/* Main OS Styling */
:root {
  /* Theme: Matrix Green (Default) */
  --os-accent: #00ff00;
  --os-accent-muted: #4ade80;
  --os-accent-dim: rgba(0, 255, 0, 0.2);
  --os-accent-strong: rgba(0, 255, 0, 0.5);
  --os-bg: #000000;
  --os-surface: #1f2937;
  --os-surface-deep: #111827;
  --os-text: #00ff00;
  --os-text-dim: #4ade80;
  --os-border: #00ff00;
  --os-font-size: 16px;
  --os-desktop-bg: #000000;
  --os-font-family: 'Courier New', monospace;
}

body {
  font-family: var(--os-font-family);
  font-size: var(--os-font-size);
  background: var(--os-bg);
  color: var(--os-text);
  overflow: hidden;
  /* Prevent scrolling on desktop */
}

/* WinBox-backed EntropyOS window chrome */
.winbox.entropyos-window {
  background: var(--os-surface-deep);
  border: 1px solid var(--os-border);
  box-shadow: 0 0 20px var(--os-accent-dim), inset 0 0 18px rgba(0, 0, 0, 0.45);
  color: var(--os-text);
  font-family: var(--os-font-family);
}

.winbox.entropyos-window .wb-header {
  background: linear-gradient(180deg, var(--os-surface), var(--os-surface-deep));
  border-bottom: 1px solid var(--os-border);
  color: var(--os-text);
  text-shadow: 0 0 8px var(--os-accent-dim);
}

.winbox.entropyos-window .wb-title {
  color: var(--os-text);
  font-family: var(--os-font-family);
}

.winbox.entropyos-window .wb-control span,
.winbox.entropyos-window .wb-control:before,
.winbox.entropyos-window .wb-control:after {
  filter: drop-shadow(0 0 4px var(--os-accent-dim));
}

.winbox.entropyos-window .wb-body {
  background: var(--os-bg);
  color: var(--os-text-dim);
}

.entropyos-window-content {
  background-color: var(--os-bg);
  color: var(--os-text-dim);
  padding: 1rem;
  overflow: auto;
  height: 100%;
}

/* No Window Effects Mode */
.no-window-effects .winbox.entropyos-window {
  box-shadow: none !important;
  border-width: 1px !important;
}

.no-window-effects .winbox.entropyos-window.window-focused {
  box-shadow: 0 0 0 2px var(--os-accent-strong) !important;
}

/* Taskbar Styling */
#taskbar {
  z-index: 9999;
  border-top: 2px solid var(--os-border);
  background-color: var(--os-surface-deep);
  /* gray-900 */
}

/* Start Menu Styling */
#start-menu {
  border: 2px solid var(--os-border);
  background-color: var(--os-surface-deep);
  box-shadow: 0 -5px 20px var(--os-accent-dim);
  z-index: 10000;
}

/* Utilities */
.hidden {
  display: none !important;
}

.text-green-400 {
  color: #4ade80;
}

.bg-black {
  background-color: #000000;
}

/* Scanlines and effects */
/* Scanlines and effects */
#scanlines-overlay {
  background: linear-gradient(to bottom,
      rgba(255, 255, 255, 0),
      rgba(255, 255, 255, 0) 50%,
      rgba(0, 0, 0, 0.2) 50%,
      rgba(0, 0, 0, 0.2));
  background-size: 100% 4px;
  animation: scanline-move 10s linear infinite;
  z-index: 9998;
  /* Below taskbar/menus but above windows */
  pointer-events: none;
}

#flicker-overlay {
  background: rgba(18, 16, 16, 0.05);
  /* Very subtle base */
  opacity: 0.1;
  animation: flicker 0.15s infinite;
  z-index: 9998;
  pointer-events: none;
  mix-blend-mode: hard-light;
}

/* Old terminal-specific scanlines - kept for compatibility but overridden by global */
.scanlines::before {
  content: " ";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
  z-index: 2;
  background-size: 100% 2px, 3px 100%;
  pointer-events: none;
}


@layer utilities {

  /* Custom Color Utilities */
  .text-retro-green {
    color: #00ff00;
  }

  /* ... (color utilities continued) ... */
  /* [Note: I am retaining the rest of utilities block but focusing on effects here] */
  .text-retro-amber {
    color: #fbbf24;
  }

  .text-retro-blue {
    color: #00ffff;
  }

  .text-retro-pink {
    color: #ff00ff;
  }

  .text-retro-red {
    color: #ff0040;
  }

  .border-retro-green {
    border-color: #00ff00;
  }

  .border-retro-amber {
    border-color: #fbbf24;
  }

  .border-retro-blue {
    border-color: #00ffff;
  }

  .border-retro-pink {
    border-color: #ff00ff;
  }

  .border-retro-red {
    border-color: #ff0040;
  }

  .bg-retro-green {
    background-color: #00ff00;
  }

  .bg-retro-amber {
    background-color: #fbbf24;
  }

  .bg-retro-blue {
    background-color: #00ffff;
  }

  .bg-retro-pink {
    background-color: #ff00ff;
  }

  .bg-retro-red {
    background-color: #ff0040;
  }

  /* Typography */
  .font-retro {
    font-family: 'Press Start 2P', 'Courier New', monospace;
  }

  .tracking-retro {
    letter-spacing: 0.1em;
  }

  /* Layout Utilities */
  .full-height {
    min-height: 100vh;
  }

  /* Animation Classes */
  .typing-cursor::after {
    content: '_';
    animation: blink 1s infinite;
  }
}

