:root {
  color-scheme: light;
  --canvas: #f3f6f8;
  --canvas-2: #e9eef3;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --surface-tint: #eef5ff;
  --ink: #121821;
  --ink-soft: #3d4652;
  --muted: #758294;
  --faint: #a2adba;
  --line: #dbe3ec;
  --line-strong: #c2cfdb;
  --primary: #1f5eff;
  --primary-ink: #0d399d;
  --primary-soft: #e9f0ff;
  --jade: #007f70;
  --jade-soft: #e5f7f4;
  --amber: #9c6900;
  --amber-soft: #fff4d6;
  --rose: #c73d32;
  --rose-soft: #fff0ee;
  --green: #1c7a4d;
  --shadow: 0 18px 54px rgba(35, 48, 68, 0.14);
  --shadow-soft: 0 10px 28px rgba(35, 48, 68, 0.08);
  --radius: 8px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  font-size: 15px;
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--canvas);
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #fafcff 0, var(--canvas) 360px),
    var(--canvas);
}

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

button {
  cursor: pointer;
}

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

button,
a,
input,
select,
textarea {
  transition:
    border-color 160ms ease,
    background 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

button:active {
  transform: translateY(1px);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(31, 94, 255, 0.35);
  outline-offset: 2px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 11px;
  color: var(--ink);
  background: var(--surface);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(31, 94, 255, 0.13);
}

textarea {
  resize: vertical;
  line-height: 1.58;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  border: 3px solid transparent;
  border-radius: 999px;
  background: rgba(117, 130, 148, 0.45);
  background-clip: padding-box;
}

label {
  display: grid;
  gap: 7px;
  min-width: 0;
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 820;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 1.34rem;
  line-height: 1.22;
}

h2 {
  font-size: 1.05rem;
  line-height: 1.28;
}

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

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 13px 12px;
  text-align: left;
  overflow-wrap: anywhere;
}

th {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

td {
  color: var(--ink-soft);
}

td strong {
  color: var(--ink);
}

pre {
  max-height: 240px;
  overflow: auto;
  border: 1px solid #f5b9b1;
  border-radius: var(--radius);
  padding: 12px;
  color: var(--rose);
  background: var(--rose-soft);
}

.overline {
  color: var(--primary);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-core {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid #172033;
  border-radius: var(--radius);
  color: #fff;
  background: #172033;
  font-weight: 950;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.13);
}

.brand-core.small {
  width: 42px;
  height: 42px;
}

.button,
.icon-button,
.rail-compose,
.rail-tool,
.compose-main,
.folder-link,
.rail-section,
.account-list button,
.attachments button {
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0 13px;
  font-weight: 850;
  white-space: nowrap;
}

.button.primary,
.compose-main,
.rail-compose {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 8px 18px rgba(31, 94, 255, 0.22);
}

.button.primary:hover,
.compose-main:hover,
.rail-compose:hover {
  background: var(--primary-ink);
}

.button.ghost,
.button.quiet,
.icon-button,
.rail-tool,
.attachments button {
  border-color: var(--line);
  color: var(--ink);
  background: var(--surface);
}

.button.ghost:hover,
.button.quiet:hover,
.icon-button:hover,
.rail-tool:hover,
.attachments button:hover {
  border-color: var(--line-strong);
  background: var(--surface-soft);
}

.button.small {
  min-height: 32px;
  padding: 0 10px;
  font-size: 0.84rem;
}

.icon-button,
.rail-compose,
.rail-tool {
  display: grid;
  width: 38px;
  padding: 0;
  place-items: center;
}

.connect-shell {
  display: grid;
  grid-template-columns: minmax(620px, 1fr) minmax(360px, 430px);
  gap: 20px;
  min-height: 100vh;
  padding: 20px;
}

.connect-stage {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 18px;
  min-width: 0;
}

.connect-mast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
}

.brand-lockup div:last-child {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.brand-lockup strong,
.brand-lockup span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-lockup span,
.system-chip,
.preview-toolbar span,
.preview-card em,
.preview-reader span {
  color: var(--muted);
  font-size: 0.8rem;
  font-style: normal;
  font-weight: 760;
}

