:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --danger: #dc2626;
  --ok: #059669;
  --warn: #d97706;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, #dbeafe 0, transparent 30%), var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.shell {
  width: min(1440px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 { margin: 0; font-size: 34px; }
h2 { margin: 0 0 12px; font-size: 20px; }
.subtitle { margin: 10px 0 0; color: var(--muted); }

.card {
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(229,231,235,.9);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 18px;
}

.login-card { max-width: 520px; }
.login-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; margin-top: 18px; }

input[type="text"], input[type="password"], input[type="date"], input[type="number"], select {
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 12px;
  font-size: 15px;
  background: #fff;
}

input[type="password"] { flex: 1; }
.distribution-form { display: grid; grid-template-columns: repeat(3, minmax(160px, 1fr)); gap: 14px; margin: 16px 0; }
.distribution-item { display: flex; flex-direction: column; gap: 8px; border: 1px solid var(--line); border-radius: 14px; padding: 14px; background: #fff; }
.distribution-item strong { font-size: 15px; }
.distribution-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.reassign-control { display: flex; align-items: center; gap: 8px; min-width: 210px; }
.reassign-control select { width: 130px; height: 36px; font-size: 13px; }
.small-btn { height: 36px; padding: 0 10px; font-size: 13px; }
button, .secondary, .ghost {
  height: 42px;
  border-radius: 12px;
  border: 0;
  padding: 0 18px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button { background: var(--primary); color: #fff; }
button:hover { background: var(--primary-dark); }
.secondary { background: #eff6ff; color: var(--primary-dark); border: 1px solid #bfdbfe; }
.ghost { background: #fff; color: var(--muted); border: 1px solid var(--line); }

.toolbar { display: flex; align-items: flex-end; gap: 14px; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label, .check { color: var(--muted); font-size: 14px; }
.check { display: inline-flex; align-items: center; gap: 6px; height: 42px; }

.status-text { color: var(--muted); margin: 0 0 16px; }
.sync-card { padding-top: 18px; padding-bottom: 18px; }
.sync-card h2 { margin-bottom: 8px; }
.sync-card .status-text { margin-bottom: 0; }
.error-text { color: var(--danger); min-height: 22px; }
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 14px; }

.summary-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(130px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.summary-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}
.summary-card .label { color: var(--muted); font-size: 13px; }
.summary-card .value { margin-top: 8px; font-size: 28px; font-weight: 800; }

.section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 14px; }
.leads-table-wrap { max-height: 62vh; }
table { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff; }
th, td { padding: 12px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; white-space: nowrap; }
th { position: sticky; top: 0; background: #f9fafb; z-index: 1; color: #374151; }
td.wrap { white-space: normal; min-width: 180px; }
td.detail-cell { min-width: 360px; max-width: 680px; line-height: 1.55; }
.badge { display: inline-flex; padding: 4px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge.ok { background: #ecfdf5; color: var(--ok); }
.badge.err { background: #fef2f2; color: var(--danger); }

@media (max-width: 900px) {
  .summary-grid { grid-template-columns: repeat(2, minmax(130px, 1fr)); }
  .distribution-form { grid-template-columns: 1fr; }
  .login-form { grid-template-columns: 1fr; }
  .hero { flex-direction: column; }
}