* { box-sizing: border-box; }

:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #e3e6ea;
  --text: #1f2430;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --green: #16a34a;
  --red: #dc2626;
}

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
}
.topbar h1 { margin: 0; font-size: 20px; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
}
.card .label { color: var(--muted); font-size: 13px; }
.card .value { font-size: 26px; font-weight: 700; margin-top: 6px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}
.panel h2 { margin: 0 0 16px; font-size: 16px; }

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-end;
}
.row label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
.row label.check {
  flex-direction: row;
  align-items: center;
  gap: 6px;
  color: var(--text);
}
.row input, .row select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  min-width: 120px;
}

button {
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  background: #fff;
}
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:hover { background: var(--primary-hover); }
button.ghost { background: transparent; }

.preview { margin-top: 14px; font-size: 14px; color: var(--muted); }

.filters { display: flex; gap: 10px; margin-bottom: 12px; align-items: center; flex-wrap: wrap; }
.filters select, .filters input { padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; }
.filters .sep { color: var(--muted); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td {
  text-align: left;
  padding: 10px 10px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}
th:last-child, td:last-child { border-right: none; }
th { color: var(--muted); font-weight: 600; background: #f7f8fa; }
td.num, th.num { text-align: right; }
th.center, td.center { text-align: center; }
.tag { padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.tag.in { background: #dcfce7; color: var(--green); }
.tag.out { background: #fee2e2; color: var(--red); }
.link-del { color: var(--red); background: none; border: none; cursor: pointer; font-size: 13px; padding: 4px; }
.link-edit { color: var(--primary); background: none; border: none; cursor: pointer; font-size: 13px; padding: 4px; }

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.modal-overlay[hidden] { display: none; }
.modal {
  background: #fff; border-radius: 10px; padding: 24px;
  width: 90%; max-width: 480px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}
.modal h3 { margin: 0 0 16px; font-size: 16px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }

.empty { color: var(--muted); text-align: center; padding: 24px; }

.pagination { display: flex; align-items: center; gap: 10px; justify-content: flex-end; margin-top: 12px; }
.pagination span { color: var(--muted); font-size: 13px; }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }