:root {
  --primary: #0b5394;
  --primary-dark: #083d6e;
  --accent: #c0392b;
  --bg: #f4f6f9;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #dbe2ea;
  --ok: #1e8e5a;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.55; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* header */
.site-header { background: var(--card); border-bottom: 3px solid var(--primary); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; gap: 12px; flex-wrap: wrap; }
.logo { display: flex; gap: 12px; align-items: center; color: var(--text); }
.logo:hover { text-decoration: none; }
.logo-badge { background: var(--primary); color: #fff; font-weight: 700; font-size: 20px; border-radius: 10px; width: 54px; height: 54px; display: flex; align-items: center; justify-content: center; }
.logo-text strong { display: block; font-size: 17px; }
.logo-text span { font-size: 12.5px; color: var(--muted); }
.header-right { display: flex; gap: 8px; align-items: center; }
.inline { display: inline; }
.main-nav { background: var(--primary); }
.nav-inner { display: flex; flex-wrap: wrap; }
.nav-link { color: #dbe9ff; padding: 10px 14px; font-size: 14.5px; font-weight: 500; }
.nav-link:hover { background: var(--primary-dark); color: #fff; text-decoration: none; }

/* buttons */
.btn { display: inline-block; border: 1px solid transparent; border-radius: 8px; padding: 8px 16px; font-size: 14px; cursor: pointer; background: #e8eef6; color: var(--text); font-weight: 500; }
.btn:hover { text-decoration: none; filter: brightness(0.97); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline-light { background: transparent; border-color: #fff; color: #fff; }
.btn-ghost { background: transparent; color: var(--primary); }
.btn-danger { background: var(--accent); color: #fff; }
.btn-small { padding: 4px 10px; font-size: 13px; }
.btn-block { width: 100%; }

/* main */
.main-content { padding: 28px 16px 60px; min-height: 60vh; }
h1 { font-size: 26px; margin-bottom: 18px; }
h2 { font-size: 20px; margin: 22px 0 12px; }

/* hero */
.hero { background: linear-gradient(135deg, var(--primary), #14548f); color: #fff; border-radius: 14px; padding: 38px 30px; margin-bottom: 30px; }
.hero h1 { color: #fff; font-size: 28px; margin-bottom: 10px; }
.hero p { max-width: 720px; margin-bottom: 18px; opacity: .92; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* grids */
.grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 28px; }
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } }

/* news */
.news-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; margin-bottom: 14px; }
.news-card h3 { font-size: 16.5px; margin: 4px 0 6px; }
.news-date { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.more-link { font-weight: 600; }
.quick-links { list-style: none; }
.quick-links li { border-bottom: 1px solid var(--border); }
.quick-links a { display: block; padding: 10px 4px; }

/* prose */
.prose p { margin-bottom: 10px; }
.muted { color: var(--muted); font-size: 13.5px; }

/* files */
.file-cats { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; margin-bottom: 24px; }
.file-cat { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; color: var(--text); display: flex; flex-direction: column; gap: 4px; }
.file-cat:hover { border-color: var(--primary); text-decoration: none; }
.file-cat.active { border-color: var(--primary); background: #eef4fb; }
.file-cat span { font-size: 12.5px; color: var(--muted); }

/* tables */
.table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14.5px; }
.table th { background: #eef2f7; font-size: 13px; text-transform: uppercase; letter-spacing: .3px; color: var(--muted); }
.table tr:last-child td { border-bottom: 0; }

/* staff */
.staff-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.staff-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.staff-card img { width: 100%; max-height: 220px; object-fit: cover; border-radius: 8px; margin-bottom: 10px; }

/* gallery */
.album-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.album-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; color: var(--text); }
.album-card:hover { text-decoration: none; border-color: var(--primary); }
.album-card img { width: 100%; height: 150px; object-fit: cover; }
.album-info { padding: 10px 12px; display: flex; justify-content: space-between; gap: 8px; }
.album-info span { color: var(--muted); font-size: 13px; }
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.photo-item { background: var(--card); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; display: block; position: relative; }
.photo-item img { width: 100%; height: 160px; object-fit: cover; display: block; }

/* videos */
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.video-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; padding-bottom: 10px; }
.video-embed { position: relative; padding-top: 56.25%; }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.video-card h3 { font-size: 15px; padding: 10px 12px 0; }

