/* Workspace containment: the application stays inside the viewport while each pane scrolls independently. */
body {
  overflow: hidden;
}

.mail-shell {
  --sidebar-width: 244px;
  width: 100%;
  max-width: 100vw;
  height: 100svh;
  min-height: 0;
  overflow: hidden;
  grid-template-columns: var(--sidebar-width) minmax(320px, var(--message-list-width, 460px)) 10px minmax(0, 1fr);
}

.sidebar,
.message-list,
.message-reading {
  min-width: 0;
  min-height: 0;
  height: 100%;
}

.message-list {
  display: grid;
  grid-template-rows: 122px 40px minmax(0, 1fr);
  overflow: hidden;
}

.messages {
  min-height: 0;
  height: auto;
  overflow-x: auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.message-reading {
  overflow: auto;
  overscroll-behavior: contain;
  padding: 7px;
}

.message,
.message-top,
.sender,
.message h3,
.message p,
.from-line > div {
  min-width: 0;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.sidebar-icon-button,
.sidebar-setting {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

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

.sidebar-collapse-control {
  width: 100%;
  margin-bottom: 3px;
  justify-content: flex-start;
  padding: 7px 10px;
}

.sidebar-icon-button:hover,
.sidebar-setting:hover {
  background: #e9f0ea;
  color: var(--accent);
}

.sidebar-icon-button svg {
  width: 17px;
  height: 17px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sidebar-setting {
  width: 100%;
  justify-content: flex-start;
  gap: 11px;
  padding: 9px 10px;
  color: #65736a;
  font-size: 12px;
  text-align: left;
}

.sidebar-setting-label {
  white-space: nowrap;
}

.sidebar-collapsed {
  --sidebar-width: 72px;
}

.sidebar-collapsed .sidebar {
  padding-inline: 8px;
}

.sidebar-collapsed .sidebar-top {
  padding-inline: 0;
}

.sidebar-collapsed .sidebar-brand {
  justify-content: center;
}

.sidebar-collapsed .sidebar .brand-lockup {
  margin-bottom: 30px;
}

.sidebar-collapsed .sidebar .brand-lockup span,
.sidebar-collapsed .sidebar .brand-lockup b,
.sidebar-collapsed .sidebar-setting-label,
.sidebar-collapsed .account-button span:not(.chevron),
.sidebar-collapsed .chevron {
  display: none;
}

.sidebar-collapsed .compose,
.sidebar-collapsed .folder,
.sidebar-collapsed .account-button,
.sidebar-collapsed .sidebar-setting {
  justify-content: center;
}

.sidebar-collapsed .sidebar-collapse-control {
  display: inline-flex;
  justify-content: center;
  padding-inline: 0;
}

.sidebar-collapsed .compose > span:last-child,
.sidebar-collapsed .folder > span:not(.nav-icon),
.sidebar-collapsed .folder b {
  display: none;
}

.sidebar-collapsed .logout {
  font-size: 0;
  text-align: center;
}

.sidebar-collapsed .logout span {
  float: none;
  font-size: 14px;
}

body.dark {
  --ink: #edf4ee;
  --muted: #9aa99d;
  --line: #2c3930;
  --paper: #101512;
  --surface: #141b16;
  --night: #080d0a;
  color-scheme: dark;
}

body.dark .sidebar,
body.dark .message-list,
body.dark .message-reading,
body.dark .message,
body.dark .modal-card,
body.dark .auth-panel {
  background: var(--surface);
}

body.dark .sidebar {
  background: #111813;
}

body.dark .folder:hover,
body.dark .account-button:hover,
body.dark .sidebar-icon-button:hover,
body.dark .sidebar-setting:hover {
  background: #1d2a20;
}

body.dark .folder.active {
  background: #173821;
  color: #7cdd99;
}

body.dark .message:hover,
body.dark .message.selected {
  background: #1a261d;
}

body.dark .icon-button,
body.dark .compose-fields textarea {
  background: #18231b;
  border-color: var(--line);
  color: var(--ink);
}

