/* ============ 高效经销商管理系统 样式 ============ */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sidebar-bg: #1e293b;
  --sidebar-active: #4f46e5;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --danger: #dc2626;
  --success: #16a34a;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
}

/* ---------------- 侧边栏 ---------------- */
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  padding: 20px 18px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid #334155;
}
.sidebar nav { flex: 1; padding: 12px 0; }
.sidebar nav a {
  display: block;
  padding: 12px 18px;
  color: #cbd5e1;
  text-decoration: none;
  font-size: 14px;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: #334155; color: #fff; }
.sidebar nav a.active {
  background: var(--sidebar-active);
  color: #fff;
  border-left-color: #a5b4fc;
}
.sidebar-foot {
  padding: 14px 18px;
  border-top: 1px solid #334155;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.sidebar-foot a { color: #a5b4fc; text-decoration: none; }
.sidebar-foot a:hover { text-decoration: underline; }

/* ---------------- 主区域 ---------------- */
.main { flex: 1; padding: 28px 36px; max-width: 1600px; width: 100%; }
h1 { font-size: 22px; margin-bottom: 18px; }
h2 { font-size: 15px; margin-bottom: 14px; color: var(--text); }

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.page-head h1 { margin-bottom: 0; }

/* ---------------- 卡片 / 表格 ---------------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, .06);
}
.table-card { padding: 8px 20px 14px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 13px; white-space: nowrap; }
tbody tr:hover { background: #f8fafc; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.strong { font-weight: 600; }
.empty { color: var(--muted); text-align: center; padding: 24px !important; }
.table-count { color: var(--muted); font-size: 12px; padding: 10px 2px 4px; }
.ops { display: flex; gap: 6px; white-space: nowrap; }
.ops form { display: inline; }

/* ---------------- 徽章 ---------------- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  white-space: nowrap;
}
.badge-意向客户 { background: #eff6ff; color: #2563eb; }
.badge-合作中 { background: #ecfdf5; color: #059669; }
.badge-已终止 { background: #f1f5f9; color: #64748b; }
.badge-未回款 { background: #fef2f2; color: #dc2626; }
.badge-部分回款 { background: #fffbeb; color: #d97706; }
.badge-已回款 { background: #f0fdf4; color: #16a34a; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-block;
  padding: 8px 16px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  transition: all .15s;
}
.btn:hover { background: #f1f5f9; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { color: var(--danger); border-color: #fecaca; }
.btn-danger:hover { background: #fef2f2; }
.btn-sm { padding: 4px 10px; font-size: 12px; border-radius: 6px; }
.btn-block { width: 100%; padding: 10px; font-size: 15px; }
.btn-link { border: none; background: none; color: var(--accent); }
.btn-link:hover { background: none; text-decoration: underline; }

/* ---------------- 表单 ---------------- */
.form label {
  display: block;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--muted);
}
.form input, .form select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 9px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}
.form input:focus, .form select:focus {
  outline: 2px solid #c7d2fe;
  border-color: var(--accent);
}
.form-actions { display: flex; gap: 10px; margin-top: 8px; }
.form-hint { color: var(--muted); font-size: 12px; line-height: 1.7; margin-bottom: 12px; }
.req { color: var(--danger); }

.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.filters input[type="text"] {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  min-width: 240px;
}
.filters select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  background: #fff;
}

/* ---------------- 仪表盘 ---------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.stat-icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.stat-num { font-size: 19px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--muted); margin-top: 2px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.bar-label { width: 110px; font-size: 13px; flex-shrink: 0; }
.bar-track {
  flex: 1; height: 10px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #818cf8, var(--accent));
  border-radius: 999px;
}
.bar-fill-green { background: linear-gradient(90deg, #34d399, #059669); }
.bar-val { width: 60px; font-size: 12px; color: var(--muted); text-align: right; }

.rank {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  font-size: 13px; font-weight: 700;
  background: #f1f5f9; color: var(--muted);
}
.rank-1 { background: #fef9c3; color: #a16207; }
.rank-2 { background: #f1f5f9; color: #475569; }
.rank-3 { background: #fde68a; color: #b45309; }

