/* ============================================
   MAIN.CSS — Core layout, typography, terminal
   ============================================ */

/* --- CSS Custom Properties (Theme Layer) --- */
:root {
  /* These are defaults; themes.css overrides them */
  --bg-primary: #0a0e14;
  --bg-terminal: #0c1018;
  --bg-header: #0e1219;
  --bg-footer: #0e1219;

  --text-primary: #00ff41;
  --text-secondary: #00cc33;
  --text-dimmed: #008f22;
  --text-accent: #ff0040;
  --text-accent-secondary: #cc0033;
  --text-system: #00aa30;
  --text-ok: #00ff41;
  --text-warn: #ffd700;
  --text-error: #ff0040;

  --glow-primary: rgba(0, 255, 65, 0.6);
  --glow-accent: rgba(255, 0, 64, 0.6);
  --glow-warn: rgba(255, 215, 0, 0.6);

  --border-color: #00ff4133;
  --border-bright: #00ff4166;
  --border-header: #00ff4122;

  --choice-hover-bg: rgba(0, 255, 65, 0.05);
  --choice-selected-bg: #ff0040;
  --choice-selected-text: #00ff41;
  --choice-locked-text: #1a1f29;
  --choice-locked-bg: #1a1f29;

  /* Spacing */
  --terminal-max-width: 1200px;
  --terminal-padding: 20px;
  --line-height: 1.6;
  --paragraph-gap: 1.5em;
  --choice-gap: 0.8em;

  /* Font */
  --font-mono: 'IBM Plex Mono', 'Courier New', Courier, monospace;
  --font-size-body: 16px;
  --font-size-header: 18px;
  --font-size-narrator: 14px;
  --font-size-system: 12px;
}

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

/* --- Base --- */
html {
  font-size: var(--font-size-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-mono);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: var(--line-height);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* --- Terminal Window --- */
.terminal {
  width: 100%;
  max-width: var(--terminal-max-width);
  height: 100vh;
  max-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  position: relative;
  z-index: 1;
}

/* --- Header Bar --- */
.terminal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px var(--terminal-padding);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-header);
  font-size: var(--font-size-system);
  color: var(--text-secondary);
  flex-shrink: 0;
  user-select: none;
}

.header-left,
.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-title {
  color: var(--text-primary);
  letter-spacing: 1px;
}

.header-separator {
  color: var(--text-dimmed);
  opacity: 0.5;
}

.header-session,
.header-scene {
  color: var(--text-dimmed);
}

.header-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--font-size-system);
  padding: 2px 6px;
  cursor: pointer;
  transition: color 0.1s, border-color 0.1s;
}

.header-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-bright);
  text-shadow: 0 0 4px var(--glow-primary);
}

.header-btn:focus-visible {
  outline: 1px solid var(--text-primary);
  outline-offset: 2px;
}

/* Window control buttons (decorative) */
.window-controls {
  display: flex;
  gap: 4px;
}

.win-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-color);
  color: var(--text-dimmed);
  font-size: 10px;
  line-height: 1;
  cursor: default;
}

.win-close {
  color: var(--text-accent);
  border-color: rgba(255, 0, 64, 0.3);
}

/* --- Variable Indicators Bar --- */
.terminal-indicators {
  display: flex;
  gap: 16px;
  padding: 4px var(--terminal-padding);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-header);
  font-size: var(--font-size-system);
  color: var(--text-dimmed);
  flex-shrink: 0;
  user-select: none;
  position: relative;
  overflow: visible;
}

.indicator {
  letter-spacing: 0.5px;
}

.ind-val {
  color: var(--text-secondary);
}

/* --- Stat Change Popups --- */
.stat-popup-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  pointer-events: none;
  z-index: 10;
  display: flex;
  justify-content: center;
  gap: 12px;
}

.stat-popup {
  font-family: var(--font-mono);
  font-size: var(--font-size-narrator);
  letter-spacing: 0.5px;
  padding: 2px 8px;
  pointer-events: none;
  animation: stat-popup-rise 1.2s ease-out forwards;
  white-space: nowrap;
}

.stat-popup.positive {
  color: var(--text-ok);
  text-shadow: 0 0 6px var(--glow-primary);
}

.stat-popup.negative {
  color: var(--text-accent);
  text-shadow: 0 0 6px var(--glow-accent);
}

@keyframes stat-popup-rise {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  70% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(-28px);
  }
}

/* --- Main Content Area --- */
.terminal-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--terminal-padding);
  position: relative;
  scroll-behavior: smooth;
}

.content-inner {
  position: relative;
  z-index: 1;
}

/* Scrollbar styling */
.terminal-content::-webkit-scrollbar {
  width: 6px;
}

.terminal-content::-webkit-scrollbar-track {
  background: var(--bg-terminal);
}

.terminal-content::-webkit-scrollbar-thumb {
  background: var(--text-dimmed);
  border-radius: 0;
}