/* ===== SCHEDULE ===== */
.group-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin-bottom: 26px; }
.group-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px; color: var(--text); display: flex; flex-direction: column; gap: 6px; }
.group-card:hover { border-color: var(--primary); text-decoration: none; }
.ical-link { color: var(--muted); }

.changes-box { background: #fff7ed; border: 1px solid #fdba74; border-radius: 10px; padding: 14px 16px; margin-bottom: 18px; }
.change-item { padding: 6px 0; border-top: 1px dashed #fdba74; }
.change-item:first-of-type { border-top: 0; }
.change-date { font-weight: 700; color: var(--accent); margin-right: 8px; }

.sched-toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.sched-nav { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }

.week-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; }
@media (max-width: 1100px) { .week-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px) { .week-grid { grid-template-columns: 1fr; } }
.day-col { background: var(--card); border: 1px solid var(--border); border-radius: 10px; min-height: 140px; padding: 8px; }
.day-col.today { border: 2px solid var(--primary); }
.day-head { display: flex; justify-content: space-between; align-items: center; padding: 4px 4px 8px; border-bottom: 1px solid var(--border); margin-bottom: 8px; font-size: 13px; font-weight: 600; }
.day-date { color: var(--muted); font-weight: 500; }
.today-badge { background: var(--primary); color: #fff; border-radius: 6px; padding: 1px 7px; }
.no-lessons { color: var(--muted); text-align: center; padding: 18px 0; }
.lesson { border-left: 3px solid var(--primary); background: #f4f8fd; border-radius: 6px; padding: 8px; margin-bottom: 8px; font-size: 13px; }
.lesson.type-лекция { border-color: #7c3aed; }
.lesson.type-практика, .lesson.type-практическое занятие { border-color: #1e8e5a; }
.lesson.type-семинар { border-color: #d97706; }
.lesson.type-экзамен, .lesson.type-зачет { border-color: var(--accent); }
.lesson-time { font-weight: 700; font-size: 12.5px; color: var(--primary); }
.lesson-subject { margin: 3px 0; }
.lesson-type { display: inline-block; font-size: 11px; background: #e2e8f0; border-radius: 4px; padding: 1px 6px; color: var(--muted); }
.lesson-meta { color: var(--muted); font-size: 12px; }
.list-date { margin-top: 24px; }

/* ===== ADMIN ===== */
.admin-layout { display: grid; grid-template-columns: 220px 1fr; gap: 24px; }
@media (max-width: 800px) { .admin-layout { grid-template-columns: 1fr; } }
.admin-side { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 10px; align-self: start; }
.admin-side a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--text); font-size: 14.5px; }
.admin-side a:hover { background: #eef2f7; text-decoration: none; }
.admin-side a.active { background: var(--primary); color: #fff; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin-bottom: 24px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.stat-card strong { font-size: 26px; display: block; }
.stat-card span { color: var(--muted); font-size: 13px; }

form.panel { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 18px; }
form.panel label { display: block; font-size: 13.5px; font-weight: 600; margin: 10px 0 4px; }
form.panel input[type=text], form.panel input[type=password], form.panel input[type=email],
form.panel input[type=date], form.panel input[type=time], form.panel input[type=file],
form.panel select, form.panel textarea {
  width: 100%; max-width: 640px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-family: inherit; background: #fff;
}
form.panel textarea { min-height: 120px; }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row > div { flex: 1; min-width: 180px; }
.error { background: #fde8e8; border: 1px solid #f5b5b5; color: var(--accent); border-radius: 8px; padding: 10px 12px; margin-bottom: 12px; }

/* login */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--primary); }
.login-box { background: #fff; border-radius: 14px; padding: 34px; width: 380px; max-width: 92vw; }
.login-box h1 { font-size: 20px; text-align: center; margin-bottom: 16px; }
.login-box label { display: block; font-size: 13.5px; font-weight: 600; margin: 12px 0 4px; }
.login-box input { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 15px; }
.login-box button { margin-top: 18px; }

/* footer */
.site-footer { background: #10202f; color: #c8d4e0; padding: 26px 0; font-size: 14px; margin-top: 40px; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.site-footer a { color: #9cc3f0; }

/* pagination */
.pagination { display: flex; gap: 16px; align-items: center; margin-top: 18px; }