:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --bg: #f1f5f9;
  --sidebar: #0f172a;
  --sidebar-hover: #1e293b;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Segoe UI", "Microsoft YaHei", Roboto, sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
}

/* 登录页 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1e3a8a, #2563eb); }
.login-card { width: 380px; background: #fff; border-radius: 12px; padding: 36px 32px;
  box-shadow: 0 20px 50px rgba(0,0,0,.2); }
.login-card h1 { font-size: 22px; text-align: center; margin-bottom: 4px; color: var(--sidebar); }
.login-card .sub { text-align: center; color: var(--muted); margin-bottom: 24px; font-size: 13px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; outline: none; transition: border .15s; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--primary); }
.btn { width: 100%; padding: 11px; border: none; border-radius: 8px; background: var(--primary);
  color: #fff; font-size: 15px; cursor: pointer; transition: background .15s; }
.btn:hover { background: var(--primary-dark); }
.btn.block { width: 100%; }
.btn.sm { width: auto; padding: 6px 12px; font-size: 13px; }
.btn.ghost { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #b91c1c; }
.muted { color: var(--muted); }
.link { display: block; text-align: center; margin-top: 14px; color: var(--primary);
  font-size: 13px; cursor: pointer; text-decoration: none; }
.msg { font-size: 13px; margin-top: 12px; text-align: center; min-height: 18px; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--success); }

/* 后台布局 */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--sidebar); color: #cbd5e1; padding: 20px 0; flex-shrink: 0; }
.sidebar .brand { color: #fff; font-size: 18px; font-weight: 700; padding: 0 22px 18px; border-bottom: 1px solid #1e293b; display: flex; align-items: center; gap: 10px; }
.sidebar .nav-item { padding: 12px 22px; cursor: pointer; display: flex; align-items: center; gap: 10px; transition: background .15s; }
.sidebar .ico { width: 22px; text-align: center; flex-shrink: 0; font-size: 16px; line-height: 1; display: inline-flex; align-items: center; justify-content: center; }
.sidebar .label { flex: 1; }
.sidebar .nav-item:hover { background: var(--sidebar-hover); }
.sidebar .nav-item.active { background: var(--primary); color: #fff; }
.main { flex: 1; display: flex; flex-direction: column; }
.topbar { height: 56px; background: #fff; border-bottom: 1px solid var(--border); display: flex;
  align-items: center; justify-content: space-between; padding: 0 24px; }
.topbar .title { font-size: 16px; font-weight: 600; }
.topbar .user { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; }
.content { padding: 24px; }
.page { display: none; }
.page.active { display: block; }

/* 卡片与统计 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 18px; }
.stat-card .n { font-size: 28px; font-weight: 700; }
.stat-card .l { color: var(--muted); font-size: 13px; margin-top: 4px; }
.stat-card.blue .n { color: var(--primary); }
.stat-card.green .n { color: var(--success); }
.stat-card.orange .n { color: var(--warning); }
.stat-card.red .n { color: var(--danger); }

.panel { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 18px; }
.panel h3 { font-size: 15px; margin-bottom: 14px; display: flex; justify-content: space-between; align-items: center; }
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.toolbar select, .toolbar input { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--muted); font-weight: 600; background: #f8fafc; }
tbody tr:hover { background: #f8fafc; }

/* 徽章 */
.badge { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge.pending { background: #fef3c7; color: #b45309; }
.badge.in_progress { background: #dbeafe; color: #1d4ed8; }
.badge.completed { background: #dcfce7; color: #15803d; }
.badge.cancelled { background: #fee2e2; color: #b91c1c; }
.badge.approved { background: #dcfce7; color: #15803d; }
.badge.rejected { background: #fee2e2; color: #b91c1c; }

/* 审批卡片（复用移动端样式，PC 端展示用） */
.wo-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.wo-card .top { display: flex; justify-content: space-between; align-items: center; }
.wo-card .title { font-size: 14px; font-weight: 600; }
.wo-card .meta { font-size: 12px; color: var(--muted); margin-top: 6px; display: flex; gap: 12px; flex-wrap: wrap; }
.badge.pri-urgent { background: #fee2e2; color: #b91c1c; }
.badge.pri-high { background: #ffedd5; color: #c2410c; }
.badge.pri-normal { background: #e0f2fe; color: #0369a1; }
.badge.pri-low { background: #f1f5f9; color: #475569; }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(15,23,42,.5); display: none;
  align-items: center; justify-content: center; z-index: 50; }
.modal-mask.show { display: flex; }
.modal { width: 460px; max-width: 92vw; background: #fff; border-radius: 12px; padding: 24px; }
.modal h3 { margin-bottom: 16px; font-size: 16px; }
.modal .actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* 公告图片缩略图 */
.ann-thumbs { display: flex; flex-wrap: wrap; gap: 8px; }
.ann-thumb { position: relative; width: 88px; height: 88px; border-radius: 8px; overflow: hidden;
  border: 1px solid var(--border); background: #f8fafc; cursor: pointer; flex-shrink: 0; }
.ann-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ann-thumb .rm { position: absolute; top: 2px; right: 2px; width: 20px; height: 20px; border-radius: 50%;
  background: rgba(15,23,42,.7); color: #fff; border: none; font-size: 13px; line-height: 20px;
  text-align: center; cursor: pointer; padding: 0; }
.ann-thumb .rm:hover { background: var(--danger); }
.ann-readdot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.ann-readdot.read { background: var(--success); }
.ann-readdot.unread { background: #cbd5e1; }

/* 回收站星标 */
.btn.starred { background: #fef3c7; color: #b45309; border: 1px solid #f59e0b; }
.btn.starred:hover { background: #fde68a; }
tbody tr.starred-row { background: #fffbeb; }
tbody tr.starred-row:hover { background: #fef3c7; }

/* 微信绑定状态标签（员工列表） */
.tag { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.tag.tag-ok { background: #dcfce7; color: #15803d; }
.tag.tag-muted { background: #f1f5f9; color: #64748b; }

/* 员工列表微信提示条 + 宽表格横向滚动 */
.wx-tip {
  background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af;
  border-radius: 8px; padding: 10px 14px; font-size: 13px; line-height: 1.7;
  margin-bottom: 14px;
}
.wx-tip b { font-weight: 600; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll table { min-width: 980px; }