* {
  box-sizing: border-box;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display";
}

body {
  height: 100vh;
  background: url("wallpaper-light.jpg") center / cover no-repeat fixed;
  overflow: hidden;
}

/* LOGIN */
#login-screen {
  position: fixed;
  inset: 0;
  backdrop-filter: blur(40px);
  background: rgba(0,0,0,0.25);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: opacity 1s ease;
}

.login-time {
  font-size: 96px;
  color: white;
}

.login-date {
  color: rgba(255,255,255,0.85);
  margin-bottom: 20px;
}

#loginBtn {
  padding: 10px 26px;
  border-radius: 999px;
  border: none;
}

/* MENU BAR */
#menubar {
  height: 28px;
  backdrop-filter: blur(25px);
  background: rgba(255,255,255,0.35);
  display: flex;
  justify-content: space-between;
  padding: 0 12px;
  align-items: center;
  font-size: 13px;
}

/* WINDOWS */
.window {
  width: 420px;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(30px);
  border-radius: 12px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.3);
  position: absolute;
  top: 120px;
  left: 120px;
}

.titlebar {
  height: 28px;
  display: flex;
  align-items: center;
}

.window-controls span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin: 0 4px;
  display: inline-block;
}

.close { background: #ff5f57; }
.minimize { background: #febc2e; }
.fullscreen { background: #28c840; }

/* DOCK */
#dock {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  padding: 12px 20px;
  background: rgba(255,255,255,0.35);
  backdrop-filter: blur(35px);
  border-radius: 26px;
}

.dock-placeholder {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(255,255,255,0.6);
}

/* SPOTLIGHT */
#spotlight {
  position: fixed;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  backdrop-filter: blur(40px);
  background: rgba(255,255,255,0.8);
  border-radius: 14px;
  padding: 16px;
}