:root {
  --desktop: #008080;
  --face: #c0c0c0;
  --dark: #404040;
  --shadow: #808080;
  --light: #ffffff;
  --mid: #dfdfdf;
  --blue: #000080;
  --blue-2: #1084d0;
  --ink: #000000;
  --paper: #fffff4;
  --focus: #ffdf00;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(45deg, rgba(255,255,255,.07) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.07) 75%),
    linear-gradient(45deg, rgba(0,0,0,.05) 25%, transparent 25%, transparent 75%, rgba(0,0,0,.05) 75%),
    var(--desktop);
  background-position: 0 0, 4px 4px;
  background-size: 8px 8px;
  font-family: "MS Sans Serif", Tahoma, Arial, sans-serif;
  font-size: 12px;
}

button,
input {
  font: inherit;
}

button {
  color: var(--ink);
}

.desktop {
  min-height: 100vh;
  padding: clamp(10px, 2vw, 24px);
  display: grid;
  place-items: center;
}

.window {
  width: min(1180px, 100%);
  height: min(760px, calc(100vh - 20px));
  min-height: 560px;
  display: grid;
  grid-template-rows: 22px 24px 42px 1fr 23px;
  background: var(--face);
  border-top: 2px solid var(--light);
  border-left: 2px solid var(--light);
  border-right: 2px solid var(--dark);
  border-bottom: 2px solid var(--dark);
  box-shadow: 2px 2px 0 rgba(0,0,0,.45);
}

.titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 2px 3px 2px 4px;
  color: white;
  background: linear-gradient(90deg, var(--blue), var(--blue-2));
  font-weight: 700;
  user-select: none;
}

.title-left {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 5px;
}

.title-left span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-icon {
  width: 16px;
  height: 14px;
  flex: 0 0 auto;
  position: relative;
  display: inline-block;
  background: #fff;
  border: 1px solid #000;
}

.app-icon::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 3px;
  width: 10px;
  height: 6px;
  border-left: 1px solid #000;
  border-bottom: 1px solid #000;
  transform: skewY(-28deg);
}

.window-buttons {
  display: flex;
  gap: 2px;
}

.window-buttons button,
.menubar button,
.tool,
.folder {
  border-top: 2px solid var(--light);
  border-left: 2px solid var(--light);
  border-right: 2px solid var(--dark);
  border-bottom: 2px solid var(--dark);
  background: var(--face);
}

.window-buttons button {
  width: 17px;
  height: 15px;
  padding: 0;
  position: relative;
}

.window-buttons button:active,
.menubar button:active,
.tool:active,
.folder:active,
.message-row:active {
  border-top-color: var(--dark);
  border-left-color: var(--dark);
  border-right-color: var(--light);
  border-bottom-color: var(--light);
}

.window-buttons button:nth-child(1)::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 3px;
  height: 2px;
  background: #000;
}

.window-buttons button:nth-child(2)::after {
  content: "";
  position: absolute;
  inset: 3px 4px 4px;
  border: 1px solid #000;
  border-top-width: 2px;
}

.window-buttons button:nth-child(3)::before,
.window-buttons button:nth-child(3)::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 2px;
  width: 2px;
  height: 10px;
  background: #000;
}

.window-buttons button:nth-child(3)::before {
  transform: rotate(45deg);
}

.window-buttons button:nth-child(3)::after {
  transform: rotate(-45deg);
}

.menubar,
.toolbar,
.statusbar {
  display: flex;
  align-items: center;
  background: var(--face);
}

.menubar {
  gap: 2px;
  padding: 2px 4px;
  position: relative;
}

.menu {
  position: relative;
}

.menu-trigger {
  height: 19px;
  padding: 0 8px;
  border-color: transparent;
  background: transparent;
}

.menu-trigger:hover,
.menu-trigger:focus-visible,
.menu-trigger[aria-expanded="true"] {
  border-top-color: var(--light);
  border-left-color: var(--light);
  border-right-color: var(--dark);
  border-bottom-color: var(--dark);
  outline: 1px dotted #000;
  outline-offset: -4px;
}

.menu-panel {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 40;
  min-width: 180px;
  padding: 2px;
  flex-direction: column;
  gap: 1px;
  background: var(--face);
  border-top: 2px solid var(--light);
  border-left: 2px solid var(--light);
  border-right: 2px solid var(--dark);
  border-bottom: 2px solid var(--dark);
  box-shadow: 2px 2px 0 rgba(0,0,0,.35);
}

