:root {
  --bg: #f5f7fc;
  --paper: #ffffff;
  --side: #f9faff;
  --ink: #17243b;
  --muted: #68768b;
  --line: #e2e8f1;
  --accent: #2861ec;
  --accent-hover: #1e4fd0;
  --soft: #edf2ff;
  --green: #166b54;
  --green-soft: #e9f5ef;
  --shadow: 0 18px 70px #172b4d14;
  --radius: 14px;
  color-scheme: light;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px
}

* {
  box-sizing: border-box
}

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

[hidden] {
  display: none !important
}

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

button,
a,
input,
textarea,
select {
  -webkit-tap-highlight-color: transparent
}

button {
  cursor: pointer
}

button:disabled {
  opacity: .45;
  cursor: default
}

a {
  color: inherit;
  text-decoration: none
}

button {
  color: inherit
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid #2861ec45;
  outline-offset: 1px;
  border-color: var(--accent)
}

input,
select,
textarea {
  min-width: 0;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 12px 13px
}

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

label {
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 12px;
  font-weight: 600
}

h1,
h2,
h3,
p {
  margin-top: 0
}

h1,
h2,
h3 {
  font-weight: 550;
  letter-spacing: -1px
}

.icon-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden
}

.icon {
  height: 19px;
  width: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--muted)
}

.icon-button:hover {
  background: var(--side);
  color: var(--ink)
}

.icon-button.small {
  width: 28px;
  height: 28px
}

.button {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 600;
  transition: background .15s, transform .15s
}

.button:hover {
  background: var(--side)
}

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

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

.button.wide {
  width: 100%
}

.text-button {
  border: 0;
  background: none;
  color: var(--muted);
  font-size: 12px;
  padding: 6px
}

.text-button:hover {
  color: var(--accent)
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  white-space: nowrap;
  text-decoration: none
}

.brand-mark {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0
}

.brand-wordmark {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-wordmark strong {
  font-size: 23px;
  font-weight: 750;
  letter-spacing: -1px;
  line-height: 1;
}

.brand-wordmark small {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--muted);
  line-height: 1.3;
}

.workspace {
  display: flex;
  min-height: 100vh
}

.sidebar {
  width: 236px;
  flex-shrink: 0;
  background: var(--side);
  border-right: 1px solid var(--line);
  padding: 32px 22px 18px;
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 10;
  overflow: auto
}

.compose-main {
  margin-top: 39px;
  margin-bottom: 31px;
  width: 100%;
  justify-content: flex-start !important;
  box-shadow: 0 5px 12px #2861ec15
}

.compose-main kbd {
  margin-left: auto;
  color: #fff9;
  background: #ffffff18;
  border: 1px solid #ffffff20
}

.nav-label {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 1.5px;
  font-weight: 650;
  padding-left: 13px;
  display: block;
  margin-bottom: 12px
}

.admin-label {
  margin-top: 33px
}

nav {
  display: flex;
  flex-direction: column;
  gap: 4px
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 13px;
  border-radius: 9px;
  font-size: 13px;
  color: #66758b;
  transition: background .15s
}

.nav-item:hover {
  background: var(--line)
}

.nav-item.active {
  background: #eaf0ff;
  color: var(--accent);
  font-weight: 650
}

.nav-item.active .icon {
  stroke-width: 1.9
}

.nav-item .nav-count {
  margin-left: auto;
  font-size: 10px;
  background: #d8e5ff;
  border-radius: 5px;
  padding: 2px 6px
}

.sidebar-bottom {
  margin-top: auto;
  padding-top: 40px
}

.profile-button {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 21px 0 0;
  width: 100%;
  border: 0;
  background: none;
  text-align: left
}

.avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #e8efff;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0
}

.profile-button strong {
  font-size: 12px;
  font-weight: 600;
  display: block;
  max-width: 114px;
  overflow: hidden;
  text-overflow: ellipsis
}

.profile-button small {
  font-size: 10px;
  color: var(--muted);
  display: block;
  margin-top: 4px
}

.profile-button>.icon {
  margin-left: auto;
  width: 16px
}

.main {
  margin-left: 236px;
  width: calc(100% - 236px);
  padding: 0 38px
}

.topbar {
  height: 85px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  gap: 10px
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px
}

.status-dot {
  display: inline-block;
  background: #258a6b;
  width: 6px;
  height: 6px;
  border-radius: 50%
}

.page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 33px 0 28px
}

.page-heading h1 {
  font-size: 42px;
  margin: 9px 0 8px;
  letter-spacing: -1.9px;
  font-weight: 650
}

.mail-surface {
  display: flex;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 3px 10px #172b4d05;
  min-height: 560px;
  height: calc(100vh - 311px);
  max-height: 1000px
}

.mail-list-panel {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  width: 340px;
  border-right: 1px solid var(--line)
}

.list-toolbar {
  padding: 17px 18px 9px
}

.search-wrap {
  display: flex;
  align-items: center;
  flex-direction: row;
  gap: 9px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: var(--bg)
}

.search-wrap .icon {
  height: 16px;
  width: 16px
}

.search-wrap input {
  border: 0;
  background: transparent;
  padding: 0;
  font-size: 11px;
  width: 100%;
  font-weight: 400;
  border-radius: 0
}

.search-wrap input:focus {
  outline: none
}

.search-wrap:focus-within {
  outline: 2px solid #2861ec45
}

kbd {
  font-family: inherit;
  font-size: 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  min-width: 17px;
  text-align: center;
  padding: 1px 3px
}

.list-subhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 20px 10px;
  font-size: 10px;
  color: var(--muted);
  border-bottom: 1px solid var(--line)
}

.list-subhead strong {
  font-weight: 500
}

.message-list {
  overflow: auto;
  flex: 1
}

.message-row {
  display: block;
  position: relative;
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  text-align: left;
  padding: 18px 19px 18px 23px
}

.message-row:hover {
  background: var(--bg)
}

.message-row.selected {
  background: #f0f5ff
}

.message-row.selected:before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent)
}

.row-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 9px
}

.sender-name {
  font-size: 12px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1
}

.message-row.unread .sender-name {
  font-weight: 700
}

.row-date {
  font-size: 9px;
  color: var(--muted);
  white-space: nowrap
}

.unread-dot {
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  position: absolute;
  left: 10px;
  top: 25px
}

.row-subject {
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  margin-bottom: 6px
}

.message-row.unread .row-subject {
  font-weight: 600
}

.row-preview {
  font-size: 10px;
  line-height: 1.5;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block
}

.row-bottom {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-top: 10px
}

.tag {
  font-size: 9px;
  background: var(--green-soft);
  color: var(--green);
  padding: 3px 6px;
  border-radius: 4px
}

.row-bottom .icon {
  width: 12px;
  height: 12px;
  color: #b58a32
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-top: 1px solid var(--line);
  font-size: 9px;
  color: var(--muted)
}

.pagination .text-button {
  font-size: 10px
}

.message-reader {
  flex: 1;
  min-width: 0;
  overflow: auto;
  display: flex;
  flex-direction: column
}

.reader-toolbar {
  height: 57px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--line);
  padding: 0 23px;
  display: flex;
  align-items: center;
  gap: 5px
}

.toolbar-divider {
  width: 1px;
  height: 17px;
  background: var(--line);
  margin: 0 9px
}

.reader-content {
  padding: 32px 35px;
  flex: 1
}

.reader-content h2 {
  font-size: 24px;
  line-height: 1.35;
  margin-bottom: 22px;
  letter-spacing: -.7px;
  overflow-wrap: anywhere
}

.sender-block {
  display: flex;
  gap: 11px;
  align-items: center;
  margin-bottom: 27px
}

.sender-details {
  flex: 1;
  min-width: 0
}

.sender-details strong {
  font-size: 11px;
  font-weight: 600;
  display: block;
  overflow-wrap: anywhere
}

.sender-details small {
  display: block;
  font-size: 9px;
  color: var(--muted);
  margin-top: 5px;
  overflow-wrap: anywhere
}

.sender-date {
  font-size: 9px;
  color: var(--muted);
  line-height: 1.8;
  text-align: right
}

.message-body {
  font-family: inherit;
  font-size: 12px;
  line-height: 1.95;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  color: #47566c;
  margin: 0
}

.reader-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 25px
}

.attachment {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 11px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow-wrap: anywhere
}

