@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* --- Root Variables & Theme System --- */
:root {
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'Space Grotesk', monospace;

  /* Theme Defaults (Dark Mode) */
  --bg-color: #0a0e17;
  --bg-grid: rgba(99, 102, 241, 0.03);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.07);
  --card-shadow: rgba(0, 0, 0, 0.4);
  --scroll-bar: #1e293b;
  --scroll-thumb: #334155;

  /* Role Default Accent: Combined overall */
  --accent-color: #8b5cf6;
  --accent-color-rgb: 139, 92, 246;
  --accent-glow: rgba(139, 92, 246, 0.45);

  /* Context Menu variables */
  --menu-bg: rgba(10, 15, 30, 0.92);
  --menu-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 15px var(--accent-glow);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-color: #f8fafc;
  --bg-grid: rgba(99, 102, 241, 0.04);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --glass-bg: rgba(15, 23, 42, 0.03);
  --glass-border: rgba(15, 23, 42, 0.08);
  --card-shadow: rgba(15, 23, 42, 0.08);
  --scroll-bar: #e2e8f0;
  --scroll-thumb: #cbd5e1;

  --accent-color: #6366f1;
  --accent-color-rgb: 99, 102, 241;
  --accent-glow: rgba(99, 102, 241, 0.25);

  /* Context Menu variables */
  --menu-bg: rgba(248, 250, 252, 0.95);
  --menu-shadow: 0 10px 30px rgba(15, 23, 42, 0.15), 0 0 15px var(--accent-glow);
}

/* Role Specific Accent Overrides (Dynamically set via JS or HTML class) */
body.role-gamedev {
  --accent-color: #a855f7;
  --accent-color-rgb: 168, 85, 247;
  --accent-glow: rgba(168, 85, 247, 0.5);
}
body.role-webdev {
  --accent-color: #06b6d4;
  --accent-color-rgb: 6, 182, 212;
  --accent-glow: rgba(6, 182, 212, 0.5);
}
body.role-python {
  --accent-color: #eab308;
  --accent-color-rgb: 234, 179, 8;
  --accent-glow: rgba(234, 179, 8, 0.5);
}
body.role-video {
  --accent-color: #f97316;
  --accent-color-rgb: 249, 115, 22;
  --accent-glow: rgba(249, 115, 22, 0.5);
}

/* --- Base Styles --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  cursor: default; /* We handle active pointers manually */
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--scroll-thumb) var(--scroll-bar);
}

body {
  background-color: var(--bg-color);
  background-image: 
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
  line-height: 1.6;
  user-select: none;
  -webkit-user-select: none;
}

a, button, .role-btn, .project-card, .menu-item {
  cursor: pointer;
}

/* Scrollbar customization */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--scroll-bar);
}
::-webkit-scrollbar-thumb {
  background: var(--scroll-thumb);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-color);
}

/* --- Layout Utility Classes --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
  position: relative;
}

/* --- Header & Navigation --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  background-color: rgba(var(--bg-color), 0.7);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-color);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-glow);
  display: inline-block;
  transition: background-color 0.3s ease;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

nav a:hover, nav a.active {
  color: var(--accent-color);
}

/* Header Controls */
.controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.control-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.control-btn:hover {
  border-color: var(--accent-color);
  box-shadow: 0 0 8px var(--accent-glow);
  transform: translateY(-2px);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: center;
  width: 100%;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-color);
  background: rgba(var(--accent-color-rgb), 0.1);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  border: 1px solid rgba(var(--accent-color-rgb), 0.25);
  align-self: flex-start;
  transition: all 0.3s ease;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
}

.highlight {
  color: var(--accent-color);
  text-shadow: 0 0 20px rgba(var(--accent-color-rgb), 0.2);
  transition: color 0.3s ease;
}

.hero-headline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.hero-summary {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* CTA buttons */
.cta-group {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.btn {
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--accent-color);
  color: #ffffff;
  border: 1px solid transparent;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  border-color: var(--accent-color);
  transform: translateY(-2px);
}

/* Right-side 3D Container */
#canvas-container {
  height: 500px;
  width: 100%;
  position: relative;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  background: radial-gradient(circle at center, rgba(var(--accent-color-rgb), 0.05) 0%, transparent 70%);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

#canvas-container:hover {
  border-color: rgba(var(--accent-color-rgb), 0.3);
}

/* WebGL overlay indicators */
.canvas-tip {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

/* --- Role Selection Hub --- */
.role-hub {
  padding: 4rem 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  background: rgba(var(--accent-color-rgb), 0.01);
}

.section-subtitle {
  text-align: center;
  font-family: var(--font-mono);
  color: var(--accent-color);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.section-title {
  text-align: center;
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 3rem;
  letter-spacing: -0.5px;
}

.role-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

/* All Roles button: centred above the 4 role buttons */
.role-btn[data-role="all"] {
  grid-column: 1 / -1;
  justify-self: center;
  width: 260px;
}

.role-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 1.5rem 1rem;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text-secondary);
  position: relative;
  overflow: hidden;
}

.role-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: background 0.3s ease;
}

