:root {
  color-scheme: light;
  --paper: #f5f7fa;
  --surface: #ffffff;
  --surface-muted: #eef2f7;
  --ink: #182434;
  --muted: #58677a;
  --line: #d9e0e8;
  --blue: #235ec7;
  --blue-strong: #194a9e;
  --blue-soft: #e8effc;
  --success: #176b4d;
  --success-soft: #e4f3ec;
  --danger: #a23838;
  --danger-soft: #fbecec;
  --focus: #6b9df3;
  --radius: 10px;
  --radius-small: 7px;
  --content-width: 1280px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #121a24;
  --surface: #192433;
  --surface-muted: #202d3d;
  --ink: #edf3fa;
  --muted: #a9b6c6;
  --line: #354456;
  --blue: #79a9ff;
  --blue-strong: #9bbfff;
  --blue-soft: #20385e;
  --success: #77d0a7;
  --success-soft: #173c32;
  --danger: #ff9b9b;
  --danger-soft: #4a262d;
  --focus: #a4c6ff;
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] {
    color-scheme: dark;
    --paper: #121a24;
    --surface: #192433;
    --surface-muted: #202d3d;
    --ink: #edf3fa;
    --muted: #a9b6c6;
    --line: #354456;
    --blue: #79a9ff;
    --blue-strong: #9bbfff;
    --blue-soft: #20385e;
    --success: #77d0a7;
    --success-soft: #173c32;
    --danger: #ff9b9b;
    --danger-soft: #4a262d;
    --focus: #a4c6ff;
  }
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
  scrollbar-color: var(--muted) var(--paper);
  scrollbar-width: thin;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: "Roboto", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

body::-webkit-scrollbar,
*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

body::-webkit-scrollbar-track,
*::-webkit-scrollbar-track {
  background: var(--paper);
}

body::-webkit-scrollbar-thumb,
*::-webkit-scrollbar-thumb {
  background: var(--muted);
  border: 3px solid var(--paper);
  border-radius: 10px;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: .62;
}

button,
input {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-small);
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.app-shell {
  min-height: 100vh;
}

.public-header,
.app-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.public-header-inner,
.app-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(100% - 40px, var(--content-width));
  min-height: 72px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--blue);
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
}

.brand-mark svg {
  width: 20px;
  height: 20px;
}

.brand-name {
  font-size: 1.1rem;
}

.header-actions,
.header-status,
.inline-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-status {
  color: var(--muted);
  font-size: .86rem;
}

.icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  line-height: 1.1;
  text-decoration: none;
}

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

.button.secondary {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

.button.secondary:hover,
.button.ghost:hover {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue-strong);
}

.button.ghost {
  min-height: 36px;
  padding: 6px 10px;
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.button.danger {
  border-color: var(--danger);
  background: var(--danger-soft);
  color: var(--danger);
}

.button.small {
  min-height: 34px;
  padding: 6px 10px;
  font-size: .88rem;
}

.public-main {
  width: min(100% - 40px, var(--content-width));
  margin: 0 auto;
  padding: 56px 0 72px;
}

.intro {
  max-width: 720px;
  margin-bottom: 34px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue-strong);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  letter-spacing: -.035em;
  line-height: 1.1;
}

h1 {
  max-width: 680px;
  margin-bottom: 14px;
  font-size: clamp(2rem, 5vw, 3.7rem);
}

h2 {
  margin-bottom: 8px;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

h3 {
  margin-bottom: 5px;
  font-size: 1.08rem;
}

.lede {
  max-width: 640px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.auth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.panel,
.auth-card,
.info-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.auth-card {
  display: flex;
  min-height: 390px;
  flex-direction: column;
  padding: 26px;
}

.auth-card.primary {
  border-top: 3px solid var(--blue);
}

.card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
}

.card-heading .icon-wrap {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: var(--surface-muted);
  color: var(--blue-strong);
}

.icon-wrap .icon {
  width: 21px;
  height: 21px;
}

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

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 8px;
}

.field {
  display: grid;
  gap: 7px;
}

.field label,
.field-label {
  color: var(--ink);
  font-size: .88rem;
  font-weight: 700;
}

.input,
.select {
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: var(--surface);
  color: var(--ink);
}

.input::placeholder {
  color: var(--muted);
  opacity: .78;
}

.input:hover,
.input:focus,
.select:hover,
.select:focus {
  border-color: var(--blue);
}

.password-row {
  position: relative;
}

.password-row .input {
  padding-right: 46px;
}

.password-toggle {
  position: absolute;
  top: 5px;
  right: 5px;
  min-width: 34px;
  min-height: 34px;
  padding: 6px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
}

.password-toggle:hover {
  background: var(--surface-muted);
  color: var(--ink);
}

.domain-list,
.meta-list,
.connection-list {
  display: grid;
  gap: 7px;
  margin: 0;
}

.domain-list {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin-top: 2px;
}

.domain-chip {
  display: inline-flex;
  align-items: center;
  min-height: 33px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--ink);
  font-size: .84rem;
}

.notice {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin: 0 0 18px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: var(--surface-muted);
  color: var(--ink);
  font-size: .91rem;
}

.notice.error {
  border-color: var(--danger);
  background: var(--danger-soft);
  color: var(--danger);
}

.notice.success {
  border-color: var(--success);
  background: var(--success-soft);
  color: var(--success);
}