.reply-bar {
  margin-top: 34px;
  display: flex;
  gap: 10px
}

.reply-bar .button {
  font-size: 11px;
  padding: 10px 16px
}

.reader-bottom {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 9px;
  color: var(--muted);
  display: flex;
  gap: 7px;
  align-items: center
}

.reader-bottom .icon {
  width: 13px;
  height: 13px
}

.empty-state {
  margin: auto;
  text-align: center;
  padding: 45px 25px;
  color: var(--muted)
}

.empty-state .empty-art {
  color: var(--accent);
  font-size: 58px;
  margin-bottom: 15px
}

.empty-state h2 {
  color: var(--ink);
  font-size: 23px;
  margin-bottom: 10px
}

.empty-state p {
  line-height: 1.8;
  font-size: 12px;
  max-width: 270px;
  margin: 0 auto 20px
}

.pill {
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--accent);
  background: var(--soft);
  padding: 7px 10px;
  border-radius: 5px;
  display: inline-block
}

.mobile-menu {
  display: none
}

.admin-view {
  min-height: 550px
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px
}

.stat-card,
.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px
}

.stat-card .icon {
  color: var(--green);
  margin-bottom: 18px
}

.stat-card strong {
  display: block;
  font-size: 32px;
  letter-spacing: -1px;
  font-weight: 500;
  margin-bottom: 6px
}

.stat-card span {
  font-size: 11px;
  color: var(--muted)
}

.panel {
  margin-bottom: 20px
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 24px
}

.panel-heading h2 {
  font-size: 19px;
  margin: 0
}

.panel-heading p {
  font-size: 12px;
  color: var(--muted);
  margin: 7px 0 0;
  line-height: 1.6
}

.table-wrap {
  overflow: auto
}

table {
  border-collapse: collapse;
  width: 100%;
  text-align: left;
  font-size: 12px
}

th {
  color: var(--muted);
  font-weight: 500;
  font-size: 10px;
  padding: 0 14px 14px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap
}

td {
  padding: 17px 14px;
  border-bottom: 1px solid var(--line)
}

tr:last-child td {
  border-bottom: 0
}

td strong {
  font-size: 12px;
  font-weight: 550;
  display: block;
  margin-bottom: 5px
}

td small {
  font-size: 10px;
  color: var(--muted)
}

.badge {
  display: inline-block;
  font-size: 9px;
  padding: 5px 8px;
  border-radius: 5px;
  white-space: nowrap;
  background: var(--green-soft);
  color: var(--green)
}

.badge.neutral {
  color: var(--muted);
  background: var(--side)
}

.badge.orange {
  background: var(--soft);
  color: var(--accent)
}

.panel-note {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted)
}

.domain-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  border-top: 1px solid var(--line);
  padding: 21px 0
}

.domain-name {
  display: flex;
  align-items: center;
  gap: 14px
}

.domain-name .icon {
  width: 24px;
  height: 24px;
  color: var(--green)
}

.domain-name strong {
  font-size: 14px;
  font-weight: 500
}

.domain-name small {
  font-size: 10px;
  display: block;
  color: var(--muted);
  margin-top: 6px
}

.dns-record {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 15px;
  margin-bottom: 10px
}

.dns-record-head {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 8px
}

.dns-record-head strong {
  font-size: 11px;
  overflow-wrap: anywhere
}

.dns-record code {
  display: block;
  overflow-wrap: anywhere;
  font-size: 11px;
  background: var(--bg);
  padding: 12px;
  border-radius: 7px;
  line-height: 1.6
}

.dns-record p {
  font-size: 10px;
  color: var(--muted);
  margin: 10px 0 0;
  line-height: 1.6
}

.dns-record-head .icon-button {
  margin-left: auto
}

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

.notice {
  background: var(--green-soft);
  border: 1px solid #cfe5da;
  color: var(--green);
  border-radius: 10px;
  padding: 15px;
  font-size: 12px;
  line-height: 1.8;
  margin-top: 20px
}

.notice.warning {
  background: var(--soft);
  color: var(--accent);
  border-color: #cddcfa
}

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

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px
}

.settings-grid .panel {
  margin: 0
}

.stack-form {
  display: flex;
  flex-direction: column;
  gap: 18px
}

.stack-form .button {
  align-self: flex-start
}

.checkbox-label {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  line-height: 1.7;
  font-weight: 400
}

.checkbox-label input {
  accent-color: var(--accent);
  width: 16px;
  height: 16px
}

.identity-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  background: var(--bg);
  border-radius: 8px;
  max-height: 280px;
  overflow: auto
}

.loading-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center
}

.loading-screen p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 22px
}

.login-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 1fr
}

.login-form-wrap {
  width: 360px;
  max-width: calc(100% - 48px);
  margin: auto;
  padding: 45px 0
}

.login-form-wrap h2 {
  font-size: 36px;
  font-weight: 650;
  margin: 25px 0 9px;
  letter-spacing: -1.5px
}

.login-form-wrap>p {
  font-size: 13px;
  margin-bottom: 34px
}

.login-form-wrap label {
  margin-bottom: 20px
}

.login-form-wrap input {
  padding: 14px
}

.login-help {
  font-size: 11px !important;
  line-height: 1.9;
  color: var(--muted);
  text-align: center;
  margin: 25px 0 0 !important
}

.form-error {
  color: #bd3041;
  font-size: 12px;
  line-height: 1.6;
  min-height: 0
}

.form-error:empty {
  display: none
}

dialog {
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 0;
  max-height: 90vh
}

dialog::backdrop {
  background: #00000066;
  backdrop-filter: blur(4px)
}

.compose-dialog {
  width: 680px;
  max-width: calc(100% - 24px)
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--line)
}

.dialog-header h2 {
  font-size: 26px;
  margin: 7px 0 0
}

.compose-fields {
  padding: 9px 28px
}

.inline-field {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 15px;
  font-size: 11px;
  font-weight: 400;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding: 3px 0
}

.inline-field input,
.inline-field select {
  flex: 1;
  border: 0;
  background: transparent;
  border-radius: 0;
  color: var(--ink);
  font-size: 12px;
  padding: 12px 5px
}

.compose-fields textarea {
  width: 100%;
  border: 0;
  padding: 20px 0;
  resize: vertical;
  line-height: 1.8;
  font-size: 13px
}

.compose-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  border-top: 1px solid var(--line);
  padding: 18px 28px
}

.compose-hint {
  font-size: 10px
}

.file-label {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  color: var(--muted);
  font-weight: 400;
  flex-wrap: wrap;
  margin-bottom: 14px
}

.file-label input {
  font-size: 10px;
  border: 0;
  background: none;
  padding: 0;
  width: 100%
}

.compose-dialog .form-error {
  padding: 0 28px
}

.form-dialog {
  width: 540px;
  max-width: calc(100% - 24px)
}

.form-dialog .stack-form {
  padding: 25px 28px
}

.dialog-body {
  padding: 24px 28px
}

.toast {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  padding: 15px 23px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  max-width: calc(100vw - 30px);
  line-height: 1.6
}

.toast.error {
  background: #b33742;
  color: white
}

.reader-back {
  display: none
}

/* Dark mode changes neutral colors; brand blue is inherited unchanged. */
[data-theme=dark] {
  --bg: #000000;
  --paper: #000000;
  --side: #000000;
  --ink: #ffffff;
  --muted: #b3b3b3;
  --line: #292929;
  --soft: #111111;
  --green: #78cfb0;
  --green-soft: #111111;
  --shadow: 0 18px 70px #00000066;
  color-scheme: dark
}

[data-theme=dark] .nav-item.active,
[data-theme=dark] .message-row.selected,
[data-theme=dark] .nav-count,
[data-theme=dark] .avatar {
  background: var(--soft)
}

[data-theme=dark] .message-body,
[data-theme=dark] .message-row.selected,
[data-theme=dark] .nav-item {
  color: var(--ink)
}

[data-theme=dark] .nav-item.active {
  color: var(--accent)
}

[data-theme=dark] .notice,
[data-theme=dark] .notice.warning {
  border-color: var(--line)
}

@media(min-width:1550px) {
  .main {
    padding: 0 55px
  }

  .mail-list-panel {
    width: 390px
  }

  .reader-content {
    padding: 40px 50px
  }

  .message-body {
    font-size: 14px
  }
}

@media(max-width:1150px) {
  .sidebar {
    width: 205px;
    padding-left: 17px;
    padding-right: 17px
  }

  .main {
    margin-left: 205px;
    width: calc(100% - 205px);
    padding: 0 24px
  }

