:root {
  --panel: #c7c3d1;
  --panel-dark: #8b87a0;
  --panel-light: #efeef5;
  --panel-shadow: #4f4b63;
  --accent-cyan: #7be9ff;
  --accent-purple: #e2ff1d;
  --accent-yellow: #ffd23f;
  --accent-green: #3ddc84;
  --accent-red: #ff4d6d;
  --title-grad-a: #6b7a00;
  --title-grad-b: #e2ff1d;
  --title-text: #12140a;
  --text-dark: #1c1530;
  font-family: "Press Start 2P", "Courier New", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  color: var(--text-dark);
  -webkit-font-smoothing: none;
}

body {
  font-family: ui-monospace, "Courier New", monospace;
  font-size: 13px;
}

#desktop {
  position: fixed;
  inset: 0;
  background-color: #e2ff1d;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  user-select: none;
}

.scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0,0,0,0.08),
    rgba(0,0,0,0.08) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
  z-index: 5000;
}

/* ---------------------------------------------------------------- icons */

#icons {
  position: absolute;
  top: 16px;
  left: 16px;
  bottom: 56px;
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(6, 88px);
  gap: 4px 8px;
  z-index: 10;
}

.desktop-icon {
  width: 84px;
  height: 84px;
  background: transparent;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 6px 2px;
  cursor: pointer;
  border-radius: 4px;
}

.desktop-icon img {
  width: 40px;
  height: 40px;
  image-rendering: pixelated;
  filter: drop-shadow(0 2px 2px rgba(0,0,0,0.6));
}

.desktop-icon span {
  color: #fff;
  font-size: 10px;
  line-height: 1.3;
  text-align: center;
  background: rgba(10, 8, 4, 0.55);
  padding: 1px 4px;
  border-radius: 2px;
  word-break: break-word;
}

.desktop-icon.selected {
  background: rgba(123, 233, 255, 0.18);
  outline: 1px dashed rgba(255,255,255,0.6);
}

.desktop-icon.selected span {
  background: #2255cc;
}

/* ---------------------------------------------------------------- windows */

.win {
  position: absolute;
  min-width: 240px;
  min-height: 160px;
  max-width: calc(100vw - 12px);
  max-height: calc(100vh - 60px);
  background: var(--panel);
  border: 2px solid var(--panel-light);
  border-right-color: var(--panel-shadow);
  border-bottom-color: var(--panel-shadow);
  box-shadow: 3px 3px 0 rgba(0,0,0,0.5), 0 10px 30px rgba(0,0,0,0.45);
  display: flex;
  flex-direction: column;
  z-index: 100;
  resize: both;
  overflow: hidden;
}

.win.focused {
  box-shadow: 3px 3px 0 rgba(0,0,0,0.5), 0 12px 40px rgba(226,255,29,0.35);
}

.win-titlebar {
  background: linear-gradient(90deg, var(--title-grad-a), var(--title-grad-b));
  color: var(--title-text);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 4px 4px 6px;
  cursor: grab;
  flex: 0 0 auto;
}

.win:not(.focused) .win-titlebar {
  background: linear-gradient(90deg, #4a4a5c, #6a6a7c);
  color: #fff;
}

.win-titlebar img {
  width: 16px;
  height: 16px;
  image-rendering: pixelated;
}

.win-titlebar .win-title {
  flex: 1;
  font-family: "Press Start 2P", monospace;
  font-size: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 1px 0 rgba(255,255,255,0.3);
}

.win:not(.focused) .win-titlebar .win-title {
  text-shadow: 1px 1px 0 rgba(0,0,0,0.5);
}

.win-btn {
  width: 20px;
  height: 18px;
  background: var(--panel);
  border: 1px solid var(--panel-light);
  border-right-color: var(--panel-shadow);
  border-bottom-color: var(--panel-shadow);
  font-family: monospace;
  font-weight: bold;
  font-size: 11px;
  cursor: pointer;
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.win-btn:active {
  border-color: var(--panel-shadow) var(--panel-light) var(--panel-light) var(--panel-shadow);
}

.win-btn.close { color: #7a0010; }

.win-body {
  flex: 1;
  overflow: auto;
  background: var(--panel-light);
  padding: 12px;
}

.win-body::-webkit-scrollbar { width: 14px; }
.win-body::-webkit-scrollbar-track { background: var(--panel); }
.win-body::-webkit-scrollbar-thumb { background: var(--panel-dark); border: 2px solid var(--panel); }

.win.minimized { display: none; }

/* generic content helpers used inside windows */

.app h2 {
  font-family: "Press Start 2P", monospace;
  font-size: 12px;
  margin: 0 0 12px;
  color: #3a2a6c;
}