.system-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.82);
}

.system-chip span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(28, 122, 77, 0.12);
}

.preview-board {
  display: grid;
  grid-template-columns: 70px minmax(270px, 390px) minmax(0, 1fr);
  min-height: calc(100vh - 108px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.preview-rail {
  display: grid;
  align-content: start;
  justify-items: center;
  gap: 13px;
  border-right: 1px solid var(--line);
  padding: 15px 10px;
  background: #fbfcfe;
}

.preview-icon {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.preview-icon.active {
  color: var(--primary);
  background: var(--primary-soft);
}

.preview-list {
  min-width: 0;
  border-right: 1px solid var(--line);
  background: var(--surface-soft);
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding: 18px;
}

.preview-card {
  display: grid;
  gap: 6px;
  border-bottom: 1px solid var(--line);
  padding: 16px 18px;
  background: var(--surface);
}

.preview-card.active {
  background: var(--surface-tint);
  box-shadow: inset 3px 0 0 var(--primary);
}

.preview-card b,
.preview-card span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-reader {
  display: grid;
  align-content: start;
  gap: 18px;
  min-width: 0;
  padding: 34px;
}

.preview-reader-head {
  display: grid;
  gap: 7px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
}

.preview-reader p {
  max-width: 720px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.preview-insight {
  display: grid;
  gap: 6px;
  border: 1px solid #bed0ff;
  border-radius: var(--radius);
  padding: 14px;
  background: #f7faff;
}

.preview-insight span {
  color: var(--ink-soft);
}

.preview-lines {
  display: grid;
  gap: 10px;
  margin-top: 6px;
}

.preview-lines i {
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.preview-lines .short {
  width: 62%;
}

.connect-panel {
  align-self: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.connect-head {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 18px;
}

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

.check {
  display: flex;
  align-items: center;
  gap: 9px;
}

.check input {
  width: 16px;
  min-height: 16px;
}

.error {
  border: 1px solid #f5b9b1;
  border-radius: var(--radius);
  padding: 10px 12px;
  color: var(--rose);
  background: var(--rose-soft);
  font-weight: 800;
}

.workspace-shell {
  display: grid;
  grid-template-columns: 72px 286px minmax(0, 1fr);
  min-height: 100vh;
}

.command-rail {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  border-right: 1px solid var(--line);
  padding: 16px 10px;
  background: #fbfcfe;
}

.rail-nav {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.rail-section {
  position: relative;
  display: grid;
  width: 46px;
  height: 42px;
  place-items: center;
  padding: 0;
  color: var(--muted);
  background: transparent;
}

.rail-section em {
  position: absolute;
  left: 54px;
  z-index: 10;
  display: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 7px 9px;
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  font-size: 0.78rem;
  font-style: normal;
  white-space: nowrap;
}

.rail-section span {
  font-size: 0.82rem;
  font-weight: 950;
}

.rail-section:hover em {
  display: block;
}

.rail-section:hover,
.rail-section.active {
  color: var(--primary);
  background: var(--primary-soft);
}

.rail-tool {
  margin-top: auto;
}

.context-rail {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  gap: 16px;
  border-right: 1px solid var(--line);
  padding: 16px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
}

.tenant-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.tenant-card div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.tenant-card strong,
.tenant-card span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tenant-card span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 760;
}

.tenant-card b {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: var(--radius);
  color: var(--green);
  background: #e7f6ef;
}

.compose-main {
  display: inline-flex;
  width: 100%;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.compose-main span {
  font-size: 1.1rem;
  line-height: 1;
}

.health-panel,
.digest-strip {
  display: grid;
  gap: 9px;
}

.health-panel {
  grid-template-columns: 1fr;
}

.health-panel article,
.digest-strip article {
  display: grid;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--surface);
}

.health-panel article {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}

.health-panel span,
.digest-strip span,
.queue-card span,
.rail-block > span,
.account-list > span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.health-panel strong,
.digest-strip strong {
  color: var(--ink);
  font-size: 1.35rem;
  line-height: 1;
}

