@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323:wght@400&display=swap');

/* ============================================
   PIXEL-ART DESIGN SYSTEM – REWIRED MIND
   ============================================ */

:root {
  /* Color Palette */
  --bg-dark:       #0a0a1a;
  --bg-panel:      #0f0f2e;
  --bg-card:       #1a1a3e;
  --neon-green:    #00ff41;
  --neon-cyan:     #00e5ff;
  --neon-gold:     #ffd700;
  --neon-red:      #ff4444;
  --neon-purple:   #bf5fff;
  --text-primary:  #e0e0ff;
  --text-dim:      #7070a0;
  --border-color:  #3030a0;
  --shadow-color:  #000000;

  /* Pixel Border */
  --pixel-border: 3px solid var(--neon-green);
  --pixel-shadow: 4px 4px 0 var(--shadow-color);
  --pixel-shadow-gold: 4px 4px 0 var(--neon-gold);

  /* Spacing */
  --gap-sm: 8px;
  --gap-md: 16px;
  --gap-lg: 32px;
  --gap-xl: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: 'VT323', monospace;
  font-size: 18px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Scanline overlay */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* CRT flicker */
@keyframes flicker {
  0%, 100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: 0.97; }
  94% { opacity: 1; }
  96% { opacity: 0.98; }
}
body { animation: flicker 8s infinite; }

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4 {
  font-family: 'Press Start 2P', monospace;
  line-height: 1.4;
  letter-spacing: 1px;
}

h1 { font-size: clamp(14px, 3vw, 24px); color: var(--neon-gold); }
h2 { font-size: clamp(12px, 2.5vw, 18px); color: var(--neon-green); }
h3 { font-size: clamp(10px, 2vw, 14px); color: var(--neon-cyan); }
h4 { font-size: clamp(9px, 1.5vw, 12px); color: var(--text-primary); }

p { font-family: 'VT323', monospace; font-size: 20px; }
a { color: var(--neon-cyan); text-decoration: none; }
a:hover { color: var(--neon-green); text-shadow: 0 0 8px var(--neon-green); }

/* ============================================
   PIXEL CONTAINERS & PANELS
   ============================================ */
.pixel-panel {
  background: var(--bg-panel);
  border: 3px solid var(--border-color);
  box-shadow: var(--pixel-shadow);
  padding: var(--gap-md);
  position: relative;
}

.pixel-panel::before {
  content: '';
  position: absolute;
  top: -3px; left: -3px; right: -3px; bottom: -3px;
  border: 1px solid rgba(0, 229, 255, 0.15);
  pointer-events: none;
}

.pixel-card {
  background: var(--bg-card);
  border: 3px solid var(--border-color);
  box-shadow: var(--pixel-shadow);
  padding: var(--gap-md);
  transition: transform 0.1s, box-shadow 0.1s;
}

.pixel-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--shadow-color);
  border-color: var(--neon-cyan);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  padding: 12px 20px;
  border: 3px solid;
  cursor: pointer;
  display: inline-block;
  text-align: center;
  transition: transform 0.08s, box-shadow 0.08s;
  text-decoration: none;
  letter-spacing: 1px;
  position: relative;
  user-select: none;
}

.btn:active {
  transform: translate(3px, 3px) !important;
  box-shadow: 0 0 0 !important;
}

.btn-primary {
  background: var(--neon-green);
  color: #000;
  border-color: #00cc33;
  box-shadow: 4px 4px 0 #00cc33;
}
.btn-primary:hover {
  background: #00ff60;
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 #00cc33;
  color: #000;
}

.btn-gold {
  background: var(--neon-gold);
  color: #000;
  border-color: #cc9900;
  box-shadow: 4px 4px 0 #cc9900;
}
.btn-gold:hover {
  background: #ffe033;
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 #cc9900;
  color: #000;
}

.btn-red {
  background: var(--neon-red);
  color: #fff;
  border-color: #cc0000;
  box-shadow: 4px 4px 0 #cc0000;
}
.btn-red:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 #cc0000;
}

.btn-outline {
  background: transparent;
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  box-shadow: 4px 4px 0 rgba(0, 229, 255, 0.3);
}
.btn-outline:hover {
  background: rgba(0, 229, 255, 0.1);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(0, 229, 255, 0.3);
  color: var(--neon-cyan);
}

.btn-disabled, .btn:disabled {
  background: #333;
  color: #666;
  border-color: #444;
  box-shadow: 2px 2px 0 #222;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  background: var(--bg-panel);
  border-bottom: 3px solid var(--neon-green);
  padding: 12px var(--gap-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 0 var(--shadow-color);
}

.navbar-brand {
  font-family: 'Press Start 2P', monospace;
  font-size: 11px;
  color: var(--neon-gold);
  text-shadow: 0 0 10px var(--neon-gold);
  text-decoration: none;
}

.navbar-brand:hover { color: var(--neon-gold); }

.navbar-nav {
  display: flex;
  gap: var(--gap-md);
  list-style: none;
  align-items: center;
}

.navbar-nav a {
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  color: var(--text-dim);
  padding: 6px 10px;
  border: 2px solid transparent;
  transition: all 0.15s;
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--neon-green);
  border-color: var(--neon-green);
  text-shadow: 0 0 8px var(--neon-green);
}

.navbar-nav a.locked {
  color: #444;
  cursor: not-allowed;
}

/* ============================================
   PROGRESS / HP BARS
   ============================================ */
.progress-bar-wrap {
  background: #111;
  border: 2px solid var(--border-color);
  height: 20px;
  position: relative;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--neon-green), #00cc33);
  transition: width 0.4s ease;
  position: relative;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 50%;
  background: rgba(255,255,255,0.15);
}

