:root,
html[data-theme="machine-dark"] {
  --bg-0: #060606;
  --bg-1: #0d0d0d;
  --bg-2: #151515;

  --fg-0: #f1f1f1;
  --fg-1: #d5d5d5;
  --fg-muted: #8d8d8d;

  --line-0: #f1f1f1;
  --line-1: #585858;
  --line-2: #2e2e2e;

  --sig-accent: #c7922c;
  --sig-ok: #86a15a;
  --sig-info: #c2c2c2;
  --sig-err: #c94343;
  --mail-accent: color-mix(in srgb, var(--sig-accent) 64%, var(--line-0));
  --mail-accent-quiet: color-mix(in srgb, var(--mail-accent) 20%, transparent);
  --overlay-panel-bg: color-mix(in srgb, var(--bg-2) 88%, rgba(6, 6, 6, 0.72));
  --overlay-card-bg: color-mix(in srgb, var(--bg-2) 94%, var(--bg-1));
  --overlay-border: color-mix(in srgb, var(--line-1) 82%, rgba(255, 255, 255, 0.08));
  --overlay-chip-bg: color-mix(in srgb, var(--fg-0) 6%, transparent);
}

html[data-theme="paper-light"] {
  --bg-0: #d2d0ca;
  --bg-1: #d8d5cf;
  --bg-2: #e2dfd9;

  --fg-0: #171513;
  --fg-1: #2b2926;
  --fg-muted: #6c655c;

  --line-0: #151311;
  --line-1: #9f968d;
  --line-2: #bfb6ac;

  --sig-accent: #b68024;
  --sig-ok: #6f8842;
  --sig-info: #4f4a45;
  --sig-err: #a73737;
  --mail-accent: color-mix(in srgb, var(--sig-accent) 72%, var(--line-0));
  --mail-accent-quiet: color-mix(in srgb, var(--mail-accent) 18%, transparent);
  --overlay-panel-bg: color-mix(in srgb, #f7f3eb 92%, var(--bg-2));
  --overlay-card-bg: color-mix(in srgb, #fbf8f2 94%, var(--bg-1));
  --overlay-border: color-mix(in srgb, var(--line-1) 72%, rgba(255, 255, 255, 0.62));
  --overlay-chip-bg: color-mix(in srgb, var(--line-0) 8%, transparent);
}

:root {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;

  --ctrl-h-dense: 32px;
  --ctrl-h-std: 36px;
  --ctrl-h-lg: 40px;

  --row-h-desktop: 36px;
  --row-h-mobile: 42px;
  --compose-label-track: 72px;
  --compose-meta-row-h: 34px;
  --compose-toolbar-h: 38px;
  --reader-meta-row-h: 34px;
  --reader-body-min-h: 220px;
  --reader-body-max-h: 48vh;
  --reader-label-track: 148px;

  --border-w: 1px;
  --focus-ring: 2px;
  --radius: 0;
  --shadow: none;
  --ctrl-checkbox-size: 18px;
  --admin-checkbox-col-w: 56px;
  --chip-h: 20px;
  --toolbar-track-gap: 8px;
  --tab-active-bg: var(--fg-0);
  --tab-active-fg: var(--bg-0);
  --scrollbar-size: 11px;
  --scrollbar-track: var(--bg-1);
  --scrollbar-thumb: var(--line-1);
  --scrollbar-thumb-active: var(--line-0);

  --font-ui: "IBM Plex Mono";
  --font-notice: "IBM Plex Mono";

  --mail-toolbar-gap: 10px;
  --mail-toolbar-pad-x: 18px;
  --mail-toolbar-pad-y: 14px;
  --mail-search-max: 620px;
  --mail-pane-pad: 16px;
  --mail-control-h: 34px;
  --mail-label-size: 0.82rem;
  --mail-meta-size: 0.84rem;
  --mail-badge-size: 0.68rem;
  --mail-health-toggle-max: 430px;
}

* {
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

*::-webkit-scrollbar {
  width: var(--scrollbar-size);
  height: var(--scrollbar-size);
}

*::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
  border: var(--border-w) solid var(--line-2);
}

*::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border: var(--border-w) solid var(--line-2);
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-active);
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg-0);
  color: var(--fg-0);
  font-family: var(--font-ui);
  font-size: 16px;
}

body {
  line-height: 1.35;
}

a {
  color: var(--sig-accent);
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1 {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

h2 {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

h3 {
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hidden {
  display: none !important;
}

.stack {
  display: grid;
  gap: var(--space-3);
}

.hint {
  color: var(--fg-muted);
  font-size: 0.8rem;
}

.app-shell {
  width: min(1420px, calc(100% - (var(--space-5) * 2)));
  margin: var(--space-4) auto;
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
}

.topbar {
  border-bottom: var(--border-w) solid var(--line-1);
  padding: 10px var(--space-4);
}

.topbar-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-4);
}

.topbar-primary {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-width: 0;
}

.topbar-branding {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  flex: 0 0 auto;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  min-height: calc(var(--ctrl-h-dense) + 2px);
  padding: 0 14px;
  border: var(--border-w) solid var(--line-1);
  color: var(--fg-0);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workspace-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.workspace-kicker {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.workspace-title {
  margin: 0;
  color: var(--fg-0);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.topbar-branding .workspace-title {
  font-size: 0.98rem;
  line-height: 1;
  letter-spacing: -0.01em;
}

.tabs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--ctrl-h-dense);
  min-width: 0;
}

.tab {
  min-height: var(--ctrl-h-dense);
  padding: 0 14px;
  border: 0;
  border-bottom: var(--border-w) solid transparent;
  background: transparent;
  color: var(--fg-1);
  font: inherit;
  font-size: 0.86rem;
  cursor: pointer;
}

.tab:hover {
  color: var(--fg-0);
  border-bottom-color: var(--line-1);
}

.tab.active,
.tab[aria-current="page"] {
  color: var(--fg-0);
  border-bottom-color: var(--line-0);
}

.topbar-utility {
  min-height: var(--ctrl-h-dense);
  padding: 0 14px;
  border: var(--border-w) solid var(--line-2);
  color: var(--fg-muted);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.topbar-utility:hover {
  background: color-mix(in srgb, var(--line-2) 42%, transparent);
}

.topbar-utility.active,
.topbar-utility[aria-current="page"] {
  color: var(--fg-0);
  border-color: var(--line-1);
  border-bottom-color: var(--line-0);
  background: color-mix(in srgb, var(--line-2) 68%, transparent);
}

.topbar-tools {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: nowrap;
  justify-content: flex-end;
}

.topbar-tools > .tab,
.topbar-tools > .cmd-btn {
  min-height: var(--ctrl-h-dense);
}

.search-field-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  min-width: 0;
  border: var(--border-w) solid var(--line-1);
  background: color-mix(in srgb, var(--bg-2) 88%, var(--bg-1));
}

.search-field-shell:focus-within {
  border-color: var(--line-0);
}

.search-field-shell > input {
  min-width: 0;
  min-height: 100%;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.search-clear-btn {
  min-height: 100%;
  min-width: 68px;
  border: 0;
  border-left: var(--border-w) solid var(--line-2);
  background: transparent;
  color: var(--fg-muted);
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0 12px;
  cursor: pointer;
}

.search-clear-btn:hover,
.search-clear-btn:focus-visible {
  color: var(--fg-0);
  background: color-mix(in srgb, var(--line-2) 60%, transparent);
  outline: none;
}

.search-field-shell--sidebar {
  width: 100%;
}

.notification-shell {
  position: relative;
  display: flex;
  align-items: center;
}

.notification-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.notification-toggle-label {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.notification-unread-badge {
  min-width: 18px;
  height: 18px;
  padding: 0 6px;
  background: color-mix(in srgb, var(--sig-accent) 18%, rgba(255, 255, 255, 0.08));
  color: var(--fg-0);
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
}

.notification-center {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 115;
  width: min(400px, calc(100vw - (var(--space-4) * 2)));
}

.notification-center-panel {
  display: grid;
  gap: var(--space-3);
  padding: 14px;
  border: var(--border-w) solid var(--overlay-border);
  background: var(--overlay-panel-bg);
  backdrop-filter: blur(18px);
}

.notification-center-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.notification-center-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.notification-center-kicker {
  color: color-mix(in srgb, var(--fg-muted) 72%, var(--fg-0));
  font-family: var(--font-notice);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.notification-center-title {
  font-family: var(--font-notice);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.notification-center-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.notification-center-list {
  display: grid;
  gap: 12px;
  max-height: min(68vh, 560px);
  overflow: auto;
}

.notification-center-section {
  display: grid;
  gap: 8px;
}

.notification-center-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.notification-center-section-title,
.notification-center-section-count {
  color: color-mix(in srgb, var(--fg-muted) 78%, var(--fg-0));
  font-family: var(--font-notice);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.notification-center-section-body {
  display: grid;
  gap: 10px;
}

.notification-card {
  display: grid;
  gap: 9px;
  width: 100%;
  padding: 14px 16px;
  border: var(--border-w) solid var(--overlay-border);
  background: var(--overlay-card-bg);
  color: var(--fg-0);
  text-align: left;
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background-color 140ms ease;
}

.notification-card:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--line-0) 28%, var(--line-1));
}

.notification-card.is-read {
  opacity: 0.82;
}

.notification-card[data-kind="success"] {
  border-color: color-mix(in srgb, var(--sig-ok) 34%, var(--line-1));
}

.notification-card[data-kind="error"] {
  border-color: color-mix(in srgb, var(--sig-err) 44%, var(--line-1));
}

.notification-card[data-kind="update"] {
  border-color: color-mix(in srgb, var(--sig-accent) 44%, var(--line-1));
}

.notification-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
}

.notification-card-title {
  min-width: 0;
  font-family: var(--font-notice);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.notification-card-time {
  flex: 0 0 auto;
  color: color-mix(in srgb, var(--fg-muted) 76%, var(--fg-0));
  font-family: var(--font-notice);
  font-size: 0.8rem;
  font-weight: 600;
}

.notification-card-body {
  color: color-mix(in srgb, var(--fg-0) 88%, var(--fg-muted));
  font-family: var(--font-notice);
  font-size: 0.92rem;
  line-height: 1.35;
}

.notification-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.notification-card-meta-copy {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex-wrap: wrap;
}

.notification-card-source {
  color: color-mix(in srgb, var(--fg-muted) 68%, var(--fg-0));
  font-family: var(--font-notice);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.notification-card-kind {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 9px;
  background: var(--overlay-chip-bg);
  color: color-mix(in srgb, var(--fg-muted) 70%, var(--fg-0));
  font-family: var(--font-notice);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.notification-card[data-kind="success"] .notification-card-kind {
  color: var(--sig-ok);
}

.notification-card[data-kind="error"] .notification-card-kind {
  color: var(--sig-err);
}

.notification-card[data-kind="update"] .notification-card-kind {
  color: var(--sig-accent);
}

.notification-card-unread {
  width: 8px;
  height: 8px;
  border-radius: 0;
  background: var(--sig-accent);
}

.notification-center-empty {
  display: grid;
  gap: 4px;
  padding: 24px 18px;
  border: var(--border-w) dashed color-mix(in srgb, var(--line-1) 64%, transparent);
  text-align: left;
}

.notification-center-empty-title {
  font-family: var(--font-notice);
  font-size: 0.98rem;
  font-weight: 700;
}

.notification-center-empty-copy {
  color: color-mix(in srgb, var(--fg-muted) 76%, var(--fg-0));
  font-family: var(--font-notice);
  font-size: 0.88rem;
  line-height: 1.35;
}

.theme-toggle {
  border-color: var(--line-2);
  color: var(--fg-muted);
  font-size: 0.74rem;
}

.theme-toggle:hover {
  background: color-mix(in srgb, var(--line-2) 42%, transparent);
}

main {
  padding: var(--space-3);
  display: grid;
  gap: var(--space-3);
}

.toast-host {
  position: fixed;
  top: calc(var(--space-4) + 8px);
  right: calc(var(--space-4) + 8px);
  z-index: 90;
  display: grid;
  gap: var(--space-2);
  width: min(420px, calc(100vw - (var(--space-4) * 2)));
  pointer-events: none;
}

.status-toast {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: var(--space-2);
  padding: 14px 16px;
  border: var(--border-w) solid var(--overlay-border);
  background: var(--overlay-panel-bg);
  color: var(--fg-0);
  pointer-events: auto;
  backdrop-filter: blur(18px);
  animation: status-toast-enter 180ms ease;
}

