/* Y2K Core Variables (Hot Pink & Baby Pink Palette) */
:root {
  --hot-pink: #ff1493;
  --hot-pink-light: #ff69b4;
  --baby-pink: #ffd1dc;
  --bg-window: #fff0f5;
  --win-text: #2C2D2A;
  
  --border-light: #ffffff;
  --border-dark: #d2a4b0; /* darker baby pink for 3D shadow */
  --border-darker: #a07a85;

  --taskbar-bg: #ffd1dc;
  
  --titlebar-bg: linear-gradient(90deg, #ff1493, #ff69b4);
  --titlebar-text: #ffffff;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--win-text);
  overflow: hidden; /* OS desktop metaphor */
  /* Pink/White Checkerboard Background */
  background-color: #ffffff;
  background-image: 
    linear-gradient(45deg, var(--baby-pink) 25%, transparent 25%), 
    linear-gradient(-45deg, var(--baby-pink) 25%, transparent 25%), 
    linear-gradient(45deg, transparent 75%, var(--baby-pink) 75%), 
    linear-gradient(-45deg, transparent 75%, var(--baby-pink) 75%);
  background-size: 40px 40px;
  background-position: 0 0, 0 20px, 20px -20px, -20px 0px;
  height: 100vh;
  width: 100vw;
}

/* Base UI classes */
.win-btn {
  font-family: 'VT323', monospace;
  font-size: 1.2rem;
  background: var(--bg-window);
  border: 2px solid;
  border-top-color: var(--border-light);
  border-left-color: var(--border-light);
  border-right-color: var(--border-dark);
  border-bottom-color: var(--border-dark);
  color: var(--win-text);
  padding: 4px 12px;
  cursor: pointer;
  box-shadow: inset 1px 1px 0px var(--border-light), inset -1px -1px 0px var(--border-darker);
}

.win-btn:active {
  border-top-color: var(--border-dark);
  border-left-color: var(--border-dark);
  border-right-color: var(--border-light);
  border-bottom-color: var(--border-light);
  box-shadow: inset 1px 1px 0px var(--border-darker);
  padding-top: 5px;
  padding-bottom: 3px;
}

.win-hr {
  border: none;
  border-top: 2px solid var(--border-dark);
  border-bottom: 2px solid var(--border-light);
  margin: 1rem 0;
}

.hidden {
  display: none !important;
}

/* ── Startup Screen ── */
#startup {
  position: fixed;
  inset: 0;
  background: black;
  color: #33ff33; /* Classic terminal green for startup */
  font-family: 'VT323', monospace;
  font-size: 1.5rem;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease;
}

.startup-box {
  width: 600px;
  max-width: 90%;
  border: 3px solid var(--hot-pink);
  background: #000;
  box-shadow: 0 0 20px rgba(255, 20, 147, 0.5);
}

.startup-header {
  background: var(--hot-pink);
  color: white;
  padding: 5px 10px;
  font-size: 1.2rem;
}

.startup-content {
  padding: 20px;
}

.startup-content p {
  margin-bottom: 5px;
  animation: typeIn 2s steps(40, end) backwards;
}

.startup-content p:nth-child(2) { animation-delay: 0.5s; }
.startup-content p:nth-child(3) { animation-delay: 1.0s; }
.startup-content p:nth-child(4) { animation-delay: 1.5s; }

@keyframes typeIn {
  from { width: 0; display: block; white-space: nowrap; overflow: hidden; }
  to { width: 100%; }
}

.ok { color: #00ff00; }

.progress-bar-container {
  width: 100%;
  height: 20px;
  border: 2px solid white;
  margin-top: 20px;
  margin-bottom: 20px;
  padding: 2px;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: repeating-linear-gradient(
    45deg,
    var(--hot-pink),
    var(--hot-pink) 10px,
    #ff69b4 10px,
    #ff69b4 20px
  );
  animation: bootLoad 2s forwards 2s;
}

@keyframes bootLoad {
  to { width: 100%; }
}

/* ── Desktop ── */
#desktop {
  position: relative;
  width: 100%;
  height: calc(100vh - 40px); /* minus taskbar */
  padding: 20px;
  z-index: 10;
}

.desktop-icon {
  width: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  margin-bottom: 20px;
  cursor: pointer;
  text-align: center;
}

.desktop-icon:hover .icon-text {
  background: var(--hot-pink);
  color: white;
  border: 1px dotted white;
}

.icon-img {
  font-size: 2.5rem;
  filter: drop-shadow(2px 2px 0px rgba(0,0,0,0.2));
}

.icon-text {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 4px;
  color: var(--win-text);
  background: rgba(255, 255, 255, 0.7);
  border: 1px dotted transparent;
}

/* ── Taskbar ── */
#taskbar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 44px;
  background: var(--taskbar-bg);
  border-top: 2px solid var(--border-light);
  display: flex;
  align-items: center;
  padding: 0 4px;
  z-index: 9000;
  box-shadow: inset 0 2px 0px rgba(255,255,255,0.7);
}