.terminal-content::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* --- Scroll Indicator --- */
.scroll-indicator {
  position: sticky;
  bottom: 0;
  text-align: center;
  padding: 8px 0;
  color: var(--text-accent);
  font-size: var(--font-size-system);
  letter-spacing: 0.15em;
  background: linear-gradient(transparent, var(--bg-terminal) 40%);
  cursor: pointer;
  animation: scroll-indicator-pulse 1.5s ease-in-out infinite;
  z-index: 5;
}

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

/* --- Text Styles --- */
.game-text {
  color: var(--text-primary);
  margin-bottom: var(--paragraph-gap);
  text-shadow: 0 0 2px var(--glow-primary);
}

.narrator-text {
  color: var(--text-accent);
  font-style: italic;
  font-size: var(--font-size-narrator);
  margin-bottom: var(--paragraph-gap);
  text-shadow: 0 0 2px var(--glow-accent);
}

.system-text {
  color: var(--text-system);
  font-size: var(--font-size-system);
  margin-bottom: 0.4em;
  text-shadow: none;
}

.text-ok {
  color: var(--text-ok);
}

.text-warn {
  color: var(--text-warn);
  text-shadow: 0 0 2px var(--glow-warn);
}

.text-error {
  color: var(--text-error);
  text-shadow: 0 0 2px var(--glow-accent);
}

/* --- Choices --- */
/* Achievement gallery columns */
.achievement-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.achievement-column {
  min-width: 0;
}

@media (max-width: 600px) {
  .achievement-columns {
    grid-template-columns: 1fr;
  }
}

.choices {
  margin-top: 1em;
}

.choice {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  margin-bottom: var(--choice-gap);
  cursor: pointer;
  color: var(--text-primary);
  transition: background 0.1s, color 0.1s;
  position: relative;
  border: 1px solid transparent;
}

.choice:hover,
.choice:focus-visible {
  background: var(--choice-hover-bg);
  border-color: var(--border-color);
}

.choice:focus-visible {
  outline: 1px solid var(--text-primary);
  outline-offset: -1px;
}

.choice-marker {
  color: var(--text-secondary);
  flex-shrink: 0;
}

.choice-text {
  flex: 1;
}

.choice-arrow {
  opacity: 0;
  transition: opacity 0.1s;
  flex-shrink: 0;
}

.choice-arrow::after {
  content: '\25C4\2500\2500\2500\2500\2500\2500\2500\2500\2500';
  color: var(--text-secondary);
  font-size: var(--font-size-system);
}

.choice:hover .choice-arrow,
.choice:focus-visible .choice-arrow {
  opacity: 1;
}

.choice:hover .choice-text,
.choice:focus-visible .choice-text {
  text-shadow: 0 0 4px var(--glow-primary);
}

/* Selected state (applied briefly via JS) */
.choice.choice-selected {
  background: var(--choice-selected-bg);
  color: var(--text-primary);
}

.choice.choice-selected .choice-marker,
.choice.choice-selected .choice-text {
  color: var(--bg-terminal);
  text-shadow: none;
}

/* Locked/disabled choice */
.choice-locked {
  cursor: not-allowed;
  opacity: 0.5;
}

.choice-locked:hover,
.choice-locked:focus-visible {
  background: transparent;
  border-color: transparent;
}

.choice-locked .choice-text {
  text-shadow: none;
}

.choice-blocked::before {
  content: '\2591\2591\2591\2591\2591 \2591\2591\2591\2591\2591';
  color: var(--choice-locked-text);
}

.choice-reason {
  color: var(--text-dimmed);
  font-size: var(--font-size-system);
  font-style: italic;
}

.choice-locked:hover .choice-arrow,
.choice-locked:focus-visible .choice-arrow {
  opacity: 0;
}

/* --- Footer / Command Prompt --- */
.terminal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px var(--terminal-padding);
  background: var(--bg-footer);
  border-top: 1px solid var(--border-header);
  font-size: var(--font-size-system);
  color: var(--text-secondary);
  flex-shrink: 0;
  user-select: none;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.prompt-symbol {
  color: var(--text-primary);
}

.footer-status {
  color: var(--text-dimmed);
}

.footer-info {
  color: var(--text-dimmed);
}

/* Blinking cursor */
.cursor-blink {
  color: var(--text-primary);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* --- New Content Indicator (when scrolled up) --- */
.new-content-indicator {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 6px;
  text-align: center;
  background: linear-gradient(transparent, var(--bg-terminal));
  color: var(--text-primary);
  font-size: var(--font-size-system);
  cursor: pointer;
  z-index: 5;
  animation: indicator-pulse 1.5s ease-in-out infinite;
  pointer-events: auto;
  display: none;
}

.new-content-indicator.visible {
  display: block;
}

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

/* --- Burn-in ghost (static element afterimage) --- */
.burn-in-ghost {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  opacity: 0.015;
  z-index: 0;
  background:
    linear-gradient(
      180deg,
      transparent 0%,
      var(--text-primary) 2%,
      transparent 3%,
      transparent 100%
    );
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Menu Title (ASCII art) --- */
.menu-title {
  font-size: 10px;
  line-height: 1.1;
  text-align: center;
  margin-bottom: 0.5em;
  white-space: pre;
  overflow-x: auto;
}

