/* CSS Variables for Light Mode */
:root {
  --bg-color: #f4f4f4;
  --text-color: #333;
  --primary: #007acc;
  --primary-hover:#e0f0ff;
  --secondary: #f4f4f4;
  --card-bg: #fff;
  --nav-bg: #007acc;
  --footer-bg: #333;
  --button-bg: #ccc;
  --button-hover: #2a2a2a;
  --button-hover-text: #1a1a1a;
  --border-light: #ccc;
  --button-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  --card-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* Dark Mode Override */
.dark-mode {
  --bg-color: #121212;
  --text-color: #f4f4f4;
  --primary: #89CFF0;                /* Soft blue for accents/links */
  --primary-hover: #1e3a56;          /* Slightly darker blue */
  --secondary: #1e1e1e;              /* For skill tags or secondary blocks */
  --card-bg: #1e1e1e;
  --nav-bg: #1a1a1a;
  --footer-bg: #1a1a1a;
  --button-bg: #1a1a1a;
  --button-hover: #333333;
  --button-hover-text: #89CFF0;
  --border-light: #444;              /* Slight border contrast */
  --button-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
  --card-shadow: 0 2px 5px rgba(0, 0, 0, 0.6);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  padding: 20px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: all 0.3s ease-in-out;
}

h1 {
  font-size: 2rem; /* Or adjust to your design */
  margin-bottom: 20px; /* Add spacing below */
  color: var(--primary);
  border-bottom: 2px solid var(--border-light);
  padding-bottom: 10px;
}

p {   
  font-size: 1rem;
  line-height: 1.6;
}

a {
  color: var(--primary);
  text-decoration: none;
  margin: 2px;
}

a:hover {
  text-decoration: underline;
}

:focus-visible{
  outline: 2px dashed var(--primary);
  outline-offset: 3px;
}

/* Navbar */
.navbar {
  background-color: var(--nav-bg);
  padding: 15px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.navbar a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  cursor: pointer;
}

.navbar a.active {
  border-bottom: 2px solid white;
}

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 20px;
}

/* Card */
.card {
  background-color: var(--card-bg);
  color: var(--text-color);
  padding: 20px;
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  max-width: 600px;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
  transition: all 0.3s ease-in-out;
}

/* Skills */
.skills {
  margin-top: 20px;
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.skill-tag {
  background-color: var(--button-bg);
  padding: 8px 12px;
  border-radius: 5px;
  font-weight: bold;
}

/* Extra Info Toggle */
#extra-info {
  margin-top: 15px;
}

/* Projects */
#projectSearch {
  padding: 10px 14px;
  font-size: 1rem;
  margin: 20px 0;
  width: 100%;
  border-radius: 6px;
  border: 1px solid var(--border-light);
  background-color: var(--secondary);
  color: var(--text-color);
}

#projectSearch:focus-visible {
  outline: 2px dashed var(--primary);
  outline-offset: 3px;
}

.projects-section {
  margin-top: 40px;
  padding: 20px;
}

.projects-section h2 {
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border-light);
  padding-bottom: 10px;
}

.projects-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.project-card {
  background-color: var(--card-bg);
  color: var(--text-color);
  padding: 20px;
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  width: 300px;
  flex: 1 1 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.project-card p {
  margin-bottom: 10px;
  line-height: 1.4;
}

.project-card .btn {
  display: inline-block;
  background-color: var(--button-bg);
  color: var(--text-color);
  padding: 8px 16px;
  margin-right: 10px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.project-card .btn:hover {
  background-color: var(--button-hover);
  color: var(--button-hover-text);
}

.project-status {
  font-weight: bold;
  padding: 5px 10px;
  border-radius: 4px;
  margin-top: 10px;
  display: inline-block;
}

.project-status.in-progress {
  background-color: #fff3cd;
  color: #856404;
}

.project-status.planned {
  background-color: #e2e3e5;
  color: #6c757d;
}

/* Cybersecurity Journal */
#cyberSearch {
  padding: 10px 14px;
  font-size: 1rem;
  margin: 20px 0;
  width: 100%;
  border-radius: 6px;
  border: 1px solid var(--border-light);
  background-color: var(--secondary);
  color: var(--text-color);
}

#cyberSearch:focus-visible {
  outline: 2px dashed var(--primary);
  outline-offset: 3px;
}

.cyber-journal {
  margin-top: 40px;
  padding: 20px;
}

.cyber-journal h2 {
  font-size: 1.8rem;
  color: var(--primary);
  border-bottom: 2px solid var(--border-light);
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.cyber-entry {
  background-color: var(--card-bg);
  color: var(--text-color);
  padding: 20px;
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  margin-bottom: 20px;
}

.cyber-entry ul{
  padding: 20px;
}

.badge {
  background-color: #fff3cd;
  color: #856404;
  font-size: 0.85rem;
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: bold;
  display: inline-block;
  margin-bottom: 10px;
  margin-right: 5px;
}

.badge.warning { background-color: #fff3cd; color: #856404; }
.badge.info { background-color: #d1ecf1; color: #0c5460; }
.badge.example { background-color: #f8d7da; color: #721c24; }

.toggle-button {
  margin-top: 10px;
  background-color: var(--button-bg) ;
  color: var(--text-color);
  border: none;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.9rem;
}

/* Recap Block */
.physics-recap {
  margin-top: 40px;
  padding: 20px;
}

.physics-recap h2 {
  font-size: 1.8rem;
  color: var(--primary);
  border-bottom: 2px solid var(--border-light);
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.formula-card {
  background-color: var(--card-bg);
  padding: 20px;
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  color: var(--text-color);
  line-height: 1.6;
}

/* Buttons */
button {
  background-color: var(--button-bg);
  color: var(--text-color);
  border: none;
  padding: 10px 20px;
  margin-right: 10px;
  border-radius: 5px;
  cursor: pointer;
  box-shadow: var(--button-shadow);
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
}

button:hover {
  background-color: var(--button-hover);
  color: var(--button-hover-text);
  transform: translateY(-2px); /* subtle lift effect */
}

button:focus-visible{
  outline: 2px dashed var(--primary);
  outline-offset: 3px;
}

/* Footer */
.footer {
  text-align: center;
  padding: 15px;
  background-color: var(--footer-bg);
  color: white;
}

/* Utilities */
.hidden {
  display: none !important;
}

/* Media Queries */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 10px;
  }

  .main-content {
    padding: 20px 10px;
  }

  button {
    margin-bottom: 10px;
    width: 100%;
  }

  .projects-container {
    flex-direction: column;
    align-items: center;
  }
}