/* ============ 基础 ============ */
:root {
  --primary: #ff6b35;
  --primary-dark: #e8551f;
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1f2329;
  --muted: #8a919f;
  --border: #e8eaef;
  --green: #22a06b;
  --red: #e5484d;
  --amber: #f5a623;
  --blue: #2b6cb0;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.5; -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }

/* ============ 布局 ============ */
.page { max-width: 1080px; margin: 0 auto; padding: 20px 16px 60px; }
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: #fff; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
}
.brand { font-weight: 700; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.brand .logo {
  width: 30px; height: 30px; border-radius: 8px; background: var(--primary);
  color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 800;
}
.topbar .right { display: flex; align-items: center; gap: 10px; }
.userchip { color: var(--muted); font-size: 13px; }
.btn-plain {
  background: none; border: none; color: var(--primary); cursor: pointer; font-size: 14px; padding: 4px 8px;
}

/* 页签导航 */
.tabs { display: flex; gap: 4px; overflow-x: auto; padding: 10px 16px 0; background: #fff; border-bottom: 1px solid var(--border); }
.tabs .tab {
  flex: 0 0 auto; padding: 9px 16px; cursor: pointer; color: var(--muted);
  border-bottom: 2px solid transparent; font-size: 14px; white-space: nowrap;
}
.tabs .tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* ============ 卡片 ============ */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 16px; }
.card .card-head { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.card .card-head h3 { margin: 0; font-size: 15px; }
.card .card-body { padding: 16px 18px; }
.card .card-body > * + * { margin-top: 14px; }

/* 概览统计卡 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.stat .label { font-size: 13px; color: var(--muted); }
.stat .value { font-size: 24px; font-weight: 700; margin-top: 6px; }
.stat .sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.stat.primary .value { color: var(--primary); }
.stat.green .value { color: var(--green); }
.stat.red .value { color: var(--red); }
.stat.blue .value { color: var(--blue); }

/* ============ 表格 ============ */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 620px; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 13px; background: #fafbfc; }
tbody tr:hover { background: #fafbfc; }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* 徽章 */
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge.active { background: #e7f7ef; color: var(--green); }
.badge.used { background: #eef1f6; color: var(--muted); }
.badge.expired, .badge.disabled { background: #fdecec; color: var(--red); }
.badge.role-boss { background: #fff2e8; color: var(--primary); }
.badge.role-employee { background: #e8f0fb; color: var(--blue); }
.badge.on { background: #e7f7ef; color: var(--green); }
.badge.off { background: #fdecec; color: var(--red); }

/* ============ 按钮 ============ */
.btn {
  border: none; border-radius: 8px; padding: 9px 16px; font-size: 14px; cursor: pointer;
  background: var(--primary); color: #fff; font-weight: 600; transition: opacity .15s;
}
.btn:hover { opacity: .9; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.secondary { background: #eef0f4; color: var(--text); }
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn.green { background: var(--green); }
.btn.danger { background: var(--red); }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* ============ 表单 ============ */
.field { margin-bottom: 14px; }
.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; font-family: inherit; background: #fff; color: var(--text);
}
.field textarea { min-height: 64px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid #ffd6c7; border-color: var(--primary); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.hint { font-size: 12px; color: var(--muted); }
.radio-row { display: flex; gap: 16px; align-items: center; }
.radio-row label { display: flex; align-items: center; gap: 6px; color: var(--text); margin: 0; }

/* ============ 模态框 ============ */
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 100;
  display: none; align-items: center; justify-content: center; padding: 16px;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff; border-radius: 14px; width: 100%; max-width: 520px; max-height: 90vh;
  overflow: auto; padding: 20px; box-shadow: 0 10px 40px rgba(0,0,0,.15);
}
.modal h3 { margin: 0 0 16px; font-size: 17px; }
.modal .actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }

/* ============ 通知 ============ */
.toast {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%); z-index: 200;
  background: #2b2f36; color: #fff; padding: 10px 20px; border-radius: 8px; font-size: 14px;
  box-shadow: 0 4px 16px rgba(0,0,0,.2); opacity: 0; pointer-events: none; transition: opacity .2s;
}
.toast.show { opacity: 1; }
.toast.success { background: var(--green); }
.toast.error { background: var(--red); }