/* Keyframe Animations */
@keyframes scanline-move {
  0% {
    background-position: 0 0;
  }

  100% {
    background-position: 0 100%;
  }
}

@keyframes scanline {
  0% {
    background-position: 0 0;
  }

  100% {
    background-position: 0 4px;
  }
}

@keyframes flicker {
  0% {
    opacity: 0.1;
  }

  50% {
    opacity: 0.15;
  }

  100% {
    opacity: 0.1;
  }
}

@keyframes blink {

  0%,
  50% {
    opacity: 1;
  }

  51%,
  100% {
    opacity: 0;
  }
}

@keyframes glow-pulse {

  0%,
  100% {
    box-shadow: 0 0 5px currentColor;
  }

  50% {
    box-shadow:
      0 0 20px currentColor,
      0 0 30px currentColor;
  }
}

/* Responsive Design for Retro Aesthetic */
/* Responsive Design for Retro Aesthetic */
@media (max-width: 768px) {
  .ascii-art {
    font-size: 0.6rem;
    line-height: 0.7;
  }

  .winbox.entropyos-window {
    max-width: 100vw;
    max-height: calc(100vh - 48px);
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {

  .scanlines::before,
  .flicker,
  .typing-cursor::after {
    animation: none;
  }
}

/* Print Styles */
@media print {
  .winbox.entropyos-window {
    border-color: #000000;
    background-color: #ffffff;
    color: #000000;
    box-shadow: none;
  }

  .glow-green,
  .glow-amber,
  .glow-red {
    text-shadow: none;
  }
}


/* Window Container */
#window-container {
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 50;
}

#window-container>* {
  pointer-events: auto;
}

.winbox.entropyos-window .wb-header .wb-control {
  float: right;
  height: 100%;
}

.winbox.entropyos-window .wb-header .wb-drag {
  display: block;
  height: 100%;
  padding-left: 10px;
  cursor: move;
}

.winbox.entropyos-window .wb-header .wb-title {
  display: block;
  height: 35px;
  line-height: 35px;
}

.desktop-icon {
  touch-action: none;
  user-select: none;
}

.desktop-icon-dragging {
  z-index: 20;
  background: rgba(74, 222, 128, 0.12);
  outline: 1px solid var(--os-accent-muted);
  box-shadow: 0 0 16px var(--os-accent-dim);
}

.winbox.entropyos-window.window-focused {
  box-shadow:
    0 0 0 2px var(--os-accent-strong),
    0 0 20px var(--os-accent-strong),
    inset 0 0 20px rgba(0, 0, 0, 0.5);
}

.winbox.entropyos-window.window-unfocused {
  filter: saturate(0.78) brightness(0.86);
}

.winbox.entropyos-window.window-minimized {
  opacity: 0.68;
}

.winbox.entropyos-window.window-maximized {
  border-radius: 0;
  box-shadow: inset 0 0 18px rgba(0, 0, 0, 0.45);
}

.winbox.entropyos-window.entropyos-dialog-window {
  border-color: var(--os-accent-muted);
}

.winbox.entropyos-window ::-webkit-scrollbar,
.entropyos-window-content::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.winbox.entropyos-window ::-webkit-scrollbar-track,
.entropyos-window-content::-webkit-scrollbar-track {
  background: var(--os-surface-deep);
}

.winbox.entropyos-window ::-webkit-scrollbar-thumb,
.entropyos-window-content::-webkit-scrollbar-thumb {
  background: var(--os-accent-dim);
  border: 1px solid var(--os-border);
}


@layer utilities {

  /* Prevent text selection during drag */
  .no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
}

/* Keyframes for animations */
@keyframes pulse-border {

  0%,
  100% {
    border-opacity: 1;
    background-opacity: 0.2;
  }

  50% {
    border-opacity: 0.5;
    background-opacity: 0.1;
  }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

@keyframes fadeInSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Attachment UI ──────────────────────────────────────────────────────── */

.attach-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #0d1a0d;
  border: 1px solid #1a3a1a;
  border-radius: 3px;
  padding: 2px 6px;
  font-family: monospace;
  font-size: 11px;
  color: #888;
  max-width: 200px;
}

.attach-staging-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px 6px;
  border-top: 1px solid #0d1f0d;
  background: #050f05;
}

.attach-img-preview {
  max-width: 200px;
  max-height: 150px;
  border: 1px solid #1a2a1a;
  border-radius: 3px;
  cursor: pointer;
  display: block;
}

.attach-section {
  margin-top: 6px;
  border-top: 1px solid #1a2a1a;
  padding-top: 5px;
}

.attach-picker-popup {
  background: #0a120a;
  border: 1px solid #1a3a1a;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.8);
  z-index: 200;
}

.attach-source-btn {
  background: transparent;
  border: 1px solid #333;
  color: #666;
  padding: 3px 7px;
  cursor: pointer;
  font-family: monospace;
  font-size: 11px;
  border-radius: 2px;
}

.attach-source-btn:hover {
  color: #00ff00;
  border-color: #00ff00;
}

.attach-download-btn {
  background: transparent;
  border: 1px solid #1a3a1a;
  color: #555;
  padding: 2px 6px;
  cursor: pointer;
  font-size: 10px;
  font-family: monospace;
  border-radius: 2px;
}

.attach-download-btn:hover {
  color: #00ff00;
  border-color: #00ff00;
}