#start-btn {
  font-weight: bold;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  margin-right: 15px;
}

#taskbar-apps {
  flex-grow: 1;
  display: flex;
  gap: 5px;
  overflow-x: auto;
}

.task-app {
  background: var(--bg-window);
  border: 2px solid;
  border-top-color: var(--border-light);
  border-left-color: var(--border-light);
  border-right-color: var(--border-dark);
  border-bottom-color: var(--border-dark);
  padding: 4px 15px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  max-width: 150px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-shadow: inset 1px 1px 0px var(--border-light), inset -1px -1px 0px var(--border-darker);
}

.task-app.active {
  background: repeating-linear-gradient(45deg, #eee, #eee 2px, #fff 2px, #fff 4px);
  border-top-color: var(--border-dark);
  border-left-color: var(--border-dark);
  border-right-color: var(--border-light);
  border-bottom-color: var(--border-light);
  box-shadow: inset 2px 2px 4px rgba(0,0,0,0.1);
}

#taskbar-sysTray {
  border: 2px solid;
  border-top-color: var(--border-dark);
  border-left-color: var(--border-dark);
  border-right-color: var(--border-light);
  border-bottom-color: var(--border-light);
  padding: 0 10px;
  height: 34px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'VT323', monospace;
  font-size: 1.3rem;
  background: var(--taskbar-bg);
  box-shadow: inset 1px 1px 0px var(--border-darker);
}

/* ── Start Menu ── */
#start-menu {
  position: fixed;
  bottom: 44px;
  left: 0;
  width: 250px;
  background: var(--bg-window);
  border: 2px solid;
  border-top-color: var(--border-light);
  border-left-color: var(--border-light);
  border-right-color: var(--border-dark);
  border-bottom-color: var(--border-dark);
  box-shadow: inset 1px 1px 0px var(--border-light), inset -1px -1px 0px var(--border-darker), 4px 4px 0px rgba(0,0,0,0.1);
  display: flex;
  z-index: 8999;
}

.start-menu-sidebar {
  background: var(--titlebar-bg);
  width: 40px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 20px;
}

.start-menu-sidebar span {
  color: white;
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  transform: rotate(-90deg);
  white-space: nowrap;
}

.start-menu-items {
  flex-grow: 1;
  padding: 5px;
  display: flex;
  flex-direction: column;
}

.sm-item {
  padding: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--win-text);
}

.sm-item:hover {
  background: var(--hot-pink);
  color: white;
}

.sm-divider {
  height: 2px;
  background: var(--border-dark);
  border-bottom: 1px solid var(--border-light);
  margin: 5px 0;
}

/* ── Windows ── */
.window {
  position: absolute;
  width: 450px;
  max-width: 90vw;
  background: var(--bg-window);
  border: 2px solid;
  border-top-color: var(--border-light);
  border-left-color: var(--border-light);
  border-right-color: var(--border-dark);
  border-bottom-color: var(--border-dark);
  box-shadow: inset 1px 1px 0px var(--border-light), inset -1px -1px 0px var(--border-darker), 4px 4px 10px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
  z-index: 100;
  user-select: none;
}

.window.active {
  z-index: 500;
}

.window-header {
  background: var(--titlebar-bg);
  padding: 4px 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: grab;
}

.window-header:active {
  cursor: grabbing;
}

.window-title {
  color: var(--titlebar-text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
  text-shadow: 1px 1px 0px rgba(0,0,0,0.2);
}

.window-controls {
  display: flex;
  gap: 3px;
}

.close-btn {
  font-weight: bold;
  padding: 2px 7px;
  font-size: 0.9rem;
}

.window-menu, .window-tool-bar {
  padding: 4px 8px;
  display: flex;
  gap: 15px;
  border-bottom: 1px solid var(--border-dark);
  background: var(--bg-window);
}

.window-menu span, .tool-btn {
  font-size: 0.8rem;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
}

.window-menu span::first-letter {
  text-decoration: underline;
}

.window-content {
  padding: 15px;
  font-family: 'Syne', sans-serif;
  font-size: 0.9rem;
  line-height: 1.5;
  background: white;
  border: 2px solid;
  border-top-color: var(--border-dark);
  border-left-color: var(--border-dark);
  border-right-color: var(--border-light);
  border-bottom-color: var(--border-light);
  margin: 5px;
  flex-grow: 1;
  overflow-y: auto;
  max-height: 400px;
  cursor: auto;
  user-select: text;
}

.window-notepad {
  font-family: 'DM Sans', sans-serif;
}

.window-doc {
  background: white;
}

.window-center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.marquee-text {
  font-family: 'VT323', monospace;
  font-size: 1.5rem;
  color: var(--hot-pink);
  margin-bottom: 15px;
  border: 1px dashed var(--hot-pink-light);
  padding: 5px;
  background: #fff;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}

.tag {
  background: var(--baby-pink);
  border: 1px solid var(--hot-pink);
  padding: 4px 10px;
  font-size: 0.75rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: bold;
  box-shadow: 2px 2px 0px rgba(255, 20, 147, 0.2);
}