.status-toast--success,
.status-toast--ok {
  border-color: color-mix(in srgb, var(--sig-ok) 42%, var(--line-1));
}

.status-toast--error {
  border-color: color-mix(in srgb, var(--sig-err) 48%, var(--line-1));
}

.status-toast--update {
  border-color: color-mix(in srgb, var(--sig-accent) 44%, var(--line-1));
}

.status-toast-main {
  display: grid;
  gap: 6px;
}

.status-toast-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
}

.status-toast-title {
  min-width: 0;
  font-family: var(--font-notice);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.status-toast-time {
  flex: 0 0 auto;
  color: color-mix(in srgb, var(--fg-muted) 78%, var(--fg-0));
  font-family: var(--font-notice);
  font-size: 0.78rem;
  font-weight: 600;
}

.status-toast-copy {
  min-width: 0;
  color: color-mix(in srgb, var(--fg-0) 88%, var(--fg-muted));
  font-family: var(--font-notice);
  font-size: 0.92rem;
  line-height: 1.35;
}

.status-toast-dismiss {
  min-height: 24px;
  min-width: 24px;
  border: 0;
  background: transparent;
  color: var(--fg-muted);
  font-family: var(--font-notice);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0;
}

.status-toast.is-leaving {
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 180ms ease, transform 180ms ease;
}

@keyframes status-toast-enter {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.panel {
  border: var(--border-w) solid var(--line-1);
  background: transparent;
  padding: var(--space-3);
}

.panel .panel {
  border: 0;
  padding: 0;
}

label {
  display: grid;
  gap: var(--space-1);
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
}

input,
textarea,
select {
  width: 100%;
  min-height: var(--ctrl-h-std);
  padding: 0 var(--space-2);
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-2);
  color: var(--fg-0);
  font: inherit;
}

textarea {
  min-height: 140px;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: var(--fg-muted);
}

select {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 34px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%238d8d8d' d='M0 0h2l3 3 3-3h2L5 6z'/%3E%3C/svg%3E");
  background-position: calc(100% - 12px) 50%;
  background-size: 10px 6px;
  background-repeat: no-repeat;
}

input[type="date"] {
  padding-right: 34px;
  color-scheme: dark;
}

input[type="date"]::-webkit-calendar-picker-indicator {
  filter: grayscale(1) brightness(0.8) invert(1);
  opacity: 0.72;
  cursor: pointer;
}

input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: var(--ctrl-checkbox-size);
  height: var(--ctrl-checkbox-size);
  min-height: 0;
  margin: 0;
  border: var(--border-w) solid var(--line-1);
  background: transparent;
  display: grid;
  place-items: center;
  cursor: pointer;
}

input[type="checkbox"]::before {
  content: "";
  color: var(--bg-0);
  font-size: 12px;
  line-height: 1;
  transform: scale(0);
  transition: transform 120ms steps(2, end);
}

input[type="checkbox"]:indeterminate::before {
  content: "−";
  transform: scale(1);
}

input[type="checkbox"]:indeterminate {
  background: var(--fg-0);
  border-color: var(--line-0);
}

input[type="checkbox"]:checked::before {
  content: "✓";
  transform: scale(1);
}

input[type="checkbox"]:checked,
input[type="checkbox"]:indeterminate {
  background: var(--fg-0);
  border-color: var(--line-0);
}

input[type="checkbox"]:not(:checked):not(:indeterminate)::before {
  transform: scale(0);
}

input[type="checkbox"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

input[type="radio"] {
  -webkit-appearance: none;
  appearance: none;
  width: var(--ctrl-checkbox-size);
  height: var(--ctrl-checkbox-size);
  min-height: 0;
  margin: 0;
  border: var(--border-w) solid var(--line-1);
  background: transparent;
  display: grid;
  place-items: center;
  cursor: pointer;
}

input[type="radio"]::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--bg-0);
  transform: scale(0);
  transition: transform 120ms steps(2, end);
}

input[type="radio"]:checked {
  background: var(--fg-0);
  border-color: var(--line-0);
}

input[type="radio"]:checked::before {
  transform: scale(1);
}

input[type="radio"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

input[type="file"] {
  min-height: var(--ctrl-h-dense);
  padding: var(--space-1);
  line-height: 1.2;
}

input[type="file"]::file-selector-button {
  min-height: calc(var(--ctrl-h-dense) - 2px);
  margin-right: var(--space-2);
  padding: 0 var(--space-2);
  border: var(--border-w) solid var(--line-0);
  background: transparent;
  color: var(--fg-0);
  font: inherit;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}

input[type="file"]::file-selector-button:hover {
  background: var(--fg-0);
  color: var(--bg-0);
}

input[type="file"]::-webkit-file-upload-button {
  min-height: calc(var(--ctrl-h-dense) - 2px);
  margin-right: var(--space-2);
  padding: 0 var(--space-2);
  border: var(--border-w) solid var(--line-0);
  background: transparent;
  color: var(--fg-0);
  font: inherit;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}

input[type="file"]::-webkit-file-upload-button:hover {
  background: var(--fg-0);
  color: var(--bg-0);
}

.cmd-btn,
.btn {
  min-height: var(--ctrl-h-std);
  padding: 0 var(--space-3);
  border: var(--border-w) solid var(--line-0);
  background: transparent;
  color: var(--fg-0);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.cmd-btn:hover,
.btn:hover {
  background: var(--line-2);
}

.cmd-btn--dense {
  min-height: var(--ctrl-h-dense);
  padding: 0 var(--space-2);
}

.cmd-btn--primary {
  border-color: var(--sig-accent);
  color: var(--fg-0);
}

.cmd-btn--primary:hover {
  background: color-mix(in srgb, var(--sig-accent) 24%, transparent);
}

.cmd-btn--danger {
  border-color: var(--sig-err);
  color: var(--sig-err);
}

.cmd-btn--danger:hover {
  background: color-mix(in srgb, var(--sig-err) 20%, transparent);
}

.cmd-btn--ghost {
  border-color: var(--line-1);
  color: var(--fg-1);
}

.tab:focus-visible,
.cmd-btn:focus-visible,
.mail-health-toggle:focus-visible,
.btn:focus-visible,
.auth-task:focus-visible,
.oobe-icon-btn:focus-visible,
.oobe-link-btn:focus-visible,
summary:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
a[role="button"]:focus-visible,
[role="button"]:focus-visible,
a:focus-visible {
  outline: var(--focus-ring) solid var(--line-0);
  outline-offset: 1px;
}

.auth-shell,
.account-shell,
.mail-workspace,
.admin-shell {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}

.app-shell.page-oobe-assistant {
  background: var(--bg-0);
  border: var(--border-w) solid var(--line-1);
  padding: clamp(14px, 2vw, 24px);
}

.app-shell.page-oobe-assistant .topbar,
.app-shell.page-oobe-assistant #status-line,
.app-shell.is-setup-required .topbar,
.app-shell.is-setup-required #status-line {
  display: none;
}

.app-shell.page-oobe-assistant main,
.app-shell.is-setup-required main {
  padding: 0;
}

.setup-shell,
.auth-shell {
  width: min(1140px, 100%);
  margin: 0 auto;
}

.setup-shell {
  display: grid;
  place-items: center;
}

.oobe-window,
.auth-window {
  width: min(100%, 1040px);
  min-height: min(760px, 84vh);
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
  overflow: hidden;
}

.auth-window {
  min-height: min(740px, 78vh);
}

.oobe-form {
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: inherit;
}

.oobe-content {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: clamp(22px, 3vw, 36px) clamp(22px, 4vw, 56px);
  display: grid;
  align-content: start;
  gap: clamp(18px, 2.6vw, 28px);
}

.oobe-header,
.oobe-control-rail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 42px;
}

.oobe-header-main {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.oobe-progress-copy {
  display: grid;
  gap: 2px;
}

.oobe-progress-label,
.oobe-progress-title {
  margin: 0;
}

.oobe-progress-label {
  color: var(--fg-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.oobe-progress-title {
  color: var(--fg-0);
  font-size: 0.94rem;
  font-weight: 700;
}

.oobe-icon-btn {
  width: var(--ctrl-h-dense);
  min-width: var(--ctrl-h-dense);
  padding: 0;
  display: inline-grid;
  place-items: center;
}

.oobe-link-btn {
  min-height: var(--ctrl-h-dense);
  padding: 0 var(--space-2);
}

.oobe-step {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.oobe-step h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: 0.01em;
  line-height: 1.05;
  font-weight: 700;
}

.oobe-step p {
  margin: 0;
  color: var(--fg-1);
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.5;
}

.oobe-step .hint {
  font-size: 0.92rem;
}

.oobe-step-copy {
  display: grid;
  gap: var(--space-2);
}

.oobe-step--hero {
  gap: clamp(18px, 2.6vw, 30px);
}

.oobe-hero-mark,
.oobe-stage-mark {
  color: var(--sig-accent);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.oobe-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.oobe-feature-card {
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-2);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-2);
}

.oobe-feature-card h3 {
  margin: 0;
  font-size: 1rem;
}

.oobe-feature-card p {
  font-size: 0.94rem;
  max-width: none;
}

.oobe-feature-index {
  color: var(--sig-accent);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
}

.oobe-field-stack {
  display: grid;
  gap: var(--space-3);
  width: min(560px, 100%);
}

.oobe-field-stack label {
  display: grid;
  gap: var(--space-1);
  color: var(--fg-0);
  font-size: 0.92rem;
  font-weight: 700;
}

.setup-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.setup-choice-card {
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-2);
  color: var(--fg-0);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-3);
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.setup-choice-card:hover {
  border-color: var(--line-0);
}

.setup-choice-card.is-selected {
  border-color: var(--sig-accent);
  background: color-mix(in srgb, var(--bg-2) 80%, var(--sig-accent) 20%);
}

.setup-choice-copy {
  display: grid;
  gap: var(--space-1);
}

.setup-choice-copy strong {
  font-size: 1rem;
}

.setup-choice-preview {
  display: block;
  width: 100%;
  aspect-ratio: 1.45 / 1;
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
  padding: var(--space-2);
}

.setup-choice-preview-frame {
  display: grid;
  grid-template-columns: 84px 1fr;
  grid-template-rows: 16px 1fr;
  width: 100%;
  height: 100%;
  border: var(--border-w) solid var(--line-1);
}

.setup-choice-preview-nav {
  grid-column: 1 / -1;
  border-bottom: var(--border-w) solid var(--line-1);
}

.setup-choice-preview-pane {
  border-right: var(--border-w) solid var(--line-1);
}

.setup-choice-preview-body {
  background: color-mix(in srgb, var(--bg-2) 86%, transparent);
}

.setup-choice-preview--paper {
  background: color-mix(in srgb, #e8e2d8 86%, var(--bg-2));
}

.setup-choice-preview--paper .setup-choice-preview-frame,
.setup-choice-preview--paper .setup-choice-preview-nav,
.setup-choice-preview--paper .setup-choice-preview-pane {
  border-color: color-mix(in srgb, var(--line-1) 72%, #d9ccbb);
}

.setup-choice-preview--paper .setup-choice-preview-body {
  background: color-mix(in srgb, #f4ede3 82%, var(--bg-2));
}

.oobe-summary-card,
.setup-summary {
  border: var(--border-w) solid var(--line-1);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-2);
  background: var(--bg-2);
}

.setup-summary > div {
  display: grid;
  grid-template-columns: minmax(132px, 160px) 1fr;
  gap: var(--space-2);
  align-items: start;
}

.setup-option {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  border: var(--border-w) solid color-mix(in srgb, var(--line-1) 78%, transparent);
  background: color-mix(in srgb, var(--bg-2) 88%, transparent);
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.95rem;
  color: var(--fg-0);
}

.setup-option-control {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
}

.setup-option .hint {
  color: var(--fg-1);
}

.oobe-inline-details {
  border-top: var(--border-w) solid var(--line-1);
  padding-top: var(--space-3);
  max-width: 62ch;
}

.oobe-inline-details summary {
  cursor: pointer;
  font-weight: 700;
}

.oobe-inline-details p {
  margin-top: var(--space-2);
}

.oobe-footer {
  min-height: 88px;
  padding: 16px clamp(22px, 4vw, 56px) clamp(20px, 3vw, 26px);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: var(--space-3);
  border-top: var(--border-w) solid var(--line-1);
  background: color-mix(in srgb, var(--bg-1) 90%, var(--bg-2) 10%);
}

