
+  loadingEl.classList.remove("hidden");
+  try {
+    const status = await loadStatus();
+    scheduleEl.appendChild(Object.assign(document.createElement("div"), {
+      className: "schedule-title",
+      textContent: "Занятость аудиторий",
+    }));
+    const top = statusRowHTML(status);
+    if (top) scheduleEl.appendChild(top);
+
+    const wrap = document.createElement("div");
+    wrap.className = "rooms-wrap";
+    scheduleEl.appendChild(wrap);
+
+    const data = await fetchJSON(`/api/rooms-day?day=${enc(chosenDay)}`);
+    wrap.appendChild(roomsDayTable(data));
+  } catch (err) {
+    errorEl.textContent = "Ошибка: " + err.message;
+    errorEl.classList.remove("hidden");
+  } finally {
+    loadingEl.classList.add("hidden");
+  }
+}
+
+function roomsDayTable(data) {
+  const periodNums = [];
+  data.rooms.forEach((r) => {
+    Object.keys(r.periods || {}).forEach((p) => {
+      if (!periodNums.includes(p)) periodNums.push(p);
+    });
+  });
+  periodNums.sort((a, b) => Number(a) - Number(b));
+  return buildRoomsList(data, periodNums);
+}
+
+function buildRoomsList(data, periodNums) {
+  const list = document.createElement("div");
+  list.className = "rooms-list";
+  data.rooms.forEach((room) => {
+    const card = document.createElement("div");
+    card.className = "room-card";
+    const head = document.createElement("div");
+    head.className = "day-head";
+    head.innerHTML = `<div class="room-title"><span class="day-title">${escapeHTML(room.room)}</span>${room.info ? `<div class="room-info">${escapeHTML(room.info)}</div>` : ""}</div>`;
+    card.appendChild(head);
+    const periods = room.periods || {};
+    periodNums.forEach((p) => {
+      const slot = periods[p] || {};
+      const row = document.createElement("div");
+      row.className = "room-row";
+      const left = document.createElement("div");
+      left.className = "room-row-num";
+      left.innerHTML = `Пара ${p}${slot.time ? `<div class="period-time">${escapeHTML(slot.time)}</div>` : ""}`;
+      row.appendChild(left);
+      const body = document.createElement("div");
+      body.className = "room-row-body";
+      const chEntries = slot.ч || [];
+      const znEntries = slot.з || [];
+      if (!chEntries.length && !znEntries.length) {
+        body.innerHTML = `<div class="parities">${parityColHTML("", OKNO_HTML)}</div>`;
+      } else {
+        const chHtml = chEntries.map((e) => entityLessonHTML("ч", e)).join("");
+        const znHtml = znEntries.map((e) => entityLessonHTML("з", e)).join("");
+        body.innerHTML = `<div class="parities">${parityColHTML("", chHtml || OKNO_HTML)}${parityColHTML("", znHtml || OKNO_HTML)}</div>`;
+      }
+      row.appendChild(body);
+      card.appendChild(row);
+    });
+    list.appendChild(card);
+  });
+  return list;
+}
+
+function roomPeriodCell(slot) {
+  const td = document.createElement("td");
+  td.className = "r-cell";
+  const all = [...((slot && slot.ч) || []), ...((slot && slot.з) || [])];
+  if (!all.length) {
+    td.classList.add("r-free");
+    td.textContent = "окно";
+    return td;
+  }
+  td.classList.add("r-busy");
+  const seen = new Set();
+  const lines = [];
+  all.forEach((e) => {
+    if (!e.subject || seen.has(e.subject)) return;
