:root {
  color-scheme: light;
  --teal: #008080;
  --desktop-shadow: #006666;
  --chrome: #c0c0c0;
  --chrome-light: #ffffff;
  --chrome-mid: #dfdfdf;
  --chrome-dark: #808080;
  --chrome-black: #000000;
  --blue: #000080;
  --blue-bright: #1084d0;
  --text: #111111;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  font-family: Tahoma, Verdana, Segoe UI, sans-serif;
  color: var(--text);
  overflow: hidden;
}

button,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.desktop {
  position: relative;
  min-height: 100vh;
  padding: 34px;
  background:
    radial-gradient(circle at 22% 24%, rgba(255, 255, 255, 0.18) 0 1px, transparent 2px),
    radial-gradient(circle at 78% 14%, rgba(255, 255, 255, 0.14) 0 1px, transparent 2px),
    linear-gradient(135deg, var(--teal), var(--desktop-shadow));
  background-size: 90px 90px, 130px 130px, auto;
}

.selection-box {
  position: absolute;
  z-index: 1;
  display: none;
  border: 1px dotted #ffffff;
  background: rgba(0, 0, 128, 0.18);
  pointer-events: none;
}

.selection-box.is-visible {
  display: block;
}

.window {
  position: absolute;
  top: clamp(118px, 16vh, 150px);
  left: 50%;
  width: min(680px, calc(100vw - 68px));
  min-height: 250px;
  margin: 0;
  background: var(--chrome);
  border: 2px solid;
  border-color: var(--chrome-light) var(--chrome-black) var(--chrome-black) var(--chrome-light);
  box-shadow: 1px 1px 0 var(--chrome-dark), 18px 18px 0 rgba(0, 0, 0, 0.14);
  transform: translateX(-50%);
  z-index: 2;
  touch-action: none;
  container-type: inline-size;
}

.notepad-window {
  top: 84px;
  left: 180px;
  width: min(680px, calc(100vw - 68px));
  height: 430px;
  min-height: 320px;
  transform: none;
}

.email-window {
  top: 130px;
  left: 230px;
  width: min(440px, calc(100vw - 68px));
  height: 320px;
  min-height: 300px;
  transform: none;
}

.minesweeper-window {
  top: 110px;
  left: 310px;
  width: 330px;
  height: 420px;
  min-height: 380px;
}

.window.is-minimized,
.window.is-closed,
.taskbar-tab.is-hidden {
  display: none;
}

.window.is-maximized {
  top: 4px;
  left: 4px;
  width: calc(100vw - 8px);
  height: calc(100vh - 46px);
  transform: none;
  box-shadow: none;
}

.window.is-dragging {
  cursor: move;
  user-select: none;
}

.window.is-resizing {
  user-select: none;
}

.title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 26px;
  padding: 3px 4px;
  color: white;
  font-weight: 700;
  background: linear-gradient(90deg, var(--blue), var(--blue-bright));
  cursor: move;
  user-select: none;
}

.title-left,
.window-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.mini-icon {
  width: 14px;
  height: 14px;
  display: inline-block;
  background:
    linear-gradient(90deg, #e24a4a 0 50%, #1c8f4a 50% 100%),
    linear-gradient(#f5df52 0 50%, #2d70d6 50% 100%);
  background-blend-mode: multiply;
  border: 1px solid white;
}

.control-button {
  position: relative;
  width: 18px;
  height: 16px;
  display: inline-block;
  padding: 0;
  background: var(--chrome);
  border: 2px solid;
  border-color: var(--chrome-light) var(--chrome-black) var(--chrome-black) var(--chrome-light);
  cursor: pointer;
}

.control-button:active {
  border-color: var(--chrome-black) var(--chrome-light) var(--chrome-light) var(--chrome-black);
}

.minimize-button::before {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 3px;
  height: 2px;
  background: black;
}

