/* =============================================
   CODE ACADEMY - Game Style v2.0
   Futuristik • Cyber • Neon • Glassmorphism
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Space+Grotesk:wght@400;500;600;700&family=Orbitron:wght@400;600;700&display=swap');

/* ========== ROOT VARIABLES ========== */
:root {
  --primary: #7C6FF7;
  --primary-light: #a8a0fe;
  --primary-dark: #5540e0;
  --secondary: #00E5DF;
  --secondary-light: #55efc4;
  --secondary-dark: #00b5b0;
  --accent: #FF6B9D;
  --accent-light: #fab1c8;
  --accent-dark: #e84393;
  --bg-dark: #030308;
  --bg-card: rgba(18, 18, 48, 0.9);
  --bg-card-light: rgba(28, 28, 68, 0.75);
  --text-primary: #f0f0ff;
  --text-secondary: #a0a0d8;
  --text-muted: #5c5c90;
  --success: #00d4a0;
  --success-light: #55efc4;
  --warning: #ffc857;
  --danger: #ff5a5a;
  --info: #6cb4ff;

  --glow-primary: 0 0 20px rgba(124, 111, 247, 0.4), 0 0 60px rgba(124, 111, 247, 0.1);
  --glow-secondary: 0 0 20px rgba(0, 229, 223, 0.4), 0 0 60px rgba(0, 229, 223, 0.1);
  --glow-accent: 0 0 20px rgba(255, 107, 157, 0.4), 0 0 60px rgba(255, 107, 157, 0.1);
  --glow-success: 0 0 20px rgba(0, 212, 160, 0.4);
  --glow-danger: 0 0 20px rgba(255, 90, 90, 0.4);
  --glow-warning: 0 0 20px rgba(255, 200, 87, 0.4);
  --border-glow: 0 0 10px rgba(124, 111, 247, 0.2);

  --pixel-font: 'Press Start 2P', monospace;
  --cyber-font: 'Orbitron', sans-serif;
  --body-font: 'Space Grotesk', sans-serif;

  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);

  --radius: 14px;
  --radius-lg: 20px;
  --radius-sm: 10px;
}

/* Glassmorphism mixin */
.glass {
  background: rgba(18, 18, 48, 0.65);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(124, 111, 247, 0.1);
}

.glass-light {
  background: rgba(28, 28, 68, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

/* ========== RESET & BASE ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--body-font);
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ========== GAME CONTAINER ========== */
#game-container {
  position: relative;
  width: 100%;
  max-width: 920px;
  height: 100vh;
  max-height: 720px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 15% 30%, rgba(124, 111, 247, 0.06) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 70%, rgba(0, 229, 223, 0.04) 0%, transparent 55%),
    radial-gradient(ellipse at 50% 0%, rgba(255, 107, 157, 0.03) 0%, transparent 40%),
    linear-gradient(160deg, var(--bg-dark) 0%, #060614 25%, #0a0820 50%, #080618 75%, var(--bg-dark) 100%);
  border: 1px solid rgba(124, 111, 247, 0.15);
  box-shadow:
    var(--glow-primary),
    inset 0 0 120px rgba(124, 111, 247, 0.02),
    0 0 100px rgba(0, 0, 0, 0.6);
  border-radius: var(--radius-lg);
}

/* Grid overlay for cyber effect */
#game-container::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 111, 247, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 111, 247, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 80%);
}

/* Scanline effect overlay */
#game-container::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* ========== SCREENS ========== */
.screen {
  display: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
}

.screen.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.5s ease-out;
}

.screen::-webkit-scrollbar {
  width: 4px;
}

.screen::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

.screen::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 2px;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-20px); }
}

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

@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px rgba(108, 92, 231, 0.3); }
  50% { box-shadow: 0 0 25px rgba(108, 92, 231, 0.8); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(50px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-50px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

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

@keyframes particle {
  0% { transform: translateY(0) scale(1); opacity: 1; }
  100% { transform: translateY(-100px) scale(0); opacity: 0; }
}

@keyframes rainbow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes borderPulse {
  0%, 100% { border-color: rgba(108, 92, 231, 0.3); }
  50% { border-color: rgba(108, 92, 231, 0.8); }
}

@keyframes popIn {
  0% { transform: scale(0.8); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* ========== TYPOGRAPHY ========== */
.pixel-text {
  font-family: var(--pixel-font);
  letter-spacing: 1px;
  text-transform: uppercase;
}

h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 1.8rem; font-weight: 700; }
h3 { font-size: 1.3rem; font-weight: 600; }

.gradient-text {
  background: linear-gradient(135deg, var(--secondary), var(--primary), var(--accent));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: rainbow 3s ease infinite;
}

.glow-text {
  text-shadow: 0 0 10px rgba(108, 92, 231, 0.8), 0 0 20px rgba(108, 92, 231, 0.4);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--cyber-font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255,255,255,0.12), transparent);
  opacity: 0;
  transition: var(--transition);
  pointer-events: none;
}

.btn:hover::before {
  opacity: 1;
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: linear-gradient(135deg, rgba(124, 111, 247, 0.85), rgba(85, 64, 224, 0.95));
  color: white;
  border-color: rgba(168, 160, 254, 0.3);
  box-shadow: var(--glow-primary);
}

.btn-primary:hover {
  box-shadow: 0 0 35px rgba(124, 111, 247, 0.6), 0 0 80px rgba(124, 111, 247, 0.15);
  transform: translateY(-3px);
  border-color: rgba(168, 160, 254, 0.6);
}

.btn-secondary {
  background: linear-gradient(135deg, rgba(0, 229, 223, 0.8), rgba(0, 181, 176, 0.9));
  color: white;
  border-color: rgba(85, 239, 196, 0.3);
  box-shadow: var(--glow-secondary);
}

.btn-secondary:hover {
  box-shadow: 0 0 40px rgba(0, 206, 201, 0.8), 0 0 80px rgba(0, 206, 201, 0.3);
  transform: translateY(-3px);
}

.btn-accent {
  background: linear-gradient(135deg, rgba(253, 121, 168, 0.8), rgba(232, 67, 147, 0.9));
  color: white;
  border-color: rgba(250, 177, 200, 0.4);
  box-shadow: var(--glow-accent);
  text-shadow: 0 0 10px rgba(253, 121, 168, 0.5);
}

.btn-accent:hover {
  box-shadow: 0 0 40px rgba(253, 121, 168, 0.8), 0 0 80px rgba(253, 121, 168, 0.3);
  transform: translateY(-3px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(124, 111, 247, 0.1);
  border-color: rgba(124, 111, 247, 0.3);
  box-shadow: 0 0 15px rgba(124, 111, 247, 0.12);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.7rem;
  letter-spacing: 1px;
}

.btn-lg {
  padding: 18px 44px;
  font-size: 1rem;
}

.btn-pixel {
  font-family: var(--pixel-font);
  font-size: 0.7rem;
  padding: 16px 32px;
  image-rendering: pixelated;
  border-width: 4px;
  border-style: solid;
  border-color: var(--primary);
  border-bottom-width: 8px;
  box-shadow: none;
}

.btn-pixel:active {
  border-bottom-width: 4px;
  transform: translateY(4px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ========== OPENING SCREEN ========== */
#opening-screen {
  background: linear-gradient(145deg, #030310 0%, #120828 45%, #081828 100%);
  text-align: center;
  padding: 20px;
  position: relative;
}

#opening-screen::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(124, 111, 247, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.opening-logo {
  margin-bottom: 28px;
  position: relative;
  z-index: 2;
}

.opening-logo h1 {
  font-family: var(--pixel-font);
  font-size: 3.2rem;
  line-height: 1.2;
  margin-bottom: 10px;
  text-shadow: 0 0 40px rgba(0, 229, 223, 0.12), 0 0 80px rgba(124, 111, 247, 0.06);
  position: relative;
  display: inline-block;
  letter-spacing: 4px;
}

.opening-logo h1::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), var(--primary), transparent);
  opacity: 0.25;
  border-radius: 1px;
}

.opening-logo h1 span {
  display: block;
  font-size: 1.6rem;
  color: var(--secondary);
  text-shadow: 0 0 30px rgba(0, 229, 223, 0.2), 0 0 60px rgba(0, 229, 223, 0.08);
  letter-spacing: 6px;
}

.opening-logo .subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-top: 20px;
  font-style: italic;
  letter-spacing: 0.8px;
  font-family: var(--body-font);
  display: block;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  text-shadow: 0 0 15px rgba(160, 160, 216, 0.08);
}

.opening-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}

/* ---- Base Particle ---- */
.particle {
  position: absolute;
  pointer-events: none;
  will-change: transform, opacity;
}

/* Static floating dots */
.particle.static {
  border-radius: 50%;
  animation: particleFloat 5s ease-in-out infinite alternate;
  box-shadow: 0 0 6px currentColor;
}

@keyframes particleFloat {
  0% { transform: translateY(0) translateX(0) scale(1); opacity: 0.4; }
  33% { transform: translateY(-18px) translateX(8px) scale(1.1); opacity: 0.8; }
  66% { transform: translateY(-8px) translateX(-6px) scale(0.9); opacity: 0.5; }
  100% { transform: translateY(-25px) translateX(4px) scale(1.05); opacity: 0.7; }
}

/* Code symbols floating */
.particle.code-symbol {
  font-family: var(--pixel-font);
  border-radius: 0;
  animation: symbolDrift 12s ease-in-out infinite alternate;
  line-height: 1;
  background: none !important;
  width: auto !important;
  height: auto !important;
}

@keyframes symbolDrift {
  0% { transform: translateY(0) translateX(0) rotate(0deg); opacity: 0.08; }
  25% { transform: translateY(-20px) translateX(12px) rotate(5deg); opacity: 0.15; }
  50% { transform: translateY(-10px) translateX(-8px) rotate(-3deg); opacity: 0.1; }
  75% { transform: translateY(-30px) translateX(6px) rotate(4deg); opacity: 0.18; }
  100% { transform: translateY(-15px) translateX(-4px) rotate(-2deg); opacity: 0.08; }
}

/* Twinkling stars */
.particle.twinkle {
  border-radius: 50%;
  background: white;
  animation: twinkle 2.5s ease-in-out infinite alternate;
  box-shadow: 0 0 4px rgba(255,255,255,0.3);
}

@keyframes twinkle {
  0% { transform: scale(1); opacity: 0.2; box-shadow: 0 0 2px rgba(255,255,255,0.1); }
  50% { transform: scale(1.5); opacity: 0.9; box-shadow: 0 0 8px rgba(255,255,255,0.5); }
  100% { transform: scale(0.8); opacity: 0.3; box-shadow: 0 0 3px rgba(255,255,255,0.15); }
}

/* Shooting particles */
.particle.shoot {
  border-radius: 50%;
  animation: particleShoot 4s linear forwards;
}

@keyframes particleShoot {
  0% { transform: translateY(0) translateX(0) scale(1); opacity: 0.9; }
  20% { opacity: 0.7; }
  50% { transform: translateY(40vh) translateX(20px) scale(0.6); opacity: 0.4; }
  80% { opacity: 0.2; }
  100% { transform: translateY(80vh) translateX(-10px) scale(0.2); opacity: 0; }
}

.opening-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
  position: relative;
  z-index: 2;
  background: rgba(26, 26, 62, 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 22px 28px;
  border: 1px solid rgba(124, 111, 247, 0.1);
  max-width: 320px;
  width: 100%;
}

.opening-actions::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124, 111, 247, 0.2), transparent);
}

.opening-actions .btn {
  min-width: 220px;
}

.opening-actions .btn:first-child {
  margin-bottom: 4px;
}

.version-text {
  position: absolute;
  bottom: 16px;
  font-size: 0.6rem;
  color: var(--text-muted);
  font-family: var(--pixel-font);
  opacity: 0.5;
  z-index: 2;
}

/* ========== INTRO STORY SCREEN ========== */
/* ---- Mobile-first base ---- */
#intro-screen {
  padding: 20px 12px;
  text-align: center;
}

.intro-container {
  max-width: 620px;
  margin: 0 auto;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: 100%;
}