.oobe-footer-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
}

#setup-next,
#setup-open-mail,
#setup-open-admin {
  min-height: var(--ctrl-h-std);
  min-width: 140px;
}

.oobe-step.is-entering-forward {
  animation: oobe-step-in-forward 180ms ease-out both;
}

.oobe-step.is-entering-backward {
  animation: oobe-step-in-backward 180ms ease-out both;
}

@keyframes oobe-step-in-forward {
  from {
    opacity: 0;
    transform: translateX(18px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes oobe-step-in-backward {
  from {
    opacity: 0;
    transform: translateX(-18px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

#setup-inline-status {
  min-height: 1.3em;
  max-width: 70ch;
  font-size: 0.92rem;
}

.auth-content {
  width: min(860px, 100%);
}

.auth-header {
  display: grid;
  gap: var(--space-2);
}

.auth-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  letter-spacing: 0.01em;
}

.auth-header p {
  color: var(--fg-1);
  max-width: 60ch;
  line-height: 1.45;
}

.auth-task-selector {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.auth-task {
  min-height: var(--ctrl-h-std);
  border: var(--border-w) solid var(--line-1);
  background: transparent;
  color: var(--fg-1);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  text-align: center;
  padding: 0 var(--space-3);
}

.auth-task:hover {
  border-color: var(--line-0);
  color: var(--fg-0);
  background: var(--line-2);
}

.auth-task.is-active {
  border-color: var(--line-0);
  color: var(--fg-0);
  background: var(--line-2);
}

.auth-pane {
  display: grid;
  gap: var(--space-3);
  padding-top: clamp(4px, 1vw, 10px);
}

.auth-pane-intro {
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.45;
}

.auth-method-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(290px, 1fr));
  gap: clamp(14px, 2vw, 24px);
}

.auth-reset-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(290px, 1fr));
  gap: clamp(14px, 2vw, 24px);
}

.auth-pane .auth-form {
  width: 100%;
  margin: 0;
  gap: var(--space-3);
}

.auth-form--single {
  max-width: 620px;
}

.auth-method-card,
.auth-group,
.auth-form--single {
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-2);
  padding: clamp(14px, 2vw, 20px);
}

.auth-method-card--passkey {
  align-content: start;
}

.auth-pane-actions {
  display: flex;
  justify-content: flex-end;
}

.auth-pane-actions .cmd-btn {
  min-height: var(--ctrl-h-std);
  min-width: 180px;
}

.captcha-shell,
.captcha-widget-container {
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
  padding: var(--space-3);
  display: grid;
  gap: var(--space-2);
}

#captcha-error {
  color: var(--sig-err);
}

.oobe-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
  display: grid;
  place-items: center;
  padding: var(--space-3);
}

.oobe-modal-card {
  width: min(500px, 100%);
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
  padding: clamp(16px, 2vw, 24px);
  display: grid;
  gap: var(--space-3);
}

.oobe-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

.workspace-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.workspace-header--mail {
  padding: var(--space-2) var(--space-3);
}

.workspace-header > div {
  display: grid;
  gap: var(--space-1);
}

.workspace-header .hint {
  max-width: 64ch;
}

.workspace-header--mail {
  padding-block: var(--space-2);
}

.workspace-header--mail h2 {
  font-size: 1.34rem;
}

.page-head-copy {
  min-width: 0;
}

.page-head--compact .workspace-kicker {
  font-size: 0.66rem;
  letter-spacing: 0.1em;
}

.page-head--compact .hint {
  font-size: 0.86rem;
}

.workspace-header--mail.page-head--compact {
  padding: var(--space-3) var(--mail-pane-pad);
  gap: var(--space-2);
}

.workspace-header--mail.page-head--compact h2 {
  font-size: 2rem;
}

.workspace-header--mail.page-head--compact .hint {
  max-width: 48ch;
  font-family: var(--font-notice);
  font-size: 0.92rem;
}

.mail-commandbar {
  display: grid;
  gap: var(--mail-toolbar-gap);
  padding: var(--mail-toolbar-pad-y) var(--mail-toolbar-pad-x);
  border: var(--border-w) solid var(--line-2);
  position: relative;
  background: color-mix(in srgb, var(--bg-1) 84%, transparent);
}

.mail-toolbar-primary,
.mail-toolbar-secondary,
.mail-selection-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--mail-toolbar-gap);
}

.mail-toolbar-primary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: var(--mail-toolbar-gap);
  min-width: 0;
}

.mail-toolbar-secondary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  justify-content: initial;
  gap: var(--mail-toolbar-gap);
  padding-top: 2px;
  border-top: var(--border-w) solid color-mix(in srgb, var(--line-2) 76%, transparent);
  border-bottom: 0;
}

.mail-toolbar-secondary-main,
.mail-toolbar-secondary-tools {
  display: flex;
  align-items: center;
  gap: var(--mail-toolbar-gap);
  min-width: 0;
}

.mail-toolbar-secondary-main {
  flex: 1 1 auto;
  flex-wrap: wrap;
}

.mail-toolbar-secondary-tools {
  flex: 0 0 auto;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.mail-toolbar-secondary.is-context-only {
  justify-content: flex-end;
}

.mail-toolbar-cluster {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--mail-toolbar-gap);
  min-width: 0;
}

.mail-toolbar-cluster--search {
  display: flex;
  flex: 1 1 auto;
  justify-content: center;
  min-width: 0;
}

.mail-toolbar-cluster--primary-tools {
  justify-content: flex-end;
  align-self: start;
  min-width: 0;
}

.mail-toolbar-cluster--context {
  justify-content: flex-end;
  align-items: stretch;
  flex-wrap: nowrap;
  gap: var(--space-2);
}

.mail-toolbar-cluster--scope {
  min-width: 0;
  justify-content: flex-start;
}

.mail-commandbar--compact .mail-toolbar-primary {
  padding-bottom: 0;
  border-bottom: 0;
}

.mail-commandbar .cmd-btn {
  border-color: var(--line-2);
  min-height: var(--mail-control-h);
  padding-inline: 14px;
}

.mail-selection-bar {
  padding-top: 2px;
  border-top: var(--border-w) solid color-mix(in srgb, var(--line-2) 76%, transparent);
  border-bottom: 0;
}

.mail-commandbar-group {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.mail-commandbar-group + .mail-commandbar-group {
  padding-left: 12px;
  border-left: var(--border-w) solid var(--line-2);
}

.mail-commandbar-group--selection {
  align-items: center;
  gap: var(--space-2);
}

.mail-commandbar-group--danger {
  margin-left: auto;
}

.mail-commandbar select {
  min-height: var(--mail-control-h);
  min-width: 128px;
  border: var(--border-w) solid var(--line-2);
  background: color-mix(in srgb, var(--bg-2) 88%, var(--bg-1));
  color: var(--fg-1);
  font-family: var(--font-notice);
  font-size: 0.92rem;
  padding: 0 34px 0 var(--space-2);
}

.mail-commandbar-group--compose .cmd-btn {
  border-color: var(--line-1);
}

.mail-filter-basic {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  width: min(100%, var(--mail-search-max));
  align-items: stretch;
  gap: var(--space-2);
  margin-inline: auto;
}

#search-input,
.mail-filter-field input {
  font-family: var(--font-notice);
  font-size: 0.96rem;
  letter-spacing: -0.01em;
}

#search-input {
  min-height: 40px;
  padding-inline: 14px;
}

.search-field-shell--mail {
  min-height: 40px;
}

#search-input::placeholder,
.mail-filter-field input::placeholder {
  color: color-mix(in srgb, var(--fg-muted) 94%, transparent);
}

.mail-filter-panel {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: var(--border-w) solid color-mix(in srgb, var(--line-2) 82%, transparent);
  background: color-mix(in srgb, var(--bg-2) 58%, transparent);
}

.mail-filter-triage-card,
.mail-filter-content-section {
  display: grid;
  gap: 12px;
}

.mail-filter-triage-card {
  padding: 12px;
  border: var(--border-w) solid color-mix(in srgb, var(--line-2) 78%, transparent);
  background: color-mix(in srgb, var(--bg-1) 74%, transparent);
}

.mail-filter-content-section {
  padding-top: 12px;
  border-top: var(--border-w) solid color-mix(in srgb, var(--line-2) 72%, transparent);
}

.mail-filter-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.mail-filter-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 12px;
  row-gap: 14px;
}

.mail-filter-grid--triage {
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
}

.mail-filter-field {
  display: grid;
  gap: 6px;
  min-width: 0;
  font-family: var(--font-notice);
  font-size: var(--mail-label-size);
  font-weight: 600;
  color: color-mix(in srgb, var(--fg-muted) 88%, var(--fg-1));
  letter-spacing: 0;
  text-transform: none;
}

.mail-filter-field input {
  min-width: 0;
}

.mail-filter-field select {
  min-height: 40px;
  min-width: 0;
  border: var(--border-w) solid var(--line-2);
  background: color-mix(in srgb, var(--bg-2) 88%, var(--bg-1));
  color: var(--fg-1);
  font-family: var(--font-notice);
  font-size: 0.94rem;
  padding: 0 34px 0 var(--space-2);
}

.mail-filter-field:nth-child(4) {
  grid-column: 1 / 2;
}

.mail-filter-field:nth-child(5) {
  grid-column: 2 / 3;
}

.mail-filter-toggle-row,
.mail-filter-chip-row,
.mail-filter-active-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.mail-filter-toggle-row,
.mail-filter-chip-row {
  padding-top: 2px;
}

.mail-filter-row-label {
  color: var(--fg-muted);
  font-family: var(--font-notice);
  font-size: var(--mail-label-size);
  letter-spacing: 0;
  text-transform: none;
}

.mail-filter-chip-list {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.mail-filter-live-hint {
  margin: 0;
  font-family: var(--font-notice);
  font-size: 0.82rem;
}

.mail-triage-inline {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
}

.mail-triage-inline--compact {
  gap: 4px;
}

.mail-triage-chip {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  padding: 0 8px;
  border: var(--border-w) solid color-mix(in srgb, var(--line-1) 92%, transparent);
  background: color-mix(in srgb, var(--mail-accent) 7%, transparent);
  color: color-mix(in srgb, var(--fg-1) 94%, var(--bg-1));
  font-family: var(--font-notice);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  line-height: 1.1;
  white-space: nowrap;
  text-transform: none;
}

.mail-triage-chip--category {
  border-color: color-mix(in srgb, var(--line-0) 50%, var(--line-1) 50%);
  color: var(--fg-0);
}

.mail-triage-chip--follow-up {
  border-color: color-mix(in srgb, var(--sig-accent) 48%, var(--line-1) 52%);
}

.mail-triage-chip--snoozed {
  border-color: color-mix(in srgb, var(--line-0) 38%, var(--line-1) 62%);
}

.mail-triage-chip--tag {
  color: color-mix(in srgb, var(--fg-muted) 95%, var(--fg-1));
}

.message-row-triage,
.thread-row-triage {
  margin-left: 6px;
  vertical-align: middle;
}

#reader-triage-chips,
#thread-triage-chips,
#mail-selection-triage {
  align-items: flex-start;
}

#reader-triage-chips {
  margin-top: 2px;
}

#thread-triage-chips {
  margin-top: 2px;
}

#mail-selection-triage {
  margin-left: auto;
}

.mail-triage-menu-body {
  min-width: 220px;
}

.chip-btn {
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
  color: var(--fg-1);
  font: inherit;
  cursor: pointer;
}

.chip-btn:hover,
.chip-btn[aria-pressed="true"] {
  border-color: var(--fg-0);
  color: var(--fg-0);
}

.chip-btn[aria-pressed="true"] {
  background: color-mix(in srgb, var(--bg-2) 72%, var(--sig-accent) 28%);
}

.mail-filter-chip-remove {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-2);
  color: var(--fg-0);
  font: inherit;
  cursor: pointer;
}

.mail-filter-toggle-row .chip,
.mail-filter-chip-remove {
  min-height: 30px;
  height: auto;
  padding: 0 10px;
}

.mail-filter-chip-remove strong {
  font-weight: 700;
}

.mail-health-panel {
  position: relative;
  flex: 0 0 auto;
  width: fit-content;
  max-width: min(100%, var(--mail-health-toggle-max));
  min-width: 0;
  display: inline-flex;
  padding: 0;
  border: 0;
}

