:root {
  --bg: #f4f6fa;
  --surface: #ffffff;
  --border: #e5e9f0;
  --text: #1f2430;
  --muted: #7a8394;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-soft: #eff4ff;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
  --sidebar-bg: #141a2b;
  --sidebar-text: #cbd3e1;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 4px 16px rgba(15, 23, 42, .06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.spacer { flex: 1; }
a { text-decoration: none; color: inherit; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px; border-radius: 8px; border: 1px solid transparent;
  font-size: 14px; font-weight: 500; cursor: pointer; transition: all .15s;
  background: #fff; color: var(--text); white-space: nowrap;
}
.btn:hover { filter: brightness(.97); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-danger { background: #fff; color: var(--danger); border-color: #fecaca; }
.btn-danger:hover { background: #fef2f2; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.icon-btn {
  border: none; background: transparent; cursor: pointer; font-size: 16px;
  color: var(--muted); padding: 6px; border-radius: 6px; transition: all .15s;
}
.icon-btn:hover { background: rgba(0,0,0,.05); color: var(--text); }

/* 登录 */
.login-view {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #141a2b 0%, #1e2a4a 55%, #24325c 100%);
}
.login-card {
  background: #fff; border-radius: 16px; padding: 40px 36px; width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}
.login-logo { text-align: center; margin-bottom: 28px; }
.logo-icon { font-size: 44px; }
.login-logo h1 { font-size: 22px; margin-top: 6px; }
.login-logo p { font-size: 13px; margin-top: 2px; }
.login-card label { display: block; font-size: 13px; font-weight: 500; margin: 14px 0 6px; }
.login-card input {
  width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
}
.login-card input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.login-card .btn { margin-top: 22px; }
.form-error { color: var(--danger); font-size: 13px; margin-top: 10px; }

/* 布局 */
.app-view { display: flex; height: 100vh; overflow: hidden; }
.sidebar {
  width: 220px; background: var(--sidebar-bg); color: var(--sidebar-text);
  display: flex; flex-direction: column; flex-shrink: 0;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 20px 18px; border-bottom: 1px solid rgba(255,255,255,.06); }
.sidebar-brand .logo-icon { font-size: 28px; }
.brand-name { color: #fff; font-weight: 700; font-size: 16px; }
.brand-sub { font-size: 12px; color: var(--sidebar-text); }
.sidebar-nav { flex: 1; padding: 12px 10px; display: flex; flex-direction: column; gap: 2px; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px;
  cursor: pointer; color: var(--sidebar-text); font-size: 14px; transition: all .15s;
}
.nav-item span { font-size: 16px; }
.nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; }
.sidebar-user { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-top: 1px solid rgba(255,255,255,.06); }
.user-avatar {
  width: 34px; height: 34px; border-radius: 50%; background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 15px; flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-name { color: #fff; font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: var(--sidebar-text); }
.sidebar-user .icon-btn { color: var(--sidebar-text); }
.sidebar-user .icon-btn:hover { color: #fff; background: rgba(255,255,255,.08); }

.main { flex: 1; overflow-y: auto; }
.view { padding: 24px 28px; max-width: 1400px; }

/* 页头 */
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; gap: 12px; flex-wrap: wrap; }
.page-head h2 { font-size: 20px; font-weight: 700; }
.page-head .actions { display: flex; gap: 8px; align-items: center; }

/* 统计卡片 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.stat-card .stat-label { font-size: 13px; color: var(--muted); }
.stat-card .stat-value { font-size: 28px; font-weight: 700; margin-top: 4px; }
.stat-card .stat-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* 面板 */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 18px; }
.panel-head { padding: 14px 18px; border-bottom: 1px solid var(--border); font-weight: 600; font-size: 15px; display: flex; align-items: center; justify-content: space-between; }
.panel-body { padding: 18px; }
.panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 900px) { .panel-grid { grid-template-columns: 1fr; } }

/* 横向条形图 */
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.bar-label { width: 140px; font-size: 13px; text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex-shrink: 0; }
.bar-track { flex: 1; background: var(--bg); border-radius: 4px; height: 18px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--primary); border-radius: 4px; min-width: 2px; transition: width .3s; }
.bar-value { width: 44px; font-size: 12px; color: var(--muted); text-align: right; }

/* 筛选栏 */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.filter-bar input, .filter-bar select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; background: #fff;
}
.filter-bar input:focus, .filter-bar select:focus { outline: none; border-color: var(--primary); }
.filter-bar .search-input { flex: 1; min-width: 200px; }
.filter-bar select { min-width: 110px; }

