/* Psychoeducational Cards Web App - Styles */
/* Theme: Confidence, Communication, Productivity */
/* Color Palette: Calming purples, energizing blues, warm pinks, fresh greens */

/* ===== CSS Reset & Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {

  /* Primary Colors - Muted and Soft Tones */
  --primary-sage: #9CAF88;
  --primary-sage-dark: #7d9370;
  
  /* Secondary Colors - Earthy and Calming */
  --secondary-dusty-rose: #d4a5a5;
  --secondary-soft-blue: #9ab7d3;
  --secondary-muted-teal: #7db6a3;
  
  /* Neutral Colors */
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --medium-gray: #e9ecef;
  --dark-gray: #6c757d;
  --text-dark: #2d3748;
  --text-light: #718096;

  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background: linear-gradient(135deg, #f5f7fa 0%, #e8ebe9 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 2.5rem;
  color: var(--text-dark);
}

h2 {
  font-size: 2rem;
  color: var(--text-dark);
}

h3 {
  font-size: 1.5rem;
  color: var(--text-dark);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-light);
}

/* ===== Header ===== */
.header {
  background: linear-gradient(135deg, var(--primary-sage) 0%, var(--primary-sage-dark) 100%);
  color: var(--white);
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.05)"/></svg>');
  opacity: 0.3;
  pointer-events: none;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.header h1 {
  color: var(--white);
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.header-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--spacing-lg);
  font-weight: 300;
}

/* ===== Search Section ===== */
.search-section {
  background: var(--white);
  padding: var(--spacing-lg) var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.search-container {
  max-width: 800px;
  margin: 0 auto;
}

.search-box {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.search-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--medium-gray);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-sage);
}

.search-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary-sage) 0%, var(--primary-sage-dark) 100%);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.search-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.search-btn:active {
  transform: translateY(0);
}

/* ===== Filter Section ===== */
.filter-section {
  background: var(--white);
  padding: var(--spacing-lg) var(--spacing-md);
  border-top: 1px solid var(--medium-gray);
}

.filter-container {
  max-width: 1200px;
  margin: 0 auto;
}

.filter-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
  text-align: center;
}

.theme-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--light-gray);
  color: var(--text-dark);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.filter-btn:hover {
  background: var(--medium-gray);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--primary-sage) 0%, var(--primary-sage-dark) 100%);
  color: var(--white);
  border-color: var(--primary-purple-dark);
}

.filter-btn .count {
  opacity: 0.8;
  font-size: 0.85rem;
}

/* ===== Cards Section ===== */
.cards-section {
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
}

.cards-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.card-count {
  font-size: 1.1rem;
  color: var(--text-light);
  font-weight: 500;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

/* ===== Card Styles ===== */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.card-header {
  padding: var(--spacing-md);
  color: var(--white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.9rem;
}

.card-theme {
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-page {
  opacity: 0.9;
  font-size: 0.85rem;
}

.card-body {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
  line-height: 1.3;
}

.card-summary {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
  flex: 1;
}

.card-footer {
  padding: var(--spacing-md);
  padding-top: 0;
}

.btn-read-more {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: linear-gradient(135deg, var(--primary-sage) 0%, var(--primary-sage-dark) 100%);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-read-more:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-read-more:active {
  transform: translateY(0);
}

/* ===== Modal Styles ===== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  overflow-y: auto;
  padding: var(--spacing-md);
  backdrop-filter: blur(4px);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: slideUp var(--transition-normal);
  margin: var(--spacing-md) 0;
}

@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-header {
  padding: var(--spacing-lg);
  color: var(--white);
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.modal-header-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.modal-theme {
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  font-size: 0.9rem;
}

.modal-page {
  opacity: 0.9;
  font-size: 0.85rem;
}

.modal-close {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-title {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
  line-height: 1.3;
}

.modal-text {
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.modal-text p {
  margin-bottom: var(--spacing-md);
}

