/* Custom Color Scheme - Blues, Greens, Yellows, and Red */

:root {
  /* Color Palette */
  --primary-blue: #2E86AB;
  --light-blue: #A23B72;
  --deep-blue: #0F4C75;
  --forest-green: #2D5016;
  --lime-green: #7CB342;
  --mint-green: #81C784;
  --golden-yellow: #FFD54F;
  --bright-yellow: #FFEB3B;
  --coral-red: #E53935;
  --deep-red: #B71C1C;
  --red-grey: #e9dede;
  --blue-grey: #cee7f2;
}

/* Body and Background */
body {
  background: linear-gradient(135deg, var(--light-blue) 0%, var(--primary-blue) 50%, var(--deep-blue) 100%);
  min-height: 100vh;
  color: #333;
}

/* Main content area */
.quarto-container {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 15px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  margin: 20px;
  padding: 30px;
}

/* Navigation Bar Styling */
.navbar {
  /* background: linear-gradient(90deg, var(--forest-green) 0%, var(--lime-green) 100%) !important; */
  background: linear-gradient(90deg, var(--lime-green) 0%, var(--golden-yellow) 100%) !important;
  border-bottom: 3px solid var(--golden-yellow);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.navbar-brand, .nav-link {
/*  color: white !important;*/
  color: var(--deep-blue) !important;
  font-weight: 600;
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: var(--bright-yellow) !important;
  transform: translateY(-2px);
}

/* Headings */
h1 {
  color: var(--deep-blue);
  background: linear-gradient(45deg, var(--primary-blue), var(--forest-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

h2 {
  color: var(--forest-green);
  border-left: 5px solid var(--lime-green);
  padding-left: 15px;
  background: linear-gradient(90deg, rgba(124, 179, 66, 0.1), transparent);
  padding: 10px 15px;
  border-radius: 5px;
}

h3 {
  color: var(--coral-red);
  position: relative;
}

h3::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--golden-yellow);
  border-radius: 2px;
}

/* Links */
a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
}

a:hover {
  color: var(--coral-red);
  text-decoration: none;
}

a::before {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background: var(--golden-yellow);
  transition: width 0.3s ease;
}

a:hover::before {
  width: 100%;
}

/* Code blocks */
pre {
  background: linear-gradient(135deg, var(--deep-blue), var(--primary-blue)) !important;
  color: white !important;
  border-radius: 10px !important;
  border: 2px solid var(--lime-green) !important;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}






code {
  /* background: var(--bright-yellow) !important; */
  background: var(--blue-grey) !important;
  color: var(--deep-red) !important;
  padding: 2px 6px !important;
  border-radius: 4px !important;
  font-weight: bold;
}

/* Blockquotes */
blockquote {
  border-left: 5px solid var(--coral-red);
  background: linear-gradient(90deg, rgba(255, 213, 79, 0.2), rgba(255, 235, 59, 0.1));
  padding: 20px;
  margin: 20px 0;
  border-radius: 5px;
  font-style: italic;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 20px 0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  overflow: hidden;
}

thead th {
  background: linear-gradient(90deg, var(--forest-green), var(--lime-green));
  color: white;
  padding: 15px;
  font-weight: bold;
}

tbody tr:nth-child(even) {
  background: rgba(255, 213, 79, 0.1);
}

tbody tr:nth-child(odd) {
  background: rgba(129, 199, 132, 0.1);
}

tbody td {
  padding: 12px 15px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

tbody tr:hover {
  background: rgba(46, 134, 171, 0.2);
  transform: scale(1.01);
  transition: all 0.3s ease;
}





/* Buttons and Interactive Elements */
.btn, button {
  /* background: linear-gradient(45deg, var(--coral-red), var(--deep-red)); */
  background: linear-gradient(45deg, var(--forest-green), var(--bright-yellow));
  color: white;
  border: none;
  padding: 12px 25px;
  border-radius: 25px;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn:hover, button:hover {
  /* background: linear-gradient(45deg, var(--deep-red), var(--coral-red)); */
  background: linear-gradient(45deg, var(--bright-yellow), var(--forest-green));
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  color: white;
}

/* Table of Contents */
.toc-title {
  color: var(--forest-green) !important;
  background: var(--bright-yellow);
  padding: 10px;
  border-radius: 8px;
  text-align: center;
  font-weight: bold;
}

#toc ul li a {
  color: var(--primary-blue);
  transition: all 0.2s ease;
}

#toc ul li a:hover {
  color: var(--coral-red);
  padding-left: 10px;
}

/* Search Box */
.aa-Form {
  background: rgba(255, 255, 255, 0.9) !important;
  border: 2px solid var(--lime-green) !important;
  border-radius: 25px !important;
}

/* Footer */
footer {
  background: linear-gradient(90deg, var(--deep-blue), var(--primary-blue));
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  border-top: 3px solid var(--golden-yellow);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--bright-yellow);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-blue), var(--forest-green));
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--coral-red), var(--deep-red));
}

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

.quarto-container {
  animation: fadeInUp 0.8s ease-out;
}

/* Python Interactive Terminal Enhancements */
.python-terminal {
  font-size: 14px;
  line-height: 1.4;
  max-height: 400px;
  position: relative;
}

.python-terminal::before {
  content: "🐍 Python Terminal";
  position: absolute;
  top: -25px;
  left: 10px;
  background: var(--forest-green);
  color: white;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 12px;
  font-weight: bold;
}

.python-input::placeholder {
  color: rgba(0, 255, 0, 0.5);
}

.example-card .run-button {
  width: 100%;
  margin-top: 10px;
  font-size: 12px;
  padding: 8px 15px;
}

/* Callout enhancements for challenges */
.callout-output .callout-icon::before,
.callout-tip .callout-icon::before,
.callout-warning .callout-icon::before,
.callout-important .callout-icon::before {
  font-size: 1.2em;
}

.callout-output {
  border-left-color: var(--golden-yellow) !important;
  background: linear-gradient(90deg, #b3428b1a, transparent) !important;
}

.callout-tip {
  border-left-color: var(--lime-green) !important;
  background: linear-gradient(90deg, rgba(124, 179, 66, 0.1), transparent) !important;
}

.callout-warning {
  border-left-color: var(--golden-yellow) !important;
  background: linear-gradient(90deg, rgba(255, 213, 79, 0.1), transparent) !important;
}

.callout-important {
  border-left-color: var(--coral-red) !important;
  background: linear-gradient(90deg, rgba(229, 57, 53, 0.1), transparent) !important;
}

/* Loading animation */
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.3; }
}

.loading {
  animation: blink 1.5s infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
  .quarto-container {
    margin: 10px;
    padding: 20px;
  }
  
  h1 {
    font-size: 1.8em;
  }
  
  .navbar-brand {
    font-size: 1.2em;
  }
  
  .python-examples {
    grid-template-columns: 1fr;
  }
  
  .python-input {
    font-size: 12px;
  }
  
  .python-terminal {
    font-size: 12px;
    min-height: 150px;
  }
}