/* =============================================================
   校区教务管理系统 - 全局样式
   ============================================================= */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --sidebar-bg: #1e293b;
  --sidebar-active: #2563eb;
  --bg: #f1f5f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --green: #16a34a;
  --orange: #ea580c;
  --red: #dc2626;
  --radius: 8px;
}

html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* ---------- 布局 ---------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  color: #cbd5e1;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 20;
  flex-shrink: 0;
}
.sidebar .brand {
  padding: 18px 20px;
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: 8px;
}
.sidebar .brand .dot { width: 10px; height: 10px; border-radius: 50%; background: #4ade80; }
.sidebar .group { padding: 12px 20px 4px; font-size: 11px; color: #64748b; letter-spacing: .06em; text-transform: uppercase; }
.sidebar a.menu {
  display: block;
  padding: 10px 20px;
  color: #cbd5e1;
  font-size: 14px;
  border-left: 3px solid transparent;
}
.sidebar a.menu:hover { background: rgba(255,255,255,.06); color: #fff; }
.sidebar a.menu.active { background: var(--sidebar-active); color: #fff; border-left-color: #fff; }

.main {
  flex: 1;
  margin-left: 220px;
  padding: 20px 24px 40px;
  min-width: 0;
}

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 18px;
  margin-bottom: 18px;
}
.topbar .title { font-size: 18px; font-weight: 700; }
.topbar .user { color: var(--muted); font-size: 13px; display: flex; align-items: center; gap: 12px; }
.topbar .user .role-tag {
  background: #eef2ff; color: var(--primary-dark);
  padding: 2px 8px; border-radius: 12px; font-size: 12px;
}
.topbar .logout {
  color: var(--red); border: 1px solid #fecaca;
  padding: 4px 12px; border-radius: 6px; font-size: 13px;
}
.topbar .logout:hover { background: #fef2f2; }

/* ---------- 卡片与表格 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
}
.card h3 { font-size: 15px; margin-bottom: 12px; }
.card h3 .sub { font-size: 12px; color: var(--muted); font-weight: normal; margin-left: 8px; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
@media (max-width: 900px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.stat .label { color: var(--muted); font-size: 13px; }
.stat .value { font-size: 26px; font-weight: 700; margin-top: 4px; }
.stat .value.blue { color: var(--primary); }
.stat .value.green { color: var(--green); }
.stat .value.orange { color: var(--orange); }
.stat .value.purple { color: #7c3aed; }
/* 招生监管等页使用的通用网格与统计卡（.n=大数字 / .l=小标签） */
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.stat .n { font-size: 26px; font-weight: 700; margin-top: 4px; }
.stat .l { color: var(--muted); font-size: 13px; }
@media (max-width: 900px) { .grid2, .grid4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid4 { grid-template-columns: 1fr; } .grid2 { grid-template-columns: 1fr; } }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
th { background: #f8fafc; color: var(--muted); font-weight: 600; white-space: nowrap; }
tr:hover td { background: #f8fafc; }

.tag { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 12px; }
.tag.green { background: #dcfce7; color: var(--green); }
.tag.blue { background: #dbeafe; color: var(--primary-dark); }
.tag.gray { background: #e2e8f0; color: #475569; }
.tag.orange { background: #ffedd5; color: var(--orange); }
.tag.red { background: #fee2e2; color: var(--red); }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 900px) { .form-grid { grid-template-columns: 1fr; } }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.field .hint { font-size: 12px; color: var(--muted); margin-top: 3px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  background: var(--primary);
  color: #fff;
  text-align: center;
}
.btn:hover { background: var(--primary-dark); color: #fff; }
.btn.ghost { background: #fff; color: var(--text); border-color: var(--border); }
.btn.ghost:hover { background: #f1f5f9; }
.btn.danger { background: #fff; color: var(--red); border-color: #fecaca; }
.btn.danger:hover { background: #fef2f2; }
.btn.green { background: var(--green); }
.btn.green:hover { background: #15803d; }
.btn.sm { padding: 4px 10px; font-size: 12px; }
.btn-active, .btn.ghost.btn-active { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-active:hover, .btn.ghost.btn-active:hover { background: var(--primary-dark); color: #fff; }
.btn.orange { background: var(--orange); }
.btn.orange:hover { background: #c2410c; }

