:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --panel: #ffffff;
  --text: #182230;
  --muted: #667085;
  --line: #d8e0ea;
  --primary: #1f6feb;
  --primary-dark: #195ec8;
  --success-bg: #ecfdf3;
  --success: #067647;
  --warning-bg: #fff7ed;
  --warning: #b54708;
  --info-bg: #eff6ff;
  --info: #175cd3;
  font-family: "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.app-shell {
  max-width: 1220px;
  margin: 0 auto;
  padding: 18px 24px 28px;
}

.topbar,
.panel-head,
.account-bar,
.actions {
  display: flex;
  align-items: center;
}

.topbar {
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 26px;
  line-height: 1.2;
}

h2 {
  font-size: 17px;
  margin-bottom: 14px;
}

p,
.hint {
  color: var(--muted);
  font-size: 13px;
}

.auth-wrap,
.customer-layout,
.admin-layout {
  display: grid;
  gap: 16px;
}

.auth-wrap {
  min-height: 420px;
  place-items: start center;
}

.auth-card {
  width: min(460px, 100%);
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 4px;
  margin-bottom: 18px;
  border: 1px solid #d8e0ea;
  border-radius: 8px;
  background: #f2f5f8;
}

button.tab {
  min-height: 34px;
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 7px 10px;
}

button.tab:hover {
  background: #ffffff;
  color: var(--text);
}

button.tab.active {
  background: #ffffff;
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(16, 24, 40, 0.08);
}

.customer-summary {
  padding: 16px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.tool-panel {
  min-width: 0;
}

.option-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 10px 0 12px;
}

.check-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: #344054;
  font-size: 13px;
  font-weight: 600;
}

.check-line input {
  width: 16px;
  height: 16px;
  margin: 0;
}

.visual-output {
  min-height: 150px;
  max-height: 240px;
  overflow: auto;
  border: 1px solid #cfd8e3;
  border-radius: 7px;
  background: #fbfdff;
  padding: 10px;
  line-height: 2.1;
  font-size: 13px;
  overflow-wrap: anywhere;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.panel-head {
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-head.compact {
  margin-bottom: 10px;
}

.admin-layout {
  align-items: start;
}

.admin-hero {
  padding: 16px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.metric {
  border: 1px solid #e1e7ef;
  border-radius: 7px;
  background: #fbfdff;
  padding: 12px;
}

.metric strong {
  display: block;
  color: var(--text);
  font-size: 22px;
  line-height: 1.1;
  margin-bottom: 5px;
}

.metric span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.admin-main {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.admin-main.no-side {
  grid-template-columns: 1fr;
}

.admin-side {
  display: grid;
  gap: 16px;
}

.admin-content {
  min-width: 0;
}

.admin-bottom {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.payment-admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 16px;
}

.section-title {
  margin-top: 16px;
}

.list-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 360px) auto;
  gap: 10px;
  align-items: end;
  margin: 4px 0 12px;
}

.list-toolbar label {
  margin-bottom: 0;
}

.list-toolbar button {
  min-height: 39px;
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.package-card {
  display: grid;
  gap: 8px;
  border: 1px solid #e1e7ef;
  border-radius: 7px;
  background: #fbfdff;
  padding: 14px;
}

.package-card strong {
  font-size: 15px;
}

.package-card span {
  color: var(--muted);
  font-size: 13px;
}

.package-card b {
  font-size: 20px;
}

label {
  display: grid;
  gap: 7px;
  color: #344054;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}

input,
textarea {
  width: 100%;
  border: 1px solid #cfd8e3;
  border-radius: 7px;
  padding: 10px;
  color: #1f2937;
  background: #fbfdff;
  font: inherit;
  font-weight: 400;
}

textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.65;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
}

button {
  border: 1px solid var(--primary);
  border-radius: 6px;
  background: var(--primary);
  color: #ffffff;
  padding: 9px 15px;
  min-height: 38px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

button.secondary,
button.ghost {
  background: #ffffff;
  border-color: #c8d3df;
  color: #233143;
}

button.secondary:hover,
button.ghost:hover {
  background: #f4f8fc;
}

button.inline-copy {
  margin-top: 6px;
  padding: 6px 9px;
  min-height: 30px;
  font-size: 12px;
}

