/* Root Variables for Modern Styling */
:root {
  --primary-color: #6366f1;
  --primary-hover: #4f46e5;
  --bg-color: #ffffff;
  --text-color: #1f2937;
  --input-bg: #f9fafb;
  --input-border: #d1d5db;
  --card-bg: #ffffff;
  --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body.dark-mode {
  --bg-color: #111827;
  --text-color: #f9fafb;
  --input-bg: #1f2937;
  --input-border: #374151;
  --card-bg: #1f2937;
  --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Inter', -apple-system, sans-serif;
  margin: 0;
  padding: 0;
  transition: background-color 0.3s ease, color 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

nav {
  width: 100%;
  display: flex;
  justify-content: flex-end;
  padding: 1rem;
}

main {
  width: 100%;
  max-width: 600px;
  padding: 2rem;
  box-sizing: border-box;
}

/* Form Styles */
#partnership-form {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--card-shadow);
  margin-top: 2rem;
}

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

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

input, textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--input-border);
  border-radius: 0.5rem;
  background-color: var(--input-bg);
  color: var(--text-color);
  font-size: 1rem;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.submit-button {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

.submit-button:hover {
  background-color: var(--primary-hover);
}

#theme-toggle {
  background: none;
  border: 1px solid var(--input-border);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  cursor: pointer;
}