/* Google Fonts Integration */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Orbitron:wght@500;700;900&family=Share+Tech+Mono&display=swap');

:root {
  /* Default: Light Mode Theme Variables */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --accent-color: #2563eb;
  --accent-glow: rgba(37, 99, 235, 0.15);
  --border-color: #e2e8f0;
  --card-bg: rgba(255, 255, 255, 0.7);
  --card-border: rgba(255, 255, 255, 0.8);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --font-sans: 'Outfit', sans-serif;
  --neon-cyan: transparent;
  --neon-pink: transparent;
  --grid-display: none;
}

/* Dark Mode Theme Variables */
[data-theme="dark"] {
  --bg-primary: #080c14;
  --bg-secondary: #0f172a;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-color: #4f46e5;
  --accent-glow: rgba(79, 70, 229, 0.3);
  --border-color: #1e293b;
  --card-bg: rgba(15, 23, 42, 0.6);
  --card-border: rgba(255, 255, 255, 0.05);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

/* Cyberpunk Mode Theme Variables */
[data-theme="cyberpunk"] {
  --bg-primary: #050508;
  --bg-secondary: #0d0d16;
  --text-primary: #00f0ff;
  --text-secondary: #ff007f;
  --accent-color: #ff007f;
  --accent-glow: rgba(255, 0, 127, 0.5);
  --border-color: #00f0ff;
  --card-bg: rgba(5, 5, 8, 0.85);
  --card-border: #00f0ff;
  --shadow-sm: 0 0 5px rgba(0, 240, 255, 0.3);
  --shadow-md: 0 0 15px rgba(0, 240, 255, 0.4), 0 0 5px rgba(255, 0, 127, 0.3);
  --shadow-lg: 0 0 25px rgba(0, 240, 255, 0.5), 0 0 10px rgba(255, 0, 127, 0.4);
  --font-sans: 'Share Tech Mono', 'Orbitron', monospace;
  --neon-cyan: #00f0ff;
  --neon-pink: #ff007f;
  --grid-display: block;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.4s ease, color 0.4s ease, font-family 0.3s ease;
  overflow-x: hidden;
}

/* Glassmorphism Styles */
.glass-panel {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-panel:hover {
  box-shadow: var(--shadow-lg);
}

.glass-input {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.glass-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

/* Cyberpunk specific neon glows */
[data-theme="cyberpunk"] .cyber-glow {
  box-shadow: 0 0 15px var(--neon-cyan), inset 0 0 8px rgba(0, 240, 255, 0.2);
  border: 1px solid var(--neon-cyan);
}

[data-theme="cyberpunk"] .cyber-glow-pink {
  box-shadow: 0 0 15px var(--neon-pink), inset 0 0 8px rgba(255, 0, 127, 0.2);
  border: 1px solid var(--neon-pink);
}

[data-theme="cyberpunk"] .cyber-btn {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--neon-cyan);
  background: transparent;
  color: var(--neon-cyan);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-family: 'Orbitron', sans-serif;
  transition: all 0.2s ease;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

[data-theme="cyberpunk"] .cyber-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.4), transparent);
  transition: all 0.4s ease;
}

[data-theme="cyberpunk"] .cyber-btn:hover::before {
  left: 100%;
}

[data-theme="cyberpunk"] .cyber-btn:hover {
  background: var(--neon-cyan);
  color: #000;
  box-shadow: 0 0 20px var(--neon-cyan);
  transform: translateY(-2px);
}

[data-theme="cyberpunk"] .cyber-text-glow {
  text-shadow: 0 0 8px var(--neon-cyan), 0 0 15px rgba(0, 240, 255, 0.5);
}

[data-theme="cyberpunk"] .cyber-text-glow-pink {
  text-shadow: 0 0 8px var(--neon-pink), 0 0 15px rgba(255, 0, 127, 0.5);
}

/* Background Grids & Animations for Cyberpunk */
.cyber-grid {
  display: var(--grid-display);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center top;
  z-index: -1;
  perspective: 500px;
  transform: rotateX(20deg);
  transform-origin: top center;
  opacity: 0.8;
  pointer-events: none;
}