  .mail-list-panel {
    width: 290px
  }

  .reader-content {
    padding: 25px
  }

  .sender-date {
    display: none
  }
}

@media(max-width:900px) {
  .sidebar {
    width: 185px;
    padding: 27px 14px
  }

  .brand {
    font-size: 26px
  }

  .brand-mark {
    width: 31px;
    height: 31px;
    font-size: 28px
  }

  .main {
    margin-left: 185px;
    width: calc(100% - 185px);
    padding: 0 20px
  }

  .mail-list-panel {
    width: 245px
  }

  .reader-content {
    padding: 24px 20px
  }

  .reader-content h2 {
    font-size: 20px
  }

  .settings-grid {
    grid-template-columns: 1fr
  }

  .stat-card {
    padding: 18px
  }

  .stat-card strong {
    font-size: 26px
  }

  .topbar-right {
    gap: 4px
  }

  .page-heading {
    padding-top: 25px
  }

  .topbar {
    height: 70px
  }

  .mail-surface {
    height: calc(100vh - 280px)
  }

  .login-layout {
    grid-template-columns: 1fr 1fr
  }

  .login-form-wrap {
    max-width: calc(100% - 50px)
  }
}

@media(max-width:900px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform .2s;
    width: 236px;
    box-shadow: none
  }

  .sidebar.open {
    box-shadow: 20px 0 60px #0002;
    transform: translateX(0)
  }

  .main {
    margin-left: 0;
    width: 100%;
    padding: 0 18px
  }

  .mobile-menu {
    display: inline-flex
  }

  .topbar {
    justify-content: flex-start;
    height: 66px
  }

  .topbar-right {
    margin-left: auto
  }

  .topbar-right .pill {
    font-size: 8px
  }

  .page-heading {
    padding: 23px 0
  }

  .page-heading h1 {
    font-size: 35px
  }

  .mail-surface {
    height: calc(100dvh - 250px);
    min-height: 460px
  }

  .mail-list-panel {
    width: 100%;
    border: 0
  }

  .message-reader {
    display: none
  }

  .mail-surface.reading .mail-list-panel {
    display: none
  }

  .mail-surface.reading .message-reader {
    display: flex
  }

  .reader-back {
    display: inline-flex
  }

  .reader-content {
    padding: 27px 22px
  }

  .reader-toolbar {
    padding: 0 13px
  }

  .sender-date {
    display: block
  }

  .stat-grid {
    gap: 8px
  }

  .stat-card {
    padding: 14px
  }

  .stat-card strong {
    font-size: 25px
  }

  .stat-card span {
    font-size: 10px
  }

  .panel {
    padding: 18px
  }

  .panel-heading {
    align-items: flex-start
  }

  .panel-heading .button {
    font-size: 11px;
    white-space: nowrap;
    padding: 10px
  }

  .domain-row {
    align-items: flex-start
  }

  .domain-row .button {
    padding: 9px;
    font-size: 11px
  }

  .domain-name {
    gap: 9px
  }

  .domain-name strong {
    font-size: 12px
  }

  .login-layout {
    display: block
  }

  .login-form-wrap {
    padding: 50px 0;
    max-width: calc(100% - 50px)
  }

  .compose-hint {
    display: none
  }

  .compose-fields {
    padding: 8px 20px
  }

  .dialog-header {
    padding: 20px
  }

  .form-dialog .stack-form,
  .dialog-body {
    padding: 22px
  }

  .nav-label.admin-label {
    margin-top: 22px
  }

  .compose-main {
    margin-top: 28px;
    margin-bottom: 24px
  }
}

@media(prefers-reduced-motion:reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important
  }
}

.mobile-backdrop {
  position: fixed;
  inset: 0;
  border: 0;
  background: #00000050;
  z-index: 9
}

.reader-back .icon {
  transform: rotate(180deg)
}

@media(max-width:900px) {

  input,
  select,
  textarea,
  .inline-field input,
  .inline-field select,
  .compose-fields textarea,
  .search-wrap input {
    font-size: 16px
  }

