:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-soft: #eff6ff;
  --success: #16a34a;
  --success-soft: #ecfdf5;
  --warn: #d97706;
  --warn-soft: #fffbeb;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f4f6fb;
  --radius: 14px;
  --shadow: 0 4px 18px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  background: linear-gradient(120deg, #1e3a8a 0%, #2563eb 55%, #38bdf8 100%);
  color: #fff;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.topbar h1 { margin: 0; font-size: 18px; font-weight: 600; letter-spacing: .5px; }
.topbar .nav a { color: rgba(255,255,255,.92); margin-left: 16px; font-size: 14px; }
.topbar .nav a:hover { color: #fff; }

.container { max-width: 1080px; margin: 0 auto; padding: 20px 16px 60px; }
.container.wide { max-width: 1240px; }

.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 18px;
}
.card h2 { margin: 0 0 4px; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.card .desc { color: var(--muted); font-size: 13px; margin-bottom: 14px; }

.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.row.end { justify-content: flex-end; }
.grow { flex: 1; min-width: 220px; }

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }

input[type=text], input[type=password], input[type=number], select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  background: #fff;
  font-family: inherit;
}
input:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
input[readonly] { background: #f9fafb; color: var(--muted); }
input:disabled, select:disabled { background: #f3f4f6; cursor: not-allowed; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: filter .15s, opacity .15s;
  font-family: inherit;
}
.btn:hover { filter: brightness(.95); text-decoration: none; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.ghost { background: #fff; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { background: #f9fafb; }
.btn.danger { background: var(--danger); }
.btn.success { background: var(--success); }
.btn.warn { background: var(--warn); }
.btn.sm { padding: 5px 10px; font-size: 13px; border-radius: 8px; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: var(--primary-soft);
  color: var(--primary-dark);
}
.badge.green { background: var(--success-soft); color: var(--success); }
.badge.red { background: var(--danger-soft); color: var(--danger); }
.badge.orange { background: var(--warn-soft); color: var(--warn); }
.badge.gray { background: #f3f4f6; color: var(--muted); }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 10px; text-align: left; border-bottom: 1px solid var(--line); font-size: 13px; vertical-align: middle; }
th { color: var(--muted); font-weight: 600; background: #fafbfc; position: sticky; top: 0; }
tbody tr:hover { background: #fbfcfe; }
.table-wrap { max-height: 480px; overflow: auto; border: 1px solid var(--line); border-radius: 10px; }
.table-wrap.small { max-height: 320px; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }

.notice {
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 14px;
  border: 1px solid transparent;
}
.notice.info { background: var(--primary-soft); color: var(--primary-dark); border-color: #bfdbfe; }
.notice.warn { background: var(--warn-soft); color: var(--warn); border-color: #fde68a; }
.notice.success { background: var(--success-soft); color: var(--success); border-color: #bbf7d0; }
.notice.error { background: var(--danger-soft); color: var(--danger); border-color: #fecaca; }

.orders { display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: 10px; }
.order-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 4px;
  text-align: center;
  cursor: pointer;
  background: #fff;
  transition: all .15s;
  font-weight: 600;
}
.order-item small { display: block; font-weight: 400; font-size: 11px; color: var(--muted); }
.order-item:hover:not(.disabled) { border-color: var(--primary); color: var(--primary); }
.order-item.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.order-item.active small { color: rgba(255,255,255,.85); }
.order-item.disabled { background: #f3f4f6; color: #9ca3af; cursor: not-allowed; text-decoration: line-through; }

.paper-row { display: flex; gap: 10px; align-items: flex-start; padding: 10px; border-bottom: 1px solid var(--line); cursor: pointer; }
.paper-row:last-child { border-bottom: none; }
.paper-row:hover { background: #fbfcfe; }
.paper-row.selected { background: var(--primary-soft); }
.paper-row.disabled { opacity: .6; cursor: not-allowed; }
.paper-row input { margin-top: 4px; }
.paper-title { font-weight: 500; }
.paper-meta { color: var(--muted); font-size: 12px; }

.progress { height: 10px; background: #eef2f7; border-radius: 999px; overflow: hidden; margin: 10px 0; }
.progress > i { display: block; height: 100%; background: linear-gradient(90deg, #2563eb, #38bdf8); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.stat { background: #f9fafb; border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.stat b { display: block; font-size: 22px; line-height: 1.3; }
.stat span { color: var(--muted); font-size: 12px; }

.tabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.tab { padding: 8px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); cursor: pointer; font-size: 14px; }
.tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(120deg,#1e3a8a,#2563eb 60%,#38bdf8); }
.login-card { background: #fff; border-radius: 16px; padding: 32px; width: 360px; box-shadow: 0 20px 45px rgba(15,23,42,.25); }
.login-card h2 { margin: 0 0 18px; text-align: center; }
.login-card .field { margin-bottom: 14px; }

.step { display: inline-flex; width: 22px; height: 22px; border-radius: 50%; background: var(--primary); color: #fff; align-items: center; justify-content: center; font-size: 12px; margin-right: 6px; }

#toast {
  position: fixed;
  left: 50%;
  top: 24px;
  transform: translateX(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}
.toast-item {
  background: rgba(17, 24, 39, .92);
  color: #fff;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13px;
  box-shadow: 0 8px 20px rgba(0,0,0,.2);
  animation: fade .25s ease;
}
.toast-item.ok { background: rgba(22,163,74,.95); }
.toast-item.err { background: rgba(220,38,38,.95); }
@keyframes fade { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

.empty { text-align: center; color: var(--muted); padding: 26px 0; font-size: 13px; }
.hidden { display: none !important; }
.footer-tip { text-align: center; color: var(--muted); font-size: 12px; margin-top: 24px; }