/* 表格 */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
  text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase;
  padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; cursor: pointer; user-select: none;
}
thead th:hover { color: var(--text); }
tbody td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13px; vertical-align: middle; }
tbody tr:hover { background: #f8fafc; }
td.company-name { font-weight: 500; }
.link-icon { font-size: 15px; color: var(--muted); }
.link-icon:hover { color: var(--primary); }

/* 徽章 */
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; font-weight: 500; white-space: nowrap; }
.badge-grade-A { background: #dcfce7; color: #166534; }
.badge-grade-B { background: #fef9c3; color: #854d0e; }
.badge-grade-C { background: #fee2e2; color: #991b1b; }
.badge-status-未联系 { background: #f1f5f9; color: #475569; }
.badge-status-已联系 { background: #dbeafe; color: #1e40af; }
.badge-status-回复 { background: #e0f2fe; color: #075985; }
.badge-status-报价 { background: #fef3c7; color: #92400e; }
.badge-status-成交 { background: #dcfce7; color: #166534; }
.badge-status-放弃 { background: #fee2e2; color: #991b1b; }
.badge-neutral { background: #f1f5f9; color: #475569; }

/* 分页 */
.pagination { display: flex; align-items: center; gap: 6px; padding: 14px 18px; justify-content: flex-end; flex-wrap: wrap; }
.pagination .btn { padding: 6px 10px; font-size: 13px; }
.pagination .page-info { font-size: 13px; color: var(--muted); margin-right: 8px; }

/* 看板 */
.board { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 12px; align-items: flex-start; }
.board-col { background: #eef1f6; border-radius: var(--radius); width: 260px; flex-shrink: 0; }
.board-col-head { padding: 12px 14px; font-weight: 600; font-size: 13px; display: flex; align-items: center; gap: 8px; }
.board-col-head .count { background: #fff; border-radius: 20px; padding: 0 8px; font-size: 12px; color: var(--muted); }
.board-col-body { padding: 6px 8px 8px; min-height: 60px; display: flex; flex-direction: column; gap: 8px; }
.board-card {
  background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; cursor: pointer;
  box-shadow: 0 1px 2px rgba(0,0,0,.05); transition: all .15s;
}
.board-card:hover { box-shadow: var(--shadow); transform: translateY(-1px); }
.board-card .bc-name { font-weight: 500; font-size: 13px; }
.board-card .bc-meta { font-size: 12px; color: var(--muted); margin-top: 4px; display: flex; gap: 8px; flex-wrap: wrap; }
.board-card.dragging { opacity: .5; }

/* 弹窗 */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(15,23,42,.45); z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal {
  background: #fff; border-radius: 14px; width: 100%; max-width: 520px; max-height: 92vh;
  display: flex; flex-direction: column; box-shadow: 0 24px 80px rgba(0,0,0,.3);
}
.modal-wide { max-width: 860px; }
.modal-head { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-head h3 { font-size: 16px; }
.modal-body { padding: 20px; overflow-y: auto; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; gap: 10px; align-items: center; }

/* 表单 */
.company-form .form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 700px) { .company-form .form-grid { grid-template-columns: 1fr 1fr; } }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 5px; }
.field .req { color: var(--danger); }
.field input, .field select, .field textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px;
  font-family: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.checkbox-group { display: flex; flex-wrap: wrap; gap: 8px; }
.checkbox-group label {
  display: inline-flex; align-items: center; gap: 5px; padding: 6px 12px; border: 1px solid var(--border);
  border-radius: 20px; font-size: 12px; cursor: pointer; color: var(--text); font-weight: 400; margin: 0;
}
.checkbox-group input { width: auto; }
.checkbox-group label.checked { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); }

/* 跟进记录 */
.activities-box { border-top: 1px solid var(--border); padding-top: 16px; margin-top: 4px; }
.activities-box h4 { font-size: 14px; margin-bottom: 10px; }
.activity-list { max-height: 220px; overflow-y: auto; margin-bottom: 10px; }
.activity-item { padding: 8px 0; border-bottom: 1px dashed var(--border); font-size: 13px; }
.activity-item .a-meta { font-size: 11px; color: var(--muted); }
.activity-add { display: flex; gap: 8px; }
.activity-add input { flex: 1; }

/* 导入 */
.import-mapping { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 14px 0; }
.import-mapping .map-row { display: flex; flex-direction: column; gap: 4px; }
.import-mapping label { font-size: 12px; font-weight: 600; color: var(--muted); }
.import-mapping select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 8px; }
#import-file { margin-top: 12px; }

/* toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #111827; color: #fff; padding: 11px 20px; border-radius: 10px; font-size: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,.3); z-index: 200; max-width: 80%;
}
.toast.error { background: var(--danger); }

/* 空状态 */
.empty { text-align: center; color: var(--muted); padding: 48px 20px; }
.empty .empty-icon { font-size: 42px; margin-bottom: 10px; }