/* ══════════════════════════════════════════
   Retro Game Emulator Stylesheet
   ══════════════════════════════════════════ */

.emu-suite-wrap {
  width: 100%;
}

.emu-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 900px) {
  .emu-grid {
    grid-template-columns: 1fr;
  }
}

/* TV Cabinet Frame */
.emu-tv-cabinet {
  background: linear-gradient(135deg, #2a2e35, #121417);
  border: 10px solid #1a1c1e;
  border-radius: 20px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5), 
              0 0 0 1px rgba(255, 255, 255, 0.05),
              inset 0 4px 10px rgba(255, 255, 255, 0.1);
  padding: 16px;
  margin-bottom: 20px;
  position: relative;
}

.emu-screen-bezel {
  background: #0d0f12;
  border-radius: 12px;
  padding: 12px;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.emu-tv-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  padding: 0 4px;
}

/* Power LED Indicator */
.emu-power-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef4444;
  box-shadow: 0 0 6px #ef4444;
  transition: all 0.3s;
}

.emu-power-led.active {
  background: #22c55e;
  box-shadow: 0 0 10px #22c55e, 0 0 20px #22c55e;
}

.emu-tv-brand {
  font-family: 'Courier New', Courier, monospace;
  font-size: 11px;
  font-weight: 900;
  color: #64748b;
  letter-spacing: 0.1em;
}

.emu-tv-status {
  margin-left: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: #3b82f6;
  text-shadow: 0 0 4px rgba(59, 130, 246, 0.4);
}

/* Screen Container */
#nes-screen-container {
  width: 100%;
  aspect-ratio: 256/240;
  background: #000;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: inset 0 0 30px rgba(0,0,0,0.9);
  position: relative;
}

/* CRT Screen Scanlines / Curved glass effect */
#nes-screen-container::after {
  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));
  background-size: 100% 3px, 6px 100%;
  z-index: 10;
  pointer-events: none;
  opacity: 0.15;
}

#nes-screen-container canvas {
  width: 100% !important;
  height: 100% !important;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  display: block;
}

/* Console Control Buttons */
.emu-tv-controls {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  padding: 0 6px;
}

.emu-btn-console {
  background: #334155;
  border: 1px solid #475569;
  border-radius: 6px;
  color: #e2e8f0;
  padding: 6px 12px;
  font-size: 10px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
  transition: all 0.2s;
}

.emu-btn-console:hover:not(:disabled) {
  background: #475569;
  border-color: #64748b;
  color: #fff;
}

.emu-btn-console:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: none;
}

.emu-btn-console:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

#emuBtnPower {
  border-color: #f87171;
  color: #f87171;
  background: rgba(248, 113, 113, 0.05);
}

#emuBtnPower:hover {
  background: #ef4444;
  color: #fff;
  border-color: #ef4444;
}

/* Virtual Gamepad */
.emu-gamepad {
  background: #d1d5db;
  border: 4px solid #9ca3af;
  border-radius: 16px;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

/* D-Pad Style */
.emu-dpad {
  width: 90px;
  height: 90px;
  position: relative;
  flex-shrink: 0;
}

.emu-dpad-btn {
  position: absolute;
  background: #1f2937;
  color: #9ca3af;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  box-shadow: 0 2px 4px rgba(0,0,0,0.4);
  transition: background 0.1s;
}

.emu-dpad-btn:active {
  background: #000;
  color: #fff;
}

.emu-dpad-up {
  width: 30px; height: 32px;
  top: 0; left: 30px;
  border-radius: 4px 4px 0 0;
}

.emu-dpad-down {
  width: 30px; height: 32px;
  bottom: 0; left: 30px;
  border-radius: 0 0 4px 4px;
}

.emu-dpad-left {
  width: 32px; height: 30px;
  top: 30px; left: 0;
  border-radius: 4px 0 0 4px;
}

.emu-dpad-right {
  width: 32px; height: 30px;
  top: 30px; right: 0;
  border-radius: 0 4px 4px 0;
}

.emu-dpad-center {
  width: 30px; height: 30px;
  top: 30px; left: 30px;
  background: #1f2937;
  box-shadow: none;
  cursor: default;
}

/* Center System Buttons */
.emu-gamepad-center {
  display: flex;
  gap: 16px;
  align-items: center;
}

.emu-center-btn-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.emu-center-btn-wrap label {
  font-size: 8px;
  font-weight: 800;
  color: #4b5563;
  font-family: 'JetBrains Mono', monospace;
}

.emu-sys-btn {
  width: 38px;
  height: 12px;
  background: #7b7f87;
  border-radius: 6px;
  border: 1px solid #4b5563;
  cursor: pointer;
  box-shadow: inset 0 2px 2px rgba(0,0,0,0.5);
}

.emu-sys-btn:active {
  background: #1f2937;
}

/* Action Buttons A / B */
.emu-action-buttons {
  display: flex;
  gap: 12px;
  transform: rotate(-10deg);
}

.emu-action-btn-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.emu-action-btn-wrap label {
  font-size: 8px;
  font-weight: 800;
  color: #4b5563;
  font-family: 'JetBrains Mono', monospace;
  transform: rotate(10deg);
  margin-top: 4px;
}

.emu-action-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #b91c1c;
  border: 3px solid #1f2937;
  color: #fff;
  font-weight: 900;
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  box-shadow: 0 3px 0 #7f1d1d, 0 4px 6px rgba(0,0,0,0.4);
}

.emu-action-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #7f1d1d, 0 1px 2px rgba(0,0,0,0.4);
}

/* Help Box */
.emu-keyboard-help {
  margin-top: 14px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
}

.emu-help-tag {
  color: var(--accent-blue);
  font-weight: 700;
  margin-right: 6px;
}

/* Library Column */
.emu-library-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.emu-game-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 420px;
  overflow-y: auto;
  padding-right: 4px;
}

.emu-game-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.2s;
}

.emu-game-card:hover {
  border-color: rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
}

.emu-game-thumb {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  flex-shrink: 0;
}

.emu-game-info {
  flex: 1;
}

.emu-game-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
}

.emu-game-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
}

.emu-play-btn {
  font-size: 10px;
  padding: 6px 12px;
  background: #2563eb;
}

/* Upload Box */
.emu-upload-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  padding: 18px;
  text-align: center;
  transition: border-color 0.2s;
}

.emu-upload-box:hover {
  border-color: var(--accent-blue);
}

.emu-upload-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.emu-upload-desc {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}
}

/* ── Screen Wrapper and Overlay HUD ── */
.emu-screen-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 256/240;
  border-radius: 6px;
  overflow: hidden;
  background: #000;
}

/* Standby Screen */
.emu-screen-standby {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at center, #1b2028 0%, #0d0f12 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  z-index: 5;
  color: #64748b;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.8);
  transition: opacity 0.3s ease;
}

.emu-standby-inner {
  max-width: 280px;
}

.emu-standby-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 800;
  color: #3b82f6;
  text-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
  margin-bottom: 12px;
}

.emu-standby-text {
  font-size: 11px;
  line-height: 1.5;
  color: #64748b;
}

/* Floating HUD on Screen */
.emu-screen-hud {
  position: absolute;
  top: 10px;
  right: 10px;
  display: none; /* Shown dynamically when game is running */
  gap: 8px;
  z-index: 20; /* Draw on top of canvas & scanlines */
  pointer-events: auto;
  opacity: 0.3;
  transition: opacity 0.2s ease-in-out;
}

.emu-screen-wrapper:hover .emu-screen-hud {
  opacity: 1.0;
}

.emu-hud-btn {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  padding: 6px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  transition: all 0.2s;
}

.emu-hud-btn:hover {
  background: #2563eb;
  border-color: #60a5fa;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.6);
}

.emu-hud-btn.btn-danger-hud:hover {
  background: #dc2626;
  border-color: #f87171;
  box-shadow: 0 0 10px rgba(220, 38, 38, 0.6);
}

.emu-hud-btn:active {
  transform: translateY(1px);
}

/* ── Start Game Prompt Overlay ── */
.emu-screen-start-prompt {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none; /* Shown dynamically when game is loaded */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  z-index: 15;
  cursor: pointer;
  animation: fadeInPrompt 0.2s ease-out;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.9);
}

@keyframes fadeInPrompt {
  from { opacity: 0; }
  to { opacity: 1; }
}

.emu-prompt-inner {
  max-width: 290px;
  transform: scale(0.95);
  animation: popInPrompt 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

@keyframes popInPrompt {
  to { transform: scale(1); }
}

.emu-prompt-icon {
  font-size: 36px;
  animation: bouncePrompt 1s infinite alternate cubic-bezier(0.455, 0.03, 0.515, 0.955);
}

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

.emu-prompt-title {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.emu-prompt-desc {
  font-size: 11px;
  color: #a7f3d0;
  background: rgba(16, 185, 129, 0.12);
  border: 1px dashed rgba(16, 185, 129, 0.3);
  padding: 10px 14px;
  border-radius: 8px;
  line-height: 1.5;
  text-align: left;
}

.emu-prompt-btn {
  background: #10b981;
  color: white;
  border: none;
  border-radius: 20px;
  padding: 8px 20px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
  transition: all 0.2s;
  font-family: 'JetBrains Mono', monospace;
}

.emu-prompt-btn:hover {
  background: #059669;
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(5, 150, 105, 0.4);
}

/* ── Mobile Layout & Optimization Media Queries ── */
@media (max-width: 768px) {
  .emu-screen-hud {
    opacity: 0.85; /* Highly visible by default on mobile touchscreens */
  }
}

@media (max-width: 480px) {
  .emu-gamepad {
    padding: 16px 12px;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  .emu-gamepad-center {
    order: 3; /* Move Select/Start to the bottom row for gameboy controller ergonomics */
    width: 100%;
    justify-content: center;
    margin-top: 10px;
  }
  .emu-keyboard-help {
    display: none; /* Hide keyboard shortcut help box on mobile devices */
  }
  .emu-prompt-inner {
    max-width: 90%;
  }
}

/* ── Hardware Acceleration & Touch Optimization ── */
#nes-screen-container canvas {
  image-rendering: pixelated !important;
  image-rendering: crisp-edges !important;
  transform: translate3d(0, 0, 0) !important;
  -webkit-transform: translate3d(0, 0, 0) !important;
  backface-visibility: hidden !important;
  -webkit-backface-visibility: hidden !important;
  perspective: 1000 !important;
}

/* Touch responsiveness safety to prevent double-tap zoom delay */
.emu-gamepad, 
.emu-dpad-btn, 
.emu-action-btn, 
.emu-sys-btn {
  touch-action: none !important;
  user-select: none !important;
  -webkit-user-select: none !important;
}

/* Tactile tactile response styles using js-toggled active classes */
.emu-dpad-btn:active, 
.emu-dpad-btn.active {
  background: #3b82f6 !important;
  color: #fff !important;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.8) !important;
  transform: scale(0.96);
}

.emu-sys-btn:active, 
.emu-sys-btn.active {
  background: #1f2937 !important;
  transform: translateY(1px);
}

.emu-action-btn:active, 
.emu-action-btn.active {
  transform: translateY(2px) scale(0.95);
  box-shadow: 0 1px 0 #7f1d1d, 0 1px 2px rgba(0,0,0,0.4);
  background: #dc2626 !important;
  box-shadow: 0 0 12px rgba(220, 38, 38, 0.6) !important;
}

/* ── Light Mode Overrides ── */
:root[data-theme="light"] .emu-keyboard-help {
  background: rgba(0, 0, 0, 0.02);
}
:root[data-theme="light"] .emu-game-card {
  background: var(--bg-secondary);
  border-color: var(--border);
}
:root[data-theme="light"] .emu-game-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}
:root[data-theme="light"] .emu-upload-box {
  background: rgba(0, 0, 0, 0.01);
  border-color: var(--border);
}
:root[data-theme="light"] .emu-tv-cabinet {
  background: linear-gradient(135deg, #e5e7eb, #d1d5db);
  border-color: #9ca3af;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}
:root[data-theme="light"] .emu-screen-bezel {
  background: #f3f4f6;
  border-color: #d1d5db;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.05);
}
:root[data-theme="light"] .emu-tv-brand {
  color: var(--text-secondary);
}
:root[data-theme="light"] .emu-tv-status {
  color: var(--accent-blue);
  text-shadow: none;
}
:root[data-theme="light"] .emu-gamepad {
  background: #e5e7eb;
  border-color: #d1d5db;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}
:root[data-theme="light"] .emu-dpad-center {
  background: #9ca3af;
}
:root[data-theme="light"] .emu-sys-btn {
  background: #9ca3af;
  border-color: #4b5563;
}
:root[data-theme="light"] .emu-action-btn {
  border-color: #9ca3af;
}