/* Scanline Effect */
.cyber-scanlines {
  display: var(--grid-display);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  );
  background-size: 100% 4px;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.15;
}

/* Page Transitions */
.page-section {
  display: none;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.page-section.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

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

[data-theme="cyberpunk"] ::-webkit-scrollbar-thumb {
  background: var(--neon-cyan);
  border: 1px solid var(--neon-pink);
  box-shadow: 0 0 5px var(--neon-cyan);
}

/* Dino Game Styles */
#dino-canvas {
  background: #080c14;
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  border-radius: 8px;
  max-width: 100%;
}

[data-theme="cyberpunk"] #dino-canvas {
  background: #000000;
  border: 2px solid var(--neon-cyan);
  box-shadow: 0 0 20px var(--neon-cyan);
}

/* Glitch Heading Text Effect */
.glitch-wrapper {
  position: relative;
}

.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
}

[data-theme="cyberpunk"] .glitch-text::before {
  left: 2px;
  text-shadow: -1px 0 #ff007f;
  clip: rect(44px, 450px, 56px, 0);
  animation: glitch-anim 5s infinite linear alternate-reverse;
}

[data-theme="cyberpunk"] .glitch-text::after {
  left: -2px;
  text-shadow: -1px 0 #00f0ff, 0 1px #ff007f;
  clip: rect(85px, 450px, 140px, 0);
  animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
  0% { clip: rect(15px, 9999px, 66px, 0); }
  10% { clip: rect(112px, 9999px, 76px, 0); }
  20% { clip: rect(85px, 9999px, 5px, 0); }
  30% { clip: rect(27px, 9999px, 115px, 0); }
  40% { clip: rect(76px, 9999px, 13px, 0); }
  50% { clip: rect(131px, 9999px, 92px, 0); }
  60% { clip: rect(54px, 9999px, 122px, 0); }
  70% { clip: rect(98px, 9999px, 45px, 0); }
  80% { clip: rect(12px, 9999px, 88px, 0); }
  90% { clip: rect(104px, 9999px, 142px, 0); }
  100% { clip: rect(81px, 9999px, 19px, 0); }
}

@keyframes glitch-anim2 {
  0% { clip: rect(65px, 9999px, 110px, 0); }
  10% { clip: rect(5px, 9999px, 35px, 0); }
  20% { clip: rect(120px, 9999px, 85px, 0); }
  30% { clip: rect(95px, 9999px, 15px, 0); }
  40% { clip: rect(35px, 9999px, 130px, 0); }
  50% { clip: rect(110px, 9999px, 45px, 0); }
  60% { clip: rect(75px, 9999px, 105px, 0); }
  70% { clip: rect(20px, 9999px, 95px, 0); }
  80% { clip: rect(135px, 9999px, 60px, 0); }
  90% { clip: rect(45px, 9999px, 140px, 0); }
  100% { clip: rect(90px, 9999px, 25px, 0); }
}

/* Ripple loading spinner */
.lds-ripple {
  display: inline-block;
  position: relative;
  width: 80px;
  height: 80px;
}
.lds-ripple div {
  position: absolute;
  border: 4px solid var(--accent-color);
  opacity: 1;
  border-radius: 50%;
  animation: lds-ripple 1s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}
[data-theme="cyberpunk"] .lds-ripple div {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
}
.lds-ripple div:nth-child(2) {
  animation-delay: -0.5s;
}
@keyframes lds-ripple {
  0% {
    top: 36px;
    left: 36px;
    width: 0;
    height: 0;
    opacity: 0;
  }
  4.9% {
    top: 36px;
    left: 36px;
    width: 0;
    height: 0;
    opacity: 0;
  }
  5% {
    top: 36px;
    left: 36px;
    width: 0;
    height: 0;
    opacity: 1;
  }
  100% {
    top: 0px;
    left: 0px;
    width: 72px;
    height: 72px;
    opacity: 0;
  }
}

/* Fade in animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}