/* a1-desktop.css — A1 OS Desktop Interface
   Ephergent Relay Station 7-B
   Design: OS X Puma meets The Gibson (Hackers)
   No frameworks. Pure CSS.
*/

/* === CSS CUSTOM PROPERTIES === */
:root {
  /* Core Dark Foundation */
  --bg: #1a1a1a;
  --bg-deep: #111111;
  --surface: #242424;
  --surface-alt: #2e2e2e;
  --surface-inset: #1e1e1e;
  --border: #3a3a3a;
  --border-subtle: #2a2a2a;

  /* A1 Brass Accent (Warm Gold) */
  --brass: #b8860b;
  --brass-bright: #daa520;
  --brass-dim: #8b6914;
  --brass-glow: rgba(218, 165, 32, 0.2);

  /* Signal Amber */
  --signal: #ffb000;
  --signal-dim: #996600;
  --signal-glow: rgba(255, 176, 0, 0.13);

  /* Functional */
  --cyan: #00b4d8;
  --green: #33ff33;
  --red: #ff3333;
  --text: #e8e8e8;
  --text-dim: #888888;
  --text-muted: #555555;

  /* Coffee States */
  --coffee-bright: #f4d03f;
  --coffee-dark: #5d4037;
  --coffee-sweet: #c9a227;
  --coffee-floral: #9b59b6;
  --coffee-cold: #4a90a4;

  /* Window Controls (OS X Puma) */
  --win-close: #ff5f57;
  --win-minimize: #ffbd2e;
  --win-zoom: #28c840;

  /* Spacing (4pt base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-9: 36px;
  --space-10: 40px;
  --space-12: 48px;

  /* Typography Scale */
  --text-xs: 11px;
  --text-sm: 13px;
  --text-base: 14px;
  --text-lg: 16px;
  --text-xl: 20px;
  --text-2xl: 28px;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.4), 0 12px 24px rgba(0, 0, 0, 0.3);
  --shadow-window: 0 8px 32px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3);

  /* Motion */
  --ease-out: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);

  /* Animation Durations */
  --duration-fast: 100ms;
  --duration-normal: 150ms;
  --duration-slow: 200ms;
  --duration-enter: 200ms;
  --duration-exit: 150ms;

  /* Layout */
  --menu-height: 28px;
  --dock-height: 72px;
  --status-height: 36px;
  --titlebar-height: 32px;
  --toolbar-height: 36px;
}

/* === RESET === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* === BASE === */
html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
  font-size: var(--text-base);
  line-height: 1.5;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === SCROLLBAR (OS X Puma Style) === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #444;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #666;
}

::-webkit-scrollbar-corner {
  background: transparent;
}

/* === APP SHELL === */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: relative;
}

/* === MENU BAR === */
.menubar {
  height: var(--menu-height);
  background: linear-gradient(to bottom, #3a3a3a 0%, #2e2e2e 50%, #282828 100%);
  border-bottom: 1px solid #222;
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  flex-shrink: 0;
  position: relative;
  z-index: 100;
}

.menubar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.menubar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--brass-bright);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: -0.01em;
}

.menubar-logo svg {
  width: 16px;
  height: 16px;
}

.menubar-center {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: var(--space-1);
}

.menubar-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
  min-width: 0;
}

.menubar-right > * {
  flex-shrink: 0;
}

/* Menu items */
.menu-item {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  color: var(--text);
  cursor: default;
  border-radius: var(--radius-sm);
  position: relative;
  transition: background var(--duration-normal) var(--ease-out-quart),
              color var(--duration-normal) var(--ease-out-quart);
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--brass-bright);
}

.menu-item.active {
  background: var(--brass);
  color: var(--bg);
}

/* Dropdown menus */
.menu-dropdown {
  position: absolute;
  top: calc(var(--menu-height) - 2px);
  left: 0;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-1) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--duration-normal) var(--ease-out-quart),
              transform var(--duration-normal) var(--ease-out-quart),
              visibility var(--duration-normal);
  z-index: 200;
}

.menu-item:hover .menu-dropdown,
.menu-dropdown:hover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.menu-dropdown-item {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text);
  cursor: default;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--duration-normal) var(--ease-out-quart),
              padding-left var(--duration-normal) var(--ease-out-quart),
              color var(--duration-normal) var(--ease-out-quart);
}

.menu-dropdown-item:hover {
  background: var(--brass);
  color: var(--bg);
  padding-left: calc(var(--space-4) + 4px);
}

.menu-dropdown-item.disabled {
  color: var(--text-muted);
  pointer-events: none;
}

.menu-dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-1) 0;
}

.menu-shortcut {
  color: var(--text-dim);
  font-size: var(--text-xs);
}

.menu-dropdown-item:hover .menu-shortcut {
  color: var(--bg);
  opacity: 0.7;
}

/* Coffee State Indicator */
.coffee-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  cursor: default;
  position: relative;
}

.coffee-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coffee-bright);
  box-shadow: 0 0 6px var(--coffee-bright);
  animation: coffee-pulse 3s ease-in-out infinite;
  will-change: opacity;
}

.coffee-label {
  font-size: var(--text-xs);
  color: var(--text-dim);
}

@keyframes coffee-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Signal Indicator */
.signal-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.signal-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  animation: signal-pulse 4s ease-in-out infinite;
  will-change: opacity, transform;
}

@keyframes signal-pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

/* === DESKTOP === */
.desktop {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.desktop-area {
  flex: 1;
  padding: var(--space-8);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 100px));
  grid-template-rows: repeat(auto-fit, minmax(90px, 100px));
  gap: var(--space-6);
  align-content: start;
  justify-content: start;
  position: relative;
}

/* Desktop Icons */
.desktop-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  cursor: default;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--duration-normal) var(--ease-out-quart),
              transform var(--duration-fast) var(--ease-out-quart);
  user-select: none;
}

.desktop-icon:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: scale(1.05);
  box-shadow: 0 0 12px var(--brass-glow), 0 0 4px rgba(218, 165, 32, 0.15);
}

.desktop-icon:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--brass);
}

.desktop-icon:active {
  transform: scale(0.95);
}

.desktop-icon.selected {
  background: rgba(0, 180, 216, 0.15);
}

.desktop-icon.loading {
  pointer-events: none;
  opacity: 0.6;
}

.desktop-icon.disabled {
  pointer-events: none;
  opacity: 0.4;
}

.desktop-icon.error .desktop-icon-img {
  background: linear-gradient(135deg, var(--red) 0%, #aa2222 100%);
}

.desktop-icon-img {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-alt) 100%);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.desktop-icon-img svg {
  width: 36px;
  height: 36px;
}

.desktop-icon-label {
  font-size: var(--text-sm);
  color: var(--brass-bright);
  text-align: center;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* === WINDOWS === */
.windows-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 50;
}

.window {
  position: absolute;
  min-width: 320px;
  min-height: 240px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-window);
  display: flex;
  flex-direction: column;
  pointer-events: auto;
  opacity: 0;
  transform: scale(0.95);
  transition: opacity var(--duration-exit) var(--ease-out-quart),
              transform var(--duration-exit) var(--ease-out-quart);
}

.window.visible {
  opacity: 1;
  transform: scale(1);
  transition: opacity var(--duration-enter) var(--ease-out-quart),
              transform var(--duration-enter) var(--ease-out-quart);
}

.window.inactive {
  opacity: 0.85;
}

.window.focused {
  z-index: 60;
}

.window.focused .window-titlebar {
  background: linear-gradient(to bottom, #3a3a3a 0%, #2e2e2e 100%);
}

/* Title Bar */
.window-titlebar {
  height: var(--titlebar-height);
  background: linear-gradient(to bottom, #2e2e2e 0%, #282828 100%);
  border-bottom: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  cursor: move;
  flex-shrink: 0;
}

.window-controls {
  display: flex;
  gap: var(--space-2);
  margin-right: var(--space-3);
}

.window-control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  cursor: default;
  transition: all var(--duration-normal) var(--ease-out-quart);
  position: relative;
}

.window-control::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out-quart);
}

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

.window-control.close {
  background: var(--win-close);
}
.window-control.close:hover::after {
  box-shadow: 0 0 8px 2px var(--win-close);
}

.window-control.minimize {
  background: var(--win-minimize);
}
.window-control.minimize:hover::after {
  box-shadow: 0 0 8px 2px var(--win-minimize);
}

.window-control.zoom {
  background: var(--win-zoom);
}
.window-control.zoom:hover::after {
  box-shadow: 0 0 8px 2px var(--win-zoom);
}

.window-control:active {
  transform: scale(0.9);
}

.window-control:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--brass);
}

.window-title {
  flex: 1;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text);
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  padding: 0 var(--space-2);
}

.window-toolbar {
  height: var(--toolbar-height);
  background: linear-gradient(to bottom, #333 0%, #2a2a2a 100%);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  gap: var(--space-2);
  flex-shrink: 0;
}

.toolbar-btn {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-dim);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: default;
  transition: all var(--duration-normal) var(--ease-out-quart);
}

.toolbar-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.08);
  transform: scale(1.02);
}

.toolbar-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--brass);
}

.toolbar-btn:active {
  background: rgba(255, 255, 255, 0.15);
  transform: scale(0.97);
}

.toolbar-btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}

.toolbar-btn.loading {
  pointer-events: none;
  opacity: 0.6;
}

.toolbar-separator {
  width: 1px;
  height: 16px;
  background: var(--border);
}

.toolbar-breadcrumb {
  font-size: var(--text-xs);
  color: var(--text-dim);
}

/* Window Content */
.window-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--bg);
  padding: var(--space-5);
}

.window-statusbar {
  height: 24px;
  background: var(--surface-alt);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-dim);
  flex-shrink: 0;
}

/* Window Resize Handles */
.window-resize {
  position: absolute;
  background: transparent;
}

.window-resize.n { top: 0; left: 8px; right: 8px; height: 4px; cursor: n-resize; }
.window-resize.s { bottom: 0; left: 8px; right: 8px; height: 4px; cursor: s-resize; }
.window-resize.e { right: 0; top: 8px; bottom: 8px; width: 4px; cursor: e-resize; }
.window-resize.w { left: 0; top: 8px; bottom: 8px; width: 4px; cursor: w-resize; }
.window-resize.ne { top: 0; right: 0; width: 8px; height: 8px; cursor: ne-resize; }
.window-resize.nw { top: 0; left: 0; width: 8px; height: 8px; cursor: nw-resize; }
.window-resize.se { bottom: 0; right: 0; width: 8px; height: 8px; cursor: se-resize; }
.window-resize.sw { bottom: 0; left: 0; width: 8px; height: 8px; cursor: sw-resize; }

/* === DOCK === */
.dock {
  height: var(--dock-height);
  background: linear-gradient(to top, rgba(30, 30, 30, 0.95) 0%, rgba(20, 20, 20, 0.9) 100%);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--space-2) var(--space-6);
  gap: var(--space-2);
  flex-shrink: 0;
  position: relative;
  z-index: 90;
}

.dock-separator {
  width: 1px;
  height: 48px;
  background: var(--border);
  margin: 0 var(--space-2);
}

.dock-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-alt) 100%);
  border-radius: 12px;
  cursor: default;
  transition: transform var(--duration-normal) var(--ease-out-quart),
              box-shadow var(--duration-normal) var(--ease-out-quart);
  position: relative;
}

.dock-icon:hover {
  transform: scale(1.15) translateY(-4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.dock-icon:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--brass);
}

.dock-icon:active {
  transform: scale(0.95) translateY(0);
}

.dock-icon.active::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brass-bright);
}

.dock-icon.playing::before {
  background: var(--signal);
}

.dock-icon.loading {
  pointer-events: none;
  opacity: 0.6;
}

.dock-icon.disabled {
  pointer-events: none;
  opacity: 0.4;
}

.dock-icon.error {
  --icon-error-color: var(--red);
}

.dock-icon.error::before {
  background: var(--red);
}

.dock-icon svg {
  width: 28px;
  height: 28px;
}

/* === STATUS BAR === */
.statusbar {
  height: var(--status-height);
  background: var(--surface-alt);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-4);
  gap: var(--space-4);
  flex-shrink: 0;
  z-index: 80;
}

.status-transport {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.transport-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: default;
  color: var(--text-dim);
  transition: all var(--duration-fast) var(--ease-out-quart);
}

.transport-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
}

.transport-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--brass);
}

.transport-btn:active {
  transform: scale(0.92);
  background: rgba(255, 255, 255, 0.15);
}

.transport-btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}

.transport-btn.loading {
  pointer-events: none;
  opacity: 0.6;
}

.transport-btn.play {
  width: 44px;
  height: 44px;
  background: var(--brass);
  color: var(--bg);
  transition: all var(--duration-normal) var(--ease-out-quart);
}

.transport-btn.play:hover {
  background: var(--brass-bright);
  transform: scale(1.05);
}

.transport-btn.play:active {
  transform: scale(0.95);
  filter: brightness(0.92);
}

.transport-btn.play:disabled {
  opacity: 0.4;
  pointer-events: none;
}

.transport-btn.play.loading {
  pointer-events: none;
  opacity: 0.6;
}

.transport-btn svg {
  width: 14px;
  height: 14px;
}

.status-nowplaying {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  overflow: hidden;
}

.nowplaying-info {
  overflow: hidden;
}

.nowplaying-title {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nowplaying-meta {
  font-size: var(--text-xs);
  color: var(--text-dim);
}

.status-waveform {
  width: 200px;
  height: 24px;
  display: flex;
  align-items: center;
  gap: 1px;
  overflow: hidden;
}

.waveform-bar {
  flex: 1;
  background: var(--brass-dim);
  border-radius: 1px;
  transition: transform var(--duration-fast) var(--ease-out-quart),
              background-color var(--duration-normal) var(--ease-out-quart);
  will-change: transform;
}

.status-time {
  font-size: var(--text-xs);
  font-family: "SF Mono", "Fira Code", monospace;
  color: var(--text-dim);
  white-space: nowrap;
}

.status-coffee {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.coffee-state-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coffee-bright);
}

.coffee-state-text {
  font-size: var(--text-xs);
  color: var(--text-dim);
}

/* === CONTENT STYLES === */

/* Transmission Reader */
.transmission-reader {
  padding: var(--space-6);
  max-width: 65ch;
  margin: 0 auto;
}

.transmission-header {
  margin-bottom: var(--space-6);
}

.transmission-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--brass-bright);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.transmission-meta {
  font-size: var(--text-xs);
  color: var(--text-dim);
  display: flex;
  gap: var(--space-4);
}

.transmission-body {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text);
}

.transmission-body p {
  margin-bottom: var(--space-4);
}

.transmission-body h2 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text);
  margin: var(--space-6) 0 var(--space-3);
}

.transmission-body h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--brass);
  margin: var(--space-5) 0 var(--space-2);
}

.transmission-body em {
  color: var(--signal);
  font-style: italic;
}

.transmission-body strong {
  font-weight: 600;
  color: var(--text);
}

.transmission-coffee-note {
  padding: var(--space-3) var(--space-4);
  background: var(--brass-glow);
  border-left: 2px solid var(--brass);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: var(--space-4) 0;
  font-style: italic;
  color: var(--brass-bright);
}

.transmission-signal-voice {
  color: var(--signal);
  font-style: italic;
  padding: var(--space-2) 0;
}

/* === BUTTONS === */
.btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: default;
  transition: all var(--duration-normal) var(--ease-out-quart);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--brass);
}

.btn:active {
  transform: translateY(0) scale(0.98);
  filter: brightness(0.95);
}

.btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}

.btn.loading {
  pointer-events: none;
  opacity: 0.6;
}

.btn.error {
  border-color: var(--red);
  color: var(--red);
}

.btn.success {
  border-color: var(--green);
  color: var(--green);
}

.btn-primary {
  background: var(--brass);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--brass-bright);
}

.btn-primary:active {
  filter: brightness(0.95);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-dim);
}

/* === FOCUS STATES === */
*:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--brass);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  :root {
    --dock-height: 60px;
    --status-height: 32px;
  }

  .desktop-area {
    padding: var(--space-4);
    grid-template-columns: repeat(auto-fit, minmax(70px, 80px));
    grid-template-rows: repeat(auto-fit, minmax(80px, 90px));
    gap: var(--space-5);
  }

  .desktop-icon-img {
    width: 52px;
    height: 52px;
  }

  .desktop-icon-img svg {
    width: 28px;
    height: 28px;
  }

  .desktop-icon-label {
    font-size: var(--text-xs);
  }

  .status-waveform {
    display: none;
  }

  .dock {
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
  }

  .dock-icon {
    width: 42px;
    height: 42px;
  }

  .dock-icon svg {
    width: 24px;
    height: 24px;
  }

  .window-content {
    padding: var(--space-4);
  }

  .coffee-label {
    display: none;
  }

  .menubar-center {
    display: none;
  }

  .menubar-right {
    gap: var(--space-3);
  }

  /* Touch targets minimum 44x44px on mobile */
  .transport-btn,
  .dock-icon,
  .desktop-icon,
  .toolbar-btn {
    min-width: 44px;
    min-height: 44px;
  }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .coffee-dot,
  .signal-dot {
    animation: none;
  }
}

/* === SCANLINES (Optional) === */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 1px,
    rgba(0, 0, 0, 0.15) 1px,
    rgba(0, 0, 0, 0.15) 2px
  );
  z-index: 9999;
  opacity: 0.08;
}

.scanlines.active {
  animation: scanline-flicker 8s ease-in-out infinite;
}

@keyframes scanline-flicker {
  0%, 100% { opacity: 0.08; }
  50% { opacity: 0.05; }
  92% { opacity: 0.08; }
  93% { opacity: 0.03; }
  94% { opacity: 0.08; }
}

/* === ANIMATIONS === */

/* Modal Overlay */
@keyframes modal-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modal-scale-in {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(-4px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Toast Notifications */
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  to {
    opacity: 0;
    transform: translateX(-50%) translateY(-8px);
  }
}

/* Boot Sequence */
@keyframes boot-pulse {
  0% {
    opacity: 0;
    transform: scale(0.98);
  }
  50% {
    opacity: 0.8;
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.boot-sequence .desktop-icon {
  animation: boot-pulse 400ms var(--ease-out-quart) forwards;
  opacity: 0;
}

.boot-sequence .desktop-icon:nth-child(1) { animation-delay: 50ms; }
.boot-sequence .desktop-icon:nth-child(2) { animation-delay: 100ms; }
.boot-sequence .desktop-icon:nth-child(3) { animation-delay: 150ms; }
.boot-sequence .desktop-icon:nth-child(4) { animation-delay: 200ms; }
.boot-sequence .desktop-icon:nth-child(5) { animation-delay: 250ms; }
.boot-sequence .desktop-icon:nth-child(6) { animation-delay: 300ms; }

/* Window minimize animation */
.window.minimizing {
  opacity: 0;
  transform: scale(0.8) translateY(20px);
  transition: opacity var(--duration-exit) var(--ease-out-quart),
              transform var(--duration-exit) var(--ease-out-quart);
}

/* Transmission list item hover */
.transmission-list-item {
  transition: background var(--duration-normal) var(--ease-out-quart),
              transform var(--duration-fast) var(--ease-out-quart);
}

.transmission-list-item:hover {
  background: var(--surface-alt);
  transform: translateX(2px);
}