.health-panel small,
.digest-strip small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 760;
}

.rail-block {
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.folder-stack,
.account-list {
  display: grid;
  gap: 7px;
}

.folder-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  width: 100%;
  color: var(--ink-soft);
  background: transparent;
  text-align: left;
}

.folder-link span,
.account-list button {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.folder-link strong {
  min-width: 28px;
  border-radius: 999px;
  padding: 3px 7px;
  color: var(--muted);
  background: var(--surface-soft);
  font-size: 0.76rem;
  text-align: center;
}

.folder-link:hover,
.folder-link.active,
.account-list button:hover {
  color: var(--primary);
  background: var(--primary-soft);
}

.folder-link.active strong {
  color: #fff;
  background: var(--primary);
}

.account-list button {
  display: inline-flex;
  width: 100%;
  min-width: 0;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  background: transparent;
  text-align: left;
}

.account-list button i {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--jade);
}

.account-list small {
  color: var(--muted);
}

.queue-card {
  display: grid;
  gap: 4px;
  margin-top: auto;
  border: 1px solid #bdd7d1;
  border-radius: var(--radius);
  padding: 13px;
  background: var(--jade-soft);
}

.queue-card strong {
  font-size: 1.8rem;
  line-height: 1;
}

.queue-card small {
  color: var(--ink-soft);
  font-weight: 760;
}

.workspace-main {
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: minmax(180px, 270px) minmax(260px, 1fr) auto;
  gap: 14px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 12px 16px;
  background: rgba(243, 246, 248, 0.9);
  backdrop-filter: blur(18px);
}

.view-title {
  min-width: 0;
}

.view-title h1 {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.search span {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 950;
  text-align: center;
}

.search input {
  border: 0;
  box-shadow: none;
}

.topbar-actions,
.reader-tools,
.reply-actions,
.inline-actions,
.surface-head,
.mail-card-head,
.reply-head {
  display: flex;
  align-items: center;
  gap: 9px;
}

.topbar-actions {
  justify-content: flex-end;
}

.toast {
  max-width: 260px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 11px;
  color: var(--ink-soft);
  background: var(--surface);
  font-size: 0.82rem;
  font-weight: 850;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mode-pill {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  border: 1px solid #bdd7d1;
  border-radius: 999px;
  padding: 4px 10px;
  color: var(--jade);
  background: var(--jade-soft);
  font-size: 0.78rem;
  font-weight: 900;
}

.mail-hub {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  height: calc(100vh - 69px);
  min-width: 0;
  padding: 14px;
}

.digest-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.digest-strip article {
  position: relative;
  gap: 5px;
  min-height: 86px;
  overflow: hidden;
}

.health-panel article.good strong {
  color: var(--green);
}

.health-panel article.warn strong {
  color: var(--amber);
}

.health-panel article.danger strong {
  color: var(--rose);
}

.mail-grid {
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr) minmax(214px, 258px);
  gap: 14px;
  min-height: 0;
}

.sent-grid {
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr) minmax(214px, 258px);
}

.message-stream,
.reader,
.data-surface,
.inspector-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.message-stream {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.stream-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding: 15px;
}

.message-list {
  overflow: auto;
}

.message-row {
  position: relative;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 74px;
  gap: 12px;
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 14px 15px;
  color: var(--ink);
  background: var(--surface);
  text-align: left;
}

.message-row:hover,
.message-row.selected {
  background: #f5f8ff;
}

.message-row.selected::before {
  position: absolute;
  inset: 10px auto 10px 0;
  width: 3px;
  border-radius: 999px;
  background: var(--primary);
  content: "";
}

.sender-avatar {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid #c9d8ff;
  border-radius: var(--radius);
  color: var(--primary);
  background: var(--primary-soft);
  font-size: 0.76rem;
  font-weight: 950;
}

.sender-avatar.large {
  width: 44px;
  height: 44px;
}

.sender-avatar.outbound {
  border-color: #b9dbd5;
  color: var(--jade);
  background: var(--jade-soft);
}

