:root{
  --bg:#f5f7fa;
  --panel:#ffffff;
  --ink:#1f2d3d;
  --ink-soft:#5b6b7e;
  --line:#e3e8ef;
  --primary:#2f6fed;
  --primary-soft:#eaf1ff;
  --green:#1aa179;
  --green-soft:#e6f6f0;
  --red:#e23c3c;
  --red-soft:#fdeaea;
  --amber:#d98a00;
  --amber-soft:#fdf3e0;
  --shadow:0 1px 3px rgba(20,40,80,.08),0 6px 24px rgba(20,40,80,.06);
  --radius:12px;
}
*{box-sizing:border-box}
body{
  margin:0;font-family:"PingFang SC","Microsoft YaHei",-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5;
}
h1,h2{margin:0;font-weight:700}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 22px;background:var(--panel);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;box-shadow:var(--shadow);flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:12px}
.logo{font-size:30px;line-height:1}
.topbar h1{font-size:19px}
.subtitle{margin:2px 0 0;color:var(--ink-soft);font-size:12px}
.topbar-actions{display:flex;gap:8px;flex-wrap:wrap}

.btn{
  border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:8px 14px;border-radius:9px;cursor:pointer;font-size:13px;font-weight:600;
  transition:.15s;white-space:nowrap;
}
.btn:hover{border-color:var(--primary);color:var(--primary)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:#245ad0;color:#fff}
.btn-ghost{background:transparent;border-color:transparent;color:var(--ink-soft)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary);border-color:transparent}
.btn-danger{background:var(--red);border-color:var(--red);color:#fff}
.btn-danger:hover{background:#c53030;color:#fff}
.btn-sm{padding:5px 10px;font-size:12px}

.dashboard{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:14px;padding:18px 22px 4px;
}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 16px;box-shadow:var(--shadow)}
.stat .num{font-size:26px;font-weight:800;letter-spacing:.5px}
.stat .lbl{color:var(--ink-soft);font-size:12px;margin-top:2px}
.stat.accent .num{color:var(--primary)}
.stat.green .num{color:var(--green)}
.stat.red .num{color:var(--red)}
.stat.amber .num{color:var(--amber)}
.dash-block{grid-column:1/-1;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}
.dash-block h3{margin:0 0 10px;font-size:14px}
.bars{display:flex;gap:18px;flex-wrap:wrap}
.bar-item{min-width:120px}
.bar-item .name{font-size:12px;color:var(--ink-soft);margin-bottom:4px;display:flex;justify-content:space-between}
.bar-track{height:8px;background:var(--bg);border-radius:6px;overflow:hidden}
.bar-fill{height:100%;background:var(--primary);border-radius:6px}

.toolbar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:14px 22px;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);margin:14px 22px 0;box-shadow:var(--shadow);
}
.search-box{flex:1;min-width:240px}
.search-box input{width:100%;padding:9px 12px;border:1px solid var(--line);
  border-radius:9px;font-size:13px;outline:none}
.search-box input:focus{border-color:var(--primary)}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter{padding:8px 10px;border:1px solid var(--line);border-radius:9px;
  font-size:13px;background:#fff;color:var(--ink);outline:none;cursor:pointer}
.filter:focus{border-color:var(--primary)}
.page-size{color:var(--ink-soft);font-size:13px;display:flex;align-items:center;gap:6px}
.page-size select{padding:6px 8px;border:1px solid var(--line);border-radius:8px}

.table-wrap{margin:14px 22px 0;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px;min-width:1400px}
thead th{
  position:sticky;top:0;background:#f0f4fa;text-align:left;padding:10px 12px;
  border-bottom:2px solid var(--line);color:var(--ink-soft);font-weight:700;
  cursor:pointer;user-select:none;white-space:nowrap;
}
thead th:hover{color:var(--primary)}
thead th .arrow{font-size:10px;opacity:.5;margin-left:3px}
tbody td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top;
  max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
tbody tr:hover{background:var(--primary-soft)}
.cell-clip{display:block;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cell-clip.long{max-width:300px}
.row-actions{display:flex;gap:6px;white-space:nowrap}
.tag{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:700}
.tag-green{background:var(--green-soft);color:var(--green)}
.tag-red{background:var(--red-soft);color:var(--red)}
.tag-amber{background:var(--amber-soft);color:var(--amber)}
.tag-blue{background:var(--primary-soft);color:var(--primary)}
.tag-gray{background:#eef1f5;color:var(--ink-soft)}
.clickable{cursor:pointer;color:var(--primary);text-decoration:underline}
.empty{padding:40px;text-align:center;color:var(--ink-soft)}

.pager{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 22px;color:var(--ink-soft);font-size:13px;flex-wrap:wrap}
.pager-controls{display:flex;align-items:center;gap:6px}
#pageInfo{padding:0 8px;min-width:90px;text-align:center}

