body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    background: #f9f9f9;
    color: #333;
}

header {
    background: #152238;
    color: #fff;
    text-align: center;
    padding: 2rem 1rem 1rem;
}

header nav {
    margin-top: 1rem;
}

header nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 1rem;
    font-weight: bold;
    transition: color 0.2s;
}

header nav a:hover {
    color: #66b2ff;
}

section {
    margin: 2rem auto;
    max-width: 800px;
    padding: 0 1rem;
}

h2 {
    border-bottom: 2px solid #66b2ff;
    padding-bottom: 0.5rem;
    padding-left: 1rem;
    margin-bottom: 1.5rem;
}

.project-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.project-card {
    background: #fff;
    border: 1px solid #ececec;
    border-radius: 8px;
    padding: 1rem;
    flex: 1 1 280px;
    min-width: 260px;
    box-shadow: 1px 2px 8px rgba(60,60,60,0.08);
}

.project-card h3 {
    margin-top: 0;
    color: #2663e0;
}

.project-card a {
    text-decoration: none;
    color: #66b2ff;
    font-weight: bold;
}

.video-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.video-card {
    background: #fff;
    border: 1px solid #ececec;
    border-radius: 8px;
    padding: 1rem;
    flex: 1 1 280px;
    min-width: 260px;
    box-shadow: 1px 2px 8px rgba(60,60,60,0.08);
}

form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

form input, form textarea {
    padding: 0.6rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

form button {
    background: #2663e0;
    color: #fff;
    border: none;
    padding: 0.8rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}

form button:hover {
    background: #174cb2;
}

footer {
    text-align: center;
    padding: 1rem;
    background: #222;
    color: #fff;
    margin-top: 4rem;
}

@media (max-width: 600px) {
    .project-list {
        flex-direction: column;
    }
}

/* All your default/light mode styles first */
body {
  background-color: #ffffff;
  color: #000000;
  font-family: Arial, sans-serif;
}

button {
  background-color: #0000ff;
  color: #ffffff;
}

/* ALL dark mode overrides at the very bottom */
@media (prefers-color-scheme: dark) {
  
  body {
    background-color: #121212;
    color: #ffffff; /* Changed to white for readability */
  }

  button {
    background-color: #7a7c7d;
    color: #000000;
  }

  /* Make project and video cards dark grey */
  .project-card, 
  .video-card {
    background-color: #2c2c2c; /* Dark grey background */
    border-color: #444444;     /* Darker border to match */
  }

  /* Make form inputs dark grey so they aren't blinding white */
  form input, 
  form textarea {
    background-color: #2c2c2c;
    color: #ffffff;
    border-color: #444444;
  }
}