.mail-health-panel.is-open {
  z-index: 25;
}

.mail-health-toggle {
  appearance: none;
  -webkit-appearance: none;
  width: auto;
  min-width: 0;
  max-width: min(var(--mail-health-toggle-max), 54vw);
  min-height: 44px;
  border: var(--border-w) solid var(--line-1);
  outline: none;
  background: color-mix(in srgb, var(--bg-2) 78%, transparent);
  color: var(--fg-0);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 12px;
  padding: 9px 14px;
  text-align: left;
  cursor: pointer;
}

.mail-health-toggle-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
  overflow: hidden;
}

.mail-health-toggle-summary {
  color: var(--fg-muted);
  font-family: var(--font-notice);
  font-size: 0.82rem;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.mail-health-toggle-caret {
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  font-size: 1.08rem;
  line-height: 1;
}

.mail-health-body {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: min(560px, calc(100vw - (var(--space-6) * 2)));
  max-height: min(62vh, 520px);
  overflow: auto;
  display: grid;
  gap: 12px;
  padding: 12px;
  border: var(--border-w) solid var(--line-1);
  background: color-mix(in srgb, var(--bg-2) 94%, var(--bg-1));
  z-index: 35;
}

.mail-health-summary-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.mail-health-summary-card {
  border: var(--border-w) solid var(--line-2);
  background: color-mix(in srgb, var(--bg-2) 84%, transparent);
  padding: 12px;
  display: grid;
  gap: 6px;
}

.mail-health-summary-label {
  color: var(--fg-muted);
  font-family: var(--font-notice);
  font-size: 0.79rem;
  letter-spacing: 0;
  text-transform: none;
}

.mail-health-summary-value {
  color: var(--fg-0);
  font-family: var(--font-notice);
  font-size: 1.02rem;
  font-weight: 600;
}

.mail-health-list {
  display: grid;
  gap: 12px;
}

.mail-health-row {
  border: var(--border-w) solid var(--line-2);
  background: color-mix(in srgb, var(--bg-1) 88%, transparent);
  padding: 12px;
  display: grid;
  gap: 10px;
}

.mail-health-row--ok {
  border-color: color-mix(in srgb, var(--sig-ok) 38%, var(--line-2) 62%);
}

.mail-health-row--attention {
  border-color: color-mix(in srgb, var(--sig-accent) 44%, var(--line-2) 56%);
}

.mail-health-row--error {
  border-color: color-mix(in srgb, var(--danger) 48%, var(--line-2) 52%);
}

.mail-health-row-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
}

.mail-health-row-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
  font-family: var(--font-notice);
}

.mail-health-row-title {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.mail-health-row-title strong {
  font-size: 0.98rem;
}

.mail-health-badge {
  display: inline-flex;
  align-items: center;
  min-height: 18px;
  padding: 0 6px;
  border: var(--border-w) solid var(--line-1);
  color: var(--fg-muted);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mail-health-badge--ok {
  border-color: color-mix(in srgb, var(--sig-ok) 55%, var(--line-2) 45%);
  color: color-mix(in srgb, var(--sig-ok) 75%, var(--fg-0) 25%);
}

.mail-health-badge--attention {
  border-color: color-mix(in srgb, var(--sig-accent) 55%, var(--line-2) 45%);
  color: color-mix(in srgb, var(--sig-accent) 75%, var(--fg-0) 25%);
}

.mail-health-badge--error {
  border-color: color-mix(in srgb, var(--danger) 60%, var(--line-2) 40%);
  color: color-mix(in srgb, var(--danger) 75%, var(--fg-0) 25%);
}

.mail-health-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-2);
}

.mail-health-meta-block {
  display: grid;
  gap: 2px;
}

.mail-health-meta-label {
  color: var(--fg-muted);
  font-family: var(--font-notice);
  font-size: 0.79rem;
  letter-spacing: 0;
  text-transform: none;
}

.mail-health-meta-value {
  color: var(--fg-0);
  font-family: var(--font-notice);
  font-size: 0.9rem;
}

.mail-health-error {
  color: color-mix(in srgb, var(--danger) 75%, var(--fg-0) 25%);
  font-family: var(--font-notice);
  font-size: 0.82rem;
}

.mail-health-action-status {
  color: var(--fg-muted);
  font-family: var(--font-notice);
  font-size: 0.8rem;
}

.mail-health-actions {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.mail-health-empty {
  border: var(--border-w) dashed var(--line-2);
  padding: var(--space-3);
  color: var(--fg-muted);
  font-size: 0.86rem;
}

.mail-junk-suggestion {
  display: grid;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-2) var(--space-3) 0;
  padding: var(--space-2);
  border: var(--border-w) solid var(--line-2);
  background: color-mix(in srgb, var(--bg-2) 78%, transparent);
}

.mail-junk-suggestion-copy {
  display: grid;
  gap: 4px;
}

.mail-junk-suggestion-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.mail-index-status {
  color: var(--fg-0);
  display: block;
  font-size: 0.79rem;
  letter-spacing: 0.07em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.mail-index-status--ok {
  color: var(--sig-ok);
}

.mail-index-status--warn {
  color: var(--sig-accent);
}

.mail-index-status--error {
  color: var(--sig-err);
}

.mail-layout {
  display: grid;
  grid-template-columns: 216px minmax(300px, 1.02fr) minmax(420px, 1.34fr);
  border: var(--border-w) solid var(--line-1);
  min-height: 620px;
  height: clamp(600px, calc(100vh - 172px), 780px);
}

.mail-pane {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
  border-right: var(--border-w) solid var(--line-2);
  padding: 0;
}

.mail-pane--mailboxes {
  grid-template-rows: auto minmax(0, 1fr);
}

.mail-pane--messages {
  grid-template-rows: auto auto minmax(0, 1fr);
}

.mail-pane--reader {
  grid-template-rows: auto auto auto auto minmax(0, 1fr) auto;
}

.mail-pane--messages {
  grid-template-rows: auto 1fr;
  container-type: inline-size;
  container-name: mail-pane;
}

.mail-pane--reader {
  grid-template-rows: auto auto auto auto minmax(var(--reader-body-min-h), 1fr) auto;
  min-height: 0;
}

.mail-pane:last-child {
  border-right: 0;
}

.pane-head {
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: 0;
  border-bottom: 0;
}

.mail-nav-back {
  display: none;
}

.mailbox-list,
.message-list {
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: auto;
  min-height: 0;
}

.mailbox-pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 16px var(--mail-pane-pad);
  border-bottom: var(--border-w) solid color-mix(in srgb, var(--line-2) 72%, transparent);
}

.mailbox-pane-copy {
  min-width: 0;
}

.mailbox-pane-title {
  display: block;
  color: var(--fg-0);
  font-family: var(--font-notice);
  font-size: 0.96rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: none;
}

.mail-selection-count {
  color: var(--fg-1);
  font-family: var(--font-notice);
  font-size: var(--mail-label-size);
  letter-spacing: 0;
}

.mailbox-section {
  padding: var(--space-2) 0 var(--space-1);
}

.mailbox-section-title {
  color: var(--fg-muted);
  font-family: var(--font-notice);
  font-size: 0.8rem;
  letter-spacing: 0;
  text-transform: none;
  padding: 0 var(--mail-pane-pad);
  margin-bottom: 8px;
}

.mailbox-row {
  margin-bottom: 1px;
}

.mailbox-row-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-1);
  align-items: stretch;
}

.mailbox-row > button,
.mailbox-row-main > button {
  width: 100%;
  min-height: 36px;
  border: 0;
  background: transparent;
  color: var(--fg-1);
  font: inherit;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-2);
  text-align: left;
  padding: 0 var(--space-3) 0 calc(var(--space-3) + 10px);
  cursor: pointer;
  border-left: var(--border-w) solid transparent;
}

.mailbox-name {
  color: var(--fg-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mailbox-meta {
  color: var(--fg-muted);
  font-family: var(--font-notice);
  font-size: 0.78rem;
}

.mailbox-row > button:hover,
.mailbox-row-main > button:hover {
  background: color-mix(in srgb, var(--line-2) 60%, transparent);
}

.mailbox-row > button.active,
.mailbox-row-main > button.active {
  background: color-mix(in srgb, var(--line-0) 16%, transparent);
  border-left-color: var(--line-0);
}

.mailbox-row .row-menu {
  align-self: stretch;
}

.mailbox-row .row-menu summary {
  min-height: 34px;
  border: 0;
  padding: 0 var(--space-2);
  color: var(--fg-muted);
  background: transparent;
}

.mailbox-row .row-menu summary:hover {
  background: color-mix(in srgb, var(--line-2) 60%, transparent);
}

.menu-action-btn,
.mailbox-row-menu-btn {
  min-height: var(--ctrl-h-dense);
  width: 100%;
  appearance: none;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
  color: var(--fg-0);
  font-family: var(--font-ui);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: left;
  padding: 0 var(--space-2);
  cursor: pointer;
  white-space: nowrap;
}

.menu-action-btn:hover,
.menu-action-btn:focus-visible,
.mailbox-row-menu-btn:hover {
  background: color-mix(in srgb, var(--line-2) 78%, transparent);
  outline: none;
}

.menu-action-btn.is-active {
  border-color: var(--line-0);
  background: color-mix(in srgb, var(--line-0) 10%, transparent);
}

.menu-action-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.menu-action-btn--danger,
.mailbox-row-menu-btn--danger {
  color: var(--sig-err);
}

.message-row {
  margin: 0;
  border-bottom: var(--border-w) solid color-mix(in srgb, var(--line-2) 72%, transparent);
}

.message-row-btn,
.thread-row-btn {
  width: 100%;
  min-height: 78px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  text-align: left;
  padding: 14px var(--mail-pane-pad);
  cursor: pointer;
  border-left: var(--border-w) solid transparent;
  transition:
    background-color 120ms ease,
    border-color 120ms ease,
    box-shadow 120ms ease;
}

.message-mark,
.thread-row-mark {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border: var(--border-w) solid transparent;
  background: transparent;
  justify-self: center;
  clip-path: circle(50%);
}

.message-row.is-unread .message-mark,
.thread-row.is-unread .thread-row-mark {
  background: var(--mail-accent);
  border-color: var(--mail-accent);
}

.message-row.is-flagged:not(.is-unread) .message-mark,
.thread-row.is-flagged:not(.is-unread) .thread-row-mark {
  background: color-mix(in srgb, var(--mail-accent) 18%, transparent);
  border-color: color-mix(in srgb, var(--mail-accent) 56%, var(--line-1));
}

.message-row.is-draft .message-mark {
  background: color-mix(in srgb, var(--mail-accent) 12%, transparent);
  border-color: color-mix(in srgb, var(--mail-accent) 36%, var(--line-1));
}

.message-row:hover .message-row-btn,
.thread-row:hover .thread-row-btn {
  background: color-mix(in srgb, var(--line-2) 46%, transparent);
}

.message-row.active .message-row-btn,
.thread-row.active .thread-row-btn {
  background: color-mix(in srgb, var(--line-0) 7%, transparent);
  border-left-color: var(--mail-accent);
}

.message-row.is-selected .message-row-btn,
.thread-row.is-selected .thread-row-btn {
  background: color-mix(in srgb, var(--line-0) 10%, transparent);
}

.message-row.active.is-selected .message-row-btn,
.thread-row.active.is-selected .thread-row-btn {
  background: color-mix(in srgb, var(--line-0) 12%, transparent);
}

.mail-row-main,
.message-row-main,
.thread-row-main {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.mail-row-top,
.message-row-top,
.thread-row-top {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 92px;
  align-items: baseline;
  gap: var(--space-2);
}

.mail-row-fromline,
.message-row-fromline,
.thread-row-fromline {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.mail-row-copy,
.message-row-copy,
.thread-row-copy {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.mail-row-copy--no-preview,
.message-row-copy--no-preview,
.thread-row-copy--no-preview {
  display: block;
}

.mail-row-subjectline,
.message-row-subjectline,
.thread-row-subjectline {
  min-width: 0;
  display: block;
}

.mail-row-previewline,
.message-row-previewline,
.thread-row-previewline {
  min-width: 0;
  display: block;
}

.message-from,
.thread-row-from,
.message-subject,
.thread-row-subject,
.message-preview,
.thread-row-preview,
.message-date,
.thread-row-date {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.message-from,
.thread-row-from {
  color: color-mix(in srgb, var(--fg-0) 94%, var(--fg-1));
  font-weight: 700;
  letter-spacing: -0.015em;
}