+    seen.add(e.subject);
+    lines.push(e.subject);
+  });
+  lines.forEach((x) => {
+    const div = document.createElement("div");
+    div.className = "r-subj";
+    div.textContent = x;
+    td.appendChild(div);
+  });
+  td.title = lines.join("; ");
+  return td;
+}
+
+function escapeHTML(s) {
+  return s.replace(/[&<>"']/g, (c) => ({ "&": "&amp;", "<": "&lt;", ">": "&gt;", '"': "&quot;", "'": "&#39;" }[c]));
+}
+
+function applyTheme(theme) {
+  document.documentElement.setAttribute("data-theme", theme);
+  localStorage.setItem("theme", theme);
+}
+
+function initTheme() {
+  const saved = localStorage.getItem("theme");
+  applyTheme(saved === "dark" ? "dark" : "light");
+}
+
+themeToggle.addEventListener("click", () => {
+  const current = document.documentElement.getAttribute("data-theme") === "dark" ? "dark" : "light";
+  applyTheme(current === "dark" ? "light" : "dark");
+});
+
+initTheme();
+
+document.querySelectorAll(".side-menu a").forEach((link) => {
+  link.addEventListener("click", (e) => {
+    e.preventDefault();
+    setMode(link.dataset.view).catch((err) => {
+      errorEl.textContent = "Ошибка: " + err.message;
+      errorEl.classList.remove("hidden");
+    });
+  });
+});
+
+groupSelect.addEventListener("change", () => {
+  if (mode === "rooms") {
+    localStorage.setItem("schedule-room-day", groupSelect.value);
+    renderRoomsView(groupSelect.value).catch((err) => {
+      errorEl.textContent = "Ошибка: " + err.message;
+      errorEl.classList.remove("hidden");
+    });
+    return;
+  }
+  renderView();
+});
+
+loadWeek().finally(() => {
+  const savedMode = localStorage.getItem("schedule-mode");
+  const initial = ["groups", "teachers", "rooms"].includes(savedMode) ? savedMode : "groups";
+  setMode(initial).catch((err) => {
+    errorEl.textContent = "Ошибка: " + err.message;
+    errorEl.classList.remove("hidden");
+  });
+});
--- a/src/frontend/static/img/favicon.png
+++ b/src/frontend/static/img/favicon.png
--- a/src/frontend/static/img/owl-white.svg
+++ b/src/frontend/static/img/owl-white.svg
--- a/src/frontend/static/img/owl.svg
+++ b/src/frontend/static/img/owl.svg
--- a/src/frontend/static/index.html
+++ b/src/frontend/static/index.html
@@ -0,0 +1,58 @@
+<!DOCTYPE html>
+<html lang="ru">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Расписание · Факультет ИВТ ЯрГУ</title>
+  <link rel="icon" type="image/svg+xml" href="/img/owl-white.svg">
+  <link rel="stylesheet" href="/style.css">
+</head>
+<body>
+
+  <div class="topbar">
+    <div class="topbar-brand">
+      <a href="https://ivt.uniyar.ac.ru/" target="_blank" rel="noopener">
+        <img class="topbar-logo" src="/img/owl.svg" alt="ЯрГУ им. П.Г. Демидова">
+      </a>
+      <div class="topbar-text">
+        <a href="https://www.uniyar.ac.ru/" target="_blank" rel="noopener" class="topbar-university">Ярославский государственный университет им. П.Г. Демидова</a>
+        <a href="https://ivt.uniyar.ac.ru/" target="_blank" rel="noopener" class="topbar-faculty">Факультет информатики и&nbsp;вычислительной техники</a>
+      </div>
+    </div>
+    <button id="theme-toggle" class="theme-toggle" title="Переключить тему">