/* ---- Header ---- */
.intro-header {
  text-align: center;
  position: relative;
  z-index: 2;
}

.intro-header-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0 auto 10px;
  border-radius: 14px;
  background: rgba(124, 111, 247, 0.1);
  border: 1px solid rgba(124, 111, 247, 0.15);
  animation: float 3s ease-in-out infinite;
}

.intro-header-icon .material-symbols-outlined {
  font-size: 22px;
  color: var(--secondary);
}

.intro-title {
  font-family: var(--cyber-font);
  font-size: 0.7rem;
  color: var(--text-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
  text-shadow: 0 0 20px rgba(0, 229, 223, 0.12);
  position: relative;
  display: inline-block;
}

.intro-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 223, 0.2), transparent);
}

.intro-subtitle {
  color: var(--text-muted);
  font-size: 0.7rem;
  margin-top: 8px;
  letter-spacing: 0.5px;
}

/* ---- Avatar ---- */
.intro-avatar {
  margin-bottom: 4px;
  position: relative;
  z-index: 2;
}

.intro-avatar-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.intro-avatar-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 90px;
  height: 110px;
  border-radius: var(--radius);
  background: rgba(26, 26, 62, 0.6);
  border: 2px solid rgba(0, 229, 223, 0.2);
  box-shadow: 0 0 20px rgba(0, 229, 223, 0.08), inset 0 0 20px rgba(0, 229, 223, 0.02);
  animation: float 3s ease-in-out infinite;
  overflow: hidden;
  transition: all 0.3s ease;
}

.intro-avatar-preview:hover {
  border-color: rgba(0, 229, 223, 0.4);
  box-shadow: 0 0 30px rgba(0, 229, 223, 0.15);
}

.intro-avatar-name {
  font-family: var(--cyber-font);
  font-size: 0.55rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ---- Story Cards (mobile: 1 column) ---- */
.intro-story-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  position: relative;
  z-index: 2;
}

/* ---- Card Base (mobile: horizontal row) ---- */
.intro-story-card {
  position: relative;
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  text-align: left;
  cursor: default;
  overflow: hidden;
  animation: introCardIn 0.5s ease-out backwards;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 6px 12px;

  /* Glass base */
  background: rgba(26, 26, 62, 0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

@keyframes introCardIn {
  from { opacity: 0; transform: translateY(24px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Glow ring (hidden, shown on hover) */
.intro-card-glow {
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 0;
}

/* Top accent bar */
.intro-story-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 0 0 2px 2px;
  transition: all 0.4s ease;
  z-index: 1;
}

.card-beat1::before { background: var(--secondary); box-shadow: 0 0 12px rgba(0, 229, 223, 0.15); }
.card-beat2::before { background: var(--accent); box-shadow: 0 0 12px rgba(255, 107, 157, 0.15); }
.card-beat3::before { background: var(--primary); box-shadow: 0 0 12px rgba(124, 111, 247, 0.15); }

.card-beat1 .intro-card-glow {
  background: linear-gradient(135deg, rgba(0, 229, 223, 0.06), transparent 60%);
  border: 1px solid rgba(0, 229, 223, 0.12);
}
.card-beat2 .intro-card-glow {
  background: linear-gradient(135deg, rgba(255, 107, 157, 0.06), transparent 60%);
  border: 1px solid rgba(255, 107, 157, 0.12);
}
.card-beat3 .intro-card-glow {
  background: linear-gradient(135deg, rgba(124, 111, 247, 0.06), transparent 60%);
  border: 1px solid rgba(124, 111, 247, 0.12);
}

/* ---- Hover States ---- */
.intro-story-card:hover {
  transform: translateY(-4px) scale(1.01);
}

.card-beat1:hover {
  border-color: rgba(0, 229, 223, 0.25);
  box-shadow: 0 8px 24px rgba(0, 229, 223, 0.12), 0 0 20px rgba(0, 229, 223, 0.04);
}
.card-beat2:hover {
  border-color: rgba(255, 107, 157, 0.25);
  box-shadow: 0 8px 24px rgba(255, 107, 157, 0.12), 0 0 20px rgba(255, 107, 157, 0.04);
}
.card-beat3:hover {
  border-color: rgba(124, 111, 247, 0.25);
  box-shadow: 0 8px 24px rgba(124, 111, 247, 0.12), 0 0 20px rgba(124, 111, 247, 0.04);
}

.intro-story-card:hover .intro-card-glow {
  opacity: 1;
}

.intro-story-card:hover::before {
  height: 2.5px;
}

/* ---- Card Badge ---- */
.intro-card-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-family: var(--cyber-font);
  font-size: 0.4rem;
  letter-spacing: 1px;
  font-weight: 600;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.card-beat1 .intro-card-badge {
  color: var(--secondary);
  background: rgba(0, 229, 223, 0.08);
  border: 1px solid rgba(0, 229, 223, 0.15);
}
.card-beat2 .intro-card-badge {
  color: var(--accent);
  background: rgba(255, 107, 157, 0.08);
  border: 1px solid rgba(255, 107, 157, 0.15);
}
.card-beat3 .intro-card-badge {
  color: var(--primary-light);
  background: rgba(124, 111, 247, 0.08);
  border: 1px solid rgba(124, 111, 247, 0.15);
}

.intro-story-card:hover .intro-card-badge {
  transform: scale(1.05);
}

.card-beat1:hover .intro-card-badge { box-shadow: 0 0 10px rgba(0, 229, 223, 0.12); }
.card-beat2:hover .intro-card-badge { box-shadow: 0 0 10px rgba(255, 107, 157, 0.12); }
.card-beat3:hover .intro-card-badge { box-shadow: 0 0 10px rgba(124, 111, 247, 0.12); }

/* ---- Card Icon ---- */
.intro-card-icon-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
  margin-top: 2px;
}

.intro-card-icon-wrap::after {
  content: '';
  position: absolute;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  opacity: 0.06;
  pointer-events: none;
  transition: all 0.4s ease;
}

.card-beat1 .intro-card-icon-wrap::after { background: var(--secondary); box-shadow: 0 0 20px var(--secondary); }
.card-beat2 .intro-card-icon-wrap::after { background: var(--accent); box-shadow: 0 0 20px var(--accent); }
.card-beat3 .intro-card-icon-wrap::after { background: var(--primary); box-shadow: 0 0 20px var(--primary); }

.intro-card-icon {
  font-size: 26px !important;
  position: relative;
  z-index: 1;
  transition: all 0.4s ease;
}

.card-beat1 .intro-card-icon { color: var(--secondary) !important; }
.card-beat2 .intro-card-icon { color: var(--accent) !important; }
.card-beat3 .intro-card-icon { color: var(--primary-light) !important; }

.intro-story-card:hover .intro-card-icon {
  transform: scale(1.1) rotate(-5deg);
}

/* ---- Card Text ---- */
.intro-card-text {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
  position: relative;
  z-index: 1;
  flex: 1;
  min-width: 180px;
  transition: all 0.3s ease;
}

.intro-card-text strong {
  color: var(--text-primary);
}

.intro-story-card:hover .intro-card-text {
  color: var(--text-primary);
}

/* ---- Typewriter Cursor ---- */
.typewriter-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--secondary);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: typewriterBlink 0.8s step-end infinite;
  box-shadow: 0 0 6px rgba(0, 229, 223, 0.4);
}

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

/* ---- Skip Typewriter Button ---- */
.intro-skip-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 2;
  margin-top: -2px;
}

.btn-skip-typewriter {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border: 1px solid rgba(124, 111, 247, 0.15);
  border-radius: 20px;
  background: rgba(26, 26, 62, 0.6);
  backdrop-filter: blur(8px);
  color: var(--text-muted);
  font-family: var(--cyber-font);
  font-size: 0.45rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.25s ease;
  animation: fadeIn 0.3s ease-out;
}

.btn-skip-typewriter:hover {
  color: var(--secondary);
  border-color: rgba(0, 229, 223, 0.25);
  background: rgba(0, 229, 223, 0.08);
  box-shadow: 0 0 12px rgba(0, 229, 223, 0.08);
}

.btn-skip-typewriter:active {
  transform: scale(0.95);
}

.btn-skip-typewriter.hidden {
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.btn-skip-typewriter .material-symbols-outlined {
  font-size: 14px !important;
}

.typewriter-cursor-end {
  animation: typewriterBlink 1s step-end infinite !important;
}

/* ---- Actions ---- */
.intro-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 4px;
  position: relative;
  z-index: 2;
}

.intro-actions .btn {
  min-width: 180px;
}

/* ========== CHARACTER CREATOR SCREEN ========== */
#character-screen {
  padding: 12px 10px;
  overflow-y: auto;
  justify-content: flex-start;
  padding-top: 14px;
}

.char-header-title {
  font-family: var(--cyber-font);
  font-size: 0.7rem;
  margin-bottom: 14px;
  color: var(--text-primary);
  text-align: center;
  letter-spacing: 3px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-shadow: 0 0 20px rgba(0, 229, 223, 0.15);
  position: relative;
}

.char-header-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 25%;
  right: 25%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 223, 0.15), transparent);
}

.char-header-title .material-symbols-outlined {
  font-size: 20px;
  color: var(--accent);
  animation: float 2s ease-in-out infinite;
  text-shadow: 0 0 12px rgba(255, 107, 157, 0.3);
}

.character-creator {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  max-width: 680px;
  width: 100%;
  position: relative;
  z-index: 2;
}

/* ---- Preview Panel ---- */
.char-preview {
  flex-shrink: 0;
  width: 120px;
  height: 162px;
  background: rgba(26, 26, 62, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius);
  border: 2px solid rgba(124, 111, 247, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.char-preview.glow-active {
  box-shadow: 0 6px 32px rgba(0, 0, 0, 0.35), 0 0 20px color-mix(in srgb, var(--glow-color, #6C5CE7) 40%, transparent), 0 0 50px color-mix(in srgb, var(--glow-color, #6C5CE7) 10%, transparent);
  border-color: color-mix(in srgb, var(--glow-color, #6C5CE7) 50%, transparent);
}

.char-preview::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(124, 111, 247, 0.08));
  pointer-events: none;
}

.char-preview::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124, 111, 247, 0.3), transparent);
}

.char-avatar {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.2s ease;
  min-height: 100px;
  position: relative;
  z-index: 1;
}

.char-name-display {
  margin-top: 10px;
  font-family: var(--pixel-font);
  font-size: 0.45rem;
  color: var(--text-secondary);
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---- Options Panel ---- */
.char-options {
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.char-category {
  background: rgba(26, 26, 62, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  border: 1px solid rgba(124, 111, 247, 0.12);
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255,255,255,0.02);
  position: relative;
}

.char-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124, 111, 247, 0.15), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.char-category:hover {
  border-color: rgba(124, 111, 247, 0.3);
  box-shadow: 0 4px 24px rgba(124, 111, 247, 0.12), 0 0 30px rgba(124, 111, 247, 0.04), inset 0 1px 0 rgba(255,255,255,0.03);
  transform: translateY(-1px);
}

.char-category:hover::before {
  opacity: 1;
}

.char-category-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-family: var(--cyber-font);
  font-size: 0.48rem;
  color: var(--text-primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  background: rgba(124, 111, 247, 0.05);
  position: relative;
}

.char-category-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 223, 0.12), transparent);
}

.char-cat-icon {
  font-size: 15px !important;
  color: var(--secondary);
  text-shadow: 0 0 8px rgba(0, 229, 223, 0.3);
}

.char-category-body {
  padding: 12px 14px;
}

/* ---- Option Grids ---- */
.option-grid {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.avatar-grid {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Hair / Accessory option buttons */
.char-opt-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 6px 4px;
  border-radius: 10px;
  border: 1.5px solid rgba(255,255,255,0.06);
  background: rgba(37, 37, 82, 0.35);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  min-width: 46px;
  position: relative;
  overflow: hidden;
}

.char-opt-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(124,111,247,0.06), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}

.char-opt-btn:hover {
  border-color: rgba(124, 111, 247, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(124, 111, 247, 0.12);
}

