/* Enhanced Modern Styles for Enigmata Website */

:root {
  --primary-color: #10b981;
  --primary-dark: #059669;
  --primary-light: #34d399;
  --secondary-color: #1e293b;
  --accent-color: #77eb8b;
  --success-color: #29e154;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --gradient-primary: linear-gradient(135deg, #29e154 0%, #34d399 100%);
  --gradient-secondary: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  --gradient-hero: linear-gradient(180deg, #f0fdf4 0%, #ffffff 40%, #f0fdf4 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Enhanced Typography */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #334155;
  background-color: #ffffff;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 600;
  color: var(--secondary-color);
  margin-top: 0;
  letter-spacing: -0.02em;
}

/* Enhanced Hero Section */
.hero {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding: 3rem 0 3rem;
  margin-top: 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(12, 185, 99, 0.05) 0%, transparent 70%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(-20px, -20px) rotate(0deg); }
  50% { transform: translate(20px, 20px) rotate(180deg); }
}

/* Enhanced Title Styles */
.publication-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem) !important;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  margin-bottom: 1rem;
  animation: fadeInUp 0.8s ease-out;
  position: relative;
  z-index: 1;
}

.dnerf {
  font-style: normal !important;
  font-weight: 800 !important;
  text-shadow: 2px 2px 4px rgba(12, 185, 99, 0.1);
}

/* Enhanced Author Block */
.publication-authors {
  animation: fadeInUp 0.8s ease-out 0.2s both;
  margin: 2rem 0;
}

.author-block {
  display: inline-block;
  margin: 0.25rem 0.5rem;
  padding: 0.5rem 1rem;
  background: #f1f5f9;
  border-radius: 20px;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.author-block:hover {
  background: #e2e8f0;
  transform: translateY(-2px);
}

/* Enhanced Buttons */
.publication-links {
  animation: fadeInUp 0.8s ease-out 0.4s both;
  margin: 2.5rem 0;
}

.button.is-dark {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.button.is-dark::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-100%);
  transition: transform 0.4s ease;
}

.button.is-dark:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.button.is-dark:hover::before {
  transform: translateX(0);
}

/* Enhanced Section Titles */
.title.is-3 {
  font-size: 2.25rem;
  position: relative;
  display: inline-block;
  margin-bottom: 3rem;
}

.title.is-3::after {
  content: '';
  position: absolute;
  bottom: -0.75rem;
  left: 0;
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.section:hover .title.is-3::after {
  width: 120px;
}

/* Enhanced Cards and Boxes */
.highlight-box,
.content > div[style*="background-color: #f8fafc"] {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-left: 5px solid var(--primary-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2rem 0;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.highlight-box:hover,
.content > div[style*="background-color: #f8fafc"]:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-lg);
}

/* Enhanced Puzzle Cards */
.rounded-lg.border {
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.rounded-lg.border:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.rounded-lg.border .bg-gray-100 {
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  padding: 1rem 1.5rem;
  font-weight: 600;
  color: var(--secondary-color);
}

/* Enhanced Images */
img {
  border-radius: 12px;
  transition: var(--transition-base);
}

figure img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

/* Enhanced Navigation Buttons */
button[id*="page-btn"] {
  background: white;
  border: 2px solid #e2e8f0;
  transition: var(--transition-fast);
}

button[id*="page-btn"]:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
  transform: scale(1.1);
}

button[id*="page-btn"]:hover svg {
  color: white !important;
}

/* Enhanced Code Blocks */
pre {
  background: #1e293b;
  color: #e2e8f0;
  border-radius: 12px;
  padding: 1.5rem;
  overflow-x: auto;
  box-shadow: var(--shadow-lg);
  margin: 2rem 0;
}

code {
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 0.9rem;
}

/* Animation Classes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

/* Scroll Animations */
.fade-in-section {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.fade-in-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Enhanced Lists */
.content ul li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
}

.content ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.2rem;
}

/* Enhanced Footer */
.footer {
  background: var(--gradient-secondary);
  color: white;
  padding: 3rem 0;
  margin-top: 4rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

/* Responsive Design */
@media (max-width: 768px) {
  .publication-title {
    font-size: 2rem !important;
  }
  
  .author-block {
    display: block;
    margin: 0.5rem 0;
  }
  
  .button.is-dark {
    display: block;
    width: 100%;
    margin: 0.5rem 0;
  }
  
  .link-block {
    display: block;
    margin: 0.5rem 0;
  }
}

/* Loading Animation */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(12, 185, 99, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Enhanced Numbered Lists */
div[style*="background-color: #10b981"] {
  background: var(--gradient-primary) !important;
  box-shadow: var(--shadow-md);
  font-weight: 600;
}

/* Hover Effects for Links */
a {
  color: var(--primary-color);
  text-decoration: none;
  position: relative;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
}

a:not(.button):not(.external-link)::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

a:not(.button):not(.external-link):hover::after {
  width: 100%;
}

/* Enhanced Table Styles */
table {
  margin: 2rem 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid #e2e8f0;
}

th {
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  color: var(--secondary-color);
  font-weight: 600;
  padding: 1rem 1.5rem;
  text-align: left;
  border-bottom: 2px solid #e2e8f0;
}

td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #f1f5f9;
}

tbody tr {
  transition: var(--transition-fast);
}

tbody tr:hover {
  background-color: #f8fafc;
}

/* Performance Optimizations */
* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  will-change: transform;
}

.button {
  will-change: transform, box-shadow;
}