.progress-label {
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

/* ============================================
   LOCK OVERLAY
   ============================================ */
.lock-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 26, 0.97);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 500;
  text-align: center;
  padding: var(--gap-lg);
}

.lock-icon {
  font-size: 80px;
  margin-bottom: var(--gap-lg);
  animation: lockPulse 2s ease-in-out infinite;
}

@keyframes lockPulse {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 8px var(--neon-red)); }
  50% { transform: scale(1.05); filter: drop-shadow(0 0 20px var(--neon-red)); }
}

.lock-overlay h2 {
  margin-bottom: var(--gap-md);
  color: var(--neon-red);
}

.lock-overlay p {
  color: var(--text-dim);
  margin-bottom: var(--gap-lg);
  max-width: 400px;
}

/* ============================================
   PIXEL BADGE / TAG
   ============================================ */
.pixel-badge {
  font-family: 'Press Start 2P', monospace;
  font-size: 7px;
  padding: 4px 8px;
  border: 2px solid;
  display: inline-block;
}

.badge-green { color: var(--neon-green); border-color: var(--neon-green); }
.badge-gold  { color: var(--neon-gold);  border-color: var(--neon-gold); }
.badge-red   { color: var(--neon-red);   border-color: var(--neon-red); }
.badge-cyan  { color: var(--neon-cyan);  border-color: var(--neon-cyan); }

/* ============================================
   PIXEL SPRITE ANIMATIONS
   ============================================ */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes glitch {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 1px); }
  40% { transform: translate(2px, -1px); }
  60% { transform: translate(-1px, 2px); }
  80% { transform: translate(1px, -2px); }
}

.blink { animation: blink 1s step-end infinite; }
.float { animation: float 3s ease-in-out infinite; }
.glitch { animation: glitch 0.3s infinite; }

/* ============================================
   FORMS
   ============================================ */
.pixel-input {
  background: #0a0a1a;
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  font-family: 'VT323', monospace;
  font-size: 18px;
  padding: 10px 14px;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}

.pixel-input:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.3);
}

.pixel-input::placeholder { color: var(--text-dim); }

.pixel-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group {
  margin-bottom: var(--gap-md);
}

.form-label {
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  color: var(--text-dim);
  display: block;
  margin-bottom: 6px;
}

/* ============================================
   QUIZ COMPONENT
   ============================================ */
.quiz-box {
  background: var(--bg-card);
  border: 3px solid var(--neon-gold);
  box-shadow: 4px 4px 0 #cc9900;
  padding: var(--gap-md);
  margin-top: var(--gap-lg);
}

.quiz-box h3 {
  color: var(--neon-gold);
  margin-bottom: var(--gap-md);
  font-size: 10px;
}

.quiz-question {
  font-family: 'VT323', monospace;
  font-size: 22px;
  color: var(--text-primary);
  margin-bottom: var(--gap-md);
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quiz-option {
  background: var(--bg-panel);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  font-family: 'VT323', monospace;
  font-size: 18px;
  padding: 10px 14px;
  cursor: pointer;
  text-align: left;
  transition: all 0.1s;
}

.quiz-option:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 229, 255, 0.05);
}

.quiz-option.selected { border-color: var(--neon-gold); color: var(--neon-gold); }
.quiz-option.correct  { border-color: var(--neon-green); color: var(--neon-green); background: rgba(0,255,65,0.08); }
.quiz-option.wrong    { border-color: var(--neon-red);   color: var(--neon-red);   background: rgba(255,68,68,0.08); }

.quiz-feedback {
  margin-top: var(--gap-md);
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  padding: 10px;
  border: 2px solid;
  display: none;
}

.quiz-feedback.show { display: block; }
.quiz-feedback.success { color: var(--neon-green); border-color: var(--neon-green); }
.quiz-feedback.error   { color: var(--neon-red);   border-color: var(--neon-red); }

/* ============================================
   SECTION HEADER IMAGE
   ============================================ */
.section-header-img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border: 3px solid var(--border-color);
  box-shadow: var(--pixel-shadow);
  display: block;
  image-rendering: pixelated;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--gap-lg);
}

.text-center { text-align: center; }
.text-gold   { color: var(--neon-gold); }
.text-green  { color: var(--neon-green); }
.text-cyan   { color: var(--neon-cyan); }
.text-red    { color: var(--neon-red); }
.text-dim    { color: var(--text-dim); }

.mt-sm { margin-top: var(--gap-sm); }
.mt-md { margin-top: var(--gap-md); }
.mt-lg { margin-top: var(--gap-lg); }
.mb-sm { margin-bottom: var(--gap-sm); }
.mb-md { margin-bottom: var(--gap-md); }
.mb-lg { margin-bottom: var(--gap-lg); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: var(--gap-sm); }
.gap-md { gap: var(--gap-md); }
.gap-lg { gap: var(--gap-lg); }

.neon-glow-green { text-shadow: 0 0 10px var(--neon-green), 0 0 20px var(--neon-green); }
.neon-glow-gold  { text-shadow: 0 0 10px var(--neon-gold),  0 0 20px var(--neon-gold); }
.neon-glow-cyan  { text-shadow: 0 0 10px var(--neon-cyan),  0 0 20px var(--neon-cyan); }

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border-color); border: 1px solid var(--neon-green); }
::-webkit-scrollbar-thumb:hover { background: var(--neon-green); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .navbar { padding: 10px var(--gap-md); }
  .container { padding: 0 var(--gap-md); }
  .navbar-nav { gap: 8px; }
  .navbar-nav a { font-size: 7px; padding: 4px 6px; }
  h1 { font-size: 12px; }
  h2 { font-size: 10px; }
}