:root {
  --xp-ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --bg-xp: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.06), transparent 6%), linear-gradient(180deg, #7ec0ff 0%, #2e9bd5 40%, #144f7a 100%);
  --title-xp: linear-gradient(to right, #0a246a, #3a6ea5);
  --taskbar-xp: linear-gradient(#3a6ea5, #0a246a);
  --window-bg: #d4d0c8;
  --text: #000;
}



body {
  margin: 0;
  font-family: Tahoma, sans-serif;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.06), transparent 6%),
    linear-gradient(180deg, #7ec0ff 0%, #2e9bd5 40%, #144f7a 100%);
  background-color: #008080;
  height: 100vh;
  overflow: hidden;
  transition: background 240ms var(--xp-ease), color 240ms var(--xp-ease);
  color: var(--text);
}



* {
  cursor: url("cursors/xp.cur"), default;
}

button {
  transition: background 80ms linear, transform 50ms linear;
}

button:active {
  transform: translateY(1px);
}
#desktop {
  padding: 0;
  width: 100vw;
  height: 100vh;
}

.window {
  background: #d4d0c8;
  border: none;
  display: flex;
  flex-direction: column;
  border-top: 2px solid #fff;
  border-left: 2px solid #fff;
  border-right: 2px solid #404040;
  border-bottom: 2px solid #404040;
}

.draggable {
  width: 540px;
  height: 640px;
  position: absolute;
  top: 60px;
  left: 40px;
  box-shadow: 6px 6px 0 rgba(0,0,0,0.15);
  border: 1px solid rgba(0,0,0,0.2);
  touch-action: none; 
  transition: left 260ms var(--xp-ease), top 260ms var(--xp-ease), width 260ms var(--xp-ease), height 260ms var(--xp-ease);
}

.draggable.dragging {
  opacity: 0.95;
  transition: none;
}

.title-bar {
  cursor: move;
  -webkit-user-select: none;
  user-select: none;
}

.title-bar.dragging { cursor: grabbing; }



.post {
  scroll-snap-align: start;
  background: white;
  border: 1px solid #808080;
  margin: 0 auto 60px auto; 
  width: 500px;
  box-shadow: inset 1px 1px 0 #fff;
  border-radius: 4px;
  overflow: hidden;
}

.post-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  font-weight: bold;
  border-bottom: 1px solid rgba(0,0,0,0.04); 
  background: #fbfdff;
} 

.post-header .avatar {
  width: 36px;
  height: 36px;
  background: #c0c0c0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: #2b3a55;
}

.post-header .user-info { display:flex; flex-direction:column; }
.post-header .username { font-size: 14px; color: #1a1a1a; }
.post-header .caption { font-size: 12px; color: #444; font-weight: normal; }

.post-actions {
  --action-h: 28px;
  --action-font: 13px;
  display: flex;
  gap: 8px;
  padding: 8px 10px;
  align-items: center;

  background: linear-gradient(180deg, rgba(150,195,230,0.18), rgba(220,235,250,0.10));
  color: #082b44;
  border-radius: 0px;
  border: 1px solid rgba(14,77,115,0.06);
  box-shadow: none;
}


.post-actions button,
.post-actions .likes-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--action-h);
  min-width: var(--action-h);
  padding: 0 0px;
  font-size: var(--action-font);
  border-radius: 999px;
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  transition: background 120ms var(--xp-ease), transform 90ms linear;
}

.post-actions .likes-count {
  margin-left: 0px;
  font-weight: 600;
  padding: 0 0px;
}


.post-actions button:hover,
.post-actions .likes-count:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-1px);
}


.post-actions .comment-btn svg { display:block; width:16px; height:16px; fill:#254554; }
html.dark .post-actions .comment-btn svg { fill: #d8dbe0; }
.post-actions button:active,
.post-actions .likes-count:active { transform: none; }

.post-actions button:focus,
.post-actions .likes-count:focus { outline: 2px solid rgba(58,110,165,0.08); outline-offset: 2px; }


html.dark .post-actions { background: rgba(255,255,255,0.03); border: none; }
html.dark .post-actions button,
html.dark .post-actions .likes-count { background: rgba(255,255,255,0.02); border: none; }
html.dark .post-actions button:hover,
html.dark .post-actions .likes-count:hover { background: rgba(255,255,255,0.04); }

.post-actions .like-btn { order: 0; transition: transform 150ms ease; }
.post-actions .likes-count { order: 1; margin-left: 6px; }
.post-actions .comment-btn { order: 2; }
.post-actions .share-btn { order: 3; }

