/* -------------------------------------------------------------
 * Priyanshu Garg Developer Portfolio - Custom Stylesheet v2.0
 * ------------------------------------------------------------- */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;600;800&display=swap');

/* Design Tokens & CSS Variables */
:root {
  /* Color Palette */
  --bg-void-black: #03050B;
  --bg-card-dark: #070A13;
  --color-cyber-cyan: #00F0FF;
  --color-electric-blue: #0066FF;
  --color-hyper-purple: #7C3AED;
  
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-dim: #475569;

  /* Font Pairings */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing Scale (8px Grid) */
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  /* Border Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

/* Base Styles & Modern Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: auto; /* Handled by Lenis smooth scroll */
  font-size: 16px;
  background-color: var(--bg-void-black);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
}

body {
  background-color: var(--bg-void-black);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

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

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

::-webkit-scrollbar-thumb {
  background: #1E293B;
  border-radius: var(--radius-xs);
  border: 2px solid var(--bg-void-black);
}

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

/* Typography Overrides */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

/* Glassmorphism & Neon Glow Utilities */
.glass-panel {
  background: rgba(7, 10, 19, 0.65);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.glass-panel:hover {
  border-color: rgba(0, 240, 255, 0.2);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.08);
}

.neon-glow-cyan {
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.3), 0 0 20px rgba(0, 240, 255, 0.1);
}

.neon-glow-purple {
  text-shadow: 0 0 10px rgba(124, 58, 237, 0.3), 0 0 20px rgba(124, 58, 237, 0.1);
}

/* Focus Ring Outline AA Standards */
:focus-visible {
  outline: 2px solid var(--color-cyber-cyan);
  outline-offset: 4px;
}

/* Custom UI Elements */
.magnetic {
  transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  display: inline-block;
}

/* Preloader Curtain styling */
.loader-curtain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 99;
  display: flex;
  pointer-events: none;
}

.loader-bar {
  height: 100%;
  flex: 1;
  background-color: var(--bg-card-dark);
}

/* ThreeJS Canvas positioning */
#three-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* Helper for animations */
.opacity-0-reveal {
  opacity: 0;
  transform: translateY(30px);
}

/* Cybernetic Grid & HUD Elements */
.cyber-grid {
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  position: absolute;
  inset: 0;
  pointer-events: none;
  mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 80%);
  z-index: 1;
}

.status-pulse {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #00F0FF;
  box-shadow: 0 0 10px #00F0FF, 0 0 20px #00F0FF;
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0% { transform: scale(0.95); opacity: 0.6; box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.4); }
  50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 8px 4px rgba(0, 240, 255, 0.2); }
  100% { transform: scale(0.95); opacity: 0.6; box-shadow: 0 0 0 0 rgba(0, 240, 255, 0); }
}

/* Glassmorphic Cyber Terminal */
.terminal-window {
  background: rgba(5, 7, 15, 0.8);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  font-family: 'Fira Code', 'Courier New', Courier, monospace;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  width: 100%;
}

.terminal-window:hover {
  border-color: rgba(0, 240, 255, 0.25);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 240, 255, 0.05);
  transform: translateY(-2px);
}

.terminal-header {
  background: rgba(10, 14, 26, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}

.terminal-buttons {
  display: flex;
  gap: 6px;
}

.terminal-btn {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.terminal-btn.close { background: #FF5F56; }
.terminal-btn.minimize { background: #FFBD2E; }
.terminal-btn.maximize { background: #27C93F; }

.terminal-tabs {
  display: flex;
  gap: 2px;
  margin-left: 16px;
}

.terminal-tab {
  font-size: 11px;
  color: #64748B;
  padding: 6px 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  border-bottom: 2px solid transparent;
  font-family: var(--font-body);
  font-weight: 500;
}

.terminal-tab:hover {
  color: #94A3B8;
}

.terminal-tab.active {
  color: #00F0FF;
  border-bottom-color: #00F0FF;
}

.terminal-body {
  padding: 18px;
  font-size: 12px;
  line-height: 1.6;
  height: 310px;
  overflow-y: auto;
  color: #E2E8F0;
  background-image: radial-gradient(circle at 100% 0%, rgba(124, 58, 237, 0.05) 0%, transparent 70%);
}

.terminal-body::-webkit-scrollbar {
  width: 6px;
}
.terminal-body::-webkit-scrollbar-track {
  background: transparent;
}
.terminal-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
}
.terminal-body::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 240, 255, 0.3);
}

.term-diagnostics-btn {
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid rgba(0, 240, 255, 0.15);
  color: #00F0FF;
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 11px;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 600;
  transition: all 0.25s ease;
}

.term-diagnostics-btn:hover {
  background: rgba(0, 240, 255, 0.12);
  border-color: #00F0FF;
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.15);
}

/* Code Syntax Highlighting tokens */
.token.keyword { color: #FF0055; font-weight: 600; }
.token.string { color: #10B981; }
.token.number { color: #F59E0B; }
.token.comment { color: #475569; font-style: italic; }
.token.boolean { color: #8B5CF6; }
.token.function { color: #3B82F6; }
.token.property { color: #00F0FF; }

/* Blinking prompt cursor */
.terminal-cursor {
  display: inline-block;
  width: 7px;
  height: 14px;
  background: #00F0FF;
  margin-left: 4px;
  animation: term-blink 1s steps(2, start) infinite;
  vertical-align: middle;
}

@keyframes term-blink {
  to { visibility: hidden; }
}

/* Typewriter animation helper */
.typewriter-cursor {
  border-right: 2px solid #00F0FF;
  animation: type-blink 0.75s step-end infinite;
}

@keyframes type-blink {
  from, to { border-color: transparent }
  50% { border-color: #00F0FF; }
}