.char-opt-btn:hover::before {
  opacity: 1;
}

.char-opt-btn.selected {
  border-color: var(--secondary);
  background: rgba(0, 229, 223, 0.08);
  box-shadow: 0 0 14px rgba(0, 229, 223, 0.15), inset 0 0 8px rgba(0, 229, 223, 0.05);
}

.char-opt-avatar {
  pointer-events: none;
  transform: scale(0.85);
  line-height: 0;
}

.char-opt-label {
  font-family: var(--pixel-font);
  font-size: 0.35rem;
  color: var(--text-muted);
  pointer-events: none;
  line-height: 1;
}

.char-opt-btn.selected .char-opt-label {
  color: var(--secondary);
}

/* Skin color buttons */
.skin-grid {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.char-skin-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.08);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  position: relative;
}

.char-skin-btn:hover {
  transform: scale(1.18);
  border-color: rgba(124, 111, 247, 0.3);
}

.char-skin-btn.selected {
  border-color: var(--secondary);
  box-shadow: 0 0 14px rgba(0, 229, 223, 0.2);
  transform: scale(1.12);
}

.skin-swatch {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

.char-skin-btn.selected .skin-swatch {
  box-shadow: inset 0 0 6px rgba(0,0,0,0.15);
}

/* Outfit color buttons */
.color-grid {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  justify-content: center;
}

.char-color-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.08);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
}

.char-color-btn:hover {
  transform: scale(1.22);
  border-color: rgba(124, 111, 247, 0.3);
}

.char-color-btn.selected {
  border-color: var(--secondary);
  box-shadow: 0 0 14px rgba(0, 229, 223, 0.2);
  transform: scale(1.18);
}

.color-swatch {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--swatch);
}

.char-color-btn.selected .color-swatch {
  box-shadow: 0 0 4px rgba(255,255,255,0.2);
}

/* Name input */
.name-category {
  background: rgba(26, 26, 62, 0.5);
}

.char-name-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(37, 37, 82, 0.4);
  border: 1.5px solid rgba(124, 111, 247, 0.15);
  border-radius: 10px;
  padding: 2px 10px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.char-name-wrap:focus-within {
  border-color: var(--secondary);
  box-shadow: 0 0 16px rgba(0, 229, 223, 0.1);
}

.char-name-icon {
  font-size: 16px !important;
  color: var(--text-muted);
}

.char-name-input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 10px 4px;
  color: var(--text-primary);
  font-family: var(--body-font);
  font-size: 0.85rem;
  outline: none;
  min-width: 0;
}

.char-name-input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.char-name-count {
  font-family: var(--pixel-font);
  font-size: 0.4rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Bottom Actions */
.char-bottom-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
  justify-content: center;
  flex-wrap: wrap;
}

.char-random-btn,
.char-save-btn {
  flex: 1;
  min-width: 120px;
  padding: 10px 16px;
  font-size: 0.6rem;
}

.char-random-btn.spinning .material-symbols-outlined {
  animation: spin 0.6s ease-in-out;
}

/* ========== TUTORIAL SCREEN ========== */
/* ---- Mobile-first base (1 column) ---- */
#tutorial-screen {
  padding: 20px 12px;
  text-align: center;
}

.tutorial-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: 100%;
}

/* ---- Header ---- */
.tutorial-header {
  text-align: center;
  position: relative;
  z-index: 2;
}

.tutorial-header-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0 auto 10px;
  border-radius: 14px;
  background: rgba(124, 111, 247, 0.1);
  border: 1px solid rgba(124, 111, 247, 0.15);
  animation: float 3s ease-in-out infinite;
}

.tutorial-header-icon .material-symbols-outlined {
  font-size: 22px;
  color: var(--secondary);
}

.tutorial-title {
  font-family: var(--cyber-font);
  font-size: 0.7rem;
  color: var(--text-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
  text-shadow: 0 0 20px rgba(0, 229, 223, 0.12);
  position: relative;
  display: inline-block;
}

.tutorial-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 223, 0.2), transparent);
}

.tutorial-subtitle {
  color: var(--text-muted);
  font-size: 0.7rem;
  margin-top: 8px;
  letter-spacing: 0.5px;
}

/* ---- Cards Grid (mobile: 1 column) ---- */
.tutorial-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  position: relative;
  z-index: 2;
}

/* ---- Card Base (mobile: horizontal row) ---- */
.tutorial-card {
  position: relative;
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  text-align: left;
  cursor: default;
  overflow: hidden;
  animation: tutCardIn 0.5s ease-out backwards;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;

  /* Glass base */
  background: rgba(26, 26, 62, 0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

@keyframes tutCardIn {
  from { opacity: 0; transform: translateY(24px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Glow ring (hidden, shown on hover) */
.tutorial-card-glow {
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 0;
}

/* Top accent bar */
.tutorial-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 0 0 2px 2px;
  transition: all 0.4s ease;
  z-index: 1;
}

.card-step1::before { background: var(--secondary); box-shadow: 0 0 12px rgba(0, 229, 223, 0.15); }
.card-step2::before { background: var(--primary); box-shadow: 0 0 12px rgba(124, 111, 247, 0.15); }
.card-step3::before { background: var(--warning); box-shadow: 0 0 12px rgba(255, 200, 87, 0.15); }
.card-step4::before { background: var(--accent); box-shadow: 0 0 12px rgba(255, 107, 157, 0.15); }

.card-step1 .tutorial-card-glow {
  background: linear-gradient(135deg, rgba(0, 229, 223, 0.06), transparent 60%);
  border: 1px solid rgba(0, 229, 223, 0.12);
}
.card-step2 .tutorial-card-glow {
  background: linear-gradient(135deg, rgba(124, 111, 247, 0.06), transparent 60%);
  border: 1px solid rgba(124, 111, 247, 0.12);
}
.card-step3 .tutorial-card-glow {
  background: linear-gradient(135deg, rgba(255, 200, 87, 0.06), transparent 60%);
  border: 1px solid rgba(255, 200, 87, 0.12);
}
.card-step4 .tutorial-card-glow {
  background: linear-gradient(135deg, rgba(255, 107, 157, 0.06), transparent 60%);
  border: 1px solid rgba(255, 107, 157, 0.12);
}

/* ---- Hover States (mobile) ---- */
.tutorial-card:hover {
  transform: translateY(-4px) scale(1.01);
}

.card-step1:hover {
  border-color: rgba(0, 229, 223, 0.25);
  box-shadow: 0 8px 24px rgba(0, 229, 223, 0.12), 0 0 20px rgba(0, 229, 223, 0.04);
}
.card-step2:hover {
  border-color: rgba(124, 111, 247, 0.25);
  box-shadow: 0 8px 24px rgba(124, 111, 247, 0.12), 0 0 20px rgba(124, 111, 247, 0.04);
}
.card-step3:hover {
  border-color: rgba(255, 200, 87, 0.25);
  box-shadow: 0 8px 24px rgba(255, 200, 87, 0.12), 0 0 20px rgba(255, 200, 87, 0.04);
}
.card-step4:hover {
  border-color: rgba(255, 107, 157, 0.25);
  box-shadow: 0 8px 24px rgba(255, 107, 157, 0.12), 0 0 20px rgba(255, 107, 157, 0.04);
}

.tutorial-card:hover .tutorial-card-glow {
  opacity: 1;
}

.tutorial-card:hover::before {
  height: 2.5px;
}

/* ---- Card Badge ---- */
.tutorial-card-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-family: var(--cyber-font);
  font-size: 0.4rem;
  letter-spacing: 1px;
  font-weight: 600;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.card-step1 .tutorial-card-badge {
  color: var(--secondary);
  background: rgba(0, 229, 223, 0.08);
  border: 1px solid rgba(0, 229, 223, 0.15);
}
.card-step2 .tutorial-card-badge {
  color: var(--primary-light);
  background: rgba(124, 111, 247, 0.08);
  border: 1px solid rgba(124, 111, 247, 0.15);
}
.card-step3 .tutorial-card-badge {
  color: var(--warning);
  background: rgba(255, 200, 87, 0.08);
  border: 1px solid rgba(255, 200, 87, 0.15);
}
.card-step4 .tutorial-card-badge {
  color: var(--accent);
  background: rgba(255, 107, 157, 0.08);
  border: 1px solid rgba(255, 107, 157, 0.15);
}

.tutorial-card:hover .tutorial-card-badge {
  transform: scale(1.05);
}

.card-step1:hover .tutorial-card-badge { box-shadow: 0 0 10px rgba(0, 229, 223, 0.12); }
.card-step2:hover .tutorial-card-badge { box-shadow: 0 0 10px rgba(124, 111, 247, 0.12); }
.card-step3:hover .tutorial-card-badge { box-shadow: 0 0 10px rgba(255, 200, 87, 0.12); }
.card-step4:hover .tutorial-card-badge { box-shadow: 0 0 10px rgba(255, 107, 157, 0.12); }

/* ---- Card Icon ---- */
.tutorial-card-icon-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
}

.tutorial-card-icon-wrap::after {
  content: '';
  position: absolute;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  opacity: 0.06;
  pointer-events: none;
  transition: all 0.4s ease;
}

.card-step1 .tutorial-card-icon-wrap::after { background: var(--secondary); box-shadow: 0 0 20px var(--secondary); }
.card-step2 .tutorial-card-icon-wrap::after { background: var(--primary); box-shadow: 0 0 20px var(--primary); }
.card-step3 .tutorial-card-icon-wrap::after { background: var(--warning); box-shadow: 0 0 20px var(--warning); }
.card-step4 .tutorial-card-icon-wrap::after { background: var(--accent); box-shadow: 0 0 20px var(--accent); }

.tutorial-card-icon {
  font-size: 26px !important;
  position: relative;
  z-index: 1;
  transition: all 0.4s ease;
}

.card-step1 .tutorial-card-icon { color: var(--secondary) !important; }
.card-step2 .tutorial-card-icon { color: var(--primary-light) !important; }
.card-step3 .tutorial-card-icon { color: var(--warning) !important; }
.card-step4 .tutorial-card-icon { color: var(--accent) !important; }

.tutorial-card:hover .tutorial-card-icon {
  transform: scale(1.1) rotate(-5deg);
}

/* ---- Card Title ---- */
.tutorial-card-title {
  font-family: var(--cyber-font);
  font-size: 0.65rem;
  color: var(--text-primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0;
  position: relative;
  z-index: 1;
  text-align: center;
  flex: 1;
  transition: all 0.3s ease;
}

.tutorial-card:hover .tutorial-card-title {
  letter-spacing: 1.5px;
}

/* ---- Actions ---- */
.tutorial-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 4px;
  position: relative;
  z-index: 2;
}

.tutorial-actions .btn {
  min-width: 180px;
}

/* ========== WORLD MAP SCREEN (HUB) ========== */
#world-screen {
  padding: 14px;
}

.world-hub {
  width: 100%;
  max-width: 850px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  z-index: 2;
}

/* ---- Premium HUD Dashboard ---- */
.world-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: rgba(18, 18, 48, 0.85);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-radius: var(--radius);
  border: 1px solid rgba(124, 111, 247, 0.1);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255,255,255,0.04);
  position: relative;
  overflow: hidden;
  gap: 4px;
}

.world-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124, 111, 247, 0.2), transparent);
}

/* Gradient accent bar at bottom */
.world-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 223, 0.15), transparent);
}

.world-header .hud-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  color: var(--text-primary);
  padding: 4px 8px;
  border-radius: 8px;
  background: rgba(0,0,0,0.15);
  border: 1px solid rgba(255,255,255,0.03);
  transition: var(--transition);
}

.world-header .hud-item:hover {
  background: rgba(124, 111, 247, 0.06);
  border-color: rgba(124, 111, 247, 0.1);
}

.world-header .hud-item .icon {
  font-size: 1rem;
  color: var(--text-muted);
  opacity: 0.7;
}

.world-header .hud-item .value {
  font-weight: 700;
  color: var(--secondary);
  text-shadow: 0 0 10px rgba(0, 206, 201, 0.3);
}

/* Player name special style */
.world-header .hud-item:last-child {
  border-color: rgba(124, 111, 247, 0.12);
  background: linear-gradient(135deg, rgba(124,111,247,0.08), rgba(0,229,223,0.04));
}