  .icon-button {
    width: 40px;
    height: 40px
  }

  .list-subhead .icon-button {
    width: 30px;
    height: 30px
  }
}

.nav-item.active {
  box-shadow: inset 2px 0 0 var(--accent);
}

.message-row.selected:before {
  width: 3px;
}

.reader-content h2 {
  font-weight: 650;
}

.button.primary {
  box-shadow: 0 3px 8px #2861ec16;
}

.pill {
  font-weight: 650;
}

[data-theme=dark] .form-error {
  color: #ff9aa5;
}

@media(max-width:1150px) {
  .brand-wordmark strong {
    font-size: 20px;
  }

  .brand {
    gap: 8px;
  }
}

@media(max-width:900px) {
  .brand-wordmark strong {
    font-size: 18px;
  }

  .brand-wordmark small {
    font-size: 8px;
  }
}

@media(max-width:900px) {

  .login-form-wrap {
    padding-top: 42px;
  }

  .sidebar .brand-wordmark strong {
    font-size: 23px;
  }

  .icon-button {
    min-width: 36px;
  }
}

.empty-art .icon {
  width: 44px;
  height: 44px;
  stroke-width: 1.2;
}

.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  padding: 12px 18px;
  background: var(--paper);
  border: 2px solid var(--accent);
  border-radius: 8px;
  z-index: 200;
}

.skip-link:focus {
  top: 12px;
}

#main:focus {
  outline: none;
}

/* Compact layouts: labels and controls only. */
.login-layout {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  place-items: center;
  padding: 28px;
}

.login-form-wrap {
  width: min(420px, 100%);
  min-width: 0;
  max-width: 100%;
  margin: 0;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.login-form-wrap h2 {
  margin: 32px 0 26px;
  font-size: 28px;
  letter-spacing: -.8px;
}

.login-help {
  font-size: 11px !important;
  line-height: 1.6;
  margin-top: 22px !important;
}

.login-form-wrap .notice {
  margin-top: 24px;
  font-size: 11px;
  line-height: 1.8;
}

.topbar {
  height: 64px;
}

.server-host {
  color: var(--muted);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-heading {
  padding: 24px 0;
}

.page-heading h1 {
  margin: 0;
  font-size: 32px;
  letter-spacing: -1px;
}

.mail-surface {
  height: calc(100dvh - 182px);
  min-height: 480px;
  max-height: none;
  margin-bottom: 24px;
}

.sidebar-bottom {
  padding-top: 24px;
}

.profile-button {
  margin-top: 0;
}

.admin-view {
  padding-bottom: 24px;
}

@media(max-width:900px) {
  .login-layout {
    padding: 20px;
  }

  .login-form-wrap {
    padding: 28px 24px;
  }

  .server-host {
    font-size: 10px;
  }

  .topbar-right {
    gap: 2px;
  }

  .topbar-right .pill {
    font-size: 7px;
    padding: 6px;
    letter-spacing: .5px;
  }

  .topbar {
    gap: 6px;
  }

  .page-heading {
    padding: 20px 0;
  }

  .page-heading h1 {
    font-size: 28px;
  }

  .mail-surface {
    height: calc(100dvh - 160px);
    min-height: 420px;
    margin-bottom: 20px;
  }
}

@media(max-width:390px) {
  .server-host {
    max-width: 76px;
  }
}

.mobile-brand {
  display: none;
}

@media(max-width:900px) {
  .mobile-brand {
    display: inline-flex;
    align-items: center;
  }

  .server-host {
    display: none;
  }
}

.settings-grid { margin-bottom: 20px; }


.token-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 16px;
}

.token-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
}

.token-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.token-card-heading > div {
  min-width: 0;
}

.token-card h3 {
  margin: 0 0 5px;
  font-size: 15px;
  letter-spacing: -.2px;
  overflow-wrap: anywhere;
}

.token-card p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.token-scopes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 5px 0 14px;
}

.token-details {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 35px;
  font-size: 12px;
  margin: 18px 0;
}

.token-details dt {
  color: var(--muted);
  font-size: 10px;
  margin-bottom: 6px;
}

.token-details dd {
  margin: 0;
}

.token-actions {
  justify-content: flex-end;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.token-fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.token-fieldset legend {
  padding: 0;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 600;
}

.token-scope-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 14px;
}

#token-form .panel-note {
  margin: -7px 0 0;
}

#token-form .checkbox-label {
  overflow-wrap: anywhere;
}

#token-form .checkbox-label input {
  flex-shrink: 0;
}

#token-secret {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  width: 100%;
}

