/* SPIDEY OS - Shared Window System
   Preserves existing desktop identity while adding holographic glass windows
*/

:root {
  --spidey-red: #e10600;
  --spidey-red-glow: rgba(225, 6, 0, 0.25);
  --spidey-red-tint: rgba(225, 6, 0, 0.08);
  --spidey-black: #0a0a0a;
  --spidey-charcoal: #141414;
  --spidey-glass: rgba(18, 18, 20, 0.84);
  --spidey-glass-strong: rgba(12, 12, 14, 0.92);
  --spidey-border: rgba(255, 255, 255, 0.08);
  --spidey-border-red: rgba(225, 6, 0, 0.18);
  --spidey-text: #f0f0f0;
  --spidey-text-dim: #a0a0a0;
}

#window-layer {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  overflow: hidden;
}

/* Core Spidey Window */
.spidey-window {
  position: fixed;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  background: var(--spidey-glass);
  backdrop-filter: blur(22px) saturate(1.25);
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
  border: 1px solid var(--spidey-border);
  border-top: 1px solid rgba(255,255,255,0.12);
  box-shadow: 
    0 24px 64px rgba(0,0,0,0.7),
    0 0 0 1px rgba(255,255,255,0.04) inset,
    0 0 32px var(--spidey-red-glow),
    0 1px 0 rgba(255,255,255,0.06) inset;
  border-radius: 16px;
  min-width: 320px;
  min-height: 240px;
  overflow: hidden;
  transform-origin: center bottom;
  will-change: transform, opacity;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.spidey-window::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(225,6,0,0.5), transparent);
  opacity: 0.6;
  pointer-events: none;
  z-index: 2;
}

.spidey-window::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 0%), rgba(225,6,0,0.06), transparent 40%);
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.spidey-window:hover::after {
  opacity: 1;
}

.spidey-window.focused {
  border-color: var(--spidey-border-red);
  box-shadow: 
    0 28px 80px rgba(0,0,0,0.75),
    0 0 0 1px rgba(255,255,255,0.06) inset,
    0 0 40px rgba(225,6,0,0.18),
    0 1px 0 rgba(255,255,255,0.08) inset;
  z-index: 100 !important;
}

.spidey-window.minimized {
  opacity: 0;
  transform: scale(0.92) translateY(20px);
  pointer-events: none;
}

/* Header */
.spidey-window-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.01));
  border-bottom: 1px solid var(--spidey-border);
  cursor: grab;
  user-select: none;
  flex-shrink: 0;
  position: relative;
  z-index: 3;
}

.spidey-window-header:active {
  cursor: grabbing;
}

.spidey-window-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--spidey-text);
}

.spidey-window-title-icon {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: rgba(225,6,0,0.15);
  display: grid;
  place-items: center;
  font-size: 11px;
  overflow: hidden;
}

.spidey-window-title-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.spidey-window-controls {
  display: flex;
  gap: 8px;
  align-items: center;
}

.spidey-win-btn {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: var(--spidey-text-dim);
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  transition: all 0.18s ease;
}

.spidey-win-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--spidey-text);
  transform: translateY(-1px);
}

.spidey-win-btn.close:hover {
  background: rgba(225,6,0,0.85);
  border-color: rgba(225,6,0,0.9);
  color: white;
  box-shadow: 0 4px 16px rgba(225,6,0,0.4);
}

.spidey-win-btn.minimize:hover {
  background: rgba(255,200,0,0.18);
  border-color: rgba(255,200,0,0.25);
}

/* Body */
.spidey-window-body {
  flex: 1;
  overflow: auto;
  position: relative;
  z-index: 2;
  background: linear-gradient(180deg, rgba(0,0,0,0.15), rgba(0,0,0,0.35));
  scrollbar-width: thin;
  scrollbar-color: rgba(225,6,0,0.3) transparent;
}

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

.spidey-window-body::-webkit-scrollbar-thumb {
  background: rgba(225,6,0,0.3);
  border-radius: 10px;
}

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

/* Animations */
@keyframes spideyWindowIn {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(16px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes spideyWindowOut {
  from {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
  to {
    opacity: 0;
    transform: scale(0.92) translateY(16px);
  }
}

.spidey-window.entering {
  animation: spideyWindowIn 0.32s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.spidey-window.exiting {
  animation: spideyWindowOut 0.22s cubic-bezier(0.4, 0, 1, 1) forwards;
}

/* Resize handle */
.spidey-resize-handle {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 18px;
  height: 18px;
  cursor: nwse-resize;
  z-index: 10;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.spidey-resize-handle:hover {
  opacity: 1;
}

.spidey-resize-handle::after {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 8px;
  height: 8px;
  border-right: 2px solid rgba(255,255,255,0.25);
  border-bottom: 2px solid rgba(255,255,255,0.25);
  border-radius: 0 0 2px 0;
}

/* Spider sense pulse */
.spider-sense {
  position: relative;
}

.spider-sense::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: radial-gradient(circle, rgba(225,6,0,0.15), transparent 70%);
  animation: spiderPulse 2.8s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes spiderPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.08); opacity: 0.15; }
}

/* Responsive */
@media (max-width: 768px) {
  .spidey-window {
    min-width: 0;
    width: calc(100vw - 16px) !important;
    max-width: calc(100vw - 16px);
    left: 8px !important;
    right: 8px;
    border-radius: 14px;
  }
  .spidey-window-body {
    max-height: 70vh;
  }
}

/* Preserve legacy panels but upgrade subtly if they get spidey class */
.notepad-panel.spidey-legacy,
.calculator-panel.spidey-legacy {
  background: var(--spidey-glass) !important;
  backdrop-filter: blur(22px);
  border: 1px solid var(--spidey-border-red);
  box-shadow: 0 24px 64px rgba(0,0,0,0.7), 0 0 32px var(--spidey-red-glow);
}