/* Material Design 3 Color Tokens */
:root {
  /* Light Mode Colors */
  --md-sys-color-primary: #6750A4;
  --md-sys-color-on-primary: #FFFFFF;
  --md-sys-color-primary-container: #EADDFF;
  --md-sys-color-on-primary-container: #21005D;
  --md-sys-color-secondary: #625B71;
  --md-sys-color-on-secondary: #FFFFFF;
  --md-sys-color-secondary-container: #E8DEF8;
  --md-sys-color-on-secondary-container: #1D192B;
  --md-sys-color-surface: #FEF7FF;
  --md-sys-color-on-surface: #1D1B20;
  --md-sys-color-surface-variant: #E7E0EC;
  --md-sys-color-on-surface-variant: #49454F;
  --md-sys-color-surface-container: #F3EDF7;
  --md-sys-color-surface-container-high: #ECE6F0;
  --md-sys-color-surface-container-highest: #E6E0E9;
  --md-sys-color-outline: #79747E;
  --md-sys-color-outline-variant: #CAC4D0;
  --md-sys-color-error: #BA1A1A;
  --md-sys-color-on-error: #FFFFFF;
  --md-sys-color-error-container: #FFDAD6;
  --md-sys-color-on-error-container: #410002;
  --md-sys-color-success: #006A6B;
  --md-sys-color-on-success: #FFFFFF;
  --md-sys-color-success-container: #6FF6F7;
  --md-sys-color-on-success-container: #002020;
  --md-sys-color-warning: #7D5260;
  --md-sys-color-on-warning: #FFFFFF;
  --md-sys-color-warning-container: #FFD8E4;
  --md-sys-color-on-warning-container: #31111D;
  
  /* Shape & Elevation */
  --md-sys-shape-corner-small: 8px;
  --md-sys-shape-corner-medium: 12px;
  --md-sys-shape-corner-large: 16px;
  --md-sys-elevation-level1: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 1px 3px 1px rgba(0, 0, 0, 0.15);
  --md-sys-elevation-level2: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 2px 6px 2px rgba(0, 0, 0, 0.15);
  --md-sys-elevation-level3: 0px 1px 3px 0px rgba(0, 0, 0, 0.3), 0px 4px 8px 3px rgba(0, 0, 0, 0.15);
  --md-sys-elevation-level4: 0px 2px 3px 0px rgba(0, 0, 0, 0.3), 0px 6px 10px 4px rgba(0, 0, 0, 0.15);
}

/* Dark Mode Colors */
@media (prefers-color-scheme: dark) {
  body:not(.light-theme) {
    --md-sys-color-primary: #D0BCFF;
    --md-sys-color-on-primary: #381E72;
    --md-sys-color-primary-container: #4F378B;
    --md-sys-color-on-primary-container: #EADDFF;
    --md-sys-color-secondary: #CCC2DC;
    --md-sys-color-on-secondary: #332D41;
    --md-sys-color-secondary-container: #4A4458;
    --md-sys-color-on-secondary-container: #E8DEF8;
    --md-sys-color-surface: #141218;
    --md-sys-color-on-surface: #E6E0E9;
    --md-sys-color-surface-variant: #49454F;
    --md-sys-color-on-surface-variant: #CAC4D0;
    --md-sys-color-surface-container: #211F26;
    --md-sys-color-surface-container-high: #2B2930;
    --md-sys-color-surface-container-highest: #36343B;
    --md-sys-color-outline: #938F99;
    --md-sys-color-outline-variant: #49454F;
    --md-sys-color-error: #FFB4AB;
    --md-sys-color-on-error: #690005;
    --md-sys-color-error-container: #93000A;
    --md-sys-color-on-error-container: #FFDAD6;
    --md-sys-color-success: #4DD8DA;
    --md-sys-color-on-success: #003738;
    --md-sys-color-success-container: #004F50;
    --md-sys-color-on-success-container: #6FF6F7;
    --md-sys-color-warning: #E7B9C6;
    --md-sys-color-on-warning: #492532;
    --md-sys-color-warning-container: #633B48;
    --md-sys-color-on-warning-container: #FFD8E4;
  }
}

body.dark-theme {
  --md-sys-color-primary: #D0BCFF;
  --md-sys-color-on-primary: #381E72;
  --md-sys-color-primary-container: #4F378B;
  --md-sys-color-on-primary-container: #EADDFF;
  --md-sys-color-secondary: #CCC2DC;
  --md-sys-color-on-secondary: #332D41;
  --md-sys-color-secondary-container: #4A4458;
  --md-sys-color-on-secondary-container: #E8DEF8;
  --md-sys-color-surface: #141218;
  --md-sys-color-on-surface: #E6E0E9;
  --md-sys-color-surface-variant: #49454F;
  --md-sys-color-on-surface-variant: #CAC4D0;
  --md-sys-color-surface-container: #211F26;
  --md-sys-color-surface-container-high: #2B2930;
  --md-sys-color-surface-container-highest: #36343B;
  --md-sys-color-outline: #938F99;
  --md-sys-color-outline-variant: #49454F;
  --md-sys-color-error: #FFB4AB;
  --md-sys-color-on-error: #690005;
  --md-sys-color-error-container: #93000A;
  --md-sys-color-on-error-container: #FFDAD6;
  --md-sys-color-success: #4DD8DA;
  --md-sys-color-on-success: #003738;
  --md-sys-color-success-container: #004F50;
  --md-sys-color-on-success-container: #6FF6F7;
  --md-sys-color-warning: #E7B9C6;
  --md-sys-color-on-warning: #492532;
  --md-sys-color-warning-container: #633B48;
  --md-sys-color-on-warning-container: #FFD8E4;
}

