/* LexiCruxx - Glassmorphism Design with Sage Green Palette */

/* Color Palette Variables */
:root {
  /* New Color Scheme - Sage Green Theme */
  --color-sage-light: #cad2c5;     /* Light sage - backgrounds, light accents */
  --color-sage-medium: #84a98c;    /* Medium sage - buttons, highlights */
  --color-sage-dark: #52796f;      /* Dark sage - primary elements */
  --color-slate-darker: #354f52;   /* Darker slate - text, borders */
  --color-slate-darkest: #2f3e46;  /* Darkest slate - headings, strong text */
  
  /* Additional colors for UI */
  --color-white: rgba(255, 255, 255, 0.95);
  --color-black: rgba(0, 0, 0, 0.85);
  --color-error: #dc3545;
  --color-success: #52796f;
  
  /* Glassmorphism Variables */
  --glass-bg: rgba(202, 210, 197, 0.25);
  --glass-border: rgba(132, 169, 140, 0.3);
  --glass-shadow: 0 8px 32px 0 rgba(47, 62, 70, 0.15);
  --glass-blur: blur(12px);
  
  /* Typography */
  --font-body: 'Crimson Pro', 'Merriweather', 'Georgia', serif;
  --font-heading: 'Orbitron', 'Lobster Two', sans-serif;
  --font-accent: 'Lobster Two', cursive;
  
  /* Spacing & Sizing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: linear-gradient(135deg, #cad2c5 0%, #84a98c 50%, #52796f 100%);
  background-attachment: fixed;
  color: var(--color-slate-darkest);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Subtle texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}

/* Header Styles with Glassmorphism */
.header {
  background: rgba(202, 210, 197, 0.3);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 2px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.logo-icon {
  font-size: 2.5rem;
  filter: drop-shadow(2px 2px 4px rgba(47, 62, 70, 0.2));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.logo-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-slate-darkest);
  text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.3);
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1;
}

.logo-subtitle {
  font-family: var(--font-accent);
  font-size: 0.9rem;
  color: var(--color-slate-darker);
  margin: 0;
  font-style: italic;
  opacity: 0.85;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Button Styles with Glassmorphism */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  text-decoration: none;
  position: relative;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(47, 62, 70, 0.25);
}

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

.btn--primary {
  background: rgba(82, 121, 111, 0.8);
  color: white;
  border: 1px solid rgba(132, 169, 140, 0.4);
}

.btn--primary:hover {
  background: rgba(82, 121, 111, 0.95);
}

.btn--secondary {
  background: rgba(202, 210, 197, 0.5);
  color: var(--color-slate-darkest);
  border: 1px solid var(--glass-border);
}

.btn--secondary:hover {
  background: rgba(202, 210, 197, 0.7);
}

.btn--outline {
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid var(--color-sage-dark);
  color: var(--color-slate-darkest);
}

.btn--outline:hover {
  background: rgba(132, 169, 140, 0.3);
  border-color: var(--color-sage-medium);
}

.btn--sm {
  padding: 6px 14px;
  font-size: 13px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Main Content */
.main-content {
  flex: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
  width: 100%;
}

/* Search Section with Glassmorphism */
.search-section {
  margin-bottom: var(--spacing-xl);
}

.search-container {
  position: relative;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  border: 2px solid var(--glass-border);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.search-input-wrapper:focus-within,
.search-input-wrapper.focused {
  box-shadow: 0 8px 32px rgba(82, 121, 111, 0.3);
  border-color: var(--color-sage-dark);
  transform: translateY(-2px);
}

.search-icon {
  padding: 0 var(--spacing-md);
  font-size: 1.3rem;
  color: var(--color-sage-dark);
  pointer-events: none;
}

.search-input {
  flex: 1;
  padding: var(--spacing-md) 0;
  font-size: 18px;
  font-family: var(--font-body);
  background: transparent;
  color: var(--color-slate-darkest);
  border: none;
  outline: none;
  font-weight: 500;
}

.search-input::placeholder {
  color: var(--color-slate-darker);
  font-style: italic;
  opacity: 0.7;
}

.search-btn {
  background: var(--color-sage-dark);
  color: white;
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  transition: all var(--transition-normal);
  border-radius: 0;
}

.search-btn:hover {
  background: var(--color-sage-medium);
}

.search-hint {
  text-align: center;
  margin-top: var(--spacing-md);
  color: var(--color-slate-darker);
  font-size: 14px;
  font-style: italic;
}

kbd {
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  padding: 2px 8px;
  font-family: monospace;
  font-size: 12px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  font-weight: 600;
}