.world-header .hud-item:last-child .icon {
  color: var(--accent);
  opacity: 1;
}

.hud-progress-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.hud-progress-track {
  width: 44px;
  height: 5px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.3);
}

.hud-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  border-radius: 3px;
  transition: width 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

/* Shimmer on progress fill */
.hud-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ---- Map Nodes Grid ---- */
.world-map {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  padding: 18px;
  background: rgba(18, 18, 48, 0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(124, 111, 247, 0.08);
  position: relative;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255,255,255,0.02);
}

/* Subtle dot pattern overlay */
.world-map::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle, rgba(124, 111, 247, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
  border-radius: inherit;
}

/* Progression path line connecting nodes */
.world-map::after {
  content: '';
  position: absolute;
  top: 20%;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%,
    var(--primary) 8%,
    var(--secondary) 25%,
    var(--primary) 50%,
    var(--secondary) 75%,
    var(--primary) 92%,
    transparent 100%
  );
  opacity: 0.12;
  z-index: 0;
  pointer-events: none;
}

/* ---- Map Node Card ---- */
.map-node {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 6px 10px;
  background: rgba(28, 28, 68, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.04);
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-align: center;
  overflow: visible;
  animation: mapNodeIn 0.5s ease-out backwards;
}

@keyframes mapNodeIn {
  from { opacity: 0; transform: translateY(24px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Subtle gradient overlay on each card */
.map-node::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(124, 111, 247, 0.05) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.map-node:hover:not(.locked)::after {
  opacity: 1;
}

/* Hover lift effect */
.map-node:hover:not(.locked) {
  transform: translateY(-6px) scale(1.03);
  border-color: rgba(124, 111, 247, 0.3);
  box-shadow: 0 12px 35px rgba(124, 111, 247, 0.2), 0 0 15px rgba(124, 111, 247, 0.05);
}

/* Active press */
.map-node:active:not(.locked) {
  transform: translateY(-2px) scale(0.98);
}

/* ---- Map Node Statuses ---- */
.map-node.locked {
  opacity: 0.3;
  cursor: not-allowed;
  filter: grayscale(0.8);
}

.map-node.locked:hover {
  transform: none;
  box-shadow: none;
  border-color: rgba(255,255,255,0.04);
}

.map-node.completed {
  border-color: rgba(0, 212, 160, 0.25);
  background: rgba(0, 212, 160, 0.05);
  box-shadow: 0 0 12px rgba(0, 212, 160, 0.06), inset 0 0 20px rgba(0, 212, 160, 0.02);
}

.map-node.completed::after {
  background: linear-gradient(180deg, rgba(0, 212, 160, 0.06), transparent);
  opacity: 1;
}

.map-node.completed:hover:not(.locked) {
  box-shadow: 0 12px 35px rgba(0, 212, 160, 0.18), 0 0 15px rgba(0, 212, 160, 0.05);
  border-color: rgba(0, 212, 160, 0.4);
}

.map-node.unlocked {
  border-color: rgba(124, 111, 247, 0.12);
  cursor: pointer;
}

.map-node.unlocked:hover:not(.locked) {
  border-color: rgba(124, 111, 247, 0.35);
  box-shadow: 0 12px 35px rgba(124, 111, 247, 0.2), 0 0 15px rgba(124, 111, 247, 0.05);
}

.map-node.current {
  border-color: rgba(0, 229, 223, 0.3);
  box-shadow: 0 0 20px rgba(0, 229, 223, 0.1), inset 0 0 25px rgba(0, 229, 223, 0.02);
  animation: mapNodeIn 0.5s ease-out backwards, currentPulse 2.5s ease-in-out infinite;
  background: rgba(0, 229, 223, 0.04);
}

.map-node.current::after {
  background: linear-gradient(180deg, rgba(0, 229, 223, 0.08), transparent);
  opacity: 1;
}

@keyframes currentPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 229, 223, 0.1), inset 0 0 25px rgba(0, 229, 223, 0.02); }
  50% { box-shadow: 0 0 35px rgba(0, 229, 223, 0.2), inset 0 0 35px rgba(0, 229, 223, 0.04); border-color: rgba(0, 229, 223, 0.45); }
}

.map-node.current:hover:not(.locked) {
  box-shadow: 0 12px 35px rgba(0, 229, 223, 0.22), 0 0 25px rgba(0, 229, 223, 0.08);
}

/* Level Number Badge */
.map-node-number {
  position: absolute;
  top: -7px;
  right: -7px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--cyber-font);
  font-size: 0.42rem;
  font-weight: 700;
  border-radius: 50%;
  background: rgba(18, 18, 48, 0.95);
  border: 1.5px solid rgba(124, 111, 247, 0.25);
  color: var(--text-muted);
  box-shadow: 0 2px 10px rgba(0,0,0,0.4);
  z-index: 2;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.map-node.completed .map-node-number {
  border-color: var(--success);
  color: var(--success);
  background: rgba(0, 212, 160, 0.15);
  box-shadow: 0 2px 10px rgba(0, 212, 160, 0.2);
}

.map-node.current .map-node-number {
  border-color: var(--secondary);
  color: var(--secondary);
  background: rgba(0, 229, 223, 0.15);
  box-shadow: 0 2px 10px rgba(0, 229, 223, 0.2);
}

.map-node.unlocked .map-node-number {
  border-color: rgba(124, 111, 247, 0.35);
  color: var(--primary-light);
  box-shadow: 0 2px 10px rgba(124, 111, 247, 0.12);
}

.map-node-icon {
  font-size: 1.25rem;
  line-height: 1;
  margin-bottom: 1px;
  position: relative;
  z-index: 1;
}

.map-node-icon svg {
  width: 22px !important;
  height: 22px !important;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.map-node.locked .map-node-icon {
  filter: grayscale(0.6);
  opacity: 0.4;
}

.map-node.completed .map-node-icon svg {
  filter: drop-shadow(0 0 6px rgba(0, 212, 160, 0.15));
}

.map-node.current .map-node-icon svg {
  filter: drop-shadow(0 0 8px rgba(0, 229, 223, 0.2));
}

.map-node-name {
  font-size: 0.47rem;
  font-family: var(--pixel-font);
  color: var(--text-secondary);
  letter-spacing: 0.2px;
  line-height: 1.15;
  position: relative;
  z-index: 1;
}

.map-node-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-size: 0.42rem;
  color: var(--text-muted);
  font-family: var(--cyber-font);
  letter-spacing: 0.2px;
  margin-top: 2px;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
  position: relative;
  z-index: 1;
  min-width: 60px;
}

.map-status-icon {
  font-size: 11px !important;
}

.map-node.locked .map-node-status { 
  color: rgba(255,255,255,0.12);
  background: transparent;
}
.map-node.completed .map-node-status { 
  color: var(--success);
  background: rgba(0, 212, 160, 0.08);
}
.map-node.current .map-node-status { 
  color: var(--secondary);
  background: rgba(0, 229, 223, 0.08);
  box-shadow: 0 0 8px rgba(0, 229, 223, 0.04);
}
.map-node.unlocked .map-node-status { 
  color: var(--primary-light);
  background: rgba(124, 111, 247, 0.06);
}

/* ---- Bottom Navigation ---- */
.world-bottom-nav {
  display: flex;
  gap: 8px;
  justify-content: center;
  padding: 8px;
  background: rgba(18, 18, 48, 0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius);
  border: 1px solid rgba(124, 111, 247, 0.07);
  position: relative;
  overflow: hidden;
}

.world-bottom-nav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124, 111, 247, 0.1), transparent);
}

.world-bottom-nav .btn {
  padding: 7px 14px;
  font-size: 0.55rem;
  letter-spacing: 0.5px;
}

/* ========== LEVEL SCREEN ========== */
#level-screen {
  padding: 16px;
}

.level-container {
  width: 100%;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  z-index: 2;
}

.level-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: rgba(18, 18, 48, 0.85);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-radius: var(--radius);
  border: 1px solid rgba(124, 111, 247, 0.12);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255,255,255,0.04);
  position: relative;
  overflow: hidden;
}

.level-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124, 111, 247, 0.18), transparent);
}

.level-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 223, 0.12), transparent);
}

.level-header .level-title {
  font-family: var(--cyber-font);
  font-size: 0.7rem;
  color: var(--secondary);
  letter-spacing: 1px;
  text-shadow: 0 0 15px rgba(0, 229, 223, 0.15);
}

.level-header .level-score {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
}

.level-header .level-score span {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(0,0,0,0.25);
  padding: 5px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.04);
  transition: var(--transition);
}

.level-header .level-score span:hover {
  background: rgba(124, 111, 247, 0.06);
  border-color: rgba(124, 111, 247, 0.1);
}

.level-header .level-score span:first-child {
  background: rgba(255, 90, 90, 0.08);
  border-color: rgba(255, 90, 90, 0.12);
}

.level-body {
  flex: 1;
  background: rgba(18, 18, 48, 0.55);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(124, 111, 247, 0.08);
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255,255,255,0.02);
  position: relative;
  overflow: hidden;
}

.level-body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124, 111, 247, 0.12), transparent);
}

.level-body::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(124, 111, 247, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
  border-radius: inherit;
}

.level-body h3 {
  font-family: var(--cyber-font);
  font-size: 0.8rem;
  margin-bottom: 16px;
  color: var(--text-primary);
  text-align: center;
  letter-spacing: 1px;
  text-shadow: 0 0 20px rgba(108, 92, 231, 0.3);
  position: relative;
  z-index: 1;
}

.level-body .level-desc {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 20px;
  font-size: 0.85rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.level-body .level-hint {
  font-size: 0.7rem;
  color: var(--warning);
  margin-top: 12px;
  padding: 10px 18px;
  background: rgba(253, 203, 110, 0.08);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: 10px;
  border: 1px solid rgba(253, 203, 110, 0.15);
  box-shadow: 0 0 15px rgba(253, 203, 110, 0.05);
  position: relative;
  z-index: 1;
}

.level-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 4px;
}

/* ========== LEVEL 2 - VARIABLE ROOM (Drag & Drop) ========== */
.drag-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
  max-width: 500px;
}

.data-items {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  padding: 20px;
  background: rgba(108, 92, 231, 0.05);
  border-radius: 12px;
  border: 2px dashed rgba(108, 92, 231, 0.3);
  min-height: 60px;
}

.data-item {
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 8px;
  border: 2px solid rgba(108, 92, 231, 0.5);
  color: white;
  cursor: grab;
  font-family: var(--pixel-font);
  font-size: 0.6rem;
  transition: var(--transition);
  user-select: none;
}

.data-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(108, 92, 231, 0.3);
}

.data-item:active {
  cursor: grabbing;
  transform: scale(0.95);
}

.data-item.string {
  background: linear-gradient(135deg, #e84393, #fd79a8);
  border-color: rgba(253, 121, 168, 0.5);
}

.data-item.number {
  background: linear-gradient(135deg, #00b894, #00cec9);
  border-color: rgba(0, 206, 201, 0.5);
}

.data-item.boolean {
  background: linear-gradient(135deg, #fdcb6e, #e17055);
  border-color: rgba(253, 203, 110, 0.5);
}

.data-item.dragging {
  opacity: 0.5;
  transform: rotate(5deg);
}

.variable-slots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.variable-slot {
  padding: 16px;
  background: var(--bg-card-light);
  border-radius: 12px;
  border: 2px dashed rgba(255,255,255,0.15);
  min-height: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  position: relative;
}

.variable-slot .slot-label {
  font-family: var(--pixel-font);
  font-size: 0.5rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.variable-slot .slot-value {
  font-family: var(--pixel-font);
  font-size: 0.55rem;
  color: var(--text-secondary);
  min-height: 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
}

.variable-slot .slot-badge {
  padding: 4px 10px !important;
  font-size: 0.45rem !important;
  border-radius: 6px !important;
  display: inline-block;
  cursor: default !important;
  transform: none !important;
}

.variable-slot .slot-badge:hover {
  transform: none !important;
  box-shadow: none !important;
}

.variable-slot .slot-progress {
  font-size: 0.5rem;
  color: var(--success);
  font-family: var(--pixel-font);
  opacity: 0.7;
  position: absolute;
  bottom: 6px;
  right: 8px;
}

