/* Animations */
@keyframes neonPulse {
  0%, 100% {
    filter: drop-shadow(0 0 10px rgba(0, 227, 255, 0.4));
  }
  50% {
    filter: drop-shadow(0 0 25px rgba(0, 227, 255, 0.8));
  }
}

@keyframes flicker {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.95;
  }
}

/* Base Styles - Mobile First */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: white;
  background: #050810;
  overflow-x: hidden;
}

#starfield {
  position: fixed;
  inset: 0;
  z-index: -1;
}

/* CRT Toggle */
.crt-toggle {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 20;
  color: white;
  font-size: 13px;
  background: rgba(0, 0, 0, 0.5);
  padding: 8px 12px;
  border-radius: 8px;
  backdrop-filter: blur(10px);
}

.crt-toggle label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

/* Hide default checkbox */
.crt-toggle input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  width: 0;
  height: 0;
}

/* Custom CRT TV checkbox using image */
.crt-toggle label span:first-of-type {
  position: relative;
  width: 40px;
  height: 40px;
  display: block;
  flex-shrink: 0;
  background-image: url('assets/crt.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  transition: all 0.3s ease;
}

/* Blue screen glow behind when checked */
.crt-toggle label span:first-of-type:before {
  content: "";
  position: absolute;
  inset: 8px;
  background: radial-gradient(circle at center, rgba(0, 227, 255, 0) 0%, rgba(0, 227, 255, 0) 100%);
  z-index: -1;
  transition: all 0.3s ease;
}

.crt-toggle input:checked + span:before {
  background: radial-gradient(circle at center, rgba(0, 227, 255, 0.9) 0%, rgba(0, 227, 255, 0.6) 40%, rgba(0, 227, 255, 0) 70%);
  box-shadow: 0 0 10px rgba(0, 227, 255, 0.5);
}

.crt-on {
  position: relative;
  animation: flicker 0.15s infinite;
}

/* Scanlines */
.crt-on:after {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  z-index: 10;
}

/* Screen curvature and vignette */
.crt-on:before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0) 50%,
    rgba(0, 0, 0, 0.3) 100%
  );
  z-index: 10;
}

/* RGB shift effect on text */
.crt-on * {
  text-shadow: 
    0.5px 0 0 rgba(255, 0, 0, 0.3),
    -0.5px 0 0 rgba(0, 255, 255, 0.3);
}

/* Navbar */
.navbar {
  padding: 16px;
  background: rgba(5, 8, 16, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 227, 255, 0.2);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 28%;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-size: 18px;
  font-weight: bold;
  color: #00e3ff;
  line-height: 1.2;
}

.logo-sub {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.2;
}

/* Hero Section */
.hero {
  padding: 40px 16px;
  text-align: center;
}

.hero-inner h1 {
  font-size: 28px;
  margin: 0 0 12px 0;
  color: #00e3ff;
  text-shadow: 0 0 20px rgba(0, 227, 255, 0.5);
}

.hero-inner p {
  font-size: 16px;
  margin: 0;
  color: #ff2a9d;
  text-shadow: 
    0 0 10px rgba(255, 42, 157, 0.8),
    0 0 20px rgba(255, 42, 157, 0.6),
    0 0 30px rgba(255, 42, 157, 0.4);
  font-weight: 500;
}

/* Projects Section */
.projects-section {
  padding: 20px 16px 40px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.project-card {
  text-decoration: none;
  color: white;
  background: rgba(0, 227, 255, 0.05);
  border: 1px solid rgba(0, 227, 255, 0.2);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 140px;
}

.project-card:hover {
  background: rgba(0, 227, 255, 0.1);
  border-color: rgba(0, 227, 255, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 227, 255, 0.2);
}

.card-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.project-icon {
  width: 64px;
  height: 64px;
  object-fit: contain;
  border-radius: 28%;
  filter: drop-shadow(0 0 10px rgba(0, 227, 255, 0.4));
  animation: neonPulse 3s ease-in-out infinite;
}

.project-card h3 {
  margin: 0;
  font-size: 16px;
  text-align: center;
  color: #00e3ff;
}

/* Buttons */
.btn {
  padding: 12px 24px;
  border-radius: 20px;
  text-decoration: none;
  margin: 5px;
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn.primary {
  background: #00e3ff;
  color: #000;
}

.btn.primary:hover {
  background: #00c8e6;
  box-shadow: 0 4px 12px rgba(0, 227, 255, 0.4);
}

.btn.ghost {
  border: 1px solid #fff;
  color: #fff;
  background: transparent;
}

.btn.ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Badge Buttons */
.btn-badge {
  display: inline-block;
  margin: 5px;
  transition: all 0.3s ease;
}