.actions {
  gap: 8px;
  margin: 12px 0;
}

.badge,
.status {
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  background: var(--info-bg);
  color: var(--info);
  white-space: nowrap;
}

.status {
  padding: 9px 10px;
  margin: 10px 0;
  border: 1px solid #e1e7ef;
}

.muted {
  color: var(--muted);
  background: #f2f5f8;
}

.info {
  color: var(--info);
  background: var(--info-bg);
  border-color: #c7ddff;
}

.success {
  color: var(--success);
  background: var(--success-bg);
  border-color: #b7e4c7;
}

.warning {
  color: var(--warning);
  background: var(--warning-bg);
  border-color: #fed7aa;
}

.hidden {
  display: none !important;
}

.invite-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: end;
}

.table-list,
.data-table {
  display: grid;
  gap: 8px;
}

.data-table {
  overflow-x: auto;
}

.table-row {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.7fr 0.8fr;
  gap: 12px;
  align-items: center;
  min-width: 640px;
  padding: 10px 12px;
  border: 1px solid #e1e7ef;
  background: #fbfdff;
  font-size: 13px;
}

.table-row.manage-row {
  grid-template-columns: 1.2fr 0.8fr 0.9fr minmax(260px, 1.25fr);
}

.table-row.agent-row {
  grid-template-columns: 1.1fr minmax(180px, 1.4fr) 0.75fr 0.5fr;
  min-width: 720px;
}

.table-row:first-child {
  border-radius: 7px 7px 0 0;
}

.table-row:last-child {
  border-radius: 0 0 7px 7px;
}

.table-row:only-child {
  border-radius: 7px;
}

.table-row + .table-row {
  margin-top: -8px;
}

.table-row.header {
  background: #f2f5f8;
  color: #344054;
  font-weight: 700;
}

.table-row strong {
  display: block;
  color: #344054;
  font-size: 12px;
}

.table-row span {
  overflow-wrap: anywhere;
}

.line-actions {
  display: grid;
  grid-template-columns: minmax(72px, 1fr) auto auto;
  gap: 8px;
  align-items: center;
}

.line-actions input {
  min-height: 32px;
  padding: 7px 9px;
}

.line-actions button {
  min-height: 32px;
  padding: 6px 10px;
  white-space: nowrap;
}

.account-actions button {
  min-height: 32px;
  padding: 6px 10px;
  white-space: nowrap;
}

.account-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.agent-edit {
  min-height: 32px;
  padding: 6px 12px;
}

button.danger {
  border-color: #fecdca;
  color: #b42318;
}

button.danger:hover {
  background: #fff4f3;
  border-color: #fda29b;
}

body.modal-open {
  overflow: hidden;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.36);
}

.modal-panel {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
  max-height: min(720px, calc(100vh - 40px));
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 24px 60px rgba(16, 24, 40, 0.22);
}

.editor-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 14px;
}

.editor-grid label {
  margin-bottom: 0;
}

.editor-section {
  border-top: 1px solid #e1e7ef;
  padding-top: 14px;
  margin-top: 14px;
}

.editor-section h3 {
  margin: 0 0 10px;
  font-size: 14px;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  max-width: min(420px, calc(100vw - 44px));
  background: #182230;
  color: #ffffff;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 13px;
  box-shadow: 0 12px 30px rgba(16, 24, 40, 0.18);
}

@media (max-width: 860px) {
  .app-shell {
    padding: 16px;
  }

  .topbar,
  .panel-head,
  .auth-wrap,
  .customer-layout,
  .tool-grid,
  .admin-layout,
  .admin-main,
  .admin-bottom,
  .payment-admin-grid,
  .package-grid,
  .list-toolbar,
  .invite-box {
    grid-template-columns: 1fr;
  }

  .topbar,
  .panel-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }
}