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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
}

.container {
  max-width: 800px;
  margin: 0 auto;
}

/* Header Styles */
header {
  text-align: center;
  margin-bottom: 2rem;
  color: white;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

header p {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Navigation */
.nav-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

/* Button Styles */
.btn {
  display: inline-block;
  padding: 12px 24px;
  background: #fff;
  color: #667eea;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-primary {
  background: #4caf50;
  color: white;
  width: 100%;
  padding: 15px;
  font-size: 1.1rem;
}

/* Form Styles */
.form-card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  margin-bottom: 2rem;
}

.form-card h2 {
  margin-bottom: 1.5rem;
  color: #333;
  text-align: center;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #555;
}

input,
textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid #e1e5e9;
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: #667eea;
}

/* Error Styles */
.errors {
  background: #fee;
  border: 1px solid #fcc;
  color: #c33;
  padding: 1rem;
  border-radius: 6px;
  margin-bottom: 1.5rem;
}

.errors ul {
  list-style: none;
}

.errors li {
  margin: 0.25rem 0;
}

/* Submissions Section */
.submissions-section {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.submission-card {
  border: 1px solid #e1e5e9;
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
  background: #f8f9fa;
}

.submission-card:last-child {
  margin-bottom: 0;
}

.submission-card strong {
  color: #333;
}

.submission-card em {
  color: #666;
}

.submission-card p {
  margin: 0.5rem 0;
  color: #555;
}

.submission-card small {
  color: #888;
  font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 10px;
  }

  header h1 {
    font-size: 2rem;
  }

  .nav-links {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 200px;
  }

  .form-card {
    padding: 1.5rem;
  }
}