.maximize-button::before {
  content: "";
  position: absolute;
  inset: 3px;
  border: 2px solid black;
  border-top-width: 3px;
}

.close-button::before,
.close-button::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 7px;
  width: 2px;
  height: 10px;
  background: black;
}

.close-button::before {
  transform: rotate(45deg);
}

.close-button::after {
  transform: rotate(-45deg);
}

.window-body {
  display: grid;
  grid-template-columns: minmax(0, 160px) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: clamp(22px, 4vw, 42px);
  border-top: 2px solid var(--chrome-light);
  overflow: auto;
}

.window-body > div {
  min-width: 0;
}

.window.is-maximized .window-body {
  min-height: calc(100% - 28px);
}

.resize-handle {
  position: absolute;
  z-index: 3;
}

.window.is-maximized .resize-handle {
  display: none;
}

.resize-n,
.resize-s {
  left: 8px;
  right: 8px;
  height: 7px;
  cursor: ns-resize;
}

.resize-n {
  top: -4px;
}

.resize-s {
  bottom: -4px;
}

.resize-e,
.resize-w {
  top: 8px;
  bottom: 8px;
  width: 7px;
  cursor: ew-resize;
}

.resize-e {
  right: -4px;
}

.resize-w {
  left: -4px;
}

.resize-ne,
.resize-se,
.resize-sw,
.resize-nw {
  width: 12px;
  height: 12px;
}

.resize-ne {
  top: -5px;
  right: -5px;
  cursor: nesw-resize;
}

.resize-se {
  right: -5px;
  bottom: -5px;
  cursor: nwse-resize;
}

.resize-sw {
  bottom: -5px;
  left: -5px;
  cursor: nesw-resize;
}

.resize-nw {
  top: -5px;
  left: -5px;
  cursor: nwse-resize;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(1.75rem, 5vw, 3.5rem);
  line-height: 1;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

p {
  max-width: min(32rem, 100%);
  margin: 0;
  font-size: 1rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.monitor {
  display: grid;
  justify-items: center;
}

.screen {
  position: relative;
  width: 144px;
  height: 108px;
  overflow: hidden;
  background: #061b26;
  border: 10px solid #d8d8d8;
  box-shadow:
    inset 2px 2px 0 rgba(255, 255, 255, 0.25),
    inset -2px -2px 0 rgba(0, 0, 0, 0.65),
    0 0 0 2px #404040;
}

.screen::before {
  content: "";
  position: absolute;
  inset: 13px 18px;
  border: 2px solid #31f0c8;
  animation: pulse 2.5s ease-in-out infinite;
}

.scanline {
  position: absolute;
  left: 0;
  right: 0;
  top: -10px;
  height: 8px;
  background: rgba(49, 240, 200, 0.4);
  animation: scan 2.9s linear infinite;
}

.spark {
  position: absolute;
  width: 6px;
  height: 6px;
  background: #fff17a;
  box-shadow: 0 0 12px #fff17a;
}

.spark-one {
  left: 25px;
  top: 28px;
  animation: blink 1.6s steps(2, end) infinite;
}

.spark-two {
  right: 30px;
  top: 45px;
  animation: blink 2.1s steps(2, end) infinite reverse;
}

.spark-three {
  left: 68px;
  bottom: 22px;
  animation: blink 1.3s steps(2, end) infinite;
}

.stand {
  width: 70px;
  height: 35px;
  background:
    linear-gradient(90deg, transparent 0 20px, #b8b8b8 20px 50px, transparent 50px),
    linear-gradient(#d8d8d8 0 18px, #777 18px 22px, transparent 22px);
}

.desktop-icon {
  position: absolute;
  display: grid;
  justify-items: center;
  gap: 7px;
  width: 86px;
  padding: 7px 5px;
  color: white;
  text-align: center;
  text-decoration: none;
  text-shadow: 1px 1px 0 black;
  outline: 0;
  border: 0;
  background: transparent;
  cursor: default;
  touch-action: none;
  user-select: none;
}