/* Glass Card Styles */
.glass-card {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
  border: 2px solid var(--glass-border);
  margin-bottom: var(--spacing-xl);
  position: relative;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-sage-dark), var(--color-sage-medium));
  opacity: 0.8;
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(47, 62, 70, 0.2);
  border-color: var(--color-sage-medium);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 2px solid rgba(132, 169, 140, 0.2);
  background: rgba(202, 210, 197, 0.15);
}

.card-title {
  font-family: var(--font-accent);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-sage-dark);
  margin: 0;
  text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.5);
}

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

/* Word of the Day */
.word-of-day-card {
  background: rgba(132, 169, 140, 0.2);
}

.word-of-day-card::before {
  background: linear-gradient(90deg, var(--color-sage-medium), var(--color-sage-dark));
}

.word-of-day-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.word-of-day-word {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-slate-darkest);
  margin: 0;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.word-of-day-word:hover {
  color: var(--color-sage-dark);
  transform: scale(1.02);
}

.word-of-day-phonetic {
  font-family: monospace;
  color: var(--color-slate-darker);
  font-size: 1.1rem;
  font-style: italic;
  font-weight: 500;
}

.word-of-day-meaning {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

/* Results Section */
.results-section {
  display: none;
  animation: slideInUp var(--transition-slow) ease-out;
}

.results-section.visible {
  display: block;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-lg);
}

.word-info {
  flex: 1;
}

.result-word {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-slate-darkest);
  margin: 0 0 var(--spacing-sm) 0;
  line-height: 1.2;
}

.phonetic {
  font-family: monospace;
  color: var(--color-slate-darker);
  font-size: 1.2rem;
  font-style: italic;
  font-weight: 500;
}

.word-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

/* Definition Styles */
.definition-group {
  margin-bottom: var(--spacing-xl);
}

.part-of-speech {
  font-family: var(--font-accent);
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
  background: var(--color-sage-dark);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg);
  display: inline-block;
  box-shadow: 0 4px 12px rgba(82, 121, 111, 0.3);
}

.definition-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.definition-item {
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-sage-medium);
  transition: all var(--transition-normal);
}

.definition-item:hover {
  background: rgba(255, 255, 255, 0.4);
  transform: translateX(4px);
}

.definition-text {
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--color-slate-darkest);
}

.example {
  font-style: italic;
  color: var(--color-slate-darker);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(132, 169, 140, 0.2);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-sage-dark);
  margin-top: var(--spacing-sm);
}

/* Word Relations */
.word-relations {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 2px solid rgba(132, 169, 140, 0.3);
}

.word-relation-group {
  background: rgba(255, 255, 255, 0.2);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
}

.word-relation-group h4 {
  font-family: var(--font-accent);
  color: var(--color-sage-dark);
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
}

.word-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.word-tag {
  background: rgba(132, 169, 140, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  color: var(--color-slate-darkest);
  padding: 6px 14px;
  border-radius: var(--radius-lg);
  font-size: 14px;
  border: 1px solid var(--color-sage-medium);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-weight: 600;
}

.word-tag:hover {
  background: var(--color-sage-dark);
  color: white;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(82, 121, 111, 0.3);
}

/* Loading State */
.loading {
  display: none;
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.loading.visible {
  display: block;
  animation: fadeIn var(--transition-normal) ease-in;
}

.loading-spinner {
  margin-bottom: var(--spacing-lg);
}

.quill-animation {
  font-size: 4rem;
  animation: quillWrite 2s ease-in-out infinite;
  display: inline-block;
  filter: drop-shadow(2px 2px 4px rgba(82, 121, 111, 0.3));
}

@keyframes quillWrite {
  0%, 100% { 
    transform: rotate(-5deg) translateY(0); 
  }
  25% { 
    transform: rotate(5deg) translateY(-10px); 
  }
  50% { 
    transform: rotate(-5deg) translateY(-5px); 
  }
  75% { 
    transform: rotate(5deg) translateY(-15px); 
  }
}

.loading-text {
  font-family: var(--font-accent);
  font-size: 1.3rem;
  color: var(--color-slate-darker);
  font-style: italic;
  font-weight: 600;
}

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

/* Error State */
.error-state {
  display: none;
}

.error-state.visible {
  display: block;
  animation: slideInUp var(--transition-slow) ease-out;
}

.error-card {
  background: rgba(220, 53, 69, 0.15);
}

.error-card::before {
  background: var(--color-error);
}

.error-content {
  text-align: center;
  padding: var(--spacing-lg);
}

.error-content h3 {
  color: var(--color-slate-darkest);
  margin: var(--spacing-md) 0;
  font-size: 1.5rem;
}

.error-content p {
  color: var(--color-slate-darker);
  margin-bottom: var(--spacing-lg);
}

.error-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  animation: shake 0.5s ease-in-out;
  display: inline-block;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

