*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.5;
  overflow-wrap: break-word;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

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

:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

h1:focus,
main:focus {
  outline: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-2);
  top: var(--space-2);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  min-height: var(--target-min);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  color: var(--color-text);
  border: var(--border-hairline) solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
}

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

.icon {
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
}

.muted {
  color: var(--color-text-secondary);
}

.header {
  border-bottom: var(--border-hairline) solid var(--color-border);
  background: var(--color-bg);
}

.header__inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  grid-template-areas:
    "brand compose menu"
    "search search search";
  align-items: center;
  gap: var(--space-2) var(--space-2);
  padding: var(--space-2) var(--space-4);
  max-width: 90rem;
  margin: 0 auto;
}

.brand {
  grid-area: brand;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--target-min);
  color: var(--color-text);
  text-decoration: none;
  font-weight: var(--weight-title);
}

.brand:hover {
  color: var(--color-text);
}

.brand__mark {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-text);
}

.search {
  grid-area: search;
  position: relative;
  min-width: 0;
}

.search__input {
  width: 100%;
}

.search__hint {
  display: none;
  position: absolute;
  z-index: 15;
  left: 0;
  right: 0;
  top: calc(100% + var(--space-1));
  margin: 0;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border: var(--border-hairline) solid var(--color-border-strong);
  border-radius: var(--radius-control);
  font-size: var(--text-metadata);
}

.search:focus-within .search__hint {
  display: block;
}

.compose-link {
  grid-area: compose;
}

.compose-link__label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.menu {
  grid-area: menu;
  position: relative;
}

.menu__toggle {
  gap: var(--space-1);
}

.icon--user {
  display: none;
}

.brand__name {
  white-space: nowrap;
}

@media (max-width: 519px) {
  .icon--user {
    display: block;
  }

  .icon--chevron,
  .menu__label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }
}

.menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-1));
  z-index: 20;
  min-width: 14rem;
  max-width: calc(100vw - 2rem);
  padding: var(--space-2);
  background: var(--color-surface);
  border: var(--border-hairline) solid var(--color-border-strong);
  border-radius: var(--radius-control);
  display: flex;
  flex-direction: column;
}

.menu__panel[hidden] {
  display: none;
}

.menu__who {
  margin: 0;
  padding: var(--space-2) var(--space-3);
  font-weight: var(--weight-title);
  overflow-wrap: anywhere;
}

.menu__item {
  display: flex;
  align-items: center;
  min-height: var(--target-min);
  padding: 0 var(--space-3);
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text);
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.menu__item:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.layout {
  display: block;
  max-width: 90rem;
  margin: 0 auto;
  padding-bottom: calc(4.25rem + env(safe-area-inset-bottom, 0px));
}

.content {
  min-width: 0;
  padding: var(--space-4);
}

.main {
  min-width: 0;
  max-width: var(--measure-page);
}

.folders {
  position: fixed;
  z-index: 10;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  border-top: var(--border-hairline) solid var(--color-border);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.folders__list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.folders__item {
  min-width: 0;
}

.folders__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 3.5rem;
  padding: var(--space-1);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-metadata);
  line-height: 1.2;
}

.folders__link:hover {
  color: var(--color-text);
  background: var(--color-surface-hover);
}

.folders__link[aria-current="page"] {
  color: var(--color-accent);
  font-weight: var(--weight-title);
  box-shadow: inset 0 2px 0 var(--color-accent);
}

.folders__count {
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
}

.folders__count--unread {
  color: var(--color-text);
  font-weight: var(--weight-title);
}

@media (min-width: 860px) {
  .header__inner {
    grid-template-columns: 14rem minmax(0, 40rem) auto 1fr;
    grid-template-areas: "brand search compose menu";
    padding: var(--space-2) var(--space-5);
    gap: var(--space-3);
  }

  .menu {
    justify-self: end;
  }

  .compose-link__label {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
  }

  .layout {
    display: grid;
    grid-template-columns: 14rem minmax(0, 1fr);
    padding-bottom: 0;
    min-height: calc(100vh - 4rem);
  }

  .folders {
    position: sticky;
    top: 0;
    align-self: start;
    border-top: 0;
    padding: var(--space-3) var(--space-3) var(--space-3) var(--space-5);
    background: transparent;
    max-height: 100vh;
  }

