/* ============================
   Thought Healer Card Styles
   (namespaced with th-)
   ============================ */

/* ––––––––––––––––––––––––––––––
   Variables & Resets
–––––––––––––––––––––––––––––– */
:root {
  --primary: #5e72e4;
  --primary-light: #825ee4;
  --secondary: #8a2be2;
  --dark: #2d3748;
  --light: #f7fafc;
  --gold: #FFD700;
  --gold-dark: #D4AF37;
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 1px 3px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 5px 10px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.15), 0 10px 10px rgba(0,0,0,0.05);
  --shadow-gold: 0 0 15px rgba(255, 215, 0, 0.7);

  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --text-primary: #0f172a;
  --card-bg: #ffffff;
}

.dark {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --text-primary: #f8fafc;
  --card-bg: #1e293b;
}

/* Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-secondary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-primary);
  line-height: 1.6;
}

header {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 800px;
  padding: 0 1rem;
}

h1 {
  padding: 5rem 1rem;
  font-family: 'Playfair Display', serif;
  font-size: 2.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.2;
}

/* Grid Layout */
.th-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  width: 100%;
  max-width: 1000px;
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .th-card-grid {
    grid-template-columns: 1fr;
  }
}

/* Animation */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Card Core */
.th-card {
  perspective: 1500px;
  cursor: pointer;
  position: relative;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}
.th-card:nth-child(1) { animation-delay: 0.1s; }
.th-card:nth-child(2) { animation-delay: 0.2s; }
.th-card:nth-child(3) { animation-delay: 0.3s; }
.th-card:nth-child(4) { animation-delay: 0.4s; }

.th-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 280px;
  transform-style: preserve-3d;
  transition: var(--transition);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
}

.th-card:hover .th-card-inner {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.th-card.is-flipped .th-card-inner {
  transform: rotateY(180deg);
  box-shadow: 0 0 25px var(--gold);
}

/* Card Faces */
.th-card-face {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  backface-visibility: hidden;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  transition: var(--transition);
  overflow: hidden;
}

/* Front */
.th-card-front {
  background: var(--card-bg);
  color: var(--text-primary);
  justify-content: center;
  align-items: center;
  text-align: center;
  border: 1px solid rgba(0,0,0,0.1);
}
.th-card-front::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 6px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.th-card-front-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.th-card-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 4px 12px rgba(94, 114, 228, 0.3);
}

.th-card-front h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: black;
}

.th-card-front p {
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  opacity: 0.8;
}

.th-flip-badge {
  position: absolute;
  top: 0; left: 0;
  background: var(--gold);
  color: #000;
  padding: 0.5rem 1.2rem;
  border-radius: 16px 0 16px 0;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  box-shadow: var(--shadow-gold);
  z-index: 1;
  transform: translate(-1px, -1px);
  border: 1px solid rgba(0,0,0,0.1);
  border-top: none;
  border-left: none;
}

/* Back */
.th-card-back {
  background-color: var(--card-bg);
  color: var(--text-primary);
  transform: rotateY(180deg);
  justify-content: center;
  align-items: center;
  padding: 0;
}

.th-card-back-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 16px;
}

/* Per-card image tweaks */
.th-card-grid .th-card:nth-child(1) .th-card-back-image {
  background-color: #e0f7fa !important;
  object-position: top center;
  transform: translateY(-12%);
}
.th-card-grid .th-card:nth-child(2) .th-card-back-image {
  background-color: #f3e5f5 !important;
  height: 50%;
  object-position: center;
  transform: translateY(-20%);
}

/* Back Buttons */
.th-card-back .th-card-buttons {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  display: flex;
  gap: 1rem;
  justify-content: center;
  backdrop-filter: blur(4px);
}

[data-category="anxiety"]   .th-card-back .th-card-btn { background: #45396b; color: white; }
[data-category="depression"] .th-card-back .th-card-btn { background: #8662b8; color: white; }
[data-category="stress"]     .th-card-back .th-card-btn { background: #b848c8; color: white; }

.th-card-back .th-card-btn {
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.th-card-back .th-card-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 3px 10px rgba(0,0,0,0.2);
}

.th-card-front .th-card-buttons {
  display: none;                                                   #f1e4f5
}

/* ============================
   Theme Toggle Button
   ============================ */
.theme-toggle {
  position: relative;
  width: 60px;
  height: 30px;
  border-radius: 15px;
  background-color: var(--bg-secondary);
  transition: all 0.3s ease;
  cursor: pointer;
  border: 1px solid var(--border-color);
}

.theme-toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--primary);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dark .theme-toggle::after {
  transform: translateX(30px);
  background-color: var(--secondary);
}

.th-card-front,
.dark .th-card-front,
.th-card-back,
.dark .th-card-back {
  background-color: #ffffff !important;
  color: #1f2937 !important; /* dark text for contrast */
}

.th-card:nth-child(2) .th-card-back {
  background-color: #f3e5f5 !important; /* Light lavender background */
}


/* Update the card grid for mobile */
@media (max-width: 768px) {
  .th-card-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 0 1rem;
  }
  
  .th-card {
    min-height: 240px;
  }
  
  .th-card-face {
    padding: 1.5rem;
  }
  
  .th-card-front h3 {
    font-size: 1.2rem;
  }
  
  .th-card-icon {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }
  
  .th-card-back .th-card-buttons {
    flex-wrap: wrap;
    padding: 0.8rem;
  }
  
  .th-card-back .th-card-btn {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }
}