:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #eef2f5;
  --text: #172033;
  --muted: #5e6a7d;
  --border: #d8dee8;
  --primary: #172033;
  --primary-hover: #25324a;
  --accent: #0f766e;
  --accent-hover: #115e59;
  --danger: #b42318;
  --danger-bg: #fff1f0;
  --warning: #9a5b13;
  --success-bg: #edfdf7;
  --shadow: 0 12px 34px rgba(22, 32, 51, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", Arial, "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  touch-action: manipulation;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.32);
  outline-offset: 2px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.28rem, 1.55vw, 1.6rem);
  line-height: 1.1;
}

h2 {
  font-size: 1rem;
  line-height: 1.25;
}

h3 {
  font-size: 1rem;
  line-height: 1.25;
}

.login-shell {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.1), transparent 32%),
    linear-gradient(315deg, rgba(154, 91, 19, 0.12), transparent 34%),
    var(--bg);
}

.login-panel {
  width: min(100%, 420px);
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  border-radius: var(--radius);
  background: var(--primary);
}

.brand-mark span {
  width: 20px;
  height: 20px;
  border: 3px solid #fff;
  border-top-color: var(--accent);
  border-radius: 50%;
}

.login-copy {
  margin-top: 10px;
  margin-bottom: 22px;
  color: var(--muted);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px clamp(16px, 3vw, 40px);
  color: #fff;
  background: var(--primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.eyebrow {
  margin-bottom: 2px;
  color: #a7f3d0;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
}

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

.user-label {
  color: #d8dee8;
  font-size: 0.86rem;
}

.dashboard {
  width: min(100%, 1480px);
  margin: 0 auto;
  padding: 24px clamp(16px, 3vw, 40px) 48px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.metric {
  min-height: 96px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.metric-value {
  display: block;
  font-family: "Fira Code", Consolas, monospace;
  font-size: 1.85rem;
  font-weight: 700;
}

.metric-label {
  color: var(--muted);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.workspace-single {
  grid-template-columns: 1fr;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(320px, 430px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.side-panel,
.main-panel,
.settings-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.side-panel,
.main-panel {
  padding: 20px;
}

.settings-panel {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  margin-top: 20px;
  padding: 20px;
}

.settings-panel-standalone {
  margin-top: 0;
}

.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.form-stack,
.settings-form {
  display: grid;
  gap: 14px;
}

.form-hint {
  margin-top: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.settings-form {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: end;
}

.settings-stack {
  display: grid;
  gap: 16px;
}

.settings-form-compact {
  grid-template-columns: minmax(0, 1fr) auto;
}

.toggle-field {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.toggle-field input[type="checkbox"] {
  width: 20px;
  min-height: 20px;
  flex: 0 0 auto;
}

.setting-subtitle {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.whitelist-list {
  min-height: 44px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fbfcfe;
}

.ip-pill {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.advanced-fields {
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.advanced-fields summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  cursor: pointer;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 750;
}

.advanced-fields .field-grid {
  padding-top: 10px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 650;
}

input,
textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  background: #fff;
}

textarea {
  resize: vertical;
  min-height: 112px;
  font-family: "Fira Code", Consolas, monospace;
  font-size: 0.86rem;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.button svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.button[disabled] {
  cursor: not-allowed;
  opacity: 0.58;
}

.button-primary {
  color: #fff;
  background: var(--accent);
}

.button-primary:hover {
  background: var(--accent-hover);
}

.button-secondary {
  color: var(--text);
  background: var(--surface-2);
  border-color: var(--border);
}

.topbar .button-secondary {
  min-height: 34px;
  padding: 5px 10px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.22);
  font-size: 0.86rem;
}

.button-danger {
  color: #fff;
  background: var(--danger);
}

.accounts-root {
  display: grid;
  gap: 18px;
}

.account-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.account-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: #fbfcfe;
  border-bottom: 1px solid var(--border);
}

.account-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.88rem;
}

.account-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.instance-table {
  width: 100%;
  border-collapse: collapse;
}

.instance-table th,
.instance-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.instance-table th {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.instance-table tbody tr {
  transition: background-color 160ms ease, box-shadow 160ms ease;
}

