:root {
  --bg: #07111f;
  --panel: rgba(7, 17, 31, 0.82);
  --panel-2: rgba(255, 255, 255, 0.12);
  --text: #f7f8ff;
  --muted: #8da6c9;
  --accent: #8b5cf6;
  --accent-2: #22d3ee;
  --danger: #fb7185;
  --background: radial-gradient(
    circle at top left,
    #18314f 0%,
    #07111f 45%,
    #02060d 100%
  );
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--background);
  overflow: hidden;
  height: 100vh;
}

.boot-screen {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #0f172a, #111827 50%, #1d4ed8);
  z-index: 1000;
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.boot-screen.hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(1.03);
}

.boot-card {
  text-align: center;
  padding: 2rem 3rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.boot-card h1 {
  margin: 0 0 0.75rem;
  font-size: 2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.boot-card p {
  margin: 0 0 1.2rem;
  color: #ccd7f2;
}

.boot-btn {
  border: none;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: white;
  font-weight: 700;
  cursor: pointer;
}

.desktop {
  position: relative;
  width: 100vw;
  height: 100vh;
  background: var(--background);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.topbar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  background: var(--panel);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  z-index: 100;
}

.topbar .left,
.topbar .right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chip {
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.92rem;
  color: var(--muted);
}

.clock {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.desktop-icons {
  position: absolute;
  inset: 60px 16px 90px 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 92px));
  align-content: start;
  gap: 18px;
}
.settings-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.8rem;
}

.settings-row button {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  padding: 0.65rem 0.9rem;
  cursor: pointer;
}

.settings-row button:hover {
  background: rgba(255, 255, 255, 0.14);
}

.settings-row button.active-wallpaper {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

.wallpaper-preview {
  width: 100%;
  height: 80px;
  border-radius: 10px;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s;
}

.wallpaper-preview:hover {
  border-color: var(--accent-2);
}

.wallpaper-preview.active-wallpaper {
  border-color: var(--accent-2);
}

#wallpaperInput {
  display: none;
}

.app-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem;
  border-radius: 16px;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    background 0.2s ease;
}

.app-icon:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.app-icon .glyph {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  border-radius: 16px;
  background: linear-gradient(
    135deg,
    rgba(139, 92, 246, 0.85),
    rgba(34, 211, 238, 0.8)
  );
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 10px 26px rgba(0, 0, 0, 0.25);
}

.app-icon span:last-child {
  font-size: 0.9rem;
  text-align: center;
}

.dock {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  display: flex;
  gap: 0.6rem;
  padding: 0.65rem 0.8rem;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  z-index: 90;
}

.dock .app-icon {
  padding: 0.35rem;
}

.dock .glyph {
  width: 46px;
  height: 46px;
}

.window-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.window {
  position: absolute;
  min-width: 320px;
  min-height: 220px;
  width: 360px;
  height: 320px;
  max-height: calc(100vh - 120px);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.38);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(5, 11, 22, 0.95);
  pointer-events: auto;
  transform: translate(0, 0);
  display: flex;
  flex-direction: column;
}

.window.active {
  box-shadow: 0 22px 64px rgba(0, 0, 0, 0.46);
  border-color: rgba(34, 211, 238, 0.35);
}

.titlebar {
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.8rem;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.12),
    rgba(255, 255, 255, 0.04)
  );
  cursor: grab;
  user-select: none;
}

.titlebar:active {
  cursor: grabbing;
}

.titlebar .left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red {
  background: var(--danger);
}
.dot.yellow {
  background: #fbbf24;
}
.dot.green {
  background: #34d399;
}

.titlebar button {
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  cursor: pointer;
}

.window-body {
  flex: 1;
  min-height: 0;
  padding: 1rem;
  overflow: auto;
  color: #dfe9f7;
}

.about-grid {
  display: grid;
  gap: 1rem;
}

.card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 0.9rem;
}

.project-list,
.notes-list {
  display: grid;
  gap: 0.75rem;
}
.project-item,
.note-item {
  padding: 0.8rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.45rem;
}
.tag {
  font-size: 0.78rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.15);
  color: #9cecf8;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.gallery-card {
  overflow: hidden;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  min-height: 220px;
}

.gallery-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}

.gallery-caption {
  padding: 0.9rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: white;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.24));
}

.terminal pre {
  margin: 0;
  white-space: pre-wrap;
  font-family: "Cascadia Code", Consolas, monospace;
  color: #9dffcf;
}

.terminal-input {
  margin-top: 0.8rem;
  display: flex;
  gap: 0.5rem;
}

.terminal-input input {
  flex: 1;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: white;
}

.music-card {
  display: grid;
  gap: 0.6rem;
}
.slider {
  width: 100%;
  accent-color: var(--accent-2);
}

.hidden {
  display: none !important;
}
@media (max-width: 700px) {
  .window {
    width: min(92vw, 360px);
  }
}