:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-alt: #f0f4f8;
  --line: #d8e0ea;
  --text: #152033;
  --muted: #64748b;
  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --success: #0f766e;
  --danger: #b42318;
  --warning-bg: #fff7ed;
  --warning-line: #fed7aa;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  min-height: 42px;
  padding: 0 16px;
}

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

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.app-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0;
}

.toolbar,
.workspace > *,
.status-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.toolbar {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  overflow: hidden;
  padding: 26px;
}

.toolbar::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: var(--accent);
  content: '';
}

.title-block {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.mail-title-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
}

.mail-mode-badge {
  padding: 5px 8px;
  border: 1px solid #99d5ca;
  border-radius: 6px;
  background: #ecfdf5;
  color: var(--success);
  font-size: 11px;
  font-weight: 800;
}

.eyebrow {
  color: var(--success);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 34px;
  line-height: 1.15;
}

h2 {
  font-size: 18px;
  line-height: 1.3;
}

.site-brand {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  min-height: 58px;
  padding: 4px 2px 16px;
}

.site-brand-home {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--text);
  text-decoration: none;
}

.site-brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border: 1px solid #b8c8f8;
  border-radius: 8px;
  background: #eef3ff;
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 900;
}

.site-brand h1 {
  font-size: 25px;
  line-height: 1.2;
}

.site-brand h1 span {
  color: var(--accent-strong);
}

.site-brand-meta {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.tool-title {
  color: var(--text);
  font-size: 34px;
  line-height: 1.15;
}

.mail-form {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}

.mail-form input[type="email"] {
  min-height: 48px;
  font-size: 16px;
}

.mail-form button {
  min-width: 132px;
  min-height: 48px;
}

#fetchButton.is-loading {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
}

#fetchButton.is-loading::before {
  width: 15px;
  height: 15px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 50%;
  content: '';
  animation: inbox-spin 700ms linear infinite;
}

@keyframes inbox-spin {
  to {
    transform: rotate(360deg);
  }
}

.mail-notice {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  margin-top: 14px;
  padding: 17px 18px;
  border: 1px solid #f0d386;
  border-left: 4px solid #c88400;
  border-radius: 8px;
  background: #fffbeb;
  color: #523b12;
}

.mail-notice-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #a86400;
  color: #fff;
  font-size: 19px;
  font-weight: 900;
}

.mail-notice-content {
  display: grid;
  gap: 6px;
}

.mail-notice-content h2 {
  color: #704700;
  font-size: 16px;
}

.mail-notice-content p {
  font-size: 13px;
  line-height: 1.65;
}

.mail-notice-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 13px;
  border: 1px solid #c98b1e;
  border-radius: 7px;
  background: #fff;
  color: #754900;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.mail-notice-link:hover {
  background: #fff5d6;
}

.mail-notice-link:focus-visible {
  outline: 3px solid rgba(200, 132, 0, 0.22);
  outline-offset: 2px;
}

[hidden] {
  display: none !important;
}

.tool-tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.tool-tabs::after {
  content: '';
  flex: 0 0 12px;
}

.tool-tab {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 16px;
  border: 0;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
}

.tool-tab:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.tool-tab.is-active {
  border-bottom-color: var(--accent);
  background: transparent;
  color: var(--accent-strong);
}

.input-wrap,
.select-wrap {
  display: grid;
  gap: 6px;
}

.input-wrap span,
.select-wrap span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  min-height: 42px;
  outline: none;
  padding: 0 12px;
}

input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.16);
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.toggle input {
  width: 18px;
  min-height: 18px;
}

.select-wrap {
  width: 130px;
}

.service-select {
  width: 170px;
}

.secondary,
.icon-button {
  background: var(--surface-alt);
  border: 1px solid var(--line);
  color: var(--text);
}

.secondary:hover,
.icon-button:hover {
  background: #e2e8f0;
}

.icon-button {
  min-height: 36px;
  padding: 0 12px;
}

.status-panel {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  margin-top: 14px;
  padding: 14px 18px;
  border-left: 4px solid var(--success);
  box-shadow: none;
  overflow: hidden;
  color: var(--muted);
  font-size: 14px;
}

.status-panel.is-pending::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  width: 28%;
  height: 3px;
  background: var(--accent);
  content: '';
  animation: inbox-progress 1100ms ease-in-out infinite;
}

@keyframes inbox-progress {
  from {
    transform: translateX(-120%);
  }
  to {
    transform: translateX(460%);
  }
}

.status-panel.is-error {
  background: var(--warning-bg);
  border-color: var(--warning-line);
  color: var(--danger);
  border-left-color: var(--danger);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(290px, 360px) minmax(0, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.message-list,
.message-view {
  min-height: 590px;
  overflow: hidden;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  min-height: 68px;
  padding: 15px 18px;
  background: #fbfcff;
}