.variable-slot.drag-over {
  border-color: var(--secondary);
  box-shadow: 0 0 20px rgba(0, 206, 201, 0.2);
  background: rgba(0, 206, 201, 0.05);
}

.variable-slot.filled {
  border-style: solid;
  border-color: var(--success);
  background: rgba(0, 184, 148, 0.03);
}

/* ========== LEVEL 3 - INPUT OUTPUT ========== */
.io-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
  max-width: 500px;
}

.io-matching {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.io-item {
  padding: 12px 8px;
  background: var(--bg-card-light);
  border-radius: var(--radius-sm);
  border: 2px solid rgba(255,255,255,0.1);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--pixel-font);
  font-size: 0.45rem;
  word-break: break-word;
}

.io-item:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.io-item.selected {
  border-color: var(--warning);
  box-shadow: 0 0 15px rgba(253, 203, 110, 0.3);
}

.io-item.matched {
  border-color: var(--success);
  background: rgba(0, 184, 148, 0.1);
  cursor: default;
  opacity: 0.7;
}

.io-item.wrong {
  border-color: var(--danger);
  animation: shake 0.4s ease-out;
}

.io-outputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

/* ========== LEVEL 4 - IF ELSE ========== */
.ifelse-container {
  width: 100%;
  max-width: 550px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.scenario-text {
  text-align: center;
  font-size: 1rem;
  color: var(--text-primary);
  padding: 20px;
  background: rgba(108, 92, 231, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(108, 92, 231, 0.2);
  line-height: 1.6;
}

.scenario-text .code-inline {
  font-family: var(--pixel-font);
  font-size: 0.55rem;
  color: var(--secondary);
  background: rgba(0, 206, 201, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

.choices-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.choice-card {
  padding: 25px 20px;
  background: var(--bg-card-light);
  border-radius: 12px;
  border: 2px solid rgba(255,255,255,0.1);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.choice-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(108, 92, 231, 0.2);
}

.choice-card h4 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.choice-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.choice-card.correct {
  border-color: var(--success);
  background: rgba(0, 184, 148, 0.15);
}

.choice-card.wrong {
  border-color: var(--danger);
  background: rgba(255, 107, 107, 0.15);
  animation: shake 0.4s ease-out;
}

/* ========== LEVEL 5 - LOOP FACTORY ========== */
.loop-container {
  width: 100%;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

.robot-display {
  font-size: 5rem;
  animation: float 2s ease-in-out infinite;
  transition: var(--transition);
}

.robot-display.busy {
  animation: spin 1s linear infinite;
}

.loop-controls {
  display: flex;
  gap: 15px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

.loop-counter {
  font-family: var(--pixel-font);
  font-size: 1.5rem;
  color: var(--secondary);
  text-align: center;
}

.action-log {
  width: 100%;
  max-height: 120px;
  overflow-y: auto;
  padding: 12px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  font-family: var(--pixel-font);
  font-size: 0.5rem;
  color: var(--text-secondary);
  line-height: 2;
}

.action-log .log-entry {
  color: var(--secondary);
}

/* ========== LEVEL 6 - DEBUG ROOM ========== */
.debug-container {
  width: 100%;
  max-width: 550px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.debug-code {
  padding: 20px;
  background: #0d0d1a;
  border-radius: 12px;
  border: 1px solid rgba(108, 92, 231, 0.3);
  font-family: var(--pixel-font);
  font-size: 0.55rem;
  line-height: 2.2;
  white-space: pre-wrap;
  color: var(--text-secondary);
}

.debug-code .line-number {
  color: var(--text-muted);
  margin-right: 15px;
  user-select: none;
}

.debug-code .bug-line {
  background: rgba(255, 107, 107, 0.15);
  border-radius: 4px;
  padding: 2px 8px;
  cursor: pointer;
  transition: var(--transition);
}

.debug-code .bug-line:hover {
  background: rgba(255, 107, 107, 0.3);
}

.debug-code .bug-line.found {
  background: rgba(0, 184, 148, 0.2);
  text-decoration: line-through;
}

/* ========== LEVEL 7 - FUNCTION MACHINE ========== */
.function-container {
  width: 100%;
  max-width: 550px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

.function-flow {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  padding: 20px;
  background: rgba(108, 92, 231, 0.05);
  border-radius: 12px;
  border: 2px dashed rgba(108, 92, 231, 0.3);
  min-height: 80px;
}

.flow-step {
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 8px;
  color: white;
  font-family: var(--pixel-font);
  font-size: 0.5rem;
  cursor: grab;
  transition: var(--transition);
  user-select: none;
}

.flow-step:hover {
  transform: translateY(-2px);
  box-shadow: 0 3px 10px rgba(108, 92, 231, 0.3);
}

.flow-step.placed {
  cursor: default;
  opacity: 0.7;
}

.flow-step.start { background: linear-gradient(135deg, #00b894, #00cec9); }
.flow-step.input { background: linear-gradient(135deg, #6C5CE7, #a29bfe); }
.flow-step.process { background: linear-gradient(135deg, #fdcb6e, #e17055); }
.flow-step.output { background: linear-gradient(135deg, #74b9ff, #0984e3); }
.flow-step.end { background: linear-gradient(135deg, #ff6b6b, #e84393); }

.flow-arrow {
  font-size: 1.5rem;
  color: var(--text-muted);
}

.function-sequence {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  min-height: 50px;
  padding: 10px;
}

.function-sequence .flow-step {
  cursor: default;
}

/* ========== BOSS BATTLE SCREEN ========== */
.boss-container {
  width: 100%;
  max-width: 700px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.boss-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.boss-hp-bar {
  flex: 1;
  height: 20px;
  background: var(--bg-card-light);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(255,107,107,0.3);
  margin: 0 15px;
}

.boss-hp-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--danger), var(--accent));
  border-radius: 10px;
  transition: width 0.5s ease-out;
}

.boss-arena {
  display: flex;
  gap: 30px;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid rgba(255, 107, 107, 0.2);
  min-height: 250px;
}

.boss-character {
  font-size: 6rem;
  animation: float 2s ease-in-out infinite;
  transition: var(--transition);
}

.boss-character.hit {
  animation: shake 0.5s ease-out;
}

.boss-character.defeated {
  animation: float 1s ease-in-out infinite;
  filter: grayscale(1);
  opacity: 0.5;
}

.boss-question {
  flex: 1;
  text-align: center;
}

.boss-question h3 {
  font-family: var(--pixel-font);
  font-size: 0.7rem;
  margin-bottom: 15px;
  color: var(--danger);
}

.boss-question p {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.boss-answers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.boss-answer-btn {
  padding: 15px 20px;
  background: var(--bg-card-light);
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
  text-align: center;
}

.boss-answer-btn:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.boss-answer-btn.correct {
  border-color: var(--success);
  background: rgba(0, 184, 148, 0.15);
}

.boss-answer-btn.wrong {
  border-color: var(--danger);
  background: rgba(255, 107, 107, 0.15);
  animation: shake 0.4s ease-out;
}

/* ========== SCORE SCREEN ========== */
#score-screen {
  padding: 30px;
  text-align: center;
}

.score-container {
  max-width: 500px;
  width: 100%;
}

.score-container h2 {
  font-family: var(--pixel-font);
  font-size: 1.2rem;
  margin-bottom: 30px;
}

.score-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 30px;
}

.score-item {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid rgba(108, 92, 231, 0.2);
}

.score-item .label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.score-item .value {
  font-size: 1.8rem;
  font-weight: 700;
  font-family: var(--pixel-font);
  color: var(--secondary);
}

.badge-display {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
  margin-bottom: 30px;
}

.badge-item {
  width: 100px;
  text-align: center;
  padding: 15px 10px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 2px solid rgba(108, 92, 231, 0.3);
  transition: var(--transition);
}

.badge-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--glow-primary);
}

.badge-item .badge-icon {
  font-size: 2rem;
  margin-bottom: 5px;
}

.badge-item .badge-name {
  font-size: 0.6rem;
  font-family: var(--pixel-font);
  color: var(--text-secondary);
}

.badge-item.earned {
  border-color: var(--secondary);
  background: rgba(0, 206, 201, 0.05);
}

.badge-item.locked {
  opacity: 0.3;
  filter: grayscale(1);
}

.achievement-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 30px;
}

.achievement-chip {
  padding: 8px 16px;
  background: var(--bg-card);
  border-radius: 20px;
  border: 1px solid rgba(108, 92, 231, 0.3);
  font-size: 0.75rem;
  transition: var(--transition);
}

.achievement-chip.earned {
  border-color: var(--warning);
  background: rgba(253, 203, 110, 0.1);
  color: var(--warning);
}

.achievement-chip.locked {
  opacity: 0.3;
}

/* ========== CERTIFICATE SCREEN ========== */
#certificate-screen {
  padding: 30px;
  text-align: center;
}

.certificate-container {
  max-width: 600px;
  width: 100%;
}

.certificate-card {
  background: linear-gradient(145deg, #121230, #08081e);
  border: 2px solid;
  border-image: linear-gradient(135deg, var(--secondary), var(--primary), var(--accent)) 1;
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 25px;
  position: relative;
  overflow: hidden;
}

.certificate-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%236C5CE7' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.certificate-card .cert-badge {
  font-size: 4rem;
  margin-bottom: 15px;
}

.certificate-card h2 {
  font-family: var(--pixel-font);
  font-size: 1rem;
  color: var(--secondary);
  margin-bottom: 5px;
}

.certificate-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.certificate-card .cert-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.certificate-card .cert-details {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  padding: 15px;
  background: rgba(0,0,0,0.3);
  border-radius: 10px;
  margin-bottom: 20px;
}

.certificate-card .cert-details div {
  text-align: center;
}

.certificate-card .cert-details .detail-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-family: var(--pixel-font);
  margin-bottom: 3px;
}

.certificate-card .cert-details .detail-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--secondary);
}

.certificate-card .cert-footer {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--pixel-font);
  margin-top: 20px;
}

.cert-actions {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== SETTINGS MODAL ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(5px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease-out;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 30px;
  max-width: 400px;
  width: 90%;
  border: 1px solid rgba(108, 92, 231, 0.3);
  box-shadow: var(--glow-primary);
  animation: slideUp 0.3s ease-out;
}

.modal-content h3 {
  font-family: var(--pixel-font);
  font-size: 0.8rem;
  margin-bottom: 20px;
  text-align: center;
  color: var(--secondary);
}

.modal-content .setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.modal-content .setting-item:last-child {
  border-bottom: none;
}

.modal-content .setting-item label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Toggle Switch */
.toggle {
  position: relative;
  width: 48px;
  height: 26px;
  background: var(--bg-card-light);
  border-radius: 13px;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid rgba(255,255,255,0.1);
}

.toggle.active {
  background: var(--secondary);
  border-color: rgba(0, 206, 201, 0.5);
}

.toggle .toggle-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.toggle.active .toggle-knob {
  left: 24px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 20px;
}

/* ---- Speed Selector ---- */
.speed-selector {
  display: flex;
  gap: 4px;
  background: rgba(0,0,0,0.25);
  border-radius: 10px;
  padding: 3px;
  border: 1px solid rgba(255,255,255,0.05);
}

.speed-opt {
  padding: 5px 12px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--cyber-font);
  font-size: 0.55rem;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.25s ease;
  text-transform: uppercase;
  white-space: nowrap;
}

.speed-opt:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.speed-opt.active {
  color: var(--secondary);
  background: rgba(0, 229, 223, 0.1);
  box-shadow: 0 0 12px rgba(0, 229, 223, 0.08);
}

.speed-opt:active {
  transform: scale(0.95);
}

/* ========== HINT MODAL ========== */
.hint-modal .modal-content {
  max-width: 350px;
}

.hint-modal .hint-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.7;
  margin-bottom: 15px;
  padding: 15px;
  background: rgba(253, 203, 110, 0.05);
  border-radius: 10px;
  border: 1px solid rgba(253, 203, 110, 0.2);
}

.hint-modal .hint-cost {
  text-align: center;
  font-size: 0.75rem;
  color: var(--warning);
  font-family: var(--pixel-font);
  margin-bottom: 15px;
}

