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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 20px;
    padding: 60px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    max-width: 600px;
    width: 100%;
    text-align: center;
}

h1 {
    font-size: 3em;
    color: #667eea;
    margin-bottom: 15px;
}

.subtitle {
    color: #6b7280;
    font-size: 1.2em;
    margin-bottom: 40px;
}

.nav-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 40px;
}

.nav-button {
    display: block;
    padding: 20px 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.nav-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.nav-button.secondary {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    color: #374151;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.nav-button.secondary:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.description {
    color: #6b7280;
    margin-top: 10px;
    font-size: 0.9em;
}

.icon {
    font-size: 1.5em;
    margin-right: 10px;
}