/* 下拉框模糊查询定位 */
.ss-box { width: 100%; box-sizing: border-box; margin-bottom: 4px; padding: 5px 10px;
          border: 1px solid #cbd5e1; border-radius: 6px; font-size: 13px; color: #334155; }
.ss-box:focus { border-color: var(--primary); outline: none; background: #f8fafc; }
.toolbar .ss-box { width: 160px; margin: 0 0 4px; }
.field .ss-box { width: 100%; }

/* ---------- 提示消息 ---------- */
.alert { padding: 11px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 14px; }
.alert.success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert.error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert.info { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

/* ---------- 刷卡消课页 ---------- */
.consume-box { max-width: 620px; margin: 0 auto; text-align: center; }
.consume-box .card-input {
  font-size: 34px;
  text-align: center;
  letter-spacing: 4px;
  padding: 16px;
  border: 2px solid var(--primary);
  border-radius: 8px;
  width: 100%;
}
.consume-result {
  margin-top: 18px;
  padding: 26px 20px;
  border-radius: 8px;
  font-size: 20px;
  font-weight: 600;
  min-height: 88px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: background .2s, color .2s;
}
.consume-result.green { background: #dcfce7; color: #166534; }
.consume-result.orange { background: #ffedd5; color: #9a3412; }
.consume-result.gray { background: #f1f5f9; color: #475569; }
.consume-result .small { font-size: 13px; font-weight: normal; margin-top: 6px; color: inherit; opacity: .8; }

/* ---------- 登录页 ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #1e293b, #2563eb); }
.login-card {
  background: #fff; border-radius: 12px; padding: 34px 40px; width: 380px;
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.login-card h1 { font-size: 20px; text-align: center; margin-bottom: 4px; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 22px; }
.login-card .field { margin-bottom: 14px; }
.login-card .btn { width: 100%; padding: 11px; font-size: 15px; }

/* ---------- 其它 ---------- */
.toolbar { display: flex; gap: 10px; align-items: flex-end; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar .field { min-width: 160px; }
.text-right { text-align: right; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mt { margin-top: 14px; }
.mb { margin-bottom: 14px; }
.empty { text-align: center; color: var(--muted); padding: 26px 0; }
.pagination { margin-top: 12px; display: flex; gap: 6px; align-items: center; }
.pagination a, .pagination span { padding: 4px 10px; border: 1px solid var(--border); border-radius: 5px; font-size: 13px; }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }
.weekday-chk { display: flex; gap: 8px; flex-wrap: wrap; }
.weekday-chk label { display: inline-flex; align-items: center; gap: 4px; background: #f8fafc; border: 1px solid var(--border); padding: 4px 10px; border-radius: 6px; cursor: pointer; font-size: 13px; }
.weekday-chk input:checked + span { color: var(--primary-dark); font-weight: 600; }
.weekday-chk .wd-time { display: inline-flex; align-items: center; gap: 6px; }
.weekday-chk .wd-chk { white-space: nowrap; }
.weekday-chk .wd-t { width: 150px; padding: 4px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }

/* ---------- 照片（教师个人照片） ---------- */
.avatar { width: 40px; height: 40px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); display: inline-block; vertical-align: middle; }
.photo-preview { margin-bottom: 6px; }
.photo-preview img { width: 88px; height: 110px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }
.photo-remove { font-size: 13px; color: #c0392b; display: inline-flex; align-items: center; gap: 4px; margin-right: 10px; }

/* ---------- 打印报表 ---------- */
@media print {
  body { background: #fff; }
  .sidebar, .topbar, .toolbar, .pagination, .btn, .logout, .alert, .consume-result { display: none !important; }
  .layout { display: block; }
  .main { margin-left: 0; padding: 0; }
  .card { border: none; padding: 0; margin-bottom: 16px; }
  table { font-size: 11px; }
  th, td { border: 1px solid #999 !important; padding: 5px 6px; }
  tr { page-break-inside: avoid; }
}