#messageMeta {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}

#messageList {
  max-height: 522px;
  overflow: auto;
}

.list-empty {
  display: grid;
  place-items: center;
  min-height: 180px;
  color: var(--muted);
  padding: 30px 18px;
  text-align: center;
}

.message-item {
  display: grid;
  gap: 6px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  padding: 14px 16px;
}

.message-item:hover,
.message-item.is-active {
  background: #eef6ff;
}

.message-item.is-unread .sender,
.message-item.is-unread .subject {
  color: var(--text);
  font-weight: 800;
}

.message-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.sender,
.subject {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sender {
  color: var(--text);
  font-size: 14px;
}

.time {
  color: var(--muted);
  flex: 0 0 auto;
  font-size: 12px;
}

.subject {
  color: var(--muted);
  font-size: 13px;
}

.unread-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  margin-right: 7px;
}

#messageFrame {
  display: block;
  width: 100%;
  height: 521px;
  border: 0;
  background: #fff;
}

.totp-tool,
.uid-tool {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.totp-heading,
.uid-heading {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.privacy-badge {
  padding: 7px 10px;
  border: 1px solid #99d5ca;
  border-radius: 6px;
  background: #ecfdf5;
  color: var(--success);
  font-size: 12px;
  font-weight: 800;
}

.totp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
  gap: 28px;
  align-items: start;
  padding-top: 24px;
}

.totp-form {
  display: grid;
  gap: 16px;
}

.secret-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.compact-button {
  min-width: 68px;
}

.totp-actions {
  display: flex;
  gap: 10px;
}

.field-error {
  color: var(--danger);
  font-size: 13px;
  font-weight: 700;
}

.totp-output {
  display: grid;
  justify-items: center;
  gap: 15px;
  min-height: 330px;
  padding: 24px;
  border-left: 1px solid var(--line);
  text-align: center;
}

.totp-output-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.totp-code {
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1;
}

.totp-countdown-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  color: var(--muted);
  font-size: 12px;
}

.totp-progress {
  height: 7px;
  overflow: hidden;
  border-radius: 4px;
  background: #dce3ea;
}

.totp-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--success);
  transition: width 200ms linear;
}

.totp-meta {
  display: grid;
  width: 100%;
  margin: 2px 0 0;
  border-top: 1px solid var(--line);
  text-align: left;
}

.totp-meta div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}

.totp-meta dt,
.totp-meta dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 13px;
}

.totp-meta dt {
  color: var(--muted);
  font-weight: 700;
}

.uid-form {
  display: grid;
  gap: 14px;
  padding: 24px 0;
}

.uid-form label {
  display: grid;
  gap: 7px;
}

.uid-form label > span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.uid-form textarea {
  width: 100%;
  min-height: 178px;
  resize: vertical;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  line-height: 1.55;
  outline: none;
}

.uid-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.16);
}

.uid-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.uid-progress-section {
  display: grid;
  gap: 10px;
  padding: 16px 0 22px;
  border-top: 1px solid var(--line);
}

.uid-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--muted);
  font-size: 13px;
}

.uid-stat-live {
  color: var(--success);
}

.uid-stat-inactive {
  color: var(--danger);
}

.uid-stat-error {
  color: #9a6700;
}

.uid-progress {
  height: 9px;
  overflow: hidden;
  border-radius: 5px;
  background: #dce3ea;
}

.uid-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--success);
  transition: width 180ms ease;
}

.uid-note {
  color: var(--muted);
  font-size: 12px;
}

.uid-results-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.uid-result-panel {
  min-width: 0;
  padding: 18px;
}

.uid-result-panel + .uid-result-panel {
  border-left: 1px solid var(--line);
}

.uid-result-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.uid-result-list {
  min-height: 150px;
  max-height: 300px;
  overflow: auto;
  border-top: 1px solid var(--line);
}

.uid-result-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 2px;
  border-bottom: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

.uid-result-item span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
}

.uid-result-item span:last-child,
.uid-result-empty {
  color: var(--muted);
}

.facebook-nav-tool {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.facebook-nav-heading {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  padding: 24px;
  border-bottom: 1px solid var(--line);
  background: #fbfcff;
}

.facebook-nav-controls {
  display: grid;
  grid-template-columns: minmax(250px, 1fr) minmax(180px, 0.5fr) auto auto;
  gap: 16px;
  align-items: end;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
}

.facebook-nav-search,
.facebook-nav-business-id {
  display: grid;
  gap: 6px;
}

.facebook-nav-search span,
.facebook-nav-business-id span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.facebook-nav-filters {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-alt);
}

.facebook-nav-filter {
  min-height: 34px;
  padding: 0 13px;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
}

.facebook-nav-filter:hover {
  background: #fff;
  color: var(--text);
}

.facebook-nav-filter.is-active {
  background: #fff;
  color: var(--accent-strong);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.12);
}

