:root {
  --bg: #F2F3F5;
  --panel: #FFFFFF;
  --panel-2: #F7F8FA;
  --line: #E5E8EF;
  --text: #1F2329;
  --text-2: #4E5969;
  --text-3: #86909C;
  --primary: #1677FF;
  --primary-hover: #4096FF;
  --primary-weak: #E8F3FF;
  --success: #00B42A;
  --success-weak: #E8FFEA;
  --success-text: #009A29;
  --danger: #F53F3F;
  --danger-weak: #FFECE8;
  --warn: #FF7D00;
  --warn-weak: #FFF7E8;
  --sidebar: #10203A;
  --sidebar-line: rgba(255, 255, 255, 0.08);
  --radius: 10px;
  --shadow: 0 6px 24px rgba(14, 34, 66, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---------- layout ---------- */
.appbar {
  position: sticky;
  top: 0;
  z-index: 40;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 22px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.appbar-brand { display: flex; align-items: center; gap: 10px; }
.appbar-brand .brand-text strong { color: var(--text); font-size: 13px; }
.appbar-brand .brand-text span { color: var(--text-3); }
.appbar-right { display: flex; align-items: center; gap: 14px; }

.layout { display: flex; min-height: calc(100vh - 52px); }

.sidebar {
  width: 216px;
  flex: 0 0 216px;
  background: var(--sidebar);
  color: #B9C7DB;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 52px;
  height: calc(100vh - 52px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px 18px;
}
.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { color: #fff; font-size: 13px; font-weight: 600; }
.brand-text span { font-size: 9px; letter-spacing: 1.2px; color: #6E8199; }

.nav { flex: 1; overflow-y: auto; padding: 8px 0; }
.nav-group {
  font-size: 10px;
  letter-spacing: 1px;
  color: #5A6B85;
  padding: 12px 20px 6px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  margin: 2px 10px;
  border-radius: 8px;
  color: #9AABC4;
  cursor: pointer;
  font-size: 13px;
  user-select: none;
  transition: background 0.14s, color 0.14s;
}
.nav-item:hover { background: rgba(255, 255, 255, 0.06); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; font-weight: 500; }
.nav-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.55;
}
.nav-count {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}
.nav-item.active .nav-count { background: rgba(0, 0, 0, 0.18); }

.sidebar-foot {
  padding: 14px 18px 18px;
  border-top: 1px solid var(--sidebar-line);
}
.mode-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--primary-weak);
  color: var(--primary);
}
.mode-badge.live { background: var(--warn-weak); color: var(--warn); }
.mode-badge i { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.advertiser { font-size: 11px; color: #6E8199; line-height: 1.5; }
.advertiser strong { display: block; color: #B9C7DB; font-weight: 500; font-size: 12px; }

/* ---------- main ---------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  position: sticky;
  top: 52px;
  z-index: 20;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.topbar h1 { margin: 0; font-size: 17px; font-weight: 600; letter-spacing: -0.2px; }
.topbar .sub { margin: 3px 0 0; font-size: 12px; color: var(--text-3); }
.topbar-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.view { padding: 20px 24px 48px; }

/* ---------- controls ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 32px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.14s, background 0.14s;
}
.btn:hover { border-color: #CBD3CE; background: var(--panel-2); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn.sm { height: 27px; padding: 0 10px; font-size: 12px; border-radius: 7px; }
.btn.ghost-danger { color: var(--danger); border-color: #F0C6C1; background: #fff; }
.btn.ghost-danger:hover { background: var(--danger-weak); }

input[type="date"],
input[type="text"],
input[type="number"],
input[type="password"],
select,
textarea {
  height: 32px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-family: inherit;
  font-size: 13px;
  color: var(--text);
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
textarea { height: auto; padding: 8px 10px; resize: vertical; }

.date-range { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-3); }
.date-range input[type="date"] { height: 32px; }

.seg {
  display: inline-flex;
  background: #EDF1F8;
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
}
.seg button {
  border: none;
  background: transparent;
  padding: 5px 11px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-2);
  cursor: pointer;
  font-family: inherit;
}
.seg button.active { background: #fff; color: var(--text); font-weight: 500; box-shadow: 0 1px 2px rgba(0, 0, 0, 0.07); }

/* ---------- cards ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.card + .card { margin-top: 16px; }
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.card-title { font-size: 14px; font-weight: 600; }
.card-desc { font-size: 12px; color: var(--text-3); margin-top: 2px; }
.card-body { padding: 16px; }
.card-body.tight { padding: 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* ---------- kpi ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.kpi {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px 15px;
}
.kpi-label { font-size: 12px; color: var(--text-2); display: flex; align-items: center; gap: 6px; }
.kpi-value {
  font-size: 25px;
  font-weight: 600;
  letter-spacing: -0.6px;
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
}
.kpi-value small { font-size: 13px; font-weight: 500; color: var(--text-3); margin-left: 2px; letter-spacing: 0; }
.kpi-foot { font-size: 11px; color: var(--text-3); margin-top: 5px; }
.kpi-foot b { color: var(--text-2); font-weight: 500; }