/* ============ 登录页 ============ */
.login-body { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #fff7f2 0%, #ffede5 100%); padding: 16px; }
.login-card { background: #fff; border-radius: 16px; box-shadow: 0 8px 30px rgba(0,0,0,.08); padding: 32px 28px; width: 100%; max-width: 380px; }
.login-card .logo { width: 52px; height: 52px; border-radius: 14px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 26px; font-weight: 800; margin: 0 auto 12px; }
.login-card h1 { text-align: center; font-size: 20px; margin: 0 0 4px; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 24px; }

/* ============ 客户页 ============ */
.cust-body { background: #f0f1f4; }
.cust-header { background: linear-gradient(135deg, var(--primary) 0%, #ff8f5a 100%); color: #fff; padding: 22px 18px 64px; }
.cust-header .name { font-size: 20px; font-weight: 700; }
.cust-header .phone { opacity: .85; font-size: 13px; margin-top: 2px; }
.cust-balance-wrap { margin-top: -46px; padding: 0 16px; }
.balance-card { background: #fff; border-radius: 14px; box-shadow: 0 6px 20px rgba(0,0,0,.08); padding: 20px; text-align: center; }
.balance-card .label { color: var(--muted); font-size: 13px; }
.balance-card .amount { font-size: 34px; font-weight: 800; color: var(--primary); margin-top: 4px; }
.balance-card .amount small { font-size: 16px; }
.balance-stats { display: flex; justify-content: space-around; margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--border); }
.balance-stats div { text-align: center; }
.balance-stats .n { font-size: 17px; font-weight: 700; }
.balance-stats .t { font-size: 12px; color: var(--muted); }
.vlist { padding: 16px; }
.section-title { font-size: 14px; font-weight: 600; color: var(--muted); margin: 6px 0 10px; }
.voucher {
  background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px;
  margin-bottom: 12px; box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.voucher.grey { opacity: .62; }
.voucher .top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.voucher .vname { font-weight: 700; font-size: 15px; }
.voucher .vamt { font-size: 20px; font-weight: 800; color: var(--primary); white-space: nowrap; }
.voucher .vamt small { font-size: 12px; font-weight: 400; }
.voucher .meta { color: var(--muted); font-size: 12px; margin-top: 6px; }
.voucher .cond { color: var(--text); font-size: 13px; margin-top: 8px; background: #fafbfc; padding: 8px 10px; border-radius: 8px; }
.voucher .actions { margin-top: 10px; }

/* ============ 核销页 ============ */
.redeem-center { min-height: 100vh; display: flex; align-items: flex-start; justify-content: center; padding: 24px 16px; }
.redeem-box { max-width: 480px; width: 100%; }
.redeem-result { text-align: center; padding: 30px 20px; }
.redeem-result .big { font-size: 30px; font-weight: 800; color: var(--primary); }
.redeem-result .ok { color: var(--green); }

/* 简易图表 */
.chart-bars { display: flex; align-items: flex-end; gap: 6px; height: 160px; }
.chart-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.chart-col .pair { display: flex; gap: 3px; align-items: flex-end; height: 120px; width: 100%; justify-content: center; }
.chart-col .bar { width: 40%; border-radius: 3px 3px 0 0; }
.bar.issue { background: var(--primary); }
.bar.redeem { background: var(--green); }
.chart-col .day { font-size: 11px; color: var(--muted); }
.legend { display: flex; gap: 18px; font-size: 13px; color: var(--muted); justify-content: center; margin-top: 8px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 4px; }
.legend .li { background: var(--primary); }
.legend .lr { background: var(--green); }
.type-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.type-bar-row .nm { width: 130px; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.type-bar { height: 14px; border-radius: 4px; background: var(--primary); min-width: 4px; }
.type-bar-row .val { font-size: 13px; font-weight: 600; margin-left: auto; }

.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.filter-bar input, .filter-bar select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; background: #fff; }

/* 响应式 */
@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .stat .value { font-size: 20px; }
  .topbar { padding: 10px 12px; }
}