.window {
  position: absolute;
  display: flex;
  flex-direction: column;
  background: var(--window-bg);
  border: 1px solid var(--window-border);
  border-radius: 16px;
  box-shadow: 0 18px 65px var(--shadow-heavy);
  backdrop-filter: blur(var(--glass-blur));
  overflow: hidden;
  min-width: 300px;
  min-height: 200px;
  transition: box-shadow var(--transition-fast);
  animation: scaleIn var(--transition-normal);
}

.window.focused {
  box-shadow: 0 22px 85px var(--shadow-heavy);
  z-index: calc(var(--z-window-base) + 1);
}

.window.minimized {
  display: none;
}

.window.maximized {
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 72px !important;
  width: 100% !important;
  height: calc(100vh - 72px) !important;
  border-radius: 0;
  animation: none;
}

.window.resizing {
  transition: none;
}

.window.dragging {
  transition: none;
  cursor: move;
}

.window-titlebar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 10px 12px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.03) 100%
  );
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  cursor: move;
  user-select: none;
  min-height: 40px;
}

.window.focused .window-titlebar {
  background: linear-gradient(
    180deg,
    rgba(110, 168, 255, 0.18) 0%,
    rgba(255, 255, 255, 0.03) 100%
  );
  color: var(--primary-text);
}

.window-icon {
  width: 26px;
  height: 26px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 750;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  line-height: 1;
}

.window-title {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Window Controls */
.window-controls {
  display: flex;
  gap: var(--spacing-xs);
}

.window-control-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 1rem;
  color: var(--titlebar-text);
  transition: background-color var(--transition-fast);
}

.window.focused .window-control-btn {
  color: var(--primary-text);
}

.window-control-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.window.focused .window-control-btn:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.window-control-btn.close:hover {
  background-color: var(--error-color);
  color: white;
}

/* ==================== WINDOW CONTENT ==================== */
.window-content {
  flex: 1;
  overflow: auto;
  padding: var(--spacing-md);
  background: transparent;
}

.window-content.no-padding {
  padding: 0;
}

/* ==================== RESIZE HANDLES ==================== */
.resize-handle {
  position: absolute;
  z-index: 10;
}

.resize-handle.n {
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  cursor: ns-resize;
}

.resize-handle.s {
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  cursor: ns-resize;
}

.resize-handle.e {
  top: 0;
  right: 0;
  bottom: 0;
  width: 4px;
  cursor: ew-resize;
}

.resize-handle.w {
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  cursor: ew-resize;
}

.resize-handle.ne {
  top: 0;
  right: 0;
  width: 8px;
  height: 8px;
  cursor: nesw-resize;
}

.resize-handle.nw {
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  cursor: nwse-resize;
}

.resize-handle.se {
  bottom: 0;
  right: 0;
  width: 8px;
  height: 8px;
  cursor: nwse-resize;
}

.resize-handle.sw {
  bottom: 0;
  left: 0;
  width: 8px;
  height: 8px;
  cursor: nesw-resize;
}

/* ==================== WINDOW STATES ==================== */
.window-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.window-error {
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--error-color);
}

.window-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  text-align: center;
  color: var(--secondary-text);
}

.window-empty-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.window-empty-text {
  font-size: 1rem;
}

/* ==================== RESPONSIVE WINDOW SIZES ==================== */
@media (max-width: 768px) {
  .window {
    min-width: 250px;
    min-height: 150px;
  }

  .window:not(.maximized) {
    max-width: 95vw;
    max-height: 80vh;
  }

  .window-titlebar {
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .window-control-btn {
    width: 28px;
    height: 28px;
    font-size: 0.9rem;
  }

  .window-content {
    padding: var(--spacing-sm);
  }
}