.modal{position:fixed;inset:0;background:rgba(20,30,45,.45);display:flex;
  align-items:flex-start;justify-content:center;padding:40px 16px;z-index:50;overflow:auto}
/* 作者样式的 display:flex 会覆盖浏览器默认的 [hidden]{display:none}，必须显式声明 */
.modal[hidden]{display:none !important}
.modal-card{background:#fff;border-radius:16px;width:560px;max-width:100%;
  box-shadow:0 20px 60px rgba(0,0,0,.25);animation:pop .18s ease}
.modal-lg{width:820px}
.modal-xl{width:1040px}
@keyframes pop{from{transform:translateY(10px);opacity:.6}to{transform:none;opacity:1}}
.modal-head{display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head h2{font-size:17px}
.icon-btn{border:none;background:none;font-size:18px;cursor:pointer;color:var(--ink-soft)}
.icon-btn:hover{color:var(--red)}
.modal-body{padding:18px 20px;max-height:70vh;overflow:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;
  border-top:1px solid var(--line)}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}
.field{display:flex;flex-direction:column;gap:4px}
.field.full{grid-column:1/-1}
.field label{font-size:12px;color:var(--ink-soft);font-weight:600}
.field input,.field select,.field textarea{
  padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px;
  outline:none;font-family:inherit;width:100%;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary)}
.field textarea{resize:vertical;min-height:64px}

.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}
.detail-item{display:flex;flex-direction:column;gap:2px;padding-bottom:8px;border-bottom:1px dashed var(--line)}
.detail-item.full{grid-column:1/-1}
.detail-item .k{font-size:11px;color:var(--ink-soft)}
.detail-item .v{font-size:13px;word-break:break-all}

.hint{font-size:12px;color:var(--ink-soft);margin:0 0 12px}
.export-opts{display:flex;gap:10px;flex-wrap:wrap}
.import-preview{margin-top:14px;font-size:12px;color:var(--ink-soft);max-height:200px;overflow:auto}
.columns-list{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.columns-list label{display:flex;align-items:center;gap:8px;font-size:13px;
  padding:6px 8px;border:1px solid var(--line);border-radius:8px;cursor:pointer}
.columns-list input{accent-color:var(--primary)}

.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);
  background:var(--ink);color:#fff;padding:11px 20px;border-radius:10px;font-size:13px;
  z-index:80;box-shadow:0 8px 30px rgba(0,0,0,.3);animation:pop .2s}
@media(max-width:720px){.form-grid{grid-template-columns:1fr}.detail-grid{grid-template-columns:1fr}}

/* =========================================================
   登录页
   ========================================================= */
.login-screen{
  position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  padding:24px;background:linear-gradient(135deg,#eef3fb 0%,#e4ecfa 45%,#f3f6fb 100%);
}
.login-screen[hidden]{display:none !important}
.login-card{
  width:400px;max-width:100%;background:#fff;border-radius:18px;padding:34px 32px 28px;
  box-shadow:0 24px 60px rgba(30,60,120,.16);text-align:center;
}
.login-logo{font-size:44px;line-height:1;margin-bottom:10px}
.login-card h1{font-size:22px;margin:0 0 4px}
.login-sub{margin:0 0 22px;color:var(--ink-soft);font-size:13px}
.login-card form{text-align:left;display:flex;flex-direction:column;gap:6px}
.login-card label{font-size:12px;color:var(--ink-soft);font-weight:600;margin-top:8px}
.login-card input[type=text],.login-card input[type=password]{
  padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;outline:none;width:100%;
}
.login-card input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,111,237,.12)}
.login-err{color:var(--red);font-size:12px;min-height:18px;margin-top:8px}
.login-tip{color:var(--ink-soft);font-size:12px;margin:14px 0 0}
.btn-block{width:100%;margin-top:8px;padding:11px 14px;font-size:15px;border-radius:10px}
.btn-block:disabled{opacity:.6;cursor:not-allowed}

/* =========================================================
   顶栏用户信息
   ========================================================= */
.user-chip{display:inline-flex;align-items:center;gap:8px;padding:5px 12px 5px 6px;
  border:1px solid var(--line);border-radius:999px;background:#f7f9fd}
.user-chip[hidden]{display:none !important}
.avatar{width:26px;height:26px;border-radius:50%;background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}
.uname{font-size:13px;font-weight:600}
.urole{font-size:11px;color:var(--ink-soft);background:#eef2f8;border-radius:20px;padding:1px 8px}