.role-btn.active::before {
  background: var(--role-color);
}

.role-btn .role-icon {
  font-size: 2rem;
  transition: transform 0.3s ease;
}

.role-btn .role-name {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.role-btn .role-stat {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  opacity: 0.7;
}

.role-btn:hover, .role-btn.hover-focus {
  transform: translateY(-5px);
  border-color: var(--role-color);
  box-shadow: 0 8px 24px rgba(var(--role-color-rgb), 0.15);
  color: var(--text-primary);
}

.role-btn:hover .role-icon, .role-btn.hover-focus .role-icon {
  transform: scale(1.15) rotate(5deg);
}

.role-btn.active {
  background: rgba(var(--role-color-rgb), 0.08);
  border-color: var(--role-color);
  box-shadow: 0 4px 20px rgba(var(--role-color-rgb), 0.2);
}

/* Colors for specific roles */
.role-btn[data-role="gamedev"] { --role-color: #a855f7; --role-color-rgb: 168, 85, 247; }
.role-btn[data-role="webdev"] { --role-color: #06b6d4; --role-color-rgb: 6, 182, 212; }
.role-btn[data-role="python"] { --role-color: #eab308; --role-color-rgb: 234, 179, 8; }
.role-btn[data-role="video"] { --role-color: #f97316; --role-color-rgb: 249, 115, 22; }

/* --- Dynamic Projects Showcase --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.project-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 100% 0%, rgba(var(--accent-color-rgb), 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-color);
  box-shadow: 0 12px 30px rgba(var(--accent-color-rgb), 0.15);
}

.project-header {
  padding: 1.5rem 1.5rem 0.5rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.project-role-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-color);
  border: 1px solid rgba(var(--accent-color-rgb), 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(var(--accent-color-rgb), 0.05);
}

.project-body {
  padding: 1rem 1.5rem;
  flex-grow: 1;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.project-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.project-footer {
  padding: 0 1.5rem 1.5rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-link {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.2s ease;
}

.project-link:hover {
  text-shadow: 0 0 8px var(--accent-glow);
  transform: translateX(3px);
}

.project-tech {
  display: flex;
  gap: 0.5rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background: var(--glass-bg);
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
}

/* Card Filtering Animations */
.project-card.filtered-out {
  display: none;
}

/* --- Skills & Metrics Section --- */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.skills-left {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.skills-right {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.skill-stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 1.5rem;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

.skill-stat-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-glow);
}

.skill-stat-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.skill-stat-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.skill-progress-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-progress-header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.skill-progress-bar-bg {
  width: 100%;
  height: 8px;
  background: var(--glass-border);
  border-radius: 50px;
  overflow: hidden;
  position: relative;
}

.skill-progress-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent-color);
  border-radius: 50px;
  box-shadow: 0 0 10px var(--accent-glow);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Interests tags */
.interests-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.interest-tag {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.interest-tag:hover {
  border-color: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-glow);
  transform: translateY(-2px);
}

/* --- Timeline Section (Experience & Education) --- */
.timeline-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.timeline-column-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.timeline {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.timeline-item {
  position: relative;
}

.timeline-dot {
  position: absolute;
  left: calc(-2rem - 6px);
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--bg-color);
  border: 2px solid var(--accent-color);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-glow);
  transition: all 0.3s ease;
}

.timeline-item:hover .timeline-dot {
  background: var(--accent-color);
  transform: scale(1.3);
}

.timeline-time {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-color);
  margin-bottom: 0.4rem;
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.timeline-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.timeline-desc p {
  margin-bottom: 0.5rem;
}

/* --- Custom Retro Context Menu --- */
#custom-context-menu {
  position: fixed;
  background: var(--menu-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 2px solid var(--accent-color);
  box-shadow: var(--menu-shadow);
  border-radius: 8px;
  width: 220px;
  padding: 0.5rem;
  z-index: 10000;
  display: none;
  animation: menuFadeIn 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: var(--font-mono);
}

#custom-context-menu::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
  background-size: 100% 4px, 6px 100%;
  pointer-events: none;
  border-radius: 6px;
}

.menu-header {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--accent-color);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.3rem 0.5rem 0.5rem 0.5rem;
  margin-bottom: 0.4rem;
  letter-spacing: 1px;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--text-primary);
  transition: all 0.2s ease;
  user-select: none;
}

.menu-item:hover {
  background: var(--accent-color);
  color: #000000;
  text-shadow: none;
  font-weight: 600;
}

.menu-separator {
  height: 1px;
  background: var(--glass-border);
  margin: 0.4rem 0;
}

@keyframes menuFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* --- Contact & Footer --- */
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  border-top: 1px solid var(--glass-border);
  padding-top: 4rem;
  margin-top: 4rem;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-right {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.social-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-glow);
  transform: translateY(-3px);
}

.copy-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2rem;
}

/* --- Responsive Breakpoints --- */
@media (max-width: 968px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  #canvas-container {
    height: 400px;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .timeline-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

@media (max-width: 600px) {
  .hero-title {
    font-size: 2.5rem;
  }

  nav ul {
    display: none; /* In a production app, we would add a hamburger, but keeping clean navigation here */
  }

  .role-tabs {
    grid-template-columns: 1fr;
  }
}