/* ========== SVG ICONS ========== */
.svg-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  flex-shrink: 0;
}

.svg-icon svg {
  width: 100%;
  height: 100%;
}

.btn .svg-icon {
  margin-right: 4px;
}

/* ========== LEADERBOARD TABLE ========== */
.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.leaderboard-table th {
  padding: 10px 8px;
  text-align: center;
  color: var(--text-muted);
  font-family: var(--pixel-font);
  font-size: 0.45rem;
  border-bottom: 1px solid rgba(108, 92, 231, 0.2);
  letter-spacing: 0.5px;
}

.leaderboard-table th:first-child { text-align: center; }
.leaderboard-table th:nth-child(2) { text-align: left; }

.leaderboard-table td {
  padding: 12px 8px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: var(--transition);
}

.leaderboard-row {
  transition: var(--transition);
}

.leaderboard-row:hover {
  background: rgba(108, 92, 231, 0.05);
}

.leaderboard-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 0.9rem;
}

.leaderboard-rank.gold { color: #ffd700; text-shadow: 0 0 10px rgba(255, 215, 0, 0.4); }
.leaderboard-rank.silver { color: #c0c0c0; text-shadow: 0 0 10px rgba(192, 192, 192, 0.3); }
.leaderboard-rank.bronze { color: #cd7f32; text-shadow: 0 0 10px rgba(205, 127, 50, 0.3); }

.leaderboard-player-name {
  color: var(--text-primary);
  font-weight: 600;
}

.leaderboard-you-badge {
  color: var(--secondary);
  font-size: 0.55rem;
  margin-left: 6px;
  font-family: var(--pixel-font);
  animation: pulse 1.5s ease-in-out infinite;
}

.leaderboard-score {
  color: var(--secondary);
  font-weight: 700;
  font-family: var(--pixel-font);
  font-size: 0.55rem;
  text-align: center;
}

.leaderboard-empty {
  text-align: center;
  padding: 30px;
  color: var(--text-muted);
}

.leaderboard-empty-icon {
  font-size: 3rem;
  margin-bottom: 10px;
}

.leaderboard-empty-text {
  font-family: var(--pixel-font);
  font-size: 0.5rem;
}

.leaderboard-footer {
  text-align: center;
  margin-top: 15px;
  color: var(--text-muted);
  font-size: 0.65rem;
}

/* ========== TOAST NOTIFICATION ========== */
.toast-container {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  padding: 15px 22px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid rgba(108, 92, 231, 0.3);
  color: var(--text-primary);
  font-size: 0.85rem;
  animation: slideInRight 0.3s ease-out, fadeOut 0.3s ease-out forwards;
  animation-delay: 0s, 2.5s;
  box-shadow: 0 5px 20px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 350px;
}

.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }
.toast.warning { border-color: var(--warning); }
.toast.info { border-color: var(--info); }

/* ========== RESPONSIVE — MOBILE FIRST ========== */

#game-container {
  max-height: 100vh;
  max-height: 100dvh;
  max-width: 100%;
  border: none;
  border-radius: 0;
}

/* 10 levels: 2 cols × 5 rows on mobile */
.world-map {
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  padding: 12px;
}

.map-node {
  padding: 12px 6px 10px;
  gap: 4px;
}

.map-node .node-icon svg {
  width: 22px !important;
  height: 22px !important;
}

.map-node .node-icon {
  font-size: 1.2rem;
}

.map-node .node-name {
  font-size: 0.45rem;
}

.map-node .node-status {
  font-size: 0.45rem;
}

.map-node-number {
  width: 20px;
  height: 20px;
  font-size: 0.38rem;
  top: -6px;
  right: -6px;
}

.world-header .hud-item {
  font-size: 0.6rem;
  padding: 3px 6px;
}

.world-header .hud-item .icon {
  font-size: 0.85rem;
}

.hud-progress-track {
  width: 32px;
  height: 4px;
}

.score-item .value {
  font-size: 1rem;
}

.badge-item {
  width: 80px;
  padding: 10px 6px;
}

.badge-item .badge-icon svg {
  width: 28px !important;
  height: 28px !important;
}

.badge-item .badge-name {
  font-size: 0.45rem;
}

.opening-logo h1 {
  font-size: 2rem;
  letter-spacing: 2px;
}

.opening-logo h1 span {
  font-size: 1rem;
  letter-spacing: 3px;
}

.opening-actions {
  padding: 16px 18px;
  max-width: 280px;
}

.opening-actions .btn {
  min-width: 180px;
  padding: 10px 16px;
  font-size: 0.65rem;
}

.opening-logo .subtitle {
  font-size: 0.85rem;
  max-width: 300px;
}

.version-text {
  font-size: 0.5rem;
  bottom: 12px;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; }

.btn-lg {
  padding: 12px 24px;
  font-size: 0.8rem;
}

.btn {
  padding: 10px 18px;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.world-header {
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 10px;
}

.world-header .hud-item {
  font-size: 0.6rem;
  gap: 4px;
}

/* Hide progress percentage text on mobile, show bar only */
.hud-progress-item #hud-progress {
  display: none;
}

.hud-progress-item .hud-progress-track {
  width: 28px;
}

.world-bottom-nav {
  padding: 6px;
  gap: 6px;
}

.world-bottom-nav .btn {
  padding: 6px 10px;
  font-size: 0.48rem;
  letter-spacing: 0.3px;
}

.world-hub {
  overflow-x: hidden;
}

/* Hide node status text on smallest cards, show only icon */
.map-node .map-node-status span:last-child {
  font-size: 0.38rem;
}

.map-node .map-node-status .map-status-icon {
  font-size: 9px !important;
}

.map-node .map-node-name {
  font-size: 0.4rem;
}

.map-node-icon svg {
  width: 18px !important;
  height: 18px !important;
}

.level-header {
  flex-direction: column;
  gap: 8px;
  padding: 10px 14px;
}

.level-header .level-title {
  font-size: 0.6rem;
}

.level-header .level-score {
  font-size: 0.65rem;
  width: 100%;
  flex-wrap: wrap;
  gap: 6px;
}

.level-header .level-score span {
  padding: 3px 8px;
  font-size: 0.6rem;
  flex: 1;
  min-width: 0;
  justify-content: center;
}

.level-body {
  padding: 12px;
  min-height: 200px;
  max-width: 100%;
  overflow-x: hidden;
}

.level-body .level-desc {
  font-size: 0.75rem;
  word-break: break-word;
  max-width: 100%;
}

/* ===== LEVEL CONTENT GENERAL FIXES ===== */
.drag-container,
.io-container,
.ifelse-container,
.loop-container,
.debug-container,
.function-container,
.boss-container,
.array-container,
.object-container {
  max-width: 100% !important;
  width: 100% !important;
  overflow-x: hidden;
}

/* Variable Room */
.data-items {
  padding: 10px;
  gap: 8px;
}

.data-item {
  padding: 8px 12px;
  font-size: 0.45rem;
}

.variable-slots {
  grid-template-columns: 1fr;
  gap: 10px;
}

.variable-slot {
  padding: 12px;
  min-height: 70px;
}

.variable-slot .slot-label {
  font-size: 0.4rem;
}

.variable-slot .slot-value {
  font-size: 0.45rem;
  gap: 4px;
}

.variable-slot .slot-badge {
  padding: 3px 8px !important;
  font-size: 0.4rem !important;
}

/* Input Output Level 3 */
.io-matching {
  gap: 6px;
}

.io-item {
  padding: 8px 4px;
  font-size: 0.4rem;
  word-break: break-all;
}

.io-container {
  gap: 12px;
}

.io-outputs {
  gap: 8px;
}

/* If Else Level 4 */
.ifelse-container {
  max-width: 100%;
  gap: 12px;
}

.scenario-text {
  font-size: 0.8rem;
  padding: 14px;
  word-break: break-word;
}

.scenario-text .code-inline {
  font-size: 0.45rem;
}

.choices-container {
  grid-template-columns: 1fr;
  gap: 10px;
}

.choice-card {
  padding: 14px 12px;
}

.choice-card h4 {
  font-size: 0.85rem;
}

.choice-card p {
  font-size: 0.7rem;
}

/* Loop Factory Level 5 */
.loop-container {
  gap: 12px;
}

.robot-display {
  font-size: 3.5rem;
}

.loop-controls {
  gap: 10px;
  flex-wrap: wrap;
}

.loop-counter {
  font-size: 1rem;
}

.action-log {
  max-height: 100px;
  padding: 10px;
  font-size: 0.4rem;
}

/* Debug Room Level 6 */
.debug-container {
  gap: 12px;
}

.debug-code {
  padding: 12px;
  font-size: 0.45rem;
  line-height: 1.8;
  overflow-x: auto;
  max-width: 100%;
  word-break: break-all;
}

.debug-code .line-number {
  margin-right: 8px;
}

.debug-code .bug-line {
  padding: 1px 4px;
}

/* Function Machine Level 7 */
.function-container {
  gap: 12px;
}

.function-flow {
  padding: 12px;
  gap: 6px;
}

.flow-step {
  padding: 6px 10px;
  font-size: 0.4rem;
}

.flow-arrow {
  font-size: 1rem;
}

.function-sequence {
  gap: 5px;
  padding: 6px;
}

/* Boss Battle Level 10 */
.boss-container {
  gap: 10px;
}

.boss-arena {
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  min-height: 200px;
}

.boss-answers {
  grid-template-columns: 1fr;
  gap: 8px;
}

.boss-question p {
  font-size: 0.8rem;
}

.boss-answer-btn {
  padding: 10px 14px;
  font-size: 0.75rem;
}

.boss-character {
  font-size: 4rem;
}

.boss-hp-bar {
  height: 14px;
}

/* Welcome Level 1 - generic content */
.level-body .level-content {
  max-width: 100%;
  word-break: break-word;
}

/* Level 1 question text mobile */
.level-body > p {
  max-width: 100%;
  word-break: break-word;
  font-size: 0.85rem !important;
  line-height: 1.6;
}

.score-grid {
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.score-item {
  padding: 14px;
}

.score-item .value {
  font-size: 1.3rem;
}

/* Score screen mobile */
#score-screen {
  padding: 16px 12px;
}

.score-container h2 {
  font-size: 1rem;
  margin-bottom: 16px;
}

.score-container h3 {
  font-size: 0.65rem;
  margin-bottom: 10px !important;
}

#completed-difficulties {
  gap: 5px !important;
}

#completed-difficulties .achievement-chip {
  font-size: 0.6rem;
  padding: 5px 10px;
}

.score-grid {
  gap: 8px;
  margin-bottom: 20px;
}

.score-item {
  padding: 12px 8px;
}

.score-item .label {
  font-size: 0.6rem;
}

.badge-display {
  gap: 8px;
  margin-bottom: 20px;
}

.badge-item {
  width: 72px;
  padding: 8px 4px;
}

.badge-item .badge-icon {
  font-size: 1.4rem;
  margin-bottom: 3px;
}

.badge-item .badge-name {
  font-size: 0.4rem;
}

.achievement-list {
  gap: 6px;
  margin-bottom: 20px;
}

.achievement-chip {
  font-size: 0.55rem;
  padding: 5px 10px;
}

/* Leaderboard section mobile */
#leaderboard-section {
  margin-top: 16px !important;
}

#leaderboard-container {
  padding: 10px !important;
  border-radius: 10px !important;
}

/* Score screen bottom buttons - stack vertically on mobile */
.score-container > div:last-child {
  flex-direction: column !important;
  gap: 8px !important;
  align-items: center !important;
}

.score-container > div:last-child .btn {
  width: 100%;
  max-width: 240px;
}

.certificate-card {
  padding: 20px 12px;
}

.certificate-card .cert-details {
  grid-template-columns: 1fr;
}

/* Certificate screen mobile */
#certificate-screen {
  padding: 12px;
}

.certificate-container {
  max-width: 100%;
}

.certificate-card .cert-badge {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.certificate-card h2 {
  font-size: 0.75rem;
  margin-bottom: 4px;
}