.desktop-icon:hover,
.desktop-icon:focus-visible,
.desktop-icon.is-dragging,
.desktop-icon.is-selected {
  background: rgba(0, 0, 128, 0.42);
  outline: 1px dotted white;
}

.document-icon {
  position: relative;
  width: 42px;
  height: 50px;
  background: #f7f7f7;
  border: 2px solid #2a2a2a;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.28);
}

.document-icon::before {
  content: "";
  position: absolute;
  top: -2px;
  right: -2px;
  border-top: 14px solid #b7d6ff;
  border-left: 14px solid transparent;
}

.document-icon span,
.document-icon span::before,
.document-icon span::after {
  position: absolute;
  left: 7px;
  right: 8px;
  height: 3px;
  background: #335c9d;
  content: "";
}

.document-icon span {
  top: 22px;
}

.document-icon span::before {
  top: 8px;
  left: 0;
  right: 0;
}

.document-icon span::after {
  top: 16px;
  left: 0;
  right: 8px;
}

.notepad-icon {
  position: relative;
  width: 46px;
  height: 50px;
  background:
    repeating-linear-gradient(#ffffff 0 7px, #d7e7ff 7px 9px),
    #ffffff;
  border: 2px solid #2a2a2a;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.28);
}

.notepad-icon::before {
  content: "";
  position: absolute;
  left: 5px;
  right: 5px;
  top: 5px;
  height: 5px;
  background: #244a99;
}

.notepad-icon span,
.notepad-icon span::before,
.notepad-icon span::after {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background: #111111;
  content: "";
}

.notepad-icon span {
  top: 20px;
}

.notepad-icon span::before {
  top: 8px;
  left: 0;
  right: 0;
}

.notepad-icon span::after {
  top: 16px;
  left: 0;
  right: 12px;
}

.notepad-mini-icon {
  width: 14px;
  height: 14px;
  display: inline-block;
  background:
    linear-gradient(#2d70d6 0 4px, transparent 4px),
    repeating-linear-gradient(#ffffff 0 3px, #b7d6ff 3px 4px);
  border: 1px solid white;
}

.notepad-menu {
  display: flex;
  gap: 18px;
  padding: 4px 8px;
  background: var(--chrome);
  border-top: 2px solid var(--chrome-light);
  border-bottom: 1px solid var(--chrome-dark);
  font-size: 0.9rem;
}

.notepad-page {
  height: calc(100% - 52px);
  min-height: 250px;
  margin: 0;
  padding: 14px;
  overflow: auto;
  background: white;
  border: 2px solid;
  border-color: var(--chrome-dark) var(--chrome-light) var(--chrome-light) var(--chrome-dark);
  font-family: "Courier New", monospace;
  line-height: 1.45;
}

.notepad-page h2 {
  margin: 0 0 12px;
  font-size: 1rem;
  letter-spacing: 0;
}

.notepad-page p {
  max-width: none;
  font-size: 0.95rem;
}

.mail-icon {
  position: relative;
  width: 48px;
  height: 36px;
  margin-top: 7px;
  background: #f7f7f7;
  border: 2px solid #2a2a2a;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.28);
}

.mail-icon::before,
.mail-icon::after,
.mail-icon span {
  content: "";
  position: absolute;
  background: #335c9d;
  height: 2px;
  transform-origin: left center;
}

.mail-icon::before {
  left: 2px;
  top: 3px;
  width: 28px;
  transform: rotate(34deg);
}

.mail-icon::after {
  right: 2px;
  top: 3px;
  width: 28px;
  transform: rotate(146deg);
}

.mail-icon span {
  left: 6px;
  bottom: 8px;
  width: 32px;
  transform: rotate(-28deg);
}

.mail-mini-icon,
.game-mini-icon {
  width: 14px;
  height: 14px;
  display: inline-block;
  border: 1px solid white;
}

.computer-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 52px;
  height: 48px;
}

