/* ============================================
   ECOSYSTEM ADMIN OS SHELL
   desr- prefixed, all inline
   ============================================ */

:root {
  --desr-bg: #0a0a0f;
  --desr-bg-surface: rgba(20, 20, 30, 0.92);
  --desr-bg-surface-hover: rgba(30, 30, 45, 0.95);
  --desr-text: #e8e8f0;
  --desr-text-muted: #888899;
  --desr-accent: #6366f1;
  --desr-accent-glow: rgba(99, 102, 241, 0.3);
  --desr-border: rgba(255, 255, 255, 0.08);
  --desr-border-active: rgba(99, 102, 241, 0.4);
  --desr-radius: 12px;
  --desr-radius-sm: 8px;
  --desr-shadow: 0 8px 32px rgba(0,0,0,0.4);
  --desr-dock-height: 72px;
  --desr-titlebar-height: 36px;
  --desr-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Traffic light colours */
  --desr-tl-close: #ff5f57;
  --desr-tl-minimize: #febc2e;
  --desr-tl-maximize: #28c840;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  font-family: var(--desr-font);
  color: var(--desr-text);
  background: var(--desr-bg);
  user-select: none;
  -webkit-user-select: none;
}

/* ---- Desktop ---- */
#desr-desktop {
  position: fixed;
  inset: 0;
  bottom: 0;
}

#desr-desktop-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a0a1a 0%, #111128 30%, #0d1b2a 60%, #0a0a1a 100%);
  background-size: 400% 400%;
  animation: desr-bg-shift 30s ease infinite;
}

@keyframes desr-bg-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

#desr-windows-container {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* ---- Window ---- */
.desr-window {
  position: absolute;
  display: flex;
  flex-direction: column;
  min-width: 320px;
  min-height: 200px;
  border-radius: var(--desr-radius);
  border: 1px solid var(--desr-border);
  background: var(--desr-bg-surface);
  box-shadow: var(--desr-shadow);
  overflow: hidden;
  transition: box-shadow 0.15s ease;
}

.desr-window.desr-window-focused {
  border-color: var(--desr-border-active);
  box-shadow: var(--desr-shadow), 0 0 0 1px var(--desr-accent-glow);
}

.desr-window.desr-window-maximized {
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  border-radius: 0;
}

.desr-window.desr-window-minimized {
  display: none;
}

/* ---- Title Bar ---- */
.desr-titlebar {
  display: flex;
  align-items: center;
  height: var(--desr-titlebar-height);
  padding: 0 12px;
  background: rgba(15, 15, 25, 0.95);
  border-bottom: 1px solid var(--desr-border);
  cursor: default;
  flex-shrink: 0;
}

.desr-traffic-lights {
  display: flex;
  gap: 7px;
  margin-right: 12px;
}

.desr-tl {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  cursor: pointer;
  border: none;
  transition: filter 0.1s;
}

.desr-tl:hover { filter: brightness(1.3); }

.desr-tl-close    { background: var(--desr-tl-close); }
.desr-tl-minimize { background: var(--desr-tl-minimize); }
.desr-tl-maximize { background: var(--desr-tl-maximize); }

.desr-window-title {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
  color: var(--desr-text-muted);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
}

/* ---- Window Content ---- */
.desr-window-content {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.desr-window-content iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: var(--desr-bg);
}

/* ---- Resize Handles ---- */
.desr-resize {
  position: absolute;
  z-index: 10;
}
.desr-resize-n  { top: -3px; left: 10px; right: 10px; height: 6px; cursor: ns-resize; }
.desr-resize-s  { bottom: -3px; left: 10px; right: 10px; height: 6px; cursor: ns-resize; }
.desr-resize-e  { right: -3px; top: 10px; bottom: 10px; width: 6px; cursor: ew-resize; }
.desr-resize-w  { left: -3px; top: 10px; bottom: 10px; width: 6px; cursor: ew-resize; }
.desr-resize-ne { top: -3px; right: -3px; width: 14px; height: 14px; cursor: nesw-resize; }
.desr-resize-nw { top: -3px; left: -3px; width: 14px; height: 14px; cursor: nwse-resize; }
.desr-resize-se { bottom: -3px; right: -3px; width: 14px; height: 14px; cursor: nwse-resize; }
.desr-resize-sw { bottom: -3px; left: -3px; width: 14px; height: 14px; cursor: nesw-resize; }

/* ---- Dock ---- */
#desr-dock {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--desr-dock-height);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-top: none;
}

#desr-dock-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 16px;
  background: rgba(15, 15, 30, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 18px;
  border: 1px solid var(--desr-border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.desr-dock-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}

.desr-dock-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

.desr-dock-item.desr-dock-active {
  background: rgba(99, 102, 241, 0.15);
}

.desr-dock-icon {
  font-size: 18px;
  line-height: 1;
}

.desr-dock-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--desr-text-muted);
}

.desr-dock-item:hover .desr-dock-label,
.desr-dock-item.desr-dock-active .desr-dock-label {
  color: var(--desr-text);
}

.desr-dock-indicator {
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: transparent;
  transition: background 0.2s;
}

.desr-dock-item.desr-dock-active .desr-dock-indicator {
  background: var(--desr-accent);
}

.desr-dock-divider {
  width: 1px;
  height: 28px;
  background: var(--desr-border);
  margin: 0 4px;
}

/* ---- Fullscreen Mode ---- */
body.desr-fullscreen #desr-dock { display: none; }
body.desr-fullscreen #desr-desktop { bottom: 0; }

/* ---- Mobile ---- */
@media (max-width: 768px) {
  .desr-window {
    width: 100% !important;
    height: calc(100% - 10px) !important;
    top: 0 !important;
    left: 0 !important;
    border-radius: 0;
  }

  #desr-dock-inner { gap: 2px; padding: 4px 8px; }
  .desr-dock-item { padding: 4px 8px; }
  .desr-dock-label { display: none; }
  .desr-dock-icon { font-size: 20px; }
  --desr-dock-height: 56px;
}