.message-subject,
.thread-row-subject {
  color: color-mix(in srgb, var(--fg-1) 96%, var(--bg-1));
  font-family: var(--font-notice);
  font-size: 0.97rem;
  line-height: 1.25;
}

.message-preview,
.thread-row-preview {
  color: color-mix(in srgb, var(--fg-muted) 92%, var(--bg-1));
  font-family: var(--font-notice);
  font-size: 0.8rem;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  white-space: normal;
  line-height: 1.45;
}

.thread-row-preview--empty {
  opacity: 0.72;
}

.message-preview-sep,
.thread-row-preview-sep {
  color: color-mix(in srgb, var(--fg-muted) 72%, transparent);
  flex: 0 0 auto;
}

.message-date,
.thread-row-date {
  min-width: 92px;
  color: color-mix(in srgb, var(--fg-muted) 88%, transparent);
  font-size: 0.79rem;
  text-align: right;
  letter-spacing: 0.01em;
}

.message-row.is-unread .message-from,
.thread-row.is-unread .thread-row-from {
  color: var(--fg-0);
}

.message-row.active .message-from,
.message-row.active .message-subject,
.message-row.active .message-preview,
.message-row.active .message-date,
.thread-row.active .thread-row-from,
.thread-row.active .thread-row-subject,
.thread-row.active .thread-row-preview,
.thread-row.active .thread-row-date {
  color: var(--fg-0);
}

.message-row.is-answered .message-subject::before,
.thread-row.is-answered .thread-row-subject::before {
  content: "↩ ";
  color: var(--fg-muted);
}

.message-context-badge,
.thread-row-mailbox {
  display: inline-flex;
  align-items: center;
  min-height: 17px;
  padding: 0 6px;
  border: var(--border-w) solid color-mix(in srgb, var(--line-1) 88%, transparent);
  color: color-mix(in srgb, var(--fg-muted) 94%, var(--bg-1));
  background: color-mix(in srgb, var(--mail-accent) 8%, transparent);
  font-size: var(--mail-badge-size);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.message-empty {
  padding: var(--space-3);
  color: var(--fg-muted);
}

.mail-account-switcher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: var(--mail-control-h);
}

.mail-account-switcher-label {
  color: var(--fg-muted);
  font-family: var(--font-notice);
  font-size: var(--mail-label-size);
  letter-spacing: 0;
}

.mail-account-switcher select {
  min-width: 150px;
  max-width: 240px;
  font-family: var(--font-notice);
}

.mail-view-menu {
  margin-left: 0;
  flex: 0 0 auto;
}

.mail-view-menu > summary {
  min-width: 84px;
  min-height: var(--mail-control-h);
}

.mail-view-menu-body {
  min-width: 190px;
}

.mail-pane.is-keyboard-pane {
  outline: var(--focus-ring) solid var(--line-0);
  outline-offset: -1px;
}

#mailboxes:focus-visible,
#messages:focus-visible {
  outline: none;
}

.reader-header {
  padding: 16px var(--mail-pane-pad) 14px;
  border-bottom: var(--border-w) solid var(--line-2);
  display: grid;
  gap: 10px;
}

.reader-subject {
  font-family: var(--font-notice);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--fg-0);
  letter-spacing: -0.015em;
}

.meta {
  display: grid;
  gap: 4px;
}

.meta > div {
  min-height: 24px;
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-2);
}

.meta-label {
  color: var(--fg-muted);
  font-family: var(--font-notice);
  font-size: var(--mail-label-size);
  letter-spacing: 0;
  text-transform: none;
}

.meta-value {
  color: var(--fg-0);
  font-family: var(--font-notice);
  font-size: 0.9rem;
  display: block;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.thread-strip {
  border-bottom: var(--border-w) solid color-mix(in srgb, var(--line-2) 86%, transparent);
  background: color-mix(in srgb, var(--bg-2) 58%, transparent);
}

.thread-context {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 0 var(--mail-pane-pad);
}

.thread-summary {
  min-width: 0;
  display: grid;
  gap: 4px;
  padding: 10px 0;
}

.thread-position {
  color: var(--fg-1);
  font-family: var(--font-notice);
  font-size: 0.88rem;
  letter-spacing: -0.01em;
}

.thread-selection-status {
  color: var(--fg-muted);
  font-family: var(--font-notice);
  font-size: 0.8rem;
}

.thread-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 0;
}

.thread-badge {
  display: inline-flex;
  align-items: center;
  min-height: 17px;
  padding: 0 6px;
  border: var(--border-w) solid color-mix(in srgb, var(--line-1) 90%, transparent);
  color: var(--fg-muted);
  font-size: var(--mail-badge-size);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.thread-list-wrap {
  border-top: var(--border-w) solid color-mix(in srgb, var(--line-2) 86%, transparent);
  max-height: 204px;
  overflow: auto;
  container-type: inline-size;
  container-name: thread-pane;
}

.thread-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.thread-row {
  border-bottom: var(--border-w) solid color-mix(in srgb, var(--line-2) 76%, transparent);
}

@container (min-width: 360px) {
  .message-row-btn,
  .thread-row-btn {
    min-height: 82px;
    padding-block: 14px;
  }

  .mail-row-main,
  .message-row-main,
  .thread-row-main {
    gap: 5px;
  }

  .message-preview-sep,
  .thread-row-preview-sep {
    display: none;
  }
}

@container (min-width: 640px) {
  .message-preview,
  .thread-row-preview {
    -webkit-line-clamp: 2;
  }
}

.reader-view-controls {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px 16px;
  padding: 14px var(--mail-pane-pad);
  border-bottom: var(--border-w) solid var(--line-2);
}

.reader-view-label {
  color: var(--fg-muted);
  font-family: var(--font-notice);
  font-size: var(--mail-label-size);
  font-weight: 600;
  letter-spacing: 0;
}

.reader-tools-main {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  flex: 1 1 320px;
  gap: 8px;
}

.reader-action-controls {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  flex: 1 1 360px;
  justify-content: flex-end;
  gap: 8px;
  padding-left: 0;
  margin-left: 0;
  border-left: 0;
}

.reader-action-controls .cmd-btn {
  min-height: var(--mail-control-h);
  padding-inline: 14px;
  border-color: var(--line-2);
}

.reader-tools-main .cmd-btn,
.reader-inspect-menu summary {
  min-height: var(--mail-control-h);
  padding-inline: 14px;
}

.reader-view-controls .cmd-btn.is-active {
  border-color: var(--line-0);
  color: var(--fg-0);
  background: color-mix(in srgb, var(--line-0) 10%, transparent);
}

.reader-inspect-menu {
  margin-left: 0;
}

.reader-inspect-menu summary {
  min-height: var(--mail-control-h);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  list-style: none;
  min-width: 84px;
  border-color: var(--line-1);
}

.reader-inspect-menu.is-disabled summary {
  opacity: 0.45;
  cursor: default;
}

.reader-inspect-menu-body {
  min-width: 220px;
}

.reader-inspect-action {
  justify-content: flex-start;
}

.reader-body-host {
  display: block;
  height: 100%;
  min-height: 0;
  overflow: auto;
  background: color-mix(in srgb, var(--bg-1) 92%, transparent);
}

.message-body {
  margin: 0;
  padding: var(--space-4);
  overflow: visible;
  min-height: 100%;
  height: auto;
  max-height: none;
  line-height: 1.55;
}

.message-body-html-wrap {
  display: block;
  min-height: 100%;
}

.message-body-html {
  display: block;
  width: 100%;
  min-height: 100%;
  height: auto;
  border: 0;
  background: #fff;
}

.attachments {
  padding: var(--space-1) var(--space-3);
  display: grid;
  gap: var(--space-1);
  border-top: var(--border-w) solid var(--line-2);
  align-content: center;
  min-height: var(--ctrl-h-dense);
}

.attachments:empty {
  display: none;
}

.attachments a {
  font-size: 0.84rem;
}

.admin-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  border: var(--border-w) solid var(--line-1);
  min-height: 620px;
}

.admin-nav {
  border-right: var(--border-w) solid var(--line-1);
  padding: var(--space-3);
  display: grid;
  align-content: start;
  gap: var(--space-2);
}

.admin-nav h2 {
  margin-bottom: var(--space-1);
}

.admin-nav-btn {
  min-height: var(--ctrl-h-std);
  border: var(--border-w) solid var(--line-1);
  background: transparent;
  color: var(--fg-1);
  text-align: left;
  padding: 0 var(--space-2);
  font: inherit;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.admin-nav-btn:hover {
  background: var(--line-2);
}

.admin-nav-btn.is-active {
  color: var(--bg-0);
  background: var(--fg-0);
  border-color: var(--line-0);
}

.admin-nav-badge {
  display: inline-flex;
  min-width: 1.3rem;
  height: 1.3rem;
  align-items: center;
  justify-content: center;
  margin-left: 8px;
  border: var(--border-w) solid var(--line-1);
  background: var(--accent-warm);
  color: var(--bg-0);
  font-size: 0.75rem;
  line-height: 1;
  vertical-align: middle;
}

.admin-main {
  min-width: 0;
  padding: var(--space-3);
}

.admin-section {
  min-height: 100%;
  display: grid;
  align-content: start;
  gap: var(--space-3);
}

.section-head {
  display: grid;
  gap: var(--space-2);
}

.section-tools {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--toolbar-track-gap);
  align-items: center;
}

.section-tools input,
.section-tools select {
  min-height: var(--ctrl-h-dense);
}

#admin-section-registrations .section-tools {
  grid-template-columns: minmax(200px, 1.7fr) repeat(3, minmax(108px, 1fr)) minmax(112px, 0.9fr);
}

#admin-section-users .section-tools {
  grid-template-columns: minmax(180px, 1.5fr) repeat(5, minmax(108px, 1fr)) minmax(112px, 0.9fr);
}

#admin-section-registrations .section-tools > *,
#admin-section-users .section-tools > * {
  min-width: 0;
}

.bulk-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.bulk-bar .cmd-btn {
  min-height: var(--ctrl-h-dense);
}

#admin-section-registrations .bulk-bar .cmd-btn--ghost,
#admin-section-users .bulk-bar .cmd-btn--ghost {
  border-color: var(--line-1);
  color: var(--fg-1);
}

.table,
.data-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.table th,
.table td,
.data-table th,
.data-table td {
  border-bottom: var(--border-w) solid var(--line-1);
  padding: 0 var(--space-2);
  min-height: var(--row-h-desktop);
  height: var(--row-h-desktop);
  text-align: left;
  vertical-align: middle;
  overflow: visible;
  white-space: nowrap;
}

.cell-truncate {
  display: block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.table th,
.data-table th {
  color: var(--fg-muted);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.table tbody tr:hover,
.data-table tbody tr:hover {
  background: var(--line-2);
}

.num {
  white-space: nowrap;
}

.status-chip,
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--chip-h);
  height: var(--chip-h);
  padding: 0 var(--space-1);
  border: var(--border-w) solid var(--line-1);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-chip--pending {
  border-color: var(--sig-accent);
  color: var(--sig-accent);
}

.status-chip--approved,
.status-chip--active,
.status-chip--ok {
  border-color: var(--sig-ok);
  color: var(--sig-ok);
}

.status-chip--warning,
.status-chip--rejected,
.status-chip--suspended {
  border-color: var(--sig-err);
  color: var(--sig-err);
}

.status-chip--info {
  border-color: var(--line-0);
  color: var(--fg-0);
}

.row-menu {
  position: relative;
}

.row-menu[open] {
  z-index: 30;
}

.row-menu summary {
  list-style: none;
  min-height: var(--chip-h);
  display: inline-flex;
  align-items: center;
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
  color: var(--fg-0);
  font-family: var(--font-ui);
  font-weight: 700;
  padding: 0 var(--space-2);
  cursor: pointer;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  -webkit-appearance: none;
  appearance: none;
}

.row-menu summary:hover,
.row-menu summary:focus-visible {
  background: color-mix(in srgb, var(--line-2) 78%, transparent);
  outline: none;
}

#admin-section-registrations .table th:first-child,
#admin-section-registrations .table td:first-child,
#admin-section-users .table th:first-child,
#admin-section-users .table td:first-child {
  width: var(--admin-checkbox-col-w);
  padding: 0 var(--space-1);
  text-align: center;
}

#admin-section-registrations .table th:first-child input[type="checkbox"],
#admin-section-registrations .table td:first-child input[type="checkbox"],
#admin-section-users .table th:first-child input[type="checkbox"],
#admin-section-users .table td:first-child input[type="checkbox"] {
  margin: 0 auto;
}