.computer-icon::before {
  content: "";
  width: 46px;
  height: 34px;
  background: #d8d8d8;
  border: 2px solid #2a2a2a;
  box-shadow:
    inset 3px 3px 0 #ffffff,
    inset -3px -3px 0 #777777,
    3px 3px 0 rgba(0, 0, 0, 0.28);
}

.computer-icon span {
  position: absolute;
  top: 8px;
  width: 28px;
  height: 18px;
  background: #061b26;
  border: 2px solid #606060;
}

.computer-icon::after {
  content: "";
  position: absolute;
  bottom: 0;
  width: 34px;
  height: 10px;
  background:
    linear-gradient(90deg, transparent 0 10px, #b8b8b8 10px 24px, transparent 24px),
    linear-gradient(#d8d8d8 0 6px, #777 6px 8px, transparent 8px);
}

.mail-mini-icon {
  background:
    linear-gradient(35deg, transparent 45%, #244a99 47% 53%, transparent 55%),
    linear-gradient(145deg, transparent 45%, #244a99 47% 53%, transparent 55%),
    #ffffff;
}

.game-mini-icon {
  background:
    radial-gradient(circle at 70% 34%, #fff17a 0 3px, transparent 4px),
    linear-gradient(135deg, #2d70d6 0 50%, #e23a3a 50%);
}

.email-program {
  display: grid;
  gap: 10px;
  height: calc(100% - 28px);
  padding: 16px;
  border-top: 2px solid var(--chrome-light);
}

.email-program h2,
.minesweeper-game h2 {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.email-program label {
  font-weight: 700;
}

.email-program textarea {
  min-height: 120px;
  resize: none;
  padding: 8px;
  background: white;
  border: 2px solid;
  border-color: var(--chrome-dark) var(--chrome-light) var(--chrome-light) var(--chrome-dark);
}

.email-program button,
.mine-status button {
  justify-self: start;
  min-height: 30px;
  padding: 0 12px;
  cursor: pointer;
  background: var(--chrome);
  border: 2px solid;
  border-color: var(--chrome-light) var(--chrome-black) var(--chrome-black) var(--chrome-light);
}

.email-program button:active,
.mine-status button:active,
.start-menu-content button:active {
  border-color: var(--chrome-black) var(--chrome-light) var(--chrome-light) var(--chrome-black);
}

.minesweeper-game {
  display: grid;
  gap: 10px;
  justify-content: center;
  padding: 14px;
  border-top: 2px solid var(--chrome-light);
}

.mine-status {
  display: grid;
  grid-template-columns: 72px 1fr 72px;
  align-items: center;
  gap: 12px;
  padding: 7px;
  background: var(--chrome);
  border: 2px solid;
  border-color: var(--chrome-dark) var(--chrome-light) var(--chrome-light) var(--chrome-dark);
}

.mine-status span {
  padding: 3px 6px;
  color: #ff2020;
  background: #111111;
  font-family: "Courier New", monospace;
  font-weight: 700;
  text-align: center;
}

.mine-status button {
  justify-self: center;
  min-width: 34px;
  padding: 0;
  font-weight: 700;
}

.mine-grid {
  display: grid;
  grid-template-columns: repeat(9, 28px);
  grid-auto-rows: 28px;
  gap: 0;
  padding: 6px;
  background: var(--chrome);
  border: 2px solid;
  border-color: var(--chrome-dark) var(--chrome-light) var(--chrome-light) var(--chrome-dark);
}

.mine-cell {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: var(--chrome);
  border: 2px solid;
  border-color: var(--chrome-light) var(--chrome-black) var(--chrome-black) var(--chrome-light);
  font-family: Arial, sans-serif;
  font-weight: 700;
  cursor: pointer;
}

.mine-cell.is-open {
  background: #d2d2d2;
  border: 1px solid #8a8a8a;
  cursor: default;
}