@media(max-width:900px) {
  .token-card {
    padding: 16px;
  }

  .token-scope-options {
    grid-template-columns: 1fr;
  }
}

/* Calm, consistent navigation. Mail/account permissions remain server enforced. */
:root{--radius:18px}.sidebar .brand{padding-right:16px}.sidebar-close{display:none}.navigation-search{display:flex;align-items:center;gap:9px;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--muted);font-size:11px;min-height:42px;margin-top:25px;width:100%}.navigation-search .icon{width:16px;height:16px}.navigation-search kbd{margin-left:auto;font-size:9px}.navigation-search:hover{color:var(--ink);border-color:var(--accent)}.compose-main{margin-top:14px;margin-bottom:24px;border-radius:13px}.nav-item{border-radius:12px;transition:background .16s,color .16s,transform .16s}.nav-item:hover{transform:translateX(2px)}.nav-item.active{box-shadow:inset 3px 0 var(--accent)}.profile-button{border:1px solid var(--line);border-radius:16px;padding:12px}.profile-button[aria-current=page]{background:var(--soft)}.mail-location{display:flex;align-items:center;gap:9px;white-space:nowrap;font-size:11px;color:var(--muted)}.mail-location strong{font-weight:550;color:var(--ink)}.topbar .server-host{margin-left:auto;font-size:10px}.topbar-right{margin-left:14px}#navigation-search-mobile{display:none}.navigation-dialog{padding:0;width:min(540px,calc(100vw - 28px));border:1px solid var(--line);border-radius:24px;background:var(--paper);color:var(--ink);box-shadow:var(--shadow);max-height:82dvh}.navigation-dialog::backdrop{background:#0008;backdrop-filter:blur(4px)}.navigation-dialog .dialog-header h2{font-size:19px}.navigation-query{display:flex;align-items:center;gap:12px;padding:0 24px 18px;border-bottom:1px solid var(--line)}.navigation-query input{width:100%;border:0;background:transparent;color:var(--ink);min-height:38px;outline-offset:2px}.navigation-query>.icon{flex:0 0 19px;color:var(--muted)}#navigation-results{padding:10px;max-height:48dvh;overflow:auto}#navigation-results a{display:flex;align-items:center;gap:14px;padding:13px 14px;border-radius:14px}#navigation-results a:hover,#navigation-results a:focus-visible{background:var(--soft);outline-offset:-3px}#navigation-results a>.icon:first-child{color:var(--accent)}#navigation-results a>.icon:last-child{margin-left:auto;width:14px;height:14px;color:var(--muted)}#navigation-results strong,#navigation-results small{display:block}#navigation-results strong{font-size:13px;font-weight:550}#navigation-results small{font-size:10px;color:var(--muted);margin-top:4px}#navigation-empty{padding:22px;color:var(--muted);font-size:12px}.navigation-dialog>footer{display:flex;align-items:center;gap:6px;border-top:1px solid var(--line);padding:15px 24px;font-size:10px;color:var(--muted)}.navigation-dialog>footer>span{margin-left:auto}.navigation-dialog[open]{animation:quick-navigation-in .18s ease-out}.mail-surface{border-radius:22px}.topbar{gap:12px}@keyframes quick-navigation-in{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
@media(max-width:1100px){.mail-location>span{display:none}.topbar .server-host{display:none}.topbar-right{margin-left:auto}}
@media(max-width:900px){.sidebar{width:min(290px,calc(100vw - 40px));padding:28px 20px 20px;overflow-y:auto;overscroll-behavior:contain}.sidebar-close{display:inline-flex;position:absolute;right:12px;top:24px}.sidebar>.brand{padding-right:36px}.navigation-open{overflow:hidden}.navigation-search{margin-top:24px}.sidebar .nav-item{min-height:44px}.sidebar .sidebar-bottom{margin-top:auto}.topbar{gap:8px}.mail-location{font-size:11px;min-width:0;overflow:hidden}.mail-location strong{overflow:hidden;text-overflow:ellipsis}#navigation-search-mobile{display:inline-flex}.topbar .mobile-brand{flex:0 0 25px}.topbar-right{gap:0;margin-left:auto}.navigation-dialog>footer{padding:14px;font-size:9px}.navigation-dialog .dialog-header{padding:18px}.navigation-query{padding-inline:18px}.profile-button{min-height:60px}.sidebar .compose-main{margin-bottom:22px}}
@media(max-width:390px){.mail-location{display:none}.topbar-right{gap:0}.topbar-right .pill{max-width:60px;text-align:center;font-size:6px}}
@media(prefers-reduced-motion:reduce){.navigation-dialog[open]{animation:none}.nav-item:hover{transform:none}}