@media (max-width: 768px) {
  .menu-title {
    font-size: 7px;
  }
}

@media (max-width: 400px) {
  .menu-title {
    font-size: 5px;
  }
}

/* --- Typewriter Cursor --- */
.typewriter-active::after {
  content: '\2588';
  color: inherit;
  animation: blink 0.7s step-end infinite;
  text-shadow: inherit;
}

/* --- Selection styling --- */
::selection {
  background: var(--text-primary);
  color: var(--bg-terminal);
}

/* ============================================
   Settings Panel
   ============================================ */

.settings-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.settings-panel {
  background: var(--bg-terminal);
  border: 1px solid var(--border-bright);
  max-width: 560px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  font-family: var(--font-mono);
  color: var(--text-primary);
  box-shadow: 0 0 20px var(--glow-primary), 0 0 60px rgba(0, 0, 0, 0.5);
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
}

.settings-title {
  font-size: var(--font-size-header);
  letter-spacing: 2px;
  text-shadow: 0 0 4px var(--glow-primary);
}

.settings-close {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--font-size-system);
  padding: 4px 8px;
  cursor: pointer;
}

.settings-close:hover {
  color: var(--text-primary);
  border-color: var(--border-bright);
}

.settings-divider {
  border: none;
  border-top: 1px solid var(--border-header);
  margin: 0;
}

.settings-body {
  padding: 12px 16px;
}

.settings-section {
  margin-bottom: 20px;
}

.settings-section:last-child {
  margin-bottom: 0;
}

.settings-section-title {
  font-size: var(--font-size-system);
  color: var(--text-dimmed);
  letter-spacing: 2px;
  margin-bottom: 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border-header);
}

.settings-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  min-height: 28px;
}

.settings-label {
  color: var(--text-secondary);
  font-size: var(--font-size-narrator);
}

/* Toggle buttons */
.settings-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
}

.toggle-btn {
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: var(--font-size-narrator);
  color: var(--text-dimmed);
  cursor: pointer;
  padding: 2px 4px;
}

.toggle-btn.active {
  color: var(--text-primary);
  text-shadow: 0 0 4px var(--glow-primary);
}

.toggle-btn:hover {
  color: var(--text-primary);
}

.toggle-sep {
  color: var(--text-dimmed);
  opacity: 0.4;
}

/* Sliders */
.settings-slider-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.settings-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 120px;
  height: 4px;
  background: var(--text-dimmed);
  outline: none;
  cursor: pointer;
}

.settings-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  background: var(--text-primary);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 4px var(--glow-primary);
}

.settings-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  background: var(--text-primary);
  cursor: pointer;
  border: none;
  border-radius: 0;
  box-shadow: 0 0 4px var(--glow-primary);
}

.slider-value {
  color: var(--text-secondary);
  font-size: var(--font-size-system);
  min-width: 36px;
  text-align: right;
}

/* Theme grid */
.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.theme-swatch {
  background: none;
  border: 1px solid var(--border-color);
  padding: 6px;
  cursor: pointer;
  font-family: var(--font-mono);
  text-align: center;
  transition: border-color 0.1s;
}

.theme-swatch:hover {
  border-color: var(--border-bright);
}

.theme-swatch.active {
  border-color: var(--text-primary);
  box-shadow: 0 0 6px var(--glow-primary);
}

.swatch-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 32px;
  margin-bottom: 4px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.swatch-text {
  font-size: 16px;
  font-weight: 500;
}

.swatch-accent {
  font-size: 14px;
}

.swatch-label {
  font-size: 9px;
  color: var(--text-dimmed);
  letter-spacing: 1px;
  display: block;
}

/* Settings footer */
.settings-footer {
  padding: 8px 16px;
}

.settings-hint {
  font-size: var(--font-size-system);
  color: var(--text-dimmed);
  opacity: 0.6;
}

/* Settings panel scrollbar */
.settings-panel::-webkit-scrollbar {
  width: 4px;
}

.settings-panel::-webkit-scrollbar-track {
  background: var(--bg-terminal);
}

.settings-panel::-webkit-scrollbar-thumb {
  background: var(--text-dimmed);
}

/* ============================================
   Notification Toasts (achievements, etc.)
   ============================================ */

.notification-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: 360px;
}

.notification-toast {
  background: var(--bg-terminal);
  border: 1px solid var(--border-bright);
  padding: 12px 16px;
  font-family: var(--font-mono);
  pointer-events: auto;
  cursor: pointer;
  box-shadow: 0 0 12px var(--glow-primary);
  animation: toast-in 0.3s ease-out;
}

.notification-toast.fading {
  animation: toast-out 0.3s ease-in forwards;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(20px);
  }
}

.toast-title {
  color: var(--text-warn);
  font-size: var(--font-size-narrator);
  letter-spacing: 1px;
  text-shadow: 0 0 4px var(--glow-warn);
}

.toast-desc {
  color: var(--text-secondary);
  font-size: var(--font-size-system);
  margin-top: 4px;
}

.toast-narrator {
  color: var(--text-accent);
  font-style: italic;
  font-size: var(--font-size-system);
  margin-top: 4px;
  text-shadow: 0 0 2px var(--glow-accent);
}