/* Import theme system */
@import url('theme.css');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

:root {
  --primary-green: #2a7a2a;
  --secondary-green: #4caf50;
  --accent-green: #6bbf59;
  --light-green: #d4f1c5;
  --text-dark: #1e2f1e;
  --text-medium: #2f622f;
  --background: #f0f5f9;
  --white: #ffffff;
  --shadow-light: rgba(0, 0, 0, 0.05);
  --shadow-medium: rgba(0, 0, 0, 0.1);
  --shadow-dark: rgba(0, 0, 0, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 12px;
  --border-radius-large: 20px;
}

html {
  scroll-behavior: smooth;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.loading {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

*:focus-visible {
  outline: 2px solid var(--secondary-green);
  outline-offset: 2px;
}

body {
  background-color: var(--bg-secondary, #f0f4f7);
  color: var(--text-primary, #333);
  font-family: "Poppins", sans-serif;
  max-width: none;
  width: 100%;
  margin: 0;
}

/* Particle Background */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  opacity: 0.4;
}

/* Enhanced Header */
header {
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1001;
  background: linear-gradient(135deg, #4caf50, #66bb6a);
  padding: 1.5rem 2rem;
  box-shadow: 0 4px 20px rgba(76, 175, 80, 0.3);
  overflow: hidden;
  padding-bottom: 1rem;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 2;
}

header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" patternUnits="userSpaceOnUse" width="100" height="100"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

header h1 {
  color: #ffffff;
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  letter-spacing: 0.5px;
}

.header-buttons {
  position: absolute;
  top: 50%;
  right: 2rem;
  transform: translateY(-50%);
  display: flex;
  gap: 1rem;
  z-index: 3;
}

.logout-button {
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border-radius: 25px;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  border: 2px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.logout-button {
  background: linear-gradient(135deg, #ef5350, #f44336);
  color: white;
}

.logout-button:hover {
  background: linear-gradient(135deg, #d32f2f, #c62828);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(244, 67, 54, 0.4);
}

/* Enhanced Navigation */
nav {
  top: 100px; 
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding-top: 2rem;
  padding-bottom: 1.5rem;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 0 1rem;
}

nav a {
  text-decoration: none;
  color: #2e7d32;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  transition: all 0.3s ease;
  background: rgba(76, 175, 80, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.2);
  font-size: 0.9rem;
}

nav a:hover {
  background: linear-gradient(135deg, #4caf50, #66bb6a);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

nav a.active {
  background: var(--secondary-green);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(76, 175, 80, 0.3);
  border-color: var(--accent-green);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0;
}

.brand h1 {
  margin: 0;
  font-size: 2.5rem;
  color: #fff;
}

.site-logo {
  height: 50px;
  width: auto;
  display: inline-block;
  vertical-align: middle;
  margin-right: 15px;
}

/* Main Content Container */
.main-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.page-hero {
  text-align: center;
  margin-bottom: 4rem;
  padding: 2rem 0;
}

.page-hero h1 {
  font-size: 3rem;
  color: var(--primary-green);
  margin-bottom: 1rem;
  font-weight: 700;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.page-hero p {
  font-size: 1.2rem;
  color: var(--text-medium);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

/* Enhanced Grid Layout */
main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 2.5rem;
  margin: 0;
  padding: 0;
}

/* Footer */
footer {
  background: linear-gradient(135deg, #4caf50, #66bb6a);
  color: #ffffff;
  text-align: center;
  padding: 1.5rem;
  font-weight: 500;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

footer p {
  color: #ffffff;
}

/* Enhanced Sections */
section {
  background: var(--bg-primary, #ffffff);
  padding: 2.5rem;
  border-radius: var(--border-radius-large);
  box-shadow: 0 10px 30px var(--shadow-medium, rgba(0, 0, 0, 0.15));
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(76, 175, 80, 0.1);
}

section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--secondary-green),
    var(--accent-green)
  );
}

section:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px var(--shadow-dark);
}

section h2 {
  color: var(--primary-green, #2e7d32);
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

section h3 {
  color: var(--text-primary, #333);
  font-size: 1.3rem;
  font-weight: 600;
  margin: 1.5rem 0 1rem;
  padding-left: 1rem;
  border-left: 3px solid var(--accent-green);
  background: var(--light-green);
  padding: 1rem;
  border-radius: var(--border-radius);
}

/* Enhanced Lists - FIXED HOVER ISSUE */
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

section ul li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  background: rgba(139, 252, 139, 0.3);
  /* Fix text color for both themes */
  color: var(--text-primary, #343232);
}

/* FIXED: Proper hover states that maintain text visibility */
section ul li:hover {
  background: var(--light-green);
  transform: translateX(8px);
  /* Ensure text stays visible on hover in both themes */
  color: var(--text-primary, #333);
  /* color: #456545; */
}

/* Dark theme specific fixes */
[data-theme="dark"] section ul li {
  background: rgba(11, 80, 14, 0.1);
  /* color: var(--text-primary, #344134); */
  color: #6b8f67;
}