+      <svg class="icon icon-sun" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="5"/><line x1="12" y1="1" x2="12" y2="3"/><line x1="12" y1="21" x2="12" y2="23"/><line x1="4.22" y1="4.22" x2="5.64" y2="5.64"/><line x1="18.36" y1="18.36" x2="19.78" y2="19.78"/><line x1="1" y1="12" x2="3" y2="12"/><line x1="21" y1="12" x2="23" y2="12"/><line x1="4.22" y1="19.78" x2="5.64" y2="18.36"/><line x1="18.36" y1="5.64" x2="19.78" y2="4.22"/></svg>
+      <svg class="icon icon-moon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z"/></svg>
+    </button>
+  </div>
+
+  <div class="layout">
+    <aside class="side">
+      <div class="side-head">
+        <a href="/" class="side-logo-link"><img class="side-logo" src="/img/owl-white.svg" alt="Факультет ИВТ"></a>
+        <div class="side-name">Расписание занятий</div>
+      </div>
+      <div class="side-nav">
+        <nav class="side-menu">
+          <a href="#" class="active" data-view="groups">Расписание групп</a>
+          <a href="#" data-view="teachers">Преподаватели</a>
+          <a href="#" data-view="rooms">Аудитории</a>
+        </nav>
+        <div class="side-label" id="entity-label">Группа</div>
+        <select id="group-select" aria-label="Выбор группы"></select>
+      </div>
+      <div class="side-footer">
+        <a href="https://vk.com/ivt7k" target="_blank" rel="noopener">Сообщество ВКонтакте</a>
+        <a href="https://ivt.uniyar.ac.ru/" target="_blank" rel="noopener">Сайт факультета</a>
+      </div>
+    </aside>
+
+    <main>
+      <div id="error" class="error hidden"></div>
+      <div id="loading" class="loading hidden">Загрузка…</div>
+      <div id="schedule" class="schedule"></div>
+    </main>
+  </div>
+
+  <script src="/app.js"></script>
+</body>
+</html>
--- a/src/frontend/static/style.css
+++ b/src/frontend/static/style.css
@@ -0,0 +1,683 @@
+:root {
+  --bg: #f1f5f9;
+  --surface: #ffffff;
+  --surface-2: #f7fafc;
+  --surface-3: #eef2f8;
+  --border: #dde5ef;
+  --border-2: #c3d1e2;
+  --text: #17223a;
+  --muted: #57677f;
+  --muted-2: #8c9bb0;
+
+  --nav-1: #1b2dd8;
+  --nav-2: #167cf2;
+  --accent: #0241e3;
+  --accent-blue: #1f4fd0;
+  --accent-red: #d01838;
+  --accent-red-bright: #e61d43;
+  --accent-blue-bg: #e5ecfc;
+  --on-accent: #ffffff;
+
+  --error-bg: #fbe9ea;
+  --error-border: #f3c1c5;
+  --error-text: #b00d15;
+  --shadow: rgba(10, 50, 110, 0.12);
+
+  --badge-ch-bg: #e3ebfc;
+  --badge-ch-text: #1f4fd0;
+  --badge-zn-bg: #fbe3e7;
+  --badge-zn-text: #c40f30;
+  --badge-kv-bg: #edf1f7;
+  --badge-kv-text: #43536b;
+  --badge-always-bg: #e6edf6;
+  --badge-always-text: #2e3d55;
+  --badge-ch-active-bg: linear-gradient(90deg, #1b2dd8, #167cf2);
+  --badge-ch-active-text: #ffffff;
+  --badge-zn-active-bg: #e61d43;
+  --badge-zn-active-text: #ffffff;
+}
+
+[data-theme="dark"] {
+  --bg: #0a1120;
+  --surface: #111a2e;
+  --surface-2: #16223a;
+  --surface-3: #1d2e4c;
+  --border: #25375a;
+  --border-2: #3a4f78;
+  --text: #e7eef8;
+  --muted: #96adca;
+  --muted-2: #647e9f;
+
+  --nav-1: #1d2f72;
+  --nav-2: #1358b0;
+  --accent: #5ba3f7;
+  --accent-blue: #86b8ff;
+  --accent-red: #e96a7e;
+  --accent-red-bright: #ff6b7f;
+  --accent-blue-bg: #1a2d52;
+  --on-accent: #ffffff;
+
+  --error-bg: #4d1c22;
+  --error-border: #7c2a34;
+  --error-text: #ffc2c9;
+  --shadow: rgba(0, 0, 0, 0.45);
+