/* ---------------- 提示消息 ---------------- */
.flash {
  padding: 11px 16px;
  border-radius: 8px;
  margin-bottom: 14px;
  font-size: 13px;
  border: 1px solid;
}
.flash-success { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.flash-error { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.flash-info { background: #eff6ff; border-color: #bfdbfe; color: #1e40af; }

/* ---------------- 登录页 ---------------- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #eef2ff, #e0e7ff 60%, #c7d2fe);
}
.login-card {
  width: 380px;
  background: #fff;
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 10px 30px rgba(79, 70, 229, .18);
}
.login-logo { font-size: 44px; text-align: center; }
.login-card h1 { text-align: center; font-size: 19px; margin: 8px 0 4px; }
.login-sub { text-align: center; color: var(--muted); font-size: 12px; margin-bottom: 22px; }
.login-card label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.login-card input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.login-card input:focus { outline: 2px solid #c7d2fe; border-color: var(--accent); }

/* ---------------- 应回款金额与回款进度 ---------------- */
.due-num { font-weight: 700; color: #1d4ed8; }
.pay-progress {
  display: inline-block;
  width: 90px; height: 8px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
  vertical-align: middle;
  margin-left: 8px;
}
.pay-progress-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #fbbf24, #f59e0b);
  border-radius: 999px;
}
.pay-progress-fill.fill-green { background: linear-gradient(90deg, #34d399, #059669); }
.pay-progress-fill.fill-orange { background: linear-gradient(90deg, #fbbf24, #f59e0b); }
.pay-progress-card {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 14px;
}
.pay-progress-big {
  height: 14px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 10px;
}
.pay-progress-info {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}
.pay-progress-info .pct { font-weight: 700; color: var(--text); }

/* ---------------- 角色徽章 ---------------- */
.role-badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.role-admin { background: #eef2ff; color: #4f46e5; }
.role-editor { background: #ecfdf5; color: #059669; }
.role-viewer { background: #f1f5f9; color: #64748b; }

/* ---------------- 回款明细 ---------------- */
.pay-sum { font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 8px; }
.pay-form { border-top: 1px solid var(--border); margin-top: 16px; padding-top: 16px; }
.pay-form h3 { font-size: 14px; margin-bottom: 12px; }
.pay-form label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); }
.pay-form input, .pay-form select {
  display: block;
  width: 100%;
  margin-top: 5px;
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.pay-form input:focus, .pay-form select:focus { outline: 2px solid #c7d2fe; border-color: var(--accent); }
.pay-total { background: #f8fafc; font-weight: 700; }

/* ---------------- 用户管理 ---------------- */
.user-form {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 14px;
  align-items: end;
}
.user-form label { display: block; font-size: 13px; color: var(--muted); }
.user-form input, .user-form select {
  display: block;
  width: 100%;
  margin-top: 5px;
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.inline-form { display: inline; }
.inline-form select { padding: 5px 8px; font-size: 13px; border: 1px solid var(--border); border-radius: 6px; }
@media (max-width: 900px) { .user-form { grid-template-columns: 1fr; } }

/* ---------------- 档位设置面板 ---------------- */
.tier-panel summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}
.tier-panel summary::-webkit-details-marker { display: none; }
.tier-panel summary::before { content: '▸ '; color: var(--muted); }
.tier-panel[open] summary::before { content: '▾ '; }
.tier-panel .table-card { margin-top: 14px; padding: 0; }
.tier-panel .tier-disc { width: 90px; }
.tier-form {
  border-top: 1px solid var(--border);
  margin-top: 16px;
  padding-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 14px;
  align-items: end;
}
.tier-form h3 { grid-column: 1 / -1; font-size: 14px; }
.tier-form label { display: block; font-size: 13px; color: var(--muted); }
.tier-form input {
  display: block;
  width: 100%;
  margin-top: 5px;
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
@media (max-width: 900px) { .tier-form { grid-template-columns: 1fr; } }

/* ---------------- 403 ---------------- */
.center-card { text-align: center; padding: 48px 24px; }
.center-card .login-logo { font-size: 48px; }
.center-card h1 { margin: 12px 0 8px; }
.center-card p { color: var(--muted); font-size: 14px; margin-bottom: 18px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 768px) {
  body { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; }
  .sidebar-foot { display: none; }
  .main { padding: 16px; }
  .stats { grid-template-columns: 1fr 1fr; }
}