.post-actions .like-btn.liked { color: #ff6b6b; transform: scale(1.12); } 

.post-footer { padding: 8px 10px; font-size: 13px; color:#333; }


.feed::-webkit-scrollbar { height: 10px; width: 8px; }
.feed::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.2); border-radius: 6px; }
.feed::-webkit-scrollbar-track { background: rgba(255,255,255,0.02); }


.post-media { background: #000; position: relative; }


.media-open-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0,0,0,0.6);
  border: none;
  color: #fff;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 18px;
  cursor: pointer;
  z-index: 10;
  display: none;
}

.post-media:hover .media-open-btn { display: block; }


.media-open-btn.video {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  transform: none; 
  background: transparent; 
  font-size: 40px;
  color: #fff;
  border-radius: 0;
  z-index: 4000; 
  cursor: pointer;
  pointer-events: auto;
  opacity: 0.92;
  transition: opacity 160ms var(--xp-ease);
}

.media-open-btn.video:hover { opacity: 1; }

.media-open-btn.video svg polygon { filter: drop-shadow(0 2px 4px rgba(0,0,0,0.6)); transition: transform 180ms var(--xp-ease); }

.media-open-btn.video:hover svg polygon { transform: scale(1.12); }


.post-header .avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; display:block; }
.media-open-btn:active { transform: scale(0.98); }


.modal .media-open-btn { display: none !important; }


.thumbs {
  display: flex;
  gap: 6px;
  padding: 6px 0;
  overflow-x: auto;
  scrollbar-width: thin;
}



.thumb {
  position: relative;
  flex: 0 0 60px; 
  height: 60px;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border 0.2s, transform 0.2s, box-shadow 0.2s;
}


.thumb img { width:100%; height:100%; object-fit:cover; display:block; }
.thumb.active {
  border-color: #4a90e2;
  box-shadow: 0 0 8px rgba(74,144,226,0.5);
  transform: scale(1.05);
}


.thumb-wrapper {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background: #111;
}

.thumb-wrapper img,
.thumb-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover; 
}

.thumb-video-icon,
.thumb-model-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  font-size: 18px;
  color: white;
  text-shadow: 0 0 3px rgba(0,0,0,0.7);
}

.theme-dark .thumb { background:#222; border-color: rgba(255,255,255,0.04); }
.theme-dark .thumb.active { outline-color: #6aa7ff; box-shadow: 0 0 0 2px rgba(106,167,255,0.08); }
.thumb-video { font-size: 18px; color: #fff; background: rgba(0,0,0,0.35); width:100%; height:100%; display:flex; align-items:center; justify-content:center; }




.title-bar {
  background: linear-gradient(to right, #0a246a, #3a6ea5);
  color: white;
  padding: 6px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: move;
  user-select: none;
}


.window-content.feed {
  flex: 1;
  overflow-y: auto;
  padding: 40px 0;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
}

.window-controls {
  display: flex;
  gap: 6px;
  align-items: center;
}

.window-controls button {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: linear-gradient(#e7e4df,#d4d0c8);
  border: 1px solid rgba(0,0,0,0.45);
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
  border-radius: 3px;
  transition: transform 120ms var(--xp-ease), box-shadow 120ms;
}

.window-controls button svg { width: 12px; height: 12px; fill: currentColor; }

.window-controls button:hover { transform: translateY(-1px); box-shadow: 0 2px 6px rgba(0,0,0,0.08); }


.feed {
  height: 600px;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
}

.post {
  scroll-snap-align: start;
  background: white;
  border: 1px solid #808080;
  margin: 0 auto 60px auto; 
  width: 500px;
  box-shadow: inset 1px 1px 0 #ffffff00;
}


.post-header {
  padding: 10px;
  font-weight: bold;
  border-bottom: 1px solid #ccc;
  background: #f5f5f5;
}


.post-media {
  position: relative;
  background: black;
}



.post-media img,
.post-media video {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}



.post-actions span {
  font-size: 14px;
}


.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.45);
  color: #fff;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
  cursor: pointer;
  transition: background 120ms var(--xp-ease), transform 120ms var(--xp-ease), opacity 120ms;
  opacity: 0.95;
  font-size: 18px;
  z-index: 5000; 
  pointer-events: auto;
}

.gallery-nav.left { left: 8px; }
.gallery-nav.right { right: 8px; }

.gallery-nav:hover { transform: translateY(-50%) scale(1.06); opacity: 1; background: rgba(0,0,0,0.7); }


.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 20000;
}

.modal .window {
  z-index: 20001;
}



.hidden {
  display: none;
}



#boot {
  position: fixed;
  inset: 0;
  background: black;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 400ms var(--xp-ease);
}

