:root {
  --bg: #f4f6f8;
  --card: #fff;
  --border: #d9e0e7;
  --text: #1a2332;
  --muted: #5c6b7a;
  --primary: #0b6bcb;
  --ok: #0a7a3e;
  --danger: #b42318;
  --chip: #e8f1fb;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font: 14px/1.5 var(--sans); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.app-header {
  background: linear-gradient(135deg, #0b3d6e, #0b6bcb);
  color: #fff; padding: 16px 20px; display: flex; gap: 16px; align-items: center; justify-content: space-between; flex-wrap: wrap;
}
.app-header h1 { margin: 0; font-size: 18px; font-weight: 650; letter-spacing: .02em; }
.app-header .sub { opacity: .85; font-size: 12px; margin-top: 2px; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.btn {
  border: 1px solid transparent; background: #fff; color: var(--text);
  border-radius: 8px; padding: 7px 12px; box-shadow: var(--shadow);
}
.btn-primary { background: #fff; color: var(--primary); font-weight: 600; }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.25); box-shadow: none; }
.btn-ghost:hover { background: rgba(255,255,255,.2); }
.btn-danger { color: var(--danger); }
.btn-sm { padding: 4px 8px; font-size: 12px; border-radius: 6px; border: 1px solid var(--border); background: #fff; box-shadow: none; }

.summary-bar {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 0 14px;
  max-width: 1280px; margin: 0 auto;
}
@media (max-width: 900px) { .summary-bar { grid-template-columns: repeat(2, 1fr); } }
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 12px; box-shadow: var(--shadow);
}
.stat .label { color: var(--muted); font-size: 12px; }
.stat .value { font-size: 18px; font-weight: 700; font-family: var(--mono); margin-top: 2px; }

.controls-bar {
  max-width: 1280px; margin: 12px auto 0; padding: 0 14px;
  display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap;
}
.tabs { display: flex; gap: 6px; }
.tab {
  border: 1px solid var(--border); background: #fff; border-radius: 999px;
  padding: 5px 12px; color: var(--muted);
}
.tab.active { background: var(--chip); color: var(--primary); border-color: #b7d4f5; font-weight: 600; }
.inline-tools { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.page-hint { max-width: 1280px; margin: 8px auto; padding: 0 14px; }
.empty-state {
  max-width: 1280px; margin: 12px auto; padding: 20px 14px;
  background: var(--card); border: 1px dashed var(--border); border-radius: var(--radius);
}
.warn-box {
  background: #fff8e6; border: 1px solid #f0d48a; color: #7a5b00;
  border-radius: 8px; padding: 8px 10px; font-size: 12px; margin-top: 10px;
}

.emp-cards {
  max-width: 1280px; margin: 0 auto 20px; padding: 0 14px;
  display: flex; flex-direction: column; gap: 12px;
}

.emp-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.emp-card.collapsed .emp-card-bd { display: none; }
.emp-card-hd {
  padding: 10px 14px; background: #fafbfc; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  cursor: pointer; user-select: none;
}
.emp-card-hd:hover { background: #f3f6f9; }
.emp-card-hd .left { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.emp-card-hd .name { font-size: 16px; font-weight: 700; }
.emp-card-hd .attend { color: var(--muted); font-size: 12px; }
.emp-card-hd .pay-sum { font-family: var(--mono); font-weight: 700; color: var(--ok); font-size: 15px; }
.emp-card-hd .chev { color: var(--muted); font-size: 12px; margin-right: 4px; }
.emp-card-bd { padding: 12px 14px 16px; }

.meta-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 12px;
}
@media (max-width: 800px) { .meta-grid { grid-template-columns: 1fr 1fr; } }
.field label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.field input, .field select {
  width: 100%; border: 1px solid var(--border); border-radius: 8px; padding: 7px 9px; background: #fff;
}

.section-title {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  margin: 14px 0 8px; padding-top: 8px; border-top: 1px solid var(--border);
}
.section-title h3 { margin: 0; font-size: 13px; font-weight: 650; }
.hint { color: var(--muted); font-size: 12px; }

table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--border); padding: 6px 6px; text-align: left; vertical-align: middle; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: #fafbfc; }
td input, td select { width: 100%; border: 1px solid var(--border); border-radius: 6px; padding: 5px 6px; }
.num { font-family: var(--mono); text-align: right; }
.amt-pos { color: var(--ok); }
.amt-neg { color: var(--danger); }
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 8px; }
.row-actions { white-space: nowrap; width: 44px; }

.pill {
  display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 999px;
  background: #eef2f6; color: var(--muted);
}
.pill.ws { background: #e8f1fb; color: var(--primary); }
.pill.bl { background: #eaf7ef; color: var(--ok); }

.totals-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-top: 14px;
}
@media (max-width: 700px) { .totals-row { grid-template-columns: 1fr; } }
.sign-box {
  border: 1px dashed #9ab;
  border-radius: 8px;
  padding: 12px 14px;
  background: #f7fbff;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin-top: 12px;
}
.sign-box .sign-line {
  font-size: 15px; letter-spacing: .08em;
  min-width: 220px;
  border-bottom: 1px solid #334;
  padding-bottom: 2px;
}
.sign-box .net-label { color: var(--muted); font-size: 12px; }
.sign-box .net-value { font-family: var(--mono); font-size: 20px; font-weight: 700; color: var(--ok); }

.model-wrap { position: relative; }
.suggest {
  position: absolute; left: 0; right: 0; top: 100%; z-index: 20;
  background: #fff; border: 1px solid var(--border); border-radius: 8px;
  max-height: 180px; overflow: auto; box-shadow: var(--shadow); display: none;
}
.suggest.open { display: block; }
.suggest div {
  padding: 6px 8px; cursor: pointer; font-size: 12px;
  display: flex; justify-content: space-between; gap: 8px;
}
.suggest div:hover, .suggest div.active { background: var(--chip); }
.suggest .p { font-family: var(--mono); color: var(--muted); }

.footer-note {
  max-width: 1280px; margin: 8px auto 24px; padding: 0 14px;
  color: var(--muted); font-size: 12px;
}
.hidden { display: none !important; }
.period-input { width: 140px; }
input[type=number] { font-family: var(--mono); }

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(16,24,40,.45); display: flex;
  align-items: center; justify-content: center; z-index: 50; padding: 16px;
}
.modal {
  background: #fff; border-radius: 12px; width: min(920px, 100%); max-height: 90vh;
  overflow: auto; box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.modal-hd { padding: 14px 16px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-bd { padding: 16px; }
.field-row { display: grid; grid-template-columns: 110px 1fr; gap: 8px; align-items: center; margin-bottom: 8px; }
.field-row label { color: var(--muted); font-size: 12px; }
.toast {
  position: fixed; right: 16px; bottom: 16px; background: #123; color: #fff;
  padding: 10px 14px; border-radius: 8px; z-index: 60; opacity: 0; transform: translateY(8px);
  transition: .2s; pointer-events: none;
}
.toast.show { opacity: 1; transform: none; }