+  --badge-ch-bg: #1a2c55;
+  --badge-ch-text: #8cb8ff;
+  --badge-zn-bg: #54222d;
+  --badge-zn-text: #ff9dae;
+  --badge-kv-bg: #1e2c43;
+  --badge-kv-text: #b6c6da;
+  --badge-always-bg: #23314d;
+  --badge-always-text: #d9e3f0;
+  --badge-ch-active-bg: #3d86f2;
+  --badge-ch-active-text: #ffffff;
+  --badge-zn-active-bg: #ff6479;
+  --badge-zn-active-text: #ffffff;
+}
+
+* { box-sizing: border-box; }
+
+body {
+  margin: 0;
+  font-family: Roboto, -apple-system, "Segoe UI", Arial, sans-serif;
+  font-size: 16px;
+  line-height: 1.5;
+  background: var(--bg);
+  color: var(--text);
+  -webkit-font-smoothing: antialiased;
+}
+
+a { color: var(--accent); text-decoration: none; }
+a:hover { color: var(--accent-red); }
+
+/* ---- Верхняя белая полоса с цветной совой (как на сайте) ---- */
+.topbar {
+  background: var(--surface);
+  border-bottom: 1px solid var(--border);
+  padding: 8px 20px;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  position: sticky;
+  top: 0;
+  z-index: 20;
+}
+
+.topbar-brand {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  min-width: 0;
+}
+
+.topbar-logo {
+  width: 46px;
+  height: 46px;
+  flex-shrink: 0;
+}
+
+.topbar-text { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
+
+.topbar-university {
+  color: var(--text);
+  font-size: 14px;
+  font-weight: 700;
+}
+.topbar-university:hover { color: var(--accent-red); }
+
+.topbar-faculty {
+  color: var(--muted);
+  font-size: 13px;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+.topbar-faculty:hover { color: var(--accent-red); }
+
+.theme-toggle {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 36px;
+  height: 36px;
+  padding: 0;
+  border: 1px solid var(--border-2);
+  background: var(--surface);
+  color: var(--muted);
+  cursor: pointer;
+  flex-shrink: 0;
+}
+
+.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
+.theme-toggle .icon { width: 18px; height: 18px; }
+
+.icon-sun { display: none; }
+.icon-moon { display: block; }
+
+[data-theme="dark"] .icon-sun { display: block; }
+[data-theme="dark"] .icon-moon { display: none; }
+
+/* ---- Двухколоночный layout: синяя панель + контент ---- */
+.layout {
+  display: flex;
+  align-items: stretch;
+  min-height: calc(100vh - 63px);
+}
+
+.side {
+  width: 300px;
+  flex-shrink: 0;
+  background: linear-gradient(to bottom, var(--nav-1), var(--nav-2));
+  color: var(--on-accent);
+  display: flex;
+  flex-direction: column;
+  padding: 26px 22px 22px;
+  position: sticky;
+  top: 63px;
+  align-self: flex-start;
+  height: calc(100vh - 63px);
+}
+
+.side-head { text-align: center; padding-bottom: 18px; border-bottom: 1px solid rgba(255, 255, 255, 0.22); }
+
+.side-logo-link { display: inline-block; }
+.side-logo { width: 92px; height: 92px; }
+
+.side-name {
+  margin-top: 12px;
+  font-size: 17px;
+  font-weight: 600;
+  line-height: 1.25;
+}
+
+.side-nav {
+  padding: 18px 0;
+  flex: 1;
+}
+
+.side-menu {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+  margin-bottom: 16px;
+}
+
+.side-menu a {
+  display: block;
+  color: rgba(255, 255, 255, 0.9);
+  font-size: 15px;
+  font-weight: 600;
+  line-height: 1.3;
+  padding: 8px 10px;
+  border-left: 3px solid transparent;
+}
+
+.side-menu a:hover { color: #ffffff; background: rgba(0, 0, 0, 0.12); }
