/* ==========================================================================
   JUYEL OS — Window Manager Styles & Titanium Glass Chrome
   ========================================================================== */

.os-window-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
}

/* Individual Window - Closed by default: display none to prevent click interception */
.os-window {
  display: none;
  position: absolute;
  min-width: 360px;
  min-height: 260px;
  max-width: 96vw;
  max-height: calc(100dvh - var(--nav-height) - 16px);
  background: var(--bg-panel);
  backdrop-filter: blur(36px);
  -webkit-backdrop-filter: blur(36px);
  border: 1px solid var(--border-prominent);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-window);
  flex-direction: column;
  overflow: hidden;
  pointer-events: auto;
  opacity: 0;
  transform: scale(0.95) translateY(12px);
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
}

/* Open Window State */
.os-window.is-open {
  display: flex !important;
  opacity: 1;
  transform: scale(1) translateY(0);
}

.os-window.is-active {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-window), 0 0 30px rgba(59, 130, 246, 0.18);
}

.os-window.is-minimized {
  display: none !important;
}

.os-window.is-maximized {
  top: 8px !important;
  left: 8px !important;
  width: calc(100% - 16px) !important;
  height: calc(100% - 16px) !important;
  border-radius: var(--radius-md);
}

/* Window Header / Title Bar */
.window-titlebar {
  height: 42px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-subtle);
  cursor: grab;
  user-select: none;
}

.window-titlebar:active {
  cursor: grabbing;
}

/* macOS-Style Traffic Lights with Hover Symbols */
.window-controls-traffic {
  display: flex;
  align-items: center;
  gap: 8px;
}

.traffic-btn {
  width: 13px;
  height: 13px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 700;
  color: transparent;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
}

.window-titlebar:hover .traffic-btn {
  color: rgba(0, 0, 0, 0.7);
}

.traffic-btn:hover {
  transform: scale(1.15);
}

.traffic-btn.close {
  background: #ff5f56;
  border: 1px solid #e0443e;
}

.traffic-btn.minimize {
  background: #ffbd2e;
  border: 1px solid #dea123;
}

.traffic-btn.maximize {
  background: #27c93f;
  border: 1px solid #1aab29;
}

.window-title-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

.window-title-info i {
  color: var(--color-primary);
  font-size: 12px;
}

.window-actions-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.window-tag-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

/* Window Content Body */
.window-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 22px;
  color: var(--text-main);
  scrollbar-width: thin;
  scrollbar-color: var(--border-prominent) transparent;
}

.window-body::-webkit-scrollbar {
  width: 6px;
}

.window-body::-webkit-scrollbar-track {
  background: transparent;
}

.window-body::-webkit-scrollbar-thumb {
  background: var(--border-prominent);
  border-radius: var(--radius-full);
}

.window-body::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Mobile Reflow (Sheet Layout)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .os-window {
    top: 6px !important;
    left: 6px !important;
    width: calc(100vw - 12px) !important;
    height: calc(100dvh - var(--nav-height) - 12px) !important;
    max-width: none !important;
    max-height: none !important;
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.9);
  }

  .window-titlebar {
    height: 48px;
    cursor: default;
  }

  .window-body {
    padding: 16px;
    -webkit-overflow-scrolling: touch;
  }

  .traffic-btn.minimize,
  .traffic-btn.maximize {
    display: none;
  }

  .traffic-btn.close {
    width: 24px;
    height: 24px;
    font-size: 12px;
    color: #ffffff;
  }
}