:root {
  --primary-color: #4f46e5;
  --primary-hover: #4338ca;
  --text-color: #1f2937;
  --bg-color: #f3f4f6;
  --white: #ffffff;
  --error: #dc2626;
  --error-bg: #fee2e2;
  --success: #059669;
  --success-bg: #d1fae5;
  --border-color: #d1d5db;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  background-color: var(--bg-color);
  color: var(--text-color);
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  background-color: var(--white);
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1.5rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: all 0.2s;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.nav-link:hover {
  background-color: var(--bg-color);
  color: var(--primary-color);
}

main {
  flex: 1;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.container {
  text-align: center;
  padding: 4rem 2rem;
}

h1, h2 {
  color: var(--text-color);
  margin-bottom: 1rem;
}

.hero-text {
  font-size: 1.25rem;
  color: #4b5563;
  margin-bottom: 2rem;
}

.buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
}

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

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

.button.secondary {
  background-color: var(--white);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.button.secondary:hover {
  background-color: var(--bg-color);
}

.form-container {
  max-width: 400px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: var(--white);
  border-radius: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.dashboard-container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: var(--white);
  border-radius: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.user-info {
  margin-top: 2rem;
  padding: 1.5rem;
  background-color: var(--bg-color);
  border-radius: 0.5rem;
}

.user-info p {
  margin-bottom: 1rem;
}

.user-info span {
  font-weight: 500;
}

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

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

input {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: all 0.2s;
}

input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.error {
  color: var(--error);
  background-color: var(--error-bg);
  padding: 0.75rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.success {
  color: var(--success);
  background-color: var(--success-bg);
  padding: 0.75rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.form-footer {
  margin-top: 1.5rem;
  text-align: center;
}

.form-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.form-link:hover {
  text-decoration: underline;
}