.row-copy {
  display: grid;
  min-width: 0;
  gap: 5px;
}

.row-top,
.row-meta {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.row-top strong,
.row-subject,
.row-meta span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-top time,
.row-meta,
.row-meta em {
  color: var(--muted);
  font-size: 0.8rem;
  font-style: normal;
  font-weight: 760;
}

.row-subject {
  color: var(--ink);
  font-weight: 850;
}

.row-state {
  display: grid;
  align-content: center;
  justify-items: end;
  gap: 5px;
  min-width: 0;
}

.row-state b {
  max-width: 72px;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 820;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-state small {
  max-width: 72px;
  overflow: hidden;
  font-size: 0.68rem;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-state small.good {
  color: var(--green);
}

.row-state small.warn {
  color: var(--amber);
}

.row-state small.danger {
  color: var(--rose);
}

.priority,
.delivery-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--jade);
}

.priority.low {
  background: var(--primary);
}

.priority.high,
.delivery-dot.queued {
  background: var(--amber);
}

.priority.urgent,
.delivery-dot.failed,
.delivery-dot.bounced {
  background: var(--rose);
}

.delivery-dot.sent {
  background: var(--green);
}

.tag,
.badge,
.context-strip span {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 9px;
  color: var(--ink-soft);
  background: var(--surface-soft);
  font-size: 0.78rem;
  font-weight: 900;
  white-space: nowrap;
}

.tag.warn,
.badge.warning {
  border-color: #eed58f;
  color: var(--amber);
  background: var(--amber-soft);
}

.tag.danger,
.badge.danger {
  border-color: #f5b9b1;
  color: var(--rose);
  background: var(--rose-soft);
}

.reader-surface {
  min-width: 0;
  overflow: auto;
}

.reader {
  min-height: 100%;
  padding: 22px;
  box-shadow: var(--shadow-soft);
}

.reader-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
}

.reader-head > div:first-child {
  min-width: 0;
}

.reader-head h1 {
  overflow-wrap: anywhere;
}

.reader-head p {
  margin-top: 6px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.reader-tools {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.context-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.risk-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 14px 0 0;
  padding: 11px 12px;
  font-size: 0.86rem;
}

.risk-banner span {
  color: var(--ink-soft);
  font-weight: 780;
}

.risk-banner.warn {
  border-color: #eed58f;
  background: var(--amber-soft);
}

.risk-banner.danger {
  border-color: #f5b9b1;
  background: var(--rose-soft);
}

.reader-meta-grid,
.envelope-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.meta-cell {
  display: grid;
  gap: 4px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  background: var(--surface-soft);
}

.meta-cell span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.meta-cell strong {
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  font-size: 0.88rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.meta-cell.good strong {
  color: var(--green);
}

.meta-cell.warn strong {
  color: var(--amber);
}

.meta-cell.danger strong {
  color: var(--rose);
}

.thread {
  display: grid;
  gap: 14px;
  padding: 18px 0;
}

.mail-card {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--surface);
}

.mail-card.outbound {
  border-color: #b8caff;
  background: #f8fbff;
}

.mail-card-head {
  justify-content: space-between;
}

.mail-card-head div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.mail-card-head strong,
.mail-card-head span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mail-card-head span,
.mail-card p,
.note-block {
  color: var(--ink-soft);
}

.mail-card p,
.note-block p {
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.delivery-stepper {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.delivery-stepper span {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
}

.delivery-stepper i {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--line-strong);
}

.delivery-stepper .done {
  color: var(--green);
}

.delivery-stepper .done i {
  background: var(--green);
}

.delivery-stepper .active {
  color: var(--primary);
}

.delivery-stepper .active i {
  background: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-soft);
}

.delivery-stepper .failed {
  color: var(--rose);
}

.delivery-stepper .failed i {
  background: var(--rose);
}

.attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.reply-dock {
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.reply-head {
  justify-content: space-between;
}

.reply-head div {
  display: grid;
  gap: 3px;
}

.reply-head span,
.reply-actions span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 760;
}