[data-theme="dark"] section ul li:hover {
  background: rgba(76, 175, 80, 0.2);
  /* color: var(--text-primary, #434443); */
  color: black
}

section ul li::before {
  content: "✓";
  color: var(--secondary-green);
  font-weight: bold;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(76, 175, 80, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  margin-top: 0.1rem;
}

section strong {
  color: var(--primary-green);
  font-weight: 600;
}

/* Special Sections */
#principles {
  background: linear-gradient(135deg, #f8fff8 0%, #f0f8f0 100%);
  border: 2px solid var(--accent-green);
}

#step-by-step {
  grid-column: 1 / -1;
}

#case-study {
  background: linear-gradient(135deg, #fff8e1 0%, #fffbf0 100%);
  border: 2px solid #ffb74d;
}

#case-study::before {
  background: linear-gradient(90deg, #ff9800, #f57c00);
}

#learning-media {
  background: linear-gradient(135deg, #e3f2fd 0%, #f0f8ff 100%);
  border: 2px solid #64b5f6;
}

#learning-media::before {
  background: linear-gradient(90deg, #2196f3, #1976d2);
}

/* Crop Details Enhancement - FIXED HOVER ISSUE */
#crop-details {
  grid-column: 1 / -1;
}

.crop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.crop-item {
  background: rgba(255, 255, 255, 0.8);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--secondary-green);
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  /* Ensure text is visible in both themes */
  color: var(--text-primary, #333);
}

/* FIXED: Crop item hover states */
.crop-item:hover {
  background: var(--bg-primary, #ffffff);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
  /* Maintain text visibility on hover */
  color: var(--text-primary, #333);
}

/* Dark theme specific crop item fixes */
[data-theme="dark"] .crop-item {
  background: var(--bg-secondary, rgba(255, 255, 255, 0.1));
  color: var(--text-primary, #e0e0e0);
}

[data-theme="dark"] .crop-item:hover {
  background: var(--bg-primary, rgba(255, 255, 255, 0.15));
  color: var(--text-primary, #e0e0e0);
}

.crop-item h3 {
  background: none;
  padding: 0;
  border: none;
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
  /* Ensure heading text is visible */
  color: var(--text-primary, #333);
}

/* Dark theme crop item heading fix */
[data-theme="dark"] .crop-item h3 {
  color: var(--text-primary, #e0e0e0);
}

p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
  color: var(--text-secondary, #666);
}

/* FIXED: Ensure all text in crop items remains visible */
.crop-item p,
.crop-item li {
  color: var(--text-secondary, #666);
  transition: color 0.3s ease;
}

.crop-item:hover p,
.crop-item:hover li {
  color: var(--text-secondary, #666);
}

/* Dark theme text fixes for crop items */
[data-theme="dark"] .crop-item p,
[data-theme="dark"] .crop-item li {
  color: var(--text-secondary, #b0b0b0);
}

[data-theme="dark"] .crop-item:hover p,
[data-theme="dark"] .crop-item:hover li {
  color: var(--text-secondary, #b0b0b0);
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  header h1 {
    font-size: 2rem;
  }

  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  .page-hero h1 {
    font-size: 2.2rem;
  }

  .page-hero p {
    font-size: 1.1rem;
  }

  main {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  section {
    padding: 1.5rem;
  }

  .main-wrapper {
    padding: 2rem 1rem;
  }

  #step-by-step,
  #crop-details {
    grid-column: 1;
  }
}

@media (max-width: 480px) {
  header h1 {
    font-size: 1.6rem;
  }

  .page-hero h1 {
    font-size: 1.8rem;
  }

  section {
    padding: 1rem;
  }

  .main-wrapper {
    padding: 1.5rem 0.5rem;
  }
}

/* Loading Animations */
.animate-in {
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

section:nth-child(1) {
  animation-delay: 0.1s;
}
section:nth-child(2) {
  animation-delay: 0.2s;
}
section:nth-child(3) {
  animation-delay: 0.3s;
}
section:nth-child(4) {
  animation-delay: 0.4s;
}
section:nth-child(5) {
  animation-delay: 0.5s;
}
section:nth-child(6) {
  animation-delay: 0.6s;
}

/* Scroll Indicator */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(76, 175, 80, 0.2);
  z-index: 1000;
}

.scroll-progress {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--secondary-green),
    var(--accent-green)
  );
  width: 0%;
  transition: width 0.1s ease;
}
/* Floating Chatbot Button */
#chatbotBtn {
  position: fixed;
  bottom: 100px; /* 20px above scroll-to-top button */
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #4caf50; /* greenish theme */
  color: #fff;
  font-size: 28px;
  text-align: center;
  line-height: 60px;
  border-radius: 50%;
  box-shadow: 0 6px 18px rgba(0,0,0,0.3);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  z-index: 1100; /* above scroll-to-top button */
}

#chatbotBtn:hover {
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 8px 22px rgba(0,0,0,0.35);
  background-color: #43a047; /* slightly darker green on hover */
}

/* Mobile responsiveness: hide on very small screens */
@media (max-width: 400px) {
  #chatbotBtn {
    display: none;
  }
}