/* CSS Variables for theme colors */
:root {
  /* Instagram colors */
  --ig-yellow: #FFD600;
  --ig-orange: #FF7A00;
  --ig-pink: #FF0069;
  --ig-purple: #D300C5;
  --ig-blue: #7638FA;
  
  /* Gradient definitions */
  --gradient-bg: linear-gradient(45deg, 
    rgba(255, 214, 0, 0.7), 
    rgba(255, 122, 0, 0.7), 
    rgba(255, 0, 105, 0.7), 
    rgba(211, 0, 197, 0.7), 
    rgba(118, 56, 250, 0.7));
  --gradient-2: linear-gradient(135deg, var(--ig-pink), var(--ig-orange));
  --gradient-3: linear-gradient(135deg, var(--ig-pink), var(--ig-orange), var(--ig-yellow));
  
  /* Common values */
  --text-dark: #1e293b;
  --text-gray: #64748b;
  --text-light: #475569;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px var(--shadow);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --spacing: 1.25rem;

  /* Download card colors */
  --download-red: #f03e3e;
  --download-red-hover: #c92a2a;
  --download-shadow: rgba(240, 62, 62, 0.2);
  --download-shadow-hover: rgba(201, 42, 42, 0.3);
}

/* Base layout */
body {
  min-height: 100vh;
  padding: 2rem 1rem;
  background: var(--gradient-bg), #ffffff;
  position: relative;
}

/* Pattern overlays */
body::before,
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

body::before {
  opacity: 0.25;
  background: 
    linear-gradient(60deg, transparent 33%, rgba(255,255,255,0.15) 33% 66%, transparent 66%),
    linear-gradient(-60deg, transparent 33%, rgba(255,255,255,0.1) 33% 66%, transparent 66%),
    linear-gradient(0deg, transparent 33%, rgba(0,0,0,0.04) 33% 66%, transparent 66%);
  background-size: 60px 104px;
}

body::after {
  opacity: 0.18;
  background: 
    linear-gradient(30deg, transparent 49.5%, rgba(255,255,255,0.1) 49.5% 50.5%, transparent 50.5%),
    linear-gradient(150deg, transparent 49.5%, rgba(255,255,255,0.1) 49.5% 50.5%, transparent 50.5%),
    linear-gradient(270deg, transparent 49.5%, rgba(255,255,255,0.07) 49.5% 50.5%, transparent 50.5%);
  background-size: 80px 140px;
  background-position: 0 0, 0 0, 40px 70px;
}


main {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

main > * { border: none !important; margin: 0 !important; }

/* Fixed share button with gradient */
.share-button {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-2);
  color: white;
  border: none;
  box-shadow: 0 4px 12px var(--shadow);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  z-index: 1000;
  font-size: 1.5rem;
}

.share-button:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px var(--shadow);
}

@media (min-width: 768px) {
  .share-button {
    width: 60px;
    height: 60px;
    font-size: 1.75rem;
    top: 2rem;
    right: 2rem;
  }
}

/* Profile card with gradient border */
.profile-section {
  background: white;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 2px 8px var(--shadow);
  margin-bottom: var(--spacing);
  border: 2px solid transparent;
  background-image: linear-gradient(white, white), var(--gradient-3);
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

.profile-section img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 0 auto 1.25rem;
  padding: 3px;
  background: var(--gradient-3);
  box-shadow: 0 4px 12px var(--shadow);
}

.profile-section h1 {
  font-size: 2.5rem;
  margin: 0 0 0.5rem 0;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

.profile-section .title {
  color: var(--ig-pink);
  font-size: 1.3rem;
  margin: 0 0 0.75rem 0;
  font-weight: 500;
}

.profile-section p {
  color: var(--text-gray);
  font-size: 1rem;
  margin: 0.5rem 0 0 0;
  line-height: 1.5;
}

/* Social links container */
.links-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: var(--spacing);
}

/* Individual link card styling */
.link-card {
  background: white;
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  box-shadow: 0 2px 6px var(--shadow);
  transition: all 0.2s;
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  overflow: hidden;
  border: 1px solid #f0f0f0;
}

/* Animated left border on hover */
.link-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--ig-pink), var(--ig-orange));
  transform: scaleY(0);
  transition: transform 0.2s;
}

.link-card:hover {
  transform: translateY(-2px);
}

.link-card:hover::before {
  transform: scaleY(1);
}

.link-card .icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.link-card .content {
  flex: 1;
}

.link-card .title {
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  color: var(--text-dark);
}

.link-card .description {
  font-size: 0.9rem;
  color: var(--text-gray);
}

/* Download link card styling */
.link-card-download {
  border-left: 10px solid var(--download-red);
  box-shadow: -4px 0 8px var(--download-shadow), 0 2px 6px var(--shadow);
}

.link-card-download::before {
  display: none; /* Remove animated border for download cards */
}

.link-card-download:hover {
  border-left-color: var(--download-red-hover);
  box-shadow: -4px 0 12px var(--download-shadow-hover), 0 4px 12px var(--download-shadow);
}

/* About section card */
.about-section {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--spacing);
  box-shadow: 0 2px 6px var(--shadow);
}

.about-section h2 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}

.about-section p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-light);
  margin: 0.5rem 0;
}

.about-section hr {
  display: block;
  border: none;
  border-top: 1px solid #e5e7eb;
  margin: 1rem 0;
}

/* Toast notification for share feedback */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-2);
  color: white;
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s;
  z-index: 9999;
  font-weight: 500;
}

@keyframes slideUp {
  from {
    transform: translateX(-50%) translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
}

/* Mobile responsive adjustments */
@media (max-width: 640px) {
  body { padding: 1rem 0.5rem; }
  .profile-section { padding: 1.5rem 1rem; }
  .profile-section h1 { font-size: 2rem; }
  .profile-section img { width: 120px; height: 120px; }
  .link-card { padding: 0.875rem 1rem; }
  .about-section { padding: 1.25rem; }
}