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

  .folders__link {
    flex-direction: row;
    justify-content: space-between;
    min-height: var(--target-min);
    padding: 0 var(--space-3);
    border-radius: var(--radius-control);
    font-size: var(--text-body);
  }

  .folders__link[aria-current="page"] {
    box-shadow: none;
    background: var(--color-selected-bg);
  }

  .content {
    padding: var(--space-4) var(--space-5);
  }
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--target-min);
  padding: 0 var(--space-4);
  border: var(--border-hairline) solid var(--color-border-strong);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.button:disabled {
  opacity: 0.6;
  cursor: default;
}

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

.button--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-accent-contrast);
}

.button--quiet {
  border-color: transparent;
  background: transparent;
  padding: 0 var(--space-3);
}

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

.button--danger:hover {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.input {
  display: block;
  width: 100%;
  min-height: var(--target-min);
  padding: var(--space-2) var(--space-3);
  border: var(--border-hairline) solid var(--color-border-strong);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: 1rem;
}

.input::placeholder {
  color: var(--color-text-tertiary);
}

.input[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.input--body {
  resize: vertical;
  min-height: 14rem;
  line-height: 1.5;
}

.banner {
  margin: 0;
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface-sunken);
  color: var(--color-text-secondary);
  border-bottom: var(--border-hairline) solid var(--color-border);
  font-size: var(--text-metadata);
}

.page__title {
  margin: 0 0 var(--space-2);
  font-size: 1.375rem;
  line-height: 1.3;
  font-weight: var(--weight-title);
  overflow-wrap: anywhere;
}

.page__lead {
  margin: 0 0 var(--space-3);
  color: var(--color-text-secondary);
}

.page--narrow {
  max-width: 32rem;
}

.section-title {
  margin: var(--space-4) 0 var(--space-2);
  font-size: var(--text-body);
  font-weight: var(--weight-title);
}

.crumbs {
  margin: 0 0 var(--space-2);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.crumbs a {
  display: inline-flex;
  align-items: center;
  min-height: var(--target-min);
}

.notice {
  margin: var(--space-3) 0;
  padding: var(--space-3);
  border: var(--border-hairline) solid var(--color-border-strong);
  border-radius: var(--radius-control);
  background: var(--color-surface-sunken);
  color: var(--color-text);
}

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

.notice--quiet {
  margin: 0 0 var(--space-3);
  font-size: var(--text-metadata);
  color: var(--color-text-secondary);
}

.tools {
  display: flex;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
}

.empty {
  padding: var(--space-6) 0;
}

.empty__title {
  margin: 0;
  font-weight: var(--weight-title);
}

.rows {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-hairline) solid var(--color-border);
}

.row {
  position: relative;
  display: grid;
  grid-template-columns: var(--target-min) minmax(0, 1fr);
  align-items: center;
  border-bottom: var(--border-hairline) solid var(--color-border);
}

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

.row--draft .row__link {
  padding-left: var(--space-3);
}

.row--unread {
  box-shadow: inset 3px 0 0 var(--color-accent);
}

.row:hover {
  background: var(--color-surface-hover);
}

.row:focus-within {
  background: var(--color-selected-bg);
}

.row__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "who meta"
    "subject subject";
  column-gap: var(--space-3);
  min-height: var(--target-min);
  padding: var(--space-2) var(--space-2) var(--space-2) 0;
  color: var(--color-text);
  text-decoration: none;
}

.row__link:hover {
  color: var(--color-text);
}

.row__who {
  grid-area: who;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row__subject {
  grid-area: subject;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-text-secondary);
}

.row__meta {
  grid-area: meta;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--text-metadata);
  white-space: nowrap;
}

.row--unread .row__who,
.row--unread .row__subject {
  font-weight: 700;
  color: var(--color-text);
}

.icon--clip {
  width: 1rem;
  height: 1rem;
}

.star {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--target-min);
  height: var(--target-min);
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-text-tertiary);
  cursor: pointer;
}

.star[aria-pressed="true"] {
  color: var(--color-warning);
}

.star[aria-pressed="true"] .icon--star {
  fill: currentColor;
}

.more {
  margin: var(--space-3) 0;
}

@media (min-width: 860px) {
  .row__link {
    grid-template-columns: 12rem minmax(0, 1fr) auto;
    grid-template-areas: "who subject meta";
    align-items: center;
  }
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  margin: var(--space-2) 0 var(--space-3);
}

