/* Heyming OS — window chrome: frame, titlebar, content, iframe, scrollbars, mobile rules.
 *
 * Color literals migrated to brand tokens. Geometry, animation, and z-index
 * stacking are unchanged. The previous blue-on-blue active state is now
 * brand-violet-on-surface.
 */

/* OS Window */
.os-window {
  position: absolute;
  min-width: 400px;
  min-height: 300px;
  background: var(--surface-1);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--pure-black) 12%, transparent);
  overflow: hidden;
  z-index: 100;
  pointer-events: auto; /* #os-windows uses pointer-events: none so clicks reach desktop icons */
  transition: border-color var(--motion-hover), box-shadow var(--motion-hover);
}

/* Mobile-friendly */
@media (max-width: 768px), (max-height: 600px) {
  .os-window {
    min-width: 280px;
    min-height: 200px;
    border-radius: 0;
  }

  .os-window.mobile-view {
    border-radius: 0;
  }

  .os-window-titlebar {
    padding: 10px 12px !important;
  }

  .os-window-title {
    font-size: 14px !important;
  }

  .os-window-control {
    width: 32px !important;
    height: 32px !important;
    font-size: 18px !important;
  }

  .resize-handle,
  .window-drag-handle {
    display: none !important;
  }

  #os-taskbar {
    height: 56px !important;
  }

  #app-launcher {
    width: 48px !important;
    font-size: 24px !important;
  }

  .taskbar-button {
    padding: 8px 12px !important;
    font-size: 13px !important;
    min-width: 60px !important;
  }

  #taskbar-clock {
    font-size: 13px !important;
    padding: 0 12px !important;
  }

  .desktop-icon {
    width: 80px !important;
    height: 100px !important;
    padding: 8px !important;
  }

  .desktop-icon .icon {
    font-size: 56px !important;
  }

  .desktop-icon .label {
    font-size: 12px !important;
  }

  .context-menu-item {
    padding: 14px 16px !important;
    font-size: 15px !important;
  }

  #app-launcher-menu {
    width: 280px !important;
    max-height: 70vh !important;
  }

  .launcher-app-item {
    padding: 12px 16px !important;
  }

  .quick-look-container {
    max-width: 95vw !important;
    max-height: 85vh !important;
    min-width: 300px !important;
  }
}

.os-window.dragging {
  transition: none;
}

.os-window.dragging .resize-handle {
  opacity: 0.4;
  background: var(--accent-primary-soft);
}

.os-window:not(.active) {
  border-color: var(--hairline);
  box-shadow: 0 1px 3px color-mix(in srgb, var(--pure-black) 8%, transparent);
}

.os-window:not(.active) .os-window-titlebar {
  background: var(--surface-2);
}

.os-window:not(.active) .os-window-title {
  color: var(--text-3);
}

.os-window:not(.active) .os-window-titlebar:hover {
  background: var(--surface-1);
}

.os-window.active {
  border-color: var(--accent-primary);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--pure-black) 12%, transparent),
    0 0 0 1px var(--hairline-accent);
}

.os-window.minimized {
  transform: scale(0.1) translateY(100vh);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease-out;
}

.os-window.restoring {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.2s ease-in;
}

.os-window.maximized {
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: calc(100vh - 48px) !important;
  border-radius: 0;
}

/* Window Title Bar */
.os-window-titlebar {
  height: 32px;
  min-width: 0;
  background: var(--surface-2);
  border-bottom: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  padding: 0 8px;
  cursor: move;
  user-select: none;
}

.os-window.active .os-window-titlebar {
  background: var(--surface-1);
  border-bottom-color: var(--hairline-strong);
}

.os-window.active .os-window-titlebar:hover {
  background: var(--accent-primary-soft);
}

.os-window-title {
  flex: 1;
  min-width: 0;
  color: var(--text-1);
  font-size: 12px;
  font-weight: 500;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  margin-left: 8px;
}

.os-window-controls {
  display: flex;
  flex-shrink: 0;
  gap: 4px;
}

.os-window-control {
  width: 16px;
  height: 16px;
  border: none;
  border-radius: 50%;
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--motion-hover);
}

/* Window controls: each gets a deep on-color text tint that comes from
 * its own dot color (warning/success/danger) at high darkness, so the
 * glyph reads against the dot but never as plain black/white literals. */
.os-window-control.minimize {
  background: var(--warning);
  color: color-mix(in srgb, var(--warning) 30%, var(--pure-black));
}

.os-window-control.maximize {
  background: var(--success);
  color: color-mix(in srgb, var(--success) 30%, var(--pure-black));
}

.os-window-control.close {
  background: var(--danger);
  color: color-mix(in srgb, var(--danger) 30%, var(--pure-black));
}

.os-window-control:hover {
  transform: scale(1.1);
  opacity: 0.85;
}

.os-window-control:focus-visible {
  outline: 2px solid var(--focus-ring-inner);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--focus-ring-outer);
}

/* Window Content */
.os-window-content {
  height: calc(100% - 32px);
  overflow: auto;
  background: var(--surface-0);
  color: var(--text-1);
  position: relative;
  z-index: 3;
  padding-bottom: 20px;
}

/* Iframe content — shell matches window body so apps don't flash white before paint */
.iframe-content {
  position: relative;
  width: 100%;
  height: calc(100% - 20px);
  z-index: 15;
  background: var(--surface-0);
  overflow: hidden;
  pointer-events: auto;
}

.iframe-content iframe {
  position: relative;
  z-index: 16;
  background: var(--surface-0);
  pointer-events: auto;
}

/* Scrollbars */
.os-window-content::-webkit-scrollbar,
.terminal-content::-webkit-scrollbar {
  width: 12px;
}

.os-window-content::-webkit-scrollbar-track,
.terminal-content::-webkit-scrollbar-track {
  background: var(--surface-1);
}

.os-window-content::-webkit-scrollbar-thumb,
.terminal-content::-webkit-scrollbar-thumb {
  background: var(--surface-2);
  border-radius: 6px;
}

.os-window-content::-webkit-scrollbar-thumb:hover,
.terminal-content::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Stacking context above desktop icons; pointer-events none so the full-bleed
 * layer does not steal clicks from icons (windows opt back in via
 * .os-window { pointer-events: auto }). */
#os-windows {
  z-index: 200;
  isolation: isolate;
  pointer-events: none;
}

/* Iframe loading indicator */
.iframe-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  background: var(--surface-0);
  color: var(--text-1);
  font-family: var(--font-mono);
}

.iframe-loading::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--hairline);
  border-top: 2px solid var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: 10px;
}