.btn-badge img {
  height: 50px;
  width: auto;
  display: block;
}

.btn-badge:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* GitHub Logo Button */
.btn-badge.github-logo img {
  height: 26px;
  width: auto;
  display: block;
}

/* Project Detail Pages */
.project-page {
  max-width: 600px;
  margin: 0 auto;
  padding: 40px 16px;
  text-align: center;
}

.project-page .project-icon-large {
  width: 100px;
  height: 100px;
  display: block;
  margin: 0 auto 24px;
  object-fit: contain;
  border-radius: 28%;
  filter: drop-shadow(0 0 20px rgba(0, 227, 255, 0.4));
  animation: neonPulse 3s ease-in-out infinite;
}

.project-page h1 {
  font-size: 32px;
  margin: 0 0 16px 0;
  color: #00e3ff;
  text-shadow: 0 0 20px rgba(0, 227, 255, 0.5);
}

.project-page p {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 32px 0;
}

.project-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.back {
  color: #00e3ff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.back:hover {
  color: #00c8e6;
  transform: translateX(-4px);
}

/* Tablet Styles */
@media (min-width: 600px) {
  .navbar {
    padding: 20px 24px;
  }

  .logo-img {
    width: 48px;
    height: 48px;
  }

  .logo-main {
    font-size: 22px;
  }

  .logo-sub {
    font-size: 12px;
  }

  .hero {
    padding: 60px 24px;
  }

  .hero-inner h1 {
    font-size: 36px;
  }

  .hero-inner p {
    font-size: 18px;
  }

  .projects-section {
    padding: 30px 24px 60px;
  }

  .project-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 20px;
  }

  .project-card {
    padding: 24px;
    min-height: 160px;
  }

  .project-icon {
    width: 72px;
    height: 72px;
  }

  .project-card h3 {
    font-size: 18px;
  }

  .project-page {
    padding: 60px 24px;
  }

  .project-page .project-icon-large {
    width: 120px;
    height: 120px;
    margin-bottom: 28px;
  }

  .project-page h1 {
    font-size: 40px;
  }

  .project-page p {
    font-size: 18px;
    margin-bottom: 40px;
  }

  .project-links {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }

  .back {
    font-size: 17px;
  }
}

/* Neon Pink Button */
.btn-neon-pink {
  color: #ff2a9d !important;
  border: 2px solid #ff2a9d !important;
  background: transparent !important;
  padding: 8px 16px !important;
  font-size: 12px !important;
  text-shadow: 
    0 0 10px rgba(255, 42, 157, 0.8),
    0 0 20px rgba(255, 42, 157, 0.6);
  box-shadow: 
    0 0 10px rgba(255, 42, 157, 0.4),
    inset 0 0 10px rgba(255, 42, 157, 0.1);
}

.btn-neon-pink:hover {
  color: #ff2a9d !important;
  border-color: #ff2a9d !important;
  background: rgba(255, 42, 157, 0.1) !important;
  text-shadow: 
    0 0 15px rgba(255, 42, 157, 1),
    0 0 30px rgba(255, 42, 157, 0.8);
  box-shadow: 
    0 0 20px rgba(255, 42, 157, 0.6),
    inset 0 0 15px rgba(255, 42, 157, 0.2);
  transform: translateY(-2px);
}

/* Email Icon */
.email-icon-simple {
  display: inline-block;
  text-decoration: none;
  transition: all 0.3s ease;
  margin-left: 4px;
}

.email-icon-simple:hover {
  opacity: 0.7;
  transform: scale(1.1);
}

/* Desktop Styles */
@media (min-width: 1024px) {
  .navbar {
    padding: 24px 40px;
  }

  .logo-img {
    width: 56px;
    height: 56px;
  }

  .logo-main {
    font-size: 24px;
  }

  .logo-sub {
    font-size: 13px;
  }

  .hero {
    padding: 80px 40px;
  }

  .hero-inner h1 {
    font-size: 48px;
  }

  .hero-inner p {
    font-size: 20px;
  }

  .projects-section {
    padding: 40px 40px 80px;
  }

  .project-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
  }

  .project-card {
    padding: 28px;
    min-height: 180px;
  }

  .project-icon {
    width: 80px;
    height: 80px;
  }

  .project-card h3 {
    font-size: 20px;
  }

  .crt-toggle {
    top: 16px;
    right: 16px;
    font-size: 15px;
    padding: 10px 16px;
  }

  .project-page {
    padding: 80px 40px;
  }

  .project-page .project-icon-large {
    width: 140px;
    height: 140px;
    margin-bottom: 32px;
  }

  .project-page h1 {
    font-size: 48px;
  }

  .project-page p {
    font-size: 20px;
    margin-bottom: 48px;
  }

  .back {
    font-size: 18px;
  }
}