.windows-layer {
  position: absolute;
  inset: 0 0 var(--taskbar-h) 0;
  z-index: var(--z-windows);
  pointer-events: none;
  overflow: hidden;
}

.window {
  position: absolute;
  display: flex;
  flex-direction: column;
  min-width: 280px;
  min-height: 180px;
  background: var(--bg-solid);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  pointer-events: auto;
  color: var(--text);
  transition: box-shadow 0.15s ease;
}

.window.focused {
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0, 120, 212, 0.25);
}

.window.dragging {
  opacity: 0.96;
  transition: none;
}

.window.snap-top::after {
  content: "";
  position: fixed;
  inset: 8px 8px calc(var(--taskbar-h) + 8px) 8px;
  border: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  pointer-events: none;
  z-index: 9999;
}

.window.maximized {
  border-radius: 0 !important;
  inset: 0 !important;
  width: auto !important;
  height: auto !important;
  resize: none;
}

.window.minimized {
  display: none !important;
}

.window-titlebar {
  height: var(--titlebar-h);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 4px 0 12px;
  background: var(--bg-mica);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  cursor: default;
}

.window-titlebar-icon {
  width: 16px;
  height: 16px;
  font-size: 14px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.window-title {
  flex: 1;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.window-controls {
  display: flex;
  height: 100%;
  margin-left: auto;
}

.window-btn {
  width: 46px;
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--text);
  transition: background 0.1s ease;
}

.window-btn:hover {
  background: var(--bg-hover);
}

.window-btn.close:hover {
  background: #e81123;
  color: #fff;
}

.window-btn svg {
  width: 10px;
  height: 10px;
  fill: currentColor;
}

.window-content {
  flex: 1;
  min-height: 0;
  overflow: auto;
  background: var(--bg-card);
  position: relative;
}

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

/* Resize handles */
.resize-handle {
  position: absolute;
  z-index: 5;
}

.resize-n { top: 0; left: 8px; right: 8px; height: 4px; cursor: n-resize; }
.resize-s { bottom: 0; left: 8px; right: 8px; height: 4px; cursor: s-resize; }
.resize-e { top: 8px; bottom: 8px; right: 0; width: 4px; cursor: e-resize; }
.resize-w { top: 8px; bottom: 8px; left: 0; width: 4px; cursor: w-resize; }
.resize-ne { top: 0; right: 0; width: 10px; height: 10px; cursor: ne-resize; }
.resize-nw { top: 0; left: 0; width: 10px; height: 10px; cursor: nw-resize; }
.resize-se { bottom: 0; right: 0; width: 10px; height: 10px; cursor: se-resize; }
.resize-sw { bottom: 0; left: 0; width: 10px; height: 10px; cursor: sw-resize; }

.window.maximized .resize-handle {
  display: none;
}

/* App error fallback */
.app-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 100%;
  padding: 24px;
  text-align: center;
}

.app-error h3 {
  font-weight: 600;
}

.app-error p {
  color: var(--text-secondary);
  max-width: 360px;
  font-size: 13px;
}

.app-error button {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--text-on-accent);
}

.app-error button:hover {
  background: var(--accent-hover);
}

@media (max-width: 700px) {
  .window:not(.maximized) {
    left: 4px !important;
    top: 4px !important;
    width: calc(100% - 8px) !important;
    height: calc(100% - 8px) !important;
  }
}