:root {
  --bg: #f4f6f5;
  --side: #0f2e2a;
  --side-2: #143b35;
  --brand: #0e7c66;
  --brand-2: #14a88a;
  --text: #1f2a28;
  --muted: #7a8784;
  --line: #e4e9e7;
  --white: #fff;
  --danger: #d9534f;
  --warn: #f0ad4e;
  --ok: #5cb85c;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--brand); text-decoration: none; }

/* 登录 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #0f2e2a, #0e7c66); }
.login-card { width: 360px; background: #fff; border-radius: 14px; padding: 34px 30px; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.login-card h1 { font-size: 22px; color: var(--brand); margin-bottom: 4px; }
.login-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 22px; }
.login-card input { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 9px; margin-bottom: 14px; font-size: 14px; }
.login-card button { width: 100%; padding: 12px; background: var(--brand); color: #fff; border: 0; border-radius: 9px; font-size: 15px; cursor: pointer; }
.login-card button:hover { background: var(--brand-2); }
.login-err { color: var(--danger); font-size: 13px; min-height: 18px; margin-bottom: 8px; }

/* 布局 */
.admin { display: flex; min-height: 100vh; }
.side { width: 220px; background: var(--side); color: #cfe9e1; padding: 18px 0; flex-shrink: 0; }
.side .logo { color: #fff; font-size: 18px; font-weight: 700; padding: 0 20px 16px; border-bottom: 1px solid var(--side-2); margin-bottom: 10px; }
.side a { display: block; padding: 11px 20px; color: #cfe9e1; font-size: 14px; cursor: pointer; border-left: 3px solid transparent; }
.side a:hover { background: var(--side-2); }
.side a.active { background: var(--side-2); border-left-color: var(--brand-2); color: #fff; }
.main { flex: 1; display: flex; flex-direction: column; }
.topbar { height: 56px; background: #fff; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; padding: 0 22px; }
.topbar .title { font-size: 16px; font-weight: 600; }
.topbar .user { font-size: 13px; color: var(--muted); }
.topbar .user b { color: var(--text); }
.btn-out { background: #f4f6f5; border: 1px solid var(--line); border-radius: 7px; padding: 6px 12px; cursor: pointer; font-size: 13px; }
.content { padding: 22px; overflow: auto; flex: 1; }

/* 卡片/统计 */
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); gap: 14px; margin-bottom: 20px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.stat .n { font-size: 26px; font-weight: 700; color: var(--brand); }
.stat .l { color: var(--muted); font-size: 13px; margin-top: 4px; }
.charts { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 20px; }
.chart-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; flex: 1; min-width: 280px; }
.chart-card h3 { font-size: 14px; margin-bottom: 10px; }

/* 表格 */
.panel { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; align-items: center; }
.toolbar input { padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 13px; flex: 1; max-width: 280px; }
.btn { background: var(--brand); color: #fff; border: 0; border-radius: 8px; padding: 8px 16px; cursor: pointer; font-size: 13px; }
.btn:hover { background: var(--brand-2); }
.btn.sm { padding: 5px 10px; font-size: 12px; }
.btn.ghost { background: #fff; border: 1px solid var(--line); color: var(--text); }
.btn.danger { background: var(--danger); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; background: #fafbfa; }
tr:hover td { background: #fafbfa; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 12px; background: #e8f4f0; color: var(--brand); }
.tag.warn { background: #fdf3e0; color: #b8860b; }
.tag.danger { background: #fbeaea; color: var(--danger); }
.pager { display: flex; gap: 8px; align-items: center; margin-top: 14px; font-size: 13px; color: var(--muted); }

/* Modal */
.mask { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: none; align-items: center; justify-content: center; z-index: 50; }
.mask.show { display: flex; }
.modal { background: #fff; border-radius: 12px; width: 460px; max-width: 92vw; max-height: 88vh; overflow: auto; padding: 20px 22px; }
.modal h3 { font-size: 16px; margin-bottom: 16px; }
.modal .frow { margin-bottom: 12px; }
.modal label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }
.modal input, .modal select, .modal textarea { width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; font-size: 13px; }
.modal .acts { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }