/* -------------------------------------------------------------
 * Chrome Built-in AI Chat Translator
 * 8-Bit Retro Arcade Theme Stylesheet
 * Supports Light & Dark Modes with Custom Grids
 * ------------------------------------------------------------- */

/* Design Tokens & Variables */
:root {
  /* Fonts */
  --font-arcade: 'Press Start 2P', monospace;
  --font-readable: 'VT323', monospace;

  /* Arcade Colors (Static NES/Sega Constants) */
  --color-red: #ff3333;
  --color-green: #33ff33;
  --color-blue: #3b82f6;

  /* Theme-Dependent Variables (Dark Mode Default) */
  --bg-dark: #0d081b;
  --bg-card: #181232;
  --bg-input: #ffffff;
  --text-light: #ffffff;
  --text-dark: #000000;
  --text-muted: #887a9c;

  --color-gold: #ffcc00;
  --color-cyan: #00f0ff;
  --color-magenta: #ff007f;
  --color-panel-bg: rgba(0, 0, 0, 0.4);
  --color-crt-opacity: 0.15;
  --color-scrollbar-thumb: var(--color-gold);
  --color-scrollbar-track: #000000;
  
  /* Neon Grid Background for Arcade at Night */
  --bg-grid: linear-gradient(to right, rgba(0, 240, 255, 0.05) 1px, transparent 1px), 
             linear-gradient(to bottom, rgba(0, 240, 255, 0.05) 1px, transparent 1px);
  --bg-grid-size: 40px 40px;
}

/* Light Theme Variables (Classic Console/Handheld Style) */
.light-theme {
  --bg-dark: #e2ded0; /* Creamy portable console plastic */
  --bg-card: #ebd9c3; /* Soft plastic cartridge shell */
  --bg-input: #ffffff;
  --text-light: #000000;
  --text-dark: #000000;
  --text-muted: #5e526e;

  --color-gold: #d97706; /* Darker amber for contrast */
  --color-cyan: #0066cc; /* High-contrast blue */
  --color-magenta: #c0005a; /* Deep pink */
  --color-panel-bg: rgba(255, 255, 255, 0.45);
  --color-crt-opacity: 0.05;
  --color-scrollbar-thumb: var(--color-gold);
  --color-scrollbar-track: #ffffff;
  
  /* Vintage Dot-Grid Background (Manual Grid Paper) */
  --bg-grid: radial-gradient(rgba(0, 0, 0, 0.12) 15%, transparent 15%);
  --bg-grid-size: 20px 20px;
}

/* CRT Screen Scanline Overlay */
.crt-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.35) 50%
  );
  background-size: 100% 4px;
  z-index: 9999;
  pointer-events: none;
  opacity: var(--color-crt-opacity);
}

/* Reset and Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg-dark);
  background-image: var(--bg-grid);
  background-size: var(--bg-grid-size);
  color: var(--text-light);
  font-family: var(--font-readable);
  font-size: 1.35rem;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: stretch;
  padding: 1.5rem 0;
  image-rendering: pixelated;
  transition: background-color 0.3s ease;
}

/* Scrollbars - Pixelated Block Style */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}
::-webkit-scrollbar-track {
  background: var(--color-scrollbar-track);
  border-left: 4px solid var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: var(--color-scrollbar-thumb);
  border: 3px solid #000000;
}
::-webkit-scrollbar-thumb:hover {
  background: #ff8800;
}

/* Main Container */
.app-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 1400px;
  padding: 0 1.5rem;
  gap: 1.5rem;
  margin: 0 auto;
}

/* Retro Header */
.app-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  border: 4px double var(--text-light);
  background: var(--color-panel-bg);
  padding: 1.5rem;
  box-shadow: 6px 6px 0px #000;
  backdrop-filter: blur(4px);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-container h1 {
  font-family: var(--font-arcade);
  font-size: 2rem;
  color: var(--color-gold);
  text-shadow: 4px 4px 0px var(--color-magenta);
  letter-spacing: 0.05em;
  margin: 0.5rem 0;
}

.pixel-sparkle {
  font-size: 2.25rem;
  animation: float 2s steps(4) infinite;
}

.subtitle {
  font-family: var(--font-arcade);
  color: var(--color-cyan);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

/* Theme Toggle Switched Box */
.theme-toggle-container {
  margin-top: 0.4rem;
}

#theme-toggle {
  font-size: 0.55rem !important;
  border-color: var(--text-light) !important;
}

/* API Self-Test Diagnostics Dashboard */
.api-dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
  width: 100%;
  max-width: 900px;
  margin-top: 1.5rem;
}

.api-status-card {
  background: var(--bg-card);
  border: 4px solid #000;
  padding: 1.25rem;
  box-shadow: 4px 4px 0px #000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: left;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid #000;
  padding-bottom: 0.4rem;
}

.card-header h3 {
  font-family: var(--font-arcade);
  font-size: 0.7rem;
  color: var(--text-light);
}

.status-badge {
  font-family: var(--font-arcade);
  font-size: 0.6rem;
  padding: 0.3rem 0.6rem;
  border: 2px solid #000;
}

.status-checking { background: var(--color-blue); color: #fff; }
.status-available { background: var(--color-green); color: #000; }
.status-downloadable { background: var(--color-gold); color: #000; }
.status-downloading { background: var(--color-magenta); color: #fff; animation: blink 0.5s steps(2) infinite; }
.status-unavailable { background: var(--color-red); color: #fff; }

.status-desc {
  font-family: var(--font-readable);
  font-size: 1.15rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Health Bar Loader Styles */
.progress-bar-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.health-label {
  font-family: var(--font-arcade);
  font-size: 0.6rem;
  color: var(--color-gold);
}

.progress-bar-border {
  flex: 1;
  border: 3px solid #000;
  background: var(--bg-dark);
  padding: 2px;
  height: 20px;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: var(--color-green);
  transition: width 0.15s steps(10);
}

/* System failure / flags instructions drawer */
.flag-instructions {
  background: rgba(239, 68, 68, 0.1);
  border: 4px solid var(--color-red);
  padding: 1.25rem;
  max-width: 900px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: 4px 4px 0px #000;
}

.flag-instructions p {
  font-family: var(--font-arcade);
  font-size: 0.7rem;
  color: var(--color-red);
  line-height: 1.4;
}

.flag-instructions ul {
  padding-left: 1.5rem;
  font-size: 1.15rem;
  color: var(--text-light);
  list-style: square;
}

.flag-instructions li {
  margin-bottom: 0.4rem;
}

.flag-code {
  background: var(--color-red);
  color: #ffffff;
  padding: 0 0.3rem;
  font-family: var(--font-arcade);
  font-size: 0.6rem;
  word-break: break-all;
}

.light-theme .flag-code {
  color: #000;
}

.small-hint {
  font-family: var(--font-readable) !important;
  font-size: 1rem !important;
  color: var(--text-muted) !important;
}

/* Play Area Workspace */
.chat-workspace {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  flex: 1;
  min-height: 550px;
}

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

.chat-panel {
  background: var(--bg-card);
  border: 4px solid #000;
  box-shadow: 6px 6px 0px #000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.2s steps(2);
}

/* Active Player Glow Borders */
#panel-alice:focus-within {
  border-color: var(--color-cyan);
  transform: translateY(-2px);
}

#panel-bob:focus-within {
  border-color: var(--color-magenta);
  transform: translateY(-2px);
}

/* Chat Header */
.chat-header {
  padding: 1rem;
  border-bottom: 4px solid #000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-panel-bg);
  flex-wrap: wrap;
  gap: 1rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 0;
  border: 3px solid #000;
}

.user-meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.user-name {
  font-family: var(--font-arcade);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
}

#panel-alice .user-name { color: var(--color-cyan); }
#panel-bob .user-name { color: var(--color-magenta); }

.user-status {
  font-family: var(--font-arcade);
  font-size: 0.55rem;
  color: var(--color-green);
  animation: blink 1s steps(2) infinite;
}

.language-selector {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.language-selector label {
  font-family: var(--font-arcade);
  font-size: 0.55rem;
  color: var(--color-gold);
}

/* Retro Options Dropdown */
.lang-select {
  background: var(--bg-dark);
  border: 3px solid #000;
  color: var(--text-light);
  font-family: var(--font-arcade);
  font-size: 0.55rem;
  padding: 0.4rem 1.5rem 0.4rem 0.4rem;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffcc00'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.2rem center;
  background-size: 1rem;
}

#panel-alice .lang-select { border-color: var(--color-cyan); }
#panel-bob .lang-select { border-color: var(--color-magenta); }

.light-theme .lang-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23d97706'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
}

.lang-select:hover {
  filter: brightness(1.1);
}

/* Chat Message Logs */
.message-log {
  flex: 1;
  padding: 1.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-height: 480px;
  background: var(--color-panel-bg);
  border-bottom: 4px solid #000;
}

.system-message {
  align-self: center;
  background: var(--bg-dark);
  border: 2px solid #000;
  padding: 0.5rem;
  font-family: var(--font-arcade);
  font-size: 0.55rem;
  color: var(--color-green);
  text-align: center;
  max-width: 90%;
  line-height: 1.5;
}

.light-theme .system-message {
  color: var(--color-cyan);
}

/* Blocky Retro Speech Bubbles */
.message-bubble {
  max-width: 85%;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  animation: messageSlideIn 0.15s steps(3) forwards;
}

.message-bubble.sent {
  align-self: flex-end;
}

.message-bubble.received {
  align-self: flex-start;
}

.bubble-content {
  padding: 0.6rem 0.8rem;
  font-size: 1.35rem;
  line-height: 1.3;
  word-break: break-word;
  border: 4px solid #000;
  box-shadow: 4px 4px 0px #000;
  position: relative;
}

.bubble-content::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: inherit;
  border: 4px solid #000;
  transform: rotate(45deg);
  bottom: -6px;
}

.message-bubble.sent .bubble-content::after {
  right: 12px;
  border-left: none;
  border-top: none;
}

.message-bubble.received .bubble-content::after {
  left: 12px;
  border-right: none;
  border-bottom: none;
}

/* Custom Player Speeches colors */
#panel-alice .message-bubble.sent .bubble-content {
  background: #004d61;
  color: #fff;
  border-color: var(--color-cyan);
}
.light-theme #panel-alice .message-bubble.sent .bubble-content {
  background: #00f0ff;
  color: #000;
}

#panel-alice .message-bubble.received .bubble-content {
  background: var(--bg-dark);
  color: var(--text-light);
  border-color: var(--color-gold);
}

#panel-bob .message-bubble.sent .bubble-content {
  background: #610036;
  color: #fff;
  border-color: var(--color-magenta);
}
.light-theme #panel-bob .message-bubble.sent .bubble-content {
  background: #ff007f;
  color: #fff;
}

#panel-bob .message-bubble.received .bubble-content {
  background: var(--bg-dark);
  color: var(--text-light);
  border-color: var(--color-gold);
}

/* Flashing load states */
.state-text {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-gold);
  font-family: var(--font-arcade);
  font-size: 0.55rem;
  animation: blink 0.5s steps(2) infinite;
}

.spinner {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--color-gold);
}

/* AI Metadata Power-Up Badge */
/* AI Metadata logs panel (hidden by default, shown when global logs toggle is ON) */
details.ai-info-logs {
  display: none;
  margin-top: 0.35rem;
  background: rgba(0, 240, 255, 0.02);
  border: 2px dashed var(--color-cyan);
  padding: 0.4rem;
  font-family: var(--font-readable);
  font-size: 1.15rem;
  color: var(--color-cyan);
  width: 100%;
  max-width: 100%;
  box-shadow: 2px 2px 0px #000;
  user-select: none;
}

.show-logs details.ai-info-logs {
  display: block;
}

summary.log-header {
  font-family: var(--font-arcade);
  font-size: 0.5rem;
  color: var(--color-gold);
  cursor: pointer;
  outline: none;
  list-style: none; /* Hide default browser arrow */
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Hide default Chrome/Safari summary marker */
summary.log-header::-webkit-details-marker {
  display: none;
}

/* Custom retro arrow indicator */
summary.log-header::before {
  content: '▶';
  font-size: 0.4rem;
  color: var(--color-cyan);
}

details.ai-info-logs[open] summary.log-header::before {
  content: '▼';
}

details.ai-info-logs[open] summary.log-header {
  border-bottom: 1px dashed rgba(0, 240, 255, 0.3);
  padding-bottom: 0.2rem;
  margin-bottom: 0.3rem;
}

.log-content {
  margin-top: 0.2rem;
}

.log-row {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.2rem;
}

.log-row:last-child {
  margin-bottom: 0;
}

.log-label {
  color: var(--text-muted);
  font-family: var(--font-arcade);
  font-size: 0.45rem;
}

.log-value {
  text-align: right;
  word-break: break-all;
}

.log-value.original-content {
  color: var(--color-gold);
  text-align: left;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.15rem 0.3rem;
  border-left: 2px solid var(--color-gold);
  max-width: 70%;
  font-size: 1.15rem;
}

/* Red error badge for critical pipeline failures */
.ai-meta-badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-dark);
  border: 3px solid var(--color-red);
  padding: 0.3rem 0.5rem;
  font-family: var(--font-arcade);
  font-size: 0.525rem;
  color: var(--color-red);
  box-shadow: 3px 3px 0px #000;
  margin-top: 0.25rem;
}

.pixel-sparkle-sm {
  font-size: 0.6rem;
}

.debug-label {
  color: var(--text-muted);
  font-family: var(--font-arcade);
  font-size: 0.5rem;
  display: flex;
  align-items: center;
}

/* Arcade Console Input Panel */
.chat-input-form {
  padding: 1rem;
  background: var(--color-panel-bg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Dialog textbox style */
.chat-textarea {
  flex: 1;
  background: var(--bg-input);
  border: 4px solid #000;
  color: var(--text-dark);
  font-family: var(--font-readable);
  font-size: 1.5rem;
  padding: 0.5rem;
  resize: none;
  min-height: 44px;
  max-height: 120px;
  line-height: 1.2;
  box-shadow: inset 2px 2px 0px rgba(0,0,0,0.2);
  field-sizing: content;
}

.chat-textarea:focus {
  outline: none;
  background: #ffffee;
  border-color: #000;
}

.light-theme .chat-textarea:focus {
  background: #fdfae7;
}

.chat-textarea::placeholder {
  color: #666;
}

/* Arcade Red / Yellow Action Buttons */
.btn {
  font-family: var(--font-arcade);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.6rem 1rem;
  border: 4px solid #000;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 4px 4px 0px #000;
  transition: none;
  user-select: none;
  transform: translate(0px, 0px);
}

.btn:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 1px 0px #000;
}

.btn-sm {
  font-size: 0.55rem;
  padding: 0.35rem 0.65rem;
  box-shadow: 2px 2px 0px #000;
  border-width: 3px;
}

.btn-sm:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px #000;
}

.btn-primary {
  color: #000000;
}

/* Alice Red Button */
#panel-alice .btn-primary {
  background: #ff3366;
}
#panel-alice .btn-primary:hover {
  background: #ff0044;
}

/* Bob Orange/Yellow Button */
#panel-bob .btn-primary {
  background: var(--color-gold);
}
#panel-bob .btn-primary:hover {
  background: #e5b800;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-light);
  border-color: #000000;
}
.btn-secondary:hover {
  filter: brightness(1.1);
}

.send-icon {
  width: 14px;
  height: 14px;
  color: inherit;
}

/* Arcade Bottom Status Panel */
.app-footer {
  text-align: center;
  padding: 1rem;
  border: 4px double var(--text-light);
  background: var(--color-panel-bg);
  font-family: var(--font-arcade);
  font-size: 0.55rem;
  color: var(--text-muted);
  box-shadow: 6px 6px 0px #000;
  letter-spacing: 0.1em;
  backdrop-filter: blur(4px);
}

/* Blinking Animation */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.blink {
  animation: blink 1s steps(2) infinite;
}

/* Floating animation for pixel spaces */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-4px); }
}

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

.hidden {
  display: none !important;
}