/* ---------- table ---------- */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th {
  text-align: left;
  font-weight: 500;
  font-size: 12px;
  color: var(--text-2);
  padding: 10px 12px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: #FAFCFF; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table .name { font-weight: 500; }
.table .muted { color: var(--text-3); font-size: 12px; }

.bar {
  display: inline-block;
  width: 68px;
  height: 6px;
  background: #EDF2FA;
  border-radius: 999px;
  overflow: hidden;
  vertical-align: middle;
  margin-right: 7px;
}
.bar > i { display: block; height: 100%; background: var(--primary); border-radius: 999px; }
.bar.warn > i { background: var(--warn); }
.bar.danger > i { background: var(--danger); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}
.badge.neutral { background: #F0F3F9; color: var(--text-2); }
.badge.success { background: var(--success-weak); color: var(--success-text); }
.badge.danger { background: var(--danger-weak); color: #B91C1C; }
.badge.warn { background: var(--warn-weak); color: #B45309; }
.badge.tag { background: #F2F5FA; color: var(--text-2); font-weight: 400; }

/* ---------- alerts ---------- */
.alert-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.alert-item:last-child { border-bottom: none; }
.alert-bar { width: 3px; border-radius: 3px; background: var(--danger); align-self: stretch; flex: 0 0 3px; }
.alert-bar.mid { background: var(--warn); }
.alert-main { flex: 1; min-width: 0; }
.alert-title { font-weight: 500; font-size: 13px; }
.alert-text { font-size: 12px; color: var(--text-3); margin-top: 2px; }

/* ---------- attribution ---------- */
.attr-row { display: grid; grid-template-columns: 96px 1fr 78px 66px; align-items: center; gap: 12px; padding: 9px 0; }
.attr-key { font-size: 12px; color: var(--text-2); }
.attr-track { height: 20px; background: #F3F7FD; border-radius: 6px; overflow: hidden; position: relative; }
.attr-fill { height: 100%; background: var(--primary); border-radius: 6px; transition: width 0.25s; }
.attr-fill.low { background: var(--danger); }
.attr-fill.mid { background: var(--warn); }
.attr-value { font-size: 12px; font-weight: 500; text-align: right; font-variant-numeric: tabular-nums; }
.attr-meta { font-size: 11px; color: var(--text-3); text-align: right; }

.conclusion {
  display: flex;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 8px;
  background: var(--panel-2);
  font-size: 13px;
  line-height: 1.6;
}
.conclusion + .conclusion { margin-top: 8px; }
.conclusion .mark { flex: 0 0 6px; width: 6px; border-radius: 3px; background: var(--text-3); }
.conclusion.good .mark { background: var(--primary); }
.conclusion.bad .mark { background: var(--danger); }
.conclusion.warn .mark { background: var(--warn); }

/* ---------- leads ---------- */
.lead-item {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}
.lead-item:last-child { border-bottom: none; }
.lead-item:hover { background: #FAFCFF; }
.lead-who { font-weight: 500; font-size: 13px; }
.lead-phone { font-size: 12px; color: var(--text-2); font-variant-numeric: tabular-nums; }
.lead-time { font-size: 11px; color: var(--text-3); margin-top: 2px; }
.link-btn {
  border: none;
  background: none;
  color: var(--primary);
  font-size: 11px;
  cursor: pointer;
  padding: 0 0 0 7px;
  font-family: inherit;
}
.link-btn:hover { text-decoration: underline; }
.lead-attr { min-width: 0; }
.lead-source { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--text); min-width: 0; }
.lead-creative {
  font-weight: 500;
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lead-ids {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--text-3);
  margin-top: 3px;
  font-variant-numeric: tabular-nums;
}
.lead-meta { font-size: 11px; color: var(--text-3); margin-top: 2px; }
.lead-tags { display: flex; gap: 5px; margin-top: 5px; flex-wrap: wrap; }
.lead-actions { display: flex; gap: 6px; }

.empty { padding: 48px 20px; text-align: center; color: var(--text-3); font-size: 13px; }

/* ---------- report ---------- */
.report-hero {
  background: #0E1B33;
  border-radius: var(--radius);
  padding: 22px 24px;
  color: #E6EEFA;
  margin-bottom: 16px;
}
.report-hero h2 { margin: 0 0 4px; font-size: 17px; font-weight: 600; }
.report-hero p { margin: 0; font-size: 12px; color: #8FA3BF; }
.report-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 18px; }
.report-stat span { font-size: 11px; color: #8FA3BF; display: block; }
.report-stat strong { font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }
.report-stat em { font-style: normal; font-size: 11px; margin-left: 6px; }
.up { color: #4ADE80; }
.down { color: #F87171; }

.action-item {
  display: flex;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
}
.action-item:last-child { border-bottom: none; }
.action-p {
  flex: 0 0 30px;
  height: 20px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--danger-weak);
  color: var(--danger);
  margin-top: 1px;
}
.action-p.p1 { background: var(--warn-weak); color: var(--warn); }
.action-p.p2 { background: #EDF1F8; color: var(--text-2); }

