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

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

.auth-wrapper {
    width: 100%;
    max-width: 520px;
}

.auth-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 50px 45px;
}

.auth-header {
    text-align: center;
    margin-bottom: 40px;
}

.auth-logo {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: white;
    font-weight: bold;
}

.auth-title {
    font-size: 32px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 10px;
}

.auth-subtitle {
    color: #718096;
    font-size: 16px;
}

.form-label {
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 10px;
    font-size: 16px;
    display: block;
}

.form-control {
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 14px 18px;
    font-size: 16px;
    transition: all 0.3s ease;
    width: 100%;
}

    .form-control:focus {
        border-color: #667eea;
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        outline: none;
    }

    .form-control::placeholder {
        color: #a0aec0;
    }

.mb-3 {
    margin-bottom: 20px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 10px;
    padding: 16px;
    font-size: 18px;
    font-weight: 600;
    width: 100%;
    margin-top: 15px;
    color: white;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
    }

.auth-footer {
    text-align: center;
    margin-top: 30px;
    color: #718096;
    font-size: 16px;
}

    .auth-footer a {
        color: #667eea;
        text-decoration: none;
        font-weight: 600;
    }

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

.validation-summary-errors {
    background: #fff5f5;
    border: 1px solid #fc8181;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    color: #c53030;
    font-size: 15px;
}

    .validation-summary-errors ul {
        margin: 0;
        padding-left: 20px;
    }

.text-danger {
    color: #c53030;
    font-size: 14px;
    display: block;
    margin-top: 6px;
}

.password-requirements {
    background: #f7fafc;
    border-radius: 8px;
    padding: 15px;
    margin-top: 20px;
    font-size: 15px;
    color: #4a5568;
}

    .password-requirements strong {
        font-size: 16px;
    }

    .password-requirements ul {
        margin: 10px 0 0 0;
        padding-left: 20px;
    }

    .password-requirements li {
        margin-bottom: 6px;
        line-height: 1.5;
    }