.boot-hide {
  opacity: 0;
  pointer-events: none;
}

.boot-box {
  text-align: center;
  font-family: Tahoma;
}

.loader {
  width: 200px;
  height: 6px;
  background: #333;
  margin-top: 10px;
  position: relative;
  overflow: hidden;
}

.loader::after {
  content: "";
  position: absolute;
  width: 60px;
  height: 100%;
  background: #3a6ea5;
  animation: load 1.5s infinite;
}

@keyframes load {
  from { left: -60px; }
  to { left: 200px; }
}



#taskbar {
  position: fixed;
  bottom: 0;
  left: 0;
  height: 40px;
  width: 100%;
  background: linear-gradient(to right, #0a246a, #3a6ea5, #0a246a);
  display: flex;
  align-items: center;
  padding: 4px;
  z-index: 1000;
}



.start-menu {
  position: absolute;
  bottom: 44px;
  left: 8px;
  width: 220px;
  background: #f5f5f5;
  border: 1px solid #888;
  box-shadow: 6px 6px 0 rgba(0,0,0,0.15);
  border-radius: 4px;
  padding: 6px;
  z-index: 2000;
}
.start-menu.hidden { display: none; }
.start-menu ul { list-style: none; margin: 0; padding: 0; }
.start-menu li { margin: 0; padding: 6px 8px; }
.start-menu .divider { height: 1px; background: #ddd; margin: 6px 0; }
.start-menu button, .start-menu .menu-item { width: 100%; text-align: left; background: none; border: none; padding: 4px 6px; cursor: pointer; }
.start-menu .menu-item input { margin-right: 8px; }
.start-menu button:hover, .start-menu li:hover { background: rgba(0,0,0,0.04); }


html.dark {
  --window-bg: #161616;
  --text: #eaeaea;
}
html.dark body {
  background: linear-gradient(180deg,#0b1220 0%, #071225 60%);
  color: var(--text);
}
html.dark .window { background: #1c1c1c; color: var(--text); border-color: #333; }
html.dark .draggable { box-shadow: 6px 6px 0 rgba(0,0,0,0.6); }
html.dark .post { background: #0f0f0f; border-color: #222; color: var(--text); }
html.dark .post-header { background: #121212; border-color: #222; }
html.dark .post-media { background: #000; }
html.dark .title-bar { background: linear-gradient(to right, #0b0f14, #26313a); }
html.dark #taskbar { background: linear-gradient(to right, #0b0f14, #26313a, #0b0f14); }
html.dark #taskbar .tray { color: #ddd; }
html.dark .desktop-icon .icon-label { color: #ddd; }
html.dark .post-actions .like-btn { color: #ddd; }
html.dark .thumb { background: #111; border-color: #222; }
html.dark .thumb.active { outline-color: #4ea8ff; box-shadow: 0 0 0 2px rgba(78,168,255,0.06); }
html.dark .start-menu { background: #222; color: #eee; border-color: #444; }
html.dark .start-menu button, html.dark .start-menu .menu-item { color: #eee; }


html.dark .post-actions {
  background: rgba(255,255,255,0.03);
  border-top-color: rgba(255,255,255,0.04);
  box-shadow: none;
  color: #eaeaea;
}
html.dark .post-actions button { color: inherit; }
html.dark .post-actions .like-btn.liked { color: #ff6b6b; }
html.dark .post { background: #0f0f0f; color: var(--text); border-color: #222; }
html.dark .post-header { color: var(--text); }
html.dark .post-header .username { color: var(--text); }
html.dark .post-header .caption { color: #dcdcdc; font-weight: 400; }
html.dark .likes-count { color: var(--text); }


html.dark .gallery-nav { background: rgba(255,255,255,0.06); color: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.6); }


#taskbar .taskbar-apps {
  display: flex;
  gap: 6px;
}

#taskbar .taskbar-btn {
  background: #f0f0f0;
  border: 1px solid #6d8db7;
  padding: 4px 10px;
  font-weight: bold;
  cursor: pointer;
}

#taskbar .tray {
  margin-left: auto;
  margin-right: 10px;
  color: white;
  padding-right: 14px;
  font-family: Tahoma, sans-serif;
  font-size: 18px;
  font-weight: bold;
  padding: 2px 6px;
}

.desktop-icon {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 72px;
  text-align: center;
  color: white;
  cursor: default;
  user-select: none;
}

.desktop-icon .icon-img {
  font-size: 36px;
  background: rgba(255,255,255,0.06);
  padding: 6px;
  border-radius: 6px;
  display: inline-block;
}

.desktop-icon .icon-label {
  margin-top: 6px;
  font-size: 12px;
  color: #fff;
  text-shadow: 0 1px 0 rgba(0,0,0,0.6);
}