.facebook-nav-count {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.facebook-nav-groups {
  display: grid;
  padding: 0 24px 24px;
}

.facebook-nav-group {
  padding-top: 24px;
}

.facebook-nav-group + .facebook-nav-group {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.facebook-nav-group-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 13px;
}

.facebook-nav-group-head h2 {
  color: var(--text);
  font-size: 17px;
}

.facebook-nav-group-head p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.facebook-nav-group-head > span {
  display: grid;
  place-items: center;
  min-width: 26px;
  height: 24px;
  border-radius: 6px;
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.facebook-nav-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.facebook-nav-link {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 20px;
  gap: 12px;
  align-items: center;
  min-width: 0;
  min-height: 74px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  text-decoration: none;
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.facebook-nav-link:hover {
  border-color: #a9bdf8;
  box-shadow: 0 5px 15px rgba(37, 99, 235, 0.09);
  transform: translateY(-1px);
}

.facebook-nav-link:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.22);
  outline-offset: 1px;
}

.facebook-nav-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid #b8c8f8;
  border-radius: 7px;
  background: #eef3ff;
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 900;
}

.facebook-nav-group[data-group="pages"] .facebook-nav-mark {
  border-color: #9dd8cd;
  background: #ecfdf5;
  color: var(--success);
}

.facebook-nav-group[data-group="ads"] .facebook-nav-mark {
  border-color: #f0c892;
  background: #fff8eb;
  color: #9a5b0a;
}

.facebook-nav-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.facebook-nav-copy strong,
.facebook-nav-copy span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.facebook-nav-copy strong {
  font-size: 14px;
}

.facebook-nav-copy span {
  color: var(--muted);
  font-size: 12px;
}

.facebook-nav-arrow {
  color: var(--muted);
  font-size: 16px;
  text-align: center;
}

.facebook-nav-empty {
  padding: 54px 24px;
  color: var(--muted);
  text-align: center;
}

.environment-tool {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.environment-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  border-bottom: 1px solid var(--line);
  background: #fbfcff;
}

.environment-intro {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 22px 24px;
}

.environment-intro h2 {
  font-size: 17px;
}

.environment-intro p,
.environment-group-head p,
.environment-footnote {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.environment-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}

.environment-status {
  position: relative;
  overflow: hidden;
  margin: 0 24px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 7px;
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.environment-status.is-busy::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  width: 28%;
  height: 3px;
  background: var(--accent);
  content: '';
  animation: inbox-progress 1100ms ease-in-out infinite;
}

.environment-status.is-success {
  border-left-color: var(--success);
  background: #f0fdfa;
  color: var(--success);
}

.environment-status.is-warning {
  border-left-color: #c88400;
  background: #fffbeb;
  color: #754900;
}

.environment-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 22px 24px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcff;
}

.environment-summary-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-width: 0;
  padding: 14px;
}

.environment-summary-item + .environment-summary-item {
  border-left: 1px solid var(--line);
}

.environment-summary-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid #b8c8f8;
  border-radius: 7px;
  background: #eef3ff;
  color: var(--accent-strong);
  font-size: 10px;
  font-weight: 900;
}

.environment-summary-item > span:last-child {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.environment-summary-item small,
.environment-summary-item strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.environment-summary-item small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.environment-summary-item strong {
  font-size: 13px;
}

.environment-warnings {
  margin: 20px 24px 0;
  padding: 16px 18px;
  border: 1px solid #f0d386;
  border-left: 4px solid #c88400;
  border-radius: 8px;
  background: #fffbeb;
  color: #60420d;
}

.environment-warnings h2 {
  color: #704700;
  font-size: 14px;
}

.environment-warnings ul {
  display: grid;
  gap: 6px;
  margin: 9px 0 0;
  padding-left: 20px;
  font-size: 12px;
  line-height: 1.55;
}

.environment-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 32px;
  padding: 24px;
}

.environment-group {
  min-width: 0;
  padding-top: 18px;
  border-top: 2px solid var(--line);
}

.environment-group-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}

.environment-group-head h2 {
  font-size: 16px;
}

.environment-group-head > span {
  display: grid;
  place-items: center;
  min-width: 26px;
  height: 24px;
  border-radius: 6px;
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.environment-detail-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.environment-detail-item {
  display: grid;
  grid-template-columns: minmax(105px, 0.8fr) minmax(0, 1.2fr);
  gap: 14px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line);
}

.environment-detail-item dt,
.environment-detail-item dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 12px;
}

.environment-detail-item dt {
  color: var(--muted);
  font-weight: 700;
}

.environment-detail-item dd {
  color: var(--text);
  text-align: right;
}

.environment-detail-item.is-normal dd {
  color: var(--success);
  font-weight: 800;
}

.environment-detail-item.is-attention dd {
  color: #9a6700;
  font-weight: 800;
}