.instance-table tbody tr:hover,
.instance-table tbody tr:focus-within {
  background: #dff5ef;
}

.instance-table tbody tr:hover td,
.instance-table tbody tr:focus-within td {
  background: #dff5ef;
  border-bottom-color: #9fd8cd;
}

.instance-table tbody tr:hover td:first-child,
.instance-table tbody tr:focus-within td:first-child {
  box-shadow: inset 5px 0 0 var(--accent);
}

.instance-table tbody tr:hover td:last-child,
.instance-table tbody tr:focus-within td:last-child {
  box-shadow: inset -1px 0 0 rgba(15, 118, 110, 0.3);
}

.instance-table tr:last-child td {
  border-bottom: 0;
}

.instance-title {
  font-weight: 800;
}

.instance-name-block {
  display: grid;
  gap: 4px;
}

.instance-name-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32px;
  align-items: center;
  gap: 6px;
}

.instance-name-row .instance-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.instance-name-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32px 32px;
  align-items: center;
  gap: 6px;
  max-width: 100%;
}

.icon-button {
  width: 32px;
  min-width: 32px;
  min-height: 32px;
  flex: 0 0 auto;
  padding: 0;
}

.instance-name-form input {
  width: 100%;
  min-width: 0;
}

.mono {
  font-family: "Fira Code", Consolas, monospace;
  font-size: 0.86rem;
}

.status-pill {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  color: #0b3b2e;
  background: var(--success-bg);
  font-size: 0.78rem;
  font-weight: 800;
}

.status-pill.warn {
  color: var(--warning);
  background: #fff7ed;
}

.schedule-row,
.api-row,
.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.inline-check {
  min-height: 32px;
  display: inline-flex;
  grid-template-columns: none;
  align-items: center;
  gap: 6px;
  font-size: 0.86rem;
  font-weight: 650;
}

.schedule-row input[type="checkbox"] {
  width: 20px;
  min-height: 20px;
}

.schedule-row input[type="number"] {
  width: 92px;
}

.api-input {
  min-width: min(360px, 100%);
  flex: 1 1 240px;
}

.muted {
  color: var(--muted);
}

.small-text {
  margin-top: 16px;
  font-size: 0.86rem;
}

.instance-table .small-text {
  margin-top: 4px;
}

.small-inline {
  margin-top: 6px;
  font-size: 0.86rem;
}

.form-status {
  display: none;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 650;
}

.form-status.show {
  display: block;
}

.form-status.info,
.form-status.success {
  color: #0f4f45;
  background: #ecfdf5;
  border: 1px solid #b7f0d3;
}

.form-status.error {
  color: var(--danger);
  background: var(--danger-bg);
  border: 1px solid #ffd0cc;
}

.sync-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
}

.sync-badge.syncing {
  color: #0f4f45;
  background: #ecfdf5;
}

.sync-badge.ok {
  color: #0b3b2e;
  background: var(--success-bg);
}

.sync-badge.error {
  color: var(--danger);
  background: var(--danger-bg);
}

.alert {
  margin-bottom: 14px;
  padding: 10px 12px;
  border-radius: 6px;
}

.alert-error {
  color: var(--danger);
  background: var(--danger-bg);
  border: 1px solid #ffd0cc;
}

.empty-state {
  padding: 36px 16px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.error-line {
  margin-top: 8px;
  color: var(--danger);
  font-size: 0.86rem;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 100;
  width: min(420px, calc(100vw - 40px));
  min-height: 44px;
  display: none;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  background: #fff;
  box-shadow: var(--shadow);
}

.toast.show {
  display: flex;
}

.toast.error {
  color: var(--danger);
  background: var(--danger-bg);
}

@media (max-width: 1060px) {
  .workspace,
  .page-grid,
  .settings-panel,
  .settings-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .topbar {
    padding: 10px 16px;
  }

  .dashboard {
    padding: 16px 16px 32px;
  }

  .topbar,
  .section-header,
  .account-header {
    align-items: stretch;
    flex-direction: column;
  }

