/* ============================================
   SHARED STYLES - Portfolio Website
   Used across all pages to prevent duplication
   ============================================ */

/* ============================================
   CSS VARIABLES - Theme System
   ============================================ */
:root {
  /* Primary Colors */
  --primary-color: #0cc060;
  --primary-dark: #0a9d4d;
  --accent-color: #00d9ff;

  /* Background & Overlays */
  --bg-gradient: radial-gradient(circle at 50% 50%, rgba(12, 192, 96, 0.03) 0%, transparent 50%);
  --border-color: rgba(12, 192, 96, 0.2);
  --bg-overlay: rgba(15, 15, 15, 0.85);
  --glow-color: rgba(12, 192, 96, 0.5);

  /* Typography */
  --font-mono: "Cascadia Code", "JetBrains Mono", monospace;
}

/* Theme Variations */
body.theme-blue {
  --primary-color: #00d9ff;
  --primary-dark: #00a8cc;
  --accent-color: #0cc060;
  --bg-gradient: radial-gradient(circle at 50% 50%, rgba(0, 217, 255, 0.03) 0%, transparent 50%);
  --border-color: rgba(0, 217, 255, 0.2);
  --glow-color: rgba(0, 217, 255, 0.5);
}

body.theme-purple {
  --primary-color: #a855f7;
  --primary-dark: #7c3aed;
  --accent-color: #ec4899;
  --bg-gradient: radial-gradient(circle at 50% 50%, rgba(168, 85, 247, 0.03) 0%, transparent 50%);
  --border-color: rgba(168, 85, 247, 0.2);
  --glow-color: rgba(168, 85, 247, 0.5);
}

body.theme-amber {
  --primary-color: #f59e0b;
  --primary-dark: #d97706;
  --accent-color: #ef4444;
  --bg-gradient: radial-gradient(circle at 50% 50%, rgba(245, 158, 11, 0.03) 0%, transparent 50%);
  --border-color: rgba(245, 158, 11, 0.2);
  --glow-color: rgba(245, 158, 11, 0.5);
}

body.theme-pink {
  --primary-color: #ec4899;
  --primary-dark: #db2777;
  --accent-color: #f472b6;
  --bg-gradient: radial-gradient(circle at 50% 50%, rgba(236, 72, 153, 0.03) 0%, transparent 50%);
  --border-color: rgba(236, 72, 153, 0.2);
  --glow-color: rgba(236, 72, 153, 0.5);
}

/* Monochrome Theme */
body.theme-mono {
  --primary-color: #ffffff;
  --primary-dark: #e5e5e5;
  --accent-color: #cccccc;
  --bg-gradient: none;
  --border-color: rgba(255, 255, 255, 0.1);
  --glow-color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   SHARED KEYFRAME ANIMATIONS
   ============================================ */

/* Fade and Glow */
@keyframes fadeGlow {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}

/* Slide Up */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Loading Dots */
@keyframes dots {
  0%, 20% {
    content: '';
  }
  40% {
    content: '.';
  }
  60% {
    content: '..';
  }
  80%, 100% {
    content: '...';
  }
}

/* Marquee Scroll */
@keyframes marqueeScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Mouse Float */
@keyframes mouseFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Mouse Scroll */
@keyframes mouseScroll {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(10px);
  }
}

/* Pulse Glow */
@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 20px var(--glow-color);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 40px var(--glow-color);
    transform: scale(1.02);
  }
}

/* Rotate */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ============================================
   SHARED BACKGROUND ELEMENTS
   ============================================ */

.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-gradient);
  pointer-events: none;
  z-index: -2;
  animation: fadeGlow 12s ease-in-out infinite;
}

.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: -1;
  opacity: 0.3;
}

/* ============================================
   TERMINAL LOADER (All Pages)
   ============================================ */

.terminal-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #0a0a0a;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.terminal-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.terminal-text {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--primary-color);
  letter-spacing: 0.1em;
}

.terminal-text .dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}

/* ============================================
   DOCK BLUR OVERLAY (All Sub-pages)
   ============================================ */

.dock-blur-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backdrop-filter: blur(0px);
  background: rgba(0, 0, 0, 0);
  pointer-events: none;
  z-index: 98;
  transition: backdrop-filter 0.3s ease, background 0.3s ease;
}

.dock-blur-overlay.active {
  backdrop-filter: blur(8px);
  background: rgba(0, 0, 0, 0.3);
}

/* ============================================
   SCROLL INDICATOR (All Pages)
   ============================================ */

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.scroll-indicator.hidden {
  opacity: 0;
  pointer-events: none;
}

.mouse-icon {
  width: 24px;
  height: 40px;
  border: 2px solid var(--primary-color);
  border-radius: 12px;
  position: relative;
  animation: mouseFloat 2s ease-in-out infinite;
}

.mouse-wheel {
  width: 3px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: mouseScroll 1.5s ease-in-out infinite;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.fade-in {
  animation: slideUp 0.6s ease-out forwards;
}

.glow-effect {
  box-shadow: 0 0 20px var(--glow-color);
  transition: box-shadow 0.3s ease;
}

.glow-effect:hover {
  box-shadow: 0 0 40px var(--glow-color);
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */

@media (max-width: 768px) {
  .grid-overlay {
    background-size: 30px 30px;
  }

  .terminal-text {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .grid-overlay {
    background-size: 20px 20px;
    opacity: 0.2;
  }
}