.app p { line-height: 1.6; margin: 0 0 10px; }

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 12px 0;
}

.stat-box {
  background: #fff;
  border: 2px solid var(--panel-shadow);
  border-top-color: var(--panel-light);
  border-left-color: var(--panel-light);
  padding: 8px;
}

.stat-box .label { font-size: 10px; color: #666; text-transform: uppercase; }
.stat-box .value { font-size: 16px; font-weight: bold; color: #2a1750; margin-top: 4px; }

.retro-btn {
  font-family: "Press Start 2P", monospace;
  font-size: 10px;
  padding: 10px 14px;
  background: var(--panel);
  border: 2px solid var(--panel-light);
  border-right-color: var(--panel-shadow);
  border-bottom-color: var(--panel-shadow);
  cursor: pointer;
  color: #000;
}

.retro-btn:active {
  border-color: var(--panel-shadow) var(--panel-light) var(--panel-light) var(--panel-shadow);
}

.retro-btn.primary {
  background: var(--accent-yellow);
}

.retro-btn:disabled {
  color: #888;
  cursor: not-allowed;
  opacity: 0.7;
}

.mono-box {
  background: #0d0716;
  color: var(--accent-green);
  font-family: ui-monospace, monospace;
  padding: 10px;
  border: 2px inset #444;
  word-break: break-all;
  font-size: 12px;
}

.disclaimer {
  font-size: 10px;
  color: #777;
  margin-top: 14px;
  border-top: 1px dashed #aaa;
  padding-top: 8px;
}

.folder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 12px;
}

.folder-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  font-size: 10px;
}

.folder-thumb {
  width: 72px;
  height: 56px;
  border: 2px solid #999;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  background: linear-gradient(135deg, #14150a, #3a4008);
  overflow: hidden;
}

.folder-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.folder-item.clickable { cursor: pointer; }
.folder-item.clickable:hover .folder-thumb { outline: 2px dashed var(--accent-purple); }

.image-viewer {
  height: 100%;
  margin: -12px;
  padding: 12px;
  background: #0d0716;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-viewer img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.chat-thread {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}

.chat-msg {
  max-width: 80%;
  padding: 8px 10px;
  border: 2px solid var(--panel-shadow);
  border-top-color: var(--panel-light);
  border-left-color: var(--panel-light);
  background: #fff;
  font-size: 12px;
  line-height: 1.4;
}

.chat-msg.them { align-self: flex-start; background: #f4ffcf; }
.chat-msg.me { align-self: flex-end; background: #d6f5ff; }
.chat-msg .who { font-size: 9px; color: #777; margin-bottom: 4px; display: block; }

.chat-username-gate {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.chat-username-gate input {
  width: 100%;
  font-family: ui-monospace, monospace;
  font-size: 13px;
  padding: 8px;
  border: 2px solid var(--panel-shadow);
  border-top-color: var(--panel-light);
  border-left-color: var(--panel-light);
}

.chat-input-row {
  display: flex;
  gap: 6px;
}

.chat-input-row input {
  flex: 1;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  padding: 8px;
  border: 2px solid var(--panel-shadow);
  border-top-color: var(--panel-light);
  border-left-color: var(--panel-light);
}

.chat-status {
  font-size: 10px;
  color: #777;
  margin-top: 6px;
}

.roadmap-list { list-style: none; padding: 0; margin: 0; }
.roadmap-list li {
  padding: 8px 10px 8px 30px;
  position: relative;
  border-bottom: 1px dashed #bbb;
  line-height: 1.5;
}
.roadmap-list li.done::before { content: "\2705"; position: absolute; left: 4px; }
.roadmap-list li.pending::before { content: "\23F3"; position: absolute; left: 4px; }
.roadmap-list li.soon::before { content: "\1F51C"; position: absolute; left: 4px; }
.roadmap-list li.mystery::before { content: "\2753"; position: absolute; left: 4px; }

.drive-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-bottom: 1px solid #ccc;
}
.drive-row img { width: 28px; height: 28px; image-rendering: pixelated; }
.drive-row .name { font-weight: bold; }
.drive-row .meta { font-size: 10px; color: #666; }

.error-dialog {
  text-align: center;
  padding-top: 10px;
}
.error-dialog .err-icon { font-size: 32px; display: block; margin-bottom: 10px; }
.error-dialog p { font-size: 13px; }

.game-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.game-wrap canvas {
  image-rendering: pixelated;
  border: 2px solid var(--panel-shadow);
  background: #0d0716;
  max-width: 100%;
}
.game-score {
  font-family: "Press Start 2P", monospace;
  font-size: 11px;
}
.game-hint { font-size: 10px; color: #666; }

.status-bar {
  border-top: 2px solid var(--panel-dark);
  padding: 4px 8px;
  font-size: 10px;
  color: #555;
  background: var(--panel);
}

/* ---------------------------------------------------------------- start menu */

