/* General Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: #f5f7f6;
  color: #1d1d1f;
  line-height: 1.6;
}

/* Header & Navigation */
header {
  background-color: #e6f3ec;
  padding: 24px 20px;
  text-align: center;
  border-bottom: 1px solid #c8e2d4;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: #3d5a4a;
  margin-bottom: 8px;
}

nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

nav a {
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 8px;
  background-color: #ffffff;
  color: #3d5a4a;
  font-weight: 600;
  transition: all 0.2s ease-in-out;
  border: 1px solid #cce3d6;
}

nav a:hover {
  background-color: #3d5a4a;
  color: #ffffff;
}

/* Main Layout */
main {
  padding: 40px 20px;
  max-width: 900px;
  margin: 0 auto;
}

/* Form Container */
.form-container {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

/* Form Styles */
form label {
  display: block;
  margin-top: 16px;
  margin-bottom: 6px;
  font-weight: 600;
  color: #2d3c34;
}

form input,
form select,
form textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  background-color: #fefefe;
}

form input:focus,
form select:focus,
form textarea:focus {
  outline: none;
  border-color: #3d5a4a;
  background-color: #f0f9f4;
}

/* Button */
button {
  margin-top: 20px;
  padding: 10px 20px;
  background-color: #3d5a4a;
  color: white;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease-in-out;
}

button:hover {
  background-color: #2c4535;
}

/* Card for Sightings */
.sighting {
  background: #ffffff;
  border: 1px solid #c8e2d4;
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.sighting img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  border-radius: 8px;
  margin-top: 10px;
  border: 1px solid #ddd;
}

/* Auth Container */
.auth-container {
  max-width: 500px;
  margin: 80px auto;
  padding: 30px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  text-align: center;
}

/* Mobile Responsive */
@media (max-width: 600px) {
  nav {
    flex-direction: column;
    align-items: center;
  }

  button {
    width: 100%;
  }
}