+
+.side-menu a.active {
+  color: #ffffff;
+  background: rgba(0, 0, 0, 0.2);
+  border-left-color: #ffffff;
+}
+
+.side-label {
+  text-transform: uppercase;
+  font-size: 12px;
+  letter-spacing: 1px;
+  color: rgba(255, 255, 255, 0.8);
+  margin-bottom: 8px;
+}
+
+#group-select {
+  width: 100%;
+  font-size: 16px;
+  font-weight: 500;
+  padding: 9px 10px;
+  border: none;
+  background: #ffffff;
+  color: #141c2b;
+  cursor: pointer;
+}
+
+#group-select option { background: #ffffff; color: #141c2b; }
+
+[data-theme="dark"] #group-select {
+  background: rgba(10, 19, 40, 0.6);
+  color: #ffffff;
+  border: 1px solid rgba(255, 255, 255, 0.35);
+}
+
+[data-theme="dark"] #group-select option {
+  background: var(--surface-3);
+  color: var(--text);
+}
+
+.side-footer {
+  border-top: 1px solid rgba(255, 255, 255, 0.22);
+  padding-top: 14px;
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+  font-size: 14px;
+}
+
+.side-footer a { color: rgba(255, 255, 255, 0.92); }
+.side-footer a:hover { color: #ffffff; text-decoration: underline; }
+
+main {
+  flex: 1;
+  min-width: 0;
+  padding: 26px 28px 40px;
+}
+
+.schedule { max-width: 900px; }
+
+.schedule-title {
+  font-size: 22px;
+  font-weight: 700;
+  color: var(--text);
+  margin-bottom: 2px;
+}
+
+.schedule-title .badge { margin-left: 10px; font-size: 13px; vertical-align: middle; }
+
+.schedule-meta { color: var(--muted); font-size: 14px; margin-bottom: 10px; }
+
+.schedule-status {
+  display: flex;
+  justify-content: flex-start;
+  gap: 10px;
+  flex-wrap: wrap;
+  margin-bottom: 18px;
+}
+
+.status-chip {
+  flex: 1 1 0;
+  min-width: 170px;
+  min-height: 54px;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  gap: 3px;
+  padding: 8px 12px;
+  background: var(--surface-2);
+  border: 1px solid var(--border);
+  box-sizing: border-box;
+}
+
+.status-chip.current-week { align-items: flex-start; }
+
+.status-label {
+  font-size: 11px;
+  font-weight: 700;
+  text-transform: uppercase;
+  letter-spacing: 0.6px;
+  color: var(--muted);
+}
+
+.status-value {
+  font-size: 14px;
+  font-weight: 600;
+  color: var(--text);
+}
+
+.current-week .badge { margin-right: 0; font-size: 12px; }
+
+.day-block {
+  background: var(--surface);
+  border: 1px solid var(--border);
+  margin-bottom: 14px;
+}
+
+.day-block.today {
+  border-color: var(--accent-red-bright);
+  box-shadow: inset 3px 0 0 var(--accent-red-bright);
+}
+
+.day-head {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 8px 14px;
+  border-bottom: 1px solid var(--border);
+  background: var(--surface-2);
+}
+
+.day-title { font-size: 15px; font-weight: 700; text-transform: capitalize; color: var(--text); }
+
+.today-badge {
+  background: var(--accent-red-bright);
+  color: #ffffff;
+  font-size: 11px;
+  font-weight: 700;
+  padding: 2px 8px;
+  letter-spacing: 0.4px;
+}
+
+.period {
+  padding: 8px 14px;
+  display: grid;
+  grid-template-columns: 96px 1fr;
+  gap: 14px;
+  border-bottom: 1px solid var(--border);
+}
+
+.period:last-child { border-bottom: none; }
+
+.period-num { font-weight: 700; color: var(--text); }
+
+.period-time { font-size: 13px; color: var(--muted); margin-top: 2px; }
+
+.parities {
+  display: flex;
+  gap: 10px;
+  align-items: stretch;
+}
+
+.parity-col {