.certificate-card h3 {
  font-size: 1rem;
  margin-bottom: 10px;
}

.certificate-card .cert-text {
  font-size: 0.7rem;
  line-height: 1.6;
  margin-bottom: 12px;
  word-break: break-word;
}

.certificate-card .cert-details {
  gap: 6px;
  padding: 10px;
}

.certificate-card .cert-details .detail-label {
  font-size: 0.5rem;
}

.certificate-card .cert-details .detail-value {
  font-size: 0.8rem;
}

.certificate-card .cert-footer {
  font-size: 0.55rem;
  margin-top: 12px;
}

.cert-actions {
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.cert-actions .btn {
  width: 100%;
  max-width: 280px;
  padding: 10px 18px;
  font-size: 0.65rem;
}

.character-creator {
  gap: 10px;
}

.char-preview {
  width: 130px;
  height: 172px;
}

.char-avatar {
  transform: scale(0.85);
}

.char-name-display {
  font-size: 0.55rem;
  max-width: 110px;
}

.char-header-title {
  font-size: 0.6rem;
  margin-bottom: 14px;
}

.char-header-title .material-symbols-outlined {
  font-size: 18px;
}

.char-header-title::after {
  left: 20%;
  right: 20%;
}

.char-category-header {
  font-size: 0.55rem;
  padding: 9px 12px;
  gap: 10px;
}

.char-cat-icon {
  font-size: 16px !important;
}

.char-category-body {
  padding: 10px 10px;
}

.char-opt-btn {
  min-width: 48px;
  padding: 8px 6px 5px;
  border-radius: 12px;
  gap: 3px;
}

.char-opt-avatar {
  transform: scale(0.8);
}

.char-opt-label {
  font-size: 0.45rem;
}

.char-skin-btn {
  width: 38px;
  height: 38px;
}

.char-color-btn {
  width: 32px;
  height: 32px;
}

.char-name-wrap {
  padding: 4px 12px;
}

.char-name-input {
  font-size: 0.9rem;
  padding: 12px 4px;
}

.char-name-icon {
  font-size: 18px !important;
}

.char-name-count {
  font-size: 0.5rem;
}

.char-bottom-actions {
  gap: 10px;
  margin-top: 8px;
}

.char-random-btn,
.char-save-btn {
  min-width: 130px;
  padding: 12px 16px;
  font-size: 0.65rem;
}

/* intro-story-box styles removed — replaced by premium intro-card-text */

.opening-actions .btn {
  min-width: 200px;
}

.leaderboard-table {
  font-size: 0.65rem;
}

.leaderboard-table th {
  font-size: 0.4rem;
  padding: 6px 4px;
}

.leaderboard-table td {
  padding: 8px 4px;
}

/* ========== TABLET+ ========== */
@media (min-width: 600px) {
  #game-container {
    max-width: 900px;
    max-height: 700px;
    border: 1px solid rgba(124, 111, 247, 0.15);
    border-radius: var(--radius-lg);
  }

  .opening-logo h1 {
    font-size: 2.8rem;
    letter-spacing: 3px;
  }

  .opening-logo h1 span {
    font-size: 1.4rem;
    letter-spacing: 5px;
  }

  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.1rem; }

  .btn {
    padding: 12px 26px;
    font-size: 0.8rem;
  }

  .btn-lg {
    padding: 16px 36px;
    font-size: 0.9rem;
  }

  .world-map {
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    padding: 18px;
  }

  .map-node-icon svg {
    width: 22px !important;
    height: 22px !important;
  }

  .map-node .map-node-name {
    font-size: 0.47rem;
  }

  .world-header {
    flex-wrap: nowrap;
  }

  .world-header .hud-item {
    font-size: 0.8rem;
  }

  .level-header {
    flex-direction: row;
  }

  .choices-container {
    grid-template-columns: 1fr 1fr;
  }

  .character-creator {
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
  }

  .char-preview {
    width: 160px;
    height: 220px;
    position: sticky;
    top: 20px;
  }

  .char-avatar {
    transform: scale(0.9);
  }

  .char-options {
    padding-right: 4px;
  }
  
  .char-options::-webkit-scrollbar {
    width: 3px;
  }
  
  .char-options::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 2px;
  }

  .boss-arena {
    flex-direction: row;
  }

  .boss-answers {
    grid-template-columns: 1fr 1fr;
  }

  .variable-slots {
    grid-template-columns: repeat(2, 1fr);
  }

  .score-grid {
    grid-template-columns: 1fr 1fr;
  }

  .opening-logo h1 span {
    font-size: 1.1rem;
  }

  .certificate-card .cert-details {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .char-header-title {
    font-size: 0.7rem;
  }

  .char-category-header {
    font-size: 0.5rem;
  }
}

/* ========== DESKTOP ========== */
@media (min-width: 900px) {
  .btn {
    padding: 14px 32px;
    font-size: 0.85rem;
  }

  .opening-logo h1 {
    font-size: 2.5rem;
  }

  .level-body {
    min-height: 300px;
  }

  /* ---- Character Creator responsive enhancements ---- */
  #character-screen {
    padding: 20px 24px;
  }

  .char-header-title {
    font-size: 0.85rem;
    margin-bottom: 20px;
    gap: 12px;
  }

  .char-header-title::after {
    left: 10%;
    right: 10%;
  }

  .char-header-title .material-symbols-outlined {
    font-size: 24px;
  }

  .character-creator {
    max-width: 820px;
    gap: 28px;
  }

  .char-preview {
    width: 220px;
    height: 300px;
  }

  .char-avatar {
    transform: scale(1.15);
  }

  .char-name-display {
    font-size: 0.55rem;
    max-width: 130px;
    margin-top: 14px;
  }

  .char-options {
    gap: 18px;
  }

  .char-category-header {
    font-size: 0.6rem;
    padding: 14px 18px;
    gap: 10px;
  }

  .char-cat-icon {
    font-size: 18px !important;
  }

  .char-category-body {
    padding: 16px 18px;
  }

  .char-opt-btn {
    min-width: 58px;
    padding: 10px 8px 6px;
    border-radius: 12px;
    gap: 4px;
  }

  .char-opt-avatar {
    transform: scale(1);
  }

  .char-opt-label {
    font-size: 0.45rem;
  }

  .char-skin-btn {
    width: 44px;
    height: 44px;
  }

  .char-color-btn {
    width: 36px;
    height: 36px;
  }

  .char-name-wrap {
    padding: 4px 14px;
  }

  .char-name-input {
    font-size: 0.95rem;
    padding: 14px 4px;
  }

  .char-name-count {
    font-size: 0.5rem;
  }

  .char-bottom-actions {
    gap: 14px;
    margin-top: 12px;
  }

  .char-random-btn,
  .char-save-btn {
    min-width: 180px;
    padding: 14px 28px;
    font-size: 0.7rem;
  }
}

/* ========== VERY SMALL SCREENS ========== */
@media (max-width: 360px) {
  .opening-logo h1 {
    font-size: 1.6rem;
    letter-spacing: 1px;
  }

  .opening-logo h1 span {
    font-size: 0.85rem;
    letter-spacing: 2px;
  }

  .opening-logo .subtitle {
    font-size: 0.75rem;
  }

  .opening-actions .btn {
    min-width: 170px;
    padding: 8px 14px;
    font-size: 0.65rem;
  }

  .btn {
    padding: 8px 14px;
    font-size: 0.65rem;
  }

  .world-map {
    gap: 6px;
    padding: 10px;
  }

  .map-node {
    padding: 8px 4px;
  }

  .map-node .node-name {
    font-size: 0.4rem;
  }

  .io-item {
    padding: 8px 4px;
    font-size: 0.35rem;
  }

  .io-matching {
    gap: 6px;
  }

  .world-header {
    padding: 8px 10px;
  }

  .world-header .hud-item {
    font-size: 0.5rem;
    padding: 2px 4px;
    gap: 2px;
  }

  .world-header .hud-item .icon {
    font-size: 0.7rem;
  }

  .hud-progress-item .hud-progress-track {
    width: 20px;
    height: 3px;
  }

  .world-bottom-nav .btn {
    padding: 4px 8px;
    font-size: 0.42rem;
  }

  .world-bottom-nav {
    gap: 4px;
    padding: 4px;
  }

  .map-node .map-node-name {
    font-size: 0.35rem;
  }

  .map-node .map-node-status span:last-child {
    font-size: 0.32rem;
  }

  .map-node .map-node-status .map-status-icon {
    font-size: 7px !important;
  }

  .map-node-number {
    width: 16px;
    height: 16px;
    font-size: 0.32rem;
    top: -4px;
    right: -4px;
  }

  .level-body {
    padding: 12px;
  }

  .score-item .value {
    font-size: 0.9rem;
  }

  /* Score screen very small */
  .score-container h2 {
    font-size: 0.85rem;
  }

  .score-item {
    padding: 8px 6px;
  }

  .score-item .label {
    font-size: 0.5rem;
  }

  .score-item .value {
    font-size: 0.8rem;
  }

  .badge-item {
    width: 60px;
    padding: 6px 3px;
  }

  .badge-item .badge-icon {
    font-size: 1.1rem;
  }

  .badge-item .badge-name {
    font-size: 0.35rem;
  }

  .achievement-chip {
    font-size: 0.45rem;
    padding: 3px 8px;
  }

  /* Certificate very small */
  .certificate-card .cert-badge {
    font-size: 2rem;
  }

  .certificate-card h2 {
    font-size: 0.65rem;
  }

  .certificate-card h3 {
    font-size: 0.85rem;
  }

  .cert-actions .btn {
    max-width: 220px;
    padding: 8px 14px;
    font-size: 0.55rem;
  }

  .char-preview {
    width: 100px;
    height: 140px;
  }

  .char-avatar {
    transform: scale(0.75);
  }

  .char-name-display {
    font-size: 0.45rem;
  }

  .char-category-header {
    font-size: 0.45rem;
    padding: 6px 10px;
  }

  .char-cat-icon {
    font-size: 14px !important;
  }

  .char-opt-btn {
    min-width: 36px;
    padding: 5px 4px 4px;
  }

  .char-opt-avatar {
    transform: scale(0.65);
  }

  .char-opt-label {
    font-size: 0.35rem;
  }

  .char-skin-btn {
    width: 30px;
    height: 30px;
  }

  .char-color-btn {
    width: 26px;
    height: 26px;
  }

  .char-name-input {
    font-size: 0.8rem;
    padding: 8px 4px;
  }

  .char-bottom-actions {
    flex-direction: column;
  }

  .char-random-btn,
  .char-save-btn {
    min-width: 100%;
  }
}

/* ========== TALL MOBILE (notch/dynamic-island safe) ========== */
@supports (padding-top: env(safe-area-inset-top)) {
  #game-container {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* ========== SCREEN TRANSITIONS ========== */
/* Screen entrance animation */
.screen.active {
  animation: screenEnter 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.screen.animate-out {
  animation: screenExit 0.35s cubic-bezier(0.55, 0, 1, 0.45) forwards;
}

@keyframes screenEnter {
  0% {
    opacity: 0;
    transform: scale(0.95) translateY(15px);
    filter: blur(3px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0);
  }
}

@keyframes screenExit {
  0% {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0);
  }
  100% {
    opacity: 0;
    transform: scale(1.02) translateY(-10px);
    filter: blur(2px);
  }
}

/* Card entrance stagger */
.map-node {
  animation: mapNodeIn 0.5s ease-out backwards;
}

/* ========== SCREEN SHAKE EFFECT ========== */
.screen-shake {
  animation: shake 0.5s ease-out;
}

/* ========== CONFETTI EFFECT ========== */
.confetti-piece {
  position: absolute;
  width: 8px;
  height: 8px;
  animation: confettiFall linear forwards;
}

@keyframes confettiFall {
  0% {
    transform: translateY(-10px) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(700px) rotate(720deg);
    opacity: 0;
  }
}

/* ========== DIFFICULTY SELECTION ========== */
/* ---- Mobile-first base (1 column) ---- */
.difficulty-container {
  max-width: 500px;
  margin: 0 auto;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

/* ---- Header ---- */
.diff-header {
  text-align: center;
  position: relative;
  z-index: 2;
}