/* =========================================================
   跟进记录
   ========================================================= */
.fu-section{margin-top:22px;border-top:1px solid var(--line);padding-top:16px}
.fu-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.fu-head h3{margin:0;font-size:15px}
.fu-head .count{display:inline-block;background:var(--primary-soft);color:var(--primary);
  border-radius:20px;padding:1px 10px;font-size:12px;margin-left:4px}
.fu-list{display:flex;flex-direction:column;gap:2px}
.fu-item{display:flex;gap:12px;padding:10px 0}
.fu-rail{width:14px;flex:0 0 14px;display:flex;justify-content:center;position:relative}
.fu-rail::before{content:'';position:absolute;top:14px;bottom:-12px;width:2px;background:var(--line)}
.fu-item:last-child .fu-rail::before{display:none}
.fu-dot{width:10px;height:10px;border-radius:50%;background:var(--primary);margin-top:5px;
  box-shadow:0 0 0 3px var(--primary-soft);z-index:1}
.fu-main{flex:1;min-width:0;padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:#fbfcfe}
.fu-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.fu-time{font-size:12px;color:var(--ink-soft);font-weight:600}
.fu-by{font-size:12px;color:var(--primary)}
.fu-edit{font-size:11px;color:var(--amber)}
.fu-content{font-size:13px;line-height:1.7;white-space:pre-wrap;word-break:break-word;color:var(--ink)}
.fu-next{margin-top:6px;font-size:12px;color:var(--amber);background:var(--amber-soft);
  display:inline-block;padding:3px 9px;border-radius:8px}
.fu-ops{display:flex;gap:6px;margin-top:8px}
.fu-ops .btn{opacity:.55;transition:.15s}
.fu-item:hover .fu-ops .btn{opacity:1}
.fu-empty{padding:26px;text-align:center;color:var(--ink-soft);font-size:13px;
  border:1px dashed var(--line);border-radius:10px}

/* =========================================================
   用户与权限管理
   ========================================================= */
.user-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
.user-table{width:100%;min-width:900px;border-collapse:collapse;font-size:13px}
.user-table thead th{background:#f0f4fa;text-align:left;padding:9px 12px;
  border-bottom:2px solid var(--line);color:var(--ink-soft);font-weight:700;white-space:nowrap}
.user-table tbody td{padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.user-table tbody tr:hover{background:var(--primary-soft)}
.user-table .row-actions{gap:6px}

/* =========================================================
   操作日志
   ========================================================= */
.log-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));
  gap:10px;margin-bottom:14px}
.log-stat{background:#f7f9fd;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.log-stat .num{font-size:21px;font-weight:800;color:var(--primary);line-height:1.2}
.log-stat .lbl{font-size:11px;color:var(--ink-soft);margin-bottom:5px}
.log-stat .bar-track{height:5px;background:var(--line);border-radius:5px;overflow:hidden}
.log-stat .bar-fill{height:100%;background:var(--primary);border-radius:5px}
.log-stat-total{background:var(--primary);border-radius:10px;padding:10px 12px;color:#fff}
.log-stat-total .num{font-size:21px;font-weight:800;color:#fff;line-height:1.2}
.log-stat-total .lbl{font-size:11px;color:rgba(255,255,255,.85);margin-bottom:5px}
.log-stat-wide{grid-column:1/-1}
.log-spark{display:flex;gap:10px;align-items:flex-end;margin-top:4px}
.spark-col{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:34px}
.spark-bar{width:20px;background:var(--primary-soft);border-radius:4px 4px 0 0;
  border-top:2px solid var(--primary);min-height:4px}
.spark-n{font-size:10px;color:var(--ink-soft)}
.spark-d{font-size:9px;color:#9aa}

.log-filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.log-search{flex:1;min-width:180px;padding:8px 11px;border:1px solid var(--line);
  border-radius:9px;font-size:13px;outline:none}
.log-search:focus{border-color:var(--primary)}
.log-date{width:auto;min-width:132px}
.log-sep{color:var(--ink-soft);font-size:13px}

.log-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;max-height:44vh}
.log-table{width:100%;min-width:960px;border-collapse:collapse;font-size:12.5px}
.log-table thead th{background:#f0f4fa;text-align:left;padding:9px 11px;
  border-bottom:2px solid var(--line);color:var(--ink-soft);font-weight:700;
  white-space:nowrap;position:sticky;top:0;z-index:1}
.log-table tbody td{padding:8px 11px;border-bottom:1px solid var(--line);vertical-align:top}
.log-table tbody tr:hover{background:var(--primary-soft)}
.log-time{white-space:nowrap;color:var(--ink-soft);font-variant-numeric:tabular-nums}
.log-target,.log-detail{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.log-detail{color:var(--ink-soft)}
.log-ip{white-space:nowrap;font-family:Consolas,Monaco,monospace;font-size:11.5px;color:var(--ink-soft)}
.log-info{color:var(--ink-soft);font-size:12px;margin-right:auto}
.log-page{padding:0 6px;font-size:12px;color:var(--ink-soft);min-width:80px;text-align:center}

/* =========================================================
   单列表单（跟进 / 账号 / 改密）
   ========================================================= */
.form-col{display:flex;flex-direction:column;gap:12px}
.form-col .field label{font-size:12px;color:var(--ink-soft);font-weight:600}
.form-col .field input,.form-col .field select,.form-col .field textarea{
  padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:13px;
  outline:none;width:100%;font-family:inherit;background:#fff;color:var(--ink)}
.form-col .field input:focus,.form-col .field select:focus,.form-col .field textarea:focus{border-color:var(--primary)}
.form-col .field input[readonly]{background:#f4f6fa;color:var(--ink-soft)}
.form-col .field textarea{resize:vertical;min-height:90px;line-height:1.7}
.form-col .field[hidden]{display:none !important}