+  flex: 1 1 0;
+  min-width: 0;
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+
+.parity-col .lesson {
+  margin-bottom: 0;
+  flex: 1 1 0;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+}
+
+.parity-col .window { justify-content: center; text-align: center; }
+
+@media (max-width: 1023px) {
+  .parities { flex-direction: column; }
+}
+
+.lesson {
+  border: 1px solid var(--border);
+  padding: 7px 11px;
+  background: var(--surface-2);
+}
+
+.lesson:hover { border-color: var(--accent); }
+
+.lesson .subject { font-weight: 700; font-size: 14px; }
+
+.lesson .details { font-size: 13px; color: var(--muted); margin-top: 1px; }
+
+.badge {
+  display: inline-block;
+  font-size: 11px;
+  font-weight: 700;
+  padding: 2px 8px;
+  margin-right: 6px;
+  vertical-align: 1px;
+}
+
+.badge-ch { background: var(--badge-ch-bg); color: var(--badge-ch-text); }
+.badge-zn { background: var(--badge-zn-bg); color: var(--badge-zn-text); }
+.badge-kv { background: var(--badge-kv-bg); color: var(--badge-kv-text); }
+.badge-always { background: var(--badge-always-bg); color: var(--badge-always-text); }
+
+.badge-ch.active { background: var(--badge-ch-active-bg); color: var(--badge-ch-active-text); }
+.badge-zn.active { background: var(--badge-zn-active-bg); color: var(--badge-zn-active-text); }
+
+.lesson.full { grid-column: 1 / -1; }
+
+.empty-day { color: var(--muted-2); font-size: 14px; padding: 10px 14px; }
+
+.lesson.empty {
+  grid-column: 1 / -1;
+  text-align: center;
+  color: var(--muted);
+  background: var(--surface-3);
+  border: 1px dashed var(--border-2);
+  font-weight: 600;
+  padding: 10px;
+}
+
+.window {
+  border-style: dashed;
+  color: var(--muted-2);
+  background: var(--surface);
+  text-align: center;
+}
+
+/* ---- поиск свободной аудитории ---- */
+.free-widget {
+  background: var(--surface-2);
+  border: 1px solid var(--border);
+  padding: 12px 14px;
+  margin-bottom: 18px;
+}
+
+.free-title {
+  font-size: 16px;
+  font-weight: 700;
+  margin-bottom: 8px;
+}
+
+.free-controls {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  flex-wrap: wrap;
+  margin-bottom: 10px;
+}
+
+.free-hint { font-size: 13px; color: var(--muted); }
+
+.free-controls select {
+  font-size: 14px;
+  padding: 6px 8px;
+  border: 1px solid var(--border-2);
+  background: var(--surface);
+  color: var(--text);
+}
+
+.free-list {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
+  gap: 8px;
+}
+
+.free-item {
+  text-align: left;
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+  padding: 8px 10px;
+  border: 1px solid var(--border);
+  background: var(--surface);
+  color: var(--text);
+  cursor: pointer;
+  font-family: inherit;
+}
+
+.free-item:hover { border-color: var(--accent); }
+
+.free-room { font-weight: 700; }
+
+.free-info { font-size: 12px; color: var(--muted); }
+
+.free-loading, .free-none { color: var(--muted); font-size: 14px; padding: 6px 0; }
+
+.error {
+  background: var(--error-bg);
+  color: var(--error-text);
+  border: 1px solid var(--error-border);
+  padding: 12px 16px;
+  margin-bottom: 16px;
+}
+
+.loading { color: var(--muted); text-align: center; padding: 30px; }
+
+.hidden { display: none; }
+
+/* ---- Мобильная версия: панель сверху ---- */
+@media (max-width: 860px) {