.exp-item h3 {
  font-size: 1.1rem;
  margin-bottom: 2px;
}

.exp-date {
  font-size: 0.75rem;
  color: #666;
  margin-bottom: 8px;
}

.decor-gif {
  width: 100px;
  height: 100px;
  margin-bottom: 10px;
}

.y2k-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.big-btn {
  text-decoration: none;
  font-family: 'DM Sans', sans-serif;
  font-weight: bold;
  font-size: 1rem;
  padding: 10px;
}

/* ── Winamp Player ── */
.winamp-header {
  background: linear-gradient(90deg, #111, #333);
}

.winamp-body {
  background: #222;
  padding: 10px;
  border: 2px solid;
  border-top-color: #555;
  border-left-color: #555;
  border-right-color: #000;
  border-bottom-color: #000;
  margin: 5px;
}

.winamp-screen {
  background: #0a0a0a;
  border: 2px solid;
  border-top-color: #000;
  border-left-color: #000;
  border-right-color: #444;
  border-bottom-color: #444;
  padding: 5px;
  margin-bottom: 10px;
}

.winamp-time {
  color: #00ff00;
  font-family: 'VT323', monospace;
  font-size: 2rem;
  line-height: 1;
}

.winamp-song {
  color: #00ff00;
  font-family: 'VT323', monospace;
  font-size: 1rem;
  margin: 5px 0;
}

.winamp-kbps {
  color: #555;
  font-family: 'VT323', monospace;
  font-size: 0.8rem;
}

.winamp-controls {
  display: flex;
  justify-content: space-between;
  gap: 5px;
}

.w-ctrl {
  background: silver;
  border: 2px solid;
  border-top-color: #ccc;
  border-left-color: #ccc;
  border-right-color: #333;
  border-bottom-color: #333;
  color: black;
  flex-grow: 1;
  padding: 5px 0;
  cursor: pointer;
  font-size: 0.8rem;
}

.w-ctrl:active {
  border-top-color: #333;
  border-left-color: #333;
  border-right-color: #ccc;
  border-bottom-color: #ccc;
}

/* ── Sparkle Container ── */
#sparkle-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
}

.sparkle {
  position: absolute;
  width: 15px;
  height: 15px;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="%23ff1493" d="M256 0c0 141.4-114.6 256-256 256 141.4 0 256 114.6 256 256 0-141.4 114.6-256 256-256C370.6 256 256 141.4 256 0z"/></svg>');
  background-size: contain;
  animation: sparkleFade 0.8s forwards;
}

@keyframes sparkleFade {
  0% { transform: scale(0.5); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}

.window.maximized {
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: calc(100vh - 44px) !important;
  max-width: none !important;
  margin: 0 !important;
  border-radius: 0;
}

.window.maximized .window-content {
  max-height: none !important;
}

/* ── Quiz Styles ── */
.quiz-content {
  background: var(--bg-color);
}

.q-block {
  margin-bottom: 20px;
  padding: 10px;
  background: #fff;
  border: 2px solid var(--border-light);
  border-right-color: var(--border-dark);
  border-bottom-color: var(--border-dark);
}

.q-block label {
  display: block;
  font-weight: bold;
  margin-bottom: 8px;
  color: var(--hot-pink);
}

.q-block label.rb {
  font-weight: normal;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #333;
  margin-bottom: 4px;
  cursor: pointer;
}

.y2k-input {
  width: 100%;
  padding: 6px;
  border: 2px solid var(--border-dark);
  border-right-color: var(--border-light);
  border-bottom-color: var(--border-light);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  background: #fff;
  color: #000;
  box-sizing: border-box;
}

.y2k-input:focus {
  outline: 2px solid var(--hot-pink);
}

.submit-btn {
  width: 100%;
  margin-top: 10px;
  font-size: 1.1rem;
  font-weight: bold;
  color: #fff;
  background: var(--hot-pink);
}

.submit-btn:hover {
  background: #fff;
  color: var(--hot-pink);
  border-color: var(--hot-pink);
}

.quiz-nav {
  display: flex;
  gap: 10px;
  justify-content: space-between;
  margin-top: 10px;
}

.quiz-nav .win-btn {
  flex: 1;
  font-size: 1.1rem;
  font-weight: bold;
}

.quiz-res {
  margin-top: 20px;
  padding: 15px;
  background: #fff;
  border: 2px dashed var(--hot-pink);
  text-align: center;
  font-weight: bold;
  color: var(--hot-pink);
  font-size: 1.2rem;
}

#volume-popup {
  position: absolute;
  bottom: 44px; /* matches taskbar height */
  right: 10px;
  background: #c0c0c0;
  border: 2px solid #fff;
  border-right-color: #808080;
  border-bottom-color: #808080;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10000;
  color: #000;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
}

#volume-popup input[type=range] {
  width: 100px;
  cursor: pointer;
}


@media (max-width: 600px) {
  .window {
    width: 95vw;
    top: 5% !important;
    left: 2.5% !important;
  }
}