.menu-panel.open {
  display: flex;
}

.menu-panel button {
  padding: 5px 10px;
  text-align: left;
  border: 0;
  background: transparent;
  white-space: nowrap;
}

.menu-panel button:hover,
.menu-panel button:focus-visible {
  color: #fff;
  background: var(--blue);
  outline: none;
}

.menu-panel hr {
  margin: 2px 4px;
  border: 0;
  border-top: 1px solid var(--shadow);
  border-bottom: 1px solid var(--light);
}

.toolbar {
  gap: 5px;
  padding: 4px;
  border-top: 1px solid var(--light);
  border-bottom: 1px solid var(--shadow);
}

.tool {
  min-width: 72px;
  height: 30px;
  padding: 2px 8px 2px 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.tool-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  position: relative;
  flex: 0 0 auto;
}

.tool-icon.compose {
  background: #fff;
  border: 1px solid #000;
}

.tool-icon.compose::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 2px;
  right: -2px;
  bottom: 1px;
  background: #000;
  transform: rotate(-35deg);
}

.tool-icon.reply::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 4px;
  width: 9px;
  height: 9px;
  border-left: 3px solid #000;
  border-bottom: 3px solid #000;
  transform: rotate(45deg);
}

.tool-icon.reply.forward::before {
  left: 5px;
  transform: rotate(225deg);
}

.tool-icon.archive {
  border: 1px solid #000;
  background: #ffe08a;
}

.tool-icon.archive::before {
  content: "";
  position: absolute;
  left: -2px;
  right: -2px;
  top: 2px;
  height: 4px;
  border: 1px solid #000;
  background: #d09038;
}

.tool-icon.star {
  clip-path: polygon(50% 0, 62% 34%, 99% 35%, 69% 56%, 80% 92%, 50% 70%, 20% 92%, 31% 56%, 1% 35%, 38% 34%);
  background: #f1d000;
  border: 1px solid #000;
}

.tool-icon.connect {
  border: 1px solid #000;
  background: #d8f0ff;
}

.tool-icon.connect::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 6px;
  width: 9px;
  height: 3px;
  border-top: 2px solid #000;
  border-bottom: 2px solid #000;
}

.tool-icon.connect::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 4px;
  width: 4px;
  height: 8px;
  border: 1px solid #000;
  background: #fff;
}

.search-box {
  min-width: 180px;
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.search-box input {
  width: min(260px, 30vw);
  height: 24px;
  padding: 2px 5px;
  background: white;
  border-top: 2px solid var(--dark);
  border-left: 2px solid var(--dark);
  border-right: 2px solid var(--light);
  border-bottom: 2px solid var(--light);
  outline: none;
}

.search-box input:focus {
  background: #fffde0;
}

.content {
  min-height: 0;
  padding: 4px;
  display: grid;
  grid-template-columns: 180px minmax(260px, 410px) minmax(320px, 1fr);
  gap: 4px;
}

.folders,
.message-list,
.reader {
  min-height: 0;
  background: var(--mid);
  border-top: 2px solid var(--dark);
  border-left: 2px solid var(--dark);
  border-right: 2px solid var(--light);
  border-bottom: 2px solid var(--light);
}

.folders {
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pane-title {
  padding: 3px 4px;
  margin-bottom: 3px;
  color: white;
  background: var(--blue);
  font-weight: 700;
}

.folder {
  width: 100%;
  height: 28px;
  padding: 2px 7px;
  display: grid;
  grid-template-columns: 18px 1fr auto;
  align-items: center;
  gap: 5px;
  text-align: left;
}

.folder.active {
  color: white;
  background: var(--blue);
}

.folder-icon {
  width: 15px;
  height: 12px;
  display: inline-block;
  border: 1px solid #000;
  background: #ffdf72;
  position: relative;
}

.folder-icon::before {
  content: "";
  position: absolute;
  left: 1px;
  top: -5px;
  width: 8px;
  height: 5px;
  border: 1px solid #000;
  border-bottom: 0;
  background: #ffdf72;
}

.folder-icon.trash {
  width: 12px;
  height: 14px;
  margin-left: 2px;
  background: #d8d8d8;
}

.folder-icon.trash::before {
  left: -2px;
  top: -4px;
  width: 14px;
  height: 3px;
  border: 1px solid #000;
  background: #d8d8d8;
}

.account-box {
  margin-top: auto;
  padding: 7px;
  display: grid;
  gap: 3px;
  background: #efefef;
  border-top: 2px solid var(--dark);
  border-left: 2px solid var(--dark);
  border-right: 2px solid var(--light);
  border-bottom: 2px solid var(--light);
}