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

.reply-actions {
  justify-content: space-between;
}

.inspector-panel {
  display: grid;
  align-content: start;
  gap: 12px;
  overflow: auto;
  padding: 12px;
  box-shadow: var(--shadow-soft);
}

.inspector-card {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px;
  background: var(--surface-soft);
}

.sla-card.good {
  border-color: #b8dbc9;
  background: #f2fbf6;
}

.sla-card.neutral {
  background: var(--surface-soft);
}

.sla-card.warn {
  border-color: #eed58f;
  background: var(--amber-soft);
}

.sla-card.danger {
  border-color: #f5b9b1;
  background: var(--rose-soft);
}

.sla-card div {
  display: grid;
  gap: 4px;
}

.sla-card strong {
  font-size: 1.25rem;
}

.sla-card span {
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 780;
}

.mini-meter {
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(18, 24, 33, 0.08);
}

.mini-meter i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: currentColor;
}

.sla-card.good .mini-meter {
  color: var(--green);
}

.sla-card.warn .mini-meter {
  color: var(--amber);
}

.sla-card.danger .mini-meter {
  color: var(--rose);
}

.identity-block {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.identity-block div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.identity-block strong,
.identity-block span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.identity-block span {
  color: var(--muted);
  font-size: 0.82rem;
}

.detail-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.detail-list div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 8px;
}

.detail-list dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
}

.detail-list dd {
  min-width: 0;
  margin: 0;
  color: var(--ink);
  overflow-wrap: anywhere;
  font-weight: 780;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-cloud span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--ink-soft);
  background: var(--surface);
  font-size: 0.78rem;
  font-weight: 850;
}

.audit-line {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.audit-line li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
}

.audit-line li > span {
  width: 9px;
  height: 9px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-soft);
}

.audit-line div {
  display: grid;
  gap: 2px;
}

.audit-line small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 760;
}

.panel-empty,
.empty,
.empty-state,
.loading {
  display: grid;
  min-height: 120px;
  place-items: center;
  padding: 24px;
  color: var(--muted);
  text-align: center;
  font-weight: 850;
}

.panel-empty,
.empty-state,
.loading {
  height: 100%;
  align-content: center;
  gap: 8px;
}

.panel-empty span,
.empty-state span {
  color: var(--muted);
  font-weight: 700;
}

.spinner {
  width: 34px;
  height: 34px;
  border: 4px solid var(--primary-soft);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 850ms linear infinite;
}

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

.ops-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 400px);
  gap: 14px;
  padding: 14px;
}

.data-surface {
  padding: 18px;
  box-shadow: var(--shadow-soft);
}

.surface-head {
  justify-content: space-between;
  margin-bottom: 14px;
}

.table-wrap {
  width: 100%;
  overflow: auto;
}

td small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 760;
}

.table-chip {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 0.76rem;
  font-weight: 900;
}

.table-chip.good {
  color: var(--green);
  background: #e7f6ef;
}

.table-chip.warn {
  color: var(--amber);
  background: var(--amber-soft);
}

.config-grid,
.rule-stack,
.people,
.stats {
  display: grid;
  gap: 12px;
}

.config-grid {
  gap: 18px;
}

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

.domain-card {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--surface-soft);
}

.domain-card div:first-child {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.domain-card strong,
.domain-card span,
.domain-card small {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.domain-card span,
.domain-card small {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 760;
}

.domain-switches {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.domain-switches span {
  border-radius: 999px;
  padding: 5px 9px;
  font-weight: 900;
}

.domain-switches .good {
  color: var(--green);
  background: #e7f6ef;
}

.domain-switches .warn {
  color: var(--amber);
  background: var(--amber-soft);
}

.rule-card {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(260px, 1.2fr) auto;
  gap: 14px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--surface-soft);
}

.rule-card div:first-child {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.rule-card strong,
.rule-card span,
.rule-card em {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rule-card span,
.rule-card em {
  color: var(--muted);
  font-size: 0.82rem;
  font-style: normal;
  font-weight: 760;
}

.rule-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 34px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
}