.environment-footnote {
  margin: 0;
  padding: 16px 24px 20px;
  border-top: 1px solid var(--line);
}

.cookie-tool {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.cookie-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  border-bottom: 1px solid var(--line);
  background: #fbfcff;
}

.cookie-workspace {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cookie-pane {
  display: grid;
  gap: 14px;
  min-width: 0;
  padding: 24px;
}

.cookie-pane + .cookie-pane {
  border-left: 1px solid var(--line);
}

.cookie-pane-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  min-height: 48px;
}

.cookie-pane-head h2 {
  font-size: 17px;
}

.cookie-pane-head p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.cookie-format-badge {
  flex: 0 0 auto;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.cookie-pane textarea {
  width: 100%;
  min-height: 330px;
  resize: vertical;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.55;
  overflow-wrap: anywhere;
  outline: none;
}

.cookie-pane textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.16);
}

.cookie-pane textarea[readonly] {
  background: #fbfcff;
}

.cookie-pane-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cookie-pane-actions.is-output {
  justify-content: flex-end;
}

.cookie-status {
  margin: 0 24px 24px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--success);
  border-radius: 7px;
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 13px;
}

.cookie-status.is-success {
  background: #f0fdfa;
  color: var(--success);
}

.cookie-status.is-error {
  border-left-color: var(--danger);
  background: var(--warning-bg);
  color: var(--danger);
}

.uid-result-empty {
  display: block;
  padding: 20px 2px;
  font-size: 13px;
}

@media (min-width: 820px) {
  .toolbar {
    grid-template-columns: 0.75fr 1.25fr;
    align-items: end;
  }

  .control-row {
    grid-column: 2;
  }
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100vw - 20px, 1180px);
    padding: 10px 0;
  }

  .mail-form,
  .workspace,
  .totp-layout {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 28px;
  }

  .site-brand {
    align-items: flex-start;
    min-height: 0;
    padding: 4px 0 14px;
  }

  .site-brand-mark {
    width: 38px;
    height: 38px;
  }

  .site-brand h1 {
    font-size: 20px;
  }

  .site-brand-meta {
    display: none;
  }

  .tool-title {
    font-size: 28px;
  }

  .mail-form button,
  .control-row .secondary {
    width: 100%;
  }

  .mail-notice {
    grid-template-columns: 34px minmax(0, 1fr);
    padding: 16px;
  }

  .mail-notice-link {
    grid-column: 1 / -1;
    width: 100%;
  }

  .select-wrap {
    flex: 1;
    min-width: 150px;
  }

  .message-list,
  .message-view {
    min-height: 420px;
  }

  #messageFrame {
    height: 420px;
  }

  .totp-tool {
    padding: 18px;
  }

  .totp-heading,
  .uid-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .totp-output {
    min-height: 0;
    padding: 22px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .totp-code {
    font-size: 36px;
  }

  .uid-results-grid {
    grid-template-columns: 1fr;
  }

  .uid-result-panel {
    padding: 18px 0;
  }

  .uid-result-panel + .uid-result-panel {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .facebook-nav-grid {
    grid-template-columns: 1fr;
  }

  .facebook-nav-heading {
    align-items: flex-start;
    flex-direction: column;
    padding: 20px;
  }

  .facebook-nav-controls {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px 20px;
  }

  .facebook-nav-filters {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .facebook-nav-filter {
    padding: 0 8px;
  }

  .facebook-nav-count {
    min-height: 0;
  }

  .facebook-nav-groups {
    padding: 0 20px 20px;
  }

  .facebook-nav-link {
    min-height: 70px;
  }

  .environment-heading,
  .environment-intro {
    align-items: flex-start;
    flex-direction: column;
    padding: 20px;
  }

  .environment-actions,
  .environment-actions button {
    width: 100%;
  }

  .environment-status,
  .environment-summary,
  .environment-warnings {
    margin-right: 20px;
    margin-left: 20px;
  }

  .environment-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .environment-summary-item + .environment-summary-item {
    border-left: 0;
  }

  .environment-summary-item:nth-child(even) {
    border-left: 1px solid var(--line);
  }

  .environment-summary-item:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .environment-groups {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px;
  }

  .environment-footnote {
    padding: 16px 20px 20px;
  }

  .cookie-heading {
    align-items: flex-start;
    flex-direction: column;
    padding: 20px;
  }

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

  .cookie-pane {
    padding: 20px;
  }

  .cookie-pane + .cookie-pane {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .cookie-pane textarea {
    min-height: 240px;
  }

  .cookie-pane-actions,
  .cookie-pane-actions.is-output {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: stretch;
  }

  .cookie-pane-actions.is-output button:first-child {
    grid-column: 1 / -1;
  }

  .cookie-status {
    margin: 0 20px 20px;
  }
}