.notice .icon {
  margin-top: 1px;
}

.noscript-message {
  width: min(100% - 40px, 680px);
  margin: 72px auto;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

/* Authenticated workspace */
.workspace {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  width: min(100% - 40px, var(--content-width));
  min-height: calc(100vh - 73px);
  margin: 0 auto;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 30px 18px 30px 0;
  border-right: 1px solid var(--line);
}

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

.sidebar-label {
  padding: 0 10px;
  color: var(--muted);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.nav-button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 42px;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  background: transparent;
  color: var(--muted);
  text-align: left;
}

.nav-button:hover,
.nav-button.active {
  border-color: var(--line);
  background: var(--surface);
  color: var(--blue-strong);
}

.sidebar-bottom {
  margin-top: auto;
  padding: 14px 10px 0;
  border-top: 1px solid var(--line);
}

.workspace-main {
  min-width: 0;
  padding: 36px 0 72px 36px;
}

.workspace-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.workspace-heading h1 {
  margin-bottom: 7px;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
}

.workspace-heading .lede {
  font-size: .95rem;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  gap: 18px;
  align-items: start;
}

.panel {
  padding: 22px;
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.panel-header h2 {
  margin-bottom: 0;
  font-size: 1.25rem;
}

.panel-body {
  padding-top: 18px;
}

.account-list,
.message-list {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: var(--line);
}

.account-row,
.message-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-width: 0;
  padding: 14px;
  background: var(--surface);
}

.account-row-main,
.message-row-main {
  min-width: 0;
}

.account-email,
.message-subject {
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-meta,
.message-sender,
.message-date {
  display: block;
  margin-top: 3px;
  overflow: hidden;
  color: var(--muted);
  font-size: .83rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-badge,
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex: 0 0 auto;
  min-height: 28px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: .78rem;
  font-weight: 700;
}

.status-badge.success {
  border-color: var(--success);
  background: var(--success-soft);
  color: var(--success);
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 170px;
  padding: 22px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-small);
  color: var(--muted);
  text-align: center;
}

.empty-state .icon {
  width: 28px;
  height: 28px;
  margin-bottom: 10px;
  color: var(--blue);
}

.connection-card {
  border-top: 3px solid var(--blue);
}

.connection-list {
  gap: 0;
}

.connection-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.connection-row:last-child {
  border-bottom: 0;
}

.connection-row dt {
  color: var(--muted);
}

.connection-row dd {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  text-align: right;
  overflow-wrap: anywhere;
}

.inbox-layout {
  display: grid;
  grid-template-columns: minmax(240px, .75fr) minmax(0, 1.25fr);
  gap: 18px;
  align-items: start;
}

.message-row {
  display: block;
  width: 100%;
  border: 0;
  color: inherit;
  text-align: left;
}

.message-row:hover,
.message-row.active {
  background: var(--blue-soft);
}

.message-row.active {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.message-detail {
  min-width: 0;
}

.message-detail-header {
  display: grid;
  gap: 10px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.message-detail-header h2 {
  margin-bottom: 0;
  overflow-wrap: anywhere;
}

.message-meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 5px 14px;
  margin: 0;
  color: var(--muted);
  font-size: .88rem;
}

.message-meta dd {
  margin: 0;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.message-body {
  min-height: 260px;
  margin: 0;
  padding: 20px 0 4px;
  color: var(--ink);
  font-family: "Roboto", Arial, sans-serif;
  font-size: .96rem;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.loading-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { rotate: 360deg; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 940px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    padding: 18px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .sidebar-section {
    display: flex;
    align-items: center;
    min-width: 0;
    gap: 7px;
  }

  .sidebar-label,
  .sidebar-bottom {
    display: none;
  }

  .nav-button {
    width: auto;
    min-height: 38px;
  }

  .workspace-main {
    padding: 30px 0 60px;
  }
}

@media (max-width: 720px) {
  .public-header-inner,
  .app-header-inner,
  .public-main,
  .workspace {
    width: min(100% - 28px, var(--content-width));
  }

  .public-header-inner,
  .app-header-inner {
    min-height: 62px;
  }

  .header-status {
    display: none;
  }

  .public-main {
    padding: 38px 0 52px;
  }

  .intro {
    margin-bottom: 24px;
  }

  .auth-grid,
  .content-grid,
  .inbox-layout {
    grid-template-columns: 1fr;
  }

  .auth-card {
    min-height: auto;
    padding: 20px;
  }

  .workspace-heading {
    display: grid;
    gap: 14px;
    margin-bottom: 22px;
  }

  .workspace-heading .button {
    justify-self: start;
  }

  .panel {
    padding: 18px;
  }

  .inbox-layout .message-list {
    max-height: 280px;
    overflow-y: auto;
  }
}

@media (max-width: 460px) {
  .public-header-inner,
  .app-header-inner,
  .public-main,
  .workspace {
    width: min(100% - 20px, var(--content-width));
  }

  .brand-name {
    font-size: 1rem;
  }

  .header-actions .button {
    min-width: 38px;
    padding: 8px;
  }

  .header-actions .button .button-label {
    display: none;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .form-actions .button {
    width: 100%;
  }

  .card-heading {
    margin-bottom: 20px;
  }

  .connection-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }

  .connection-row dd {
    text-align: left;
  }
}