#admin-section-users td:last-child,
#admin-section-registrations td:last-child {
  text-align: left;
  position: relative;
  overflow: visible;
}

.file-field {
  gap: var(--space-2);
}

.row-menu summary::-webkit-details-marker {
  display: none;
}

.row-menu-body {
  position: absolute;
  top: calc(100% + var(--space-1));
  right: 0;
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
  display: grid;
  gap: 0;
  padding: 0;
  min-width: 170px;
  z-index: 40;
}

.machine-grid {
  border: var(--border-w) solid var(--line-1);
  display: grid;
  grid-template-columns: minmax(150px, 220px) minmax(0, 1fr);
}

.machine-grid > div {
  min-height: var(--row-h-desktop);
  border-bottom: var(--border-w) solid var(--line-1);
  padding: 0 var(--space-2);
  display: flex;
  align-items: center;
}

.machine-grid > div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.metric-label {
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
}

.metric-value {
  color: var(--fg-0);
}

.actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.compose-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  padding: var(--space-4) clamp(16px, 3vw, 36px);
  display: grid;
  place-items: center;
  z-index: 60;
}

.compose-dialog {
  width: min(1020px, 100%);
  height: min(860px, calc(100vh - 52px));
  max-height: calc(100vh - 52px);
  border: var(--border-w) solid var(--line-0);
  background: var(--bg-1);
  padding: 0;
  display: grid;
  grid-template-rows: auto 1fr;
  animation: compose-dialog-enter 160ms ease-out both;
}

.compose-title {
  display: none;
}

.compose-form {
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
}

.compose-toolbar-layer {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 6px;
  padding: 6px var(--space-3);
  border-bottom: var(--border-w) solid var(--line-1);
}

.compose-window-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.compose-window-actions--right {
  justify-self: end;
}

.compose-window-btn,
.compose-close-btn {
  min-height: 28px;
  border-color: var(--line-1);
  color: var(--fg-1);
}

.compose-mode-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.compose-mode-switch .compose-window-btn {
  min-width: 88px;
}

.compose-mode-btn.is-active {
  border-color: color-mix(in srgb, var(--sig-accent) 68%, var(--line-0));
  color: var(--fg-0);
  background: color-mix(in srgb, var(--sig-accent) 14%, var(--bg-1));
}

.compose-draft-state {
  color: color-mix(in srgb, var(--fg-muted) 76%, transparent);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.compose-draft-state[data-tone="ok"] {
  color: var(--sig-ok);
}

.compose-draft-state[data-tone="warn"],
.compose-draft-state[data-tone="error"] {
  color: var(--sig-err);
}

.compose-send-btn {
  min-height: 30px;
  min-width: 108px;
  font-weight: 700;
}

.compose-tool-btn {
  min-height: 26px;
  min-width: 54px;
  padding: 0 7px;
  border-color: var(--line-1);
  color: var(--fg-1);
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 0.76rem;
}

.compose-meta {
  display: grid;
  border-bottom: var(--border-w) solid var(--line-2);
}

.compose-meta-row {
  min-height: var(--compose-meta-row-h);
  display: grid;
  grid-template-columns: var(--compose-label-track) minmax(0, 1fr) auto;
  align-items: center;
  border-top: var(--border-w) solid color-mix(in srgb, var(--line-2) 72%, transparent);
}

.compose-meta-row:first-child {
  border-top: 0;
}

.compose-meta-label {
  color: color-mix(in srgb, var(--fg-muted) 72%, transparent);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.62rem;
  padding: 0 var(--space-3);
}

.compose-meta-value {
  min-width: 0;
  padding-right: var(--space-1);
}

.compose-meta-value input,
.compose-meta-value select {
  width: 100%;
  min-height: 26px;
  border: 0;
  background: transparent;
  padding: 0 2px;
  color: var(--fg-0);
}

.compose-meta-value input:focus-visible,
.compose-meta-value select:focus-visible {
  outline: var(--focus-ring) solid var(--line-0);
  outline-offset: -1px;
}

.compose-meta-toggle {
  min-height: 22px;
  min-width: 36px;
  padding: 0 6px;
  border-color: var(--line-1);
  color: var(--fg-1);
  font-size: 0.62rem;
}

.compose-meta-tail {
  display: block;
  padding-right: var(--space-2);
}

.compose-meta-tail--recipients {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.compose-token-field {
  min-height: 26px;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  padding: 1px 0;
  position: relative;
}

.compose-token-field > input {
  flex: 1 1 180px;
  min-width: 130px;
  border: 0;
  background: transparent;
  color: var(--fg-0);
  padding: 0 2px;
}

.compose-token-field > input::placeholder {
  color: color-mix(in srgb, var(--fg-muted) 85%, transparent);
}

.compose-token-field > input.compose-input-invalid {
  color: var(--sig-err);
}

.compose-token-field--to > input {
  font-weight: 600;
}

.compose-token-chips {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.compose-token {
  min-height: 20px;
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-2);
  color: var(--fg-1);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0 5px;
  font-size: 0.66rem;
}

.compose-token--invalid {
  border-color: var(--sig-err);
  color: var(--sig-err);
}

.compose-token-remove {
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  padding: 0;
}

.compose-meta-row--from {
  min-height: var(--compose-meta-row-h);
}

.compose-meta-value--from {
  display: grid;
  gap: 2px;
}

.compose-meta-value--delivery {
  display: grid;
  gap: 4px;
  padding: 4px 0;
}

.compose-delivery-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.compose-delivery-controls > select,
.compose-delivery-controls > input {
  width: auto;
  min-width: 168px;
  border: var(--border-w) solid var(--line-2);
  background: var(--bg-1);
  color: var(--fg-0);
  font: inherit;
  min-height: 28px;
  padding: 0 8px;
}

.compose-delivery-controls > select {
  cursor: pointer;
  color-scheme: dark;
}

.compose-delivery-controls > input.hidden,
.compose-delivery-controls > select.hidden {
  display: none !important;
}

.compose-from-manual {
  display: block;
}

.compose-inline-note {
  margin: 0;
  font-size: 0.64rem;
  color: color-mix(in srgb, var(--fg-muted) 82%, transparent);
  letter-spacing: 0.03em;
  padding: 0 2px 1px;
}

#compose-draft-note {
  padding-top: 4px;
}

.compose-inline-note--ok {
  color: var(--sig-ok);
}

.compose-inline-note--warn,
.compose-inline-note--error {
  color: var(--sig-err);
}

.compose-recipient-menu {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  z-index: 12;
  display: grid;
  gap: 0;
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
}

.compose-recipient-suggestion {
  width: 100%;
  border: 0;
  border-top: var(--border-w) solid var(--line-1);
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  padding: var(--space-2);
  display: grid;
  gap: 3px;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.compose-recipient-suggestion:first-child {
  border-top: 0;
}

.compose-recipient-suggestion:hover,
.compose-recipient-suggestion:focus-visible,
.compose-recipient-suggestion.is-active {
  background: var(--line-2);
}

.compose-recipient-suggestion-label {
  color: var(--fg-0);
  font-size: 0.82rem;
}

.compose-recipient-suggestion-meta {
  color: var(--fg-muted);
  font-size: 0.72rem;
}

.compose-body-layer {
  min-height: 0;
  padding: 2px var(--space-3) var(--space-3);
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr);
  gap: 4px;
}

.compose-editor-tools {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  padding: 4px 0;
  border-bottom: var(--border-w) solid var(--line-2);
}

.compose-assets {
  display: grid;
  gap: 8px;
  padding: 10px 0 2px;
  border-bottom: var(--border-w) solid var(--line-2);
}

.compose-assets-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.compose-assets-title {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.compose-assets-list {
  list-style: none;
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.compose-asset-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-2);
}

.compose-asset-row.is-uploading {
  border-color: var(--line-2);
}

.compose-asset-row.is-failed {
  border-color: color-mix(in srgb, var(--danger) 70%, var(--line-1));
}

.compose-asset-main {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.compose-asset-name {
  color: var(--fg-0);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.compose-asset-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.66rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.compose-asset-badge,
.compose-asset-state {
  display: inline-flex;
  align-items: center;
  min-height: 18px;
  padding: 0 5px;
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-0);
}

.compose-asset-error {
  color: var(--danger);
  text-transform: none;
  letter-spacing: 0;
}

.compose-asset-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.compose-editor {
  min-height: 0;
  height: 100%;
  overflow: auto;
  padding: 2px 1px;
  color: var(--fg-0);
  line-height: 1.5;
  outline: 0;
}

.compose-editor:empty::before {
  content: attr(data-placeholder);
  color: color-mix(in srgb, var(--fg-muted) 78%, transparent);
}

.compose-editor p {
  margin: 0 0 0.72em;
}

.compose-editor p:last-child {
  margin-bottom: 0;
}

.compose-html-workspace {
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
}

.compose-html-pane {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-0);
}

.compose-html-pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  border-bottom: var(--border-w) solid var(--line-2);
}

.compose-html-pane-title {
  color: var(--fg-0);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.compose-html-pane-meta {
  color: var(--fg-muted);
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  text-align: right;
}

.compose-html-editor-shell {
  min-height: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
}

.compose-html-gutter {
  min-width: 44px;
  border-right: var(--border-w) solid var(--line-2);
  background: color-mix(in srgb, var(--bg-1) 74%, var(--bg-0));
  color: var(--fg-muted);
  overflow: hidden;
}

.compose-html-gutter-lines {
  margin: 0;
  padding: 12px 8px;
  font: 0.78rem/1.55 var(--font-ui);
  text-align: right;
  white-space: pre;
  will-change: transform;
}

.compose-html-editor-stack {
  position: relative;
  min-height: 0;
  overflow: hidden;
  background: var(--bg-0);
}

.compose-html-highlight,
.compose-html-input {
  margin: 0;
  padding: 12px 14px;
  font: 0.84rem/1.55 var(--font-ui);
  letter-spacing: 0;
  tab-size: 2;
  white-space: pre;
}

.compose-html-highlight {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  color: var(--fg-1);
  will-change: transform;
}

.compose-html-highlight:empty::before {
  content: "<p>Write HTML email markup here</p>";
  color: color-mix(in srgb, var(--fg-muted) 72%, transparent);
}

.compose-html-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  resize: none;
  background: transparent;
  color: transparent;
  -webkit-text-fill-color: transparent;
  caret-color: var(--fg-0);
  overflow: auto;
  outline: 0;
}

.compose-html-input::placeholder {
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.compose-html-input:focus-visible {
  outline: 0;
}

.compose-html-input::selection {
  background: color-mix(in srgb, var(--sig-accent) 28%, transparent);
}

.compose-html-preview-wrap {
  min-height: 0;
  background: #fff;
}

.compose-html-preview {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}

.compose-html-token-comment,
.compose-html-token-doctype {
  color: color-mix(in srgb, var(--fg-muted) 82%, var(--sig-info));
}

.compose-html-token-tag,
.compose-html-token-punct,
.compose-html-token-selector {
  color: var(--sig-accent);
}

.compose-html-token-attr,
.compose-html-token-property {
  color: color-mix(in srgb, var(--sig-ok) 84%, var(--fg-0));
}

.compose-html-token-value,
.compose-html-token-string {
  color: color-mix(in srgb, var(--sig-info) 88%, var(--fg-0));
}

.compose-html-token-text {
  color: var(--fg-1);
}

@media (max-width: 1080px) {
  .compose-html-workspace {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(220px, 1fr) minmax(220px, 1fr);
  }
}

.compose-inline-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 22px;
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-2);
  color: var(--fg-1);
  padding: 0 6px;
  margin: 0 1px;
  vertical-align: baseline;
  white-space: nowrap;
}

.compose-inline-chip-label {
  font-size: 0.64rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.compose-inline-chip-remove {
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 0.7rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}

.compose-inline-image {
  display: inline-block;
  max-width: min(72%, 460px);
  max-height: 280px;
  height: auto;
  width: auto;
  margin: 2px 1px;
  border: var(--border-w) solid var(--line-1);
}

.compose-inline-placeholder {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 7px;
  margin: 0 1px;
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-2);
  color: var(--fg-muted);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.compose-inline-placeholder.is-failed {
  border-color: color-mix(in srgb, var(--danger) 70%, var(--line-1));
  color: var(--danger);
}