/* Wordmark punctuation; standalone app icons retain their existing artwork. */
.brand-period{color:var(--accent,#2563eb)}

/* Keep destinations scrollable without losing account and site controls. */
.sidebar {
  overflow: hidden;
  padding-top: 28px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
}
.sidebar > .brand,
.sidebar > .navigation-search,
.sidebar > .compose-main,
.sidebar-bottom { flex-shrink: 0; }
.sidebar-navigation {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  padding: 3px 4px 16px;
  margin: 0 -4px;
}
.nav-label { letter-spacing: .04em; font-size: 11px; }
.admin-label { margin-top: 24px; }
.nav-item { min-height: 43px; font-size: 12px; }
.nav-item.active { box-shadow: none; }
.nav-item:hover { transform: none; }
.sidebar-bottom {
  display: grid;
  gap: 8px;
  margin-top: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.profile-button { padding: 11px 10px; border-radius: 14px; }
.profile-details { min-width: 0; }
.profile-button strong { max-width: none; white-space: nowrap; }
.profile-button small { line-height: 1.4; }
.profile-button[aria-current=page] { border-color: var(--accent); }
.website-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 11px;
  color: var(--muted);
  transition: color .16s, background .16s, border-color .16s;
}
.website-link:hover { color: var(--ink); background: var(--paper); border-color: var(--accent); }
.website-link > .icon { width: 16px; height: 16px; }
.website-link > .icon:last-child { width: 13px; height: 13px; margin-left: auto; }
.main { display: flex; flex-direction: column; min-width: 0; }
.main > .topbar,
.main > .page-heading,
.main > .mail-surface { flex-shrink: 0; }
.mail-surface { height: calc(100dvh - 228px); margin-bottom: 20px; }
.mail-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 24px;
  margin-top: auto;
  padding: 12px 0 max(12px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  font-size: 11px;
  line-height: 1.5;
  color: var(--muted);
}
.mail-footer nav,
.login-links { flex-direction: row; flex-wrap: wrap; gap: 8px 18px; }
.mail-footer a,
.login-links a { display: inline-flex; align-items: center; gap: 6px; min-height: 32px; }
.mail-footer a:hover,
.login-links a:hover { color: var(--accent); }
.mail-footer .icon,
.login-links .icon { width: 12px; height: 12px; }
.login-links {
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  color: var(--muted);
}
#navigation-results a[aria-current=page] { background: var(--soft); color: var(--accent); }
@media(max-width:900px) {
  .sidebar { overflow: hidden; }
  .sidebar .sidebar-bottom { margin-top: 0; }
  .sidebar .compose-main { margin-bottom: 18px; }
  .sidebar .navigation-search { margin-top: 22px; }
  .mail-location { display: flex; flex: 1; min-width: 0; }
  .mail-location strong { white-space: nowrap; }
  .topbar-right { flex-shrink: 0; }
  .mail-surface { height: calc(100dvh - 212px); min-height: 420px; }
  .mail-footer { gap: 2px 12px; font-size: 10px; }
  .mail-footer nav { gap: 12px; }
}
@media(max-width:480px) {
  .topbar-right .pill { display: none; }
  .mail-location { display: flex; }
  .mail-footer { justify-content: flex-start; }
  .mail-footer > span { flex-basis: 100%; }
  .mail-footer a { min-height: 36px; }
}
@media(max-height:600px) {
  .sidebar { padding-top: 18px; }
  .sidebar .navigation-search { margin-top: 16px; }
  .sidebar .compose-main { margin-top: 10px; margin-bottom: 14px; }
  .sidebar-bottom { gap: 6px; padding-top: 10px; }
  .sidebar-close { top: 14px; }
}

/* Explain the secure entry point before collecting any credentials. */
.login-access { margin: 0; outline: none; }
.login-access p { font-size: 13px; line-height: 1.75; color: var(--muted); overflow-wrap: anywhere; }
.login-access .button { margin-top: 8px; }