#start-menu {
  position: absolute;
  left: 4px;
  bottom: 44px;
  width: 300px;
  background: var(--panel);
  border: 2px solid var(--panel-light);
  border-right-color: var(--panel-shadow);
  border-bottom-color: var(--panel-shadow);
  box-shadow: 3px 3px 0 rgba(0,0,0,0.5);
  display: flex;
  z-index: 900;
}

#start-menu.hidden { display: none; }

.start-menu-rail {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  background: linear-gradient(180deg, var(--title-grad-a), var(--title-grad-b));
  color: var(--title-text);
  font-family: "Press Start 2P", monospace;
  font-size: 13px;
  letter-spacing: 2px;
  padding: 12px 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.start-menu-items {
  flex: 1;
  padding: 6px;
  display: flex;
  flex-direction: column;
}

.start-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: 12px;
  color: #1c1530;
}

.start-item img { width: 22px; height: 22px; image-rendering: pixelated; }

.start-item:hover { background: var(--accent-purple); color: var(--title-text); }

.start-sep {
  height: 2px;
  margin: 6px 4px;
  background: var(--panel-shadow);
  border-bottom: 1px solid var(--panel-light);
}

/* ---------------------------------------------------------------- taskbar */

#taskbar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 40px;
  background: linear-gradient(180deg, #d6d3de, #a9a5b8);
  border-top: 2px solid #efeef5;
  display: flex;
  align-items: center;
  padding: 0 4px;
  gap: 6px;
  z-index: 1000;
}

#start-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 10px;
  background: var(--panel);
  border: 2px solid var(--panel-light);
  border-right-color: var(--panel-shadow);
  border-bottom-color: var(--panel-shadow);
  cursor: pointer;
  font-family: "Press Start 2P", monospace;
  font-size: 11px;
  color: #1c1530;
}

#start-btn.active,
#start-btn:active {
  border-color: var(--panel-shadow) var(--panel-light) var(--panel-light) var(--panel-shadow);
}

#start-btn img { width: 18px; height: 18px; image-rendering: pixelated; }

#task-list {
  flex: 1;
  display: flex;
  gap: 4px;
  height: 30px;
  overflow: hidden;
}

.task-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  height: 30px;
  max-width: 180px;
  background: var(--panel);
  border: 2px solid var(--panel-light);
  border-right-color: var(--panel-shadow);
  border-bottom-color: var(--panel-shadow);
  font-size: 10px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #1c1530;
}

.task-btn img { width: 16px; height: 16px; image-rendering: pixelated; flex: 0 0 auto; }

.task-btn.active-task {
  border-color: var(--panel-shadow) var(--panel-light) var(--panel-light) var(--panel-shadow);
  background: #b9b6c8;
}

#tray {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 30px;
}

#x-link {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1c1530;
  border: 2px solid var(--panel-light);
  border-right-color: var(--panel-shadow);
  border-bottom-color: var(--panel-shadow);
}

#x-link img { width: 14px; height: 14px; }

#trade-btn {
  height: 30px;
  padding: 0 12px;
  background: var(--accent-yellow);
  border: 2px solid #fff3c4;
  border-right-color: #a8791b;
  border-bottom-color: #a8791b;
  font-family: "Press Start 2P", monospace;
  font-size: 10px;
  color: #3a2500;
  cursor: pointer;
}

#trade-btn:active {
  border-color: #a8791b #fff3c4 #fff3c4 #a8791b;
}

#sound-btn {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--panel);
  border: 2px solid var(--panel-light);
  border-right-color: var(--panel-shadow);
  border-bottom-color: var(--panel-shadow);
  cursor: pointer;
}

#sound-btn img { width: 16px; height: 16px; image-rendering: pixelated; }

#clock {
  font-family: "Press Start 2P", monospace;
  font-size: 10px;
  padding: 0 10px;
  color: #1c1530;
  min-width: 70px;
  text-align: center;
}

/* ---------------------------------------------------------------- shutdown */

#shutdown-overlay {
  position: absolute;
  inset: 0;
  background: #000;
  color: #fff;
  z-index: 5000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-family: "Press Start 2P", monospace;
  font-size: 13px;
  text-align: center;
  padding: 20px;
}

#shutdown-overlay.hidden { display: none; }

#shutdown-overlay.hidden + .scanlines {}

#turn-on-btn.hidden { display: none; }

#turn-on-btn {
  font-family: "Press Start 2P", monospace;
  padding: 10px 16px;
  background: var(--accent-yellow);
  border: 3px solid #fff;
  cursor: pointer;
}

@media (max-width: 720px) {
  #icons {
    grid-template-rows: repeat(5, 78px);
  }
  .win { min-width: 90vw; }
  #trade-btn span, #start-btn span { display: none; }
}