body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #f3f4f6; /* gray-100 */
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.form-container {
    max-width: 500px;
    margin: 0 auto;
    padding: 32px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 16px;
}

.form-container h1 {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 24px;
}

.form-container label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-container input[type="text"],
.form-container input[type="email"],
.form-container input[type="password"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #d1d5db; /* gray-300 */
    border-radius: 4px;
    box-sizing: border-box;
}

.btn {
    width: 100%;
    padding: 12px 20px;
    background: #3b82f6; /* blue-500 */
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}
.btn:hover {
    background: #2563eb; /* blue-600 */
}

.alert {
    padding: 16px;
    margin-bottom: 16px;
    border-radius: 4px;
    font-size: 0.875rem;
}

.alert-danger {
    background-color: #fee2e2; /* red-100 */
    border: 1px solid #fecaca; /* red-200 */
    color: #b91c1c; /* red-800 */
}

.alert-success {
    background-color: #dcfce7; /* green-100 */
    border: 1px solid #bbf7d0; /* green-200 */
    color: #166534; /* green-800 */
}

.alert-info {
    background-color: #dbeafe; /* blue-100 */
    border: 1px solid #bfdbfe; /* blue-200 */
    color: #1e40af; /* blue-800 */
}

.links {
    margin-top: 24px;
    text-align: center;
    font-size: 0.875rem;
    color: #6b7280; /* gray-500 */
}
.links a {
    color: #3b82f6; /* blue-500 */
    text-decoration: none;
    margin: 0 8px;
}
.links a:hover {
    text-decoration: underline;
}