/* Custom Style - Portfolio Web Application */

:root {
  /* Light Mode values */
  --color-bg: #F8FAFC;
  --color-bg-mesh: rgba(248, 250, 252, 0.95);
  --color-nav-bg: rgba(248, 250, 252, 0.8);
  --color-card: rgba(255, 255, 255, 0.7);
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-hover: rgba(99, 102, 241, 0.35);
  --color-primary: #4F46E5;
  --color-secondary: #0891B2;
  --color-emerald: #059669;
  --color-text: #1E293B;
  --color-nav-link: #64748B;
  --color-grid-line: rgba(0, 0, 0, 0.02);
  --color-glow-1: rgba(99, 102, 241, 0.05);
  --color-glow-2: rgba(6, 182, 212, 0.05);
}

[data-theme="dark"] {
  /* Dark Mode values */
  --color-bg: #0B0F19;
  --color-bg-mesh: rgba(11, 15, 25, 0.95);
  --color-nav-bg: rgba(11, 15, 25, 0.75);
  --color-card: rgba(17, 24, 39, 0.7);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(99, 102, 241, 0.4);
  --color-primary: #6366F1;
  --color-secondary: #06B6D4;
  --color-emerald: #10B981;
  --color-text: #F3F4F6;
  --color-nav-link: #94A3B8;
  --color-grid-line: rgba(255, 255, 255, 0.007);
  --color-glow-1: rgba(99, 102, 241, 0.08);
  --color-glow-2: rgba(6, 182, 212, 0.08);
}

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

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

::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: 9999px;
  border: 2px solid var(--color-bg);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.6);
}

/* Smooth Scrolling & Theme Transition */
html {
  scroll-behavior: smooth;
  font-family: 'Outfit', 'Prompt', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Base Body Grid Overlay background */
body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.bg-grid-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image: 
    radial-gradient(circle at 10% 20%, var(--color-glow-1) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, var(--color-glow-2) 0%, transparent 40%),
    linear-gradient(var(--color-bg-mesh), var(--color-bg-mesh));
  transition: background-image 0.3s ease;
}

/* Custom Grid Mesh effect */
.bg-grid-glow::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--color-grid-line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--color-grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, #000 70%, transparent 100%);
  pointer-events: none;
  transition: background-image 0.3s ease;
}

/* Glassmorphism Styles */
.glass-panel {
  background: var(--color-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .glass-panel {
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.glass-panel:hover {
  border-color: var(--color-border-hover);
  box-shadow: 0 10px 40px -10px rgba(99, 102, 241, 0.2);
}

.glass-nav {
  background: var(--color-nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Custom Text typing animation cursor */
.typing-cursor::after {
  content: '|';
  margin-left: 2px;
  animation: blink 0.8s steps(2, start) infinite;
  color: var(--color-secondary);
}

@keyframes blink {
  to { opacity: 0; }
}

/* Active Navigation link styles */
.nav-link {
  position: relative;
  color: var(--color-nav-link);
  transition: color 0.3s ease;
}

.nav-link.active,
.nav-link:hover {
  color: var(--color-primary);
}

.glass-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: width 0.3s ease;
}

.glass-nav .nav-link.active::after,
.glass-nav .nav-link:hover::after {
  width: 100%;
}

/* Interactive Timeline Styles */
.timeline-dot::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.3;
  animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-ring {
  0%, 100% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.6);
    opacity: 0;
  }
}

/* Floating Animation */
.float-animation {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-10px) rotate(1deg);
  }
}

/* Glowing Button Hover Effects */
.btn-glow {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: 0.5s;
  z-index: -1;
}

.btn-glow:hover::before {
  left: 100%;
}

/* Modal Open state animations */
.modal-enter {
  opacity: 0;
  transform: scale(0.95);
}

.modal-enter-active {
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.3s ease-out, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-exit {
  opacity: 1;
  transform: scale(1);
}

.modal-exit-active {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.2s ease-in, transform 0.2s ease-in;
}