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

body {
  font-family: 'Roboto', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* Header */
.app-header {
  background-color: var(--md-sys-color-surface-container);
  border-radius: var(--md-sys-shape-corner-large);
  padding: 32px;
  margin-bottom: 32px;
  box-shadow: var(--md-sys-elevation-level1);
  text-align: center;
}

.header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.header-content {
  flex: 1;
}

.app-title {
  font-size: 32px;
  font-weight: 400;
  color: var(--md-sys-color-primary);
  margin-bottom: 16px;
}

.app-subtitle {
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 24px;
}

/* Notification Banners - Shared Styles */
.notification-banner,
.important-notice {
  padding: 16px 24px;
  border-radius: var(--md-sys-shape-corner-medium);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  text-align: left;
}

.notification-banner {
  background-color: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}

.important-notice {
  background-color: var(--md-sys-color-error-container);
  color: var(--md-sys-color-on-error-container);
  font-weight: 500;
  box-shadow: var(--md-sys-elevation-level1);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background-color: var(--md-sys-color-surface-container-highest);
  color: var(--md-sys-color-on-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-medium);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.theme-toggle-btn:hover {
  background-color: var(--md-sys-color-surface-container-high);
  box-shadow: var(--md-sys-elevation-level1);
}

.theme-toggle-btn .material-icons {
  font-size: 20px;
}

/* Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.info-card {
  background-color: var(--md-sys-color-surface-container);
  border-radius: var(--md-sys-shape-corner-large);
  padding: 24px;
  box-shadow: var(--md-sys-elevation-level1);
  transition: all 0.3s ease;
}

.info-card:hover {
  box-shadow: var(--md-sys-elevation-level2);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.card-icon {
  font-size: 24px;
  color: var(--md-sys-color-primary);
}

.card-title {
  font-size: 22px;
  font-weight: 400;
  color: var(--md-sys-color-on-surface);
}

.card-content {
  color: var(--md-sys-color-on-surface-variant);
}

.card-content ul {
  list-style: none;
  padding-left: 0;
}

.card-content li {
  padding: 8px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.card-content li::before {
  content: '•';
  color: var(--md-sys-color-primary);
  font-weight: bold;
  margin-top: 2px;
}

/* Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  background-color: var(--md-sys-color-surface);
  border-radius: var(--md-sys-shape-corner-medium);
  overflow: hidden;
  box-shadow: var(--md-sys-elevation-level1);
}

.comparison-table th,
.comparison-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.comparison-table th {
  background-color: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface);
  font-weight: 500;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

/* Chips */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--md-sys-shape-corner-small);
  font-size: 14px;
  font-weight: 500;
  margin: 4px;
}

.chip-success {
  background-color: var(--md-sys-color-success-container);
  color: var(--md-sys-color-on-success-container);
}

.chip-warning {
  background-color: var(--md-sys-color-warning-container);
  color: var(--md-sys-color-on-warning-container);
}

.chip-error {
  background-color: var(--md-sys-color-error-container);
  color: var(--md-sys-color-on-error-container);
}

.chip-info {
  background-color: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}

/* Enhanced Info Chip Styles */
.enhanced-info-chip {
  padding: 16px 20px;
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-success-container);
  color: var(--md-sys-color-on-success-container);
  box-shadow: var(--md-sys-elevation-level1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 100%;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.enhanced-info-chip:hover {
  box-shadow: var(--md-sys-elevation-level2);
  transform: translateY(-1px);
}

.enhanced-info-chip .chip-icon {
  font-size: 20px;
  color: var(--md-sys-color-success);
  margin-bottom: 4px;
}

.chip-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}

.chip-title {
  font-weight: 500;
  font-size: 14px;
  color: var(--md-sys-color-on-success-container);
  line-height: 1.4;
}

.chip-description {
  font-size: 13px;
  color: var(--md-sys-color-on-success-container);
  line-height: 1.5;
  opacity: 0.8;
}

.chip-link {
  color: var(--md-sys-color-success);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}

.chip-link:hover {
  border-bottom-color: var(--md-sys-color-success);
  text-decoration: none;
}

.chip-link:focus {
  outline: 2px solid var(--md-sys-color-success);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Floating Action Button */
.fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: var(--md-sys-shape-corner-large);
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  border: none;
  box-shadow: var(--md-sys-elevation-level3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.fab:hover {
  box-shadow: var(--md-sys-elevation-level4);
  transform: scale(1.05);
}