/* ===== Related Cards ===== */
.related-cards {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 2px solid var(--medium-gray);
}

.related-cards h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

.related-cards-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.related-card-btn {
  padding: var(--spacing-md);
  background: var(--light-gray);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.related-card-btn:hover {
  background: var(--medium-gray);
  border-color: var(--primary-sage);
  transform: translateX(4px);
}

.related-theme {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary-sage);
  font-weight: 700;
}

.related-title {
  font-size: 0.95rem;
  color: var(--text-dark);
  font-weight: 600;
}

/* ===== Footer ===== */
.footer {
  background: var(--text-dark);
  color: var(--white);
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
  margin-top: var(--spacing-xxl);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-sm);
}

.footer-note {
  font-size: 0.9rem;
  opacity: 0.7;
  margin-top: var(--spacing-md);
}

/* ===== Utility Classes ===== */
.no-cards {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-light);
  font-size: 1.1rem;
  grid-column: 1 / -1;
}


/* ===== Theme-Specific Colors ===== */
/* Muted, minimalistic color palette for 9 themes */
/* Based on 2025 design trends: earthy tones, soft pastels, accessible colors */

/* Theme color variables */
:root {
  /* Confidence - Soft Lavender/Purple tones */
  --theme-confidence-light: #BFA3CC;
  --theme-confidence-dark: #9d7fb3;
  
  /* Communication - Dusty Rose/Pink tones */
  --theme-communication-light: #d4a5a5;
  --theme-communication-dark: #c08a8a;
  
  /* Productivity - Muted Teal/Green tones */
  --theme-productivity-light: #7db6a3;
  --theme-productivity-dark: #6ba998;
  
  /* Workplace - Soft Sage Green tones */
  --theme-workplace-light: #9CAF88;
  --theme-workplace-dark: #7d9370;
  
  /* Creativity - Warm Peach/Coral tones */
  --theme-creativity-light: #f7e1d3;
  --theme-creativity-dark: #e5c9b5;
  
  /* Change - Soft Blue/Periwinkle tones */
  --theme-change-light: #9ab7d3;
  --theme-change-dark: #7a9aba;
  
  /* Mindset - Gentle Blush/Pink tones */
  --theme-mindset-light: #f5d2d3;
  --theme-mindset-dark: #e5b8b9;
  
  /* Perfectionism - Soft Lilac tones */
  --theme-perfectionism-light: #D9BAEE;
  --theme-perfectionism-dark: #c49dd9;
  
  /* General - Warm Sand/Beige tones */
  --theme-general-light: #e8d5c4;
  --theme-general-dark: #d4bca8;
}

/* Card header colors based on theme */
.card[data-theme="confidence"] .card-header {
  background: linear-gradient(135deg, var(--theme-confidence-light) 0%, var(--theme-confidence-dark) 100%) !important;
}

.card[data-theme="communication"] .card-header {
  background: linear-gradient(135deg, var(--theme-communication-light) 0%, var(--theme-communication-dark) 100%) !important;
}

.card[data-theme="productivity"] .card-header {
  background: linear-gradient(135deg, var(--theme-productivity-light) 0%, var(--theme-productivity-dark) 100%) !important;
}

.card[data-theme="workplace"] .card-header {
  background: linear-gradient(135deg, var(--theme-workplace-light) 0%, var(--theme-workplace-dark) 100%) !important;
}

.card[data-theme="creativity"] .card-header {
  background: linear-gradient(135deg, var(--theme-creativity-light) 0%, var(--theme-creativity-dark) 100%) !important;
}

.card[data-theme="change"] .card-header {
  background: linear-gradient(135deg, var(--theme-change-light) 0%, var(--theme-change-dark) 100%) !important;
}

.card[data-theme="mindset"] .card-header {
  background: linear-gradient(135deg, var(--theme-mindset-light) 0%, var(--theme-mindset-dark) 100%) !important;
}

