:root {
  --bg-space-void: #030712;
  --bg-space-nebula: #0b1120;
  --bg-card-glass: rgba(15, 23, 42, 0.75);
  --border-cyan-glow: rgba(56, 189, 248, 0.35);
  --border-cyan-focus: rgba(56, 189, 248, 0.75);

  --accent-cyan: #38bdf8;
  --accent-cyan-bright: #7dd3fc;
  --accent-blue-deep: #0284c7;
  --accent-purple: #a855f7;

  --text-heading: #f0f9ff;
  --text-body: #cbd5e1;
  --text-muted: #64748b;

  --font-heading: 'Orbitron', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;

  --backdrop-blur: blur(16px);
  --glow-cyan-sm: 0 0 10px rgba(56, 189, 248, 0.3);
  --glow-cyan-md: 0 0 25px rgba(56, 189, 248, 0.25);
  --glow-cyan-lg: 0 0 40px rgba(56, 189, 248, 0.35);
  --glass-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
}

* {
  box-sizing: border-box;
}

body.desktop-body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background-color: var(--bg-space-nebula);
  background-image: url('webOsBackground.jpg');
  background-size: cover;
  background-position: center;
  color: var(--text-body);
  font-family: var(--font-body);
  overflow: hidden;
}

/* --- Top Bar --- */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 8px 20px;
  backdrop-filter: blur(10px);
  background-color: rgba(0, 0, 0, 0.35);
  color: #fff;
  z-index: 9999;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand-button {
  margin: 0;
  cursor: pointer;
  font-weight: 600;
  font-family: var(--font-heading);
  letter-spacing: 0.5px;
  transition: color 0.2s ease;
}

.brand-button:hover {
  color: var(--accent-cyan-bright);
}

/* --- Desktop Apps Grid --- */
.desktop-apps {
  padding-top: 64px;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.app-icon {
  text-align: center;
  padding: 12px;
  width: 90px;
  cursor: pointer;
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.5));
  border-radius: var(--radius-md);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.app-icon:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.app-icon img {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  object-fit: cover;
}

.app-icon p {
  margin: 6px 0 0 0;
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 500;
}

/* --- Window Styles --- */
.window {
  position: absolute;
  top: 100px;
  left: 100px;
  display: none;
  border: 1px solid var(--border-cyan-glow);
  border-radius: var(--radius-md);
  backdrop-filter: blur(16px);
  background-color: var(--bg-space-nebula);
  box-shadow: var(--glass-shadow);
  color: var(--text-body);
  overflow: hidden;
  min-width: 320px;
}

.windowheader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background-color:var(--bg-space-void);
  cursor: move;
  border-bottom: 1px solid var(--border-cyan-glow);
}

.headertext {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--text-heading);
}

.closebutton {
  width: 14px;
  height: 14px;
  background-color: #ef4444;
  border-radius: 50%;
  cursor: pointer;
  transition: opacity 0.2s;
}

.closebutton:hover {
  opacity: 0.8;
}

.header-spacer {
  width: 14px;
}

.window-content {
  padding: 20px;
  max-width: 500px;
}

.header-profile {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-cyan);
}

.notes-content {
  background-color: #ffffff;
  color: #1e293b;
  margin: 10px;
  border-radius: var(--radius-md);
  width: 500px;
  height: 400px;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.notes-content h2 {
    margin-top: 0;
    margin-bottom: 12px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
}

#notesArea {
    width: 100%;
    height: 100%;
    border: none;
    outline: none;
    resize: none;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: #0f172a;
    background: transparent;
}

.sim-content {
    width: 800px;
    height: 500px;
    background-color: var(--bg-space-void);
    display: flex;
}

.sim-content iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-bottom-left-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}

.active-tag {
    font-size: 0.8rem;
    font-family: var(--font-mono);
    color: var(--accent-cyan);
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid var(--border-cyan-glow);
    padding: 2px 10px;
    border-radius: var(--radius-pill);
    transition: all 0.2 ease;
}