:root {
  --primary: #3d7eff;
  --bg: #f5f6fa;
  --border: #e5e7eb;
  --text: #222;
  --muted: #9aa0ac;
  --ok: #2eb872;
  --warn: #f08a24;
  --danger: #e25555;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }
.muted { color: var(--muted); }
.err { color: var(--danger); }

/* 登录 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { background: #fff; padding: 36px 40px; border-radius: 12px; box-shadow: 0 8px 30px rgba(0,0,0,.08); width: 360px; }
.login-card h1 { font-size: 22px; margin: 0 0 4px; }
.login-card p { margin: 4px 0 16px; }

.field { display: block; margin-bottom: 14px; }
.field span { display: block; margin-bottom: 6px; color: #555; }
.field input, .field select, .field textarea { width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; }
.field input:focus, .field select:focus { outline: 2px solid #d6e4ff; border-color: var(--primary); }

.btn { display: inline-block; padding: 9px 18px; border: none; border-radius: 8px; font-size: 14px; cursor: pointer; background: #eef1f5; color: #333; }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; width: 100%; margin-top: 6px; }
.btn-ghost { background: #fff; border: 1px solid var(--primary); color: var(--primary); }
.btn-danger { background: #fff; border: 1px solid var(--danger); color: var(--danger); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn + .btn { margin-left: 8px; }

/* 布局 */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 200px; background: #1f2430; color: #cfd4e0; padding: 16px 12px; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { font-size: 17px; font-weight: 700; color: #fff; padding: 6px 10px 18px; }
.nav a { display: block; padding: 11px 12px; margin-bottom: 4px; border-radius: 8px; color: #cfd4e0; text-decoration: none; }
.nav a.active, .nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.side-bottom { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding: 10px; }
.side-bottom span { font-size: 13px; color: #9aa0ac; }
.side-bottom .btn-ghost { border-color: #555; color: #cfd4e0; }

.content { flex: 1; padding: 24px 28px; }
.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.page-head h2 { margin: 0; }

/* 卡片/表格 */
.card { background: #fff; border-radius: 12px; box-shadow: 0 1px 3px rgba(0,0,0,.05); padding: 20px; margin-bottom: 20px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 10px; border-bottom: 1px solid #f0f1f4; font-size: 13px; vertical-align: middle; }
th { color: #6b7280; font-weight: 600; background: #fafbfc; }
tr:hover td { background: #f8faff; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 10px; font-size: 12px; }
.badge-pending_payment { background: #fff3e0; color: var(--warn); }
.badge-paid { background: #eef3ff; color: var(--primary); }
.badge-assigned { background: #eef3ff; color: var(--primary); }
.badge-in_progress { background: #e3f6f1; color: #12b886; }
.badge-completed { background: #e9f7ee; color: var(--ok); }
.badge-cancelled { background: #f0f1f3; color: var(--muted); }
.badge-disputed { background: #fdecec; color: var(--danger); }
.badge-applied { background: #fff3e0; color: var(--warn); }
.badge-approved { background: #e9f7ee; color: var(--ok); }
.badge-rejected { background: #fdecec; color: var(--danger); }
.badge-suspended { background: #f0f1f3; color: var(--muted); }

.status-label { font-size: 12px; color: var(--muted); }
.amount { font-weight: 700; color: #ff6b35; }
.empty { color: var(--muted); text-align: center; padding: 40px 0; }

/* 详情行 */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 20px; }
.detail-grid .row { padding: 8px 0; border-bottom: 1px dashed #eef0f3; }
.detail-grid .label { color: var(--muted); font-size: 12px; }
.detail-grid .val { font-size: 14px; word-break: break-all; }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: none; align-items: center; justify-content: center; z-index: 50; }
.modal-mask.open { display: flex; }
.modal { background: #fff; border-radius: 12px; padding: 24px; width: 520px; max-width: 92vw; max-height: 86vh; overflow: auto; }
.modal h3 { margin: 0 0 16px; }
.modal .actions { margin-top: 18px; display: flex; justify-content: flex-end; gap: 8px; }

/* 工具 */
.row { display: flex; gap: 8px; align-items: center; }
.row-between { justify-content: space-between; }
.mt-12 { margin-top: 12px; }
.mb-8 { margin-bottom: 8px; }
.gap-8 { gap: 8px; }
.flex-1 { flex: 1; }
.small { font-size: 12px; }
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.toolbar input, .toolbar select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; }