.fab .material-icons {
  font-size: 20px;
}

/* Custom Arrow Styles */
.fab .custom-arrow {
  width: 24px;
  height: 24px;
  transition: all 0.08s ease-out;
  transform-origin: center;
}

.fab .custom-arrow .arrow-path {
  transition: d 0.08s ease-out;
  filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.1));
}

/* Enhanced FAB animations */
.fab {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.fab:hover .custom-arrow {
  transform: scale(1.1);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.fab:active {
  transform: scale(0.95);
}

.fab:active .custom-arrow {
  transform: scale(1.05);
}

/* Mobile Theme Toggle */
.mobile-theme-toggle {
  position: fixed;
  bottom: 80px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: var(--md-sys-shape-corner-large);
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  border: none;
  box-shadow: var(--md-sys-elevation-level3);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.mobile-theme-toggle:hover {
  box-shadow: var(--md-sys-elevation-level4);
  transform: scale(1.05);
}

.mobile-theme-toggle .material-icons {
  font-size: 20px;
}

/* Footer */
.app-footer {
  background-color: var(--md-sys-color-surface-container);
  border-radius: var(--md-sys-shape-corner-large);
  padding: 24px;
  text-align: center;
  margin-top: 32px;
  box-shadow: var(--md-sys-elevation-level1);
}

.footer-text {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .app-container {
    padding: 16px;
  }
  
  .content-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .app-header {
    padding: 24px 16px;
  }
  
  .header-top {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }
  
  .theme-toggle-btn {
    display: none;
  }
  
  .mobile-theme-toggle {
    display: flex;
  }
  
  .fab {
    bottom: 140px;
  }
  
  .app-title {
    font-size: 28px;
  }
  
  .info-card {
    padding: 16px;
  }
  
  .comparison-table th,
  .comparison-table td {
    padding: 12px 8px;
  }
  
  /* Enhanced Info Chip Mobile Styles */
  .enhanced-info-chip {
    padding: 12px 16px;
    margin: 4px 0;
  }
  
  .enhanced-info-chip .chip-icon {
    font-size: 18px;
  }
  
  .chip-title {
    font-size: 13px;
  }
  
  .chip-description {
    font-size: 12px;
  }
}

/* Theme Toggle Animation */
.theme-toggle-btn {
  position: relative;
  overflow: hidden;
}

.theme-toggle-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background-color: var(--md-sys-color-primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
  opacity: 0.1;
  z-index: 0;
}

.theme-toggle-btn.theme-switching::before {
  width: 100px;
  height: 100px;
}

.theme-toggle-btn .material-icons {
  position: relative;
  z-index: 1;
  transition: transform 0.3s ease;
}

.theme-toggle-btn.theme-switching .material-icons {
  transform: rotate(180deg) scale(1.2);
}

.mobile-theme-toggle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background-color: var(--md-sys-color-primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
  opacity: 0.1;
  z-index: 0;
}

.mobile-theme-toggle.theme-switching::before {
  width: 100px;
  height: 100px;
}

.mobile-theme-toggle .material-icons {
  position: relative;
  z-index: 1;
  transition: transform 0.3s ease;
}

.mobile-theme-toggle.theme-switching .material-icons {
  transform: rotate(180deg) scale(1.2);
}

/* Card Animations */
.info-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.3s ease;
}

.info-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile Animations */
@media (max-width: 768px) {
  .app-container.mobile-animate {
    animation: mobileSlideIn 0.5s ease;
  }
  
  .app-header.mobile-animate {
    animation: mobileHeaderSlideDown 0.6s ease;
  }
  
  .info-card.mobile-animate {
    animation: mobileCardSlideIn 0.6s ease backwards;
  }
  
  .info-card.mobile-animate:nth-child(1) { animation-delay: 0.1s; }
  .info-card.mobile-animate:nth-child(2) { animation-delay: 0.2s; }
  .info-card.mobile-animate:nth-child(3) { animation-delay: 0.3s; }
  .info-card.mobile-animate:nth-child(4) { animation-delay: 0.4s; }
  .info-card.mobile-animate:nth-child(5) { animation-delay: 0.5s; }
  .info-card.mobile-animate:nth-child(6) { animation-delay: 0.6s; }
  
  .fab.mobile-animate {
    animation: mobileFabSlideUp 0.8s ease;
  }
  
  .mobile-theme-toggle {
    animation: mobileFabSlideUp 0.9s ease;
  }
}

/* Animation Keyframes */
@keyframes mobileSlideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes mobileCardSlideIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

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

@keyframes mobileFabSlideUp {
  from {
    opacity: 0;
    transform: translateY(60px) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes themeRipple {
  0% {
    transform: translate(-50%, -50%) scale(0);
    opacity: 0.3;
  }
  100% {
    transform: translate(-50%, -50%) scale(4);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}