.diff-header-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0 auto 10px;
  border-radius: 14px;
  background: rgba(124, 111, 247, 0.1);
  border: 1px solid rgba(124, 111, 247, 0.15);
  animation: float 3s ease-in-out infinite;
}

.diff-header-icon .material-symbols-outlined {
  font-size: 22px;
  color: var(--secondary);
}

.diff-title {
  font-family: var(--cyber-font);
  font-size: 0.7rem;
  color: var(--text-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
  text-shadow: 0 0 20px rgba(0, 229, 223, 0.12);
  position: relative;
  display: inline-block;
}

.diff-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 223, 0.2), transparent);
}

.diff-subtitle {
  color: var(--text-muted);
  font-size: 0.7rem;
  margin-top: 8px;
  letter-spacing: 0.5px;
}

/* ---- Cards Grid (mobile: 1 column) ---- */
.difficulty-cards {
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: 100%;
  position: relative;
  z-index: 2;
}

/* ---- Card Base (compact, centered) ---- */
.difficulty-card {
  position: relative;
  border-radius: var(--radius);
  padding: 12px 20px;
  text-align: center;
  cursor: pointer;
  overflow: hidden;
  animation: diffCardIn 0.5s ease-out backwards;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: center;
  justify-content: center;

  /* Glass base */
  background: rgba(26, 26, 62, 0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

@keyframes diffCardIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Top accent bar */
.difficulty-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 0 0 2px 2px;
  transition: all 0.4s ease;
}

.card-easy::before { background: var(--success); box-shadow: 0 0 12px rgba(0, 212, 160, 0.15); }
.card-normal::before { background: var(--warning); box-shadow: 0 0 12px rgba(255, 200, 87, 0.15); }
.card-hard::before { background: var(--danger); box-shadow: 0 0 12px rgba(255, 90, 90, 0.15); }

/* ---- Hover States ---- */
.difficulty-card:hover {
  transform: translateY(-3px);
}

.card-easy:hover {
  border-color: rgba(0, 212, 160, 0.25);
  box-shadow: 0 8px 24px rgba(0, 212, 160, 0.12), 0 0 20px rgba(0, 212, 160, 0.04);
}
.card-normal:hover {
  border-color: rgba(255, 200, 87, 0.25);
  box-shadow: 0 8px 24px rgba(255, 200, 87, 0.12), 0 0 20px rgba(255, 200, 87, 0.04);
}
.card-hard:hover {
  border-color: rgba(255, 90, 90, 0.25);
  box-shadow: 0 8px 24px rgba(255, 90, 90, 0.12), 0 0 20px rgba(255, 90, 90, 0.04);
}

.difficulty-card:hover::before {
  height: 2.5px;
}

/* ---- Active Press ---- */
.difficulty-card:active {
  transform: translateY(-1px) scale(0.97) !important;
  transition-duration: 0.1s !important;
}

/* ---- Card Title ---- */
.diff-card-title {
  font-family: var(--cyber-font);
  font-size: 0.75rem;
  color: var(--text-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 0;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.difficulty-card:hover .diff-card-title {
  letter-spacing: 3px;
}

/* ---- Active/Selected state ---- */
.difficulty-card.selected {
  transform: translateY(-2px);
}

.card-easy.selected {
  border-color: var(--success);
  box-shadow: 0 6px 20px rgba(0, 212, 160, 0.15), inset 0 0 15px rgba(0, 212, 160, 0.02);
}
.card-normal.selected {
  border-color: var(--warning);
  box-shadow: 0 6px 20px rgba(255, 200, 87, 0.15), inset 0 0 15px rgba(255, 200, 87, 0.02);
}
.card-hard.selected {
  border-color: var(--danger);
  box-shadow: 0 6px 20px rgba(255, 90, 90, 0.15), inset 0 0 15px rgba(255, 90, 90, 0.02);
}

/* ===== TABLET+ (≥600px) ===== */
@media (min-width: 600px) {
  .difficulty-container {
    max-width: 550px;
    padding: 24px;
    gap: 20px;
  }

  .diff-header-icon {
    width: 52px;
    height: 52px;
    margin-bottom: 12px;
  }

  .diff-header-icon .material-symbols-outlined {
    font-size: 26px;
  }

  .diff-title {
    font-size: 0.85rem;
    letter-spacing: 3px;
  }

  .diff-subtitle {
    font-size: 0.8rem;
    margin-top: 10px;
  }

  .difficulty-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    flex-direction: unset;
  }

  .difficulty-card {
    padding: 18px 14px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .diff-card-title {
    font-size: 0.85rem;
    letter-spacing: 2px;
  }

  .difficulty-card:hover .diff-card-title {
    letter-spacing: 3px;
  }

  .difficulty-card:hover {
    transform: translateY(-5px);
  }

  .card-easy:hover {
    border-color: rgba(0, 212, 160, 0.25);
    box-shadow: 0 12px 30px rgba(0, 212, 160, 0.15), 0 0 30px rgba(0, 212, 160, 0.05);
  }
  .card-normal:hover {
    border-color: rgba(255, 200, 87, 0.25);
    box-shadow: 0 12px 30px rgba(255, 200, 87, 0.15), 0 0 30px rgba(255, 200, 87, 0.05);
  }
  .card-hard:hover {
    border-color: rgba(255, 90, 90, 0.25);
    box-shadow: 0 12px 30px rgba(255, 90, 90, 0.15), 0 0 30px rgba(255, 90, 90, 0.05);
  }

  .difficulty-card.selected {
    transform: translateY(-3px);
  }

  .card-easy.selected {
    box-shadow: 0 8px 30px rgba(0, 212, 160, 0.2), inset 0 0 20px rgba(0, 212, 160, 0.02);
  }
  .card-normal.selected {
    box-shadow: 0 8px 30px rgba(255, 200, 87, 0.2), inset 0 0 20px rgba(255, 200, 87, 0.02);
  }
  .card-hard.selected {
    box-shadow: 0 8px 30px rgba(255, 90, 90, 0.2), inset 0 0 20px rgba(255, 90, 90, 0.02);
  }
}

/* ===== VERY SMALL SCREENS (≤360px) ===== */
@media (max-width: 360px) {
  .diff-card-title {
    font-size: 0.65rem;
  }

  .difficulty-card {
    padding: 10px 16px;
  }

  .difficulty-cards {
    gap: 14px;
  }
}

/* ===== TABLET+ (≥600px) ===== */
@media (min-width: 600px) {
  .tutorial-container {
    gap: 20px;
  }

  .tutorial-header-icon {
    width: 52px;
    height: 52px;
    margin-bottom: 12px;
  }

  .tutorial-header-icon .material-symbols-outlined {
    font-size: 26px;
  }

  .tutorial-title {
    font-size: 0.85rem;
    letter-spacing: 3px;
  }

  .tutorial-subtitle {
    font-size: 0.8rem;
    margin-top: 10px;
  }

  .tutorial-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    flex-direction: unset;
  }

  .tutorial-card {
    padding: 24px 18px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0;
  }

  .tutorial-card-badge {
    font-size: 0.45rem;
    letter-spacing: 1.5px;
    padding: 3px 10px;
    margin-bottom: 14px;
  }

  .tutorial-card-icon-wrap {
    width: auto;
    margin-bottom: 10px;
  }

  .tutorial-card-icon-wrap::after {
    width: 50px;
    height: 50px;
  }

  .tutorial-card-icon {
    font-size: 36px !important;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2));
  }

  .tutorial-card-title {
    font-size: 0.75rem;
    letter-spacing: 2px;
    margin: 0 0 8px;
    flex: none;
  }

  .tutorial-card:hover .tutorial-card-title {
    letter-spacing: 2.5px;
  }



  .tutorial-card:hover {
    transform: translateY(-8px) scale(1.02);
  }

  .card-step1:hover {
    box-shadow: 0 12px 40px rgba(0, 229, 223, 0.15), 0 0 30px rgba(0, 229, 223, 0.05);
  }
  .card-step2:hover {
    box-shadow: 0 12px 40px rgba(124, 111, 247, 0.15), 0 0 30px rgba(124, 111, 247, 0.05);
  }
  .card-step3:hover {
    box-shadow: 0 12px 40px rgba(255, 200, 87, 0.15), 0 0 30px rgba(255, 200, 87, 0.05);
  }
  .card-step4:hover {
    box-shadow: 0 12px 40px rgba(255, 107, 157, 0.15), 0 0 30px rgba(255, 107, 157, 0.05);
  }

  .tutorial-actions {
    gap: 15px;
  }

  .tutorial-actions .btn {
    min-width: 200px;
  }
}

/* ===== VERY SMALL SCREENS (≤360px) ===== */
@media (max-width: 360px) {
  .tutorial-card-title {
    font-size: 0.55rem;
  }

  .tutorial-card-icon {
    font-size: 22px !important;
  }

  .tutorial-card-icon-wrap {
    width: 32px;
  }

  .tutorial-card-icon-wrap::after {
    width: 28px;
    height: 28px;
  }



  .tutorial-card-badge {
    font-size: 0.35rem;
    padding: 1px 6px;
  }

  .tutorial-actions .btn {
    min-width: 160px;
    padding: 8px 14px;
    font-size: 0.65rem;
  }
}

/* ========== AVATAR GRID (larger buttons for pixel art) ========== */
.avatar-grid .option-btn {
  width: 50px;
  height: 56px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
}

/* ========== CHARACTER SCROLLBAR ========== */
#character-screen::-webkit-scrollbar {
  width: 3px;
}
#character-screen::-webkit-scrollbar-track {
  background: transparent;
}
#character-screen::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 2px;
}

/* ===== INTRO TABLET+ (>=600px) ===== */
@media (min-width: 600px) {
  .intro-container { gap: 20px; }
  .intro-header-icon { width: 52px; height: 52px; margin-bottom: 12px; }
  .intro-header-icon .material-symbols-outlined { font-size: 26px; }
  .intro-title { font-size: 0.85rem; letter-spacing: 3px; }
  .intro-subtitle { font-size: 0.8rem; margin-top: 10px; }
  .intro-avatar-preview { width: 100px; height: 100px; }
  .intro-avatar-name { font-size: 0.65rem; }
  .intro-story-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; flex-direction: unset; }
  .intro-story-card { padding: 24px 18px 20px; text-align: center; display: flex; flex-direction: column; flex-wrap: nowrap; align-items: center; gap: 0; }
  .intro-card-badge { font-size: 0.45rem; letter-spacing: 1.5px; padding: 3px 10px; margin-bottom: 14px; }
  .intro-card-icon-wrap { width: auto; margin-bottom: 10px; margin-top: 0; }
  .intro-card-icon-wrap::after { width: 50px; height: 50px; }
  .intro-card-icon { font-size: 36px !important; filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2)); }
  .intro-card-text { font-size: 0.8rem; line-height: 1.7; min-width: unset; text-align: center; }
  .intro-story-card:hover { transform: translateY(-8px) scale(1.02); }
  .card-beat1:hover { box-shadow: 0 12px 40px rgba(0, 229, 223, 0.15), 0 0 30px rgba(0, 229, 223, 0.05); }
  .card-beat2:hover { box-shadow: 0 12px 40px rgba(255, 107, 157, 0.15), 0 0 30px rgba(255, 107, 157, 0.05); }
  .card-beat3:hover { box-shadow: 0 12px 40px rgba(124, 111, 247, 0.15), 0 0 30px rgba(124, 111, 247, 0.05); }
  .intro-actions { gap: 15px; }
  .intro-actions .btn { min-width: 200px; }
}

/* ===== INTRO VERY SMALL (<=360px) ===== */
@media (max-width: 360px) {
  .intro-card-text { font-size: 0.75rem; }
  .intro-card-icon { font-size: 22px !important; }
  .intro-card-icon-wrap { width: 32px; }
  .intro-card-icon-wrap::after { width: 28px; height: 28px; }
  .intro-card-badge { font-size: 0.35rem; padding: 1px 6px; }
  .intro-avatar-preview { width: 64px; height: 64px; }
  .intro-avatar-name { font-size: 0.45rem; }
  .intro-actions .btn { min-width: 160px; padding: 8px 14px; font-size: 0.65rem; }
}