.tiny-label,
.account-box small {
  color: #333;
}

.message-list {
  display: grid;
  grid-template-rows: 24px 1fr;
}

.list-header {
  display: grid;
  grid-template-columns: 96px 1fr 74px;
  align-items: center;
  background: var(--face);
  border-bottom: 1px solid var(--shadow);
}

.list-header span {
  height: 100%;
  padding: 5px 6px 3px;
  border-right: 1px solid var(--shadow);
  border-left: 1px solid var(--light);
  font-weight: 700;
}

.messages {
  overflow: auto;
  background: white;
}

.message-row {
  width: 100%;
  min-height: 38px;
  padding: 0;
  display: grid;
  grid-template-columns: 96px 1fr 74px;
  align-items: stretch;
  border: 0;
  border-bottom: 1px solid #d0d0d0;
  background: #fff;
  text-align: left;
}

.message-row:hover {
  background: #eef6ff;
}

.message-row.selected {
  color: #fff;
  background: var(--blue);
}

.message-row.unread {
  font-weight: 700;
}

.message-row span {
  min-width: 0;
  padding: 5px 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-right: 1px solid #e6e6e6;
}

.message-row .subject {
  display: grid;
  gap: 2px;
}

.message-row small {
  min-width: 0;
  color: inherit;
  font-weight: 400;
  opacity: .82;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reader {
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--paper);
}

.reader-head {
  padding: 10px 12px;
  background: #fffbea;
  border-bottom: 2px solid #b8b089;
}

.reader h1 {
  margin: 0 0 9px;
  font-family: "Courier New", monospace;
  font-size: 18px;
  line-height: 1.2;
}

.reader dl {
  margin: 0;
  display: grid;
  gap: 3px;
}

.reader dl div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 5px;
}

.reader dt {
  font-weight: 700;
}

.reader dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
}

.mail-body-wrap {
  min-height: 0;
  overflow: hidden;
}

.mail-body-wrap > * {
  height: 100%;
}

.mail-body {
  min-height: 0;
  overflow: auto;
  padding: 14px 16px 24px;
  font-family: "Courier New", monospace;
  font-size: 14px;
  line-height: 1.48;
  white-space: pre-wrap;
}

.mail-body-frame {
  width: 100%;
  border: 0;
  background: #fff;
}

.mail-body::selection,
.message-row.selected ::selection {
  color: #000;
  background: var(--focus);
}

.load-more {
  width: 100%;
  padding: 9px;
  border: 0;
  border-top: 1px solid #d0d0d0;
  background: #eee;
  color: var(--blue);
  font-weight: 700;
  cursor: pointer;
}

.load-more:hover {
  background: #dfefff;
}

.content.hide-folders {
  grid-template-columns: minmax(260px, 410px) minmax(320px, 1fr);
}

.content.hide-folders .folders {
  display: none;
}

.content.hide-reader {
  grid-template-columns: 180px 1fr;
}

.content.hide-reader .reader {
  display: none;
}

.window.maximized {
  position: fixed;
  inset: 0;
  z-index: 50;
  width: 100vw;
  height: 100vh;
}

.window.minimized {
  height: 22px;
  min-height: 22px;
  overflow: hidden;
}

.window.minimized .menubar,
.window.minimized .toolbar,
.window.minimized .content,
.window.minimized .statusbar {
  display: none;
}

.about-dialog {
  width: min(380px, calc(100vw - 24px));
  padding: 0;
  border: 0;
  background: transparent;
}

.about-dialog::backdrop {
  background: rgba(0, 0, 0, .28);
}

.about-body {
  padding: 14px;
  display: grid;
  gap: 6px;
}

.about-body p {
  margin: 0;
}

.closed-screen[hidden] {
  display: none;
}

.closed-screen {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 22px;
  background:
    linear-gradient(45deg, rgba(255,255,255,.07) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.07) 75%),
    linear-gradient(45deg, rgba(0,0,0,.05) 25%, transparent 25%, transparent 75%, rgba(0,0,0,.05) 75%),
    var(--desktop);
  background-position: 0 0, 4px 4px;
  background-size: 8px 8px;
}

.desktop-icon {
  width: 88px;
  padding: 6px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  border: 1px dotted transparent;
  background: transparent;
  cursor: default;
  -webkit-tap-highlight-color: transparent;
}