.compose-inline-missing-media {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  border: var(--border-w) solid color-mix(in srgb, var(--line-1) 70%, transparent);
  color: color-mix(in srgb, var(--fg-muted) 84%, transparent);
  padding: 0 5px;
  margin: 0 1px;
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.compose-signature-block {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: var(--border-w) solid color-mix(in srgb, var(--line-1) 78%, transparent);
  color: color-mix(in srgb, var(--fg-1) 88%, var(--fg-muted));
}

.compose-signature-delimiter {
  margin: 0 0 var(--space-2);
  color: var(--fg-muted);
}

.compose-signature-body {
  display: grid;
  gap: 2px;
}

.compose-signature-body > * {
  margin: 0;
}

.compose-quoted-block {
  margin-top: var(--space-4);
  padding: var(--space-3) 0 0 var(--space-3);
  border-left: var(--border-w) solid color-mix(in srgb, var(--line-1) 84%, transparent);
  color: color-mix(in srgb, var(--fg-1) 80%, var(--fg-muted));
  display: grid;
  gap: var(--space-2);
}

.compose-quoted-lead {
  margin: 0;
  color: var(--fg-1);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.compose-quoted-meta {
  display: grid;
  gap: 4px;
  color: var(--fg-muted);
}

.compose-quoted-meta p {
  margin: 0;
}

.compose-quoted-block blockquote {
  margin: 0;
  padding: 0;
  border: 0;
  color: inherit;
}

@media (max-width: 720px) {
  .compose-asset-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .compose-asset-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

@keyframes compose-dialog-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ui-modal {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--overlay-panel-bg) 72%, rgba(0, 0, 0, 0.42));
  padding: var(--space-4);
  display: grid;
  place-items: center;
  z-index: 80;
}

.ui-modal-card {
  width: min(520px, 100%);
  border: var(--border-w) solid var(--line-0);
  background: var(--overlay-card-bg);
  display: grid;
  gap: var(--space-3);
  padding: clamp(16px, 2vw, 20px);
}

.ui-modal-card--document {
  width: min(980px, 100%);
}

.ui-modal-head {
  border-bottom: var(--border-w) solid var(--line-1);
  padding-bottom: var(--space-2);
  display: grid;
  gap: 4px;
}

.ui-modal-input-wrap {
  display: grid;
  gap: var(--space-1);
}

.ui-modal-document {
  margin: 0;
  min-height: 320px;
  max-height: min(70vh, 760px);
  overflow: auto;
  padding: var(--space-3);
  border: var(--border-w) solid var(--line-1);
  background: color-mix(in srgb, var(--bg-2) 72%, transparent);
  font: 12px/1.5 var(--font-ui);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.ui-modal-actions {
  justify-content: flex-end;
}

.mfa-modal-error {
  color: var(--sig-err);
  min-height: 1.2em;
}

#mfa-modal-actions {
  flex-wrap: wrap;
}

.mfa-modal-extra {
  display: grid;
  gap: var(--space-2);
}

.mfa-qr-wrap {
  display: grid;
  justify-items: center;
  gap: var(--space-2);
}

.mfa-qr-image {
  width: min(280px, 100%);
  height: auto;
  border: var(--border-w) solid var(--line-1);
  background: #fff;
  padding: var(--space-1);
}

.mfa-manual-key {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
}

.mfa-manual-key code {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.mfa-recovery-card {
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-2);
  padding: var(--space-2);
  display: grid;
  gap: var(--space-2);
}

.mfa-recovery-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 6px;
  margin: 0;
  padding-left: 1.2rem;
}

.mfa-recovery-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.mfa-inline-check {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.settings-shell,
.admin-shell,
.contacts-shell {
  width: min(1200px, 100%);
}

.settings-layout,
.admin-layout,
.contacts-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  border: var(--border-w) solid var(--line-1);
  min-height: 620px;
  background: var(--bg-1);
}

.settings-nav,
.admin-nav,
.contacts-nav {
  border-right: var(--border-w) solid var(--line-1);
  padding: var(--space-3);
  display: grid;
  align-content: start;
  gap: var(--space-2);
}

.settings-nav h2,
.admin-nav h2,
.contacts-nav h2 {
  margin-bottom: var(--space-1);
}

.settings-search {
  display: grid;
  gap: 6px;
}

.settings-search input {
  min-height: var(--ctrl-h-dense);
}

.settings-search-results {
  border: var(--border-w) solid var(--line-1);
  display: grid;
  gap: 0;
  background: var(--bg-2);
  max-height: 280px;
  overflow: auto;
}

.settings-search-result {
  min-height: var(--ctrl-h-dense);
  border-top: var(--border-w) solid var(--line-1);
  padding: 0 var(--space-2);
  text-align: left;
  background: transparent;
  color: var(--fg-1);
  font: inherit;
  cursor: pointer;
}

.settings-search-result:first-child {
  border-top: 0;
}

.settings-search-result:hover,
.settings-search-result:focus-visible {
  background: var(--line-2);
}

.settings-nav-btn,
.admin-nav-btn {
  min-height: var(--ctrl-h-std);
  border: var(--border-w) solid var(--line-1);
  background: transparent;
  color: var(--fg-1);
  text-align: left;
  padding: 0 var(--space-2);
  font: inherit;
  cursor: pointer;
}

.settings-nav-btn:hover,
.admin-nav-btn:hover {
  background: var(--line-2);
}

.settings-nav-btn.is-active,
.admin-nav-btn.is-active,
.settings-nav-btn[aria-current="page"],
.admin-nav-btn[aria-current="page"] {
  color: var(--bg-0);
  background: var(--fg-0);
  border-color: var(--line-0);
}

.settings-main,
.admin-main,
.contacts-main {
  min-width: 0;
  padding: var(--space-2);
}

.settings-section,
.admin-section,
.contacts-section {
  min-height: 100%;
  display: grid;
  align-content: start;
  gap: var(--space-3);
}

.settings-page-head {
  display: grid;
  gap: 6px;
}

.settings-page-head .hint,
.setting-section-head .hint {
  max-width: 58ch;
}

.setting-section {
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-2);
  padding: var(--space-2);
  display: grid;
  gap: var(--space-2);
}

.setting-section-head {
  display: grid;
  gap: 4px;
}

.setting-actions {
  justify-content: flex-start;
}

.settings-list {
  display: grid;
  gap: 0;
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
}

.setting-list-item {
  border-top: var(--border-w) solid var(--line-1);
  padding: 10px var(--space-3);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--space-2);
  align-items: center;
  background: var(--bg-2);
}

.setting-list-item--no-action {
  grid-template-columns: auto minmax(0, 1fr);
}

.setting-list-item:first-child {
  border-top: 0;
}

.setting-list-item--interactive {
  cursor: pointer;
}

.setting-list-item--interactive:hover,
.setting-list-item--interactive:focus-visible {
  background: var(--line-2);
}

.setting-list-item.is-active {
  background: color-mix(in srgb, var(--line-2) 75%, var(--bg-2));
}

button.setting-list-item {
  width: 100%;
  color: inherit;
  font: inherit;
  text-align: left;
  -webkit-appearance: none;
  appearance: none;
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
}

.setting-list-main {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.setting-list-title {
  color: var(--fg-0);
  font-weight: 600;
  font-size: 0.92rem;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.setting-list-meta {
  color: var(--fg-muted);
  font-size: 0.76rem;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  white-space: normal;
}

.setting-list-action {
  min-height: var(--ctrl-h-dense);
  min-width: 70px;
  border: var(--border-w) solid var(--line-1);
  background: transparent;
  color: var(--fg-1);
  padding: 0 var(--space-2);
  font: inherit;
  cursor: pointer;
}

.setting-list-action:disabled {
  opacity: 0.5;
  cursor: default;
}

.setting-list-action:hover,
.setting-list-action:focus-visible {
  background: var(--line-2);
}

.system-metrics .setting-list-action {
  cursor: default;
  pointer-events: none;
}

.update-stack {
  display: grid;
  gap: var(--space-2);
}

.update-hero-card,
.update-detail-card {
  border: var(--border-w) solid var(--line-1);
  background: color-mix(in srgb, var(--bg-2) 86%, var(--bg-1));
  padding: var(--space-3);
}

.update-hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: center;
}

.update-hero-main {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
}

.update-hero-icon {
  width: 44px;
  height: 44px;
  border: var(--border-w) solid var(--line-1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  background: var(--bg-1);
  color: var(--accent-warm);
}

.update-hero-copy {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.update-hero-eyebrow {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.update-hero-headline {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.15;
}

.update-hero-subline {
  margin: 0;
  max-width: 72ch;
}

.update-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: flex-end;
  align-items: center;
}

.update-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
}

.update-detail-item {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.update-detail-label {
  color: var(--fg-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.update-detail-item strong,
.update-detail-item a {
  overflow-wrap: anywhere;
}

.update-detail-meta {
  color: var(--fg-muted);
  font-size: 0.84rem;
}

.update-settings-list .setting-list-action {
  min-width: 130px;
  justify-self: end;
  text-align: center;
}

.update-note--ok {
  color: var(--sig-ok);
}

.update-note--error {
  color: var(--sig-err);
}

.update-note--info {
  color: var(--fg-muted);
}

.update-hero-card[data-state="attention"] .update-hero-icon,
.update-hero-card[data-state="failed"] .update-hero-icon {
  color: var(--sig-err);
  border-color: color-mix(in srgb, var(--sig-err) 55%, var(--line-1));
}

.update-hero-card[data-state="scheduled"] .update-hero-icon,
.update-hero-card[data-state="ready"] .update-hero-icon {
  color: var(--sig-ok);
  border-color: color-mix(in srgb, var(--sig-ok) 55%, var(--line-1));
}

.update-hero-card[data-state="busy"] .update-hero-icon {
  color: var(--accent-warm);
}

.settings-detail {
  border: var(--border-w) solid var(--line-1);
  background: color-mix(in srgb, var(--bg-2) 74%, var(--bg-1));
  padding: var(--space-3);
  display: grid;
  gap: var(--space-2);
  align-content: start;
  min-height: 160px;
}

.settings-detail h4 {
  font-size: 1.08rem;
}

.settings-detail .hint {
  margin: 0;
}

.settings-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.settings-danger-zone {
  border-top: var(--border-w) solid var(--line-1);
  margin-top: var(--space-1);
  padding-top: var(--space-2);
  display: grid;
  gap: var(--space-2);
}

.setting-tech {
  border-top: var(--border-w) solid var(--line-1);
  padding-top: var(--space-2);
}

.bulk-check {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--fg-1);
}

.settings-list-empty {
  min-height: 84px;
  padding: var(--space-3);
  display: flex;
  align-items: center;
  color: var(--fg-muted);
}

.settings-detail--placeholder {
  align-content: center;
  min-height: 152px;
}

.settings-detail--placeholder .hint {
  max-width: 52ch;
}

.contacts-workbench {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
}

.mail-settings-detail-shell,
.contacts-detail-shell {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
  align-content: start;
}

.contacts-column {
  display: grid;
  gap: var(--space-2);
}

.contacts-list-toolbar {
  display: grid;
  gap: var(--space-2);
}

.contacts-list-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.contacts-form {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-3);
  border: var(--border-w) solid var(--line-1);
  background: color-mix(in srgb, var(--bg-2) 74%, transparent);
}

.contacts-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.contacts-field {
  display: grid;
  gap: var(--space-2);
}

.contacts-field--full {
  grid-column: 1 / -1;
}

.contacts-field-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  color: var(--fg-muted);
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contacts-repeat-list,
.contacts-checklist {
  display: grid;
  gap: var(--space-2);
}

.contacts-repeat-row {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.95fr) 110px auto;
  gap: var(--space-2);
  align-items: center;
}

.contacts-repeat-row--nickname {
  grid-template-columns: minmax(0, 1fr) auto;
}

.contacts-primary-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: var(--ctrl-h-std);
  padding: 0 var(--space-2);
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
  color: var(--fg-1);
  font-size: 0.8rem;
  text-transform: none;
  letter-spacing: 0;
}

.contacts-checklist {
  max-height: 240px;
  overflow: auto;
  padding: var(--space-2);
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
}

.contacts-checklist label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  min-height: var(--ctrl-h-dense);
  color: var(--fg-1);
  font-size: 0.84rem;
  text-transform: none;
  letter-spacing: 0;
}

.contacts-checklist input[type="checkbox"] {
  width: var(--ctrl-checkbox-size);
  min-height: 0;
  flex: 0 0 auto;
}

