body {
    font-family: 'Inter', system-ui, sans-serif;
    background-color: #f8fafc;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.auth-container {
    background-color: white;
    padding: 2.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 400px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: #1e293b;
}

.auth-header a {
    color: #3b82f6;
    text-decoration: none;
}

.auth-header a:hover {
    text-decoration: underline;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #334155;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.375rem;
    font-size: 1rem;
}

.btn-submit {
    width: 100%;
    background-color: #3b82f6;
    color: white;
    border: none;
    padding: 0.875rem;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-submit:hover {
    background-color: #2563eb;
}

.message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 0.375rem;
    text-align: center;
}

.error {
    background-color: #fef2f2;
    color: #dc2626;
}

.success {
    background-color: #f0fdf4;
    color: #16a34a;
}