.confirm {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
  padding: var(--space-3);
  border: var(--border-hairline) solid var(--color-danger);
  border-radius: var(--radius-control);
  background: var(--color-danger-bg);
}

.confirm[hidden] {
  display: none;
}

.confirm__text {
  flex: 1 1 100%;
  margin: 0;
}

.headers {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 var(--space-3);
  margin: 0 0 var(--space-3);
  padding: var(--space-3) 0;
  border-top: var(--border-hairline) solid var(--color-border);
  border-bottom: var(--border-hairline) solid var(--color-border);
  font-size: var(--text-metadata);
}

.headers__label {
  color: var(--color-text-secondary);
}

.headers__value {
  margin: 0;
  overflow-wrap: anywhere;
}

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

.files__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--target-min);
}

.files__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--target-min);
  min-width: 0;
}

.files__name {
  overflow-wrap: anywhere;
}

.files__size {
  color: var(--color-text-secondary);
  font-size: var(--text-metadata);
}

.body {
  margin-top: var(--space-3);
}

.body__switch {
  margin: 0 0 var(--space-2);
}

.body__plain {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-width: 46rem;
}

.html-body {
  max-width: 46rem;
  overflow-x: auto;
  overflow-wrap: anywhere;
}

.html-body img {
  max-width: 100%;
  height: auto;
}

.html-body table {
  border-collapse: collapse;
  max-width: 100%;
}

.html-body td,
.html-body th {
  padding: var(--space-1) var(--space-2);
  border: var(--border-hairline) solid var(--color-border);
  vertical-align: top;
}

.html-body blockquote {
  margin: var(--space-2) 0;
  padding-left: var(--space-3);
  border-left: 3px solid var(--color-border-strong);
  color: var(--color-text-secondary);
}

.html-body pre {
  overflow-x: auto;
  padding: var(--space-2);
  background: var(--color-surface-sunken);
}

.remote-blocked {
  display: inline-block;
  padding: 0 var(--space-2);
  border: var(--border-hairline) dashed var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: var(--text-metadata);
}

.thread {
  margin: var(--space-3) 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-hairline) solid var(--color-border);
}

.thread__item {
  border-bottom: var(--border-hairline) solid var(--color-border);
}

.thread__toggle {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
  min-height: var(--target-min);
  padding: var(--space-2) 0;
  border: 0;
  background: transparent;
  color: var(--color-text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.thread__who {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.thread__who--unread {
  font-weight: 700;
}

.thread__when {
  color: var(--color-text-secondary);
  font-size: var(--text-metadata);
  white-space: nowrap;
}

.thread__body {
  padding: 0 0 var(--space-4);
}

.compose {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 48rem;
}

.compose__extra {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.compose__extra[hidden] {
  display: none;
}

.compose__reveal {
  margin: 0;
}

.compose__reveal .button {
  padding-left: 0;
}

.thread__toggle[aria-expanded="true"] {
  font-weight: var(--weight-title);
}

.compose__status {
  min-height: 1.5rem;
  margin: 0 0 var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--text-metadata);
}

.compose__bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.field__label {
  font-weight: var(--weight-title);
  font-size: var(--text-metadata);
}

.field__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  min-height: 1.25rem;
}

.field__error {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin: 0;
  color: var(--color-danger);
  font-size: var(--text-metadata);
}

.field__error[hidden] {
  display: none;
}

.attachments {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
}

.attachments .button {
  border-color: var(--color-border-strong);
}

.attachments .field__hint {
  margin: 0;
  font-size: var(--text-metadata);
}

.upload {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-metadata);
}

.upload__bar {
  width: 10rem;
  max-width: 100%;
}

.dialog {
  width: min(32rem, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  overflow: auto;
  padding: var(--space-4);
  border: var(--border-hairline) solid var(--color-border-strong);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-text);
}

.dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.dialog__title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-result-title);
}

.dialog__actions {
  margin: var(--space-3) 0 0;
  text-align: right;
}

.keys {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: var(--space-1) var(--space-4);
  margin: var(--space-3) 0 0;
}

.keys__key {
  font-family: var(--font-mono);
  font-size: var(--text-metadata);
}

.keys__what {
  margin: 0;
}