/* ---------- settings ---------- */
.form-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 16px;
  align-items: center;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}
.form-row:last-child { border-bottom: none; }
.form-label { font-size: 13px; }
.form-label span { display: block; font-size: 11px; color: var(--text-3); margin-top: 2px; }
.form-control { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.form-control input[type="number"], .form-control input[type="text"], .form-control input[type="password"] { width: 220px; }
.hint { font-size: 11px; color: var(--text-3); }
.cb-url {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 5px 10px;
  color: var(--text-2);
  word-break: break-all;
}

.switch { position: relative; display: inline-block; width: 38px; height: 21px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span {
  position: absolute;
  inset: 0;
  background: #D8E1EF;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.16s;
}
.switch span::before {
  content: "";
  position: absolute;
  width: 17px;
  height: 17px;
  left: 2px;
  top: 2px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.16s;
}
.switch input:checked + span { background: var(--primary); }
.switch input:checked + span::before { transform: translateX(17px); }

/* ---------- modal / toast ---------- */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(11, 21, 38, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 60;
  padding: 20px;
}
.modal {
  background: #fff;
  border-radius: 12px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
  overflow: hidden;
  animation: modalIn 0.16s ease-out;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(8px) scale(0.99); } to { opacity: 1; transform: none; } }
.modal-head { padding: 16px 20px; border-bottom: 1px solid var(--line); font-weight: 600; font-size: 14px; }
.modal-body { padding: 18px 20px; max-height: 60vh; overflow-y: auto; }
.modal-foot { padding: 13px 20px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 8px; }

.reason-list { display: grid; gap: 7px; }
.reason-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.14s, background 0.14s;
}
.reason-item:hover { border-color: #B9D9C8; background: var(--panel-2); }
.reason-item.selected { border-color: var(--primary); background: var(--primary-weak); }
.reason-name { font-size: 13px; }
.reason-hint { font-size: 11px; color: var(--text-3); text-align: right; }

.toast-root { position: fixed; right: 22px; bottom: 22px; display: flex; flex-direction: column; gap: 8px; z-index: 90; }
.toast {
  background: #0E1B33;
  color: #fff;
  padding: 10px 15px;
  border-radius: 9px;
  font-size: 13px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
  animation: toastIn 0.18s ease-out;
  max-width: 360px;
}
.toast.error { background: #8C2A21; }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- auth ---------- */
.auth-body {
  margin: 0;
  min-height: 100vh;
  background: #0B1526;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}
.auth-wrap { width: 100%; max-width: 380px; }
.auth-card {
  background: #fff;
  border-radius: 14px;
  padding: 30px 28px 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
.auth-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 26px; }
.auth-brand .brand-text strong { color: var(--text); font-size: 13px; }
.auth-brand .brand-text span { color: var(--text-3); }
.auth-title { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: -0.3px; }
.auth-sub { margin: 4px 0 20px; font-size: 12px; color: var(--text-3); }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-field { display: flex; flex-direction: column; gap: 6px; }
.auth-field span { font-size: 12px; color: var(--text-2); }
.auth-field input { height: 38px; width: 100%; }
.auth-error {
  min-height: 18px;
  font-size: 12px;
  color: var(--danger);
  opacity: 0;
  transition: opacity 0.15s;
}
.auth-submit { height: 40px; width: 100%; font-size: 14px; }
.auth-hint { margin: 18px 0 0; font-size: 11px; color: var(--text-3); line-height: 1.6; text-align: center; }

/* ---------- topbar user menu ---------- */
.user-menu { position: relative; }
.user-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 11px 0 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.14s, background 0.14s;
}
.user-trigger:hover { border-color: #BBD0F0; background: var(--primary-weak); }
.user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex: 0 0 26px;
}
.user-name { font-size: 12px; font-weight: 500; color: var(--text); }
.user-caret { color: var(--text-3); display: flex; transition: transform 0.16s; }
.user-menu.open .user-caret { transform: rotate(180deg); }
.user-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 176px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 12px 30px rgba(14, 34, 66, 0.14);
  padding: 6px;
  z-index: 70;
}
.user-dropdown[hidden] { display: none; }
.user-dropdown-head { padding: 8px 10px; border-bottom: 1px solid var(--line); margin-bottom: 4px; }
.user-dropdown-head strong { display: block; font-size: 12px; color: var(--text); font-weight: 600; }
.user-dropdown-head span { font-size: 11px; color: var(--text-3); }
.user-dropdown-item {
  width: 100%;
  text-align: left;
  border: none;
  background: none;
  padding: 8px 10px;
  border-radius: 7px;
  font-size: 12px;
  color: var(--danger);
  cursor: pointer;
  font-family: inherit;
}
.user-dropdown-item:hover { background: var(--danger-weak); }

/* ---------- misc ---------- */
.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.spacer { flex: 1; }
.mono { font-variant-numeric: tabular-nums; }
.legend { display: flex; gap: 16px; font-size: 11px; color: var(--text-3); align-items: center; }
.legend i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 5px; vertical-align: middle; }
.loading { padding: 60px; text-align: center; color: var(--text-3); font-size: 13px; }

@media (max-width: 1180px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .report-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .sidebar { display: none; }
  .grid-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 8px; }
  .lead-item { grid-template-columns: 1fr; }
}