.desktop-icon:focus-visible,
.desktop-icon.selected {
  outline: none;
  border: 1px dotted #fff;
}

.desktop-icon-glyph {
  width: 32px;
  height: 28px;
  position: relative;
  background: #fff;
  border: 2px solid #000;
  box-shadow: 1px 1px 0 rgba(0,0,0,.4);
}

.desktop-icon-glyph::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  width: 20px;
  height: 12px;
  border-left: 2px solid #000;
  border-bottom: 2px solid #000;
  transform: skewY(-28deg);
}

.desktop-icon.selected .desktop-icon-glyph,
.desktop-icon:focus-visible .desktop-icon-glyph {
  filter: brightness(0.85) sepia(1) hue-rotate(185deg) saturate(4);
}

.desktop-icon-label {
  padding: 1px 5px;
  color: #fff;
  font-size: 11px;
  text-align: center;
  line-height: 1.25;
  text-shadow: 1px 1px 1px rgba(0,0,0,.7);
}

.desktop-icon.selected .desktop-icon-label,
.desktop-icon:focus-visible .desktop-icon-label {
  background: var(--blue);
  text-shadow: none;
  outline: 1px dotted #fff;
  outline-offset: -1px;
}

.statusbar {
  gap: 4px;
  padding: 2px 3px;
  border-top: 1px solid var(--light);
}

.statusbar span {
  height: 17px;
  padding: 2px 6px;
  display: flex;
  align-items: center;
  border-top: 1px solid var(--shadow);
  border-left: 1px solid var(--shadow);
  border-right: 1px solid var(--light);
  border-bottom: 1px solid var(--light);
}

.statusbar span:first-child {
  flex: 1;
}

.compose-dialog {
  width: min(560px, calc(100vw - 24px));
  padding: 0;
  border: 0;
  background: transparent;
}

.compose-dialog::backdrop {
  background: rgba(0, 0, 0, .28);
}

.compose-window {
  display: grid;
  grid-template-rows: 22px 1fr auto;
  background: var(--face);
  border-top: 2px solid var(--light);
  border-left: 2px solid var(--light);
  border-right: 2px solid var(--dark);
  border-bottom: 2px solid var(--dark);
  box-shadow: 2px 2px 0 rgba(0,0,0,.45);
}

.compose-fields {
  padding: 8px;
  display: grid;
  gap: 7px;
}

.compose-fields label {
  display: grid;
  grid-template-columns: 58px 1fr;
  align-items: center;
  gap: 6px;
}

.compose-fields input,
.compose-fields textarea {
  min-width: 0;
  padding: 4px 5px;
  background: white;
  border-top: 2px solid var(--dark);
  border-left: 2px solid var(--dark);
  border-right: 2px solid var(--light);
  border-bottom: 2px solid var(--light);
  outline: none;
}

.compose-fields textarea {
  min-height: 210px;
  resize: vertical;
  font-family: "Courier New", monospace;
}

.compose-body-label {
  align-items: start;
}

.compose-actions {
  padding: 8px;
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  border-top: 1px solid var(--shadow);
}

.compose-actions button {
  min-width: 82px;
  height: 28px;
  border-top: 2px solid var(--light);
  border-left: 2px solid var(--light);
  border-right: 2px solid var(--dark);
  border-bottom: 2px solid var(--dark);
  background: var(--face);
}

@media (max-width: 920px) {
  .window {
    height: auto;
    min-height: calc(100vh - 20px);
  }

  .content {
    grid-template-columns: 150px 1fr;
    grid-template-rows: 310px minmax(320px, 1fr);
  }

  .reader {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .desktop {
    padding: 0;
    place-items: stretch;
  }

  .window {
    width: 100%;
    min-height: 100vh;
    height: auto;
    border: 0;
    box-shadow: none;
  }

  .toolbar {
    flex-wrap: wrap;
    align-content: start;
    min-height: 80px;
  }

  .tool {
    min-width: 64px;
  }

  .search-box {
    width: 100%;
    margin-left: 0;
  }

  .search-box input {
    width: 100%;
  }

  .content {
    grid-template-columns: 1fr;
    grid-template-rows: auto 300px minmax(360px, 1fr);
  }

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

  .pane-title,
  .account-box {
    grid-column: 1 / -1;
  }

  .message-list,
  .reader {
    grid-column: auto;
  }

  .list-header,
  .message-row {
    grid-template-columns: 84px 1fr 62px;
  }

  .statusbar span:nth-child(2) {
    display: none;
  }
}