  .metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 12px;
  }

  .metric {
    min-height: 66px;
    padding: 10px 12px;
  }

  .metric-value {
    font-size: 1.4rem;
    line-height: 1.15;
  }

  .metric-label {
    font-size: 0.8rem;
  }

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

  .account-actions,
  .topbar-actions {
    justify-content: flex-start;
  }

  .instance-table,
  .instance-table thead,
  .instance-table tbody,
  .instance-table tr,
  .instance-table th,
  .instance-table td {
    display: block;
  }

  .instance-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }

  .instance-table tr {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
  }

  .instance-table tr:last-child {
    border-bottom: 0;
  }

  .instance-table td {
    display: grid;
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 8px;
    padding: 5px 0;
    border-bottom: 0;
    line-height: 1.35;
  }

  .instance-table td::before {
    content: attr(data-label);
    grid-column: 1;
    grid-row: 1;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
  }

  .instance-table td > * {
    grid-column: 2;
    min-width: 0;
  }

  .schedule-row,
  .api-row,
  .row-actions {
    gap: 4px;
  }

  .inline-check {
    min-height: 36px;
    gap: 4px;
    font-size: 0.82rem;
  }

  .instance-table input {
    min-height: 36px;
    padding: 6px 8px;
    font-size: 0.78rem;
  }

  .instance-table .button {
    min-height: 36px;
    padding: 5px 7px;
    gap: 4px;
    font-size: 0.78rem;
  }

  .instance-table .button svg {
    width: 14px;
    height: 14px;
  }

  .schedule-row input[type="number"] {
    width: 62px;
  }

  .api-input {
    min-width: 0;
  }
}

@media (min-width: 721px) {
  .topbar {
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .dashboard {
    padding-top: 16px;
    padding-bottom: 36px;
  }

  .metrics {
    gap: 10px;
    margin-bottom: 14px;
  }

  .metric {
    min-height: 70px;
    padding: 12px 14px;
  }

  .metric-value {
    font-size: 1.5rem;
    line-height: 1.15;
  }

  .metric-label {
    font-size: 0.82rem;
  }

  .side-panel,
  .main-panel {
    padding: 14px;
  }

  .section-header {
    align-items: center;
    margin-bottom: 10px;
  }

  .section-header .muted {
    margin-top: 2px;
    font-size: 0.86rem;
  }

  .accounts-root {
    gap: 12px;
  }

  .account-header {
    padding: 10px 12px;
  }

  .account-header h3 {
    font-size: 0.95rem;
  }

  .account-meta {
    gap: 4px 10px;
    margin-top: 2px;
    font-size: 0.8rem;
  }

  .account-actions,
  .section-actions,
  .schedule-row,
  .api-row,
  .row-actions {
    gap: 6px;
  }

  .account-actions .button,
  .section-actions .button,
  .instance-table .button {
    min-height: 32px;
    padding: 5px 9px;
    gap: 6px;
    font-size: 0.82rem;
  }

  .instance-table {
    table-layout: fixed;
  }

  .instance-table th,
  .instance-table td {
    padding: 7px 10px;
    font-size: 0.9rem;
    line-height: 1.35;
  }

  .instance-table th {
    padding-top: 8px;
    padding-bottom: 6px;
    font-size: 0.72rem;
  }

  .instance-table th:nth-child(1) {
    width: 17%;
  }

  .instance-table th:nth-child(2) {
    width: 7%;
  }

  .instance-table th:nth-child(3) {
    width: 11%;
  }

  .instance-table th:nth-child(4) {
    width: 20%;
  }

  .instance-table th:nth-child(5) {
    width: 35%;
  }

  .instance-table th:nth-child(6) {
    width: 10%;
  }

  .instance-title {
    line-height: 1.25;
  }

  .instance-table .mono {
    font-size: 0.78rem;
  }

  .status-pill {
    min-height: 22px;
    padding: 2px 7px;
    font-size: 0.72rem;
  }

  .sync-badge {
    min-height: 22px;
    padding: 2px 7px;
    font-size: 0.72rem;
  }

  .instance-table input {
    min-height: 32px;
    padding: 5px 8px;
    border-radius: 5px;
    font-size: 0.82rem;
  }

  .schedule-row input[type="number"] {
    width: 72px;
  }

  .api-input {
    min-width: min(280px, 100%);
    flex-basis: 210px;
  }

  .instance-table .small-text {
    margin-top: 4px;
    font-size: 0.78rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}