.rule-flow i {
  height: 1px;
  background: var(--line-strong);
}

.failure-stack {
  display: grid;
  gap: 12px;
}

.failure-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--surface-soft);
}

.failure-card.danger {
  border-color: #f5b9b1;
  background: var(--rose-soft);
}

.failure-card > div {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.failure-card > div:last-child {
  justify-items: end;
}

.failure-card span,
.failure-card small,
.failure-card em {
  color: var(--muted);
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 850;
}

.failure-card strong,
.failure-card small {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rule-builder {
  align-content: start;
}

.security-panel {
  align-content: start;
}

.builder-slab {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px;
  background: var(--surface-soft);
}

.person,
.stats div,
.stat-row {
  display: grid;
  min-width: 0;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px;
  background: var(--surface-soft);
}

.stat-row {
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
}

.stat-row span,
.stat-row strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stat-row b {
  display: grid;
  min-width: 30px;
  height: 26px;
  place-items: center;
  border-radius: 999px;
  color: var(--ink);
  background: var(--surface);
}

.stat-row.good strong {
  color: var(--green);
}

.stat-row.danger strong {
  color: var(--rose);
}

.person div {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: var(--radius);
  color: var(--primary);
  background: var(--primary-soft);
  font-weight: 900;
}

.person strong,
.person span,
.person small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.person span,
.person small,
.stats div {
  color: var(--muted);
  font-size: 0.84rem;
}

.compose-layer {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  align-items: stretch;
  justify-items: end;
  padding: 18px;
  background: rgba(18, 24, 33, 0.34);
  backdrop-filter: blur(7px);
}

.compose-sheet {
  display: grid;
  width: min(720px, calc(100vw - 36px));
  max-height: calc(100vh - 36px);
  align-self: end;
  gap: 12px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.compose-sheet header,
.compose-sheet footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.compose-sheet header div {
  display: grid;
  gap: 3px;
}

.compose-route {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  background: var(--surface-soft);
}

.compose-route span {
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--ink-soft);
  background: var(--surface);
  font-size: 0.78rem;
  font-weight: 850;
}

@media (max-width: 1080px) {
  .mail-grid,
  .sent-grid {
    grid-template-columns: minmax(330px, 410px) minmax(0, 1fr);
  }

  .inspector-panel {
    display: none;
  }
}

@media (max-width: 1180px) {
  .workspace-shell {
    grid-template-columns: 68px minmax(0, 1fr);
  }

  .context-rail {
    display: none;
  }

  .topbar {
    grid-template-columns: minmax(160px, 220px) minmax(220px, 1fr) auto;
  }
}

@media (max-width: 980px) {
  .connect-shell,
  .ops-grid {
    grid-template-columns: 1fr;
  }

  .preview-board {
    grid-template-columns: 70px minmax(0, 1fr);
    min-height: 460px;
  }

  .preview-reader {
    display: none;
  }

  .mail-hub {
    height: auto;
  }

  .mail-grid,
  .sent-grid {
    grid-template-columns: 1fr;
  }

  .message-stream,
  .reader {
    min-height: 420px;
  }

  .reader-surface {
    overflow: visible;
  }

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

  .rule-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .workspace-shell {
    grid-template-columns: 1fr;
  }

  .command-rail {
    position: sticky;
    top: 0;
    z-index: 8;
    min-height: auto;
    flex-direction: row;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .rail-nav {
    grid-template-columns: repeat(5, 42px);
    margin-top: 0;
  }

  .rail-tool {
    margin-top: 0;
    margin-left: auto;
  }

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

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

  .digest-strip {
    grid-template-columns: 1fr;
  }

  .message-row {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .message-row > .row-state {
    display: none;
  }

  .reader-head,
  .mail-card-head,
  .reply-head,
  .reply-actions {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .connect-shell,
  .mail-hub,
  .ops-grid {
    padding: 10px;
  }

  .connect-mast,
  .surface-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .connect-panel,
  .reader,
  .data-surface {
    padding: 16px;
  }

  .compose-layer {
    padding: 10px;
  }

  .compose-sheet {
    width: 100%;
    max-height: calc(100vh - 20px);
  }
}