/* Side Panels with Glassmorphism */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(47, 62, 70, 0.6);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.overlay.visible {
  opacity: 1;
  visibility: visible;
}

.side-panel {
  position: fixed;
  top: 0;
  right: -450px;
  width: 450px;
  height: 100vh;
  background: rgba(202, 210, 197, 0.95);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: -8px 0 32px rgba(47, 62, 70, 0.3);
  border-left: 4px solid var(--color-sage-medium);
  z-index: 300;
  transition: right var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.side-panel.visible {
  right: 0;
}

.side-panel-header {
  padding: var(--spacing-lg);
  border-bottom: 3px solid var(--color-sage-medium);
  background: rgba(132, 169, 140, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.side-panel-header h3 {
  margin: 0;
  color: var(--color-slate-darkest);
  font-family: var(--font-accent);
  font-size: 1.4rem;
}

.side-panel-actions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.close-btn {
  background: rgba(255, 255, 255, 0.3);
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--color-slate-darkest);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  line-height: 1;
  font-weight: 700;
}

.close-btn:hover {
  background: rgba(220, 53, 69, 0.3);
  transform: scale(1.1);
}

.side-panel-content {
  flex: 1;
  padding: var(--spacing-lg);
  overflow-y: auto;
}

/* Scrollbar styling for side panels */
.side-panel-content::-webkit-scrollbar {
  width: 8px;
}

.side-panel-content::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

.side-panel-content::-webkit-scrollbar-thumb {
  background: var(--color-sage-medium);
  border-radius: 4px;
}

.side-panel-content::-webkit-scrollbar-thumb:hover {
  background: var(--color-sage-dark);
}

/* History and Favorites Items */
.history-item,
.favorite-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.history-item:hover,
.favorite-item:hover {
  background: rgba(82, 121, 111, 0.3);
  transform: translateX(8px);
  box-shadow: 0 4px 16px rgba(47, 62, 70, 0.2);
}

.item-word {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-slate-darkest);
  margin-bottom: 4px;
}

.item-time {
  font-size: 12px;
  color: var(--color-slate-darker);
  font-style: italic;
}

.item-definition {
  font-size: 13px;
  color: var(--color-slate-darker);
  margin-top: 6px;
  line-height: 1.4;
}

.item-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.item-action-btn {
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  font-size: 16px;
}

.item-action-btn:hover {
  background: rgba(220, 53, 69, 0.3);
  transform: scale(1.15);
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  color: var(--color-slate-darker);
  font-style: italic;
  font-family: var(--font-accent);
  font-size: 1.1rem;
}

.empty-state p {
  margin: 0;
}

/* Favorite Button States */
.favorite-btn.favorited {
  background: rgba(220, 53, 69, 0.2);
  border-color: var(--color-error);
}

/* Footer with Glassmorphism */
.footer {
  background: rgba(202, 210, 197, 0.4);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 3px solid var(--glass-border);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  margin-top: auto;
}

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

.footer-content p {
  margin: var(--spacing-sm) 0;
  color: var(--color-slate-darker);
  font-weight: 500;
}

.footer-content a {
  color: var(--color-sage-dark);
  text-decoration: none;
  font-weight: 700;
  transition: color var(--transition-fast);
}

.footer-content a:hover {
  color: var(--color-slate-darkest);
  text-decoration: underline;
}

.footer-note {
  font-style: italic;
  font-size: 14px;
  font-family: var(--font-accent);
  color: var(--color-slate-darker);
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }

  .logo {
    text-align: center;
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .logo-text {
    font-size: 2rem;
  }

  .main-content {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .side-panel {
    width: 100vw;
    right: -100vw;
  }

  .results-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }

  .word-actions {
    justify-content: center;
  }

  .word-relations {
    grid-template-columns: 1fr;
  }

  .result-word {
    font-size: 2rem;
    text-align: center;
  }

  .search-input-wrapper {
    flex-direction: column;
  }

  .search-btn {
    width: 100%;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
  }

  .search-icon {
    display: none;
  }
}

@media (max-width: 480px) {
  .header-controls {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
  }

  .logo-text {
    font-size: 1.8rem;
  }

  .card-header,
  .card-body {
    padding: var(--spacing-md);
  }

  .result-word {
    font-size: 1.8rem;
  }

  .word-of-day-word {
    font-size: 1.6rem;
  }

  .side-panel {
    width: 100vw;
  }
}

/* Accessibility */
:focus-visible {
  outline: 3px solid var(--color-sage-dark);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Print styles */
@media print {
  .header-controls,
  .search-section,
  .word-actions,
  .side-panel,
  .overlay,
  .footer {
    display: none;
  }

  body {
    background: white;
  }

  .glass-card {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}