/* ============================================================
   MAIN STYLES — Arthurian Legends: The Fallen Crown
   ============================================================ */

/* CSS Custom Properties */
:root {
  /* Color Palette */
  --color-gold: #C5A55A;
  --color-gold-light: #D4B96A;
  --color-gold-dark: #8B6914;
  --color-burgundy: #8B0000;
  --color-burgundy-light: #A52A2A;
  --color-midnight: #1B3A5C;
  --color-midnight-dark: #0F1F33;
  --color-forest: #228B22;
  --color-silver: #C0C0C0;
  --color-silver-dark: #808080;
  --color-parchment: #F5E6C8;
  --color-parchment-dark: #D4C4A0;
  --color-ink: #2F1F0F;
  --color-ink-light: #4A3728;
  --color-blood: #DC143C;
  --color-mana-blue: #1E90FF;
  --color-stamina-green: #32CD32;
  
  /* Typography */
  --font-display: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 0.85rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;
  --font-size-4xl: 4rem;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  
  /* Borders */
  --border-ornate: 2px solid var(--color-gold-dark);
  --border-subtle: 1px solid rgba(197, 165, 90, 0.3);
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
  --shadow-glow-gold: 0 0 20px rgba(197, 165, 90, 0.4);
  --shadow-glow-blue: 0 0 20px rgba(30, 144, 255, 0.4);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Audio volumes (controlled by JS) */
  --music-vol: 0.7;
  --sfx-vol: 0.8;
}

/* Font size modifiers */
[data-font-size="small"] { --font-size-base: 14px; }
[data-font-size="medium"] { --font-size-base: 16px; }
[data-font-size="large"] { --font-size-base: 20px; }

/* ============================================================
   RESET & BASE
   ============================================================ */

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-parchment);
  background: #000;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  user-select: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: normal;
  line-height: 1.2;
}

a {
  color: var(--color-gold);
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  font-family: var(--font-display);
  border: none;
  outline: none;
  transition: all var(--transition-fast);
}

button:hover {
  transform: translateY(-1px);
}

button:active {
  transform: translateY(1px);
}

/* ============================================================
   LOADING SCREEN
   ============================================================ */

.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0a0a0a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s ease;
}

.loading-content {
  text-align: center;
  max-width: 500px;
  padding: var(--space-xl);
}

.loading-sigil {
  font-size: 80px;
  color: var(--color-gold);
  text-shadow: var(--shadow-glow-gold);
  margin-bottom: var(--space-lg);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.loading-title {
  font-size: var(--font-size-4xl);
  color: var(--color-gold);
  text-shadow: 0 0 30px rgba(197, 165, 90, 0.5);
  margin-bottom: var(--space-sm);
  letter-spacing: 3px;
}

.loading-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-silver);
  margin-bottom: var(--space-2xl);
  letter-spacing: 5px;
  text-transform: uppercase;
}

.loading-bar-container {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-gold-dark);
}

.loading-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-gold-dark), var(--color-gold), var(--color-gold-light));
  border-radius: 3px;
  transition: width 0.3s ease;
}

.loading-text {
  color: var(--color-silver-dark);
  font-size: var(--font-size-sm);
  font-style: italic;
}

/* ============================================================
   GAME CONTAINER
   ============================================================ */

.game-container {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.scene-container {
  width: 100%;
  height: 100%;
  position: relative;
  transition: opacity var(--transition-normal);
}

/* ============================================================
   MAIN MENU
   ============================================================ */

.main-menu {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 30%, #2d1b4e 60%, #0a0a0a 100%);
  position: relative;
}

.menu-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.7) 100%);
  pointer-events: none;
}

.menu-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-2xl);
}

.game-title {
  margin-bottom: var(--space-2xl);
}

.title-main {
  font-size: var(--font-size-4xl);
  color: var(--color-gold);
  text-shadow: 0 0 40px rgba(197, 165, 90, 0.6), 0 4px 8px rgba(0,0,0,0.8);
  letter-spacing: 4px;
  margin-bottom: var(--space-sm);
}

.title-sub {
  font-size: var(--font-size-lg);
  color: var(--color-silver);
  letter-spacing: 6px;
  text-transform: uppercase;
  opacity: 0.8;
}

.demo-badge {
  display: inline-block;
  background: var(--color-burgundy);
  color: var(--color-parchment);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: bold;
  letter-spacing: 2px;
  margin-top: var(--space-md);
  border: 1px solid var(--color-burgundy-light);
}

.menu-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  margin-bottom: var(--space-2xl);
}

.btn-menu {
  padding: var(--space-md) var(--space-2xl);
  font-size: var(--font-size-lg);
  letter-spacing: 2px;
  min-width: 280px;
  text-align: center;
  border-radius: var(--border-radius-md);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gold-dark), var(--color-gold), var(--color-gold-dark));
  color: var(--color-ink);
  border: 2px solid var(--color-gold);
  text-shadow: 0 1px 0 rgba(255,255,255,0.3);
  box-shadow: var(--shadow-md), var(--shadow-glow-gold);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light), var(--color-gold));
  box-shadow: var(--shadow-lg), 0 0 30px rgba(197, 165, 90, 0.6);
}

.btn-secondary {
  background: rgba(197, 165, 90, 0.1);
  color: var(--color-gold);
  border: 1px solid var(--color-gold-dark);
  backdrop-filter: blur(4px);
}