.card[data-theme="perfectionism"] .card-header {
  background: linear-gradient(135deg, var(--theme-perfectionism-light) 0%, var(--theme-perfectionism-dark) 100%) !important;
}

.card[data-theme="general"] .card-header {
  background: linear-gradient(135deg, var(--theme-general-light) 0%, var(--theme-general-dark) 100%) !important;
}

/* Modal header colors - override inline styles */
.modal-header[style*="confidence"] {
  background: linear-gradient(135deg, var(--theme-confidence-light) 0%, var(--theme-confidence-dark) 100%) !important;
}

.modal-header[style*="communication"] {
  background: linear-gradient(135deg, var(--theme-communication-light) 0%, var(--theme-communication-dark) 100%) !important;
}

.modal-header[style*="productivity"] {
  background: linear-gradient(135deg, var(--theme-productivity-light) 0%, var(--theme-productivity-dark) 100%) !important;
}

.modal-header[style*="workplace"] {
  background: linear-gradient(135deg, var(--theme-workplace-light) 0%, var(--theme-workplace-dark) 100%) !important;
}

.modal-header[style*="creativity"] {
  background: linear-gradient(135deg, var(--theme-creativity-light) 0%, var(--theme-creativity-dark) 100%) !important;
}

.modal-header[style*="change"] {
  background: linear-gradient(135deg, var(--theme-change-light) 0%, var(--theme-change-dark) 100%) !important;
}

.modal-header[style*="mindset"] {
  background: linear-gradient(135deg, var(--theme-mindset-light) 0%, var(--theme-mindset-dark) 100%) !important;
}

.modal-header[style*="perfectionism"] {
  background: linear-gradient(135deg, var(--theme-perfectionism-light) 0%, var(--theme-perfectionism-dark) 100%) !important;
}

.modal-header[style*="general"] {
  background: linear-gradient(135deg, var(--theme-general-light) 0%, var(--theme-general-dark) 100%) !important;
}

/* Use dark text for all theme headers (better contrast with muted colors) */
.card .card-header {
  color: var(--text-dark) !important;
}

.card .card-header .card-theme,
.card .card-header .card-page {
  color: var(--text-dark);
}

/* Modal header text colors - dark text for all themes */
.modal-header {
  color: var(--text-dark) !important;
}

.modal-header .modal-theme,
.modal-header .modal-page,
.modal-header .modal-close {
  color: var(--text-dark) !important;
}

/* Modal close button with dark text */
.modal-close {
  background: rgba(45, 55, 72, 0.1) !important;
}

.modal-close:hover {
  background: rgba(45, 55, 72, 0.2) !important;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  .header h1 {
    font-size: 2rem;
  }
  
  .header-subtitle {
    font-size: 1rem;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .search-box {
    flex-direction: column;
  }
  
  .search-btn {
    width: 100%;
  }
  
  .theme-filters {
    gap: var(--spacing-xs);
  }
  
  .filter-btn {
    font-size: 0.85rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .modal-content {
    margin: 0;
    border-radius: 0;
    max-height: 100vh;
  }
  
  .modal-title {
    font-size: 1.5rem;
  }
  
  .modal-text {
    font-size: 1rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

@media (min-width: 1025px) {
  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
}

/* ===== Accessibility ===== */
.filter-btn:focus,
.search-btn:focus,
.btn-read-more:focus,
.modal-close:focus,
.related-card-btn:focus {
  outline: 3px solid var(--primary-sage);
  outline-offset: 2px;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-sage);
  box-shadow: 0 0 0 3px rgba(156, 175, 136, 0.2);
}

/* ===== Print Styles ===== */
@media print {
  .header,
  .search-section,
  .filter-section,
  .footer,
  .btn-read-more {
    display: none;
  }
  
  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--medium-gray);
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Smooth Scrolling ===== */
html {
  scroll-behavior: smooth;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-sage);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-sage-dark);
}