+  .layout { flex-direction: column; }
+
+  .side {
+    width: 100%;
+    position: static;
+    height: auto;
+    padding: 14px 16px;
+    flex-direction: row;
+    align-items: center;
+    gap: 14px;
+    flex-wrap: wrap;
+  }
+
+  .side-head {
+    text-align: left;
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    padding-bottom: 0;
+    border-bottom: none;
+  }
+
+  .side-logo { width: 52px; height: 52px; }
+  .side-name { margin-top: 0; font-size: 15px; }
+  .side-nav { padding: 0; flex: 1; min-width: 180px; }
+  .side-label { display: none; }
+  .side-footer { display: none; }
+
+  .side-menu {
+    flex-direction: row;
+    flex-wrap: wrap;
+    margin-bottom: 0;
+  }
+  .side-menu a {
+    border-left: none;
+    border-bottom: 2px solid transparent;
+    padding: 6px 8px;
+    font-size: 13px;
+  }
+  .side-menu a.active { border-bottom-color: #ffffff; }
+
+  main { padding: 16px 12px 30px; }
+  .period { grid-template-columns: 80px 1fr; gap: 10px; }
+}
+
+/* ---- занятость аудиторий по дню ---- */
+.rooms-controls {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin-bottom: 14px;
+}
+
+.rooms-controls select {
+  font-size: 15px;
+  padding: 6px 10px;
+  border: 1px solid var(--border-2);
+  background: var(--surface);
+  color: var(--text);
+}
+
+.rooms-scroll { overflow-x: auto; }
+
+.rooms-table {
+  border-collapse: collapse;
+  width: 100%;
+  min-width: 640px;
+  table-layout: fixed;
+  background: var(--surface);
+  font-size: 13px;
+}
+
+.rooms-table th:first-child,
+.rooms-table td:first-child { width: 170px; }
+
+.rooms-table th,
+.rooms-table td {
+  border: 1px solid var(--border);
+  padding: 6px 9px;
+  text-align: left;
+  vertical-align: top;
+}
+
+.rooms-table th {
+  background: var(--surface-3);
+  font-size: 12px;
+  font-weight: 700;
+  color: var(--text);
+  white-space: nowrap;
+}
+
+.r-name {
+  font-weight: 700;
+  width: 170px;
+  overflow-wrap: anywhere;
+}
+
+.r-name-info { font-weight: 400; color: var(--muted); font-size: 12px; margin-top: 2px; line-height: 1.35; }
+
+.r-cell { min-width: 90px; }
+
+.r-cell.r-free {
+  background: var(--surface);
+  color: var(--muted-2);
+  text-align: center;
+}
+
+.r-cell.r-busy { background: var(--badge-ch-bg); }
+
+.r-subj { font-weight: 600; color: var(--text); line-height: 1.3; }
+
+/* ---- аудитории: список карточками (мобильная версия) ---- */
+.rooms-list { display: flex; flex-direction: column; }
+
+.room-card {
+  background: var(--surface);
+  border: 1px solid var(--border);
+  padding: 14px;
+  margin-bottom: 12px;
+}
+
+.room-title { line-height: 1.3; }
+
+.room-info {
+  color: var(--muted);
+  font-size: 12px;
+  margin-top: 2px;
+}
+
+.room-row {
+  display: grid;
+  grid-template-columns: 96px 1fr;
+  gap: 12px;
+  padding: 10px 0;
+  border-top: 1px solid var(--border);
+  align-items: center;
+}
+
+.room-row-num { font-weight: 700; color: var(--text); }
+
+.room-row-body { min-width: 0; }
+
+.room-lesson {
+  font-weight: 600;
+  font-size: 14px;
+  color: var(--text);
+  margin-bottom: 6px;
+}
+
+.room-lesson:last-child { margin-bottom: 0; }
+
+
+
+.lesson-note {
+  color: var(--accent-red-bright);
+  font-size: 12px;
+  font-weight: 600;
+  margin-top: 4px;
+  white-space: pre-line;
+}