.contacts-empty {
  padding: var(--space-2);
  color: var(--fg-muted);
  border: var(--border-w) dashed var(--line-1);
}

.mail-settings-columns {
  display: grid;
  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
}

.mail-settings-column {
  display: grid;
  gap: var(--space-2);
}

.mail-settings-form {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-3);
  border: var(--border-w) solid var(--line-1);
  background: color-mix(in srgb, var(--bg-2) 74%, transparent);
}

.mail-settings-form.is-disabled {
  opacity: 0.55;
}

.mail-settings-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.mail-settings-field {
  display: grid;
  gap: 6px;
}

.mail-settings-field--toggle {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  padding: 10px var(--space-3);
  border: var(--border-w) solid var(--line-1);
  background: var(--bg-1);
  min-height: var(--ctrl-h-std);
}

.mail-settings-field--toggle input[type="checkbox"] {
  justify-self: end;
  margin: 0;
}

.mail-settings-field > span {
  color: var(--fg-muted);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mail-settings-field--full {
  grid-column: 1 / -1;
}

.mail-settings-field input[type="checkbox"] {
  justify-self: start;
  margin-top: 4px;
}

.mail-signature-card {
  display: grid;
  gap: var(--space-2);
  grid-column: 1 / -1;
  padding-top: var(--space-2);
  border-top: var(--border-w) solid var(--line-1);
}

.mail-signature-head {
  display: grid;
  gap: 4px;
}

.mail-signature-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.mail-signature-editor {
  min-height: 144px;
  padding: var(--space-3);
  border: var(--border-w) solid var(--line-1);
  background: color-mix(in srgb, var(--bg-0) 74%, var(--bg-1));
  color: var(--fg-1);
  outline: none;
  overflow-wrap: anywhere;
}

.mail-signature-editor:empty::before {
  content: attr(data-placeholder);
  color: var(--fg-muted);
}

.mail-signature-editor p {
  margin: 0 0 8px;
}

.mail-signature-editor p:last-child {
  margin-bottom: 0;
}

.mail-rules-status-card,
.mail-rules-warning {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
  border: var(--border-w) solid var(--line-1);
  background: color-mix(in srgb, var(--bg-2) 72%, transparent);
}

.mail-rules-warning {
  border-color: var(--sig-accent);
}

.mail-rules-status-copy {
  display: grid;
  gap: 4px;
}

.rules-list-item {
  grid-template-columns: auto minmax(0, 1fr);
}

.rules-list-toggle {
  margin: 0;
}

.rules-list-main {
  min-width: 0;
  border: 0;
  background: transparent;
  color: inherit;
  display: grid;
  gap: 2px;
  text-align: left;
  padding: 0;
  cursor: pointer;
}

.rules-list-main strong {
  font-size: 0.92rem;
}

.mail-script-editor {
  min-height: 180px;
  font-family: var(--font-ui);
  line-height: 1.45;
  white-space: pre;
}

.mail-settings-form-section {
  display: grid;
  gap: var(--space-2);
}

.mail-settings-form-section + .mail-settings-form-section {
  padding-top: var(--space-2);
  border-top: var(--border-w) solid var(--line-1);
}

.mail-settings-form-section-head {
  display: grid;
  gap: 3px;
}

.mail-settings-form-grid--rules-top {
  grid-template-columns: minmax(0, 1.4fr) minmax(160px, 0.6fr) minmax(180px, 0.8fr);
}

.mail-settings-form-grid--rules-conditions,
.mail-settings-form-grid--rules-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mail-settings-detail-shell--rules,
.mail-settings-detail-shell--scripts {
  min-width: 0;
}

.mail-script-panel-head {
  display: grid;
  gap: var(--space-2);
}

.mail-settings-form--scripts .actions {
  border-top: var(--border-w) solid var(--line-1);
  padding-top: var(--space-2);
}

.mail-settings-form--scripts.is-empty .mail-script-editor {
  display: none;
}

.mail-settings-form--scripts.is-empty .actions {
  border-top: 0;
  padding-top: 0;
}

.security-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.security-badge {
  border: var(--border-w) solid var(--line-1);
  padding: 2px 8px;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg-1);
}

.security-badge--current {
  border-color: var(--sig-ok);
  color: var(--sig-ok);
}

@media (max-width: 1200px) {
  .app-shell {
    width: calc(100% - (var(--space-4) * 2));
    margin: var(--space-4) auto;
  }

  .mail-settings-columns,
  .contacts-workbench,
  .contacts-form-grid,
  .contacts-repeat-row,
  .contacts-repeat-row--nickname {
    grid-template-columns: 1fr;
  }

  .mail-health-row-head {
    flex-direction: column;
  }

  .mail-health-actions {
    justify-content: flex-start;
  }

  .mail-layout {
    grid-template-columns: 188px minmax(250px, 0.96fr) minmax(320px, 1.08fr);
  }

  .mail-health-body {
    width: min(620px, calc(100vw - (var(--space-4) * 2)));
  }

  .mail-settings-form-grid--rules-top,
  .mail-settings-form-grid--rules-conditions,
  .mail-settings-form-grid--rules-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1080px) {
  .topbar-row {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .topbar-primary {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar-branding {
    justify-content: flex-start;
  }

  .tabs {
    flex-wrap: wrap;
  }

  .topbar-tools {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .notification-center {
    left: 0;
    right: auto;
  }

  .auth-reset-stack,
  .auth-method-stack {
    grid-template-columns: 1fr;
  }

  .auth-task-selector {
    align-items: stretch;
  }

  .auth-task {
    width: 100%;
  }

  .settings-layout,
  .admin-layout,
  .contacts-layout {
    grid-template-columns: 1fr;
  }

  .settings-nav,
  .admin-nav,
  .contacts-nav {
    border-right: 0;
    border-bottom: var(--border-w) solid var(--line-1);
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-2);
  }

  .settings-nav h2,
  .admin-nav h2,
  .contacts-nav h2 {
    grid-column: 1 / -1;
  }

  .settings-search,
  .settings-search-results {
    grid-column: 1 / -1;
  }

  .update-hero-card,
  .update-detail-grid {
    grid-template-columns: 1fr;
  }

  .update-hero-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 980px) {
  .app-shell {
    width: calc(100% - (var(--space-3) * 2));
    margin: var(--space-3) auto;
  }

  main {
    padding: var(--space-3);
  }

  .mail-layout {
    grid-template-columns: 1fr;
    min-height: 0;
    height: auto;
  }

  .mail-toolbar-primary {
    grid-template-columns: 1fr;
  }

  .mail-toolbar-secondary {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .mail-toolbar-secondary-main,
  .mail-toolbar-secondary-tools {
    width: 100%;
    justify-content: flex-start;
  }

  .mail-pane {
    border-right: 0;
    border-bottom: var(--border-w) solid var(--line-1);
  }

  .mail-pane:last-child {
    border-bottom: 0;
  }

  .mail-nav-back {
    display: inline-flex;
  }

  .pane-head {
    min-height: var(--ctrl-h-dense);
    padding: var(--space-1) var(--space-3);
    border-bottom: var(--border-w) solid var(--line-2);
  }

  #view-mail[data-mobile-pane="mailboxes"] .mail-pane--messages,
  #view-mail[data-mobile-pane="mailboxes"] .mail-pane--reader,
  #view-mail[data-mobile-pane="messages"] .mail-pane--mailboxes,
  #view-mail[data-mobile-pane="messages"] .mail-pane--reader,
  #view-mail[data-mobile-pane="reader"] .mail-pane--mailboxes,
  #view-mail[data-mobile-pane="reader"] .mail-pane--messages {
    display: none;
  }

  .mailbox-row > button,
  .mailbox-row-main > button,
  .table th,
  .table td,
  .data-table th,
  .data-table td {
    min-height: var(--row-h-mobile);
  }

  .tab,
  .topbar-tools > .cmd-btn,
  .settings-nav-btn,
  .admin-nav-btn,
  .search-field-shell,
  .search-field-shell > input,
  .search-clear-btn {
    min-height: 44px;
  }

  #search-input,
  .search-field-shell--mail {
    min-height: 44px;
  }

  .message-row-btn,
  .thread-row-btn {
    padding-inline: var(--space-2);
    gap: 8px;
  }

  .thread-context {
    padding: 0 var(--space-2);
  }

  .thread-actions {
    justify-content: flex-start;
  }

  .thread-list-wrap {
    max-height: 164px;
  }

  #btn-thread-collapse {
    display: none;
  }

  .mail-toolbar-primary,
  .mail-toolbar-secondary,
  .mail-selection-bar {
    align-items: stretch;
  }

  .mail-toolbar-cluster,
  .mail-toolbar-secondary,
  .mail-selection-bar {
    width: 100%;
  }

  .mail-toolbar-cluster--context {
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .mail-toolbar-cluster--primary-tools {
    justify-content: flex-start;
  }

  .mail-health-panel {
    min-width: 0;
    width: 100%;
    max-width: none;
  }

  .mail-health-toggle {
    width: 100%;
    max-width: none;
  }

  .mail-health-body {
    position: static;
    width: 100%;
    max-height: none;
  }

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

  .mail-filter-grid--triage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mail-filter-field:nth-child(4),
  .mail-filter-field:nth-child(5) {
    grid-column: auto;
  }

  .mail-commandbar select {
    min-width: 112px;
  }

  .mail-commandbar-group--danger {
    margin-left: 0;
  }

  .reader-view-controls {
    align-items: flex-start;
  }

  .reader-tools-main {
    flex-basis: 100%;
  }

  .reader-action-controls {
    width: 100%;
    padding-top: var(--space-2);
    border-top: var(--border-w) solid var(--line-2);
    justify-content: flex-start;
  }

  .mail-health-meta {
    grid-template-columns: 1fr;
  }

  .workspace-header {
    flex-direction: column;
    align-items: stretch;
  }

  .settings-search {
    gap: 8px;
  }

  .section-tools {
    grid-template-columns: 1fr 1fr;
  }

  #admin-section-registrations .section-tools,
  #admin-section-users .section-tools {
    grid-template-columns: 1fr 1fr;
    overflow: visible;
  }

  .oobe-window,
  .auth-window {
    min-height: 0;
  }

  .compose-overlay {
    padding: 0;
    place-items: stretch;
  }

  .compose-dialog {
    width: 100%;
    height: 100%;
    max-height: 100vh;
    border-left: 0;
    border-right: 0;
    border-top: 0;
  }

  .compose-toolbar-layer {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--bg-1);
    grid-template-columns: 1fr auto;
    gap: 4px;
    padding: 6px var(--space-2);
  }

  .compose-window-actions--left {
    min-width: 0;
  }

  .compose-window-actions--right {
    gap: 4px;
  }

  .compose-meta-row {
    grid-template-columns: 56px minmax(0, 1fr) auto;
    min-height: 36px;
  }

  .compose-meta-tail {
    padding-right: var(--space-2);
  }

  .compose-meta-toggle {
    min-width: 36px;
  }

  .compose-delivery-controls > select,
  .compose-delivery-controls > input {
    min-width: 100%;
  }

  .compose-token-field > input {
    min-width: 90px;
  }

  .compose-tool-btn {
    min-width: 52px;
  }

  .oobe-content {
    padding: clamp(16px, 4vw, 24px);
  }

  .oobe-header {
    align-items: start;
  }

  .oobe-feature-grid,
  .setup-choice-grid {
    grid-template-columns: 1fr;
  }

  .setup-summary > div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .oobe-footer {
    padding: 12px clamp(16px, 4vw, 24px) 18px;
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .oobe-footer-actions {
    justify-content: space-between;
  }

  .oobe-footer-actions .cmd-btn,
  .oobe-footer-actions .oobe-link-btn {
    flex: 1;
  }
}

@media (max-width: 720px) {
  .mail-commandbar {
    padding: 12px;
  }

  .mail-filter-basic {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .search-clear-btn {
    min-width: 72px;
  }

  .mail-filter-grid {
    grid-template-columns: 1fr;
  }

  .mail-filter-grid--triage {
    grid-template-columns: 1fr;
  }

  .mail-filter-field:nth-child(4),
  .mail-filter-field:nth-child(5) {
    grid-column: auto;
  }

  .mail-toolbar-cluster--context {
    align-items: stretch;
  }

  .mail-health-toggle {
    padding: 10px 12px;
  }

  .reader-tools-main,
  .reader-action-controls {
    justify-content: flex-start;
  }

  #mail-selection-triage {
    width: 100%;
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}