.draggable.maximized {
  top: 0;
  left: 0;
  width: 100vw;
  height: calc(100vh - 40px); 
  margin: 0;
  box-shadow: none;
}


.title-bar .title-left {
  display: flex;
  gap: 8px;
  align-items: center;
}

.title-bar .icon {
  font-size: 14px;
}


.window-controls .close-btn {
  background: linear-gradient(#ff5c5c,#e04444);
  color: white;
  border: 1px solid #8b2b2b;
  font-weight: bold;
}



.window {
  animation: xp-open 180ms var(--xp-ease);
}

@keyframes xp-open {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}


.modal .window {
  animation: xp-zoom 200ms var(--xp-ease);
}

@keyframes xp-zoom {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}


.model-poster {
  width: 100%;
  height: 420px;
  object-fit: cover;
  background: #000;
  cursor: pointer;
}



.thumbs button {
  position: relative; 
}
.model-thumb, .video-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}


.model-wrap {
  position: relative;
  width: 100%;
  height: 420px;
  background: #000;
}

.model-loading {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, #050505, #000);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  z-index: 5;
  font-family: "Segoe UI", system-ui, sans-serif;
}

.xp-loading-title {
  font-size: 12px;
  color: #9fa8b0;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.xp-loading-bar {
  width: 70%;
  height: 10px;
  background: #111;
  border: 1px solid #2a2a2a;
  box-shadow: inset 0 0 6px #000;
  overflow: hidden;
  position: relative;
}

.xp-loading-progress {
  height: 100%;
  width: 0%;
  background:
    linear-gradient(
      90deg,
      #3a7bd5,
      #00d2ff,
      #3a7bd5
    );
  background-size: 200% 100%;
  animation: loadingShine 1.2s linear infinite;
  transition: width 0.25s ease;
}

.xp-loading-percent {
  font-size: 11px;
  color: #8fa4c7;
  letter-spacing: 0.5px;
}

@keyframes loadingShine {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.model-loading.hide {
  opacity: 0;
  transition: opacity 300ms ease;
  pointer-events: none;
}



#desktop.glitching {
  animation: glitch-move 0.1s infinite, glitch-color 0.08s infinite;
  filter: blur(1px) contrast(1.2);
  position: relative;
  overflow: hidden;
}

@keyframes glitch-move {
  0% { transform: translate(0, 0) skew(0deg, 0deg); }
  20% { transform: translate(-2px, 1px) skew(-1deg, 0deg); }
  40% { transform: translate(2px, -1px) skew(1deg, 0deg); }
  60% { transform: translate(-1px, 2px) skew(0deg, 1deg); }
  80% { transform: translate(1px, -2px) skew(0deg, -1deg); }
  100% { transform: translate(0, 0) skew(0deg, 0deg); }
}


@keyframes glitch-color {
  0% { filter: blur(1px) contrast(1.2) drop-shadow(2px 0 red) drop-shadow(-2px 0 blue); }
  25% { filter: blur(1px) contrast(1.2) drop-shadow(-2px 0 red) drop-shadow(2px 0 blue); }
  50% { filter: blur(1px) contrast(1.2) drop-shadow(2px 0 red) drop-shadow(-2px 0 blue); }
  75% { filter: blur(1px) contrast(1.2) drop-shadow(-2px 0 red) drop-shadow(2px 0 blue); }
  100% { filter: blur(1px) contrast(1.2) drop-shadow(2px 0 red) drop-shadow(-2px 0 blue); }
}



.start-btn {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;

  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: Tahoma, sans-serif;
  font-size: 12px;
  font-weight: bold;
  cursor: pointer;
  border-radius: 2px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.4);
  transition: background 120ms, transform 50ms, box-shadow 50ms;
  border: 1px solid #2b6bb2;
  border-top-color: #ffffff;
  border-left-color: #ffffff;
  border-bottom-color: #2b6bb2;
  border-right-color: #2b6bb2;

  background: linear-gradient(to bottom, #dbe9ff, #a4c0f5);
  color: #000;
}

.start-btn:hover {
  background: linear-gradient(to bottom, #e3f0ff, #7fa0e5);
}

.start-btn:active {
  transform: translateY(1px);
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.3);
}


.start-btn .win-icon {
  font-size: 14px;
  display: inline-block;
  vertical-align: middle;
}


html.dark .start-btn {
  background: linear-gradient(to bottom, #3a3a3a, #1f1f1f);
  color: #eee;
  border: 1px solid #555;
  border-top-color: #777;
  border-left-color: #777;
  border-bottom-color: #333;
  border-right-color: #333;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
}

html.dark .start-btn:hover {
  background: linear-gradient(to bottom, #4a4a4a, #2a2a2a);
}

html.dark .start-btn:active {
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.5);
}