.mine-cell.is-flagged {
  color: #d30000;
}

.taskbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 3px 5px;
  background: var(--chrome);
  border-top: 2px solid var(--chrome-light);
  box-shadow: inset 0 1px 0 var(--chrome-mid);
}

.start-button,
.taskbar-tab,
.tray,
.start-menu-content button {
  background: var(--chrome);
  border: 2px solid;
  border-color: var(--chrome-light) var(--chrome-black) var(--chrome-black) var(--chrome-light);
}

.start-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 10px 0 7px;
  font-weight: 700;
  cursor: pointer;
}

.start-button[aria-expanded="true"],
.start-button:active,
.start-menu-content button:active {
  border-color: var(--chrome-black) var(--chrome-light) var(--chrome-light) var(--chrome-black);
}

.windows-mark {
  display: grid;
  grid-template-columns: repeat(2, 8px);
  grid-template-rows: repeat(2, 8px);
  gap: 1px;
  transform: skew(-8deg);
}

.windows-mark span:nth-child(1) {
  background: #e23a3a;
}

.windows-mark span:nth-child(2) {
  background: #24a048;
}

.windows-mark span:nth-child(3) {
  background: #2f6edc;
}

.windows-mark span:nth-child(4) {
  background: #f3c324;
}

.taskbar-divider {
  width: 1px;
  height: 26px;
  background: var(--chrome-dark);
  border-right: 1px solid white;
}

.taskbar-tab {
  min-width: min(210px, 28vw);
  height: 28px;
  padding: 0 10px;
  text-align: left;
  box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.4);
}

.tray {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 28px;
  margin-left: auto;
  padding: 0 10px;
  border-color: var(--chrome-dark) var(--chrome-light) var(--chrome-light) var(--chrome-dark);
}

.tray-light {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #29b34a;
  box-shadow: 0 0 5px #29b34a;
}

.start-menu {
  position: fixed;
  left: 4px;
  bottom: 38px;
  z-index: 4;
  display: grid;
  grid-template-columns: 34px minmax(220px, 320px);
  min-height: 228px;
  background: var(--chrome);
  border: 2px solid;
  border-color: var(--chrome-light) var(--chrome-black) var(--chrome-black) var(--chrome-light);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.2);
  transform: translateY(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease, transform 120ms ease;
}

.start-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.start-menu-rail {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 9px 0;
  color: white;
  font-weight: 700;
  letter-spacing: 0;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  background: linear-gradient(180deg, #00004f, #1084d0);
}

.start-menu-content {
  display: grid;
  align-content: start;
  gap: 6px;
  padding: 10px;
}

.start-menu-content p {
  margin: 0 0 4px;
  font-weight: 700;
}

.start-menu-content button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 34px;
  padding: 0 8px;
  text-align: left;
  cursor: pointer;
}

.program-icon {
  flex: 0 0 auto;
}

@keyframes scan {
  to {
    transform: translateY(118px);
  }
}

@keyframes pulse {
  50% {
    opacity: 0.45;
    transform: scale(0.96);
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@container (max-width: 500px) {
  .window-body {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 16px;
  }

  .monitor {
    transform: scale(0.82);
    transform-origin: left center;
    height: 118px;
  }

  h1 {
    font-size: 1.55rem;
    line-height: 1.08;
  }
}

@container (max-width: 380px) {
  .window-body {
    padding: 12px;
  }

  .monitor {
    display: none;
  }

  h1 {
    font-size: 1.25rem;
  }

  p {
    font-size: 0.92rem;
  }
}

@media (max-width: 640px) {
  .desktop {
    padding: 22px;
  }

  .window {
    width: calc(100vw - 44px);
    top: 118px;
  }

  .window-body {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 18px;
  }

  .desktop-icon {
    width: 82px;
  }

  .taskbar-tab {
    display: none;
  }

  .start-menu {
    grid-template-columns: 28px minmax(0, calc(100vw - 42px));
    right: 4px;
  }
}