.btn-secondary:hover {
  background: rgba(197, 165, 90, 0.2);
  border-color: var(--color-gold);
}

.btn-tertiary {
  background: transparent;
  color: var(--color-silver);
  border: 1px solid var(--color-silver-dark);
  font-size: var(--font-size-base);
}

.btn-tertiary:hover {
  color: var(--color-gold);
  border-color: var(--color-gold-dark);
}

.menu-footer {
  color: var(--color-silver-dark);
  font-size: var(--font-size-sm);
  opacity: 0.6;
}

/* ============================================================
   HUD
   ============================================================ */

.game-hud {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(180deg, rgba(0,0,0,0.8) 0%, transparent 100%);
  z-index: 100;
  pointer-events: none;
}

.game-hud > * {
  pointer-events: auto;
}

.hud-left, .hud-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.hud-chapter {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  color: var(--color-gold);
  text-shadow: var(--shadow-sm);
}

.hud-location {
  font-size: var(--font-size-sm);
  color: var(--color-silver);
  opacity: 0.8;
}

.hud-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.hud-alignment {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
}

.alignment-chivalry { color: var(--color-gold); }
.alignment-pragmatism { color: var(--color-silver); }

.alignment-bar {
  width: 120px;
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid rgba(197, 165, 90, 0.3);
}

.alignment-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-gold), var(--color-silver));
  transition: width var(--transition-normal);
}

.hud-btn {
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(197, 165, 90, 0.3);
  color: var(--color-parchment);
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-sm);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.hud-btn:hover {
  background: rgba(197, 165, 90, 0.2);
  border-color: var(--color-gold);
}

/* ============================================================
   NOTIFICATIONS
   ============================================================ */

.notifications {
  position: fixed;
  top: 60px;
  right: var(--space-md);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.ui-message {
  background: rgba(0, 0, 0, 0.85);
  color: var(--color-parchment);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-gold-dark);
  font-size: var(--font-size-sm);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-md);
  animation: slideIn 0.3s ease;
  max-width: 350px;
}

.ui-message.fade-out {
  animation: fadeOut 0.3s ease forwards;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

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

/* ============================================================
   OVERLAYS
   ============================================================ */

.ui-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease;
}

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

/* Settings Panel */
.settings-panel, .license-panel, .confirm-panel {
  background: linear-gradient(135deg, #1a1a2e, #2d1b4e);
  border: var(--border-ornate);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-lg), var(--shadow-glow-gold);
}

.settings-panel h2, .license-panel h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-gold);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.setting-group {
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.setting-group label {
  min-width: 140px;
  color: var(--color-parchment);
  font-size: var(--font-size-base);
}

.setting-group input[type="range"] {
  flex: 1;
  accent-color: var(--color-gold);
  height: 6px;
}

.setting-group select {
  flex: 1;
  background: rgba(0,0,0,0.5);
  color: var(--color-parchment);
  border: 1px solid var(--color-gold-dark);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-base);
}

.setting-group input[type="checkbox"] {
  accent-color: var(--color-gold);
  width: 18px;
  height: 18px;
}

.setting-value {
  min-width: 40px;
  text-align: right;
  color: var(--color-gold);
  font-size: var(--font-size-sm);
}

/* License Panel */
.license-input {
  width: 100%;
  padding: var(--space-md);
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--color-gold-dark);
  border-radius: var(--border-radius-md);
  color: var(--color-parchment);
  font-size: var(--font-size-lg);
  font-family: monospace;
  text-align: center;
  letter-spacing: 2px;
  margin: var(--space-lg) 0;
}

.license-input:focus {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-glow-gold);
  outline: none;
}

.license-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

.license-result {
  margin-top: var(--space-lg);
  text-align: center;
  font-size: var(--font-size-lg);
}

.license-result .success { color: var(--color-forest); }
.license-result .error { color: var(--color-blood); }

/* Confirm Panel */
.confirm-panel p {
  font-size: var(--font-size-lg);
  text-align: center;
  margin-bottom: var(--space-lg);
  color: var(--color-parchment);
}

.confirm-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

/* ============================================================
   CHAPTER END & GAME OVER
   ============================================================ */

.chapter-end-screen, .game-over-screen, .demo-lock-screen {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #0a0a0a);
  text-align: center;
  padding: var(--space-2xl);
}

.chapter-end-screen h1, .game-over-screen h1, .demo-lock-screen h1,
.demo-lock-screen h2 {
  font-size: var(--font-size-3xl);
  color: var(--color-gold);
  margin-bottom: var(--space-lg);
  text-shadow: var(--shadow-glow-gold);
}

.game-over-screen p {
  font-size: var(--font-size-lg);
  color: var(--color-silver);
  margin-bottom: var(--space-2xl);
  font-style: italic;
}

.game-over-buttons, .demo-lock-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

.demo-lock-content p {
  color: var(--color-silver);
  margin-bottom: var(--space-md);
  max-width: 500px;
}

/* ============================================================
   SCROLLBAR
   ============================================================ */

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0,0,0,0.3);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gold-dark);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .title-main { font-size: var(--font-size-2xl); }
  .title-sub { font-size: var(--font-size-base); }
  .btn-menu { min-width: 220px; font-size: var(--font-size-base); padding: var(--space-sm) var(--space-lg); }
  .hud-alignment { display: none; }
  .settings-panel, .license-panel { padding: var(--space-lg); }
}