body.dark .round-button,
body.dark .account-button i,
body.dark .from-avatar,
body.dark .settings-account i {
  background: #1d4227;
  color: #85e69f;
}

body.dark .account-line select,
body.dark .auth-form input,
body.dark .account-form-wrap input,
body.dark .compose-fields input,
body.dark .compose-fields select,
body.dark .account-form-wrap select {
  color: var(--ink);
  border-color: #45554a;
}

body.dark .skeleton {
  background: linear-gradient(90deg, #141b16, #203025, #141b16);
  background-size: 200% 100%;
}

body.dark .discovery-note {
  background: #17321e;
  color: #b7ddc1;
}

body.dark .account-layout aside {
  background: #080d0a;
}

body.dark .empty-list h3,
body.dark .reading-empty h2 {
  color: var(--ink);
}

.messages::-webkit-scrollbar,
.message-reading::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.messages::-webkit-scrollbar-thumb,
.message-reading::-webkit-scrollbar-thumb {
  border: 3px solid transparent;
  border-radius: 999px;
  background: #b5c2b7;
  background-clip: padding-box;
}

body.dark .messages::-webkit-scrollbar-thumb,
body.dark .message-reading::-webkit-scrollbar-thumb {
  background: #5a6d5e;
  background-clip: padding-box;
}

.account-line {
  gap: 10px;
}

.account-picker {
  position: relative;
  display: flex;
  min-width: 0;
  max-width: 285px;
  flex: 1;
  align-items: center;
}

.account-picker-status {
  position: absolute;
  z-index: 1;
  left: 10px;
  width: 7px;
  height: 7px;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 24%, transparent);
  pointer-events: none;
}

.account-line .account-picker select {
  width: 100%;
  max-width: none;
  min-width: 0;
  height: 34px;
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 0 31px 0 25px;
  background: color-mix(in srgb, var(--accent) 7%, var(--surface));
  color: var(--ink);
  font-size: 11px;
  font-weight: 800;
  text-overflow: ellipsis;
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.account-line .account-picker select:hover {
  border-color: color-mix(in srgb, var(--accent) 52%, var(--line));
  background: color-mix(in srgb, var(--accent) 11%, var(--surface));
}

.account-line .account-picker select:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
  outline: 0;
}

.account-picker-chevron {
  position: absolute;
  right: 10px;
  display: grid;
  width: 14px;
  height: 14px;
  place-items: center;
  color: var(--accent);
  pointer-events: none;
}

.account-picker-chevron svg,
.round-button svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.round-button {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 14px color-mix(in srgb, var(--accent) 22%, transparent);
  transition: background 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.round-button:hover {
  background: var(--accent-strong);
  box-shadow: 0 8px 18px color-mix(in srgb, var(--accent) 30%, transparent);
  transform: translateY(-1px);
}

.round-button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 26%, transparent);
  outline-offset: 2px;
}

.round-button span {
  display: grid;
  width: 17px;
  height: 17px;
}

body.dark .account-line .account-picker select {
  border-color: #36503c;
  background: #18291c;
  color: var(--ink);
}

body.dark .account-picker-status {
  border-color: #18291c;
}

@media (max-width: 900px) {
  .mail-shell,
  .mail-shell.sidebar-collapsed {
    --sidebar-width: 70px;
    grid-template-columns: var(--sidebar-width) minmax(260px, var(--message-list-width, 420px)) 10px minmax(0, 1.1fr);
  }

  .sidebar-icon-button {
    display: none;
  }
}

@media (max-width: 680px) {
  body {
    overflow: auto;
  }

  .mail-shell,
  .mail-shell.sidebar-collapsed {
    display: block;
    height: 100svh;
  }

  .message-list {
    display: grid;
    grid-template-rows: 105px 40px minmax(0, 1fr);
    min-height: 100svh;
  }

  .sidebar {
    height: 61px;
    min-height: 61px;
  }

  .messages {
    min-height: 0;
    height: auto;
    padding-bottom: 62px;
  }

  .sidebar-setting {
    display: none;
  }
}